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 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 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 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 discloses an outdoor cooking platform convenient to carry. The outdoor cooking platform convenient to carry includes a first panel, a groove is formed in the front face of the first panel, a fixing plate is fixedly connected to the left side face of the first panel, a sliding rod is fixedly connected to the inner wall of the groove, a sliding sleeve is in sleeving connected with theouter surface of the sliding rod, a movable rod is movably connected to the front face of the sliding sleeve through a first pin shaft, and a first fixing block is movably connected to the back face of one end of the movable rod through a second pin shaft. According to the outdoor cooking platform convenient to carry, a user operates a switch to make electric push rods retracted, the electric pushrods accordingly drive second fixing blocks and pulleys to move upwards, threaded cylinders rotate and accordingly make threaded columns move towards the left, a second panel moves towards the left and accordingly drives the sliding sleeve to move towards the left, therefore, the size of the outdoor cooking platform and the occupied space are reduced, it is convenient for the user to carry, takeand place the outdoor cooking platform, labor consumed when the user takes and places the outdoor cooking platform is saved, and preparation time before the user cooks is shortened.

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 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 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.