Culture container and process for producing potato microtubers by using the same

Electric power distribution cable spooler

The utility model discloses an electric power distribution cable spooler, including the base that sets firmly weighing apparatus, install the body frame on the weighting platform of weighing apparatus, rotate on the body frame to install and change the cover, it is equipped with the articulated swing arm to change the even ring in cover lower part, the swing arm middle part is crooked to changeing the cover center, the endwise slip cartridge has the center pin in changeing the cover, the center pin lower extreme has set firmly most advanced decurrent circular cone piece, the equipartition has the track that corresponds with the swing arm on the circular conical surface of circular cone piece, the swing arm middle part sets firmly the extension piece that directed orbit extends, extend the piece tip and install the fitting piece that to follow pathway movement, install main power plant on the body frame, an elevating devic, still install cutting device on the base, include still that control ...

Device for breeding hermetia illucens by utilizing kitchen waste and method of device

The invention discloses a device for breeding hermetia illucens by utilizing kitchen waste. The device comprises a breeding bin connected with a kitchen waste solid residue output device, wherein a temperature regulating device is arranged in the breeding bin; the temperature regulating device is connected with a power supply controller. A method for breeding hermetia illucens by utilizing kitchen waste comprises the following steps: (1), feeding kitchen waste into a kitchen waste processing device and carrying out preliminary separation on grease, moisture, salts and solid substances; and (2), conveying the separated solid substances into the breeding bin, placing in infant hermetia illucens, and regulating the temperature in the breeding bin to 30 DEG C. The device disclosed by the invention has characteristics of being simple in structure, good in economic benefits, and green.

Methods for synthesizing isatoic anhydride and N-isopropyl-2-aminobenzamide

The invention provides a method for synthesizing isatoic anhydride, comprising the steps of: dropwise adding a di(trichloromethyl) carbonic ester solution into an o-aminobenzoic acid solution, refluxing for reaction to obtain the isatoic anhydride. The invention further also provides a method for synthesizing N-isopropyl-2-aminobenzamide, comprising the steps of: a) dropwise adding the di(trichloromethyl) carbonic ester solution into the o-aminobenzoic acid solution, and refluxing for reaction to obtain an isatoic anhydride solution; and b) dropwise adding isopropamide into the isatoic anhydride solution, and reacting to obtain the N-isopropyl-2-aminobenzamide. After o-aminobenzoic acid and di(trichloromethyl) carbonic ester react in an organic solvent to generate the isatoic anhydride, the N-isopropyl-2-aminobenzamide can be obtained by directly adding the isopropamide for amidation, without carrying out the steps of extraction, purification, drying and the like on the isatoic anhydride ...

Synthetic method of oxadiazon

The invention relates to the field of a pesticide synthetic process and discloses a synthetic method of oxadiazon. The synthetic method is used for synthesizing the oxadiazon by carrying out a cyclization reaction on 2,4-dichloro isopropoxy benzhydrazide and dimethyl carbonate under catalysis of sodium alcoholate. The synthetic method disclosed by the invention is carried out in the presence of catalytic amount of the sodium alcoholate by taking the dimethyl carbonate as a carbonylation ring-closing reagent; the dimethyl carbonate is not only taken as a reactant, but also taken as a reaction solvent; a reaction byproduct only has methanol, application of highly-toxic and dangerous chemical substances is avoided, and highly-toxic phosgene is not generated by decomposition, so that no pollution is caused to an environment, and therefore, the synthetic method is safe and environment-friendly, and defects of the conventional process are overcome.

Power cable spooler

The utility model discloses a power cable spooler, including the base that sets firmly weighing apparatus, install the body frame on the weighting platform of weighing apparatus, rotate on the body frame to install and change the cover, it is equipped with the articulated swing arm to change the even ring in cover lower part, the swing arm middle part is crooked to changeing the cover center, the endwise slip cartridge has the center pin in changeing the cover, the center pin lower extreme has set firmly most advanced decurrent circular cone piece, the equipartition has the track that corresponds with the swing arm on the circular conical surface of circular cone piece, the swing arm middle part sets firmly the extension piece that directed orbit extends, extend the piece tip and install the fitting piece that to follow pathway movement, install main power plant on the body frame, an elevating devic, still install cutting device on the base, include still that control main power plant and ...

Production method of pure hemp mercerized yarn

The invention provides a production method of pure hemp mercerized yarn. By the production method, the mercerized pure hemp yarn has few broken ends, excellent brute force and brightness, the deep dyeing property, level-dyeing property and penetrating property are greatly improved, the handle and smoothness are improved, the difficulty in later processes of dyeing, weaving and after finishing is reduced, and the application performance of the pure hemp yarn is integrally improved. The production method comprises the processes of singeing, reeling, mercerizing, dyeing, squeezing water, drying and rewinding, and is characterized in that the mercerizing process is as follows: yarn is put into a yarn mercerizing machine, wherein the alkalinity of treating fluid is 28-30 baume degrees, the temperature of the treating fluid is 18-22 DEG C, the applied tensile force stretching is 1-3%, the alkali dipping time is 1-3 minutes, the alkali squeezing time is 30 seconds-1 minute, time for washing with ...

SRY (Sex-determining Region of Y-chromosome) specificity TaqMan probe primer pair and real-time fluorescent SRY gene detective reagent kit

The invention relates to a SRY (Sex-determining Region of Y-chromosome) specificity TaqMan probe primer pair which comprises a first primer pair, a first probe, a second primer pair and a second probe, wherein the first primer pair comprises a positive primer and a negative primer; a nucleotide sequence of the positive primer in the first primer pair is shown in SEQ-ID-NO: 1 in a sequence table; a nucleotide sequence of the negative primer in the first primer pair is shown in SEQ-ID-NO: 2 in the sequence table; a nucleotide sequence of the first probe is shown in SEQ-ID-NO: 3 in the sequence table; the second primer pair comprises a positive primer and a negative primer; a nucleotide sequence of the positive primer in the second primer pair is shown in SEQ-ID-NO: 4 in the sequence table; a nucleotide sequence of the negative primer in the second primer pair is shown in SEQ-ID-NO: 5 in the sequence table; and a nucleotide sequence of the second probe is shown in SEQ-ID-NO: 6 in the sequence ...

Method for synthesizing 2,2-bis(hydroxymenthyl)propinonic acid

The present invention belongs to the field of fine organic synthesis. The invention uses a mixture of Ca(OH)2, Ba(OH)2, triethylamine and Ca(OH)2 or a mixture of triethylamine and Ba(OH)2 as a catalyst to prepare 2,2-hydroxymethylpropionic acid through a condensation reaction of propanal and formaldehyde under the oxidation of hydrogen peroxide or oxygen. The present invention has the advantages of fewer side reactions due to preparation of the 2,2-hydroxymethylpropionic acid under alkaline conditions, higher yield of the 2,2-hydroxymethylpropionic acid and easy realization of industrialization.

Preparation method for cathode of ballistic field-emitting display device based on porous dielectric material thin film

The invention relates to a preparation method for a cathode of a ballistic field-emitting display device based on a porous dielectric material thin film. The field-emitting cathode consists of an upper emitting electrode, a middle porous dielectric material thin film and a lower emitting electrode, wherein the porous dielectric material thin film is prepared by chemical synthesis and a physical method. The device in the invention has a simple structure, low driving voltage and electron emitting rate of over 5 percent; meanwhile, during preparation, the preparation method has the advantages that: the preparation process is simple, the material is not needed to be treated specially, the emitting cathode is not needed to be activated specially and electron emission can be performed by directly applying the driving voltage. By adoption of the process, the preparation cost is much lower than that of the prior art; and the preparation method is suitable for large-scale production.

Method for manufacturing hydrophobic color-changing transparent substrate based on soft lithography

The invention discloses a method for manufacturing a hydrophobic color-changing transparent substrate based on soft lithography, and belongs to the field of micro-nano manufacturing. The preparation method is characterized in that a metal oxide nano material with semiconductor photoelectric characteristics is selected, and large-area multi-scale graphical manufacturing is carried out on the nano material through a PDMS soft photoetching technology by utilizing the large specific surface area, light transmission, photoelectric characteristics and the like of the nano material; and the color-changeable transparent substrate with good light transmission and hydrophobicity is realized at the same time. The method not only has the characteristics of the imprinting technology, such as large area, high efficiency, low cost, simplicity and reliability, but also can realize the characteristics of antifouling, self-cleaning, photochromic and the like of the transparent substrate by utilizing the ...

Household wastewater recycling device

The invention relates to a household wastewater recycling device which is mounted between a wastewater drainage pipeline of an upper floor and a vertical soil stack of a lower floor and comprises a filtering and silt-depositing discharge pipe, a secondary filtering water treatment pipe and a water storage pipe which are sequentially communicated through overflowing pipes. Hair filters are mounted at the joints, a water supply pipe communicated with a toilet water tank is also mounted at the lower part of the water storage pipe, and the upper part of the water storage pipe is communicated with the vertical soil stack through an overflowing pipe. By modifying a drainage system of a high-rise building, the living water of users at the upper floor can provide toilet water for users at the lower floor so as to improve the water utilization and save water resources. By adopting the hair collectors, medicine-adding containers and filter structures, wastewater is sterilized and flocculated by manually ...

Preparation method for bentazone

The embodiment of the invention discloses a preparation method for bentazone, which comprises the following steps: N-isopropyl o-aminobenzamide and 2-methylpyridine sulfuric anhydride compound are reacted in a solvent to obtain sulfuric anhydride solution; triphosgene solution is dropwise added into the obtained sulfonate solution; and triphosgene solution is dropwise added into the sulfonate solution, pyridine is added, and a backflow reaction is carried out to obtain the bentazone. In the invention, the triphosgene is taken as cycle closing reagent, and the 2- methylpyridine is taken as initiator; the triphosgene is initiated and decomposed into intermediate in the presence of 2-methylpyridine, and then is subject to phosgenation with the reaction product sulfonate of the N-isopropyl o-aminobenzamide and the 2-methylpyridine sulfuric anhydride compound, so as to prepare the bentazone. In the invention, the triphosgene is taken as reacting raw material to prepare the bentazone, and the ...

Novel test -tube rack that clinical laboratory used

The utility model discloses a novel test -tube rack that clinical laboratory used, comprising a base plate, the upper surface of bottom plate is provided with reentrant angle shape bracing piece, thebar spout has been seted up to the upper surface of bottom plate, be provided with the slider in the bar spout, the upper end and the lifting supporting plate who places on the bottom plate of sliderare connected, be provided with the push rod on lifting supporting plate's the right flank, lifting supporting plate's top is provided with the layer board, it is used for inserting the jack of establishing the test tube to offer on the test tube locating plate, the upper end of reentrant angle shape bracing piece be provided with can the dextrad upset flip, be provided with arc connecting rod onflip's the right -hand member face, arc connecting rod's lower extreme rotates with the right -hand member of push rod to be connected. The utility model discloses in, make arc connecting rod drive the push ...

Blutdruckmesseinrichtung

Es wird ein Blutdruckmessgerät geliefert, wobei eine Drehwelle (47) sich im Uhrzeigersinn dreht, wenn eine Kraft an einer Endseite (40a) und der anderen Endseite (40b) eines Manschettenhauptteilabschnitts (40) in einer Richtung angelegt wird, in der weiter der Innendurchmesser einer zylindrischen Form reduziert wird, und die Endseite (40a) und die andere Endseite (40b) des Manschettenhauptteilabschnitts (40) zur gleichen Zeit bewegt werden. Als Ergebnis kann der Innendurchmesser der zylindrischen Form des Manschettenhauptteilabschnitts (40) nur durch einen Druckvorgang mit einer Hand reduziert werden und der Manschettenhauptteilabschnitt (40) leicht und schnell um einen Oberarm (100) gewickelt werden. Damit wird ein Blutdruckmessgerät geliefert, welches die einfache Konfiguration bzw. Aufbau besitzt und auch einer Person gestattet, welche Probleme mit den Händen hat, die Manschette leicht um eine Fläche zu wickeln, welche zu messen ist.

Method for synthesizing 2,2-bis(hydroxymenthyl)butyric acid

The invention belongs to the field of fine organic synthesis. The invention selects the mixture of NaCO3, Ba(OH)2, triethylamine and NaCO3, or the mixture of triethylamine and Ba(OH)2 as a catalyst, and makes use of butyraldehyde and formaldehyde to prepare 2, 2-hydroxymethyl butyric acid under the oxidation of hydrogen peroxide or oxygen through aldol condensation reaction. The invention prepares the 2, 2-hydroxymethyl butyric acid in the alkaline condition, thus the side reaction is less, the yield of the 2, 2-hydroxymethyl butyric acid is higher, and the industrialization of the invention is easy to realize.

Method for synthesizing 2,2-bis(hydroxymenthyl)propinonic acid

The invention belongs to the field of fine organic synthesis. The invention uses a mixture of Ca(OH)2, Ba(OH)2, triethylamine and Ca(OH)2 or a mixture of triethylamine and Ba(OH)2 as a catalyst to prepare 2,2-hydroxymethylpropionic acid through a condensation reaction of propanal and formaldehyde under the oxidation of hydrogen peroxide or oxygen. The invention has the advantages of fewer side reactions due to preparation of the 2,2-hydroxymethylpropionic acid under alkaline conditions, higher yield of the 2,2-hydroxymethylpropionic acid and easy realization of industrialization.

Power cable ration recovery unit

The utility model discloses a power cable ration recovery unit, including the base that sets firmly weighing apparatus, install the body frame on the weighting platform of weighing apparatus, rotate on the body frame to install and change the cover, it is equipped with the articulated swing arm to change the even ring in cover lower part, the swing arm middle part is crooked to changeing the cover center, the endwise slip cartridge has the center pin in changeing the cover, the center pin lower extreme has set firmly most advanced decurrent circular cone piece, the equipartition has the track that corresponds with the swing arm on the circular conical surface of circular cone piece, the swing arm middle part sets firmly the extension piece that directed orbit extends, extend the piece tip and install the fitting piece that to follow pathway movement, install main power plant on the body frame, an elevating devic, still install cutting device on the base, include still that control main ...

Method for high-efficiency introducing exogenous genetic matter into living cell

A process for effectively introducing the exogenous genetic materials into living cell includes treating the living cell, tissue block, or organ of plant in hyperosmotic cultural liquid for a certaintime, putting it in the culture liquid containing exogenous genetic material, and stabbing by microbeam laser. The exogenous genetic material immediately comes in the cell via the stabbed hole which is then closed in 3 seconds. Its advantages are less damage to cell, the growth-promoting action of laser on cell, and correct location.

Chess piece dispersing device suitable for chess piece sorting

The utility model relates to the technical field of go chess piece sorting. The utility model relates to a chess piece dispersing device, in particular to a chess piece dispersing device suitable forchess piece sorting. The chess piece sorting device comprises a chessboard, a sorting transparent box, five photoelectric detectors, five sorting drivers, a sorter and a black and white chess piece distributing box, wherein the black and white chess piece distributing box is fixedly connected to the chessboard, the five sorting drivers are fixedly connected to the black and white chess piece distributing box, the five sorting drivers are all attached to the sorter, the sorter is fixedly connected to the lower end of the transparent sorting box, and the transparent sorting box is fixedly connected to the black and white chess piece distributing box. The Go black and white chess piece sorting device has the advantages that Go black and white chess pieces can be automatically and quickly sorted ...

Calibration and loading method of air-floating multidimensional force transducer

The invention discloses a calibration and loading method of an air-floating multidimensional force transducer. The method is characterized in that: in the spatial rectangular coordinates of the air-floating multidimensional force transducer, the entire air-floating multidimensional force transducer is inclined by any angle through a dividing device, and the gravity of a floating plate with known weight can be decomposed into components parallel to the axial directions of gas nozzles; the components are used as loads added to the axial directions of corresponding gas nozzles; and by changing the inclination angle of the entire air-floating multidimensional force transducer, the required calibration load can be obtained. The method disclosed by the invention can meet the requirement on the loading precision required for calibrating the air-floating multidimensional force transducer, and is used for accurately calibrating the air-floating multidimensional force transducer.

OPTIMIZED DESIGN METHOD FOR MANUFACTURING FRESNEL GRATING

An optimized design method for manufacturing a Fresnel grating is disclosed, including the following steps: (1) making a Fresnel surface type of the Fresnel grating equivalent to a curved surface type, and determining, based on the curved surface type to which the Fresnel surface type is equivalent, an optical path difference function of the Fresnel grating: Φ (λ)=<AP 1 P 2 B>−<AOB>+Nmλ; and (2) determining a Fresnel grating parameter that minimizes a function value of the optical path difference function, so as to manufacture a Fresnel grating that has an aberration elimination effect. The manufactured Fresnel grating may effectively eliminate a portion of aberrations of the Fresnel grating, and increase a resolution of a spectrometer.

Printing machine winding tension control method based on concave curve

The invention discloses a printing machine winding tension control method based on a concave curve. When a printing machine winds, tension is controlled according to the following function F=B + K/D-A, wherein F is winding taper tension, D is the winding taper diameter; K is the curvature coefficient of the curve, and the actual application range is 100-900000; B and A are constants. The method solves the problem that in the winding process of an existing tension control method, the rejection rate is high because of center winding wrinkles, and the precision and the yield of the winding tension are effectively improved.

Waste discharging butt-joint pipe used for waste discharging truck

A waste discharging butt-joint pipe used for a waste discharging truck comprises a waste discharging pipe, a connector is arranged on the head portion of the waste discharging pipe, a water pipe connector is arranged on the pipe wall of the connector, and the water pipe connector is connected with a water pipe through a valve. When kitchen waste is discharged through the discharging pipe, a flushing pipe valve is opened, so that the water pipe is connected with a tap water pipe, and then flow water can be used for flushing residual kitchen waste on the inner wall of the discharging pipe. The waste discharging butt-joint pipe has the advantages of being simple in structure, convenient to use and environmentally friendly.

Multifunctional SF6 steel cylinder aerating apparatus

The invention discloses a multifunctional SF6 steel cylinder aerating apparatus. The apparatus comprises a vehicle body, a power supply unit, a heating unit, a weigher and a gas conveying pipeline. A segment from a pressure reducing valve to the pipeline of the apparatus is provided with the heating device, and the temperature can be set and automatically controlled, so SF6 (sulfur hexafluoride) entering the apparatus is in a gaseous state by arranging the enough long conveying pipeline forming an S-shaped appearance in the heating unit; the bottom of the vehicle body is provided with the weigher, so the SF6 gas in a steel cylinder can be accurately metered, or the aerated used SF6 gas is metered; the apparatus is designed to be a cart with universal wheels, so transportation and use are convenient; and the body of the cylinder is placed in a space with three sides formed by the heating unit, so the cylinder body heated by heat of the heating unit, and the flushing of SF6 in the steel cylinder ...

Blood pressure measuring apparatus

Provided is a blood pressure measuring apparatus wherein a rotating shaft (47) rotates clockwise when a force is applied to one end side (40a) and the other end side (40b) of a cuff main body section (40) in a direction of further reducing the inner diameter of a cylindrical form, and the end side (40a) and the other end side (40b) of the cuff main body section (40) are moved at the same time. As a result, the inner diameter of the cylindrical form of the cuff main body section (40) can be reduced only by a pressing operation with one hand, and the cuff main body section (40) can be easily and quickly wound on an upper arm (100). Thus, the blood pressure measuring apparatus which has the simple configuration and allows even a person having problems with hands to easily wind the cuff on an area to be measured is provided.

Modified silica ceramic resin and preparation method thereof

The invention discloses modified silica ceramic resin and a preparation method thereof, the modified silica ceramic resin comprises 40-50 parts by weight of silicon resin, 50-70 parts by weight of waterborne epoxy resin and 1-3 parts by weight of boric acid doped polyaniline, the silicon resin is obtained by jointly hydrolyzing tetraethoxysilane and gamma-methacryloxypropyltrimethoxysilane and then adding styrene for crosslinking, and the boric acid doped polyaniline is synthesized by using boric acid as a doping agent and ammonium persulfate as an initiator through a chemical oxidation method. The waterborne epoxy resin and the silicon resin are compounded, a waterborne epoxy coating system has the advantages of being high in adhesive force, excellent in coating corrosion resistance and good in construction performance, and the defects of the silicon resin in the aspects of curability, adhesion, solvent resistance, mechanical strength and the like can be perfectly overcome; the corrosion ...

Remote light-driven miniature soft robot and manufacturing and control method thereof

The invention discloses a remote light-driven miniature soft robot and a manufacturing and control method thereof. The remote light-driven miniature soft robot can be applied to non-structural operation environments such as environment monitoring, ruins search and rescue, medical diagnosis and military reconnaissance. The device mainly comprises micro-nano column supporting legs, movement of the miniature soft robot is determined by interaction of the micro-nano column supporting legs and the environment where the micro-nano column supporting legs are located, under illumination of infrared light with a certain frequency, the silicone rubber driving component doped with the infrared absorption material responds to external infrared light stimulation and converts the external infrared light stimulation into heat, silicone rubber is promoted to expand and contract, and driving force is provided for the soft robot. The miniature soft robot is simple in structure and not limited by a traditional ...

Kit for detecting sexually transmitted diseases

The invention discloses a kit for detecting sexually transmitted diseases. The kit comprises 1 to 3 pairs of primers which can specifically amplify genes of pathogens such as gonococcus, chlamydia trachomatis and/or ureaplasma urealyticum respectively; and the nucleotide sequences of the primers are shown as SEQ ID NO:1-6. The kit has high specificity and high sensitivity, can be used for detecting a single pathogen and detecting various pathogens at the same time, is convenient to use, provides exact results and has an extremely good clinical application prospect.

Supply chain transportation traceability management system

The invention provides a supply chain transportation traceability management system, and relates to the field of transportation management systems. The supply chain transportation traceability management system comprises a logistics data machine room, a vehicle scheduling management platform, a mobile network and a positioning satellite, the upper end of the logistics data machine room issues a transportation demand through a logistics client, and the transportation demand transmits data to the vehicle scheduling management platform through the logistics data machine room. The vehicle dispatching management platform carries out order sending processing on a driver, the driver logs in the system through a mobile phone after receiving an order and then randomly generates a dynamic two-dimensional code, code scanning authentication is carried out through a camera at a signing place, and the code scanning authentication comprises information input. Whole-course cargo tracking and track playback ...

Preparation method for bentazone

The embodiment of the invention discloses a preparation method for bentazone, which comprises the following steps: N-isopropyl o-aminobenzamide and 2-methylpyridine sulfuric anhydride compound are reacted in a solvent to obtain sulfuric anhydride solution; triphosgene solution is dropwise added into the obtained sulfonate solution; and triphosgene solution is dropwise added into the sulfonate solution, pyridine is added, and a backflow reaction is carried out to obtain the bentazone. In the invention, the triphosgene is taken as cycle closing reagent, and the 2- methylpyridine is taken as initiator; the triphosgene is initiated and decomposed into intermediate in the presence of 2-methylpyridine, and then is subject to phosgenation with the reaction product sulfonate of the N-isopropyl o-aminobenzamide and the 2-methylpyridine sulfuric anhydride compound, so as to prepare the bentazone. In the invention, the triphosgene is taken as reacting raw material to prepare the bentazone, and the ...

Method for introducing large amount of exogenous material into living cells

In this process, high osmotic buffer liquor is used for soaking of cells to expel partial water content in cells to be flowed outward, then the cells are transferred into conventional calture medium which contains external material to form cell osmotic pressure in a internally higher and externally lower gradient, thus puncher of cell membrane is achieved by physical process, and external material may be entered into cells in a large amount. By this procss, hereditary characteristic of animals and plants may be improved, and bio-medicine maybe produced.

Nutritive and skin-care composite using stearic acids as main components and preparation method thereof

The invention discloses nutritive and skin-care composite using stearic acids as main components and a preparation method thereof. The composite comprises the following components in part by mass: stearic acid, glycerol stearate, isopropyl stearate, icosanyl propionate, octadecanol, propylparaben, butylated hydroxytoluene, methylparaben, polyoxyethyl sorbitan fatty acid ester, triethanolamine and water. The preparation method comprises: pouring stearic acid, glycerol stearate, isopropyl stearate, icosanyl propionate, octadecanol, propylparaben, butylated hydroxytoluene, which are weighed by mass, into a reaction kettle with a mechanical stirrer, mixing, stirring and heating; weighing methylparaben, polyoxyethyl sorbitan fatty acid ester and triethanolamine, mixing, stirring, heating, adding glutamate sucrose and stirring; slowly adding triethanolamine into the mixture, and stirring at high speed; and regulating pH value, cooling and bottling. The nutritive and skin-care composite has skin ...

Calibration and loading method of air-floating multidimensional force transducer

The invention discloses a calibration and loading method of an air-floating multidimensional force transducer. The method is characterized in that: in the spatial rectangular coordinates of the air-floating multidimensional force transducer, the entire air-floating multidimensional force transducer is inclined by any angle through a dividing device, and the gravity of a floating plate with known weight can be decomposed into components parallel to the axial directions of gas nozzles; the components are used as loads added to the axial directions of corresponding gas nozzles; and by changing the inclination angle of the entire air-floating multidimensional force transducer, the required calibration load can be obtained. The method disclosed by the invention can meet the requirement on the loading precision required for calibrating the air-floating multidimensional force transducer, and is used for accurately calibrating the air-floating multidimensional force transducer.

Printer rolling tension control method based on piecewise function curve

The invention discloses a printer rolling tension control method based on a piecewise function curve. When rolling of a printer is conducted, tension control is achieved according to the following steps that the rolling diameter D has following circumstances: the rolling tension is controlled; when the rolling diameter D is smaller than or equal to DS, the rolling tension T is equal to TS; when the rolling diameter D is greater than or equal to DE, the rolling tension T is equal to TE; when the rolling diameter D is smaller than the DE and greater than the DS, the rolling tension is controlled according to a functional expression F=(Fi+Fi+1)/(Di-Di+1)*D+Fi-(Fi-Fi+1)/(Di-Di+1)+Di. The printer rolling tension control method solves the problem that the rolling center crinkles cause the high rejection rate in a rolling process in an existing tension controlling method, and effectively improves accuracy and the rate of finished products of rolling tension.

Cell -phone safety protection shell

The utility model discloses a cell -phone safety protection shell, including hand casing body (1), cell -phone safety protection shell in be equipped with air bag (2), air bag (2) fix by collet chucks (6) under normal condition, fall under the state at the cell -phone, collet chucks (6) pressurized after will air bag (2) pop out. Adopt above -mentioned technical scheme, avoid the cell -phone to drop the rear body from the eminence and break, or the upon impact damages, play the effect of protection cell -phone screen, through the combination of safety airbag technique and cell -phone shell structure, broken the limitation that the cell -phone back had only been protected to the cell -phone shell on the traditional market, brought very big facility for cellphone subscriber's life.

Synthesis method of bentazone midbody 2-amino-N-isopropylbenzamide

The invention discloses a synthesis method of a bentazone midbody 2-amino-N-isopropylbenzamide, comprising the steps of: dripping isopropylamine in a dichloroethane solution of isatoic anhydride within 3 hours at a temperature of 50-60 DEG C, continuing the reaction for 0.5-2 hours at the temperature of 50-60 DEG C, washing with water and distributing water to obtain the 2-amino-N-isopropylbenzamide, wherein the water content of the isatoic anhydride is not higher than 40% and the water content of the dichloroethane is not higher than 1%. The synthesis method of the bentazone midbody 2-amino-N-isopropylbenzamide in the invention is free from anhydrous rigorous reaction conditions to be controlled strictly, greatly decreases the production processes, lightens the labor capacity of operators, saves the energy, reduces the consumption and the production cost.

Application of CTRP4 protein to prepare medicines for treating inflammatory diseases or autoimmune diseases

The invention discloses application of CTRP4 protein to prepare medicines for treating inflammatory diseases or autoimmune diseases. According to the above application, a medicine capable of effectively treating inflammatory diseases or autoimmune diseases can be prepared.

Preparation method of curved-surface fly's-eye lens array

The invention discloses a preparation method of a curved-surface fly's-eye lens array. According to the advantages of big deformation behavior of a flexible film mixed up with ferromagnetic grains in a magnetic field environment, and deflection controlled by the magnetic field, the preparation method of the curved-surface fly's-eye lens array through the induction of the magnetic field is proposed; from the manufacturing technique, the preparation method is featured by fast and simple operation, low cost and small dimension of a single lens, and so on.

Method for synthesizing isatoic anhydride

The invention discloses a method for synthesizing isatoic anhydride, which comprises the following steps: (1) adding phthalimide to a reaction solvent; (2) controlling the temperature to be within the range of 40-45 DEG C, introducing chlorine gas, and reacting for 1.5-2 hours; (3) controlling the temperature to be below 45 DEG C, adding solid caustic soda, and then continuing to react for 0.5-1.5 hours; and (4) filtering and collecting salts to obtain an isatoic anhydride filtrate, cooling, crystallizing, filtering, and drying to obtain solid isatoic anhydride. The method for synthesizing the isatoic anhydride avoids the use of a large amount of virulent and dangerous chemical substances and has moderate anhydrous reaction conditions, and hydrogen chloride and sodium chloride as reactionbyproducts can be treated to produce high-quality hydrochloric acid and industrial sodium chloride byproducts, thereby reducing the generation and the discharge of harmful impurities and a large amount ...

Optimized design method for manufacturing fresnel grating

An optimized design method for manufacturing a Fresnel grating is disclosed, including the following steps: (1) making a Fresnel surface type of the Fresnel grating equivalent to a curved surface type, and determining, based on the curved surface type to which the Fresnel surface type is equivalent, an optical path difference function of the Fresnel grating: Φ (λ)=−+Nmλ; and (2) determining a Fresnel grating parameter that minimizes a function value of the optical path difference function, so as to manufacture a Fresnel grating that has an aberration elimination effect. The manufactured Fresnel grating may effectively eliminate a portion of aberrations of the Fresnel grating, and increase a resolution of a spectrometer.

Method for manufacturing cool cotton knitting fabric

The invention provides a method for manufacturing cool cotton knitting fabric, which performs singeing and mercerizing on a single yarn, and ensures that a final product has excellent elasticity and smooth and cool feeling by selecting a proper fabric structure. The knitting fabric is characterized in that the single yarn is subjected to yarn singeing, reeling, mercerizing, drying, rewinding, double-sided weaving, resin finishing, calendaring, setting and preshrinking in sequence; and the weaving process is to weave the fabric by adopting a double-sided multifunctional interlock rib knitting machine; and the resin finishing process is to add finishing liquor in a tank of a setting machine to ensure that the fabric passes through the tank and rolls of the setting machine at a speed of between 12m/min and 20m/min, wherein pressure of the rolls is between 3 to 10N/cm<2>; the fluid take-up rate of the fabric after padding is 79.5 percent, and the overfeeding is 20 percent.

SRY (Sex-determining Region of Y-chromosome) specificity TaqMan probe primer pair and real-time fluorescent SRY gene detective reagent kit

The invention relates to a SRY (Sex-determining Region of Y-chromosome) specificity TaqMan probe primer pair which comprises a first primer pair, a first probe, a second primer pair and a second probe, wherein the first primer pair comprises a positive primer and a negative primer; a nucleotide sequence of the positive primer in the first primer pair is shown in SEQ ID NO: 1 in a sequence table; a nucleotide sequence of the negative primer in the first primer pair is shown in SEQ ID NO: 2 in the sequence table; a nucleotide sequence of the first probe is shown in SEQ ID NO: 3 in the sequence table; the second primer pair comprises a positive primer and a negative primer; a nucleotide sequence of the positive primer in the second primer pair is shown in SEQ ID NO: 4 in the sequence table; a nucleotide sequence of the negative primer in the second primer pair is shown in SEQ ID NO: 5 in the sequence table; and a nucleotide sequence of the second probe is shown in SEQ ID NO: 6 in the sequence ...

High performance liquid chromatography (HPLC) fingerprint establishment method of Fenggang zinc-selenium tea

The invention discloses a high performance liquid chromatography (HPLC) fingerprint establishment method of Fenggang zinc-selenium tea. The method comprises the steps of preparing a test solution, making fingerprint, confirming the standard fingerprint, and selecting 20 batches of Fenggang zinc-selenium tea samples in 29 batches, 4 batches of Liupanshui tea samples, 5 batches of Duyun tea samples, 9 batches of Tongren tea samples and 14 batches of Meitan tea samples for Fenggang zinc-selenium tea fingerprint model verification by utilizing statistic package for social science (SPSS) and standard in multivariate data analysis (SIMCA)-P+ statistical analysis software. The results prove that the established Fenggang zinc-selenium tea fingerprint can be effectively applied to true and false identification and producing area confirmation of the Fenggang zinc-selenium tea; the established fingerprint model can be better applied to geographical product protection and more comprehensive quality ...

Fast reactor main steam module and fast reactor main steam system

The invention relates to the technical field of nuclear power plant pipeline arrangement, in particular to a fast reactor main steam module and a fast reactor main steam system.The fast reactor main steam module comprises an evaporator, a superheater, a fast isolating valve, an electric isolating valve and a main steam pipeline which are sequentially connected; when the evaporator leaks, the quick isolating valve is closed, and the electric isolating valve is closed; the main steam pipeline is connected with a conventional island turbine; the fast reactor main steam system comprises a plurality of fast reactor main steam modules; a plurality of fast reactor main steam modules are grouped and then are respectively connected into the loop pipeline; the plurality of loop pipelines are connected to the main steam mother pipe in parallel; the main steam main pipe is connected with the conventional island steam turbine; according to the technical scheme, when the evaporator leaks, the quick isolating ...

Deodorizing device and deodorizing method for kitchen waste treatment

The invention relates to a deodorizing device for kitchen waste treatment. A regulating pond is connected with a denitrification pond through a UASB (Upflow Anaerobic Sludge Blanket)+membrane bioreactor, the denitrification pond is communicated with a nitrification pond, and the nitrification pond is connected with an ultrafiltration membrane purification treater; the UASB+membrane bioreactor, the denitrification pond, the nitrification pond and the ultrafiltration membrane purification treater are all communicated with the input port of a mud storage pond, and the mud storage pond is connected with a dehydrater and the inlet of the denitrification pond; and the parts are all provided with odor collection ports, the odor collection ports are connected with biological filter bed deodorizing equipment, and the biological filter bed deodorizing equipment is connected with plant liquor atomization and absorption deodorizing equipment. A deodorizing method comprises the following steps that ...

Workbin autmoatic storage and get goods system

The utility model discloses a workbin autmoatic storage and get goods system belongs to logistics equipment's technical field. Its technical scheme does: a workbin autmoatic storage and get goods system, includes the lifting machine, shuttle back and forth goods shelves and shuttle, and the lifting machine includes the base, is provided with the motor on the base, and the motor passes through the shaft coupling to be connected with the main shaft, is provided with the action wheel on the main shaft, is provided with the stand on the base, and the both sides face that the stand is relative is provided with guide boss, and the upper end is provided with from the driving wheel, and action wheel and driven taking turns to around being equipped with the hold -in range are provided with the loading platform assembly on the stand. The beneficial effects of the utility model are that: can adjust shuttle and the quantity matching of lifting machine and the work capacity design of each unit equipment ...

Preparation method of ferromanganese oxide/carbon composite materials

The invention relates to a preparation method of ferromanganese oxide/carbon composite materials and belongs to the technical field of super capacitor electrode materials. The method includes: organic negative ions are inserted between di-hydroxyl composite metal oxide layers to obtain intercalation-structured precursor, the precursor is roasted to obtain the MnO-MnFe2O4/C composite materials, and the composite materials are applied to super capacitor working electrodes to research the performance of the composite materials. The method has the advantages that the composite materials are in a nano particle state and even in distribution, metal oxide is composited with carbon materials through one-step roasting, coordination of double-electrode-layer energy accumulation and pseudo-capacitor energy accumulation is achieved, the high-performance electrode materials are obtained, and the method is environmental friendly and low in production cost.

Multi -functional unpacking appurtenance

The utility model relates to a multi -functional unpacking appurtenance, it includes instrument main part and supplementary rack, and the instrument main part is including being banding handle, and its structural feature is the wherein one end rigid coupling of handle beats the hammer, other end rigid coupling has wrench socket, and the perpendicular rigid coupling of lateral part of handle has a shaped plate, and the V -arrangement groove has been offered at the middle part of strip shaped plate, offers the blade on the inner wall in V -arrangement groove, the wherein one end of beating the hammer is for beating the piece, and the other end is the nail puller, wrench socket is interior hexagonal box spanner or is the ratchet sleeve. The utility model has the advantages of simple structure, multiple functional, convenient to carry, be difficult for losing and can reduce the degree of difficulty of unpacking.

Method for producing trifluoroacetic acid methyl ester by catalytic oxidation of methane

The invention provides a method for producing trifluoroacetic acid methyl ester by catalytic oxidation of methane, belonging to the technical field of chemical industry. The method is characterized in that in a mixing solvent composed of perfluoroctane or perfluornonane and trifluoroacetic acid, methane is subjected to catalytic oxidation to obtain the trifluoroacetic acid methyl ester by taking oxygen as oxidant and using palladium acetate, benzoquinone and phospho vando molybdic acid as catalysts. In the method, the volume ratio of perfluoroctane or perfluornonane to trifluoroacetic acid is1:1 to 1:10; the total pressure of methane and oxygen is 2.0-5.0 MPa, and the partial pressure ratio of methane to oxygen (1.6-10):1; and reaction is carried out for 1-12 hours at the temperature of 40-120 DEG C to produce the trifluoroacetic acid methyl ester. Compared with the method using single solvent trifluoroacetic acid, the method provided by the invention has the advantage of obviously improved ...

Intelligent logistics full-process traceability safe transportation supervision big data center platform

The invention provides an intelligent logistics full-process traceability safe transportation supervision big data center platform, and relates to the field of logistics management. The intelligent logistics full-process traceability safe transportation supervision big data center platform comprises a server, a scheduling board and a Web application, the server and the scheduling board are connected through HTTPS, the scheduling board comprises intelligent scheduling scheduling, scheduling pool management and loading and unloading scheduling, the other end of the server is connected with a transportation management system, and the Web application is connected with the server. The transportation management system comprises intelligent prediction of storage and transportation demands, intelligent matching of storage and transportation capacity, visual management of a transportation process, real-time scheduling of storage and transportation resources, and online reconciliation and rapid settlement ...

BLOOD PRESSURE MEASUREMENT DEVICE

In a blood pressure measurement device, a force acts on one end side and the other end side of a cuff main body in a direction where an inner diameter of a tubular form is further reduced, so that a rotation shaft rotates in a clockwise direction thus simultaneously moving the one end side and the other end side of the cuff main body. As a result, the inner diameter of the tubular form of the cuff main body can be reduced, and the cuff main body can be easily and rapidly wrapped around the upper arm with only the pushing task using one hand. Thus, the blood pressure measurement device provides a simple device configuration that enables the cuff to be easily wrapped around the measurement target site even for those with crippled hands.

Antibacterial, antioxidant and self-adhesive multifunctional composite hydrogel dressing and preparation method thereof

The invention discloses an antibacterial, antioxidant and self-adhesive multifunctional composite hydrogel dressing and a preparation method thereof, and belongs to the field of medical and health materials. The multifunctional composite hydrogel dressing is prepared by the following steps: (1) adding chitosan powder into a glacial acetic acid aqueous solution to be completely dissolved, then dropwise adding 2, 3-epoxypropyl trimethyl ammonium chloride, centrifugally collecting supernate, filtering, dialyzing and freeze-drying to obtain quaternary ammonium salt chitosan; (2) dissolving quaternary ammonium salt chitosan in deionized water to obtain a quaternary ammonium salt chitosan solution; dissolving quercetin in absolute ethyl alcohol to prepare a quercetin solution; dissolving dopamine hydrochloride in a sodium hydroxide solution; uniformly mixing the three solutions according to a certain proportion; and (3) adding acrylamide, N, N-methylene bisacrylamide, ammonium persulfate and ...

Multiple PCR kit for assuying peripheral blood DNA liver cancer correlative P53 gene 249 bit codon mutation

Production method of pure hemp mercerized yarn

The invention provides a production method of pure hemp mercerized yarn. By the production method, the mercerized pure hemp yarn has few broken ends, excellent brute force and brightness, the deep dyeing property, level-dyeing property and penetrating property are greatly improved, the handle and smoothness are improved, the difficulty in later processes of dyeing, weaving and after finishing is reduced, and the application performance of the pure hemp yarn is integrally improved. The production method comprises the processes of singeing, reeling, mercerizing, dyeing, squeezing water, drying and rewinding, and is characterized in that the mercerizing process is as follows: yarn is put into a yarn mercerizing machine, wherein the alkalinity of treating fluid is 28-30 baume degrees, the temperature of the treating fluid is 18-22 DEG C, the applied tensile force stretching is 1-3%, the alkali dipping time is 1-3 minutes, the alkali squeezing time is 30 seconds-1 minute, time for washing with ...

Convex-curve-based printer winding tension control method

The invention discloses a convex-curve-based printer winding tension control method. The method includes when a printer winds, performing tension control according the following function: (img file=' DDA0000439730060000011. TIF' wi=' 376' he=' 128' /) (/maths), wherein F refers to taper tension during winding, D refers to taper diameter during winding, K refers to coefficient of curvature of a curve, actual application range of K is 100-900000, and alpha and beta are constants. By the method, the problem of high rejection rate caused by crumpling of a winding core in the process of winding in an existing tension control method is solved, and winding tension accuracy and finished product rate are effectively improved.

Method for realizing internet instant messaging (IM) and network community service by taking phone number as service identification

The invention relates to a method for realizing internet instant messaging (IM) and network community services by taking phone numbers as service identifications. The method is used for realizing that the phone numbers are taken as internet service identifications, and various terminals are taken as the internet service identifications by phone numbers in phone contacts, as well as realizing the internet IM (including texts, voices, video conversation and the like) and the network community (including blogs, individualized space, albums, music, video sharing, file transmission and the like) services among terminal phone contacts. The method comprises the following steps: 1) taking the phone numbers in the terminal contacts as the service identifications, so that online states (including a free state, a leaving state, a busy state, an off-line state and the like) of the phone contacts in the terminals can be observed when the terminals are connected to the internet; and 2) selecting one ...

Eyesight protection eyepatch

The invention provides an eyesight protection eyepatch. The eyesight protection eyepatch comprises a patch body matched with two eyes, and ribbons are arranged on the two sides of the patch body; two crossed holes are formed in the centers of positions, corresponding to the eyes, of the patch body; a plurality of symmetric round holes are formed by using the crossed holes as centers. The small holes (round holes) are formed in the central areas, corresponding to the eyes, of the eyepatch, so that eyesight can be naturally regulated, eye fatigue can be relieved, and eyes suffering from visual disturbance of pseudo myopia, myopia, astigmatism, hyperopia, heterotropia, amblyopia and presbyopia can quickly return to normal.

Composting device and method

The invention discloses a composting device comprising a dehydrator, wherein the dehydrator is communicated with a mixing agitator; the mixing agitator is connected with a composting bin; the composting bin is connected with a secondary fermentation bin. A composting method comprises the steps of (1) matching an organic solid dehydrated by the dehydrator according to the carbon nitrogen ratio and moisture content required for composting, mixing the organic solid with auxiliary materials in the mixing agitator and agitating; (2) conveying the mixed and agitated material to the composting bin to aerobiotically compost, sequentially heating, keeping high temperature and cooling, raising the compost temperature to 55-60 DEG C, sterilizing and lasting for 8-12d; (3) conveying the aerobiotically composted material to the secondary fermentation bin to ferment, further decomposing indecomposable organic matters, and finishing secondary fermentation after 13-16d to obtain fermentation clinker.

Application of caryophyllene and/or linalool in prevention and treatment of rice blast

The invention relates to the technical field of rice blast control. The invention provides application of caryophyllene and/or linalool in prevention and treatment of rice blast. Two terpenoids such as caryophyllene and linalool are adopted to prepare the rice bacteriostatic agent which is used for preventing and treating rice blast. Compared with an existing antibacterial agent product on the market, the product belongs to a volatile compound, is used for preventing and treating diseases of rice, and is less in residue and remarkable in effect.

Fastening device and method for preparing copper-graphene composite material

The invention provides a fastening device and method for preparing a copper-graphene composite material, the fastening device comprises a lower bottom plate, a fastening piece and an upper cover plate, the upper cover plate is arranged above the lower bottom plate, a plurality of copper-graphene sheet-shaped stacked materials are placed between the upper cover plate and the lower bottom plate, and the fastening piece is arranged on the upper cover plate. And the fastener is used for fixing the upper cover plate and the lower bottom plate together and pressing the copper-graphene stacked material between the upper cover plate and the lower bottom plate. The method for preparing the copper-graphene composite material comprises the steps that a fastening device containing a copper-graphene stacked material is placed in a vacuum furnace, vacuumizing is conducted till the vacuum degree is 5 * 10 <-3 > Pa or below, the temperature in the vacuum furnace is increased to 800-1000 DEG C, then heat ...

Household wastewater recycling device

The invention relates to a household wastewater recycling device which is mounted between a wastewater drainage pipeline of an upper floor and a vertical soil stack of a lower floor and comprises a filtering and silt-depositing discharge pipe, a secondary filtering water treatment pipe and a water storage pipe which are sequentially communicated through overflowing pipes. Hair filters are mountedat the joints, a water supply pipe communicated with a toilet water tank is also mounted at the lower part of the water storage pipe, and the upper part of the water storage pipe is communicated withthe vertical soil stack through an overflowing pipe. By modifying a drainage system of a high-rise building, the living water of users at the upper floor can provide toilet water for users at the lower floor so as to improve the water utilization and save water resources. By adopting the hair collectors, medicine-adding containers and filter structures, wastewater is sterilized and flocculated bymanually ...

Resistive random access memory based on P/N type oxide laminated structure and preparation method thereof

The invention discloses a resistive random access memory (RRAM) based on a P/N type oxide laminated structure. The RRAM based on the P/N type oxide laminated structure comprises a lower electrode, a resistance change conversion layer and an upper electrode. The resistance change conversion layer is the modified P/N type oxide laminated structure; and the P/N type oxide laminated structure is lessthan 200 nm in thickness, and has the dosage concentration of less than 5 atomic percent. The RRAM based on the P/N type oxide laminated structure has the advantages that: by the P/N type oxide laminated structure, high Reset current caused by good heat conducting performance of a metal is overcome; and by the P/N type oxide laminated structure, the Reset current is reduced, and the power consumption of an RRAM device is reduced.

Synthesis technology of oxadiazon

The invention discloses a synthesis technology of oxadiazon. The synthesis technology comprises following steps: (A). carrying out a reaction between 2,4-dichloro-5-isopropoxylbenzhydrazide and methyl chloroformate in an organic solvent to obtain hydrazide methyl ester; (B). enabling the hydrazide methyl ester to be subjected to a cyclization reaction under the effect of a catalyst to obtain the oxadiazon. During the synthesis technology of the oxadiazon, the oxadiazon is synthesized with 2,4-dichloro-5-isopropoxylbenzhydrazide and methyl chloroformate being raw materials, wherein the methyl chloroformate is employed, instead of phosgene or triphosgene, as a carbonylation ring-closing reagent, so that safety potential risk during a conventional phosgene technology is avoided, which enables the synthesis technology of the oxadiazon to be high in safety. In addition, yield of the oxadiazon is high in the invention. An experimental result proves that the yield of the oxadiazon is higher than ...

Nasopharyngeal carcinoma early sieve check, diagnostic reagent and application

The invention relates to an early diagnosis reagent for nasopharyngeal carcinoma, which at least comprises an amino acid sequence, such as protein shown by SEQ NO.2 or the fusion protein of the protein shown by the SEQ NO.2 and GST protein. The invention also provides a method for preparing the amino acid sequence, such as protein shown by the SEQ NO.2 or the fusion protein of the protein shown by the SEQ NO.2 and the GST protein. The diagnosis reagent kit of the invention provides the diagnosis of nasopharyngeal carcinoma and other EB virus relevant diseases with new detection indicators of high sensitiveness and good specificity and a new approach for early screening examination and diagnosis of nasopharyngeal carcinoma and other EB virus relevant diseases.

Stratum reinforcing method for shield tunneling machine underneath passing existing water delivery tunnel

The invention relates to a stratum reinforcing method for a shield tunneling machine to downwards pass through an existing water delivery tunnel, and relates to the field of shield stratum reinforcing technology, which comprises the following steps: a, according to a design drawing, a plurality of conduction reinforcing holes distributed at intervals are vertically formed in two sides of a to-be-penetrated water delivery tunnel through reinforcing equipment, cement paste is poured into the conduction reinforcing holes, so that a shearing force conduction reinforcing area is formed between the water conveying tunnel and the shield tunnel; b, according to the design drawing, a plurality of horizontal reinforcing holes distributed at intervals are formed in the bottom of the to-be-penetrated water conveying tunnel through reinforcing equipment, the horizontal reinforcing holes communicate with conduction reinforcing holes in the two sides of the water conveying tunnel, cement paste is poured ...

Low earth orbit satellite image feature extraction method and device

The embodiment of the invention provides a low-earth-orbit satellite image feature extraction method and device, and relates to the technical field of image processing, and the method comprises the steps: obtaining a to-be-processed low-earth-orbit satellite image and an object identifier representing an area where a target object is located in the low-earth-orbit satellite image; performing convolution processing on the low-orbit satellite image to obtain a convolution processing result; performing regularization processing on a convolution processing result, and activating a regularization processing result; performing pooling processing on the activation processing result to obtain a pooling processing result; and inputting a pooling processing result into a feature extraction network to obtain a feature extraction result of the low-orbit satellite image output by the feature extraction network. By applying the scheme provided by the embodiment of the invention, the detail features of ...

Aluminum plate hanging system

The invention relates to an aluminum plate hanging system which comprises a slotted aluminum plate (1) and a waterproof plate (6), the slotted aluminum plate (1) is provided with a hanging bent edge (11), and the slotted part of the slotted aluminum plate (1) is filled with structural adhesive (2); the aluminum alloy decorative corner piece (8) is fastened on the slotted aluminum plate (1); the aluminum alloy auxiliary frame is removed, the bolt assembly (3) is installed on the aluminum alloy stand column (4), the bent edge (11) of the slotted aluminum plate (1) is hung on the bolt assembly (3), and the aluminum plate hanging system is formed. According to the hanging design of the grooved aluminum plate, the material cost is reduced, and the exterior trimming effect is guaranteed. According to the aluminum plate hooking system, the strength of the slotted aluminum plate is enhanced, the structure is simple, factory machining and assembling are adopted, the precision is high, and the flatness ...

Tobacco bale machine version roller is transversely examined measure and regulate complete machine and is constructed

The utility model provides a tobacco bale machine version roller is transversely examined measure and regulate complete machine and is constructed, including synchronous servo motor, hold -in range, ball, horizontal position adjustment mechanism and installing support the installing support with set up horizontal position sensor between the horizontal position adjustment mechanism. The utility model discloses an actual position to the version roller detects, controls, preserves, resets, time of alignment in advance in repeating print the saving, improves operating personnel's humanized operation and production efficiency.

Optimum design method for manufacturing Fresnel grating

The invention discloses an optimum design method for manufacturing a Fresnel grating. The method comprises following steps of: (1) enabling the Fresnel surface type of the Fresnel grating to be equivalent to a curve surface type, and determining an optical path difference function of the Fresnel grating based on the curve surface type equivalent to Fresnel surface type: [phi] ([lambda]) = - + Nm[lambda], wherein the point A represents an object point, the point B represents an image point, the point O represents a reference original point of the grating, the P1 is an incident point of the light of the object point on a lens surface, the P2 represents a point where the light falls on the grating, the [lambda] represents a wavelength, m represents an order of diffraction, N represents a gate line distribution function, and the <> represents an optical length corresponding to a path; and (2) determining a Fresnel grating parameter which minimizes the functional value of the ...

Method for synthesizing isatoic anhydride

The invention discloses a method for synthesizing isatoic anhydride, which comprises the following steps: (1) adding phthalimide to a reaction solvent; (2) controlling the temperature to be within the range of 40-45 DEG C, introducing chlorine gas, and reacting for 1.5-2 hours; (3) controlling the temperature to be below 45 DEG C, adding solid caustic soda, and then continuing to react for 0.5-1.5 hours; and (4) filtering and collecting salts to obtain an isatoic anhydride filtrate, cooling, crystallizing, filtering, and drying to obtain solid isatoic anhydride. The method for synthesizing the isatoic anhydride avoids the use of a large amount of virulent and dangerous chemical substances and has moderate anhydrous reaction conditions, and hydrogen chloride and sodium chloride as reaction byproducts can be treated to produce high-quality hydrochloric acid and industrial sodium chloride byproducts, thereby reducing the generation and the discharge of harmful impurities and a large amount ...

Display panel and display device

The present disclosure provides a display panel and a display device. A through-hole is defined in a bending area of the display panel, and after the bending area is bent along a bending center line, the through-hole forms a light transmitting area, and the light transmitting area is disposed on a light path of an electronic component. Based on the light transmitting area formed after bending the through-hole, the electronic component can be disposed under the display panel, thereby achieving a narrow frame design.

Display panel and display device

The present disclosure provides a display panel and a display device. A through-hole is defined in a bending area of the display panel, and after the bending area is bent along a bending center line, the through-hole forms a light transmitting area, and the light transmitting area is disposed on a light path of an electronic component. Based on the light transmitting area formed after bending the through-hole, the electronic component can be disposed under the display panel, thereby achieving a narrow frame design.

一种医疗护理用医疗器械转运车

本实用新型涉及医疗器械技术领域，且公开了一种医疗护理用医疗器械转运车，包括固定杆，所述固定杆的一端固定连接有底座，所述固定杆的外壁固定连接有支撑杆，所述支撑杆的外壁固定连接有滑轨，所述滑轨的外表面活动连接有第二放置盒，所述第二放置盒的顶部活动连接有第二盒盖，所述第二盒盖的顶部固定连接有第二把手，所述第二盒盖的正面固定连接有绑带。该医疗护理用医疗器械转运车，通过第一放置盒、第二放置盒、滑轨、滚珠、转轴、第一弹簧、挡块、第一把手和第二把手的相互配合使用，达到了便于拿取和盛放医疗器械的目的，解决了一般医疗护理用医疗器械转运车医疗器械拿取不便的问题，结构简单，方便合理，满足使用人群的需求。