Method for preparing halogenated carboxylic ester by catalysis of ion liquid

The invention discloses a method for preparing halogenated carboxylic acid ester under the catalysis of an ionic liquid. The method comprises the following steps that alcohol and acid with the molar ratio of between 0.9 and 1.1 and an acidic imidazole ionic liquid used as reaction catalyst and solvent are stirred and reacted at a temperature of between 70 and 120 DEG C, under normal pressure for 2 to 8 hours; then, halogenated carboxylic acid ester can be obtained after layering and liquid separation. Moreover, the dose of the ionic liquid accounts for 10 to 50 percent of the total mole number of the alcohol and the acid. Because the ionic liquid adopted by the method has high catalytic activity, excellent selectivity, low price, stable property and uneasy hydrolysis, and can realize automatic phase separation with esterification reaction products and repeated use after simple vacuum dewatering, the method not only can obtain higher conversion rate, but also can greatly reduce the manufacturing ...

Stratified sampling device for water body under ice surface and use method of stratified sampling device

The invention relates to the field of water quality monitoring and water sample collection, and particularly discloses a stratified sampling device for a water body under an ice surface, the stratified sampling device comprises a barrel and a plurality of water taking assemblies, the barrel is hollow, two ends of the barrel are open, the upper end of the barrel is provided with a protruding upper edge, the protruding upper edge is used for fixing the position of the barrel in an environmental water body, and the side wall of the barrel is provided with a straight wall arranged in the axial direction; the water taking assembly is connected with the straight wall and comprises a connecting pipe, a water taking pipe and a drainage pipe, one end of the connecting pipe is connected with the straight wall, a sealing mechanism is arranged at the joint of the connecting pipe and the straight wall, the other end of the connecting pipe is connected with one end of the water taking pipe through a ...

On -vehicle ultrasonic sensor's fixing device

The utility model discloses an on -vehicle ultrasonic sensor's fixing device, including car bumper (1), elasticity decorative cover (2) and support (4), be equipped with mounting hole (11) on car bumper (1), elasticity decorative cover (2) card is established in mounting hole (11), elasticity decorative cover (2) are equipped with through hole (24) just the size of through hole (24) and the sound end phase -match of ultrasonic sensor (3), support (4) are fixed on the medial surface of car bumper (1), just elasticity decorative cover (2) one end card is in in locating hole (44) of support (4), the sound end of ultrasonic sensor (3) passes locating hole (44) are fixed in through hole (24). The utility model provides an on -vehicle ultrasonic sensor's fixing device, it is simple as a result, simple to operate.

Wind tunnel test balance assessment method based on acceleration signal approximate entropies

A wind tunnel test balance assessment method based on acceleration signal approximate entropies mainly includes the steps that a model three-dimensional acceleration sensor, a framework three-dimensional acceleration sensor and a balance three-dimensional acceleration sensor are installed on the inner wall of the top end of an aircraft model, a framework model and a balance respectively; Fourier transformation is carried out on acceleration signals measured out by the three acceleration sensors in different directions, then a frequency spectrum signal is obtained, approximate entropy characteristic values of six frequency bands within 0-300 Hz are calculated out, the difference value between the approximate entropy characteristic values of the acceleration signals in the same direction of the model and the framework is calculated out, and the difference value between the approximate entropy characteristic values of the acceleration signals in the same direction of the model and the balance ...

Connector for marine composite rock wool plate

The invention discloses a connector for a marine composite rock wool plate. The connector comprises a marine composite rock wool plate, wherein the lower part of a vertical marine composite rock wool plate is connected with a vertical marine ceramic tile through a 4-shaped connector, and the 4-shaped connector consists of a vertical plate and an L-shaped plate between which a groove is formed; the lower part of the marine composite rock wool plate is arranged in the groove, and the bottom of the L-shaped plate is provided with a transverse supporting piece; one end of the supporting piece is connected with the marine ceramic tile. After the 4-shaped connector is adopted, the specification of the marine tile can reach any specification of 1000mm multiplied by 1000mm below, the probability of shipyard selection is greatly improved, the colors can be configured based on the actual use needs, and the extension part of the 4-shaped connector can be used to cover the end part of the ceramic tile ...

Semiconductor structure and preparation method thereof

The invention provides a semiconductor structure and a preparation method thereof, and the semiconductor structure comprises a substrate, a germanium virtual substrate layer is formed above the substrate, a germanium-silicon inverse gradual change buffer layer is formed above the germanium virtual substrate layer, a first germanium-silicon limiting layer is formed above the germanium-silicon inverse gradual change buffer layer, and a germanium quantum well layer and a silicon quantum well layer are formed above the first germanium-silicon limiting layer. A second germanium-silicon limiting layer is formed above the germanium quantum well layer and the silicon quantum well layer, and a silicon cap layer is formed above the second germanium-silicon limiting layer. Through the two germanium-silicon limiting layers, two-dimensional electron gas and two-dimensional hole gas are limited in the Si/Ge double-layer superlattice composed of the germanium quantum well layer and the silicon quantum ...

Binary oxide resistance random access memory (RRAM) storage unit of electric pulse induced resistance conversion characteristics

The invention relates to a binary oxide resistance random access memory (RRAM) storage unit of electric pulse induced resistance conversion characteristics. A bottom pole layer, a resistance conversion oxide layer and a top pole layer are sequentially formed on a substrate. The binary oxide RRAM storage unit is characterized in that the resistance conversion oxide layer and the top pole layer form an oxygen storage layer in the interface position to provide the storage and the release of oxygenic ions, and the formed storage unit is in a multilayer film structure. The oxygen storage layer in the storage unit is TiOx, CuxO, WOx, AlOx, TiON or AZO. The resistance conversion characteristics under the condition of pulse induction are realized by the oxygen storage layer under the condition of applying a pulse electric field, thereby achieving the aim of high-speed storage in practical application. The storage unit structure provides the oxygen storage layer for the resistance conversion characteristics ...

Polarizing assembly, display device and terminal device

The invention provides a polarization assembly, a display device and terminal equipment. The polarization assembly is used in the display device, the display device comprises a backlight unit and a polarization assembly which are laminated and arranged at an interval, the polarization assembly comprises a dimming film and a first polaroid which are laminated, the dimming film is used for adjusting light emitted by the backlight unit, and the first polaroid is used for adjusting light emitted by the backlight unit. The first polaroid is arranged on the substrate, light with the polarization direction parallel to the transmission axis of the first polaroid in the light rays is transmitted through the first polaroid, light with the polarization direction perpendicular to the transmission axis is reflected, the single body transmittance of the polarization assembly is larger than or equal to 40%, and the polarization degree of the polarization assembly is 90%-99.8%. The display device formed ...

Construction method of miRNA166o in plant light transcription process

The invention discloses a construction method of miRNA166o in a plant light transcription process, which comprises the following steps: designing a primer according to a miR166o precursor sequence in a populus trichocarpa database, carrying out PCR (Polymerase Chain Reaction) amplification on a miRNA precursor by taking 84K populus tomentosa genome DNA (Deoxyribonucleic Acid) as a template, sequencing to obtain a miR166o precursor sequence in 84K populus tomentosa, connecting the miR166o precursor sequence with an overexpression pEGOEP35S-H vector to construct a miR166o overexpression vector, and carrying out phototranscription on the miR166o in the plant light transcription process. According to the present invention, the structure is scientific and reasonable, the use is safe and convenient, the phenotypes of the CRISPR/Cas9 gene edited transgenic plant and the overexpression transgenic plant tissue culture seedling are observed, the miR166o gene edited transgenic plant and the overexpression ...

Combined tower type grain drying device

The invention discloses a combined tower type grain drying device, and relates to the technical field of grain drying. The grain drying device specifically comprises a grain drying mechanism, the grain drying mechanism comprises a drying part, and the bottom end of the drying part is fixedly connected with a bearing part; the drying part comprises a feeding drying tower and a discharging drying tower, a drying net barrel is arranged in the feeding drying tower, a screw rod is arranged in the drying net barrel, the outer wall of the drying net barrel is sleeved with an electric heating net barrel, and the outer wall of the electric heating net barrel is sleeved with a water condensation unit; and a discharging net cylinder is arranged in the discharging drying tower. According to the combined tower type grain drying device, grain is rapidly dried for the first time through the feeding drying tower, then the grain is dried and cooled for the second time through the discharging drying tower ...

METHOD FOR PACKAGING SEMICONDUCTORS AT A WAFER LEVEL

A method for packaging a plurality of semiconductor devices formed in a s urface portion of a semiconductor wafer. The method includes: lithographical ly forming in a material disposed on the surface portion of the semiconducto r wafer device-exposing openings to exposed the devices and electrical conta cts pads openings to expose electrical contact pads for devices; mounting a rigid dielectric layer over the formed material, such rigid material being s uspended over the device exposing openings in the material and over the elec trical contacts pads openings in the material; and forming electrical contac t pad openings in portions of the rigid dielectric layer disposed over elect rical contact pads of the devices with other portions of the rigid dielectri c layer remaining suspended over the device exposing openings in the materia l.

Application of bisacodyl of central memory T cells in in-vitro amplification

The invention provides an application of bisacodyl of central memory T cells in in-vitro amplification, wherein the concentration of the bisacodyl is 5-40 [mu]M, and preferably is 20 [mu]M. The central memory T cells are CD4<+>T cells. The invention, for the first time, discloses the application of the bisacodyl in cultivation of in-vitro T cells. The method is safe and effective, is low in cost, and provides excellent technical support on wide development of adoptive immunity treatment.

Electronic device

The embodiment of the invention discloses an electronic device which is applied to the field of under-screen camera shooting. The electronic device comprises a display screen, a shielding structure and a camera module, the display screen comprises a target area, the shielding structure is arranged above, below and/or inside the display screen, and the camera module is located below the target area. The shielding structure is used for dividing the target area into at least one light-transmitting area and at least one light-proof area, the shape of the at least one light-transmitting area is a regular shape, and/or the shape of the at least one light-proof area is a regular shape, and the camera module obtains light through the light-transmitting area and is used for generating an image. When the electronic device is applied to the field of under-screen camera shooting, diffraction of light passing through the edge of the light-transmitting area or the light-proof area can be effectively ...

High-condensation photonic crystal fiber

The invention relates to the technical field of optical communication and optical sensing, in particular to a high-condensation photonic crystal fiber, which comprises a fiber core and a cladding, and is characterized in that the fiber core is provided with sub-wavelength air holes with the diameter of 10-95nm; the cladding comprises a plurality of layers of air holes arranged in a hexagon shape in the cross section direction of the optical fiber, and each layer of air holes arranged in the hexagon shape take the sub-wavelength air hole of the fiber core as the axis. According to the high-condensation photonic crystal fiber, light energy is localized in the air micropores of the sub-wavelength scale, the high-condensation photonic crystal fiber has the advantage of low loss of a hollow-core photonic crystal fiber, the problem of relatively low electric field intensity of a large hollow core can be solved, and the high-condensation photonic crystal fiber has the advantages of low loss, high ...

Vibration signal compressing and sampling method

The invention discloses a vibration signal compressing and sampling method, and belongs to the technical field of processing for mechanical vibration signals. The vibration signal compressing and sampling method can effectively solve the problem of an adaptive ability and an online learning ability. The vibration signal compressing and sampling method comprises the steps of first carrying out Nyquist sampling on continuous vibration signals Xc so as to acquire a prior signal Xp of the vibration signals; constructing a sparse transformation matrix Ds of the prior signal Xp by using an online dictionary learning algorithm; then carrying out sparse transformation on the continuous vibration signals Xc so as to acquire a sparse vector Xs, transmitting the sparse vector Xs to a perception matrix so as to carry out perception sampling to acquire a compressed signal Y; and finally, transmitting the compressed vibration signal Y to a reconstruction recovery terminal, carrying out signal reconstruction ...

Transparent RRAM component with zinc oxide based homogeneous structure and manufacture method thereof

The invention relates to a transparent resistance random access memory (RRAM) with a zinc oxide base homogeneous structure and a manufacture method thereof. The memory component is formed by a sandwich structure which is prepared by an electrode layer, a stunt oxide layer and an electrode layer in sequence on a quartz glass substrate, wherein the electrode layer is made of a ZnO base doped transparent conductive film; the stunt oxide layer is made of ZnO or ZnO base doped stunt film. On the premise that transparency of a material is maintained, the conductivity and resistance switching performance of the film material can be controlled through regulating components of the ZnO base film, thereby achieving the aim of stabilizing storage. The best advantage of the storage unit structure is that a homogeneous RRAM storage unit structure with excellent transparency and stable performance can be acquired through doping control based on a low cost film material with the zinc oxide base homogeneous ...

Single-stage type LED drive power supply without electrolytic capacitor

The invention discloses a single-stage type LED drive power supply without an electrolytic capacitor. The single-stage type LED drive power supply without the electrolytic capacitor is an AC/DC converter in essence, and the single-stage type LED drive power supply without the electrolytic capacitor is composed of an input filter rectification circuit, a fly-back primary switch circuit, an auxiliary winding full-bridge bidirectional circuit and a secondary rectification filter circuit. The single-stage type LED drive power supply without the electrolytic capacitor realizes the power factor correction through fixing the duty ratio of a main switch MOS tube Q1 and works in a current discontinuous mode to avoid the reverse recovery of a secondary diode QR; the main circuit thereof is a fly-back converter which is composed of the part 1, part 2 and part 4, an isolating transformer of the fly-back converter is provided with a winding, the auxiliary winding side uses a bidirectional power flow ...

Combined medicine with synergistic action for treating T cell lymphomata and application thereof

The invention relates to a combined medicine with a synergistic action for treating T cell lymphomata. The combined medicine comprises bortezomib and SAHA, wherein the proportion of the bortezomib to the SAHA is 5-10nM:1-2.0 mu M. The invention also provides an application of the combined medicine in preparing a medicine for treating lymphomata diseases, wherein the lymphomata is T cell lymphomata. By using the combined medicine, the synergistic action of the two medicines is exerted, and the growth and the multiplication of T lymphomata cells can be synergically suppressed. By combining the two medicines, the curative effect is enhanced, and the cost can also be greatly lowered.

Service recommendation method and system based on efficient Markov blanket learning mechanism

The invention provides a service recommendation method based on an efficient Markov blanket learning mechanism, which is applied to a service recommendation platform and is characterized by comprising the following steps: S1, acquiring a relationship between two nodes from a data set representing a Bayesian network; s2, acquiring father and son variables of the target variable by using a maximum correlation minimum redundancy (MRMR) method; s3, determining non-father-son variables in combination with the father-son variables in the S2, calculating a mutual information relationship between the nodes and keeping descending sorting; s4, screening out candidate partner variables from non-father-son variables in combination with a result in S3; and S5, identifying real partner nodes from the candidate partner variables according to the properties of the partner variables, thereby improving the efficiency, and obtaining a Markov blanket set of the target variable in combination with the father ...

LED

An LED comprises a substrate, a light-emitting unit and a package material. The substrate is provided with at least one package unit which is formed by two high side walls and two low side walls in a surrounding mode, the light-emitting unit and the package material are arranged in the package unit, the high side walls are located on the left side and the right side of the light-emitting unit respectively, and the low side walls are located on the upper side and the lower side of the light-emitting unit respectively. Accordingly, through design of the low side walls, when the LED is matched with a light guide plate for use, light can be better concentrated, and the light utilization rate is improved.

Grain conveying device for grain drying

The invention discloses a grain conveying device for grain drying, and relates to the technical field of grain processing. The problem of drying efficiency is solved. The device specifically comprises an auger lifting mechanism, a discharging pipe arranged at the bottom of the upper portion of the auger lifting mechanism and a feeding hopper arranged at the top of the lower portion of the auger lifting mechanism, a conical barrel is fixedly installed at the bottom of the discharging pipe, and the same scattering mechanism is arranged in the conical barrel and the discharging pipe; the scattering mechanism comprises a scattering shaft and scattering blades, the scattering blades are fixedly installed on the side wall of the scattering shaft, and the top of the scattering shaft is connected with a first motor used for driving the scattering shaft to rotate through a coupler. By arranging the scattering mechanism, the scattering mechanism can apply rotary motion to grains when the grains freely ...

Floral water for preventing mosquito bite

The invention discloses floral water for preventing mosquito bite. The floral water comprises the following components in parts by weight: 20 to 30 parts of Chinese herbal medicines, 80 to 90 parts of pure water; 0.5 to 1 part of deet, 30 to 35 parts of edible alcohol, 1 to 2 parts of olive oil, 2 to 3 parts of sanitizer, and 0.2 to 0.5 part of dipotassium glycyrrhizinate. The floral water has the beneficial effects that the ingredients, namely, sanitizer and Chinese herbal medicines, are added and show effective effects on sanitizing and soothing skin suffering from mosquito bite; in addition, the Chinese herbal medicines can also inhibit cutaneous pruritus, and therefore, the floral water has a good use effect, and small skin irritation, and can effectively prevent mosquito bite.

Fault-tolerant low-power-consumption dispatching method applicable to numerical control system

The invention relates to the real-time dispatching of tasks in the field of a real-time system, in particular to a fault-tolerant low-power-consumption dispatching method applicable to a numerical control system. The method comprises the steps: before a task set is dispatched, calculating the quantity OCi of optimal checking points of a task Ti, wherein the distance between two checking points is Fi and the utilization rate of the task set is Utot after the checking points are inserted; calculating the operational speed Stemp of the tasks at the off-line state; calculating the executing time of the task Ti under the speed Stemp and ranking the task set according to the earliest deadline priority principle; when a task is finished, recycling the idle time STH (Ti, t) of the task and calculating the operational speed of the task by using the idle time STH (Ti, t). With adoption of the fault-tolerant low-power-consumption dispatching method, the idle time of the system is utilized sufficiently ...

Polysaccharide plant genome DNA extraction method

The invention relates to a polysaccharide plant genome DNA extraction method and a kit using the polysaccharide plant genome DNA extraction method. According to the polysaccharide plant genome DNA extraction method, two buffer solution systems are used; the first buffer solution system comprises GuSCN and an acid buffer system of the GuSCN; the second buffer solution system comprises PVP and a buffer solution system comprising SLS; through the adoption of the buffer solution systems, DNA can be effectively and sufficiently extracted and separated from polysaccharide, and coprecipitation of the polysaccharide and the DNA is avoided.

Unmanned aerial vehicle cluster target pre-detection identification method based on multiple spatial-temporal scales

The invention discloses an unmanned aerial vehicle cluster target pre-detection identification method based on multiple time-space scales, and the method comprises the steps: obtaining target echo data, and transmitting the target echo data to a multi-time scale system; setting sliding window parameters of the multi-time scale constant false alarm rate detection method, and detecting different types of targets in target windows under three time scales; respectively setting judgment thresholds of three algorithms, namely a two-parameter constant false alarm algorithm, a short-time statistics two-parameter constant false alarm algorithm and a long-time statistics two-parameter constant false alarm algorithm, and judging a detection result; joint judgment is carried out on judgment results of the three, and echo data in a detection window are preliminarily identified and distinguished; performing matching search on the preliminarily detected target and a preset multi-space type database by ...

Fruit tree branch fixing device

The invention provides a fruit tree branch fixing device, belongs to the technical field of agricultural planting, and solves the technical problem that an existing device is poor in stability. The fruit tree branch fixing device comprises two bottom frames, lifting mechanisms are fixed to the upper sides of the bottom frames, fixing assemblies are arranged on the upper sides of the lifting mechanisms, inserting columns are slidably connected to the bottom frames, limiting plates are fixed to the upper ends of the inserting columns, cavities are formed in the inserting columns, and threaded rods are rotationally connected into the cavities. The upper end of the threaded rod extends out of the inserting column and is fixedly provided with a polygonal rotary knob, the threaded rod is in threaded connection with a plurality of threaded sleeves, the periphery of each threaded sleeve is rotationally connected with a driving rod through a first connecting base, the other end of each driving rod ...

CLOUD-END DATA MULTICAST METHOD AND SYSTEM, AND COMPUTER DEVICE

A cloud-end data multicast method includes: obtaining a multicast packet, the multicast packet carrying a tenant identifier, a destination address, and a source address; and searching for a multicast group according to the tenant identifier and the destination address. The multicast group includes multicast members. The method also includes obtaining routes corresponding to the multicast members; generating a routing tree according to the routes corresponding to multicast members; and obtaining member addresses corresponding to the multicast members. The method also includes obtaining an address list containing addresses of target members that are identified to receive the multicast packet by performing address filtering according to the source address and the member addresses; encapsulating the multicast packet; and delivering the encapsulated multicast packet to the target members according to the address list and the routing tree. 1. A cloud-end data multicast method , comprising:obtaining a multicast packet, the multicast packet carrying a tenant identifier, a destination address, and a source address;searching for a multicast group according to the tenant identifier and the destination address, the multicast group comprising multicast members;obtaining routes corresponding to the multicast members;generating a routing tree according to the routes corresponding to the multicast members;obtaining member addresses corresponding to the multicast members;obtaining an address list containing addresses of target members that are identified to receive the multicast packet by performing address filtering according to the source address and the member addresses;encapsulating the multicast packet to obtain an encapsulated multicast packet; anddelivering the encapsulated multicast packet to the target members according to the address list and the routing tree.2. The method according to claim 1 , wherein the obtaining routes corresponding to the multicast members and ...

ANTIREFLECTION LAMINATE AND METHOD OF MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide an antireflection laminate, having improved scratch resistance in addition to sufficient anti-reflection performance and anti-staining properties and a method of manufacturing the same. SOLUTION: The antireflection laminate includes a transparent base material and a low-refractive index layer formed on one surface of the transparent base material and containing zeolite, wherein the particle diameter of the zeolite is 5 to 200 nm, crystallinity of zeolite is ≥0.64, the content of the zeolite is 5 to 95%, and the refractive index of the low refractive index layer is 1.20 to 1.40. COPYRIGHT: (C)2009,JPO&INPIT ...

Method for packaging semiconductors at a wafer level

Display device with partial optical structure

The invention relates to a display device with a partial optical structure. The display device with the partial optical structure comprises a light guide plate, a light-emitting unit, multiple light diffusion microstructures and a display panel. The light guide plate is provided with a light receiving surface and a light transmitting surface, wherein a strong light area and a weak light area are distributed on the light transmitting surface, the light-emitting unit is arranged corresponding to the light receiving surface, the multiple light diffusion microstructures are arranged corresponding to the strong light area, and the display panel is arranged corresponding to the light receiving surface. The display device with the partial optical structure can enhance the uniformity of light rays and reduce the adverse impact of a bright band and a dark band on optical quality.

Polarization grating device and liquid crystal display

The invention provides a polarization grating device which comprises a lens assembly, a polarization grating assembly and a phase control assembly which are sequentially stacked. The lens assembly comprises a first base material and a plurality of lenses fixed to the same surface of the first base material, and the lens assembly is used for receiving backlight; each lens is used for guiding part of the backlight to the polarization grating assembly; the polarization grating assembly is used for converting the backlight into left-handed circularly polarized light and right-handed circularly polarized light and then emitting the left-handed circularly polarized light and the right-handed circularly polarized light; and the phase control assembly is used for receiving the left-hand circularly polarized light and the right-hand circularly polarized light and converting the left-hand circularly polarized light and the right-hand circularly polarized light into light source light to be emitted ...

Absolute angle measurement device and method

The invention discloses an absolute angle measurement device and method. The device comprises a laser, an annular diffraction optical waveguide grating coded disc and a light intensity sensor. The diffraction optical waveguide grating coded disc moves along a straight line or rotates around a rotating shaft located in the diffraction optical waveguide grating coded disc; a plurality of incident coupling gratings are arranged on the circular diffraction optical waveguide grating coded disc; the laser is arranged on one side of the diffraction optical waveguide grating coded disc and is positioned right above one incident coupling grating, so that a laser beam emitted by the laser irradiates the incident coupling grating; the light intensity sensor is arranged above the diffracted optical waveguide grating coded disc, acquires light emitted from the upper surface of the diffracted optical waveguide grating coded disc and outputs an electric signal; wherein the size of the electric signal ...

Anti-blocking discharging mechanism of grain dryer

The invention discloses an anti-blocking discharging mechanism of a grain drying machine, and relates to the technical field of discharging mechanisms. The blockage in the discharging process is avoided; comprising a first discharging pipe, a driving part and an impurity cleaning part, an arc-shaped pipe is welded to the outer wall of the top of the first discharging pipe, and the impurity cleaning part comprises filter screens which are fixed to the inner walls of the two sides of the first discharging pipe and are integrally arranged in an inclined mode; and the moving plate is movably connected to the inner wall of a sliding groove formed in one side wall of the discharging pipe, and a limiting block matched with the hole formed in the first discharging pipe is fixed to the outer wall of one side of the moving plate. According to the grain screening device, impurities in grains can be effectively filtered and intercepted by arranging the filter screen, and the movable plate is arranged ...

Zn-doped indium tin oxide powder and preparation method thereof

The invention discloses Zn-doped indium tin oxide powder and a preparation method thereof, and the preparation method comprises the following steps: dissolving an indium compound, a tin compound and a zinc compound in deionized water, and dropwise adding an alkaline solution to obtain a precursor precipitate; and centrifuging, washing and drying the precursor precipitate, then transferring the precursor precipitate into a muffle furnace, and carrying out heat preservation at 550-700 DEG C for 1-3 hours to obtain the light yellow Zn-doped ITO powder. In the Zn-doped ITO powder, the mass ratio of (indium oxide + zinc oxide) to (tin oxide) is 9: 1, the Zn-doped ITO powder is cubic-phase indium oxide, and the particle size of the powder is 20-100 nm. According to the ITO powder prepared by the method disclosed by the invention, the In content is reduced, and the electrical property is improved.

Medicine for treating chronic nonspecific ulcerative colitis and preparation method thereof

The invention relates to a medicine for treating chronic nonspecific ulcerative colitis and a preparation method thereof, which pertain to the field of traditional Chinese medicines; the medicine is prepared from crude drugs with the following parts by weight: 840 to 870 parts of Chinese pulsatilla root, 410 to 440 parts of parslane herb, 410 to 440 parts of amur corktree bark, 100 to 130 parts of costustoot, 270 to 300 parts of radix salviae miltiorrhizae and 70 to 100 parts of cutch. The medicine can significantly improve the symptoms of rats with ulcerative colitis repair mucous membrane of colon, with fast and strong effect.

Preparation method and application of particle-reinforced titanium-based composite powder

The invention belongs to the technical field of surface coatings, and particularly relates to a preparation method and application of particle-reinforced titanium-based composite powder, the particle-reinforced titanium-based composite powder is obtained by mixing, granulating, curing, crushing and spheroidizing a titanium-based material and ceramic reinforced phase powder, the titanium-based material comprises one or two of pure titanium and titanium alloy, and the ceramic reinforced phase powder comprises one or more of TiC, TiB2, Ti (CN), CBN, PCD, SiC, diamond, novel amorphous carbon, La2O3, CeO2 and Y2O3. The prepared particle-reinforced titanium-based composite powder is high in sphericity degree and uniform in strengthening phase distribution, so that a compact coating can be formed on the surface of a tool matrix during laser cladding, the hardness, corrosion resistance, wear resistance and sharpness of a product are improved, and the particle-reinforced titanium-based composite ...

Wind tunnel test balance assessment method based on acceleration signal energy

A wind tunnel test balance assessment method based on acceleration signal energy mainly includes the steps that a model three-dimensional acceleration sensor, a framework three-dimensional acceleration sensor and a balance three-dimensional acceleration sensor are installed on the inner wall of the top end of an aircraft model, a framework model and a balance respectively; Fourier transformation is carried out on acceleration signals measured out by the three acceleration sensors in different directions, then a frequency spectrum signal is obtained, energy normalization characteristic values of six frequency bands within 0-300 Hz are calculated out, the difference value between the energy normalization characteristic values of the acceleration signals in the same direction of the model and the framework is calculated out, and the difference value between the energy normalization characteristic values of the acceleration signals in the same direction of the model and the balance is calculated ...

Method for improving global average height measurement precision based on multilayer feedforward neural network weighting

A method for improving global average altimetry precision based on multi-layer feed-forward neural network weighting comprises the steps that the influence of constellation configuration on GNSS-R altimetry capacity is determined, a multi-layer feed-forward neural network weighting prediction model is constructed and verified, and finally satellite-borne GNSS-R altimetry capacity prediction is conducted through the model. According to the method, the problem that satellite-borne GNSS-R height measurement capability evaluation is complex under different simulation conditions is solved, and the calculation efficiency of height measurement precision is remarkably improved.

Deadline constraint imprecise hybrid key system scheduling feasibility analysis method

The invention discloses a deadline constraint imprecise hybrid key system scheduling feasibility analysis method, which comprises the following steps of: determining a system mode conversion strategy according to a deadline constraint imprecise hybrid key task scheduling model; obtaining a sufficient condition that the low-mode scheduling of the imprecise hybrid key system is feasible; according to a first preset formula or a second preset formula, determining a processor demand of the low-key-level operation, and then calculating a processor demand of the low-key-level task tau i in a high mode; according to a third preset formula, determining a processor demand of the high-key-level operation, and then calculating a processor demand of the high-key-level task tau j in a high mode; according to the relation between the length of the task interval and the processor requirement of the imprecise hybrid key task set gamma in the high mode, the sufficient condition that the imprecise hybrid ...

Ray scattering imaging system based on aperture coding technique

The invention relates to a ray scattering imaging system based on an aperture coding technique. The ray scattering imaging system comprises a ray source, a front collimator, an array detector, an aperture coding mask, a signal processor, a controller and a moving device, wherein the front collimator is arranged between the ray source and a detected object, is static relative to the ray source and is used for collimating rays of the ray source into a ray beam; the intersecting line between the central normal surface of the array detector and the ray beam is a scanning line; the aperture coding mask is a one-dimensional aperture coding mask, is formed by the arraying of a plurality of coding units, is arranged between the array detector and the detected object and is static relative to the array detector; the signal processor is used for converting analog signals obtained by the array detector into digital signals; the controller is used for recombining and decoding the digital signals to ...

Switching power supply based on UC3842

The utility model discloses a switching power supply based on UC3842, include: UC3842, transformer T1, a plurality of electric capacity, a plurality of resistance, a plurality of diode, opto -coupler U2 and TL431, wherein, the alternating current is the power supply of three return circuit through fuse FU1 and wave filter connection rectifier bridge, rectifier bridge output DC voltage, wherein, the first loop charges for electric capacity C8 through starting resistance R1 for rectifier bridge output DC voltage, and C8 is UC3842's VCC end power supply just very, the second return circuit is passed through starting resistance R1 and is held the power supply through resistance R4 and catching diode D7 for transformer T1's 5 for rectifier bridge output DC voltage, the DC voltage is exported after resistance -capacitance filter circuit and backward diode D5 establish ties for the rectifier bridge to the tertiary circuit to the antithetical couplet is at transformer T1's 2, 3 ends. Utilize the ...

Multi-element alloy oxide film material with forbidden bandwidth continuously adjustable and preparation thereof

The invention discloses a multi-metal-oxide film material with the band gap continuously adjustable and a fabrication method thereof. The invention is characterized in that the film material has a formula Zn1-x-yBexMgyO; wherein x and y are molar fractions; x is more than or equal to 0 and less than or equal to 1; y is more than or equal to 0 and less than or equal to 1; the total of x plus y is more than or equal to 0 and less than or equal to 1; and the structure of the crystalloid is a hexagonal wurtzite structure. The band gap can be continuously adjusted within the range of 3.3-10.8eV by adjusting the contents of Be and Mg in the film material while maintaining the single hexagonal wurtzite not to have phase disengagement. Compared with a BeZnO alloy film system, the multi-metal-oxide film material is of low lattice mismatch rate and higher crystallization quality. The multi-metal-oxide(Zn, Be,Mg,O) film material is of wide application prospect in the field of shortwave optoelectronic ...

Cool and refreshing floral water for relieving itching

The invention discloses cool and refreshing floral water for relieving itching. The floral water comprises the following ingredients in parts by weight: 90-95 parts of distilled water, 2-4 parts of mint, 0.1-0.3 part of antioxidant, 10-15 parts of alcohol, 8-15 parts of clove oil, 0.2-0.4 part of rotenone, 0.3-0.6 part of methyl salicylate, 10-20 parts of perfume and 5-8 parts of cetostearyl alcohol. The cool and refreshing floral water has the beneficial effects that the proportioning of the ingredients is scientific and reasonable; when smeared on skin, the cool and refreshing floral water has little irritation and good effects of cooling and refreshing and relieving itching; in addition, due to the application of perfume and cetostearyl alcohol, the skin is more comfortable.

Application of ampicillin in in-vitro amplification of central memory T cells

The invention provides an application of ampicillin in the in-vitro amplification of central memory T cells. The concentration of ampicillin is in a range of 5-40 [mu]M, the optimal concentration is 20 [mu]M, and the central memory T cells are CD4+ T cells. The invention discloses the application of ampicillin in the in-vitro T cell culture for the first time, the method is safe and effective, the cost is low, and good technical support is provided for the wide application of adoptive immunotherapy.

Preparation process and preparation system of gliclazide intermediate amino heterocyclic hydrochloride

The invention discloses a preparation process and a preparation system of gliclazide intermediate amino heterocyclic hydrochloride. The preparation process comprises the following steps: firstly, carrying out primary reduction reaction, reduced pressure distillation, alkali distillation, extraction and acid pickling on the product amino heterocyclic hydrochloride to obtain azacyclo hydrochloride; n-heterocyclic hydrochloride is subjected to a nitrosation reaction and a secondary reduction reaction to obtain an amino heterocyclic hydrochloride crude product, then extraction, drying, standing, salinization, centrifugation, drying and other steps are performed for purification, and finally the refined amino heterocyclic hydrochloride is obtained. Through the design of the centrifugal drying mechanism, the centrifugal and drying functions are integrated, compared with the traditional technology that a centrifugal machine and a vacuum drying machine need to be combined for machining treatment ...

APPLICATIONS OF SOLUBLE PROTEIN BAFF IN B CELL IN-VITRO CULTURE AND PROLIFERATION

Disclosed in the present invention is an application of soluble protein BAFF in B cell in-vitro culture and proliferation. Peptide expressed by secretory BAFF peptide in the present invention can be effectively secreted out of cells to generate corresponding bioactivity. During the process of culture, a cell line in the present invention can continuously secrete water-soluble BAFF protein having bioactivity, the water-soluble BAFF protein served as tool cells are co-cultured with B cells, and in-vitro proliferation and antigen presentation effects of human B cells can be effectively improved.

Face cover with filter nasal obstruction

The utility model relates to a shade field of foul air's protection face specifically is a face cover with filter nasal obstruction. A face cover with filter nasal obstruction, includes nose cup (1), characterized by: still press from both sides (3) including nasal obstruction (2) and face, nose cup (1) comprises two blocks curb plate (11) and one bottom plate (12), and two blocks curb plate (11) are congruent triangle -shaped, and two blocks curb plate (11) respectively use a side to be the amalgamation of public limit, and bottom plate (12) are triangle -shaped, two sides of bottom plate (12) respectively with the base amalgamation of two blocks curb plate (11), two nasal obstructions (2) are all fixed perpendicularily on the internal surface of nose cup (1) bottom plate (12), another side of nose cup (1) two block curb plate (11) is rotationally connected the face respectively and is pressed from both sides (3), and the face presss from both sides (3) and is the arc, and the afterbody ...

Device and method for measuring precision and friction force of rolling linear guide rail pair

The invention discloses a device and method for measuring the precision and the friction force of a rolling linear guide rail pair. The device is mainly composed of a lathe bed part, a worktable part, a driving part and a measuring part and is characterized in that a motor drives a pin gear to move on a rack in the direction of a lathe bed so that the worktable can be driven, a laser displacement sensor and a force sensor installed on a worktable measuring frame are used for measuring parameters of all positions of the measured guide rail pair supported by a supporting mechanism, relevant data are obtained through analysis, and thus the precision and the friction force of the measured guide rail pair are analyzed. According to the device and method for measuring the precision and the friction force of the rolling linear guide rail pair, loading force does not exist, the driving force is small, rolling linear guide rail pairs of the 35 mm type and the 45 mm type within 3 m can be measured ...

Salient image target detection method

The invention provides a salient image target detection method for overcoming the defect of color contrast prior and boundary prior single feature in salient image target detection. The salient image target detection method comprises the following steps: according to a formula that S is equal to (Sc+Sb)*exp(O), adding a saliency map Sc formed by detecting the image according to color contrast prior feature to a saliency map Sb formed by detecting the image according to boundary prior feature, and the sum is multiply an exponential function of Objectness feature of the entire image to generate final saliency map S. According to the salient image target detection method, complementarity between color contrast prior feature and boundary prior feature and the inhibiting effect of complete target Objectness feature are sufficiently considered, and salient target is effectively extracted.

Elevator car roof maintenance lighting system

One end of a toggle switch is connected with a positive pole of a working power supply, and the other end of the toggle switch is used for being connected with an inlet end of a delay turn-off switch or connected with one end of a wire; the outlet end of the delay turn-off switch is connected with the positive end of the lighting device; the other end of the connecting wire is connected with the lighting device positive end; the negative end of the lighting device is connected with a working power supply; the human body sensor outputs a human signal to the control end of the delay turn-off switch when detecting that a person is in the elevator car roof, and outputs an unmanned signal to the control end of the delay turn-off switch when detecting that no person is in the elevator car roof; when the control end of the delay turn-off switch receives a human signal, the inlet end and the outlet end of the delay turn-off switch are immediately connected; when the control end receives an unmanned ...

Graphene intelligent electric heating towel rack and use method thereof

The invention belongs to the technical field of electric heating towel racks, and particularly relates to a graphene intelligent electric heating towel rack and a using method thereof. Comprising a plurality of towel brackets which are arranged between the front sides of two side plates and are uniformly distributed at intervals along the length direction of the side plates; the supporting seat is arranged on the front side of the side plate; the first guide rod is arranged on the supporting seat; the hollow panel is arranged between the two first guide rods in a sliding mode, and the hollow panel is located between every two towel supports; the temperature controller is arranged on the right side of the bottom of the hollow panel; the graphene heating film is arranged in the hollow panel and is connected with the temperature controller through a connecting wire; the input end of the temperature controller is electrically connected with the temperature sensor, and the temperature sensor ...

Heat extraction of heavily pollute sealing factory building ventilation structure of gathering dust

The utility model provides a heat extraction of heavily pollute sealing factory building ventilation structure of gathering dust, factory building mechanism is totally closed, and roof structure includes left roof (1), right roof (4) and is located sink formula roof (2) between the left and right roof, and the position of blast furnace is corresponding with the position of sink formula roof (2), and the left side trough is corresponding with the position of left roof (1), and the right side trough is corresponding with the position of right roof (4), sink formula roof (2) on seted up a plurality of vents (3), through the roof fan to discharge from vent (3) in the heat, left and right roof (1, 4) on left and right side trough upper portion for control hot flue gas below left and right roof, set up roof cover (5) on the left and right roof, be convenient for discharge hot flue gas. This structure can effectively reduce the post temperature of factory building to do effective entrapment to ...

Application of cefonicid sodium in in-vitro amplification of central memory T cells

The invention provides an application of cefonicid sodium in the in-vitro amplification of central memory T cells. The concentration of cefonicid sodium is in a range of 5-40 [mu]M, the optimal concentration is 20 [mu]M, and the central memory T cells are CD4+ T cells. The invention discloses the application of cefonicid sodium in the in-vitro T cell culture for the first time, the method is safe and effective, the cost is low, and good technical support is provided for the wide application of adoptive immunotherapy.

Method for shaping micro lens by means of infiltration etching

The invention discloses a method for shaping a micro lens by means of infiltration etching. The method comprises the following steps: evaporating a sacrificial layer on the surface of a substrate material, coating the surface of the sacrificial layer with a photoresist, determining the position of the micro lens on the surface of the substrate, removing the photoresist outside the aperture range of the micro lens by adopting a photoetching method if the micro lens is arranged in a non-tight way, perforating within a transverse range of certain micrometers in the bottommost position of the micro lens if the micro lens is arranged tightly, and removing the photoresist in the perforation range; removing the sacrificial layer exposed after the photoresist is removed by using auxiliary etchant, mixing main etchant with the auxiliary etchant in a certain ratio, placing a structure from which the sacrificial layer and the photoresist are removed into mixed liquid for corroding, taking an element ...

Detect monitor of aquatic aniline concentration

The utility model discloses a detect monitor of aquatic aniline concentration, its structure includes control panel, a display screen, the aircraft bonnet shell, the support column, the bolt, the connecting plate, the post rotates, the control electric wire, the clip board, monitoring devices, the detecting tube, the check lock lever, a pedestal, control panel imbeds in the positive surface of aircraft bonnet shell, the back of display screen and the laminating of the main schedule facial features of aircraft bonnet shell, the bottom of support column is come nestedly mutually with the base through the check lock lever, the bolt embedding is installed in the inside of support column, the connecting plate is laminated with the both ends of controlling of rotating the post mutually, the control electric wire is connected through the electricity with monitoring devices, the detecting tube is nested with clip board mutually perpendicular, the utility model relates to a detect monitor of aquatic ...

Semiconductor device and preparation method

According to the semiconductor device and the preparation method thereof provided by the invention, in the semiconductor device, the content of a first graded component in a first buffer layer is gradually increased in a first direction, so that lattice mismatch is gradually reduced; meanwhile, the content of the first slowly-changing component in the second buffer layer is gradually reduced in the first direction, so that tensile stress is provided for the subsequently-grown epitaxial layer, the surface roughness of the buffer lamination layer is further reduced, dislocation accommodation is achieved through combination of the first buffer layer and the second buffer layer, and most of dislocation and defects are limited in the buffer lamination layer. By growing the buffer lamination layer on the substrate, higher relaxation and lower surface roughness can be obtained, and a basis is provided for forming a high-quality epitaxial layer for a semiconductor device.

Amplitude-interleaving analog digital composite signal processing circuit

The invention belongs to the technical field of integrated circuits and particularly relates to an amplitude-interleaving analog digital composite signal processing circuit. The circuit at least comprises sampling capacitors and front-end switch arrays, wherein the sampling capacitors are directly proportional to the channel number; and the circuit further comprises a foldable multi-input operational amplifier and an analog signal channel selector judged based on the high-impedance state. The amplitude-interleaving technology realizes the signal storage exceeding the power supply voltage according to the difference charging and discharging principle of the passive device and records the information of partial signals in the form of figures, so that the purpose of simplifying the design index of the operational amplifier is achieved, and the difficult problem of design of the low supply voltage analog circuit in the advanced process is relieved.

Replaceable temperature controller of electric heating towel rack and use method of replaceable temperature controller

The invention belongs to the technical field of electric heating towel racks, and particularly relates to a replaceable temperature controller of an electric heating towel rack and a use method of the replaceable temperature controller. Comprising a hollow panel; the temperature controller body is arranged on the right side of the bottom of the hollow panel; the graphene heating film is arranged in the hollow panel and is connected with the temperature controller body through a connecting wire; the plug is connected with the temperature controller body through an electric wire; and the control system is electrically connected with the input end of the temperature controller body, and the control system is fixedly connected with one of the graphene heating films. Wherein the output end of the temperature controller body is provided with a connector, the input end of the connecting line penetrates through and extends out of the connector, the outer diameter of the connector is provided with ...

Continuous drying device for grain processing

The invention discloses a continuous drying device for grain processing, and relates to the technical field of grain continuous drying devices. Comprising a first mounting frame, a first charging barrel is rotatably mounted on the inner wall of the top of the first mounting frame, and a first impeller is arranged on the first charging barrel; a second charging barrel is rotatably mounted on the inner wall of the top of the second mounting frame, one end of the second charging barrel is detachably mounted at one end of the first charging barrel, and a second impeller is arranged on the second charging barrel. According to the grain drying device, the first impeller of a special structure and the conveying channel are arranged and matched with the first drying rod, during drying, grains are added into the feeding hopper, the grains can move and be output in the spiral conveying channel based on rotation of the first charging barrel, and due to the fact that the distance between the conveying ...

Adjustable surveying and mapping damping type supporting device for surveying and mapping engineering

The invention discloses an adjustable surveying and mapping damping type supporting device for surveying and mapping engineering, and belongs to the technical field of surveying and mapping engineering. Comprising a hemispherical shell and further comprises a first supporting plate fixedly connected to the surface of the hemispherical shell, a first sliding groove is formed in the surface of the first supporting plate, an adjusting plate is slidably connected into the first sliding groove, and a supporting seat is fixedly connected to the surface of the adjusting plate; the supporting legs are fixedly connected to the outer wall of the hemispherical shell; the first rotating column is rotationally connected to the surface of the adjusting plate, a pawl is fixedly connected to the outer wall of the first rotating column, and a torsional spring is fixedly connected between the first rotating column and the adjusting plate; the first rotating disc is rotationally connected to the surface of ...

Detector and detecting system

The invention provides a detector and a detecting system. The detector comprises a plurality of unit crystals arrayed in a matrix mode, and the unit crystals generate visible light after absorbing gamma rays; a position sensitive photomultiplier coupled with a crystal array is used for converting the visible light received by all areas of all the unit crystals into electric signals, and the electric signals are used in a data processing unit for counting the number of gamma ray absorbing cases distributed on all the unit crystals and analyzing the amplitude of the electric signals to achieve energy spectrum measurement of the gamma rays. People only need to adopt one position sensitive photomultiplier, and the detector is simple in structure and high in detecting efficiency.

Small diesel engine real-time smoke exhaust pipe state detection system based on thermal imaging

According to the thermal-imaging-based real-time state detection system for the smoke exhaust pipe of the small diesel engine, the temperature of the smoke exhaust pipe of a generator set in a given visual angle during working can be determined through the infrared module, a corresponding gray level image is obtained, data are processed, and therefore abnormal units can be rapidly checked, reports can be timely arranged, and results can be timely fed back; and the leakage detection of the smoke exhaust pipe is completed. The system not only can realize real-time detection of the state of the smoke exhaust pipe of the unattended small-sized generator set and feed back the operation state of the small-sized generator set according to the state, but also is high in detection speed and avoids deterioration of leakage conditions compared with a traditional method, so that workers can maintain equipment in time, and the maintenance cost is reduced. The system can also be applied to operation ...

Preparation method and applications of biomass modified TiO2 visible light photocatalyst

The invention discloses a biomass modified TiO2 visible light photocatalyst. A preparation method of the biomass modified TiO2 visible light photocatalyst comprises the following steps: hydrolyzing titanium alkoxide to obtain sol, adding biomass in the sol and stirring, drying the sol to obtain gel, and calcining the gel. According to the preparation method, the reaction conditions are moderate and easy to control, raw materials are easily available, the synthesis process is simple, industrialized production is achieved easily, the prepared biomass modified TiO2 visible light photocatalyst has the performance of photocatalytically degrading organic substances by visible light and can be used for photocatalytically treating organic pollutants in air, soil and wastewater.

ANTIREFLECTION LAMINATED BODY

PROBLEM TO BE SOLVED: To provide an antireflection laminated body having improved scratch resistance while having sufficient antireflection performance and antifouling property, and also to provide a polarizing plate and an image display device using the same. SOLUTION: In the antireflection laminated body, in which at least a low refractive index layer is laminated at least on one surface of a transparent substrate, the low refractive index layer has a two layer structure composed of a low refractive index lower layer and a low refractive index upper layer. The reflectivity is reduced by the low refractive index lower layer, the surface of the low refractive index lower layer is made smooth by the low refractive index upper layer, and the scratch resistance is enhanced. Both the low reflectivity and the scratch resistance are improved by allowing the low refractive index layer to have the two layer structure. In the antireflection laminated body, the refractive index of the low refractive ...

Distributed cross-boundary service recommendation method and system based on variational reasoning

The invention provides a variational reasoning-based distributed cross-boundary service recommendation method, which comprises the following steps of: S1, training a local reasoning model by using local data of a user, and acquiring service preference distribution of the user in a source field; s2, acquiring local model comparison loss based on comparison learning; s3, inputting the user-service preference distribution output by the inference model into a local generation model, reconstructing service interaction data of the user in a target domain, and further obtaining reconstruction loss; s4, performing local model optimization by combining the comparison loss obtained in the S2 and the reconstruction loss obtained in the S3; and S5, the users upload local model parameters to a central server for model aggregation to obtain a global model, and the server issues the global model to each user for iterative updating until the model converges. According to the method, cross-boundary service ...

Intelligent fire evacuation guiding system based on multi-information-source fusion

The invention discloses an intelligent fire evacuation guiding system based on multi-information-source fusion, and the system comprises a monitoring and positioning unit which collects the fire condition, emergency exit data and personnel position information; the evacuation guiding unit gives out fire early warning according to the data output by the monitoring and positioning unit, gives an alarm signal to indoor and outdoor personnel, plans an evacuation escape track according to the occurrence condition of a fire, updates an optimal escape route in real time, and feeds back the updated optimal escape route data to the server side. Trapped persons are guided to be evacuated quickly and safely; and the self-rescue help-seeking unit receives data of the server side and transmits the position, the environment and the body condition of the person to fire rescue personnel when all escape routes are damaged, and the evacuation guiding unit or the server side guides the trapped person to carry ...

Hydraulic heightening type machine head and tail traction portion of scraper conveyer

The invention relates to a hydraulic heightening type machine head and tail traction portion of a scraper conveyer. The hydraulic heightening type machine head and tail traction portion is used for the underground coal mine scraper conveyer, and adapts to the different discharge heights of the machine head and machine tail of the scraper conveyer to meet the needs of the mine party due to a high-low cobbly roadway. The hydraulic heightening type machine head and tail traction portion is structurally characterized in that the bottoms of the machine head and the machine tail of the scraper conveyer are connected with an upper hinge seat through locating pins and bolts, the upper hinge seat is hinged to a lower hinge seat through a pin, the lower hinge seat is connected with a hydraulic oil cylinder through a pin, the hydraulic oil cylinder is connected with a traction seat through a pin, and therefore the complete hydraulic heightening type machine head and tail traction portion of the scraper ...

Anti-collision ternary lithium battery shell with honeycomb-like structure

The invention discloses an anti-collision ternary lithium battery shell with a honeycomb-like structure, and relates to the technical field of battery shells, the anti-collision ternary lithium battery shell comprises an outer shell body and a shell cover, the shell cover is arranged above the outer shell body, the outer shell body is of an integrated structure with an inner layer and an outer layer, and fixing pieces are fixedly connected to the outer walls of the two sides of the outer shell body and the shell cover; the inner wall of the outer shell is uniformly and fixedly connected with slotted plates, positioning holes are formed in the upper end surfaces of the slotted plates, sliding blocks are arranged in the slotted plates, and the bracket and the outer shell are matched for use, so that the ternary lithium battery can be freely lifted and moved out when being mounted, and an independent mounting space higher than the upper end surface of the outer shell is formed; according to ...

Method for preparing halogenated carboxylic ester by catalysis of ion liquid

The invention discloses a method for preparing halogenated carboxylic acid ester under the catalysis of an ionic liquid. The method comprises the following steps that alcohol and acid with the molar ratio of between 0.9 and 1.1 and a Br phi nsted acidic imidazole ionic liquid used as reaction catalyst and solvent are stirred and reacted at a temperature of between 70 and 120 DEG C, under normal pressure for 2 to 8 hours; then, halogenated carboxylic acid ester can be obtained after layering and liquid separation. Moreover, the dose of the ionic liquid accounts for 10 to 50 percent of the total mole number of the alcohol and the acid. Because the ionic liquid adopted by the method has high catalytic activity, excellent selectivity, low price, stable property and uneasy hydrolysis, and can realize automatic phase separation with esterification reaction products and repeated use after simple vacuum dewatering, the method not only can obtain higher conversion rate, but also can greatly reduce ...

Application of butyl hydroxy anisd in in-vitro amplification of central memory T cells

The invention provides an application of butyl hydroxy anisd in the in-vitro amplification of central memory T cells. The concentration of butyl hydroxy anisd is in a range of 5-40 [mu]M, the optimal concentration is 20 [mu]M, and the central memory T cells are CD4+ T cells. The invention discloses the application of butyl hydroxy anisd in the in-vitro T cell culture for the first time, the method is safe and effective, the cost is low, and good technical support is provided for the wide application of adoptive immunotherapy.

Mobile precision measurement method and device based on material surface texture features

The invention discloses a mobile precision measurement method and device based on material surface texture features, and the method comprises the steps: outputting a displacement parameter of a rotating shaft in real time through a low-resolution image sensor, carrying out the speed judgment based on the displacement parameter, and after a high-resolution clear imaging speed is reached, carrying out the speed judgment; the high-resolution image sensor starts to shoot the rotating shaft to obtain a high-resolution image; extracting an area to be analyzed from the high-resolution image; calculating the invariant moment of the to-be-analyzed region and the space coordinates of the region feature points on the high-resolution image; and comparing the spatial coordinates with pre-stored position data to obtain deviation values of the regional feature points, and correcting the deviation values to obtain absolute position parameters of the regional feature points. Natural textures formed on the ...

A protection energy -absorbing device for collision avoidance pier

The utility model relates to a safeguard field of pier specifically is a protection energy -absorbing device for collision avoidance pier. A protection energy -absorbing device for collision avoidance pier, includes rail guard (1), characterized by: the cross section of rail guard (1) is star, rail guard (1) by at least 8 crashproof angle (11) in proper order end -to -end connection constitute, the cross section of crashproof angle (11) the angular form that two line segments are connected with common summit of serving as reasons, the top of crashproof angle (11) cross section is outside pier (10), the bottom of crashproof angle (11) cross section connects gradually, packs the energy -absorbing between rail guard (1) and pier (10) and expects (2). The beneficial effects of the utility model are that: simple structure, the construction of being convenient for, protection nature is good.

Power unit fault diagnosis method and diagnosis instrument

The invention discloses a power unit fault diagnosis method and a diagnosis instrument. The diagnosis method comprises the following steps: S1, obtaining an actual measurement signal of vibration collected from a power unit end; s2, performing comparative analysis on the waveform curve of the actual measurement signal and waveform curve data of different fault signals in a fault signal library, and performing judgment to obtain curve similarity data; s3, fault information matched with the actually measured signals is obtained through the curve similarity data, the fault information matched with the actually measured signals of the power unit can be rapidly obtained through the power unit fault diagnosis method, so that the target of guiding subsequent fault removal is achieved, the problem that new technicians are insufficient in experience is rapidly solved, and the fault diagnosis efficiency of the power unit is improved. And the working level and efficiency are greatly improved.

Mutual locking device of multiple detachable units

The invention discloses a cup and cover locking device which comprises a first assembly, a second assembly and a third assembly. The first assembly is provided with a shell, and the shell is concavely provided with a concave area matched with the installation of the second assembly; the third assembly is hinged to or detachably installed on the second assembly. The device is characterized by further comprising a power assembly, a first push rod and a second push rod; the second assembly is provided with a push type locking mechanism used for locking the second assembly and the third assembly. The first push rod penetrates into the concave area from the interior of the shell and locks the first assembly and the second assembly, and the second push rod penetrates into the concave area from the interior of the shell and drives the push type locking mechanism to lock the second assembly and the third assembly. And the first push rod and the second push rod are uniformly driven by a power assembly ...

System and method for using multiple sensor calibration methods

The present invention relates to a system and method for improving glucose sensor accuracy by utilizing multiple calibration methods and selecting the most accurate method depending on a consensus glucose concentration estimate. Embodiments of the present invention comprise the steps of performing at least one in vivo update of surrounding glucose to acquire glucose values; calculating multiple updated calibration estimates using the updated glucose values; calculating an initial consensus glucose estimate from sensor output using each updated calibration estimate; applying a smooth crossover function to the multiple calibration estimates based on the value of the initial consensus glucose estimate; and adding weights to the multiple calibration estimates to acquire a consensus glucose estimate.

Preparation method of functional gradient performance coil

The invention provides a preparation method of a functional gradient performance coil and belongs to the technical field of rapidly freezing powder metallurgy superalloys. According to the preparation method provided by the invention, powders with different particle sizes are adopted at different parts of a turbine disk to carry out direct hot isostatic pressing formation, and a coil after heat treatment acquires gradient grain structures with different grain sizes along the radial direction and has different gradient performances along the radial direction. With the adoption of the preparation method, a hub is strong in the tensile strength and excellent in the low-cycle fatigue performance, the mechanical property between the hub and a rim is good in transition, the rim has strong durability and strong creep resistance, and the requirements of the functional gradient performance coil are satisfied.

Nickel-based powder superalloy with high tensile strength

The invention discloses nickel-based powder superalloy with high tensile strength and belongs to the technical field of powder superalloy. The nickel-based powder superalloy comprises the following chemical components by mass percent: 0.03-0.07% of C, 16.0-17.5% of Co, 8.5-10.5% of Cr, 5.8-6.2% of W, 4.0-4.5% of Mo, 4.8-5.3% of Al, 1.6-2.0% of Ti, 2.4-2.8% of Nb, 0.1-0.4% of Hf, less than 0.02% of B, less than 0.02% of Zr, less than 0.01% of Mg, less than 0.01% of Ce and the balance of Ni. The nickel-based powder superalloy has the advantages that the tensile strength and high temperature lasting life of the nickel-based powder superalloy are superior to those of FGH97 alloy.

Hand-barring device and elevator comprising same

The invention relates to a hand-barring device (100) which comprises a handwheel (1), a worm (2), a worm gear (3) and a support (4) and is characterized in that the worm gear (3) is installed in the support (4), the hand-barring device (100) further comprises at least one transmission pillars (5) and at least one corresponding transmission hole (51), the transmission pillars (5) are connected with the worm gear (3), the transmission holes (5) are correspondingly distributed on a rotary wheel (300) to be driven by the hand-barring device (100), and the hand-barring device (100) can drive the rotary wheel to rotate by inserting the transmission pillars (5) into the corresponding transmission holes (51) and fixing the support (4) on a machine frame (200). The hand-barring device is simple in structure, low in cost, detachable, and capable of realizing self-locking and high torque. The invention further relates to an elevator comprising the hand-barring device.

Solar air source heat pump

A solar air source heat pump belongs to the field of environment-friendly heat supply, aims to solve the problem of sufficient heating of a solar heat pump, and comprises a first solar heat accumulator, an air source evaporator, a gas-liquid separator, a condenser, a hot water supply tank, a second solar heat accumulator, a first photosensitive reversing valve and a solar heat collection plate. A low-temperature side heat outlet of the first plate heat exchanger communicates with two pipelines; the pipeline is connected with a first inlet of the second solar heat accumulator, a first outlet of the second solar heat accumulator is communicated with a first inlet of the condenser through a pipeline, a first outlet of the condenser is communicated with a second inlet of the second solar heat accumulator through a pipeline, and a second outlet of the second solar heat accumulator is communicated with the hot water supply tank through a pipeline. The solar heat pump has the advantages that the ...

Rotary electric heating towel rack and use method thereof

The invention belongs to the technical field of towel racks, and particularly relates to a rotary electric heating towel rack which comprises a fixed shaft, a storage rod and an electric heating wire. The fixing shaft is used for fixing the electric heating towel rack; the storage rod is used for hanging towels; the electric heating wire is electrified to generate heat; the storage rods are arranged in the length direction of the fixing shaft, each storage rod is rotationally arranged on the fixing shaft in a sleeving mode and is perpendicular to the fixing shaft, the storage rods and the fixing shaft are hollow, the electric heating wires extend into the storage rods from the fixing shaft, limiting structures are arranged between the fixing shaft and the storage rods, and the limiting structures are used for limiting the rotation range of the storage rods. According to the towel rack disclosed by the invention, the object placing rods are rotationally arranged on the fixed shaft in a sleeving ...

Method for producing dexmedetomidine hydrochloride

The invention relates to a preparation method of dexmedetomidine hydrochloride, which comprises the following steps of: splitting S-configuration dexmedetomidine dextrotartrate from dexmedetomidine tartrate at one time by using dextrotartaric acid or levotartaric acid as a splitting reagent and water as a splitting solvent, and then replacing the S-configuration dexmedetomidine dextrotartrate into hydrochloride. The method not only simplifies the process and greatly reduces the use amount of the organic solvent, but also does not need to use the organic solvent in the mother liquor recovery process, thereby providing the dexmedetomidine tartrate with high purity, high yield, reduced use amount of the organic solvent and capability of recovering the mother liquor.

Grain drying air supply device with flow control function

The invention discloses a grain drying and air supplying device with a flow control function, and relates to the technical field of grain drying and air supplying. The drying efficiency is improved; the device specifically comprises an outer barrel, a fan assembly and an air supply part, the air supply part comprises an adjusting barrel fixed to one end of the outer barrel, and a conical pipe is embedded into the inner wall of a through hole formed in the outer wall of one side of the adjusting barrel; the heating cylinder is connected to one end of the conical pipe through threads; and the connecting column is movably connected to the inner wall of a through hole formed in the inner surface of the heating cylinder. The conical pipe is arranged to be of a conical structure, so that when air moves to the head end of the conical pipe from the tail end of the conical pipe, the opening of the conical pipe is gradually reduced, and therefore the effect of increasing the air velocity can be achieved ...

Phosphogypsum-based backfill material and preparation method thereof

The invention discloses a phosphogypsum-based backfill material, which is prepared from the following raw materials in parts by weight: 0.2 to 0.8 part of water, 0.01 to 0.3 part of cement, 0.01 to 0.6 part of fly ash, 0 to 0.6 part of stone powder, 0 to 3 parts of sand and 0 to 5 parts of stone. And 1 part of any one or a combination of two or more of ardealite, modified ardealite and modified ardealite powder. And (0-0.5) parts of any one of basalt fiber, graphite and steel fiber. According to the method, the solid waste phosphogypsum-based material and the stone powder are utilized, so that the resource utilization rate is increased, the underground space, especially water pollution, is reduced, and the backfill detection cost is saved; the ardealite is utilized, so that the strength and the durability are improved, and cracking is avoided.

Radiation source positioning and imaging device

The invention discloses a radiation source positioning and imaging device. The radiation source positioning and imaging device comprises a detector and a holder. The detector comprises an orientating assembly and an imaging assembly, wherein the orientating assembly has a 4pi stereoscopic visual angle and judges the direction of a radiation source preliminarily, and the imaging assembly has a conical visual angle and positions the radiation source accurately in an image mode. According to the radiation source positioning and imaging device, the orientating assembly and the imaging assembly are adopted at the same time, the orientating assembly has the 4pi stereoscopic visual angle basically, and therefore the radiation source in an unknown environment can be quickly positioned; imaging is carried out through the imaging assembly, and therefore the radiation source in the environment can be effectively, conveniently and quickly positioned and imaged.

Gesture recognition method and system based on depth camera and contour extraction

The invention belongs to the technical field of optical information processing, computer vision and the like, and particularly relates to a gesture recognition method and system based on a depth camera and contour extraction, and the method comprises the steps: obtaining gesture point cloud data; preprocessing the gesture point cloud data by using a gesture point cloud data processing algorithm; performing principal component analysis and contour extraction on the preprocessed gesture point cloud data to obtain compressed gesture point cloud data; the processed gesture point cloud data is divided into a plurality of data sets, the data sets are trained and tested through a gesture point cloud data recognition algorithm, a gesture recognition model is obtained through training, gesture point cloud data are input into the gesture recognition model, gesture category information is output, and a gesture recognition result is obtained through testing. The method greatly improves the processing ...

Shooting control method and system for camera outside vehicle

The invention relates to an out-vehicle camera shooting control method which comprises the following steps: triggering an out-vehicle camera to enter a shooting mode and triggering an in-vehicle camera to enter a monitoring mode through a preset starting mode; extracting single-frame images in a monitoring video collected by a camera in the vehicle in real time, obtaining a human body two-dimensional landmark of each single-frame image, and generating displacement information of each single-frame image relative to the human body two-dimensional landmark of the previous single-frame image; according to the human body two-dimensional landmark and displacement information of the current single-frame image, drawing a current posture point cloud state diagram of the user, and identifying a current head action and a current eye action; acquiring a current head deflection angle according to the current head action to drive an outside-vehicle camera to rotate from an initial shooting angle; the ...

Interference source positioning method and device and computer readable medium

The present disclosure provides an interference source positioning method, comprising: determining first path loss distribution data according to uplink interference data, the first path loss distribution data representing path loss distribution conditions of a plurality of first cells interfered by an interference signal relative to an interference source of the interference signal; and matching the first path loss distribution data with second path loss distribution data of a plurality of geographic grids in a target area, and determining a geographic position of the interference source, the second path loss distribution data representing path loss distribution conditions of a plurality of second cells corresponding to the geographic grids relative to the geographic grids. The invention further provides an interference source positioning device and a computer readable medium.

METHOD FOR PRODUCING COMPOUND SEMICONDUCTOR THIN FILM AND SOLAR CELL INCLUDING COMPOUND SEMICONDUCTOR THIN FILM

A method includes the steps of performing a coating or printing of ink for producing a compound semiconductor thin film so as to form a compound semiconductor coating film, the ink including 50% by mass or more of amorphous compound nanoparticles, mechanically applying a pressure to the compound semiconductor coating film, and subjecting the compound semiconductor coating film to a heat-treatment to form a compound semiconductor thin film. 1. A method for producing a compound semiconductor thin film , comprising:performing a coating or printing of ink for producing a compound semiconductor thin film so as to form a compound semiconductor coating film, the ink including compound nanoparticles, the compound nanoparticles containing 50% by mass or more of amorphous compound nanoparticles;mechanically applying a pressure to the compound semiconductor coating film; andsubjecting the compound semiconductor coating film to a heat-treatment to form a compound semiconductor thin film.2. The method for producing a compound semiconductor thin film according to claim 1 , wherein the pressure in the mechanically applying a pressure to the compound semiconductor coating film is 0.1 MPa or more and 25 MPa or less claim 1 , a temperature in the applying a pressure is 25° C. or higher and 550° C. or lower claim 1 , and a heat-treatment temperature in the subjecting the compound semiconductor coating film to a heat-treatment is 200° C. or higher and 550° C. or lower.3. The method for producing a compound semiconductor thin film according to claim 1 , wherein the surface roughness Ra of the compound semiconductor thin film is adjusted to 100 nm or less by mechanically applying a pressure to the compound semiconductor coating film.4. The method for producing a compound semiconductor thin film according to claim 1 , wherein the compound nanoparticles include elements of at least two groups selected from the group consisting of group IB elements claim 1 , group IIIB elements claim 1 , ...

Ink for manufacturing compound semiconductor film, compound semiconductor film made from the ink, solar cell provided with compound semiconductor film and manufacturing method of solar cell

Preparation of temperature sensitive acidic ionic liquid and method of using the same in catalyzing alcoholic acid esterification

The invention discloses preparation of temperature sensitive acidic ionic liquid and a method of using the same in catalyzing alcoholic acid esterification reaction. A general formula (I) represents the structure of the temperature sensitive acidic ionic liquid which is formed by benzothiazole cations and sulfonic acid radical anions. The invention is mainly characterized in that the ionic liquidis in a solid state at room temperature, can be dissolved in polar solvent such as water, alcohol and the like and cannot be dissolved in low-polar or non-polar solvent such as ester, ether and the like; and particularly the solubility of the ionic liquid in alcohol is very sensitive to temperature, the ionic liquid is hardly dissolved in alcoholic solvent at low temperature and can be rapidly dissolved in the alcoholic solvent after temperature is increased, crystals are precipitated after cooling and the solubility of the ionic liquid is very sensitive to temperature. The method of using the ionic ...

Wind tunnel test balance assessment method based on strain signal energy

A wind tunnel test balance assessment method based on strain signal energy mainly includes the steps that a model three-dimensional strain gauge, a framework three-dimensional strain gauge and a balance three-dimensional strain gauge are installed on the inner wall of the top end of an aircraft model, a model framework and a balance respectively; Fourier transformation is carried out on strain signals measured out by the three strain gauges in different directions, then a frequency spectrum signal is obtained, energy normalization characteristic values of six frequency bands within 0-300 Hz are calculated out, the difference value between the energy normalization characteristic values of the strain signals in the same direction of the model and the framework is calculated out, and the difference value between the energy normalization characteristic values of the strain signals in the same direction of the model and the balance is calculated out; when the two difference values between the ...

Rotary type dryer

The utility model relates to a have ventilation equipment's drying chamber field, specifically be a rotary type dryer. A rotary type dryer, includes frame (1), characterized by: still include bearing (21), pivot (22), dry in the air clothing circle (31), clothes peg (32), drive mechanism (4) and motor (5), one bearing (21) are respectively established at the middle part of base (11) and the middle part of horizontal pole (12), the upper portion of pivot (22) and lower part are overlapped respectively and are established in the inner circle of two bearing (21), drying in the air clothing circle (31) along at least two of the axial fixity of pivot (22) in the middle part of pivot (22), is equipped with on dry in the air clothing circle (31) clothes peg (32), the output shaft of drive mechanism (4) connection motors (5) is passed through to the one end of pivot (22). The utility model discloses simple structure, convenient to use, the energy can be saved, strong adaptability.

Server and method for providing on-line person state

A method for providing state of on-line person includes connecting on-line person and monitoring person separately to on-line server through network, setting on-line person in one group and monitoring person in one group, enabling to detect out latest state of group existed with on-line person by on-line server and automatically deciding whether to provide state of said on-line person to monitoring person or not by state providing server as per condition that right between group existed with on-line person and group existed with monitoring person is satisfied to preset rule or not.

LED fluorescent tube and installation method

The invention provides an LED fluorescent tube and an installation method. The LED fluorescent tube comprises a lamp body and drive connecting mechanisms arranged at the two ends of the lamp body. Each drive connecting mechanism comprises a lamp holder sleeve, a lamp holder, a drive power supply and an expansion positioning mechanism, wherein the lamp holder sleeve is connected with the lamp body, the lamp holder is arranged at one end of the lamp holder sleeve, the lamp holder is electrically connected with the drive power supply, the drive power supply is used for driving the lamp body to emit light, both the drive power supply and the expansion positioning mechanism are located in the lamp holder sleeve, and the expansion positioning mechanism tightly clamps the drive power supply and expands to be tightly attached to the inner surface of the lamp holder sleeve so that positioning can be conducted. The LED fluorescent tube has the advantages of being simple in structure, rapid and convenient ...

Hardware connection implementation system and method for remote digital circuit experiment

The invention discloses a hardware connection realization system and method for a remote digital circuit experiment, and belongs to the technical field of digital circuits, the hardware connection realization system comprises a client, a server, a main control board card and a digital circuit experiment board card, the client is in network connection with the server, the main control board card comprises a main control chip and an FPGA chip, a multiplexer is arranged in the FPGA chip, and the digital circuit experiment board card is connected with the main control chip. A plurality of selection ends of the multiplexer are connected with a GPIO (General Purpose Input/Output) interface of the main control chip through an IO (Input/Output) expansion module, and a plurality of controlled ends of the multiplexer are in network connection with test holes and components on the digital circuit experiment board, and the main control chip is in network connection with the server side. According to ...

Efficient suspension removal, coalescence, demulsification and separation method and device for offshore oilfield production water

The invention discloses an efficient suspension removal coalescence demulsification separation method for offshore oilfield platform production water, which comprises the following steps: performing oil, gas, water and solid four-phase coarse separation on produced liquid, removing contained solid phases such as suspended oil and silt, and after separation, performing next-stage separation on an oil-containing water phase; carrying out oil-water pre-separation on the oil-containing production water after crude separation to remove contained tiny dispersed oil, and carrying out next-stage separation on the separated oil-containing water phase; the pre-separated production water is subjected to deep, green and efficient demulsification separation, and contained emulsified oil is removed; carrying out gravity settling and buffering on the demulsified and separated water phase by using a buffer tank; and finally, the demulsified and purified production water is subjected to high-pressure reinjection ...

Regulation for resistance switching mode of multilayer film structure for resistance type random access memory

The invention relates to a method for realizing and regulating multiple resistance switching modes in the same storage structure, which comprises unipolar/bipolar resistance switching and bipolar resistance switching of two directions, and the resistance switching modes can be used for the resistance type random access memory. The storage structure in the method is a multilayer film structure, and comprises a tope electrode, a stunt layer and a bottom electrode, wherein the top electrode is an active metal; the stunt layer is a rare-earth manganese oxide film; and the bottom electrode is a noble metal or oxide conductive film. Polarity inversion of unipolar/bipolar resistance switching effect and bipolar resistance switching effect can be realized through processes of controlling the thickness of the active metal top electrode and applying special voltage sweep or pulse. Regulation for multiple resistance switching modes can be realized in the same storage structure, and the advantageof ...

Dynamic priority semi-perspective imprecise hybrid critical task energy consumption optimization scheduling method

The invention discloses a dynamic priority semi-perspective imprecise hybrid key task energy consumption optimization scheduling method. The method comprises the following steps: establishing a dynamic priority semi-perspective hybrid key task elegant degradation scheduling model; respectively determining a scheduling rule and a system correctness rule according to a preset rule; according to a preset formula, obtaining a processor demand of the low-key-level task tau i and a processor demand of the high-key-level task tau j; and calculating the processor speed according to a system correctness rule, the processor requirement of the low-key-level task taui and the processor requirement of the high-key-level task tauj. The hybrid key tasks are scheduled through a dynamic priority method, and the processor speed of energy consumption is calculated by using a system correctness rule, so that the utilization rate of the system is effectively improved, and the energy consumption of the system ...

Steel plate defect detection method, device and equipment and storage medium

The embodiment of the invention provides a steel plate defect detection method, device and equipment and a storage medium. The method comprises the following steps: acquiring ultrasonic echo information obtained by detecting a to-be-detected steel plate by an ultrasonic phased array detection system; the intermittent interlayer defect detection result of the to-be-detected steel plate is determined according to the ultrasonic echo information in combination with a pre-constructed defect evaluation table, and the defect evaluation table is constructed based on detection of a steel plate calibration test block group by the ultrasonic phase control detection system. According to the method, the to-be-detected steel plate is detected by adopting an ultrasonic phased array detection system to obtain ultrasonic echo information, and then the ultrasonic echo information is compared with a defect evaluation table to obtain an evaluation result corresponding to the ultrasonic echo information as ...

System and method for interaction between mobile phone and touch screen

The invention relates to a method for interaction between a mobile phone and a touch screen. The method includes the steps: a, a two-dimension code containing information of a server is generated on the touch screen connected with the server; b, after a user shoots the two-dimension code with the mobile phone, a processor in the mobile phone extracts the information of the server from the two-dimension code and sends a request signal to the server; d, after the server receives the request signal, the two-dimension code turns into a mobile phone placement position; e, after the user puts the mobile phone at the mobile phone placement position and the touch screen sends link success signals to the server and the mobile phone respectively, the server downloads user information from the mobile phone, and backgrounds of the touch screen and the mobile phone are synchronous. Identity authentication is realized by making use of a two-dimension code shooting function of the mobile phone, interaction ...

INK FOR PRODUCING COMPOUND SEMICONDUCTOR THIN FILM, COMPOUND SEMICONDUCTOR THIN FILM PRODUCED USING THE INK, SOLAR CELL HAVING COMPOUND SEMICONDUCTOR THE THIN FILM, AND PROCESS FOR PRODUCING SOLAR CELL

An ink for forming a compound semiconductor thin film is provided, which contains a binder includes a compound includes an S atom or an Se atom and metallic compound particles which are both dispersed in an organic solvent. A compound semiconductor thin film is formed by applying or printing the ink for forming a compound semiconductor thin film and heat-treating it. A solar cell is constituted, which has a light-absorbing layer formed of the compound semiconductor thin film. 1. An ink for forming a compound semiconductor thin film comprising:a binder comprising a compound comprising an S atom or an Se atom and metallic compound particles which are both dispersed in an organic solvent.3. The ink for forming a compound semiconductor thin film according to claim 1 , wherein an average particle diameter of the metallic compound particles is from 1 to 200 nm.4. The ink for forming a compound semiconductor thin film according to claim 1 , wherein the metallic compound particles comprises at least one VIB group element.5. The ink for forming a compound semiconductor thin film according to claim 1 , wherein the metallic compound particles are one selected from the group consisting of CuIn0≦x≦1) particles claim 1 , AgInGaSe(0≦x≦1) particles claim 1 , CuIn(SeS)(0≦x≦1 claim 1 , 0≦y≦1) particles claim 1 , CuZnSn(SSe)(0≦x≦1) particles claim 1 , and CuAl(SeS)(0≦x≦1) particles.6. The ink for forming a compound semiconductor thin film according to claim 1 , wherein the metallic compound particles are one selected from the group consisting of CuSeS(0≦x≦1 claim 1 , 0≦y≦1) particles claim 1 , (InGa)(SeS)(0≦x≦1 claim 1 , 0≦y≦1) particles claim 1 , and InGaSeS(0≦x≦1 claim 1 , 0≦y≦1) particles.7. The ink for forming a compound semiconductor thin film according to claim 1 , wherein the metallic compound particles are a mixture of CuSe (0≦x≦1) particles and In(SeS)(0≦x≦1) particles.8. The ink for forming a compound semiconductor thin film according to claim 1 , wherein the metallic ...

METHOD FOR PACKAGING SEMICONDUCTORS AT A WAFER LEVEL

A package and method for packaging a semiconductor device formed in a surface portion of a semiconductor wafer. The package includes: a dielectric layer disposed on the surface portion of the semiconductor wafer having a device exposing opening to expose one of the devices and an electrical contacts pad opening to expose an electrical contact pad; and a porous material in the device exposing opening over said one of the devices. 1. A method is provided for packaging a plurality of semiconductor devices formed in a surface portion of a semiconductor wafer , comprising:forming device exposing openings and electrical contact exposing opening in a dielectric layer disposed on the surface portion of the semiconductor wafer to expose the devices and electrical contacts pads, respectively; anddepositing a porous material in the device exposing openings over the devices.2. The method recited in wherein the dielectric layer is a lithographically processable material.3. The method recited in wherein including forming a second dielectric layer deposed over the first-mentioned dielectric layer and over the porous material.4. The method recited in including forming openings in the second dielectrics layer in registration with the electrical contact exposing opening.5. The method recited in wherein the second dielectric layer is a lithographically processable material.6. A package for a semiconductor device formed in a surface portion of a semiconductor wafer claim 4 , the package comprising:a dielectric layer disposed on the surface portion of the semiconductor wafer having a device exposing opening to expose one of the devices and an electrical contacts pad opening to expose an electrical contact pad; anda porous material in the device exposing opening over said one of the devices.7. The package recited in wherein the dielectric layer is a lithographically processable material.8. The package recited in including a second dielectric layer deposed over the first-mentioned ...

AUTO-DISCOVERY SERVICE AND METHOD OF DISCOVERING APPLICATIONS WITHIN A VIRTUAL NETWORK

Embodiments provide a system including a first host computing device that includes a first virtual machine (VM) and a first application. The system also includes a second host computing device including a virtualization software layer, a second VM, and an auto-discovery service at least partially instantiated within the virtualization software layer. The auto-discovery service is configured to receive a message and an auto-discovery packet from a second application executing on the second VM. The auto-discovery service inserts an option into the auto-discovery packet, and transmits the auto-discovery packet to the first application. The option in the auto-discovery packet includes the message received from the second application. 1. A system comprising:a first host computing device comprising a first virtual machine (VM) and a first application executing on the first VM; and a virtualization software layer;', 'a second VM, wherein a second application is executing within the second VM; and', receive a message from the second application;', 'receive an auto-discovery packet from the second application;', 'insert an option into the auto-discovery packet, wherein the option includes the message received from the second application; and', 'transmit the auto-discovery packet to the first application., 'an auto-discovery service at least partially instantiated within the virtualization software layer and communicatively coupled to the second VM, wherein the auto-discovery service is configured to], 'a second host computing device communicatively coupled to the first host computing device to form a network, the second host computing device comprising2. The system of claim 1 , wherein the message includes an internet protocol (IP) address of the second application.3. The system of claim 1 , wherein the auto-discovery service is further configured to register a callback function of the second application with the auto-discovery service.4. The system of claim 1 , wherein the ...

COMPOUND SEMICONDUCTOR THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF

A compound semiconductor thin film solar cell is provided, which includes a light-absorbing layer made of a compound semiconductor and a buffer layer formed on the light-absorbing layer. The buffer layer is formed with use of an ink containing nanoparticles each containing at least a metal element and an element of Group 16. 1. A compound semiconductor thin film solar cell comprising:a light-absorbing layer made of a compound semiconductor; anda buffer layer formed on the light-absorbing layer,wherein the buffer layer is formed with use of an ink comprising nanoparticles each containing at least a metal element and an element of Group 16.2. The solar cell according to claim 1 , wherein a composition of the compound semiconductor is CuInGaSeS(0 Подробнее

DYNAMIC AUTHENTICATICATION AN AUTHORIZATION OF A CONTAINERIZED PROCESS

The present technology addresses a need in the art for an automated and scalable mechanism to authorize a containerized process. An aspect of the present technology deals with authorizing an unprivileged process by a privileged process without embedding credentials or network access at the time of validation. The present technology provides the possibility for the privileged process to continuously (dynamically) validate the authenticity of the unprivileged process by performing a plurality of operations to ensure the unprivileged process has maintained its authenticity while having access to sensitive information.

Thread Rolling Fixed Length Spiral Rib Steel Wire

The present invention discloses a thread rolling fixed length, spiral rib steel wire used in prestressed concrete sleepers and track plates, including a 2.5 m long spiral rib prestressed steel wire, where both ends of said steel wire have continuous external thread section whose length is 30±2 mm, wherein, the surface of said steel wire has four parallel winding spiral ribs whose cross section is trapezoidal and lead is 41˜55 mm, the nominal diameter of said steel wire is 9.5 mm, 10.0 mm, or 10.5 mm, and the elastic-limit of said steel wire is larger than 1200N/mm 2 .

System and method for using multiple sensor calibration methods

The present invention relates to a system and method for improving glucose sensor accuracy by utilizing multiple calibration methods and selecting the most accurate method depending on a consensus glucose concentration estimate. Embodiments of the present invention comprise the steps of performing at least one in vivo update of surrounding glucose to acquire glucose values; calculating multiple updated calibration estimates using the updated glucose values; calculating an initial consensus glucose estimate from sensor output using each updated calibration estimate; applying a smooth crossover function to the multiple calibration estimates based on the value of the initial consensus glucose estimate; and adding weights to the multiple calibration estimates to acquire a consensus glucose estimate.

INK FOR FORMING COMPOUND SEMICONDUCTOR THIN FILM AND PRODUCTION METHOD THEREOF

A method for producing a nanoparticle for forming a CZTS compound semiconductor thin film is provided which includes the step of reacting a solution including a metal salt or a metal complex with a solution including a chalcogenide salt to produce a CZTS compound nanoparticle. A CZTS compound semiconductor thin film is formed by coating or printing the nanoparticle for forming the CZTS compound semiconductor thin film, and subjecting it to a heat treatment. A solar cell including the CZTS compound semiconductor thin film as the light-absorbing layer is provided. 1. A method for producing a nanoparticle for forming a CZTS compound semiconductor thin film , the method comprising:reacting a solution including a metal salt or a metal complex with a solution including a chalcogenide salt to produce a CZTS compound nanoparticle.2. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according to claim 1 , wherein the nanoparticle is produced at a temperature of −67° C. or higher and 25° C. or lower.3. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according to claim 1 , wherein the metal salt comprises a halogen atom.4. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according to claim 1 , wherein the metal salt is a metal iodide salt.5. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according to claim 4 , wherein the metal iodide salt is at least one selected from the group consisting of CuI claim 4 , ZnI claim 4 , and SnI.6. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according claim 1 , wherein the chalcogenide salt is at least one selected from the group consisting of NaSe and NaS.7. The method for producing a nanoparticle for forming a CZTS compound semiconductor thin film according to claim 1 , wherein the nanoparticle comprises a compound ...

Adaptive high-precision compression method and system based on convolutional neural network model

The present disclosure discloses an adaptive high-precision compression method and system based on a convolutional neural network model, and belongs to the fields of artificial intelligence, computer vision, and image processing. According to the method of the present disclosure, coarse-grained pruning is performed on a neural network model by using a differential evolution algorithm first, and the coarse-grained space is quickly searched through an entropy importance criterion and an objective function with good guidance to obtain a near-optimal neural network structure. Then fine-grained search space is built on the basis of an optimal individual obtained from the coarse-grained search, and fine-grained pruning is performed on the neural network model by a differential evolution algorithm to obtain a network model with an optimal structure. Finally, the performance of the optimal model is restored by using a multi-teacher multi-step knowledge distillation network to reach the precision of an original model.

Production method for compound semiconductor thin film, and solar cell provided with said compound semiconductor thin film

Ink for forming compound semiconductor thin film and method for producing same

Method for recognizing facial expressions based on adversarial elimination

The present disclosure relates to a method for recognizing facial expressions based on adversarial elimination. First, a facial expression recognition network is built based on a deep convolutional neural network. On a natural facial expression data set, the facial expression recognition network is trained through a loss function to make facial expression features easier to distinguish. Then some key features of input images are actively eliminated by using an improved confrontation elimination method to generate a new data set to train new networks with different weight distributions and feature extraction capabilities, forcing the network to perform expression classification discrimination based on more features, which reduces the influence of interference factors such as occlusion on the network recognition accuracy rate, and improving the robustness of the facial expression recognition network. Finally, the final expression classification predicted results are obtained by using network integration and a relative majority voting method.

Control method and apparatus for displaying widget

Embodiments of the disclosure disclose a control method and apparatus for displaying a widget, a system, an electronic device, a server and a storage medium. The method includes: acquiring a displaying control parameter of a widget on a page, generating content of the widget based on a state parameter of a displaying state in response to detecting a current time reaches an effective time of the displaying state, and displaying the widget whose state is updated to the displaying state based on the content of the widget.

Thread rolling fixed length spiral rib steel wire

The present invention discloses a thread rolling fixed length, spiral rib steel wire used in prestressed concrete sleepers and track plates, including a 2.5 m long spiral rib prestressed steel wire, where both ends of said steel wire have continuous external thread section whose length is 30±2 mm, wherein, the surface of said steel wire has four parallel winding spiral ribs whose cross section is trapezoidal and lead is 41˜55 mm, the nominal diameter of said steel wire is 9.5 mm, 10.0 mm, or 10.5 mm, and the elastic-limit of said steel wire is larger than 1200 N/mm 2 .

Method for recognizing facial expressions based on adversarial elimination

The present disclosure relates to a method for recognizing facial expressions based on adversarial elimination. First, a facial expression recognition network is built based on a deep convolutional neural network. On a natural facial expression data set, the facial expression recognition network is trained through a loss function to make facial expression features easier to distinguish. Then some key features of input images are actively eliminated by using an improved confrontation elimination method to generate a new data set to train new networks with different weight distributions and feature extraction capabilities, forcing the network to perform expression classification discrimination based on more features, which reduces the influence of interference factors such as occlusion on the network recognition accuracy rate, and improving the robustness of the facial expression recognition network. Finally, the final expression classification predicted results are obtained by using network integration and a relative majority voting method.

Seesaw-type feeding device for collecting solid suspended materials

A seesaw-type feeding device for collecting solid materials suspended in a flow field includes a suspension assembly, a material collection assembly, a joint hinge, two anti-collision blocks and an escapement shaking assembly, wherein the latter three of which are located between the suspension assembly and the material collection assembly. The suspension assembly includes a V-shaped floating body and at least three fixed bottom anchors. The material collection assembly includes a collection pocket net, a material container, a delivery part, and an annular water discharging screen mesh. The escapement shaking assembly is located behind the V-shaped floating body and faces the material collection assembly. The material collection assembly is able to shake relatively to the fluid in the flow field, and the escapement shaking assembly drives the material collection assembly to shake.

Multi-spectral scattering-matrix tomography

A method for multi-spectral scattering-matrix tomography includes a step of splitting an input light signal into an incident light signal and a reference light signal. The sample light signal is directed to a sample in either a reflection configuration or a transmission configuration such that an output light signal includes light scattered from or transmitted through the sample. The incident signal and the reference light signal are directed to a camera angled to allow for amplitude and phase to be calculated by off-axis holography. A total light signal is measured with a camera that is a coherent sum of the reference light signal and the output signal. The total light signal for each light frequency and each incident angle are collected as collected total light signal data. A computing device derives an image of the sample from a calculated reflection matrix or transmission matrix or both of them.

Sodium/lithium phosphorothioates as novel solid-state electrolyte for sodium/lithium battery

The disclosure relates to solid-phase and molten metal phosphorothioates useful as electrolytes, batteries comprising solid-phase and molten metal phosphorothioates, and methods of making solid-phase and molten metal phosphorothioates.

System and method for implementing a responsible artificial intelligence (ai) common controls framework

The invention relates to computer-implemented systems and methods for implementing an innovative Responsible AI Common Controls framework for AI Governance. The system of an embodiment of the present invention focuses on connectivity, communication, automation, reporting and case management around critical AI Governance controls.

Dynamic authentication and authorization of a containerized process

The present technology addresses a need in the art for an automated and scalable mechanism to authorize a containerized process. An aspect of the present technology deals with authorizing an unprivileged process by a privileged process without embedding credentials or network access at the time of validation. The present technology provides the possibility for the privileged process to continuously (dynamically) validate the authenticity of the unprivileged process by performing a plurality of operations to ensure the unprivileged process has maintained its authenticity while having access to sensitive information.

光電変換層の作製方法

【課題】ＣＺＴＳ化合物半導体ナノ粒子からなる光電変換層３の変換効率向上させること。 【解決手段】基板１上に形成された裏面電極２上に、ＣＺＴＳ化合物半導体ナノ粒子を含有する層を設ける工程、熱処理する工程、ＣＺＴＳ化合物半導体ナノ粒子を含有する層の表面を洗浄する工程を含む、ＣＺＴＳ化合物半導体からなる太陽電池１０の光電変換層作製方法であって、（１）前記洗浄工程が、アルカリ溶液で洗浄する工程と、酸性溶液で洗浄する工程（２）前記洗浄工程が、アミン系溶媒で洗浄する工程と、チオール系溶媒で洗浄する工程（３）前記洗浄工程が、アルカリ溶液で洗浄する工程と、純水で洗浄する工程を有する。 【選択図】図１

光吸収層、化合物薄膜太陽電池、光吸収層の製造方法、および、化合物薄膜太陽電池の製造方法

【課題】光電変換効率を高めることのできる光吸収層、化合物薄膜太陽電池、光吸収層の製造方法、および、化合物薄膜太陽電池の製造方法を提供する。 【解決手段】Ｃｕ、Ｚｎ、Ｓｎ、Ｓ、および、Ｓｅの５つの元素を含み、化合物薄膜太陽電池１０に用いられる光吸収層１３であって、光吸収層１３の膜厚方向におけるＳ濃度の変化率は１０％以下であり、光吸収層１３の膜厚方向におけるＳｅ濃度の変化率は１０％以上３０％以下であって、Ｓｅ濃度は、光吸収層１３の有する面のうち、化合物薄膜太陽電池１０の裏面電極１２に向けられる面から、化合物薄膜太陽電池１０の表面電極１７に向けられる面に向けて大きくなり、光吸収層１３全体の組成は、０．９８≦（Ｓ＋Ｓｅ）／（Ｃｕ＋Ｚｎ＋Ｓｎ）を満たす。 【選択図】図１

Camera module and electronic device

This application discloses a camera module and an electronic device, and pertains to the field of communications device technologies. The camera module includes a base frame, a photosensitive chip, a first substrate, a first driving mechanism, a first guide post, a second substrate, a second guide post, and a second driving mechanism, where the first guide post is disposed on the base frame, the first substrate is movably connected to the first guide post, and the first substrate is able to move along an extension direction of the first guide post; the photosensitive chip is disposed on the second substrate, the second guide post is disposed on the first substrate, the second substrate is movably connected to the first guide post, and the second substrate moves along an extension direction of the second guide post; the first driving mechanism includes a first driving motor, and the first driving motor is disposed on the base frame and is connected to the first substrate; and the second driving mechanism includes a second driving motor, and the second driving motor is disposed on the base frame or the first substrate and is connected to the second substrate.

Camera Module and Electronic Device

A camera module includes a base frame, a photosensitive chip, a first substrate, a first driving mechanism, a first guide post, a second substrate, a second guide post, and a second driving mechanism. The first guide post is disposed on the base frame, the first substrate is movably connected to the first guide post and is capable of moving along an extension direction of the first guide post; the photosensitive chip is disposed on the second substrate, the second guide post is disposed on the first substrate, the second substrate is movably connected to the first guide post, and the second substrate moves along an extension direction of the second guide post; the first driving mechanism includes a first driving motor, and the first driving motor is disposed on the base frame and is connected to the first substrate; and the second driving mechanism includes a second driving motor.

Cloud-end data multicast method and system

Admission control for latency-critical remote procedure calls in datacenters

A distributed sender driven Admission Control System (ACS) is described herein, leveraging Weighted-Fair Quality of Service (QoS) queues, found in standard NICs and switches, to guarantee RPC level latency service level objectives (SLOs) by a judicious selection of QoS weights and traffic-mix across QoS queues. ACS installs cluster-wide RPC latency SLOs by mapping LS RPCs to higher weight QoS queues, and coping with overloads by adaptively apportioning LS RPCs amongst QoS queues based on measured completion times for each queue. When the network demand spikes unexpectedly to predetermined threshold percentage of provisioned capacity, ACS achieves a latency SLO that is significantly lower than the state-of-art congestion control at the 99.9th-p and admits significantly more RPCs meeting SLO target when RPC sizes are not aligned with priorities.

Admission control for latency-critical remote procedure calls in datacenters

A distributed sender driven Admission Control System (ACS) is described herein, leveraging Weighted-Fair Quality of Service (QoS) queues, found in standard NICs and switches, to guarantee RPC level latency service level objectives (SLOs) by a judicious selection of QoS weights and traffic-mix across QoS queues. ACS installs cluster-wide RPC latency SLOs by mapping LS RPCs to higher weight QoS queues, and coping with overloads by adaptively apportioning LS RPCs amongst QoS queues based on measured completion times for each queue. When the network demand spikes unexpectedly to predetermined threshold percentage of provisioned capacity, ACS achieves a latency SLO that is significantly lower than the state-of-art congestion control at the 99.9th-p and admits significantly more RPCs meeting SLO target when RPC sizes are not aligned with priorities.

Viiveen suhteen kriittisten etäproseduurikutsujen pääsynvalvonta datakeskuksissa

Admission control for latency-critical remote procedure calls in datacenters

Adgangskontrol for latenskritiske fjernprocedurekald i datacentre

Compaction method and device for sorted strings table files

Provided are a compaction method and device for Sorted String Table (SST) files stored in zones of a Zoned Namespace Solid State Drive. The method includes: determining compaction priorities of a first plurality of SST files in a first level of a LSM-Tree based on attribute information of a first plurality of zones corresponding to the first plurality of SST files and a second plurality of SST files in a second level of the LSM-Tree, wherein the second level is adjacent and higher to the first level, a key range of the first plurality of SST files overlaps key ranges of SST files in the second level, and a key range of the second plurality of SST files overlaps key ranges of the first plurality of SST files. The method includes performing a compaction operation on an SST file having a highest compaction priority among the first plurality of SST files.