34results about How to "Large body surface area" patented technology

A nano-class feather down powder used as the functional and health-care additive of food, feed cosmetics, medicine, or chemical fibres is prepared from the feather down of duck, goose, birds, etc through water washing, screening, shearing pulverizing, immersing in alcohol, centrifugal drying, microwave oscillating, quick cooling, low-temp pulverizing and sieving. Its advantages are no loss of active components, high specific surface area, molecular activity and affinity to human body and higher health-care effect.

The invention relates to a supergravity field micro-reactor for preparing a nanometer material. The supergravity field micro-reactor comprises a micro-reaction assembly, a material receiving groove provided with a material outlet, a first motor, a transmission system, a material inlet system and a support system, wherein the micro-reaction assembly comprises an upper disc and a lower disc, micro-grooves are respectively distributed on the bottom surface of the upper disc and the top surface of the lower disc, the center position of the lower disc is provided with a material inlet micro-pore channel, a 0.03-0.1 mm gap is arranged between the bottom surface of the upper disc and the top surface of the lower disc after the combination, the first motor drives the transmission system to operate so as to make the upper disc and the lower disc in the micro-reaction assembly rotate in opposite rotation directions, and an upper disc lifting system can be additionally arranged so as to conveniently adjust the gap between the bottom surface of the upper disc and the top surface of the lower disc in the micro-reaction assembly and wash the upper disc and the lower disc. With the supergravity field micro-reactor of the present invention, the nanometer material is prepared by using the liquid phase precipitation method, such that the high dispersion property and the uniform particle distribution of the nanometer material can be maintained while the treatment capacity can be increased and the clogging of the micro-reaction assembly can be avoided.

The invention relates to a polypropylene mesh / electro-spinning nano-fiber membrane as well as a preparation method and an application thereof. The polypropylene mesh / electro-spinning nano-fiber membrane is prepared through the following steps: (1) preparing a chitosan-polyethylene glycol hydrogel; (2) preparing basic fibroblast growth factor (bFGF) embedded polylactic acid-poly lactic-co-glycolic acid (PLGA) microspheres; (3) preparing an electro-spinning solution; (4) preparing the polypropylene mesh / electro-spinning nano-fiber membrane by use of an electro-spinning method. According to the polypropylene mesh / electro-spinning nano-fiber membrane, the polypropylene mesh and the nano-fiber membrane are compounded creatively, and therefore, the biocompatibility of the polypropylene mesh is improved by use of the nano-fiber membrane and the tensile strength of the nano-fiber membrane is improved by use of the polypropylene mesh, and the polypropylene mesh and the nano-fiber membrane supplement each other; in addition, the microspheres are introduced to realize controlled drug release; as a result, lots of defects of the clinical existing polypropylene meshes can be overcome.

The invention relates to a medicinal preparation whose main medicinal constituent is the extract of active fleabane ingredient, and its preparing process, wherein the dispersible tablet comprises 10-80 wt% of the extract micro powder of active fleabane ingredient and balancing medicinal auxiliary materials, the preparation can be used for activating blood circulation, removing stasis, improving heart and brain blood circulation, and increasing anoxybiotic tolerant capacity, thus is mainly suitable for treating cardiovascular and cerebrovascular diseases and their after-effects, eyeground retina venous clogging, vasculitis skin diseases and rheumatosis.

The invention discloses a traditional Chinese medicine soaking and washing liquid used for treating neonatal jaundice. Neonatal jaundice is caused by intrinsic dampness evil in the spleen and stomach. The liver fails to maintain the normal flow of qi, and the bile spills, such that a yellowing phenomenon appears. Aiming at the problem, the medicine liquid provided by the invention adopts traditional Chinese medicines with heat clearing, dampness eliminating, liver soothing, qi regulating, stagnation eliminating, stasis removing, blood activating, and blood stasis removing functions, such as alsine-like evolvulus herb, common goldenrod herb, society finch, fodder vetch herb, amur corktree bark, Asiatic plantain seed, snowbelleaf tickclover herb, trogopterus dung, polygonum cuspidatum, Chinese thorowax root, and immature tangerine fruit. The traditional Chinese medicines are prepared into the soaking and washing liquid, and the liquid is used for soaking and washing neonate body surface. As a result of clinical experiments, a markedly effective rate and a total effective rate respectively reach 64.3% and 97.1%. The rates are substantially better than a control group. With the liquid, the time spent for reducing serum bilirubin to a normal value is substantially shorter than that of the control group, and sleep quality is better than that of the control group. The treatment method is simple, and the cost is low. Therefore, the traditional Chinese medicine soaking and washing liquid is worthy of clinical application.

The invention discloses an electronic cigarette heating body and a preparation method thereof. The electronic cigarette heating body comprises a resistor with a set resistance value, two ends of the resistor are electrically connected with a negative electrode and a positive electrode of a battery to form an electric heating body, the electric heating body is a screw body wound by an electric heating alloy capillary hollow tube, leads are welded at two ends of the screw body to form two electrodes of the electric heating body, and the two electrodes of the electric heating body are connected with the negative electrode and the positive electrode of the battery. According to the electronic cigarette heating body, the electric heating alloy capillary hollow tube replaces a heating wire to wind the screw body, and the body surface area is greatly increased without changing sectional area.

The invention relates to an experimental system for detecting coke water vapor reactivity and belongs to the field of chemical experimental equipment. The experimental system comprises an infusion unit, an evaporation unit and a heating furnace. The infusion unit comprises a beaker and a speed regulation type peristaltic pump. The beaker and the speed regulation type peristaltic pump are connectedthrough a liquid supply pipe. The infusion unit is used for conveying a reaction solution to a device. The evaporation unit includes a water vapor generator, the lower end of the water vapor generator is connected with the liquid supply pipe, the upper end of the water vapor generator is provided with an upper flow stabilizing sheet and a lower flow stabilizing sheet, and round holes are evenly formed in the upper flow stabilizing sheet and the lower flow stabilizing sheet; a quartz tube is arranged inside the heating furnace, a weighing balance is arranged on the top of the heating furnace,a sample cage is hung below the weighing balance, and the water vapor generator is vertically arranged inside the quartz tube. According to the experimental system, the speed regulation type peristaltic pump can stably control the supply amount and supply speed of distilled water, and the upper flow stabilizing sheet and the lower flow stabilizing sheet provided with staggered round holes in the water vapor generator can stably perform evaporation of the distilled water and prevent splashing.

The invention relates to the technical field of chemical engineering, in particular to a water-soluble fertilizer for soil improvement and a preparation method thereof. Montmorillonite is used for preparing sodium polyacrylate after being subjected to modification treatment and is mixed with urea, potassium sulfate, urea phosphate, sodium salicylate, trace element compounds and medium element compounds in reasonable proportion to prepare the water-soluble fertilizer. The water-soluble fertilizer is remarkable in effect after being applied to crops, meanwhile heavy metals coagulate in soil, and accordingly the heavy metal absorption rate of the crops is reduced.

The invention discloses an MEMS lithium battery. The MEMS lithium battery comprises a first housing, a second housing and an electrolyte, wherein a cavity is formed in the first housing and a battery positive electrode is integrally formed in the cavity; the second housing and the first housing are manufactured by use of a same material; a cavity abutted with the first housing is formed in the second housing, and a battery negative electrode is integrally formed in the cavity; the electrolyte is received in the cavity between the first housing and the second housing. The invention also provides a manufacturing method of the MEMS lithium battery. The MEMS lithium battery is simple in preparation process, and can be produced in a large batch, and therefore, the production cost can be reduced; the uniformity and reliability of battery preparation can be greatly improved; the two-dimensional structure of each electrode can be changed into a three-dimensional structure so that the surface area of the electrode can be greatly increased, the charge transfer resistance can be reduced and the ion transference number can be increased, and therefore, the energy density and the power density of the battery can be greatly improved; the ion migration path can be shortened so that the charging time of the battery can be reduced.

The invention discloses a manufacture method for a micro-electromechanical system (MEMS) lithium battery. The manufacture method comprises the steps of manufacturing a first shell and a second shell separately; and then packaging the first shell and the second shell together so as to form the battery. A cavity is formed in the first shell, and a positive electrode of the battery is integrated in the cavity. The second shell is made from a material the same as the material of the first shell. A cavity docking with the first shell is formed on the second shell. A negative electrode of the battery is integrated in the cavity. The manufacture method for the lithium battery is simple, can produce the lithium batteries in volume, lowers the production cost, and can greatly improve the consistency and reliability of battery preparation; the two dimensional structure of the electrode is changed into the three dimensional structure, so that the surface area of the electrode is greatly increased, the charge transfer resistance is reduced, the ion transference number is improved, and the energy density and power density of the battery are greatly improved; and the ion transference path can be shortened, and the battery charging time can be shortened.

The invention discloses an intelligent electric power cabinet which comprises a main body structure, a heat dissipation mechanism, a support mechanism, an electrical component mechanism and a control mechanism. The main body structure comprises an electric power cabinet body, a first round hole, a storage grid, a cabinet door and a side hole. According to the invention, the interior of the main body structure can be rapidly cooled through a refrigerator, moisture in the main body structure can be rapidly dried through a hot air blower, the humidity and the temperature on the electrical component strip can be detected in a large area by connecting a humidity sensing line and a temperature sensing line to the detector so that the detection data is more accurate, and the control mechanism is connected with the detector through a wire; and data detected by the detector can be transmitted to the control mechanism so that the inspection work of a worker is facilitated, the waste of electric power resources during long-term work of the refrigeration mechanism is avoided, and the temperature and humidity conditions in the main body structure can be intelligently mastered and controlled.

The invention relates to a high-temperature-resistant heat insulation board. Comprising the following components in parts by mass: 12-14 parts of nitrile rubber, 6-9 parts of polyvinyl chloride, 6-10 parts of butyl rubber, 4-10 parts of ethylene propylene diene monomer, 2-3 parts of expanded graphite, 13.5-17 parts of paraffin oil, 1-1.6 parts of hydrotalcite, 10-15 parts of a composite foaming agent, 17-25 parts of a flame retardant, 1.6-3 parts of a filling agent, 1.3-3 parts of an accelerant, 0.45-4.6 parts of an activating agent, 0.3-2 parts of a vulcanizing agent and 0.6-2 parts of a plasticizer. Nitrile rubber, butyl rubber, polyvinyl chloride and ethylene propylene diene monomer are used as main raw materials, expanded graphite, paraffin oil and hydrotalcite are used as auxiliary materials, and a composite foaming agent, a flame retardant, an accelerant, an activating agent, a vulcanizing agent, a filling agent and a plasticizer are used as auxiliaries. The thermal insulation board is low in heat conductivity coefficient, good in heat resistance, good in heat insulation property, good in flame retardance, good in stability, safe and environmentally friendly, the flame retardance of the thermal insulation board is improved, and the thermal insulation board has the advantages of being low in heat release rate and little in smoke when a fire breaks out and can better meet the requirements of modern fireproof materials.

The invention discloses a traditional Chinese medicine soaking and washing liquid used for treating neonatal jaundice. Neonatal jaundice is caused by intrinsic dampness evil in the spleen and stomach. The liver fails to maintain the normal flow of qi, and the bile spills, such that a yellowing phenomenon appears. Aiming at the problem, the medicine liquid provided by the invention adopts traditional Chinese medicines with heat clearing, dampness eliminating, liver soothing, qi regulating, stagnation eliminating, stasis removing, blood activating, and blood stasis removing functions, such as alsine-like evolvulus herb, common goldenrod herb, society finch, fodder vetch herb, amur corktree bark, Asiatic plantain seed, snowbelleaf tickclover herb, trogopterus dung, polygonum cuspidatum, Chinese thorowax root, and immature tangerine fruit. The traditional Chinese medicines are prepared into the soaking and washing liquid, and the liquid is used for soaking and washing neonate body surface. As a result of clinical experiments, a markedly effective rate and a total effective rate respectively reach 64.3% and 97.1%. The rates are substantially better than a control group. With the liquid, the time spent for reducing serum bilirubin to a normal value is substantially shorter than that of the control group, and sleep quality is better than that of the control group. The treatment method is simple, and the cost is low. Therefore, the traditional Chinese medicine soaking and washing liquid is worthy of clinical application.

The invention relates to a polypropylene mesh sheet / electrospinning nanofiber membrane and a preparation method and application thereof. The polypropylene mesh / electrospun nanofibrous membrane was prepared by the following steps: 1) preparation of chitosan‐polyethylene glycol hydrogel; 2) preparation of polylactic acid‐glycolic acid copolymer embedded with basic fibroblast factor bFGF PLGA microspheres; 3) preparation of electrospinning solution; 4) preparation of polypropylene mesh / electrospinning nanofiber membrane by electrospinning. The invention creatively combines the polypropylene mesh with the nanofiber membrane, uses the nanofiber membrane to improve the biocompatibility of the polypropylene mesh, and uses the polypropylene mesh to improve the tensile strength of the nanofiber membrane, the two complement each other, and then The introduction of microspheres to achieve controlled release of drugs can fill in many deficiencies of the existing clinical polypropylene mesh.

The invention discloses infant jaundice removing Yao medicine bubble bath liquid, which is prepared from the following ingredients in parts by weight: 30 to 120 parts of beautiful phyllodium branchlet and leaves, 20 to 100 parts of fructus gardeniae, 20 to 100 parts of herba boltoniae indicae, 30 to 120 parts of honeysuckle stems, 30 to 120 parts of cortex nauclea officinalis and 30 to 120 parts of herba artemisiae capillaris. The invention also discloses a preparation method of the infant jaundice removing Yao medicine bubble bath liquid. The matching of the whole recipe is precise and appropriate; the efficacies of clearing heat, promoting diuresis and removing toxicity and jaundice are achieved; warm water bubble bath is combined, so that the functions of promoting the gastrointestinal peristalsis, promoting the defecation and reducing the bilirubin enterohepatic circulation are realized; a better jaundice removing effect is achieved. In the whole recipe, the liniment is used as the major ingredient; the wind-dispelling and liniment effects are achieved; the evil is eliminated without body resistance damage; the idea of wind deficiency and liniment fullness and the fullness and deficiency balance of Yao medicine is sufficiently realized.

The invention relates to the technical field of chemical industry, in particular to special fertilizer for brassica juncea and a preparation method. The special fertilizer is prepared from raw materials as follows: urea, potassium sulfate, ammonium phosphate, thiosulfate, boric acid, zinc sulfate, magnesium sulfate, amino acid powder and sodium salicylate. The special fertilizer has remarkable fertilizer efficiency and comprehensive nutrition, is pollution-free and reduces heavy metal absorption of the brassica juncea.

The invention provides a water vapor generating method of a coke reactivity measuring device, and belongs to the technical field of chemical reactions. According to the water vapor temperature and flow needed by an experiment, the flow of distilled water is calculated, the flow of a speed regulating type peristaltic pump of a water vapor generating device is adjusted, under driving of the speed reducing type reducing peristaltic pump, the distilled water flows to a water vapor generator of an evaporating unit from a beaker through a liquid supply pipe, the water vapor generator is in a funnelshape, the distilled water moves upwards in the water vapor generator, the evaporating area of the distilled water is gradually increased, when moving to the top of the water vapor generator, the distilled water is gasified into water vapor, and the water vapor enters a quartz pipe through the water vapor generator. By precisely controlling the temperature of the experimental water vapor, the flowand the airflow stability, and the coke reactivity measuring device can be directly used for a coke solution loss reaction or other laboratory studies of the water vapor and other gases at differenttemperature and different flow.

The invention provides a planting method of selenium-rich tomato, comprising the steps, such as preparing a land, planting seedlings, and applying fertilizer. Selenium ore is used herein as a selenium supplement and is ball-milled into superfine powder with a ball mill, the surface area of the ground selenium ore is increased, the contact area of tomato roots with selenium is increased, and the absorption of selenium is more facilitated; in addition, indolebutyric acid is added herein, a root system can absorb selenium better, fertilizers are reasonably selected for application, the usage of chemical fertilizers is reasonable, and the requirement on the production of green ecological foods is met.

The invention discloses an online static oil filter device and method for a wind power generator gear case, and belongs to the field of wind power generation. A power distribution box and a control box are included and sequentially electrically connected. An oil inlet, an inlet valve, an oil pump, a static filter, a middle valve, a tail end filter, an outlet valve and an oil outlet are further included and are sequentially arranged along an oil path. The control box is connected with the static filter. Through the static oil filter method, oil mud, oxide, metal particles and other impurities which cannot be filtered through an existing online wind power gear case filter method due to the too small size originally are filtered out, the surface area of a consumable dust collecting body is large, and the service life is relatively long; and meanwhile, the energy consumption of the device is low, and the important significance is achieved for prolonging the service life of the wind power generator set gear case, improving the intelligent degree of a wind power generator set and increasing the utilization hours of the wind power generator set.

A nano-class feather down powder used as the functional and health-care additive of food, feed cosmetics, medicine, or chemical fibres is prepared from the feather down of duck, goose, birds, etc through water washing, screening, shearing pulverizing, immersing in alcohol, centrifugal drying, microwave oscillating, quick cooling, low-temp pulverizing and sieving. Its advantages are no loss of active components, high specific surface area, molecular activity and affinity to human body and higher health-care effect.

The invention discloses a trapezoidal gallium nitride micron wire array photoelectric detector and a preparation method thereof. The detector comprises: a silicon substrate; silicon dioxide insulating layers formed on the silicon substrate at intervals, so that a plurality of groove structures are formed on the substrate which is not covered with the silicon dioxide insulating layers; gallium nitride micron wires formed in the groove structures, wherein the extension direction of the micron wire is consistent with the extension direction of the groove structure, and the gallium nitride micron wire is higher than the silicon dioxide insulating layer; aluminum nitride buffer layers formed in the gallium nitride micron wires of the groove structures; and a plurality of metal electrodes arranged above the gallium nitride microwires and the silicon dioxide insulating layer and perpendicular to the directions of the groove structures. According to the invention, the photoelectric detector has the good characteristics of high light / dark current, quick response, high on / off current ratio, wide detection range and the like, and the device structure is easy to grow and manufacture.

The invention provides a method for producing polysilicon ingots. The method comprises the following steps: (a) mixing nanoscale silicon powder and absolute ethyl alcohol, and coating the bottom surface inside a crucible with the mixture; and (b) adding silicon into the crucible, and performing ingot casting production, thereby obtaining the polysilicon ingots. Compared with the prior art, the method for producing the polysilicon ingots provided by the invention has the advantages that the nanoscale silicon powder serves as a nucleating agent; and because the body surface area of the nanoscale silicon powder is large, more nucleating points are uniformly induced, and macroscopic crystal defects such as crystal boundary and dislocation due to spontaneous disordered growth of the crystal are reduced, so that the number of sub-load centers in the crystal is further reduced, and the photoelectric conversion efficiency of the polysilicon is greatly improved.

The invention discloses a water vapor generating device for a laboratory, and belongs to the technical field of vapor generation. The water vapor generating device comprises a liquid conveying unit, an evaporating unit and a heating furnace, wherein the liquid conveying unit comprises a beaker and a speed-regulating type peristaltic pump; the evaporating unit comprises a funnel-shaped water vaporgenerator; the upper end of the water vapor generator is equipped with an upper steady-flow sheet and a lower steady-flow sheet; circular holes are uniformly distributed in each of the upper steady-flow sheet and the lower steady-flow sheet; a vertical quartz tube is arranged in the heating furnace; and the water vapor generator is vertically arranged inside the quartz tube. According to the watervapor generating device disclosed by the invention, water supply amount and supply speed of distilled water can be stably controlled, and the upper steady-flow sheet and the lower steady-flow sheet with staggered circular holes in the water vapor generator can be used for stably evaporating distilled water and preventing the distilled water from being splashed, so that experimental requirements are met.

The invention discloses a filling material with curves and angles and a manufacturing method thereof, and the invention is characterized by the filling material with curves and angles and the manufacturing method thereof. The invention employs non-metallic PVDF and PVC sheet materials, and the manufacturing method comprises the following steps: carrying out surface processing of PDVF and PVC sheet materials (dense); softening and cooling; performing mechanical moulding by multiple processes; forming filling materials with a 2.0 mm-30 mm peak height and a 5-60 degree inclination angle. The present invention has the beneficial effects that the filling material with curves and angles has the advantages of (1) corrosion resistance; (2) easy installation and easy maintenance; (3) environmental protection; (4) usage in the case that metal can not be used; (5) solution of disadvantages of frangible and heavy ceramic; (6) about 15% larger body surface area and 20% smaller resistance than those of the filling material of the same model.

The invention provides a water vapor generating method of a coke reactivity measuring device, and belongs to the technical field of chemical reactions. According to the water vapor temperature and flow needed by an experiment, the flow of distilled water is calculated, the flow of a speed regulating type peristaltic pump of a water vapor generating device is adjusted, under driving of the speed reducing type reducing peristaltic pump, the distilled water flows to a water vapor generator of an evaporating unit from a beaker through a liquid supply pipe, the water vapor generator is in a funnelshape, the distilled water moves upwards in the water vapor generator, the evaporating area of the distilled water is gradually increased, when moving to the top of the water vapor generator, the distilled water is gasified into water vapor, and the water vapor enters a quartz pipe through the water vapor generator. By precisely controlling the temperature of the experimental water vapor, the flowand the airflow stability, and the coke reactivity measuring device can be directly used for a coke solution loss reaction or other laboratory studies of the water vapor and other gases at differenttemperature and different flow.