36results about How to "Shorten preparation time" patented technology

Belonging to the field of nuclear technologies, the invention specifically relates to an iodine adsorber performance test method and device. The method includes: forming circulating air between the inlet and outlet of a test iodine adsorber, adopting a frequency adjustment fan to accurately adjust the flow of circulating air, controlling the humidity of the circulating air by a heat pump system to make the air humidity on the inlet side and outlet side of the iodine adsorber consistent, injecting a test source into the inlet side of the iodine adsorber, conducting sampling at the inlet and outlet of the iodine adsorber respectively to test the purification performance of the iodine adsorber. The method and the device provided by the invention combine air circulation, frequency adjustment technology, heat pump technology and other energy saving technologies, and reach the comprehensive benefits of environmental protection, energy saving, safety and high efficiency.

The invention relates to a detection method of lead content in gasoline, comprising the following steps: preparing solution, preparing lead standard solution, preparing sample to be detected, drawingstandard curve and detecting the lead content in the gasoline. Compared with GB / T8020, the invention adopts glacial acetic acid-methyl isobutyl ketone solution with mass concentration of 3.0%, improves the stability of a dilution dissolvent system, reduces preparation times of the standard solution, saves resources and avoids environment pollution and hazards to personnel; no lead-poor gasoline isadded in the preparation of the standard solution to reduce the detection limit of the method to 0.02mg / L (0.0428), thus satisfying the need of actual analysis and detection and ensuring the accuracyof data. The detection method used for detecting the same test sample has the advantages of smaller relative standard deviation, high sensitivity and longer stable storage time of work standard solution which can still meet analysis requirement even after being stored for 30 days.

The invention belongs to the technical field of medicinal preparations, and particularly provides a freeze-dried azacitidine preparation for injection and a preparation method thereof. The freeze-dried azacitidine preparation for injection comprises azacitidine and a proper amount of filler, wherein the filler is preferably mannitol. The preparation method comprises the following steps: weighing the azacitidine (the particle size is controlled to be 100-200 microns) according to a prescription dosage, mixing the azacitidine with the mannitol, adding a mixture into water for injection, stirring till the mixture is completely dissolved, filtering, subpackaging, performing freeze drying, pressing a cork, rolling a cover, and packaging. The preparation method is simple in process, low in production cost and high in efficiency; visible foreign matters and related substances are qualified; the freeze-dried azacitidine preparation for injection is good in redissolution and stable in product quality.

The invention relates to a logistics distribution special truck which comprises a truck body. A container is arranged on the truck body. A carrying device is arranged at the bottom of the container and comprises multiple roll shafts and a belt installed on the multiple roll shafts. Pressing devices are arranged on the front inner wall and the rear inner wall of the container. Each pressing devicecomprises a pressing board, multiple swing rods, a long rod and an air cylinder. A push board device is arranged on the left inner wall of the container and comprises a push board, motors, gears and long racks. A gripping device is arranged at the top of the right end of the container and comprises a driven rod, a drive rod, a telescopic air cylinder, sliding blocks, a strip board and a lifting clamping jaw. The operation that a worker frequently enters and exits out of the container to stack or take cargo is omitted, the cargo in the truck can be automatically pushed out and mechanically grabbed, labor intensity is greatly reduced, work efficiency is improved, and logistics preparation duration is effectively shortened.

The invention relates to a preparation method for slurry of a super capacitor. The method comprises the steps of a) initial slurry preparation, wherein active carbon, conductive carbon, binder and solvent are placed in a double-planet mixer with a constant temperature system and stirred and mixed for 0.5 to 5 hours; b) slurry emulsification, wherein the prepared initial slurry is transferred into an emulsifying machine for emulsification; and c) vacuum bubble removal, wherein the emulsified slurry is transferred into a turnover tank with a rotating disk to carry out vacuum bubble removal. The preparation method for the slurry of the super capacitor can uniformly mix different substances in the super capacitor, is excellent in uniformity and high in stability, is not likely to be layered, and is free of bubbles.

The invention relates to the field of packaging equipment, in particular to an intelligent molding machine for a pneumatic box and a molding technology thereof. The intelligent molding machine for thepneumatic box comprises a pressing mechanism, a surface-folding device and a control device. The pressing mechanism comprises a box body mold and a lifting mechanism. The surface-folding device comprises a first fold-up mechanism, a second fold-up mechanism and an ear folding mechanism. The first fold-up mechanism comprises a first surface-folding assembly, a second surface-folding assembly and afirst driving assembly. The second fold-up mechanism comprises a third surface-folding assembly, a fourth surface-folding assembly and a second driving assembly. The control device comprises a controller and a sensor assembly. According to the intelligent molding machine for the pneumatic box and the molding technology thereof, automated production is achieved in the whole course; parametric equipment is achieved; after a parameter is input, a working position is reached automatically and rapidly; the situation that a scraper knife is replaced for a different one every time a different product is machined is avoided; straightness is better compared with that of a previous linear bearing; no gap is reserved; parallelism degree is high; guidance performance is good; and stability is good.

The invention provides a method for setting a conference speaking party role, a terminal, a server, equipment and a medium. The method comprises the following steps: acquiring information of all conference participants participating in a conference; according to the information of all the conference participants, the role type of the target conference participant in the conference is obtained, andthe target conference participant is any one of all the conference participants; and obtaining a data packet corresponding to the role type, and correspondingly sending the data packet and the information of the target participant to an autonomous server, so that the autonomous server schedules the video stream of the participant terminal of the target participant according to the data packet inthe conference process. According to the method, when the role of each participant is set, if the data packet corresponding to the role type of the participant is stored, the data packet is directly obtained, and the data packet corresponding to the role type does not need to be constructed again, so that the time for setting the role of the participant by the client can be quickly shortened, andthe efficiency for setting the role of the participant by the client is improved.

The invention provides a method for rapidly detecting 2-chloroethanol residues in gelatin. The method comprises the following steps: 1) taking hexyl alcohol as an internal standard substance; 2) using a methanol-acetonitrile mixed solvent for dissolving a gelatin sample, 3) dissolving 2-chloroethanol in a methanol-acetonitrile mixed solvent, adding the internal standard solution according to volume ratio of 1:07-0.9 to obtain a product as a reference substance solution; and 4)using polyethylene glycol 20000 for filling a chromatographic column DB-WAX, preciously absorbing 1-2 [mu]l of the reference substance solution and a tested object solution for sampling, recording a chromatogram, calculating ratio of a peak area of 2-chloroethanol to the peak area of the internal standard. The provided method aims at the pollution generated during a gelatin production process for selecting the solvent. The used methanol-acetonitrile mixed solvent rapidly and effectively dissolve the gelatin sample, compared with the prior art, time and operation step can be saved; and the employed ultrasonic extraction can shorten preparation time of the tested object solution.

The invention discloses a preparation method of carboxymethyl chito-oligosaccharide. The method comprises the steps that 1, chitosan oligosaccharide is added into isopropanol, room temperature oscillationis conducted, andswellingchitosan oligosaccharide is obained; 2, a NaOH solution is added into the swellingchitosan oligosaccharide obtained in step 1; 3, an isopropanol solution of chloroacetic acid is added in alkaline feed liquid obtained in step 2, and a hydroxylation reaction is performed; 4, the feed liquid obtained after hydroxylation in step 3 is adjusted with an HCl solution to reachthe pH being neutral, then absolute ethyl alcohol is used for ethanol precipitation, and the feed liquid containing precipitation is obtained; 5, the feed liquidcontaining the precipitation in step 4is subjected to centrifugation, the precipitation is collected and washed multiple times, the washed precipitation is dried, powdering is conducted, and carboxymethyl chito-oligosaccharide powder is obtained. According to the preparation method, preparation is conducted through a chemical method, the carboxymethyl chito-oligosaccharide can be obtained, operation is easy, a high substitution degreeproduct can be obtained, and the product has the excellent antibacterial and antioxidant properties.

The invention discloses a quick-vacuum-pumping negative-pressure dry type leakage detecting device. The quick-vacuum-pumping negative-pressure dry type leakage detecting device comprises a device body, a clamp assembly, a plugging assembly and a leakage detector, and further comprises a touch screen, wherein the clamping assembly is used for fixing a workpiece, the plugging assembly is used for sealing a vent hole of the workpiece, the leakage detector is used for detecting airtightness performance of the workpiece, the touch screen and the leakage detector are arranged in the device body, one end of the leakage detector is communicated with a vacuum pump through an air pipe, the other end of the leakage detector is communicated with the vent hole in the workpiece through the plugging assembly, the device body comprises a base plate and a cavity, the clamp assembly and the plugging assembly are arranged in the cavity, the plugging assembly comprises a plug, the plug is in sealing fit with the vent hole of the workpiece, a positioning block is arranged on the base plate, and the workpiece is arranged at a preset position on the base plate through the positioning block. Because the outward-expansion plug and the universal clamp assembly are adopted for the quick-vacuum-pumping negative-pressure dry type leakage detecting device, a bypass pipeline system is additionally arranged on the quick-vacuum-pumping negative-pressure dry type leakage detecting device, the quick-vacuum-pumping negative-pressure dry type leakage detecting device has the advantages of being high in production efficiency and utilization rate of equipment, and large in vacuum pumping rate of vacuum leakage detection.

The invention relates to agricultural product packaging equipment with high packing efficiency. The agricultural product packaging equipment comprises an outer shell; the outer shell is internally provided with a partition plate, a discharging pipe, a control mechanism and two separating mechanisms; each separating mechanism comprises a telescopic assembly and a gripping assembly; each telescopicassembly comprises a sliding groove, a sliding block, a fixed block, a driving unit, a telescopic frame, a connecting plate and a transmission block; and each gripping assembly comprises a first motor, a driving shaft, a sliding ring, two power units and two driven units. According to the agricultural product packaging equipment with the high packing efficiency, packaging bags are automatically expanded through the separating mechanisms, the preparation time can be shortened while manpower consumption is reduced, thus, the packaging efficiency of the agricultural product packaging equipment can be improved, the addition amount of additives is controlled through the control mechanism, and the situation that the safety of agricultural products is greatly reduced due to excessive additives can be avoided, so that the safety and practicality of the agricultural product packaging equipment are greatly improved.

The invention provides a radio frequency circuit board structure for superconducting quantum bit measurement and control. The radio frequency circuit board structure comprises a plurality of first signal modulation modules and a control unit, each first signal modulation module is used for sending measurement and control instruction information generated by terminal equipment into the quantum chip; a second signal modulation module and a signal demodulation module are arranged in the control unit; the second signal modulation module is used for transmitting operation result information fed back by the quantum chip into the terminal equipment; the signal demodulation module is used for demodulating operation result information fed back by the quantum chip; wherein each first signal modulation module and the control unit are respectively and independently integrated and packaged into a whole; the control unit is selectively coupled with the plurality of first signal modulation modules through a communication network. Through the first signal modulation module and the control unit which are integrally packaged, a large amount of equipment debugging work is not needed when the terminal equipment performs a quantum measurement and control experiment, and the preparation time of the quantum measurement and control experiment is greatly shortened.

The invention relates to a handheld spray kettle and relates to the technical field of a sprayer. The handheld spray kettle comprises a kettle body and a piston mechanism for applying pressure to thekettle body, wherein the piston mechanism is connected with the kettle body, the handheld spray kettle also comprises an auxiliary dissolution mechanism, the auxiliary dissolution mechanism comprisesan air outlet disc and an air inlet pipe communicating with the air outlet disc, the air outlet disc is arranged at the bottom of the kettle body, the air inlet pipe communicates with the piston mechanism, and multiple air outlet holes are uniformly distributed in the air outlet disc. The handheld spray kettle can shorten the preparation time before spraying.

The invention discloses an industrial production raw material intelligent management system based on cloud computing and artificial intelligence, and the system comprises a first obtaining module which is used for obtaining a production order of planned production; the determination module is used for determining a bill of materials according to the production order; and the first comparison module is used for comparing the information of the materials on the bill of materials with the storage information of the corresponding materials in the warehouse, determining the information of the materials to be supplemented according to a comparison result, and submitting a purchase application. The preparation work of various materials on the bill of materials can be intelligently completed, the preparation time of the materials is shortened, the production efficiency is improved, the cost of an enterprise is reduced, and the development of the enterprise is facilitated.

The invention relates to the field of computers, and particularly relates to an automatic mouse pad installed on a notebook computer. The automatic mouse pad comprises a hollow cavity at the bottom of the notebook computer, a mouse pad, a telescopic pulling device and a handle, wherein the mouse pad is arranged in the hollow cavity at the bottom of the notebook computer, the inner side of the mouse pad is connected with the telescopic pulling device, and the handle is arranged on an outer edge of the mouse pad. The automatic mouse pad provided by the invention not only satisfies the requirements of a user of the notebook computer for the mouse pad, but also eliminates the trouble of forgetting to take the mouse pad.

The invention provides a novel composition for removing large-volume solid stubborn oil stains. The novel composition comprises the following components in parts by weight: 20-24 parts of sodium diphenylamine-4-sulfonate, 18-20 parts of benzyltrimethylammonium tribromide, 12-16 parts of chlorocyclohexane, 8-10 parts of 2-methyl-3-butene-2-alcohol, 6-8 parts of ethylene glycol dimethacrylate, 4-6 parts of divinylbenzene, 2-4 parts of cyclohexene oxide, 2-4 parts of allyl chloride, 1-3 parts of lauroyl glutamic acid, 1-3 parts of pyrone and 2-4 parts of furaldehyde. The components have a certain wetting power agent coupling property on oil stains, and have a certain fusion interval with an oil film in the micro dynamic acting force process; part of the components have oxidability and reducibility respectively, micro-tendency oxidation-reduction reaction can occur, and meanwhile, gases such as carbon dioxide and nitrogen can be released; and after the oil stains are wetted, the oil stains are fused and the gas is released; the gas can blow the oil film, tear the oil film, carry the oil film and leave the surface of the workpiece, so that the oil film stripping process is completed.

The invention discloses an automatic safety type protective door of a cigarette making machine. The automatic safety type protective door comprises two protective door bodies, sliding blocks are arranged at the top ends and the bottom ends of the two protective door bodies, and door body guide mechanisms with the same structure and door body driving mechanisms with the same structure are mounted on the two protective door bodies. Each door body guide mechanism comprises a top sliding groove and a bottom sliding groove, the sliding blocks at the top of the protective door bodies are slidably connected with the top sliding groove, the sliding blocks at the bottom are slidably connected with the bottom sliding groove, a transmission device is arranged at the lower end of the inner side of each protective door body, and the door body driving mechanisms are connected with the transmission devices. After the automatic safety type protective door is opened, operation of workers is not affected; and meanwhile, the protective door body is automatically opened and closed under the control of the door body driving mechanisms, the preparation time is shortened, the working efficiency is improved, and a foundation is provided for unmanned automation of factories in the future.

The invention provides a preparation method of few-layer hexagonal boron nitride, belongs to the technical field of nano-materials, and solves the technical problems that an existing process for preparing the few-layer hexagonal boron nitride is complicated, low in productivity and the like. The preparation method includes the steps: placing a high-temperature stainless steel container with boron nitride powder into a muffle furnace at normal temperature; beginning to heat the boron nitride powder, performing high-temperature baking on the boron nitride powder, and keeping the temperature for 5min-300min; taking out the container after temperature keeping, rapidly adding normal-temperature cooling solvents into the stainless steel container with the boron nitride powder, and performing quenching on the boron nitride to reach normal temperature; performing centrifuging on mixture after cooling, and taking liquid supernatant to obtain a few-layer hexagonal boron nitride sample. The preparation method has the advantages that the method is high in efficiency and productivity, green, environmentally friendly and the like.

The invention provides a preparation method of an optical waveguide master mask, an optical waveguide and augmented reality equipment. The preparation method comprises the following steps: providing at least one first master mask, wherein each first master mask is provided with at least one first grating; preparing at least two grating devices by adopting the at least one first master mask, wherein each grating device is provided with a second grating complementary with the first grating; providing a bearing layer, arranging the at least two grating devices at preset positions of the bearing layer, and enabling the second grating to deviate from the bearing layer to obtain a second mother set; the optical waveguide master mask is prepared through the second master mask, the optical waveguide master mask is provided with at least two third optical gratings, the third optical gratings and the second optical gratings are complementary, and the third optical gratings and the first optical gratings are of the same structure. According to the preparation method, the preparation time of the optical waveguide master mask can be shortened, the development time is shortened, and the process cost is low.

An optical switch module including a light generation circuit, a light receiving circuit, and a control unit is provided. The light generation circuit includes a light generation unit and a control end, and generates light according to a control signal from the control end. The light receiving circuit includes a light receiving unit and a signal reading end, and is configured to receive light to generate a detection signal at the signal reading end. The control unit is configured to generate the control signal and receive the detection signal. The control unit further selectively configures the signal reading end in an input mode or an output mode. Before the control unit configures the signal reading end in the input mode to read the detection signal, the control unit configures the signal reading end in the output mode to pull up a potential of the light receiving unit.

The invention provides a novel multi-effect environment-friendly oil stain grabbing and climbing agent. The novel multi-effect environment-friendly oil stain grabbing and climbing agent comprises a component A and a component B. The component A is prepared from 40-50 parts of dodecyl dimethyl ammonium oxide, 30-35 parts of cocamidopropyl ammonium oxide, 20-25 parts of lauramide propyl ammonium oxide, 10-16 parts of tetradecyl dimethyl ammonium oxide, 8-16 parts of tallow alkyl dihydroxy ethyl ammonium oxide, 4- 8 parts of diethylene glycol monomethyl ether, 2-5 parts of isohexylene glycol, 8-10 parts of hydroxypropyl methyl cellulose, 4-6 parts of lauramide diethanol, and 3-8 parts of sodium linear alkyl benzene sulfonate; and the component B comprises the following components in parts by weight: 8-12 parts of thiourea, 6-10 parts of carbamide and 2-4 parts of sodium thiosulfate. The surfactant component provided by the invention has a certain wetting power agent coupling property on oil stains, and has a certain fusion interval with an oil film in a micro dynamic acting force process. After the oil stain is wetted, the oil stain is fused and the gas is released, the gas can blow the oil film, tear the oil film, carry the oil film and leave the surface of the workpiece, so that the oil film stripping process is completed.

The invention belongs to the technical field of oil field development, and concretely provides a dissolution system for accelerating the dissolution speed of hydrophobic associated polymers as well asa method and application thereof. The dissolution system comprises surfactants, salt and water, wherein the surfactants are nonionic Gemini surfactants. The dissolution system is used in the preparation of hydrophobic associated polymer mother liquid; through the mutual action between hydrophobic groups and the surfactants in the dissolution system, the dissolution speed of the hydrophobic associated polymers can be obviously accelerated; the preparation time is shortened; the ground preparation and injection process efficiency of the polymer oil displacement is improved.

The invention discloses a reflective material mold with flat-topped microprism arrays and a preparation method thereof. The reflective material mold is formed by the unit flat-topped microprism arrays, and the side surfaces of the unit flat-topped microprism arrays are quadrilateral. According to the reflective material mold, a V-shaped cutter is used for planing a micro V-shaped groove in a first direction, and after all planing is carried out in the first direction, a micro V-shaped groove is planed in a next planing direction, so that the reflective material mold with the same unit flat-topped microprism arrays is constructed. According to the preparation method, the planing frequency is reduced, the mold production efficiency is improved, the planing difficulty is reduced, and a manufactured flat-topped microprism array reflecting material has the excellent characteristics of meeting large-angle incidence and observation conditions and keeping a high retroreflection coefficient, a large visual angle range is better widened, the visible recognition degree of reflective signboards on road sections including high-speed entrance / exit ramps, interchange curve guide roads and the like with large visual blind areas are better increased, and the safe driving coefficient is improved.

The invention provides a tooth preparation device and intelligent tooth preparation equipment, relates to the technical field of medical instruments, and aims to solve the technical problems that in the prior art, clinical dentists have different experiences, the exact tooth preparation size is difficult to realize only depending on the hand feeling, the tooth preparation size is too deep or too shallow in the tooth preparation process, the tooth preparation treatment time is too long, a large amount of time of doctors and patients is wasted, and pain of the patients is increased due to repeated grinding. The device comprises a body, a tooth preparation assembly arranged on the body and a power assembly, and the tooth preparation assembly is arranged at the end of the body; the tooth preparation assembly comprises a fixing part and a tooth preparation end movably connected in the fixing part, the fixing part is fixedly connected with the body, a cavity used for containing teeth to be prepared is formed in the tooth preparation end, at least one grinding head is arranged on the inner side wall of the cavity, and each grinding head is provided with a grinding part; and the power assembly is electrically connected with the tooth preparation assembly. The device is used for realizing accurate and intelligent tooth preparation.

The invention provides a playing method and a device. The playing method comprises the following steps: collecting a target page currently displayed by a client; screening page elements contained in the target page to obtain at least one playable element with a preset playing mark; determining a target playable element in the at least one playable element according to a preset playing strategy; and extracting playing information from the target playable element, and playing a playing resource corresponding to the playing information through the client. According to the method and the device, the elements can be quickly played in the various page elements through the preset playing marks, and the preparation time for playing the playing resources is shortened.

The invention provides a preparation method of acetic acid, and belongs to the technical field of catalysts. The preparation method of acetic acid comprises the following steps: mixing manganese acetate with softened water to obtain a manganese acetate solution; preheating acetic acid to obtain preheated acetic acid; mixing the preheated acetic acid and the manganese acetate solution, and then heating to obtain a manganese circulating liquid; and mixing the manganese circulating liquid with acetaldehyde, and carrying out oxidation reaction to obtain acetic acid. According to the invention, the catalytic effect of a catalyst is optimized and the reaction yield is improved by changing the preparation process and process conditions; in the prior art, the solubility of manganese acetate in acetic acid is reduced along with the increase of the concentration of acetic acid, and the concentration of the finished product acetic acid is high during preparation, so that the dissolution amount of manganese acetate during preparation is reduced; and softened water is used as a dissolving solution, so that the dissolving amount of vinegar manganese can be greatly increased, the catalytic effect of the catalyst is effectively improved, and the reaction yield is increased so as to prolong the service life of the catalyst.