Fertilizer extrusion granulation production device

The invention discloses a fertilizer extrusion granulation production device, and relates to the technical field of fertilizer processing. The pelletizer comprises a pelletizer body, a feeding hopper is fixedly connected to the top face of the pelletizer body in an inserted mode, a discharging groove is formed in the front face of the pelletizer body, a working box is fixedly connected to the front face of the pelletizer body, the discharging groove is located in the working box, a screening plate is slidably connected to the inner wall of the working box, and a vibration assembly is arranged at the bottom of the screening plate. A turning assembly and a drying assembly are arranged on the surface of the working box, the effect of conveniently screening fertilizer particles at a granulation position is achieved in use, fertilizer chippings in the particles can be removed, and the chippings are reprocessed, so that the quality of fertilizer particle products is effectively improved; the ...

Bottom radiating zone-control polyimide fiber drier

A bottom radiating zone-control polyimide fiber drier is characterized in that a machine frame is included, the machine frame is divided into a plurality zones, a first coaxial through hole, a second coaxial through hole and a third coaxial through hole are formed in the lower portion, the upper portion and the middle portion of each zone respectively, each zone is fixedly connected with a large transmission roller, a first small transmission roller, a second small transmission roller, a transmission device, a power device, a radiator and a temperature sensor respectively, the large transmission rollers, the first small transmission rollers and the second small transmission rollers are arranged on the same side of the machine frame, arranged in the first coaxial through holes, the second coaxial through holes and the third coaxial through holes in a penetrating mode and are fixedly connected, the transmission devices are placed on the other side of the machine frame and are fixedly connected ...

Special processing frock of hydraulic rotary axle head face compound hole

Special processing frock of hydraulic rotary axle head face compound hole is including ring flange, position sleeve, locating pin, fastening bolt, balancing weight, its characterized in that ring flange is the disc be connected with the lathe spindle, and it be the circular shape drum that the position sleeve is an axle cross -section, position sleeve one end and ring flange fixed connection, set up in the middle part of the position sleeve lateral wall with the parallel rectangular shape through hole shape constant head tank in position sleeve axis, set up at least two on the lateral wall of the position sleeve other end and be provided with the internal screw thread through -hole, be provided with the fastening bolt of adaptation in the through -hole, the utility model discloses simple manufacture, low in production cost need not purchase combination cutting tool, can guarantee the axiality, and the lathe work ratio to mill the drilling efficient, improved production efficiency.

20 central swivel joint is used to tonne crawler -mounted excavator

The utility model relates to a 20 central swivel joint is used to tonne crawler -mounted excavator belongs to excavator drive disk assembly field, include the revolving axle and overlap at the epaxial rotation shell of gyration, be provided with a plurality of axial oil grooves in the revolving axle, be provided with annular oil groove a plurality of and axial oil groove intercommunication on the rotation shell inner wall, every annular oil groove both sides all is provided with high -pressure rotary combined sealing washer, and the rotation shell lower part is equipped with the draining groove, is provided with twice low pressure O type sealing washer between revolving axle lower part and the rotation shell lower part, and low pressure O type sealing washer is located the below in draining groove, is equipped with the support ring between low pressure O type sealing washer and the draining groove. The utility model discloses a draining groove and low pressure O type sealing washer are ...

Slow-throwing softball throwing machine

The invention relates to the technical field of physical training instruments, in particular to a slow-throwing softball throwing machine. Comprising a base, a mounting support, a ball serving cylinder, a ball storage cylinder, a swing frame and a transmission mechanism, the base is fixed to the mounting support, the swing frame is arranged on the mounting support, the ball serving cylinder is fixed to the top of the swing frame, the bottom end of the ball storage cylinder is connected to the bottom end of the ball serving cylinder through a connecting pipe, and the ball storage cylinder is communicated with the ball serving cylinder; the transmission mechanism is arranged on the installation support, an ejection arm is fixedly arranged on the transmission mechanism, one end of the ejection arm extends into the ball serving cylinder, and a strip-shaped groove for the ejection arm to move is formed in the cylinder wall of the ball serving cylinder. The device meets the requirements of slow-throw ...

Device and experimental method for simulating the effect of submarine tidal sand waves on pipeline engineering

The invention discloses a device and experimental method for simulating the effect of submarine tidal waves on pipeline engineering, which includes an experimental water tank and tide generation system, a terrain scanning system, a submarine pipeline simulation measurement system, and a data acquisition processing and controller. The experimental tank and tide generation system create reciprocal tidal flows using pumps to act on the sandy seabed in order to generate submarine sand waves. The terrain scanning system uses an ultrasonic topographer to collect the sand wave pattern and transmit the data to the data acquisition processing and controller; the submarine pipeline simulation measurementsimulation measurement system uses the fiber optic strain sensors, which are stuck on the side wall of the pipeline model, to collect the pipeline deformation data, and uses a high-speed camera to collect the pipeline displacement information and transmit the information to the data acquisition processing and controller. In this invention, the periodically changing flow, instead of steady flow or waves in former experiments, is generated with a pump to simulate the tidal flows and then to simulate the formation of tidal sand waves. This device can be used to conduct experiments on the impact of submarine tidal sand waves on pipeline engineering with realistic conditions and high accuracy. 1/2 FIGURES I-) CNC Cr, / 04 N 21 Fiur I

Ultrawear-resistant rubber conveyer belt cover rubber and preparation method thereof

The invention relates to ultrawear-resistant rubber conveyer belt cover rubber which is prepared from the following materials in parts by weight: 65-75 parts of butadiene rubber, 25-35 parts of nature rubber, 42-52 parts of reinforcing agent, 0.8-2.5 parts of vulcanizer, 5-8 parts of antiager, 1-2.5 parts of dispersing agent, 1.5-3.0 parts of coupling agent, 3-5 parts of active agent and 1-3 parts of accelerator. The invention also discloses a preparation method of the ultrawear-resistant rubber conveyer belt cover rubber. A conveyer belt prepared by adopting the technical scheme can improve the wear resistance, lower the wear resistance, and achieve better cover rubber strength and elongation at break.

Vertical solar support for set top box

The invention discloses a vertical solar support for a set top box. Fixing plates are vertically arranged on a base to form a vertical hollowed-out containing space which allows the set top box to be placed vertically, so that space is saved. A fan is arranged in the base which is in a hollow structure, the fixing plates are provided with a plurality of holes, on the one hand, heat radiation of the set top box is facilitated while effectiveness in utilization of the set top box is improved, and on the other hand, due to blowing action of the fan, dust accumulated outside the set top box and the fixing plates can be avoided, and a self-cleaning function is realized. In addition, flexible solar panels are arranged outside the fixing plates respectively, and the fan is connected with the storage battery which is arranged in the base, so that indoor sunshine can be fully used and converted into electric energy for driving the fan to rotate, consumption of common batteries is reduced, and energy ...

Novel macamide compounds as well as synthetic method and medical application of novel macamide compounds

The invention relates to new macamide compounds as well as a synthetic method and medical application of the new macamide compounds, belonging to new compounds as well as a synthetic method and medical application of the new compounds. The compounds are 9Z-N-(4-chloro-benzyl)-octadecenamide and 9Z, 12Z-N-(4-chloro-benzyl)-octadecadienamide. The new macamide compounds can be used for preparing hearth care products capable of enhancing physical strength, allaying tiredness and enhancing the sexual function or for preparing drugs capable of enhancing physical strength, allaying tiredness, enhancing the sexual function and treating erectile dysfunction of the male, have the effects of promoting sexual desire, improving the mating ability, increasing the indexes of sexual organs and the amount of sperms, improving the activity of sperms, increasing the testosterone content in blood and improving the 5-hydroxytryptamine level in the brain and has the characteristic of remarkable curative effect ...

立体多维多模式毛细管电泳方法及专用装置

... 本发明涉及一种立体多维多模式毛细管电泳方法及专用装置。它通过电压切换使流动相在不同流路之间切换，使样品组分在至少2根毛细管柱中，采用不同的毛细管电泳分离模式，通过串联、并联或串联并联组合的流路形式，以及不同流动相组合完成分离；其专用装置主要由至少2根毛细管柱、至少1个连接件、高压源组成，用连接件进行柱间样品输运，其接口处连接毛细管柱和空毛细管，高压源通过控制开关、装有流动相的容器安装在毛细管柱或空毛细管自由端。具有柱效损失小，峰容量更大，结构简单、检测灵敏度高特点。 ...

Data processing method and system for acquiring ion parameters of retardation potential analyzer

The invention provides a data processing method and system for acquiring ion parameters of a retardation potential analyzer, and the method combines the relation between the ion density, the ion temperature and the ion speed in the plasma parameters and the volt-ampere characteristic curve of the retardation potential analyzer. The volt-ampere characteristic curve of the retardation potential analyzer is divided into a first linear interval, a non-linear interval and a second linear interval based on the change of the curve slope, the first linear interval is used as the optimal fitting interval of ion density, and the non-linear interval is used as the optimal fitting interval of ion temperature; the combined interval of the first linear interval and the nonlinear interval is used as the optimal fitting interval of the ion velocity, and the calculation amount of the nonlinear least square method can be reduced to a certain extent by dividing different fitting intervals, so that the influence ...

Enteric-coated sustained release composition

The invention discloses an enteric-coated sustained release preparation and a preparation method thereof. The preparation is in form of a double-layer enteric-coated sustained release tablet containing paroxetine or pharmaceutically applicative salt thereof. According to the preparation, Acryl-EZE is used as the material of an enteric coating, so that the stability of the sustained release tablet in releasing can be improved.

Stereo multi-dimensinal multi-mode capillary electrophoresis method and its special equipment

The invention relates to the capillary electrophoresis method in stereo multiple dimensions and multiple modes as well as its special equipment. Switching voltage makes the mobile phase be switched between different flow paths. The sample components are separated into at least two capillary columns by using different separation modes of the capillary electrophoresis through flow paths in forms ofseries connection, parallel connection or their combination. The special equipment is mainly composed of at least two caillary columns, at least one connecting piece and high voltage source. The connecting piece transports the samples between columns. The container containing flow path is installed on the capillary columns or the free end of the vacant capillary.

Rock porosity measuring and calculating method based on stress-strain curve

The invention discloses a rock porosity measuring and calculating method based on a stress-strain curve. The rock porosity measuring and calculating method comprises the following steps: acquiring rock elastic deformation process information; based on the rock elastic deformation process information, constructing a stress-strain model of the rock to be measured; acquiring pore strain information of the to-be-measured rock by using the stress-strain model; based on the to-be-measured rock pore strain information, constructing a pore strain and rock porosity relation model; and based on the pore strain and rock porosity relation model, obtaining the porosity of the rock to be measured. According to the method, the hyperbolic model of the rock stress-strain curve is established, the relationship between the model parameters and the rock porosity is demonstrated, the porosity of the rock sample can be measured and calculated only through the stress-strain curve in the rock uniaxial loading ...

Method for evaluating contact stress distribution of rock mass structural surface

The invention discloses a method for evaluating the contact stress distribution of a rock mass structural plane, and the method comprises the steps: carrying out the initial point cloud registration of an upper check point cloud and a lower check point cloud of the structural plane, carrying out the partitioning on a coordinate system, taking a mean value as a representative value of a grid in the transverse, longitudinal and vertical directions of the coordinate system, carrying out the simplification of the upper check point cloud and the lower check point cloud, and carrying out the calculation of the upper check point cloud and the lower check point cloud. Accurate point cloud registration is carried out again; obtaining the composite morphology of the upper inventory point cloud and the lower inventory point cloud after accurate point cloud registration; determining the position and geometric characteristics of the micro-convex body according to the elevation matrix distribution; determining ...

Track tensioning device of piston rod packing

The utility model relates to a track tensioning device of piston rod packing belongs to excavator walking overspeed device tensioner field, including the hydro -cylinder body that has the hydro -cylinder dish, the inside of the hydro -cylinder body is the through -hole of echelonment, one section through -hole with the echelonment in the echelonment pull rod cooperatees, the other end at the through -hole is equipped with the piston rod, inside the opening of piston rod has the oil filler point, the pull rod is equipped with the fork ring on stretching out hydro -cylinder body section, be equipped with the spring between hydro -cylinder dish and the fork ring, the tip that the pull rod is stretching out hydro -cylinder somatic part branch is equipped with stop nut, the support ring, U -type sealing ring and dust ring from interior to exterior arrange in proper order, be provided with support ring no. 2 in the annular groove, be provided with the cutting ferrule between fork ring and the ...

Methods for repelling insects using sesquiterpene hydrocarbons and their derivatives

Methods for repelling flying or biting insects from an area, a human, or an animal subject are provided. The methods include treating the area, or applying to a subject or to a device worn by the subject seychellene, -guaiene, and -bulnesene, or a mixture thereof. Additional compounds including -caryophyllene, isocaryophyllene, -caryophyllene oxide, -caryophyllene ketone, -humulene, -patchoulene, -patchoulene, -elemene, (+)-longipinene, ()-isolongifolene, (+)-longifolene, and linalool, clove oil, and/or patchouli oil may also be used.

40 tonne tire formula harbour is hung and is used central swivel joint

The utility model relates to a 40 tonne tire formula harbour is hung and is used central swivel joint belongs to excavator drive disk assembly field, include that revolving axle and cover are provided with the end cover in the epaxial rotation shell of gyration, rotation shell top, be provided with a plurality of axial oil grooves and axial gas tank in the revolving axle, be provided with on the revolving axle outer wall a plurality of respectively with the annular oil groove and the annular gas tank of axial oil groove and axial gas tank intercommunication to be equipped with corresponding hydraulic fluid port on rotation shell, every annular oil groove and annular gas tank both sides all are provided with high -pressure rotary combined sealing washer, and annular gas tank setting is on the upper portion of revolving axle, and annular oil groove setting is in the lower part of revolving axle, and the revolving axle both ends are equipped with the support ring slot, and support ring ditch ...

Three-dimensional topography measurement instrument for rock mass structural surface

The invention discloses a three-dimensional topography measurement instrument for a rock mass structural surface. The three-dimensional topography measurement instrument for the rock mass structural surface comprises vertical dividing rulers, a transverse ruler and a drawing board, wherein the vertical dividing rulers are fixed to the edges of the two sides of the drawing board respectively, the two ends of the transverse ruler are fixed to the vertical dividing rulers respectively and can move up and down along the vertical dividing rulers, a clamping groove is formed in the transverse ruler, one end of a drawing rod moves horizontally along the clamping groove, the other end of the drawing rod is in contact with the drawing board through a drawing tool, a piece of coordinate paper is arranged on the drawing board, and the drawing tool arranged on the drawing rod is made to be in contact with the coordinate paper by adjusting the height of the drawing rod. According to the three-dimensional ...

PET POSITIONING DEVICE AND ITS SOCIAL METHOD

The invention discloses a pet positioning device and its social method comprising a shell, hardware and a cooperative mobile control terminal wherein hardware includes a power module, a signal-receiving module, a central processor registration management module, and a GPS transmission module, a switch, and LED lights, among which the power module, signal-receiving module, central processor registration management module and GPS transmission module are inside the shell and interconnected through electric wires while switch and LED lights are on it; the power module provides power for pet locator; signal-receiving module receives signals from SIM card; central processor handles received signals, performs conversion calculation from signals to position information and, gives command to LED lights then corresponding LED light will be lit. Adopting the pet positioning device and its social method enables pet locator locate, measure distance, and know location of target, offering a more effective method for pets' social contact. 1. A pet positioning device and its social method comprising a shell , hardware and a cooperative mobile control terminal wherein said hardware includes a power module , a signal-receiving module , a central processor registration management module , and a GPS transmission module , a switch , and LED lights , among which the power module , the signal-receiving module , the central processor registration management module and the GPS transmission module are all set inside the shell and are interconnected through electric wires while the switch and the LED lights are set on the shell , the power module providing power for the pet locator , the signal-receiving module receiving signals from SIM card , the central processor dealing with received signals , performing conversion calculation from signals to location information and , at the same time , giving command to LED lights then corresponding LED light will be lit up.2. A pet positioning device ...

Pulse sectional type pressure testing device

The utility model provides a pulse sectional type pressure testing device, belongs to pipeline quality testing technical field, mainly solves the problem of unable some the minor and special defects of discovery of the hydrostatic pressure testing method of a segmentation. Its structure includes two core mouths, cooperatees with two core mouths respectively in the both ends of the pipeline that awaits measuring, one of them core mouth is installed on exhaust duct, the last air bleeding valve that is provided with of exhaust duct, and another core mouth is installed on the trunk line, is provided with pressure measurement, main pipeline valve gate and main water tank on the trunk line, install low pressure water injection pump, high -pressure pump, pump end valve and unloading valve between pressure measurement and the main pipeline valve gate. The utility model discloses can find to await measuring and adopt the slight defect of the unable discovery of the hydrostatic pressure testing method ...

METHODS FOR REPELLING INSECTS USING SESQUITERPENE HYDROCARBONS AND THEIR DERIVATIVES

Methods for repelling flying or biting insects from an area, a human, or an animal subject are provided. The methods include treating the area, or applying to a subject or to a device worn by the subject seychellene, -guaiene, and -bulnesene, or a mixture thereof. Additional compounds including -caryophyllene, isocaryophyllene, -caryophyllene oxide, -caryophyllene ketone, -humulene, -patchoulene, -patchoulene, -elemene, (+)-longipinene, ()-isolongifolene, (+)-longifolene, and linalool, clove oil, and/or patchouli oil may also be used.

Split type coal-gas adsorption desorption and outburst test device and test method

The invention discloses a split type coal-gas adsorption desorption and outburst test device, which comprises a cylindrical coal sample chamber. The coal sample chamber is provided with several pressure temperature sensors able to detect molded coal temperature and gas pressure. Hydraulic loading equipment able to stretch into the coal sample chamber and apply axial ground stress is fixedly mounted at one end of the coal sample chamber, the other end is provided with a coal-gas blowout port communicated with the coal sample chamber during work, and a quick release mechanism is disposed at the coal-gas blowout port to control the blowout port breakover. The hydraulic loading equipment is connected to a piston rod through a universal joint, and the tail end of the piston rod is connected to a surface type inflation loading disc in contact with a coal sample placed in the coal sample chamber during test. The invention also discloses a test method using the device. The device and the method ...

Method for testing performance of strong anion exchange solid-phase extracting column

The invention relates to a chromatographic analysis technology, in particular to a method for testing the performance of a strong anion exchange solid-phase extracting column. A target compound, i.e., sulfosalicylic acid or guanosine 5'-disodium phosphate is specifically adsorbed by using the strong anion exchange solid-phase extracting column, and then the effective retention of the target compound on the solid-phase extracting column is detected to test the performance of the strong anion exchange solid-phase extracting column. By using the invention, a liquid phase chromatographic separation condition is established and the performances of different brands of solid phase extracting columns are comprehensively compared, analyzed and evaluated by using a method for figuring out the sample recycling rate through testing. By establishing the method, the performance of the strong anion exchange solid-phase extracting column can be effectively evaluated.

Gas-containing coal similar material and preparation method thereof

The invention discloses a gas-containing coal similar material and a preparation method thereof. The similar material is prepared by the preparation method comprising the following steps: selecting coal powder with certain particle size distribution and a sodium humate aqueous solution as raw materials, wherein the coal powder is used as an aggregate and the sodium humate aqueous solution is used as a cementing agent; weighing the coal powder with the certain particle size distribution, water and sodium humate strictly according to proportions, fully stirring uniformly, pouring the well mixed and stirred mixture into a steel mold, and performing pressure molding on the mixture by using a certain pressure under a press machine; and separating the mold, taking out a molded test piece, and drying at normal temperature or in a drying box. A physical mechanical parameter test shows that the volume weight and porosity of the similar material are equivalent to those of raw coals, the adsorptivity ...

Building waterproof and heat preservation construction method and device

The invention discloses a building waterproof and heat preservation construction method which comprises the following steps: carrying out gradient detection on a building ground, and then carrying out cement leveling treatment according to a gradient detection result; a coiled material laying device is used for laying waterproof coiled materials on the leveled cement ground and pressing the waterproof coiled materials; laying a thermal insulation layer on the waterproof coiled material layer and pressing the thermal insulation layer; and a concrete protection layer is laid on the surface of the protection layer. According to the waterproof and heat-preservation construction method for the building, due to the fact that the coiled material laying device is adopted, the coiled material can be glued, pasted and flattened when the waterproof coiled material is laid, a leveling procedure can be omitted during waterproof and heat-preservation construction, manpower is saved, and the construction ...

Tension cylinder welds special positioner

Tension cylinder welds special positioner is including locating pin, locating plate, nut, locating lever, backup pad, locking bolt, the even round bar of screwed is established for one end tip surface to the locating lever, has seted up a circular through -hole on the lug of locating plate both ends symmetry respectively, and circular through -hole on two lugs is about locating plate vertical axis symmetry, the locating lever is established screwed one end and is worn to establish in the circular through -hole of locating plate lug, offer two sizes and locating lever adaptation and the equal support diaphragm orifice of two circular logical hole center distance of centre -to -centre spacing and locating plate lug on backup pad and the locating plate parallel arrangement, backup pad and the parallel both sides face of locating plate, axis location department is provided with convex recess in the backup pad lower part, the locating plate middle part is provided with two about the symmetrical ...

Super gentle hydraulic pressure wire rope spiral rubber hose

The utility model relates to a super gentle hydraulic pressure wire rope spiral rubber hose. Including interior glue film, the outside of interior glue film has mesh cloth layer, and the outside on mesh cloth layer has the multilayer mesoglea, all is provided with the wire rope layer between the adjacent mesoglea, the outside of outmost mesoglea is outer glue film, also is provided with the wire rope layer between outmost mesoglea and the outer glue film. The utility model provides a rubber tube through adopting wire rope as the enhancement layer, makes the rubber tube obtain great intensity and higher toughness.

Method and system for collecting and processing electronic injection signal of vehicle

The invention discloses a method and system for collecting and processing an electronic injection signal of a vehicle, and the method comprises the following specific steps that 1) a remote collection device transmits collection parameter configuration information; 2) a vehicle-mounted terminal receives the collection parameter configuration information, converts the collection parameter configuration information into CPP protocol data, configures an electronic injection signal collection parameter of a vehicle ECU through a CAN bus, then obtains an electronic injection signal, transmitted by the vehicle ECU, in a CPP protocol format, and then transmits the electronic injection signal to the remote collection device after conversion and processing; 3) the remote collection device receives the electronic injection signal, deblocks the electronic injection signal according to an object relation mapping table, carries out the preprocessing of the deblocked signal data, and then stores the ...

Remote data real-time collection, analysis and statistical system and method based on CAN-bus

The invention relates to the technical field of electronic controlling, and discloses a remote data real-time collection, analysis and statistical system and method based on a CAN-bus. The system comprises a mobile terminal device and a remote center system. The remote center system comprises a DBC file processing device, a signal data deblocking device, a signal data preprocessing device, a signal data statistical device, a signal data abnormity processing device and a signal data analysis chart generating device. The mobile terminal device is communicated with the remote center system through the GSM/3G network. The system solves the problems of analysis, conversion, counting and storing of real-time reporting of complex and mass CAN data, and important auxiliary functions can be provided for finished automobile development. The method is applied to the system, and by means of the method, the efficiency of a series of operations of extracting signal data from CAN data blocks, signal merging ...

Preparation method of MgO film to enhance the statistics of PDP on discharge delay time

The invention discloses a preparation method of a MgO thin film which can improve the PDP statistical discharge delay time, the invention produces the dense and orderly MgO thin film mainly by using the doped MgO crystal and setting the appropriate oxygen partial pressure preparation parameter of 0.25 multiplied by 10<-2>Pa to 0.75 multiplied by 10<-2>Pa when in evaporation of an alternating current color plasma display base plate; compared with the current general method, the invention greatly shortens the statistical discharge delay time (jitter time).

Shield synchronous grouting slurry

The invention belongs to novel materials in tunnel construction, in particular to shield synchronous grouting slurry capable of effectively controlling stratum displacement caused by shield construction and tunnel floating after escaping from the shield tail. The properties of the novel shield synchronous grouting slurry material relate to the control of stratum settlement caused by shield construction, the tunnel floating after escaping from the shield tail, and the long-term stability of the tunnel. The invention aims at overcoming the shortcoming in condensation time of conventional single-fluid activity and inertia material, mainly adopts yellow sand, lime putty and fly ash, and adds proper amount of additives to prepare the high-quality synchronous grouting material with high density, high early strength, small shrinkage deformation, good fluidity, good filling property, good stability, seismic resistance and no liquefaction. By the application of the synchronous grouting slurry in ...

Coin inserting member and coin inserting mechanism for coil inserter of bus

The invention discloses a coin inserting member and a coin inserting mechanism for a coil inserter of a bus. The coin inserting member is located above a coil inserter body and is prepared from a transparent acrylic material and a coin circulating path is formed by the coin inserting member and the coil inserter body, and a blow hole is formed in the upper part, opposite to a coin slot, of the coin inserting member; the coin inserting mechanism is applied to the coin inserting member and comprises a foot-type inflator which is connected with the blow hole, and the foot-type inflator is automatically or manually operated to blow air to money and coins at the coin slot, so that the money and coins can smoothly fall into the coin inserter body. According to the coin inserting member disclosed by the invention, the technical problem that plenty of coins remained at the coin slot cannot fall down is effectively solved by additionally arranging the blow hole, opposite to the coin slot, on a conventional ...

Aggregation pheromone attractant for attracting shangrila dentate bark beetle

The invention provides an aggregated pheromone attractant for trapping Shangri-La Ips, which is used to monitor and trap the Shangri-La Ips and composed of 18%-70% of 2-methyl-3-butene-2-ol, 25%-70% of (plus/minus) bark beetle-dienol or (plus)- bark beetle-dienol, 5%-20% of cis-verbena enol, and 0%-8% of trans-verbena enol. The components of the attractant are evenly mixed and cased into the polyethylene plastic bag-type, bottle-type, rubber-plug-type and other conventional release carriers (induced core) for use. The invention belongs to the natural volatile organic substances and has stable structure and stable chemical properties of atmospheric pressure and ambient temperature; compared with conventional chemical control, the aggregated pheromone attractant is non-toxic, non-polluting and highly efficient, which is safe for the environment and the natural enemies; moreover, the invention can be used for species dynamic monitoring and production prevention and control of large-scale trapping ...

Method for improving beam collection efficiency of microwave wireless power transmission system

The invention provides a method for improving wave beam collection efficiency of a microwave wireless power transmission system, which comprises the following steps of: 1, calculating a theoretical maximum value of the wave beam collection efficiency and corresponding array element excitation by solving a generalized characteristic equation; and step 2, performing subarray division on the two-dimensional emission array by using a method of combining a K-means clustering algorithm and a particle swarm algorithm, and calculating beam collection efficiency under different conditions. According to the method, starting from optimization of a transmitting antenna by a sub-array division method, the particle swarm optimization algorithm and the K-means clustering algorithm are combined for the antenna synthesis problem of microwave power transmission for the first time, sub-array division is carried out on the two-dimensional planar array antenna, the complexity of a feed network is greatly simplified ...

Preparation method of total alkaloid from lotus plumule and medical application thereof

The invention relates to a preparation method of total alkaloid from lotus plumule and medical application thereof, and belongs to a novel preparation method of effective parts of lotus plumule and medical application thereof. The total alkaloid from lotus plumule is prepared by taking lotus plumule as a raw material, and being subjected to alcohol cold soak extraction, degreasing, acidifying to remove other components, alkalizing and adsorbing by an adsorption resin column, eluting by an acidic alcohol solution, recrystallization and the like. The yield is more than 1% and the purity is more than 90%. The total alkaloid from lotus plumule has wide medical application in preparation of blood fat-lowering drugs.

Intelligent two-way multi-angle overturn model test device and test method

The invention discloses an intelligent two-way multi-angle overturn model test device and test method. The intelligent two-way multi-angle overturn model test device comprises a model loading counter-force device, a left-right overturn device, a front-back overturn device and a box cut, wherein the model loading counter-force device can achieve 1/2 contraction scale or free overall model size assembly, the left-right overturn device can achieve free quantitative overturn within the scope ranging from 0 degree to 60 degrees, the front-back overturn device can achieve free quantitative overturn within the scope ranging from 0 degree to 90 degrees, the whole system can achieve the left-right overturn and the front-back overturn multi-angle combination overturn, the visualized monitoring of the whole process can be achieved by embedding tempered glass into front-back counter-force beams, the manufacturing of a model and the section view after being taken out and reservation of the model after ...

Track tensioning device of disconnect -type uide bushing

The utility model relates to a track tensioning device of disconnect -type uide bushing belongs to excavator walking overspeed device tensioner field, including the hydro -cylinder body that has hydro -cylinder dish and hole, the plunger axle is installed to the internal hole of hydro -cylinder one end, the pull rod is installed to the other end, the pull rod stretches out and is equipped with the device dish in the hydro -cylinder body section, be equipped with the spring between device dish and the hydro -cylinder dish, the outside of device dish is provided with stop nut, stop nut threaded connection is on the pull rod, be equipped with the oiling valve on the right -hand member face of pull rod, be equipped with the stop collar between the device dish and the hydro -cylinder body, the stop collar is installed on the pull rod, the uide bushing has been cup jointed in the plunger shaft extension hydro -cylinder body section, uide bushing and hydro -cylinder body fixed connection, be provided ...

Track tensioning device of metal guide ring

The utility model relates to a track tensioning device of metal guide ring belongs to excavator overspeed device tensioner field, including the hydro -cylinder body that has the hydro -cylinder dish, one end at the through -hole is equipped with the pull rod, the other end at the through -hole is equipped with the plunger axle, inside the opening of plunger axle has the oil filler point, the pull rod is equipped with the fork ring on stretching out hydro -cylinder body section, be equipped with the spring between hydro -cylinder dish and the fork ring, the through -hole department of hydro -cylinder sinistron end is equipped with the echelonment inside groove, the inside of echelonment inside groove is provided with the metal guide ring, the outside of metal guide ring is the echelonment, be provided with the wearing layer on the inner wall of metal guide ring, the left side of metal guide ring is provided with the dust ring, U -type sealing ring is installed to plunger axle right -hand ...

Aggregation pheromone attractant for attracting east false-dentate bark beetle

The invention provides an aggregated pheromone attractant for trapping oriental Ips, which is used to monitor and trap the oriental Ips and composed of 46%-85% of (plus/minus) bark beetle-enol or (minus)-bark beetle-enol, 10%-30% of cis-verbena enol, 5%-20% of trans-verbena enol, and 0%-4% of bark beetle-dienol. The components of the attractant are evenly mixed and cased into the polyethylene plastic bag-type, bottle-type, rubber-plug-type and other release carriers (induced core) for use. The invention belongs to the natural volatile organic substances and has stable structure and stable chemical properties of atmospheric pressure and ambient temperature; compared with conventional chemical control, the aggregated pheromone attractant is non-toxic, non-polluting and highly efficient, which is safe for the environment and the natural enemies; moreover, the invention can be used for species dynamic monitoring and production prevention and control of large-scale trapping in the oriental Ips ...

Rubber permeability detecting method of conveyor belt of wire rope cord

The invention relates to a rubber permeability detecting method of a conveyor belt of a wire rope cord. The method comprises the steps of: immersing a sample to be treated in brine; rotating the treating sample for a period of time under the action of a driving main shaft; and then observing the corrosion degree of the sample. By the method, and the permeation and filling effect of rubber on the wire rope cord is evaluated according to salt residues after the brine is evaporated on the surface of a wire rope. The method has the advantages of small errors, high accuracy and convenient and intuitional detection.

Flying insect trap

An insect trap (100) having a transparent or translucent entrapment chamber (110) with a closed upper end, an entry cone (130) disposed therein, a base (140) removably attachable to the entrapment chamber, and a lower container (180) for holding a liquid attractant removably attachable to the base (140), such that evaporating attractant from the container enters the entrapment chamber. The base includes a plurality of entry apertures (150) adapted to permit target insects to enter the trap. A support such as a slotted cone (160) is disposed in the entrapment chamber, and supports a vial (170) of solid attractant. The liquid and solid attractants are able to mix in the trap, and gradually escape through the entry apertures, to generate a plume to attract the target insects toward the entrance apertures.

Underwater full-vector propulsion device

The underwater full-vector propelling device comprises a shell, a full-vector adjusting mechanism and a propeller motor, the full-vector adjusting mechanism and the propeller motor are arranged in the shell, the propeller motor is fixed to the output end of the full-vector adjusting mechanism, and a propeller is arranged at the shaft output end of the propeller motor. The full-vector adjusting mechanism comprises a linear adjusting mechanism and a rotary adjusting mechanism, the linear adjusting mechanism is installed at the output end of the rotary adjusting mechanism, and the propeller motor is installed at the output end of the linear adjusting mechanism. The problem that a plurality of propellers need to be installed on an existing underwater vehicle to control the sailing direction of the existing underwater vehicle is solved, the direction of propellers is changed through two-degree-of-freedom mechanical transmission, the movement flexibility of the propellers is improved, and the ...

Energy storage system model test device and method for simulating pumped storage and compressed air

The invention discloses an energy storage system model test device and method for simulating pumped storage and compressed air, and relates to the field of energy storage. Comprising a gas inlet device, and the gas inlet device is connected with a high-pressure container through a gas inlet pipeline and used for providing high-pressure gas for the high-pressure container; the water tank is connected with the high-pressure container through a water inlet pipeline and used for providing water for the high-pressure container. The high-pressure container is connected with the hydraulic turbine through a water outlet pipeline, and water flowing out of the high-pressure container drives the hydraulic turbine to rotate. A main shaft of the hydraulic turbine is coupled with a generator rotor through a transmission belt to drive the generator rotor to rotate and cut a magnetic coil of a generator stator, and high-voltage electricity is generated in the generator coil according to the electromagnetic ...

Multi-point back synchronous injection method of double circular shield tunnel

The invention relates to the technical field of safety protection of shield construction, in particular to a multi-point back synchronous injection method of a double circular shield tunnel. The method relates to a pipe piece structure forming the double circular shield tunnel; the wall of the pipe piece structure is provided with an injection hole which is internally provided with a total station; and the invention is characterized in that the method carries out synchronous injection by at least two injection holes. The multi-point back synchronous injection method has the advantages of: avoiding the defects that the ground settlement is large and the tunnel deflection control is difficult, improving the construction quality of the double circular shield tunnel, reducing the operation difficulty and construction risk of operators of the double circular shield tunnel and being beneficial to site construction management.

Integrated coal and gas adsorption and desorption and outstanding test device and test method

The invention discloses an integrated coal and gas adsorption and desorption and outburst test device which comprises a cylindrical coal sample room, wherein a plurality of pressure and temperature sensors are arranged on the outer wall of the coal sample room, hydraulic loading and inflating equipment is fixedly mounted at one end of the coal sample room, a coal and gas spout is formed in the other end of the coal sample room, and a quick release mechanism is arranged at the coal and gas spout; the hydraulic loading and inflating equipment comprises a piston rod, a piston matched with an inner cavity of the coal sample room is arranged on the piston rod, the tail end of the piston rod is connected with a surface type inflatable loading disc, the piston and the surface type inflatable loading disc are respectively positioned in two independent cavities in the coal sample room, and the piston and a space between the surface type inflatable loading disc and a longitudinal partition plate ...

Prepn of high-purity silica gel microball with homogeneous size as efficient liquid phase chromatographic stuffing

The preparation of the high-purity silica gel microball features the preparation process including the hydrolysis of mixture of ethyl silcate, ethanol and deionized water while adding ammonia water to regulate pH value so as to obtain homogeneous and semi-transparent polytetraethoxy silane solution; evaporation to eliminate ethanol; regulating pH value with concentrated hydrochloric acid and adding mixed urea formaldehyde solution to polymerize; and burning composite organic-inorganic particle to eliminate organic matter to obtain silica gel microball of 3-10 micron size. The silica gel microball of the present invention is used as efficient liquid phase chromatographic stuffing.

Multi-point back synchronous injection method of double circular shield tunnel

The invention relates to the technical field of safety protection of shield construction, in particular to a multi-point back synchronous injection method of a double circular shield tunnel. The method relates to a pipe piece structure forming the double circular shield tunnel; the wall of the pipe piece structure is provided with an injection hole which is internally provided with a total station; and the invention is characterized in that the method carries out synchronous injection by at least two injection holes. The multi-point back synchronous injection method has the advantages of: avoiding the defects that the ground settlement is large and the tunnel deflection control is difficult, improving the construction quality of the double circular shield tunnel, reducing the operation difficulty and construction risk of operators of the double circular shield tunnel and being beneficial to site construction management.

Display method, terminal equipment and vehicle

The embodiment of the invention provides a display method, terminal equipment and a vehicle, and the method comprises the steps: displaying vehicle-mounted information in a display interface of the terminal equipment according to a first display mode; detecting a control operation for the target vehicle control device; and when the control operation meets an exit condition, exiting the first display mode. According to the technical scheme provided by the embodiment of the invention, the problem that mistaken touch operation is easily caused when the control in the display interface is manually touched to exit the full-screen display information is solved, and the rationality when the full-screen display information exits is improved.

Vehicle environment information processing method and device, electronic equipment and storage medium

The invention provides a vehicle environment information processing method and device, electronic equipment and a storage medium, and the method comprises the steps: determining the occurrence of an event that a rear-row vehicle door is opened from the interior of a vehicle and the first time of the event; at second time, processing the environment sensing data of the vehicle to obtain an environment processing result; the start of the second time is earlier than the start of the first time, and a first time interval is formed between the start of the second time and the start of the first time; determining target motion state information of the target object according to the environment processing result; and when triggering that the rear-row vehicle door is opened from the interior of the vehicle is received, target motion state information of the target object is displayed. According to the scheme, the environment sensing data of the vehicle is processed in advance, so that when the ...

Anti-condensation structure of building water supply and drainage pipeline

The invention discloses a building water supply and drainage pipeline anti-condensation structure which comprises a pipeline wrapping structure, a support and a base, the pipeline wrapping structure wraps a water supply and drainage pipeline and sequentially comprises a heat preservation cotton layer, a drying layer and an outer sleeve from inside to outside, the drying layer is of a hollow structure, and a solid wood layer is fixedly attached to the inner wall of the side, facing the outer sleeve, of the drying layer; the base is fixedly arranged on a pipeline arrangement node, and the support is arranged between the base and a water supply and drainage pipeline. The pipeline wrapping structure of the anti-condensation structure of the building water supply and drainage pipeline comprises the wrapping heat preservation cotton layer, the drying layer and the outer sleeve, the phenomenon of condensation on the pipe wall can be effectively prevented, and the service life of the pipeline can ...

Method for prepn. of high-purity silica gel microball with homogeneous size as high efficiency liquid chromatographic filler

Green plant hanging mortar rubble ecological surface protecting wall and construction method thereof

The invention relates to a green plant hanging mortar rubble ecological surface protecting wall and a construction method thereof. The scheme comprises the following steps: S00, surface protecting wall construction; s10, construction of planting grooves in the side face of the surface protecting wall; s20, wall top planting groove construction; s30, a rainwater guide and drainage plate and a rainwater collection tank at the top of the planting tank are constructed; and S40, the prefabricated ecological side ditch is constructed. Various convenient construction structures are provided, and the construction efficiency can be improved.

Method for testing performance of strong anion exchange solid-phase extracting column

Simulation multiple lightning stroke test system

The utility model discloses a test system for simulating multiple lightning strokes. Lightning stroke test field, the test system comprises a console, a plurality of simulated lightning stroke generators and a test object table, the console is connected with the simulated lightning stroke generator through an optical fiber; the output end of the simulated lightning stroke generator is arranged onthe test object table; the simulation lightning stroke generator is an impulse voltage generator or an impulse current generator. The multi-lightning stroke simulation test can simulate the multi-lightning stroke multi-intensive discharge process. Lightning protection effects of various existing lightning protectors under multiple lightning stroke working conditions are truly tested and reflected,the action interval time of the adopted power electronic driving device can reach the microsecond level, the requirement for multiple return stroke interval time can be completely met, the experimentprocess ...

一种毛细管等电聚焦电泳中控制电渗流的方法及其装置

The present invention discloses a method for controlling electroosmotic flow in capillary isoelectric focusing electrophoresis and its equipment. It is characterized by that it adopts freeze method to freeze local fluid in the capillary to make focusing of fluid, then adopts the method of heating capillary to defreeze the solid mobile phase in the capillary and restore the transmission of fluid in the capilalry, so that the flowing-out of the sample can be batch implemented, and the focusing effect of the capillary isoelectric focusing electrophoresis can be greatly raised, and the flowing form in the column is wedge-shaped, and its separation effect is good. On the proper position of capillary separation column a heating device and a freezing device are set.

Sex attractant for orgyia ericae germars

The invention relates to a sex attractant for orgyia ericae germars. The active constituents of the sex attractant for orgyia ericae germars comprise the following components: 0.025-1.00 part by weight of cis-6-heneicosene-11-ketone and 0.250-5.00 parts by weight of cis-6, cis-9-diheneicosene-6, 9-diene. The invention finds the formula of the sex attractant for orgyia ericae germars, which can effectively induce the orgyia ericae germars, has the same strong induction capability for both male moths and live female moths, and simple preparation process and convenient use. The invention can be used for monitoring, predicting and forecasting the emergence period of the orgyia ericae germars, thereby accurately knowing about the emergence as well as the growth and decline situations of orgyiaericae germars in forests in time and providing scientific proof for effectively preventing and treating in due time. The invention can also be used for production as well as prevention and treatment, such ...

6 tonne pneumatic tyred excavator uses central swivel joint

The utility model relates to a 6 tonne pneumatic tyred excavator uses central swivel joint belongs to excavator drive disk assembly field, turn round epaxial rotary casing including revolving axle and cover, gyration casing top is provided with the end cover, be provided with a plurality of axial oil grooves and axial gas tank in the revolving axle, the gyration is provided with a plurality of annular oil groove and annular gas tanks that communicate with axial oil groove and axial gas tank respectively on the shells inner wall, every annular oil groove and annular gas tank both sides all are provided with the rotatory combined seal ring of high pressure, be equipped with the rotatory combined seal ring of twice high pressure between the adjacent two rings shape gas tank, and be equipped with the hoop lubrication groove between the rotatory combined seal ring of twice high pressure, be equipped with axial draining hole on the revolving axle, axial draining hole and hoop lubrication groove ...

Dendroctonus armandi dendroctonus attractant and preparation method thereof

The invention relates to a dendroctonus armandi dendroctonus attractant. The active ingredients of the dendroctonus armandi dendroctonus attractant are aggregation pheromone and host kairomone. The dendroctonus armandi dendroctonus attractant comprises the following components with the following releasing rates: trans-verbenol (tV) being 0-10mg/d, 3-methyl-2-cyclohexene-1-alcohol (SD) being 0-3mg/d, 7-ethyl-5-methyl-6, 8-bioxygen bicyclo-[3,2,1] octane (EBV) being 0-3mg/d and 1-methyl-2-cyclohexene-1-alcohol (MCOL) being 0-3mg/d, alpha-pinene being 0-500mg/d, delta3-carene being 0-100mg/d, beta-pinene being 0-100mg/d, limonene being 0-100mg/d and beta-myrcene and (+)-longifolene being 0-100mg/d. The dendroctonus armandi dendroctonus attractant can effectively attract dendroctonus armandi dendroctonus and has extremely high in attraction to bisexual adult insects; the preparation technology is simple and the dendroctonus armandi dendroctonus attractant is convenient to use.

Method and dispenser for controlled release of semiochemicals

A method and a package for releasing volatiles of a semiochemical at a controlled or pre-selected rate are disclosed. The package containing the semiochemical includes at least one portion that is permeable to the volatiles. In some embodiments, the package is formed as a stick pack, and includes a plurality of micro-perforations having characteristics, such as size, density, and shape, that are selected to achieve a desired release rate. In an embodiment, the package is formed from a plurality of laminae, and at least one of the laminae is formed from a material that is selected for its permeability to the semiochemical volatiles. In an embodiment, the package includes a portion that is peeled away to expose a layer that is permeable to the semiochemical volatiles.

Method for deeply reducing and repairing ginseng continuous cropping soil and soil repairing agent

The invention belongs to the technical field of soil remediation, and relates to a ginseng continuous cropping soil deep reduction remediation method and a soil remediation agent.The soil remediation agent comprises a soil remediation agent A and a soil remediation agent B; wherein the soil remediation agent A comprises purple perilla, celandine, herba epimedii, asarum, madder and crop straw; the soil remediation agent A is ethanol, the soil remediation agent B is ethanol, the soil remediation agent B is diluted until the volume percentage is 1% before use, and when ginseng continuous cropping soil is subjected to deep reduction remediation, the soil remediation agent A is scattered on the surface of the pretreated soil, and the soil is ploughed by a rotary cultivator; uniformly sprinkling a soil remediation agent B diluted to 1% on the ploughed soil until the soil is saturated; covering with a plastic film for at least four weeks, and then uncovering the film, ventilating and airing. The ...

Magnetic fluid wave energy power generation and hydrogen production system and control method

The invention provides a magnetofluid wave energy power generation and hydrogen production system and a control method, and the magnetofluid wave energy power generation system comprises a wave energy capturing system which is used for capturing wave energy; the hydraulic energy storage system is connected with the wave energy capturing system and comprises a hydraulic cylinder assembly and an energy storage assembly, the hydraulic cylinder assembly is used for converting the captured wave energy into hydraulic energy, and the energy storage assembly is used for storing the hydraulic energy; the magnetohydrodynamic generator system is connected with the hydraulic energy storage system and is used for performing low-voltage power generation by utilizing the hydraulic energy output from the hydraulic energy storage system; the first centralized control system is connected with the wave energy capturing system, the hydraulic energy storage system and the magnetofluid power generation system ...

Method and system for measuring and calculating elastic modulus of rock elastic medium

The invention relates to a rock elastic medium elasticity modulus measuring and calculating method and system. The method comprises the steps that rock elastic deformation process data information is obtained; generating a rock stress-strain curve based on the rock elastic deformation process data information; establishing a hyperbolic model of the rock stress-strain curve based on the rock stress-strain curve; and measuring and calculating the elastic modulus of the rock elastic medium based on the hyperbolic model of the rock stress-strain curve. According to the method, the elastic modulus of the elastic medium of the rock can be measured and calculated only by the stress-strain curve of the rock uniaxial loading elastic deformation process, and the method has an important promoting effect on improvement of a deep nonlinear rock mechanical system.

Rock nonlinear elastic constitutive model construction method considering porosity

The invention discloses a porosity-considered rock nonlinear elastic constitutive model construction method, which comprises the following steps: carrying out an indoor rock uniaxial compression test to obtain a rock elastic deformation stress-strain relation curve; based on the rock elastic deformation stress-strain relation curve, constructing a rock elastic deformation stress-strain hyperbolic model, and determining parameters of the rock elastic deformation stress-strain hyperbolic model; according to parameters of the rock elastic deformation stress-strain hyperbolic model, a quantitative relation between the model parameters and physical and mechanical indexes is obtained; and based on the quantitative relationship between the model parameters and the physical and mechanical indexes, establishing the rock nonlinear elastic constitutive model considering the porosity. Unified quantitative description of the compaction stage and the linear elastic stage in the rock elastic deformation ...

Industrial data multi-layer nested protocol analysis method and analysis system

The invention discloses an industrial data multi-layer nested protocol analysis method and system, and the method comprises the steps: S1, building a long connection between an acquisition terminal and an acquisition platform, and storing the link configuration information, and the protocol information of each acquisition terminal and communication equipment; s2, establishing a multi-layer nested protocol parse tree, wherein the multi-layer nested protocol parse tree forms a tree structure by a plurality of protocol parsers; s3, when a data packet reported by the acquisition terminal is received, acquiring a first protocol analyzer according to the link configuration information, performing first-layer protocol analysis by the first protocol analyzer, and judging whether protocol nesting exists or not according to the analyzed data; if yes, determining a next-layer protocol type and a second protocol analyzer, and performing protocol analysis by the second protocol analyzer; and judging ...

Ultrawear-resistant rubber conveyer belt cover rubber and preparation method thereof

The invention relates to ultrawear-resistant rubber conveyer belt cover rubber which is prepared from the following materials in parts by weight: 65-75 parts of butadiene rubber, 25-35 parts of nature rubber, 42-52 parts of reinforcing agent, 0.8-2.5 parts of vulcanizer, 5-8 parts of antiager, 1-2.5 parts of dispersing agent, 1.5-3.0 parts of coupling agent, 3-5 parts of active agent and 1-3 parts of accelerator. The invention also discloses a preparation method of the ultrawear-resistant rubber conveyer belt cover rubber. A conveyer belt prepared by adopting the technical scheme can improve the wear resistance, lower the wear resistance, and achieve better cover rubber strength and elongation at break.

Improved structure of wire basket of bicycle and motorcycle

The utility model relates to an improved structure of an article basket of a bicycle and a motorcycle. The utility model is characterized in that a sleeve ring is sheathed with the upper part of a pulling net; a chassis is assembled with the lower part of the pulling net, so that sharp edges at both ends of the pulling net is sleeved and not exposed. The processing procedure of edge removing is saved. In addition, the binding sites among the pulling net, the sleeve ring and the chassis have a favorable positioning effect. The favorable positioning effect contributes to applying welding fixation on the contacting surfaces of each other, so that the pulling net, the sleeve ring and the chassis are combined into one body. Therefore, favorable combination strength is provided among both ends of the pulling net, the sleeve ring and the chassis. Moreover, the connected edges are flat. The utility model effectively solves the problems that rough edges can be easily generated at the combining positions ...

Use of double-phenyl hybridization silica gel material monolithic column in chromatogram

The invention relates to a chromatographic analysis technology, in particular to the application of bi-phenylene hybrid silica-gel monolithic column of bridge-bond organic-inorganic hybridization periodically meso-pore separation material in a chromatogram. The specified preparation method of bi-phenylene hybrid silica-gel material adopts a sol-gel method of acid-base catalysis. Under the condition of acid catalysis, hydrolysis reaction is carried out to a monomer, and an alkaline catalyst is added to carry out polycondensation reaction. The reaction rates of the hydrolysis reaction and the polycondensation reaction of the monomer are controlled by controlling and changing the pH value of a reaction system in the reaction process and the hydrolysis reaction and the polycondensation reaction of the monomer are effectively completely separated by the two-step catalysis method so as to obtain monolithic or particle material with uniform frame structure, suitable aperture and periodic meso-pores ...

Lead storage battery box

The invention discloses a lead storage battery box. The lead storage battery box comprises a box body, a cover plate and a box cover, wherein the inner part of the box body is hollow; a reinforced framework set is arranged between the inner wall and the outer wall of the box body; the center of the cover plate is provided with a sinking groove matched with the inner part of the box body; a plurality of rows of discontinuous first air vents are formed in the bottom of the sinking groove at intervals according to preset distances; each first air vent is provided with a water absorption layer matched with the first air vent; and a terminal connection end, an exhausting pipe and a feeding pipe fitting, which penetrate through the box cover, are arranged at the top of the box cover respectively. According to the lead storage battery box designed and developed by the invention, the disadvantages of a traditional battery box are overcome; and the yield of the box in a machining process is increased ...

A preparation method of MgO film to enhance the statistics of PDP on discharge delay time

The invention discloses a preparation method of a MgO thin film which can improve the PDP statistical discharge delay time, the invention produces the dense and orderly MgO thin film mainly by using the doped MgO crystal and setting the appropriate oxygen partial pressure preparation parameter of 0.25 multiplied by 10<-2>Pa to 0.75 multiplied by 10<-2>Pa when in evaporation of an alternating current color plasma display base plate; compared with the current general method, the invention greatly shortens the statistical discharge delay time (jitter time).

Coal mine tunnel simulated diagram computer drawing method

The invention discloses a coal mine tunnel simulated diagram computer drawing method. The coal mine tunnel simulated diagram computer drawing method comprises the following steps of 1 reading a DXF file, performing dynamic memory allocation, saving memory blocks and recording memory handles, 2 resolving memory data through the memory handles, 3 mapping an engineering coordinate to a view coordinate system, 4 firstly calculating straight line slope, using the X-axis as the axis to traverse X-axis pixel point drawing when the straight line slope is smaller than 1 and using Y-axis as the axis to traverse Y-axis pixel point drawing when the straight line slope is larger than 1. Enlargement, reduction and movement can be performed through a DXF file vector diagram, and used pictures are prevented from distorted. An installed device at any position can be found according to an actual coordinate of a tunnel, the position where the tunnel is located currently can be quickly positioned through a ...

Contact area evaluation method and system in joint surface shearing process

The invention discloses a contact area evaluation method and system in a joint surface shearing process, and the method comprises the steps: obtaining the three-dimensional shape point cloud data of a sample joint surface, and dividing the three-dimensional shape point cloud data into a plurality of grid regions; determining the number of the grid areas in contact with all the grid areas in the shearing process; and taking the proportion of the number of the contact grid regions to the number of the total grid regions as the contact area of the joint surfaces in the shearing process. According to the grid division method, whether the small grid areas are in contact or not is judged firstly, then the overall contact area of the whole measured joint surface is counted, and the method is quite high in accuracy and has quite high application guiding significance in specific engineering examples.

High rotational speed rotary joint of single channel high pressure

The utility model relates to a high rotational speed rotary joint of single channel high pressure belongs to excavator drive disk assembly field, including revolving axle and cover at the epaxial rotation shell of gyration, be provided with the axial oil groove in the revolving axle, the revolving axle outside is equipped with annular oil groove, the annular oil groove of axial oil groove intercommunication, annular oil groove is equipped with high -pressure rotary combined sealing washer along axial both sides, the revolving axle lower part is equipped with the location shaft shoulder, revolving axle upper portion threaded connection has the round nut, adopts the location shaft shoulder and round nut axial positioning, can not be because of direction of rotation's change when high -speed rotation, and result in the pine of nut to take off, the below of the location shaft shoulder is equipped with the flange. The utility model discloses can effectively avoid the fluid seepage, prevented ...

Ship-like water surface repeater and operation method thereof

A ship-like water surface repeater disclosed by the present invention comprises a repeater body, and a control system and a monitoring mechanism installed above the repeater body, the midship part of the repeater body is provided with a monitoring groove, the groove bottom surface of the monitoring groove is an inclined plane, and the lower part of the inclined plane is provided with a monitoring port communicated to the bottom side of the repeater body. The deploying and controlling mechanism comprises an electric winch, a placement warehouse, a slide way and an underwater robot, the electric winch is arranged on the repeater body, the slide way is arranged on the inclined plane, the placement warehouse is slidably installed on the slide way, the underwater robot is placed in the placement warehouse, and the electric winch is in transmission connection with the underwater robot; the control system is in signal connection with the underwater robot and the electric winch, so that the blocking ...

Multi-resolution grid compact retardation potential analyzer and detection method

The invention provides a multi-resolution grid compact type retardation potential analyzer and a detection method. The multi-resolution grid compact type retardation potential analyzer comprises a machine shell and a plurality of independent and same branch retardation potential analyzers which are arranged in the machine shell at intervals, wherein each branch retardation potential analyzer comprises a shell, a circuit board and a multi-layer grid mesh structure in the shell, and a control module for controlling the branch retardation potential analyzer is arranged on the circuit board. Through the design of a plurality of independent and identical branch retardation potential analyzers, the resolution ratio of the whole sensor is flexible and adjustable.

True-triaxial coal and gas adsorption-desorption and outburst test device system and test method

The invention discloses a true-triaxial coal and gas adsorption-desorption and outburst test device system. The true-triaxial coal and gas adsorption desorption and outburst test device system comprises a cylindrical coal sample chamber structure which is formed by sequentially connecting a plurality of cylindrical units, wherein a plurality of pressure and temperature sensors are uniformly arranged on the outer circumference of each cylindrical unit, four loading devices are symmetrically arranged on the outer circumference of each cylindrical unit, the loading devices stretch into an inner cavity of each cylindrical unit along the radial direction of the cylindrical unit to be connected with loading plates, and lateral stress is applied to briquette coal in the inner cavity of each cylindrical unit by the loading plate; two ends of the cylindrical coal sample structure are respectively provided with a counterforce cover, a surface-type inflating loading disc with the inner side surface ...

Modified mixed Zr-Mg gel with fixed liquid-phase chromatic spectrum and its preparation

The fixed phase is prepared through the first synthesis of mixed spherical micron-level zirconia and magnesia gel by means of sol-gel technological process and the modification of the gel with organophosphorus compound. The fixed phase has good chemical stability and may be used in pH 1-13 flow phase. The present invention solves problem of tailing chromatic peak of alkali compound, has high separation effect, mild condition, simple operation and no pollution and the solvents used may be recovered.

Method for detecting rolling resistance coefficient of conveyer belt

The invention relates to a method for detecting the rolling resistance coefficient of a conveyer belt, which comprises the following steps of: putting a movement roller of a conveyer belt resistance detector at the middle of a sample block to be detected, so that a pendulum bob is vertical and downward; manually rotating the movement roller, so that the outer end of the a starting angle rod of the conveyer belt resistance detector is contacted with the place of the sample; and not controlling the movement roller and recording the time when the pendulum bob stops. The method can detect and compare the rolling resistance coefficient of cover rubber of the conveyer belt to define the energy consumption condition of the conveyer belt in practical service, is simple in operation, and has a more realistic detection result.

改性锆-镁混合凝胶液相色谱固定相及其制备方法

... 本发明公开了一种有机磷化合物改性氧化锆-氧化镁混合型凝胶液相色谱固定相及其制备方法，这种固定相是先用溶胶-凝胶技术合成氧化锆-氧化镁混合型球型微米级凝胶，再将此凝胶经有机磷化合物改性后所得，这种固定相化学稳定性好，可用于pH1～13的流动相，解决了碱性化合物色谱峰的拖尾问题，分离效果好，该方法条件温和，操作简单，避免了传统方法的污染问题，而且所用溶剂均可回收使用。 ...

Lead storage battery box body die

The invention discloses a lead storage battery box body die, which comprises a lower module group, wherein the lower module group is a hollow rectangle, the rectangle is separated to at least three chambers by separator plates; a middle module group, wherein, at least three middle modules respectively corresponding to the chambers are arranged on the middle module group, and a first liquid pouring pipeline passing through the middle modules are arranged on the middle module group; and an upper module group, wherein at least three upper modules respectively corresponding to the chambers are arranged on the upper module group, and the upper module comprises three sub-upper modules arranged with preset interval distance. The lead storage battery box body die can overcome the disadvantages of a traditional box body die, the product through injection moulding has the advantages of high yield, long usage life, strong stability, strong intensity and strong tolerance, can be adapted to various ...

Operation vehicle path tracking control method and device, electronic device and storage medium

The invention relates to an operation vehicle path tracking control method and device, an electronic device and a storage medium, and the method comprises the steps: starting a navigation system after an operation vehicle goes on a tracking path; the GPS antenna determines a frequency sending discrete path point coordinate set S; loading a discrete target path track point, and searching a discrete path point Si closest to the current vehicle position; carrying out filtering processing on a point set near the discrete path point Si; solving the path curvature at the path point after filtering processing; rotating and translating the local coordinate system of the vehicle; estimating a current wheel rotation angle according to the vehicle driving track and the vehicle state space model; and according to the path curvature, performing tracking control on the operation vehicle path. According to the invention, the problem of low accuracy and stability of tracking control of the working vehicle ...

Rubber permeability detecting method of conveyor belt of wire rope cord

The invention relates to a rubber permeability detecting method of a conveyor belt of a wire rope cord. The method comprises the steps of: immersing a sample to be treated in brine; rotating the treating sample for a period of time under the action of a driving main shaft; and then observing the corrosion degree of the sample. By the method, and the permeation and filling effect of rubber on the wire rope cord is evaluated according to salt residues after the brine is evaporated on the surface of a wire rope. The method has the advantages of small errors, high accuracy and convenient and intuitional detection.

Electrical heating tube

The invention discloses an electrical heating tube. The electrical heating tube comprises a tube body for delivering liquids, which is covered with a layer of netty tubular heating carrier. The heating carrier is a netty heating layer formed by mixing weaving of carbon fiber heating filaments and fire-proof anti-flaming filaments. According to the electrical heating tube, the carbon fiber heating filaments and the fire-proof anti-flaming filaments which can be woven are mixed and woven into the netty tubular heating carrier, carbon fibers and filaments are high in machinable process and good in toughness, and the mixed heating carrier tortuosity and machining process can be greatly improved by the netty woven structure, so that the technical problem that thermal compensation cannot be performed on tube body joint portions only through one carrier is solved.

Use of double-phenyl hybridization silica gel material monolithic column in chromatogram

The invention relates to a chromatographic analysis technology, in particular to the application of bi-phenylene hybrid silica-gel monolithic column of bridge-bond organic-inorganic hybridization periodically meso-pore separation material in a chromatogram. The specified preparation method of bi-phenylene hybrid silica-gel material adopts a sol-gel method of acid-base catalysis. Under the condition of acid catalysis, hydrolysis reaction is carried out to a monomer, and an alkaline catalyst is added to carry out polycondensation reaction. The reaction rates of the hydrolysis reaction and the polycondensation reaction of the monomer are controlled by controlling and changing the pH value of a reaction system in the reaction process and the hydrolysis reaction and the polycondensation reaction of the monomer are effectively completely separated by the two-step catalysis method so as to obtain monolithic or particle material with uniform frame structure, suitable aperture and periodic meso-pores ...

Aggregation pheromone attractant for attracting east false-dentate bark beetle

The invention discloses an aggregation pheromone attractant for attracting Ips nitdus Eggers to trap and kill Ips nitdus Egger, composed of following ingredients: 2-methyl-3-buten-2-ol of 65-90%, (+/-)-ipsdienol of 2-20%, (S)-cis-verbenol of 1-10% and trans-verbenol of 0-5%. The ingredients of the attractant provided by the invention are mixed well, and loaded in delivery carriers (attracting cores) of PE plastic bag type, bottle type, rubber stopper type, etc. to use. The invention belonging to natural volatile organic substance has stable structure, and stable chemical property at normal temperature and pressure, compared with normal chemical control, has the characteristics of no toxicity, no pollution, high efficiency, safety to environment and natural enemies, and is suitable for the monitor of the emergence period, emergence zone, population dynamics of Ips nitdus Eggers and production control of large-area trapping and killing.

Detection reagent, detection method and detection instrument for proteins

The invention discloses a detection reagent, a detection method and a detection instrument for proteins. The reagent is prepared by the following steps: dissolving 0.1 to 10 weight parts of acid orange-12 into 1 to 500 weight parts of buffer solution of phosphoric acid; adding 1 to 500 weight parts of glacial acetic acid; and finally, diluting with 1 to 5,000 weight parts of water, and oscillating and mixing to obtain the detection reagent for the proteins. Compared with the traditional method, the detection method can effectively detect the content of true proteins, and detect the proteins in a wide range; and the detection accuracy is basically not interfered by non-protein nitrogen-containing compounds such as carbamide and melamine. The instrument has small structure, and is convenient to carry. The detection reagent, the detection method and the detection instrument can be widely applied to quick detection of milk products in the basic level and on the spot.

Method and device for controlling opening and closing of vehicle door or vehicle window

The invention provides a method and device for controlling the opening and closing degree of a vehicle door or a vehicle window of a vehicle. The method comprises the steps that a track signal of sliding operation is received; detecting a sliding distance corresponding to a sliding operation from the track signal; the opening and closing degree of the vehicle door or the vehicle window is obtained according to the sliding distance; and the vehicle door or the vehicle window is controlled to be opened or closed to the opening and closing degree. According to the method and the device, the use feeling of a user can be improved, and the use convenience is improved.

Double-probe electron density diagnosis method and system based on long short-term memory network

The invention provides a double-probe electron density diagnosis method and system based on a long short-term memory network, and relates to the field of plasmas. Comprising the following steps: building a plasma simulation vacuum bin, acquiring I-V characteristic curve data of double probes, and calculating the electron density of three probes at the same position; constructing a bidirectional long-short-term memory network model, and training the bidirectional long-short-term memory network model by taking the dual-probe I-V characteristic curve data as an input characteristic and taking the three-probe electron density as a label to obtain a trained bidirectional long-short-term memory network model; and inputting to-be-tested dual-probe I-V characteristic curve data into the trained bidirectional long-short-term memory network model, and outputting a diagnosis result. The dual-probe I-V characteristic curve data at the same position is used as the characteristic, the three-probe Ne ...

MODIFIED IMMUNE CELLS EXPRESSING FLAGELLIN POLYPEPTIDE

Provided are modified immune cells expressing a flagellin polypeptide capable of binding to a toll-like receptor. The modified immune cell further comprises an engineered receptor. Also provided are methods and pharmaceutical compositions for cancer treatment using the modified immune cells. 1. A modified immune cell comprising a first heterologous nucleic acid sequence encoding a flagellin polypeptide comprising a flagellin protein or a fragment thereof , wherein the flagellin polypeptide upon expression is capable of binding to a toll-like receptor.23-. (canceled)4. The modified immune cell of claim 1 , wherein the flagellin polypeptide comprises an N-terminal domain comprising Motif N of a flagellin protein and a C-terminal domain comprising Motif C of the flagellin protein claim 1 , wherein the N-terminal domain and the C-terminal domain are fused to each other via a peptide linker.5S. typhimurium, S. muenchenE. coli.. The modified immune cell of claim 1 , wherein the flagellin polypeptide comprises all or a portion of a flagellin protein from claim 1 , or6. (canceled)7. The modified immune cell of claim 1 , wherein the flagellin polypeptide comprises an amino acid sequence having at least about 85% sequence identity to an amino acid sequence selected from the group consisting of SEQ ID NOs: 12 claim 1 , 14-16 claim 1 , 20 claim 1 , 22-24 claim 1 , and 28-32.8. (canceled)9. The modified immune cell of claim 1 , wherein the toll-like receptor is selected from the group consisting of TLR4 claim 1 , TLR5 claim 1 , TLR11 claim 1 , TLR2 claim 1 , TLR3 claim 1 , and TLR9.10. The modified immune cell of claim 1 , wherein the flagellin polypeptide is membrane-bound.11. The modified immune cell of claim 10 , wherein the flagellin polypeptide is bound to the membrane via a glycosylphosphatidylinositol (GPI) linker or a transmembrane domain.12. (canceled)13. The modified immune cell of claim 11 , wherein the flagellin polypeptide is bound to the membrane via a ...

Multi-tube recoil arc plasma extinguishing device and lightning rod

本实用新型公开了一种多管反冲熄灭电弧等离子体装置及避雷针，属于防雷技术领域，包括接闪线、反冲口、裙边、支撑体和若干个反冲单元。本实用新型可以提升防雷装置安全能力，通过阻断电弧注入实现灭弧；本等离子体装置安装在避雷针上，雷击闪络电弧进入装置中，在装置内逐级的削弱电弧，因此，大部分电弧被熄灭，小部分电弧随着引雷杆泄入大地，所以该装置起到了减小雷电流的泄流裕量的效果。被保护的杆塔或建筑降低了遭受雷击的危险，被保护程度提高；同时本实用新型应用范围广，该结构与避雷针相互结合使用，可应用于任何避雷针上，保护了电气设备、杆塔、输电线路、通信设备等，保护了电力系统的安全。

Electric power system liquid leakage detection device and electric power robot system of patrolling and examining

本实用新型公开了一种电力系统液体泄漏检测装置，包括液体泄漏电缆、信号采集单元、处理器单元、无线通信单元、光伏电池单元和储能单元；信号采集单元的输入端与液体泄漏电缆相连，信号采集单元的输出端与处理器单元相连，储能单元的输入端与光伏电池单元相连，储能单元的输出端与处理器单元相连，光伏电池单元与处理器单元相连，无线通信单元与处理器单元通讯连接；储能单元包括超级电容。本实用新型还公开了一种电力机器人巡检系统，包括巡检机器人本体，还包括如上的电力系统液体泄漏检测装置，处理器单元通过无线通信单元与巡检机器人本体无线通讯相连。本实用新型的装置及系统具有结构简单、成本低且液体泄漏检测精准等优点。

Thermally conductive member, optical module, radiator and preparation method for thermally conductive member

This application provides a heat conducting member, an optical module (01), a heat sink (02), and a method for preparing the heat conducting member, and relates to the field of electronic device technologies, to reduce thermal contact resistance between the optical module (01) and the heat sink (02) and improve a scratch resistance capability of a heat conducting surface (11). The heat conducting member provided in this application includes a substrate (10) and a heat conducting layer (20). The substrate includes a heat conducting surface (11). The heat conducting layer includes a transition layer (21) and a protective layer (22). The transition layer (21) is disposed on the heat conducting surface (11), and the protective layer (22) is disposed on a surface that is of the transition layer (21) and that is away from the heat conducting surface (11). Roughness Ra of the protective layer (22) is less than or equal to 0.4. The transition layer (21) can provide a hardness transition function between the substrate (10) and the protective layer (22), to facilitate improving overall hardness of the heat conducting member. The protective layer (22) may ensure surface hardness, to prevent an undesirable situation such as a scratch. In addition, due to good corrosion resistance of the protective layer (22), in some harsh environments, the protective layer (22) can maintain the roughness of the protective layer (22), which helps ensure heat conduction performance of the heat conducting member.

Test system and method for measuring efficiency of underground coal gasification

The present disclosure provides a test system and a method for measuring efficiency of underground coal gasification, and relates to the technical field of underground coal gasification, comprising a gasification agent supply system, a gasifier, an outlet and recycling system and a monitoring system, wherein the gasification agent is mainly injected into the gasifier and then chemically reacts with the coal by igniting the gasifier at a high temperature to generate gas, while after the gas passes through the outlet and recycling system, the composition and content are measured, and the monitoring system monitors an operating state of the gasifier, injection of the gasification agent and production of gas, temperature change in the gasification channel and ignition temperature and pressure gauge data.

Suitability evaluation method for developing underground coal gasification engineering by utilizing deep coal seam

Disclosed is a suitability evaluation method for developing underground coal gasification (UCG) engineering by utilizing a deep coal seam, including: acquiring basic geological conditions, engineering geological problems, hydrogeological conditions, contained coal quality, deep coal seam conditions, and heat and syngas components of unit coal gasification in a deep coal seam region to obtain scores of corresponding influencing factors; determining impact indexes of the geological condition and influencing factors; and determining the suitability of developing UCG engineering by utilizing the deep coal seam according to a comprehensive impact index. The suitability of developing UCG engineering by utilizing the deep coal seam is evaluated by a comprehensive analysis method.

Heat conducting member, optical module, heat sink, and method for preparing heat conducting member

A heat conducting member is provided. The heat conducting member provided in this application includes a substrate and a heat conducting layer. The substrate includes a heat conducting surface. The heat conducting layer includes a transition layer and a protective layer. The transition layer is disposed on the heat conducting surface, and the protective layer is disposed on a surface that is of the transition layer and that is away from the heat conducting surface. Roughness Ra of the protective layer is less than or equal to 0.4. The transition layer can provide a hardness transition function between the substrate and the protective layer, to facilitate improving overall hardness of the heat conducting member. The protective layer may ensure surface hardness, to prevent an undesirable situation such as a scratch.

Modified immune cells expressing flagellin polypeptide

Provided are modified immune cells expressing a flagellin polypeptide capable of binding to a toll-like receptor. The modified immune cell further comprises an engineered receptor. Also provided are methods and pharmaceutical compositions for cancer treatment using the modified immune cells.

Intelligent detection method for dynamic fractures in failure process of complex fractured rock mass

Environment-friendly Dust-suppression Device for Building Construction

The invention discloses an environment-friendly dust-suppression device for building construction, and the environment-friendly dust-suppression device for building construction includes a first fixed bottom plate, wherein the middle part at the top of the first fixed bottom plate is fixedly connected with a rotary joint, the side port of the rotary joint is fixedly connected with a first water pipe, and the first water pipe runs through and is fixedly connected with the first fixed bottom plate. In the invention, the motor is started to drive the first gear and the second water pipe to rotate, so that the adaptive rotary joint and the hollow rotary seat rotate; in the process of rotation, the adaptive rotary joint drives the second rotating shaft and the third fixed bracket to rotate, so as to realize multi-angle rotary spraying.

METHODS OF CULTURING Vδ1 T CELLS

Provided are methods of preparing engineered and non-engineered Vδ1 T cells and uses thereof. The Vδ1 T cells are useful in the treatment of various cancers, infectious diseases, and immune disorders. Also provided are methods for expanding engineered and non-engineered Vδ1 T cell populations to therapeutically useful quantities. An engineered Vδ1 T cell can be a universal donor, and can be administered to a subject with any MHC haplotype.

Device and method for real-time monitoring temperature dynamic change in destruction process of coal containing gas

Thermally conductive member, optical module, radiator and preparation method for thermally conductive member