70results about How to "Promote industrial upgrading" patented technology

The invention relates to a preparation method of a rear-earth magnesium alloy product. The preparation method comprises the following steps of: placing dehydrated rear-earth chlorate in a melting electrolysis device; adding dehydrated magnesium chloride, potassium chloride and titanium dichloride for dispersing, mixing and carrying out melting electrolysis, so that rear-earth magnesium intermediate alloy is generated by co-electrodeposition of rear-earth ion and magnesium ion at a negative electrode; burdening and mixing the rear-earth magnesium intermediate alloy and the metal magnesium in a smelting device, wherein a molar ratio of the rear-earth metal to the magnesium is (0.1-1.0):100; heating up the rear-earth magnesium alloy mixture for melting, immersing the smelting agent inside the melt and stirring, increasing the temperature to 780 DEG C and stewing for 20 minutes for dividing the melt into an upper layer, a middle layer and a lower layer, wherein the middle melt layer is used as the rear-earth magnesium alloy melt; casting after pre-cooling, cooling and forming, and carrying out surface treatment after carrying out mechanical processing and thermal processing, so that a compact proactive film layer is covered on the surface of the rear-earth magnesium alloy product. The preparation method of the rear-earth magnesium alloy product is high in preparation efficiency, safe and reliable in process, environment-friendly and low in energy consumption.

The invention discloses a silicon-based light-emitting device and a preparation method thereof. The device includes a silicon substrate, the front of the substrate is etched to form a nano-column photonic crystal array, and a film layer containing a silicon nanocrystal quantum dot structure is conformally deposited on the array, and the film layer is covered with a transparent conformal electrode. Ohmic contact electrodes are deposited on the bottom and back; the method is as follows: using microsphere mask etching technology on the front of the substrate to obtain a silicon nanocolumn photonic crystal array through deep reactive ion etching, and then co-existing on the silicon nanocolumn photonic crystal array. Formally grow a thin film layer containing a nano-silicon quantum dot structure and a transparent conformal electrode, and deposit an ohmic contact electrode on the back of the substrate to obtain the target product. The silicon-based light-emitting device of the present invention adopts photonic crystal nano-column array and silicon nano-crystal quantum dot structure at the same time, which effectively improves the light extraction efficiency and carrier injection efficiency, thereby improving the luminous intensity and light emission efficiency of the device, and the device structure is simple, The process is simple and the cost is low.

The invention provides a three-dimensional foot type and sole pressure integrated measuring instrument. The three-dimensional foot type and sole pressure integrated measuring instrument comprises a measuring table, a data line, a power line and a computer, wherein the measuring table comprises an objective table, 3D true feeling camera sets, a sole pressure measuring plate, an indicator lamp stripand a master control circuit board, wherein the 3D true feeling camera sets are symmetrically mounted on the objective table to acquire three-dimensional foot type data; the sole pressure measuring plate is embedded in the center of the objective table to acquire sole pressure distribution data; the computer receives data acquired by the measuring table through the data line, data are subjected to treatment such as storage, editing, computing and visualization by integrated testing analyzing software mounted on the computer, and visualized display and application outputting of three-dimensional foot type and sole pressure distribution data are realized. By the three-dimensional foot type and sole pressure integrated measuring instrument, foot morphology and kinematic mechanical parametersof a user are synchronously measured and are analyzed in a fused manner, meanwhile, self-calibration can be implemented, measurement is facilitated, and parameters are abundant.

The invention relates to the field of electric vehicles, and provides a vehicle-mounted charger of an electric vehicle and a vehicle-mounted DC / DC (direct-current / direct-current) integrated system. The vehicle-mounted charger of the electric vehicle and the vehicle-mounted DC / DC integrated system comprise a charging insertion gun, a CC (communication center) confirmation line, a CAN (controller area network) communication line, a battery management system (BMS), an integrated controller, a 12V storage battery, a relay I, a relay II, a high-voltage power storage battery, a casing and a radiating system. The integrated controller mainly comprises a bridge rectifier, a relay I, a switch MOS (metal oxide semiconductor) power tube and a switch power supply transformer, the charging insertion gun, the bridge rectifier, the relay I, the switch MOS power tube and the switch power supply transformer are sequentially connected, one end of the battery management system (BMS) is connected with the charging insertion gun through the CC confirmation line, the other end of the battery management system (BMS) is connected with the relay II and directly feeds a CC confirmation signal to the integrated controller through the CAN communication line, two poles of the high-voltage power storage battery are connected with an output end of the relay I and are also connected with an output end of the switch power supply transformer through a switch K2, and two poles of the 12V storage battery are directly connected with the other output end of the switch power supply transformer.

The invention discloses a glazed door window sash. The glazed door window sash comprises two side frames and a glazed door window sash body, a mounting component is combined at each of the top and the bottom of the glazed door window sash body, the glazed door window sash body is fixed between the two side frames through the mounting components, each mounting component comprises a pressing component and a fastening component, and the pressing components and the glazed door window sash body are matched to press the fastening components to generate prestress and further fasten the glazed door window sash body. The glazed door window sash has the advantages that the glazed door window sash body is fixed with the side frames through the prestress mounting components, and glass and a glazed door window sash frame form a rigid integral rather than an existing rectangular splicing structure, so that structural stability among the glazed door window sash body and the side frames is guaranteed, the problem of deformation of a door window sash connecting structure caused by self weight of the glazed door window sash body can be avoided, the problem of falling resulting from one-sided stress does not exist, and the glazed door window sash is safer in structure and more reasonable in stress.

The invention discloses a method for preparing active carbon by white spirit grains. The method comprises the following steps of pre-drying, drying, carbonizing, activating, recovery of pyrolysis products, cooling and refining. The increment of downstream products of the white spirit grains is greater than the investment input and the economic benefit is high, while the requirement on energy conservation and emission reduction can be met and the industry upgrading of the white spirit industry is improved, the method has great significance in developing the circular economy. The invention also discloses a device for preparing the active carbon by the white spirit grains. The device comprises an integrated furnace, an air current dry feeding system, a burning furnace and a gas-fired boiler, wherein the integrated furnace consists of a drying section, a carbonizing section, an activating section, a cooling section and an unloading section which are sequentially arranged from top to bottom; a heat exchange element of the drying section comprises a gas collecting angle boxes and gas discharging angle boxes which are alternately arranged abreast, so that hot smoke gas forms multiple strands of horizontal airflow in the drying section; materials which pass through the drying section are stressed laterally so as not to easily form a bridge; therefore, the integrated furnace can normally work while the white spirit grains are treated.

The invention discloses a recording note electronic book device, which has recording function to make recording notes. The device comprises a display module, a memory unit, a microprocessing unit, a recording playing module and a reference table, wherein the display module is used for displaying contents of the electronic book; the memory unit stores at least one electronic book file; the microprocessing unit is used for reading an electronic book file and displaying the contents of the electronic book file on the display module; the recording playing module can be used for inputting a recording note after startup, and storing the recording note in the memory unit to form a recording note file; and the reference table records a corresponding connecting relationship of the recording note file and the electronic book file. Therefore, a user can easily make the recording notes and can avoid forgetting the operation.

Disclosed is an electrical power supply apparatus, comprising a switch circuit; an output circuit connected to an external power source for outputting electrical power primarily; a standby circuit connected to the external power source for outputting standby power; a discharge circuit connected between the output circuit and the external power source, to form a discharge path; and a control circuit, connected to the external power source, being capable of conducting the switch circuit for transferring a power signal of the external power source to the output circuit in a normal mode, being capable of cutting off the switch circuit for transferring a first or a second period of the power signal to the standby circuit in a standby mode, and being capable of conducting the discharge circuit for allowing the electrical power supply apparatus to discharge via the discharge circuit as the external power source is being removed.

Disclosed is a method for extracting polyglycerol from glycerol slag, which comprises the following steps: first, a certain quantity of organic solvent is added into the glycerol slag to have a two-stage heated mixing and extraction and decolouring treatment to obtain the head product with the solvent being recovered. Then, impurities like free glycerol and ester compounds in the head product are removed through a two-stage molecular distillation system to obtain the distillation product polyglycerol. Because the glycerol slag is used as the raw material to have two-stage extraction, decolouring treatment and two-stage molecular distillation, the waste glycerol slag produced during the production of glycerol distillation and molecular distillation of ester emulsifiers is used fully as a valuable material with the cost being saved and the income being increased, the industrial upgrading of polyglycerol ester is improved. The invention can ensure fully that the extracted, separated and purified polyglycerol can be used directly to have esterification reaction with fatty acid to produce the polyglycerol ester used for synthesizing food grade and cosmetic grade.

The invention relates to the technical field of medicinal plant cultivation, in particular to a Ganoderma lucidum facility cultivation method. The Ganoderma lucidum facility cultivation method includes: feeding water to lands in Ganoderma lucidum cultivation sheds after the Ganoderma lucidum is harvested, scattering lime nitrogen and / or slaked lime to watered lands, removing sun-shading systems ofthe sheds, retaining farm films, sealing the Ganoderma lucidum cultivation sheds to perform shed closing; performing deep ploughing on soil in the sheds after the sheds are closed for 7-21 days; performing chlorine dioxide neutralization and disinfection, opening the farm films, scattering seeds of Astragalus sinicus and / or ryegrass in the Ganoderma lucidum cultivation sheds after the soil is dry, and allowing the Astragalus sinicus and / or ryegrass to naturally grow; and performing arrangement on next Ganoderma lucidum cultivation after performing deep ploughing on the soil where the Astragalus sinicus and / or ryegrass is planted. The Ganoderma lucidum facility cultivation method can reconstruct a soil micro-ecosystem by performing watering, disinfection, deep ploughing, and plant fertilization on the Ganoderma lucidum cultivation sheds, and can effectively solve the problem of successive cropping obstacles of the Ganoderma lucidum.

The invention relates to a power supply device. the power supply device comprises a switch circuit, an output circuit, a standby circuit, a discharging circuit and a control circuit, wherein the output circuit is connected with an external power source through the switch circuit to output a main power supply; the standby circuit is connected with the external power source to output a standby power supply; the discharging circuit is connected between the output circuit and the external power source to generate a discharging path; the control circuit is connected with the external power source, connects the switch circuit according to a normal operation node so that the power supply signal of the external power source can be transmitted to the output circuit, disconnects the switch circuit according to a standby operation node so that the first period or second period of the power supply signal can be transmitted to the standby circuit and connects the discharging circuit when the external power source is removed so that the power supply device can discharge by the discharging circuit.

The invention provides a water-based nano high-coverage 3D printing coating which is prepared from water-based polyurethane resin, water-based nanoscale color paste, ionized water and propylene glycol at the mass ratio of (75-90):(6-10):(9-11):(1-3), wherein the solid content of the water-based polyurethane resin is 50-60%; and the fineness of the water-based nanoscale color paste is 85-100nm. The preparation method of the water-based nano high-coverage 3D printing coating comprises the main steps of preparing the water-based polyurethane resin and the water-based nanoscale color paste separately, and then fully mixing the water-based polyurethane resin, the water-based nanoscale color paste, the ionized water and the propylene glycol at the mass ratio; and adding a polyurethane thickening agent for viscosity control to prepare the water-based nano high-coverage 3D printing coating. The water-based nano high-coverage 3D printing coating has the characteristics of high coverage rate, high elasticity and high third dimension, can adapt to the diversity of printing materials, and is relatively low in production cost and suitable for large-scale industrial production, therefore, the water-based nano high-coverage 3D printing coating has potential market values and wide application prospects.

The invention discloses a fruit and vegetable juice functional additive as well as a preparation method and application thereof. The fruit and vegetable juice functional additive comprises active components of proanthocyanidins, anthocyanidin, total flavonoids, total saponins and polysaccharide in the mass ratio of the proanthocyanidins to the anthocyanidin to the total flavonoids to the total saponins to the polysaccharide being (5-15) to (10-30) to (5-12) to (2-5) to (5-10). According to the fruit and vegetable juice functional additive disclosed by the invention, a new functional additive consists of natural extracts, so that the quantity of relevant chemical food additives is reduced, particularly preservatives and suspension assisting stabilizing agents are removed, and green industrialized production of fruit and vegetable juice can be realized; and besides, the fruit and vegetable juice functional additive contains a great quantity of active components, so that after the fruit and vegetable juice is added, the health-care functions of relevant products can be increased, relevant nutrient component defects are complemented, and the added value of the product is increased. Besides, the product is solid, and is convenient to store, convenient to transport and suitable for industrialized production of enterprises. The extraction technology used by the fruit and vegetable juice functional additive disclosed by the invention is relatively independent, so that product diversification can be realized, and the added value of relevant technology products can be increased to acertain degree.

The invention relates to a preparation method for a degradable suture line, in particular to a preparation method for a degradable suture line containing polycaprolactone. According to the method, polycaprolactone (PCL) / polyvinyl pyrrolidone (PVP) blended materials and an organic solvent are dissolved into a spinning solution, and the suture line with good mechanical performance, good tissue compatibility and bio-degradable performance is obtained through dry spinning and a multi-step drafting and heat setting method. Due to the fact that PVP is added to PCL, PVP is important water-soluble polymer and has excellent hydrophilia and biocompatibility, through blending of PVP and PCL, hydrophilia of PCL can be improved, the dilution effect is achieved for the degree of crystallinity of PCL, and the degradation speed of PLC is changed accordingly. The biomedical suture line prepared from the PCL / PVP blended materials has good mechanical performance and tissue compatibility, and the degradation speed of the suture line can also better meet actual demands.

The invention discloses a natural compound natural source functional beverage and belongs to the technical field of soft beverages. The beverage is prepared from main materials and auxiliary materials, wherein the gross dry weight of the main materials is greater than 50% and the gross dry weight of the auxiliary materials is less than 50%. The main materials comprise 5-95% of soy protein micropowder, 5-95% of walnut protein micropowder, 5-95% of soy oligopeptide and 5-95% of corn oligopeptide. The compound nutritional health beverage is quick to absorb, has the certain nutritional value and the health function, has the functions of reducing blood fat and blood pressure, resisting oxidization, preventing fatigue, reducing weight, sobering, improving sleep and intestinal functions, and can be used for improving the health level of people. The natural compound natural source functional beverage meets the market demand and is good in industrial prospect in the future.

The invention discloses high-tolerance clostridium beijerinckii M17 with the collection number of CCTCC NO:M2013425, and an application of the high-tolerance clostridium beijerinckii M17 in production of butanol. The strain is prepared through normal temperature plasma mutagenesis and screening, has high tolerance to toxic substances in a non-detoxified wood fiber acid hydrolysis sugar solution, and can be used for producing butanol very well through fermentation in a fermentation liquor of which the phenol concentration reaches up to 2.0g / L, wherein the total solvent yield of the strain reaches 10.9g / L, the butanol yield of the strain reaches 7.9g / L, and even if the phenol concentration reaches up to 2.4g / L, the strain disclosed by the invention also has a considerable butanol production capacity, thereby showing that the strain namely clostridium beijerinckii M17 not only has an efficient utilization rate for a bagasse acid hydrolysis sugar solution, but also has high tolerance on toxin inhibitors particularly phenolic compounds in the bagasse acid hydrolysis sugar solution; the clostridium beijerinckii M17 is the excellent strain suitable for producing butanol by fermenting the bagasse.

The invention discloses a door and window casement, which comprises a first casement face, a second casement face, and a door and window casement side edge arranged between the first casement face and the second casement edge, wherein the door and window casement side edge is wrapped with a mounting frame; and hardware fittings of the door and window casement are mounted on the door and window casement side edge through door and window casement side edge. Through the adoption of the door and window casement, the characteristics that the door and window casement is strong in mounting stability, not easy to deform, reasonable in stress, safe in structure, and environmental in technology are realized; by covering edges with profiles around the door and window casement, the mounting and the stress of the hardware fittings are delivered to the door and window casement through the overall edge covering and a reinforcing subplate, rather than only depending on the interlocking ability of the material of the door and window casement and screws, so that the stability for the fastening mounting of the hardware fittings and the door and window casement is strengthened, the structure is more reasonable, and the door and window casement is not easy to be deformed and cracked.

The invention belongs to the technical field of aquaculture, relates to a cultivation technique of parent scallops of patinopecten yessoensis, and in particular relates to a water transportation method for ensuring living parent scallops of patinopecten yessoensis. The method comprises the following steps: selecting healthy patinopecten yessoensis at the age of sexual maturity and without pathogenic bacteria as parent scallops, washing for removing impurities on the surfaces of the parent scallops, emptying excrement in the parent scallops, putting the parent scallops into a water tank in an airtight heat-insulation cabin, transporting the parent scallops to a destination in a low-temperature environment at 2-5 DEG C, and putting the parent scallops in a fostering pond at the water temperature of 3-7 DEG C for buffering and temporary keeping. By virtue of the method, the living transportation time reaches 72 hours, and the survival rate of the parent scallops is up to 99% and above. According to the method, the process is simple, the transportation cost is low, the equipment can be reused, and the operation and popularization are facilitated. The method can be used for effectively solving the bottleneck problem of high death rate during long distance transportation in processes of cultivating of fry of patinopecten yessoensis, introduction of fine varieties from abroad and marketing, and thus has important significance in promoting upgrading and low-carbon and energy-saving healthy sustainable development of industry of patinopecten yessoensis.

The invention discloses a light organic matrix preparation method for a strawberry cultivation frame and a matching fertilizing method. The light organic matrix preparation method for the strawberry cultivation frame comprises the steps: mushroom dregs and vinegar residue matrix are mixed, wherein the volume ratio of the mushroom dregs and the vinegar residue matrixes is 3:2, the mixed material is stirred circularly, water is sprayed on the mixed material, the mixed material stands, and finally light organic matrix is obtained, wherein the volume weight of the light organic matrix is 0.25-0.28g / cm<3>, the total porosity of the light organic matrix is 65-79%, the content of available potassium is 9.8-10.2g / kg, the content of available nitrogen is 0.9-1.0g / kg, the content of available phosphorus is 0.29-0.32g / kg, the EC value of the light organic matrix is 1.0-1.3mS / cm, and the PH value of the light organic matrix is 6.7-7.0. By means of a matching fertilizing technology in the cultivation process of strawberries, 42.4kg strawberries can be harvested in total on one cultivation frame unit which occupies a 6 m<3> area place, the yield of the strawberries is increased greatly, and the light organic matrix preparation method and the matching fertilizing method can be applied to strawberry cultivation.

The invention provides a tangerine-white tea compound beverage and a preparation method thereof. The beverage is prepared from the following ingredients in parts by mass: 43-47 parts of white tea soup, 43-57 parts of clear tangerine juice, 3-5 parts of a sweetening agent, 0.05-0.15 part of a sour agent and 0.1-0.2 part of a food stabilizer. The method comprises the following steps: performing soaking, filtration and centrifugation treatment on white tea, thereby obtaining the white tea soup; performing juicing, pectinase-based enzymolysis, sterilization, filtration and centrifugation treatment on tangerine fruit flesh, thereby obtaining the clear tangerine juice; mixing the clear tangerine juice, the sweetening agent, the sour agent and the food stabilizer according to a ingredient formula of the beverage, thereby obtaining mixed liquid; and homogenizing the mixed liquid for 1-2min under a pressure of 20-30MPa, thereby obtaining the tangerine-white tea compound beverage. The tangerine-white tea compound beverage is rich in nutrition, properly sour and sweet in taste and high in taste layering, has green-yellow color, has no precipitate and gelatinous substances, and is good in uniform stability.

The invention discloses a method for making inorganic synthetic paper. After first raw materials mainly composed of inorganic mineral powder, polypropylene (PP) and a modifier and second raw materialscomposed of reclaimed materials for preparing the inorganic synthesis paper are heated and fused through an extruder, a molten sheet of a single-layer structure or a three-layer structure is formed through a thin seam former (T-type mold), a sheet even in thickness and appropriate in crystallinity degree is formed through fast cooling molding, and then the inorganic synthetic paper is made through longitudinal drawing treatment, transverse drawing treatment, surface treatment and winding or cutting treatment. The production process is free of rejection ratio, good thickness uniformity, finished product density, finished product opaqueness and physical strength are achieved, the inorganic synthetic paper can be applied to various document, printing and packaging paper, cultural paper, synthetic paper, plastic films and thick materials, and the aim of widening the application range of the inorganic synthetic paper is achieved.

The invention provides a preparation method of high-heat-conductivity veneer graphene impregnated modified wood, which mainly comprises the following steps: 1) preparing a graphene impregnation modifier by taking graphene as a heat-conductivity filler; 2) sorting a veneer, polishing the surface and side edges of the veneer, and drying to obtain a veneer test piece; 3) immersing the veneer test piece in the impregnation modifier, taking out the veneer test piece after vacuum impregnation and normal pressure impregnation, and draining the veneer test piece to obtain the graphene impregnatied modified veneer with improved heat conductivity. The method has the advantages that 1) the porosity of the wood is effectively reduced, so that the density and stability of the wood are enhanced while the heat conductivity of the wood is improved; 2) the heating time of the wood is shortened, the heat transfer efficiency is improved, and the energy consumption is reduced; 3) the wood can be used as abase material to be applied to the production of a ground heating floor, is suitable for various heating modes, and has the advantages of energy saving, consumption reduction, uniform heat dissipation, stable structure and the like.

The invention relates to a preparation method of a rear-earth magnesium alloy product. The preparation method comprises the following steps of: placing dehydrated rear-earth chlorate in a melting electrolysis device; adding dehydrated magnesium chloride, potassium chloride and titanium dichloride for dispersing, mixing and carrying out melting electrolysis, so that rear-earth magnesium intermediate alloy is generated by co-electrodeposition of rear-earth ion and magnesium ion at a negative electrode; burdening and mixing the rear-earth magnesium intermediate alloy and the metal magnesium in a smelting device, wherein a molar ratio of the rear-earth metal to the magnesium is (0.1-1.0):100; heating up the rear-earth magnesium alloy mixture for melting, immersing the smelting agent inside the melt and stirring, increasing the temperature to 780 DEG C and stewing for 20 minutes for dividing the melt into an upper layer, a middle layer and a lower layer, wherein the middle melt layer is used as the rear-earth magnesium alloy melt; casting after pre-cooling, cooling and forming, and carrying out surface treatment after carrying out mechanical processing and thermal processing, so that a compact proactive film layer is covered on the surface of the rear-earth magnesium alloy product. The preparation method of the rear-earth magnesium alloy product is high in preparation efficiency, safe and reliable in process, environment-friendly and low in energy consumption.

The invention relates to the technical field of food processing, and discloses fresh pepper fruit seasoning sauce and a preparation method thereof. The fresh pepper fruit seasoning sauce is prepared from fresh pepper fruits, water, edible salt, white granulated sugar, citric acid, sodium isoascorbate, potassium sorbate and xanthan gum, wherein the fresh pepper fruit is cooled immediately once subjected to heat treatment. According to the fresh pepper fruit seasoning sauce, non-threshed whole fresh pepper fruits are used as a raw material; by the adoption of a specific heat treatment mode, adequate auxiliaries are added to prepare a seasoning sauce product with fragrant and mellow pepper flavor; according to the product, the relative content of alkane, olefin and alcohol substances which are capable of raw hydrogen and offensive odor in the fresh pepper fruits is reduced, but the relative content of a terpene type compound and the like which serve as a main fragrance substance of the pepper is increased, so that the fragrance of the pepper seasoning sauce is more coordinated; meanwhile, the pepper processing procedures are reduced, the utilization rate of pepper resources is increased, and the production cost is reduced; furthermore, the influence caused by the conventional pepper processing method on the environment is alleviated, and upgrading of the pepper industry is facilitated.

The invention discloses a composite vegetable functional drink, which belongs to the technical field of soft drink. The drink is prepared from main materials and auxiliary materials, wherein the main materials account for over 50 percent of the gross dry weight of the drink, while the auxiliary materials account for less than 50 percent of the gross dry weight of the drink; and the main materialsconsist of 5 to 95 percent of tartary buckwheat micropowder or extract and 5 to 95 percent of burdock micropowder or extract. The composite vegetable functional drink has certain health-care effect and nutrient value, has the effects of fatigue resistance and immunity regulation, can be used as a functional drink in daily life and work of people instead of coffee drinks, and can improve the health level of people to drive industry upgrading of beverages.

The invention provides a power line transmission method and device as well as a household network system. The power line transmission device comprises an isolation unit and a power line network interface, wherein the isolation unit is connected in series between an external power line and an internal power line, can isolate a high-frequency noise signal transmitted in the external power line and can transmit a first power signal transmitted in the external power line to the internal power line from the external power line; and the power line network interface comprises at least one digital signal input / output interface for the input or the output of a digital signal, and the power line network interface can convert the digital signal, load the converted digital signal onto the first power signal so as to form a second power signal and transmit the second power signal to the internal power line. The invention provides a noise-free power line for transmitting high-quality image and voice signals, and can provide a noise-free household network system for promoting the upgrade of the industry.

The invention discloses a field emission display, a drive module and a drive method thereof, wherein the drive module comprises a power supply used for generating a power supply signal, a drive circuit connected with the power supply and used for generating a drive signal to be provided for a cathode electrode and an anode electrode of a field emission display unit, a current detection circuit configured in the drive circuit, and a control circuit connected with the current detection circuit, wherein the field emission display unit generates a drive current according to the drive signal; the current detection circuit is used for detecting the drive current and generating a detection signal according to the drive current; and the control circuit is used for receiving the detection signal and comparing the detection signal with a preset value and then generating a control signal for controlling the power supply or the drive circuit so as to adjust the drive signal. The invention provides the drive module with a current detection function so as to prolong the service life of the field emission display and promote the upgrade industry.

The invention discloses an enteric hollow cellulose capsule. The enteric hollow cellulose capsule is prepared from the following components in percentage by weight: 45-60% of hydroxypropyl methylcellulose phthalate, 25-40% of hydroxypropyl methylcellulose, 5.5-10% of agar, 0.5-1% of potassium chloride, 0.5-3% of Tween-80 and the balance of water, wherein the hydroxypropyl methylcellulose phthalateis Hp55S or Hp55, and the hydroxypropyl methylcellulose is HPMC-E4. According to the preparation method of the enteric hollow cellulose capsule, no organic solvent is used, and the enteric hollow cellulose capsule can be prepared through one-time molding by adopting a universal hollow capsule production line. The hollow capsule has a smooth and elastic capsule membrane surface, has the stabilityof no swelling, no disintegration and no drug leakage within 2 h in a simulated gastric juice environment, has the characteristic of complete disintegration and drug release within 1 h or even 30 minin a simulated intestinal juice environment, and has qualified tightness and friability, good mechanical properties and good tolerance to the environment.

The invention discloses paper straw production equipment facilitating material replacement. The paper straw production equipment comprises a paper winding machine body; a transfer conveying belt is fixedly mounted at one end of the paper winding machine body; a glue brushing frame is arranged at the other end of the paper winding machine body; a feeding frame is arranged on one side of the glue brushing frame; mounting transverse plates are uniformly and fixedly mounted on the inner side of the feeding frame; and an auxiliary mounting frame is rotationally connected to the position, corresponding to the bottom of one side of a main mounting frame, of one end of the front face of each mounting transverse plate. According to the paper straw production equipment, the feeding efficiency of raw materials is effectively improved, the working efficiency of paper straws is improved, meanwhile, paper tapes are replaced in the mode that new and old paper tapes are spliced end to end, the process of re-placing the paper tapes can be effectively omitted, the working intensity of operators is reduced, meanwhile, the tension borne by the paper tapes in the splicing process is reduced through sliding of a sliding clamping sleeve, the phenomenon that the paper tapes are broken in the splicing process is effectively avoided, and the operation stability of the mechanism is improved.

The invention relates to the technical field of design of automatic paper board folding equipment, and discloses an automatic paper board folding machine. The automatic paper board folding machine comprises a feeding mechanism and a transferring and grabbing mechanism; the transferring and grabbing mechanism is connected to a fold deepening mechanism through a first displacement mechanism and is connected to a paper folding mechanism through a second displacement mechanism; the feeding mechanism conveys paper boards through rollers and lifts the paper boards through air cylinders; a crawler belt is arranged in the transferring and grabbing mechanism; an extension rod piece on the crawler belt is connected to a plurality of pneumatic suckers; the structures of the first displacement mechanism and the second displacement mechanism are the same; each of the first displacement mechanism and the second displacement mechanism comprises displacement sliding rails and the paper boards, whereinthe paper boards are arranged on the displacement sliding rails; one ends of the paper boards are connected to displacement air cylinders; the two right-angle edges of the paper boards are connectedto stop blocks; the fold deepening mechanism comprises a lower pressing air cylinder and a fold deepening workpiece, wherein the fold deepening workpiece is connected to the lower pressing air cylinder; the paper folding mechanism comprises clamps for clamping the paper plates; the clamps are connected to a split type screw rod module through stepping motors; and a Z-axis screw rod module is arranged on the split type screw rod module.