57results about How to "Mass production" patented technology

The invention discloses tea leaf production equipment based on tea leaf fermentation, and particularly relates to the technical field of tea leaf processing.The tea leaf production equipment comprises a conveying cylinder, a supporting shaft, a rotating part, a first lantern ring, a second lantern ring and a spiral auger, and the two ends of the spiral auger are fixedly connected to the peripheries of the first lantern ring and the second lantern ring respectively; when the first lantern ring moves towards the second lantern ring, the spiral packing auger generates telescopic deformation in the axial direction of the supporting shaft, and the spiral face of the spiral packing auger is fixedly connected with a protruding strip. When a second lantern ring moves towards a first lantern ring, spiral augers are in a compressed state, then tea leaves located between the spiral augers are gathered, a supporting shaft is driven by a rotating part to rotate, the spiral augers stir-fry the tea leaves, and the tea leaves are stir-fried more conveniently. And meanwhile, the convex strips arranged on the spiral surface of the spiral auger have a rolling effect on the tea leaves, so that the tea leaves do not need to be rolled after being discharged, the operation steps are simplified, and large-scale production of tea leaf processing can be realized.

The invention discloses construction and application of a targeted exosome chimeric antigen receptor molecule for treating HIV (human immunodeficiency virus) infection, and belongs to the technical field of biological medicines. According to the invention, the mRNA for coding the anti-HIV CAR is directionally packaged into the targeting exosome. Nanometer antibody sequences of CD3, CD4 and CD8 < + > T receptors on targeted T cells are fused to the N terminal of LAMP-2B to construct a specific targeting plasmid, so that targeting peptides are expressed on the surface of an exosome membrane, expression plasmids containing RNA binding protein L7A and exosome tag protein CD63 are constructed, and HEK293F cells are co-transfected by the expression plasmids and CAR plasmids containing C / D box to obtain the exosome loaded with CAR mRNA and targeted to the T cells. When the exosome is incubated with PBMC (peripheral blood mononuclear cells) in vitro or is transfused back into a humanized mouse body, human CAR-T cells can be constructed, and the exosome has remarkable activity of killing virus infected cells.

The invention relates to a preparation method of a Ni3Sn4 / foamed nickel composite joint for high-temperature packaging. The method is characterized in that foamed nickel serves as a framework, a pure tin block serves as a filling material, a composite solder piece is manufactured according to a certain proportion, reliable connection is formed between electronic components such as an IGBT and a substrate through welding, and the micro welding spot formed by compositing IMC generated in situ and foamed nickel left after reaction is rapidly obtained. Compared with a traditional Ni / Sn / Ni structure TLP micro welding spot, the preparation time of the generated composite joint is shortened, and the composite joint has more excellent high-temperature resistance and good conductivity, meets current market requirements and can be widely applied to packaging of third-generation semiconductor power devices.

The invention discloses a preparation method and application of a pure-phase 2D perovskite passivation layer. According to the method for preparing the two-dimensional perovskite passivation layer with the single n value, passivation molecules directly react on the surface of the perovskite absorption layer through a hot pressing method to generate the two-dimensional perovskite with the single n value, on one hand, defects on the surface and the grain boundary of the perovskite can be effectively passivated, non-composite radiation centers of a perovskite thin film are reduced, and the performance of the two-dimensional perovskite passivation layer with the single n value is improved; the energy level of the solar cell is adjusted, so that the photoelectric conversion efficiency of the solar cell is improved; and on the other hand, the passivated perovskite thin film can inhibit ion migration, so that the stability of the solar cell is effectively improved. The perovskite thin film passivation method is easy to operate, large-scale production can be achieved, and the defects caused by a solvent method can be effectively overcome. The method can also be used for processing a large-area perovskite thin film, so that a new strategy is provided for preparation of a perovskite module.

The invention discloses a norfloxacin preparation as well as a preparation method and application thereof, and belongs to the technical field of medicines. The norfloxacin preparation comprises a skeleton sustained-release tablet and a regulation and control layer wrapping the surface of the skeleton sustained-release tablet, the main drug of the matrix sustained release tablet is crystal form X norfloxacin. According to the norfloxacin preparation, through a mode of combining a skeleton and membrane control, the aim of slowly releasing the drug by combining the skeleton and the membrane control is fulfilled while the drug is enhanced to cope with the influence of environmental water, heat and oxygen, and the dissolution behavior similar to that of an existing reference preparation can be achieved.

This invention provides a method for controlling the weight of a solid tire carcass and its application, relating to the field of tire carcass technology. The method includes the following steps: (a) weighing the base rubber after molding and comparing it to the standard weight of the base rubber to obtain a weight difference value; (b) correcting the amount of intermediate rubber based on the weight difference value from step (a), weighing the tire carcass after molding the intermediate rubber, and comparing it to the standard weight of the intermediate rubber tire carcass to obtain a weight difference value; (c) correcting the amount of tread rubber used in one stage based on the weight difference value from step (b), weighing the tire carcass after molding the first stage of tread rubber, and comparing it to the standard weight of the first stage of tread rubber tire carcass to obtain a weight difference value; (d) correcting the amount of tread rubber used in the second stage based on the weight difference value from step (c), and molding the tread rubber in two stages to obtain the finished tire carcass. This invention, through segmented weighing and multi-stage correction, gradually offsets the weight errors in each molding stage, achieving a tire carcass weight error of ±0.1 kg, far superior to existing weight control precision.

The utility model discloses an efficient heat dissipation switching power supply with an internal and external circulation isolation air duct, which comprises an outer shell, an inner shell, a PCBA (Printed Circuit Board Assembly) power board, a magnetic device, a heat dissipation aluminum frame, a power MOS (Metal Oxide Semiconductor) tube, an internal circulation fan, an external circulation fan and a waterproof joint, the PCBA power board forms an inner circulation air channel with the gap between the PCBA power board and the lower end wall of the first radiator and the gap between the PCBA power board and the upper end wall of the lower sealing plate, the other end wall of the outer shell is provided with a plurality of air outlet holes, and the air inlet, the gap between every two adjacent cooling fins and the air outlet holes form an outer circulation air channel. According to the utility model, the internal circulation air channel and the external circulation air channel can be isolated from each other independently, heat of the power device can be uniformly, efficiently and rapidly dissipated to the external environment, large-scale automatic production can be realized, and the heat dissipation efficiency can reach the effect of traditional air cooling; and internal components of the power supply module are completely isolated from external air and dust, so that the service life of the switching power supply is greatly prolonged.

The invention relates to the technical field of meltblown cloths, and the IPC classification number is D04H 1 / 4382. In particular, the invention relates to a preparation process of a high-performance polylactic acid meltblown cloth and an application thereof. The preparation process of the high-performance polylactic acid meltblown cloth comprises the following steps: distilled water, polylactic acid, a carboxyl compound, an enhancer, a compatibilizer, and a surface regulator are stirred and mixed, and an electret masterbatch and an anti-hydrolysis masterbatch are added and stirred and mixed, and then the cloth is sprayed and an electrostatic treatment is performed. By setting a specific heating temperature and a mixing and stirring time, the problems of poor heat resistance and poor oil absorption of the finished polylactic acid meltblown cloth can be improved. A preparation process of a high-performance polylactic acid meltblown cloth is provided, and a meltblown cloth is prepared. The meltblown cloth has good heat resistance and hydrophobic oil absorption, can meet the mass production of high-performance meltblown cloth, and is particularly suitable for the mass production of masks.

The utility model relates to an optical communication technology, concretely is a kind of optical branching filter multi-channel insertion loss test system, including light source module, optical switch module, polarization control module, reflection module, light splitting module, multi-channel power meter;The system function degree of integration is high, structure is complex, but can simultaneously realize the test of insertion loss and return loss, need not respectively use different equipment to test, simultaneously avoid to carry out winding treatment after through software processing etc. Complex action, reduce the input cost of test equipment, also simplify test procedure simultaneously, improve test efficiency.The system can provide friendly man-machine interface, facilitate to set test parameter, start test and view result.Satisfy data storage and data query integration, can generate data report according to customer requirement by setting condition, satisfy scale production and high quality detection.

The invention discloses a CTP-based transfer printing system and method. The transfer printing system includes: a plate reprinting unit, a plate dropping unit, a plate taking unit, a plate storage unit, a plate transport unit, a recycling unit and a control center unit. The transfer printing method includes: S1, inputting CTP plate information; S2, plate making; S3, plate collection and reprinting; S4, plate storage; S5, transporting CTP plate; S6, removing waste plates; S7, replacing new plates; S8, controlling the center unit to control S1-S5 and S7 in sequence, S5 and S6 are carried out simultaneously, and S1-S7 constitute a work cycle. The transfer printing system and method are systematized and streamlined, greatly saving labor input, reducing human errors, improving work efficiency and preparation, reducing damage to CTP plates, and filling the gap of transfer CTP plates in industrial large-scale production of offset printing. In addition, the transfer printing system and method are controllable and integrated, which can meet large-scale industrial production in the offset printing industry.

Described herein are Zika virus vaccines and compositions and methods of producing and administering said vaccines to subjects in need thereof.

The invention discloses a durable composite steel wire rope material and a preparation method thereof. The preparation method comprises the following steps: step 1, preparing a steel wire; step 2, surface pretreatment; step 3, preparing a corrosion-resistant coating; step 4, adding wear-resistant particles; step 5, curing treatment; step 6, quality detection; the method has the advantages that a special formula and a preparation process are adopted, so that the steel wire rope can effectively resist the influence of factors such as abrasion, fatigue and corrosion in the long-term use process, the service life of the steel wire rope is greatly prolonged, safe operation of equipment and engineering can be ensured, and the service life of the steel wire rope is prolonged. Good toughness can also reduce local damage caused by accidental impact, the reliability of the steel wire rope is improved, the production process is easy to control, the production cost is reduced, the production efficiency is improved, environment-friendly raw materials and processes are adopted, pollution to the environment is reduced, the market competitiveness of products can be improved, and the steel wire rope is worthy of popularization and application. And reliable product guarantee is provided for users.

The invention relates to lemon-flavored antibacterial atomized liquid as well as a preparation method and application thereof. The lemon-flavored antibacterial atomized liquid comprises the following components: 0.6-6 parts by weight of a lemon-flavored additive; 1-30 parts by weight of a Chinese herbal medicine extract; 0-5 parts by weight of a flavoring agent; 30 to 110 parts by weight of a solvent; the lemon flavor additive is selected from at least one of verbena essential oil and lemon grass essential oil; according to the invention, the natural plant essential oil verbena essential oil and / or lemongrass essential oil is used as the lemon flavor additive, so that the electronic atomized liquid has lemon flavor and antibacterial effect, and the modification and improvement of the flavor of the Chinese herbal medicine atomized liquid are achieved; the problems that the Chinese herbal medicine extract cannot be accepted by patients and is refused to take due to strong smell of Chinese herbal medicines are solved. In addition, the electronic atomized liquid is light in grass fragrance and medicine fragrance, and rich in faint scent, fruit fragrance and sweet fragrance, the favor of a user can be obtained more easily, and therefore the sucking and taking willingness is increased.

The utility model discloses a tin bath water drum cleaning device and a glass production line, and particularly relates to the technical field of glass preparation, the tin bath water drum cleaning device is provided with a rack, a walking mechanism and a cleaning mechanism, an installation cover is installed on the rack, a closed space is formed between the installation cover and the rack, the walking mechanism is installed on the rack, and the walking mechanism is located in the closed space; the walking mechanism comprises a walking part and a mounting frame, the mounting frame is mounted on the walking part, a first movement groove formed in the first direction and a second movement groove formed in the second direction are formed in the mounting frame, and the cleaning mechanism is mounted in the closed space and comprises a nozzle, a first cleaning assembly and a second cleaning assembly; and when the to-be-cleaned water bag penetrates through the first cleaning space and the second cleaning space in the third direction, the nozzles can spray high-pressure gas towards the to-be-cleaned water bag, the first cleaning assembly and the second cleaning assembly can clean the to-be-cleaned water bag, the to-be-cleaned water bag can be efficiently cleaned, and the production requirement is met.

The application discloses a kind of Ni doped nano SnO2 semiconductor HCHO sensing materials and preparation method and application thereof, and the preparation method of sensing material includes the following steps: step one, Sn salt-Ni salt solution is configured;Step two, using supercritical hydrothermal synthesis (CSHS) reaction device, Sn salt-Ni salt solution is contacted with supercritical water and crystallization is generated nano doped oxide, and reaction liquid is discharged and collected after cooling, and the crystalline material is separated, i.e. the Ni doped nano SnO2 semiconductor HCHO sensing material of the application.The Ni doped nano SnO2 semiconductor HCHO sensing material prepared by the method of the application has good structural consistency and excellent sensing performance.

The invention discloses a reducing sugar-fatty amine adhesive which is prepared by the following steps: adding fatty amine into a reducing sugar aqueous solution with the mass concentration of 20-60%, uniformly mixing, and reacting in a water bath at 40-60 DEG C for 10-60 minutes or stirring at room temperature for 24-48 hours, the curing temperature of the adhesive is 100-140 DEG C. The adhesive disclosed by the invention has the advantages of simplicity in preparation, low price, easily available raw materials, no formaldehyde release, excellent performance, low curing temperature and the like, and when the reducing sugar-aliphatic amine adhesive is applied to wood and bamboo bonding, excellent bonding strength and water resistance are shown; the adhesive is suitable for industrial popularization and application in the production field of plywood and shaving boards.

The present application relates to an ultrafast laser parallel processing system, and to the field of laser precision processing technology. The ultrafast laser parallel processing system includes a main processing unit, and the main processing unit includes: a first lifting and conveying module, a double-layer conveying module, a second lifting and conveying module, a connecting and conveying module, a two-way conveying line module, an identification module, a frame, a laser processing module, and an image detection module connected in sequence along a first direction. In the process of processing the workpiece, the above-mentioned ultrafast laser parallel processing system improves the efficiency of the processing line, saves time, and at the same time improves the efficiency during processing, thereby realizing automated low-cost, large-scale production.

This application discloses a miniaturized thin-film chip coupler, including a PCB board and a first coupling line and a second coupling line disposed on the PCB board. The first coupling line has an input section and a direct output section at its two ends, respectively. The second coupling line has a coupling output section and a thin-film resistor at its two ends, respectively. Multiple first branches and multiple second branches protrude from the opposite ends of the first and second coupling lines, respectively. Multiple third coupling branches and multiple fourth coupling branches protrude from the facing ends of the first and second coupling lines, respectively. A pair of fifth coupling branches protrude from the ends of the first coupling line facing the second coupling line, and a pair of sixth coupling branches protrude from the ends of the second coupling line facing the first coupling line. This miniaturized thin-film chip coupler, through structural design, simplifies the circuit structure, improves product consistency, and can meet the requirements of mass production while reducing costs.

The application relates to the technical field of sodium ion battery negative electrode materials, in particular to a closed pore directional regulation and control bamboo-based hard carbon negative electrode material and a preparation method thereof. The method is used for preparing the bamboo-based hard carbon negative electrode material through bamboo material selection and pretreatment, three-stage gradient pre-oxidation, plasma activation, molten salt auxiliary step-by-step carbonization, deep acid pickling purification, and grading ball milling and surface carbonization coating steps, accurately regulates and controls a closed pore structure, reduces defects, improves a carbon yield and batch consistency, is applied to a sodium ion battery, and realizes synchronous improvement of a first circle coulomb efficiency, sodium storage capacity, rate performance and cycle stability.

This invention relates to mupirocin compounds, specifically to a method for preparing mupirocin derivatives. The method includes the following steps: 1) benzyloxyheptenol reacts with triethyl orthoacetate via a Claisen rearrangement to generate trans-ethyl olefin ester; 2) the trans-ethyl olefin ester undergoes oxidation to remove debenzylic protection, producing an alcohol compound; 3) the alcohol compound undergoes halogenation to generate a key branched iodide; 4) mupirocin reacts with excess trimethyl orthoformate under acidic catalysis for alcohol protection, followed by ester hydrolysis under alkaline conditions to obtain polyol-protected mupirocin acid; 5) the polyol-protected mupirocin acid reacts with the iodide via a nucleophilic substitution reaction to generate a polyalkyl mupirocin ester; 6) the polyalkyl mupirocin ester undergoes alkaline hydrolysis, followed by acid-base adjustment and deprotection to obtain the crude product, which is then neutralized to acid and purified by slurrying with an inorganic base to obtain the target compound. This invention avoids harsh reaction conditions, has readily available raw materials, high yield, simple operation and purification, and can be used for large-scale production of high-quality target compounds.

The present invention belongs to the field of metal materials and processing technology, and particularly relates to a method for preparing a nano-carbon material and a metal-based composite powder and its application. The preparation method comprises the following process steps: nano-carbon material dispersion, gas-solid mixing, metal material melting, composite powder aerosol preparation, powder collection, etc. The process can prepare nano-carbon material and metal-based composite powder without significantly increasing the cost. The preparation method of the present invention can be scaled up and mass-produced, and has good application and promotion prospects.

This utility model provides a badminton shuttlecock feather arch detection device, belonging to the field of feather arch detection. It includes a workbench and a display screen and controller mounted on the workbench. A rotating seat device is located on the top of the workbench, with multiple sets of insertion holes for inserting feathers. An arch detector is located on the left side of the top of the workbench, and a support plate is located on the rear side wall of the workbench. The device also includes a clamping and loading mechanism: the clamping and loading mechanism is located on the top of the support plate. This mechanism can clamp the detected feathers and place qualified and unqualified products in their respective positions. By setting up this clamping and loading mechanism, this utility model can clamp and load qualified or unqualified feathers, placing them separately in corresponding boxes. This meets the needs of large-scale production, preventing negligence or misjudgment, improving the arch detection and classification effect, and enhancing product quality.

The invention provides a piano combined type saddle and a forming device and method, the piano combined type saddle comprises a first section of mid-high pitch saddle in a mid-high pitch area of the saddle, the tail end of the first section of mid-high pitch saddle is connected with a second section of arc-shaped bending section, and the other end of the second section of arc-shaped bending section is in transition connection with a third section of bass saddle in a bass area of the saddle; and two ends of the second arc-shaped bending section are respectively overlapped and bonded with a first section of mid-high pitch saddle in a mid-high pitch area and a third section of low pitch saddle in a low pitch area in a staggered manner, so that the whole set of saddle substrate can be bonded into a whole. The continuity, the stability and the continuity of the saddle are ensured, the resonance effect of the piano resonance disc is enhanced, and the sound quality of the piano is improved; and by adopting the structure, the saddle has greater advantages in selection of saddle materials, solid wood materials can be saved, and the utilization rate of the materials can be improved.

The invention belongs to the field of metal niobium preparation, and particularly relates to a method for preparing metal niobium through lanthanum thermal reduction, and the method comprises the following steps: S1, mixing niobium oxide with metal lanthanum chippings; s2, putting the mixed raw materials into a crucible, and paving lanthanum powder; and S3, the crucible is heated in a high vacuum environment, a reaction is conducted for 15-30 min under the condition that the temperature ranges from 950 DEG C to 1200 DEG C, and the elemental metal niobium is obtained. The prepared metal niobium is high in purity, the preparation technology is simple, the processing cost is low, the equipment structure is simple, the reaction period is short, the reaction condition is mild, energy consumption is low, and mass production can be achieved.

The invention discloses a method for regulating and controlling crystal phase defects in a direct regeneration process of a waste ternary material, and belongs to the technical field of waste battery recovery. The method comprises the following steps: placing a waste ternary material with lattice defects in an oxidizing atmosphere for impurity removal and calcination to obtain a decarbonized and defluorinated waste ternary material; and ball-milling and mixing the decarbonized and defluorinated waste ternary material, a lithium source and a fluorine-free carbon source, and carrying out two-stage pyrogenic process calcination in an oxygen-containing atmosphere to obtain the regenerated ternary material. According to the method, direct regeneration of the waste ternary material is achieved through a solid-phase sintering method under the condition that no miscellaneous elements are introduced, and the regenerated ternary material is excellent in electrochemical performance and can be compared favorably with a commercial ternary positive electrode material.

The utility model discloses a modularization easy maintenance electric energy meter belongs to the electric energy meter technical field, the electric energy meter comprises a support seat, a metering module, a communication module, a display module and a connecting assembly, one side of the support seat is hinged with a protective cover, one side of the support seat is fixedly provided with a connecting seat, the top end of the connecting seat is provided with a plurality of installing grooves, and the installing grooves are connected with the connecting seat. The metering module, the communication module and the display module are slidably mounted in the corresponding mounting grooves, and the connecting assembly is composed of first connecting parts arranged at the bottom ends of the inner walls of the mounting grooves and second connecting parts arranged at the bottom ends of the metering module, the communication module and the display module. And the first connecting part and the second connecting part are inserted and electrically connected. The electric energy meter is convenient to maintain and flexible in function.

The invention discloses a pre-pressing die for zinc sulfide preparation, and relates to the technical field of extrusion dies for zinc sulfide preparation. A pre-pressing die for zinc sulfide preparation comprises a mounting table and further comprises a rotary disc rotationally arranged on the mounting table, a plurality of rotary seats are fixedly mounted on the rotary disc, extrusion die cylinders are rotationally connected into the rotary seats, and the upper ends and the lower ends of the extrusion die cylinders are open; according to the zinc sulfide compaction device, the rotary disc is designed, and the multiple extrusion mold barrels are arranged on the periphery of the rotary disc, so that continuous and batch operation of zinc sulfide compaction operation can be achieved, meanwhile, dry zinc sulfide powder is poured into the extrusion mold barrels firstly, and then the zinc sulfide powder passes through a water injection area through the extrusion mold barrels; the water for wetting the zinc sulfide is independently injected into each extrusion die cylinder, so that the zinc sulfide which is wetted firstly can be effectively prevented from being subjected to an oxidation reaction to cause quality reduction, and meanwhile, batch and continuous production can be realized without manual operation.

The invention relates to a method for improving warping of float ultra-thin electronic glass after chemical strengthening, which comprises the step of carrying out ultrasonic cleaning on glass qualified products after conventional chemical strengthening, and is characterized by comprising the following steps: (1) preparing pickling liquid medicine which comprises the following components in percentage by weight: 5-15% of HF, 5-10% of HNO3, 10-30% of H2SO4 and 45-80% of pure water; (2) laminating the concave surface of the cleaned qualified product for protection or printing acid-resistant ink for protection; and (3) carrying out acid leaching treatment for corresponding time according to the warping degree requirement of the qualified product. The method disclosed by the invention has the beneficial effects that the warping of the strengthened glass product can be greatly reduced under the condition that the warping severely exceeds the standard after the raw sheet is chemically strengthened, the warping reduction rate reaches 80% or above, the application field of the float ultra-thin electronic glass product is greatly expanded, and the limitation of warping requirements is eliminated.

The present disclosure provides an electronic shelf label, including a rear shell (1), a screen (4), a protective sheath (5) and a lens (6). The protective sheath (5) is sheathed on an outer side of the screen (4), an accommodation groove (101) is formed on the rear shell (1), and the screen (4) is disposed in the accommodation groove (101). The lens (6) is disposed to cover a groove opening of the accommodation groove (101) and is connected to an edge of the rear shell (1). A portion of the protective sheath (5) located at an edge of a display port of the screen (4) is supported between the lens (6) and the screen (4), so that a press-resistant gap (8) is reserved between the lens (6) and the screen (4). The present disclosure solves the technical problems that the electronic shelf label is easy to be damaged and the use effect is poor.

The invention relates to the technical field of aluminum alloy conducting bars, and discloses a high-conductivity aluminum alloy conducting bar and a preparation method thereof. According to the method, the content of alloy components is accurately controlled, specific aluminum bar homogenizing temperature and cooling speed requirements are adopted, specific extrusion temperature and speed are adopted, cold deformation is performed before and after aging, and a two-stage aging process is adopted; the aluminum alloy conducting bar has the comprehensive performance of high conductivity (greater than or equal to 62% IACS), high thermal conductivity (greater than or equal to 220W / (mK)), high strength (tensile strength greater than or equal to 110MPa and yield strength greater than or equal to 110MPa) and good toughness (ductility greater than or equal to 12% and hardness greater than or equal to 30HV), meets the requirements of the field of electrical materials for high-conductivity aluminum alloy, and has wide application prospects. The problems that the material strength is reduced, the process is complex, the cost is high and the like when the electric conductivity is improved in the prior art are solved, and the method has remarkable superiority and wide application prospects.