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148results about How to "Does not affect absorption" patented technology

Quantum dot structure photoelectric detector and preparation method thereof

The invention relates to the technical field of photoelectric detectors, in particular to a preparation method of a quantum dot structure photoelectric detector with a highly-doped substrate covered with a dielectric layer. The method includes steps: forming a two-dimensional material layer on the dielectric layer; coating the surface of the two-dimensional material layer with quantum dot materiallayer solution to form a quantum dot material layer; making a graphical transparent conductive film on the quantum dot material layer to complete preparation of the detector. The voltage assisted quantum dot structure photoelectric detector comprises the highly-doped substrate, the dielectric layer, the two-dimensional material layer, the quantum dot material layer and the transparent conductivefilm sequentially from bottom to top. A source electrode and a drain electrode are formed on the two-dimensional material layer which contacts with the quantum dot material layer to form a built-in electric field, and an adjustable modulation voltage identical to the built-in electric field in direction is applied between the transparent conductive film and the highly-doped substrate. Response speed and photoelectric current gain of the detector can be increased, and performances of the detector are remarkably improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Vegetable seedling substrate

The invention discloses a vegetable seedling substrate. A substrate raw material comprises, by weight, waste fungi bags, perlite, remote mountain humus soil, puffed cow dung, pine tree barks, and a Chinese medicine residue; the Chinese medicine residue is a mixture including pine needles, Radix stemonae, Eupatorium adenophora, Dendrobiumnobile, liquorices, and Codonopsispilosula, wherein the mixture is obtained through high-temperature aerobic fermentation processing. The three-phase equilibrium (solids, liquid, and air) optimum environment which can ensure growth and development of plant roots and is required by vegetables, can be established through the specific substrate raw material which has good physical and chemical properties by means of the optimum proportion; the soil is fertile and the cost is low by adoption of the remote mountain humus soil; the Chinese medicine residue including ample organic matters and ample inorganic matters, and nitrogen, phosphorus, and potassium which are required by plant growth, can improve the fertilizer efficiency of the seedling substrate and can kill bacteria; vermiculite and the perlite can change the permeability and the volume-weight of the seedling substrate, can absorb effective constituents of the Chinese medicine residue, and can play the effect of sustained release.
Owner:WULONG DENGFENG SEEDLING CO LTD

Novel electret microneedle transdermal drug delivery system

InactiveCN105816952AAchieve the effect of drug administrationImprove drug deliveryMicroneedlesMedical devicesControlled releaseReservoir type
The invention relates to the technical field of medicines, in particular to a novel electret microneedle transdermal drug delivery system. The system comprises an isolation layer and a drug-containing pressure-sensitive adhesive layer arranged on the inner side of the isolation layer, wherein an electret layer made from an electret material is arranged on the outer side of the isolation layer; a controlled-release membrane layer is arranged on the inner side of the drug-containing pressure-sensitive adhesive layer; the electret layer, the isolation layer, the drug-containing pressure-sensitive adhesive layer and the controlled-release membrane layer are arranged in sequence from outside to inside to form a reservoir type patch; a microneedle array layer is arranged on the inner side of the reservoir type patch and comprises a microneedle array formed by a plurality of microneedles; each microneedle is 20-50 microns in diameter; and the spacing between every two adjacent microneedles is 1-1.5mm. According to the system, a drug can conveniently penetrate the skin by optimizing microneedle structure and arrangement; and when the system is used, the microneedles act on the skin firstly, the drug quickly penetrates the skin through the needle holes of the microneedles, and the electret layer accelerates drug penetration to achieve a treatment effect.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY

Horticultural crop composite biological nutrient medium and preparation method thereof

The invention relates to a horticultural crop composite biological nutrient medium which comprises a substrate, and microalgae and a culture fluid thereof. The horticultural crop composite biological nutrient medium is characterized by comprising the following components in percentage by mass: 1.5-5.5% of sodium alginate, 0.5-3.5% of chitosan, 0.5-5.5% of polyacrylamide, 1-5% of sodium carboxymethyl cellulose, 5-20% of shell powder and 60.5-91.5% of clay. The microalgae are fresh water Chlorella which can be autotrophic, heterotrophic or mixedly cultured after being cultured to later exponential growth phase, the concentration is greater than or equal to 3.0*10<6>cell/ml, and the addition amount is preferably sufficient in the substrate without flowing. The invention has the effects of moisture retention, nutrient slow release and soil improvement; most materials are aquiculture byproducts, thereby changing wastes into valuable substances and having obvious environmental protection effect; and the nutrient medium can be completely degraded within 3-5 years, and can not have permanent damage on soil. The microalgae reserved in the soil can have an active effect on the soil, increase the soil fertility and improve the physical and chemical properties of the soil.
Owner:OCEAN UNIV OF CHINA

Bamboo charcoal viscose facial mask base cloth and high moisture retention and moisturizing facial mask

The invention relates to a bamboo charcoal viscose facial mask base cloth and a high moisture retention and moisturizing facial mask. The bamboo charcoal viscose facial mask base cloth is prepared with the following method: 1) adding nanometer bamboo charcoal powder and sodium alga acid into dispersion solution to be dispersed evenly in bamboo charcoal serous fluid; 2) adding the bamboo charcoal serous fluid into viscose spinning solution to be dispersed evenly, and filtering and deforming to obtain mixed spinning solution; 3) carrying out wet method spinning on the mixed spinning solution toobtain the bamboo charcoal viscose, and carrying out opening, mixing, carding and lapping to obtain a bamboo charcoal viscose felt; 4) dissolving chitosan in acetic acid aqueous solution, adding gelatin to be dissolved to obtain finishing liquor, and dipping the bamboo charcoal viscose felt into the finishing liquor to carry out impregnation modification to obtain a compound fiber felt; 5) carrying out spunlace reinforcement on the compound fiber felt. The bamboo charcoal viscose facial mask base cloth has high constraint ability on serum and good water retention and moisture liberation performance; after the facial mask serum is loaded through a liquid hanging step, the high moisture retention and moisturizing facial mask is obtained, situation that serum loss due to dripping and droppingcan be avoided, and waste is avoided.
Owner:魏科峰

Hairball-removing paste for pets and preparation method thereof

The invention especially relates to a hairball-removing paste for pets and a preparation method thereof, belonging to the field of medicines for pets. The hairball-removing paste for pets is prepared from cane sugar, glycerin, vitamins, lecithin, starch, oat sprout cellulose, a flavoring agent and magnesium sulfate heptahydrate in a specific ratio. The hairball-removing paste is simple in prescription; all the raw materials are organically combined; the prepared hairball-removing paste can effectively promote the peristalsis of the intestines and the stomachs, assists pets in smoothly excreting agglomerated hairballs in the stomachs and improves constipation of pets; the prescription for the hairball-removing paste is free of any mineral oil, so the hairball-removing paste is free of influence on nutrient absorption by the intestinal tracts of pets, beneficial for the health of pets and suitable for usage for a long time; and the vitamins added in the hairball-removing paste can prevent dermatitis and reinforce hair quality and enable the fur of dogs and cats to be soft and glossy. The invention also provides a preparation method for the hairball-removing paste. According to the method, specific varieties of raw materials in a specific ratio are employed and added according a specific sequence, so the prepared hairball-removing paste for pets has good palatability, fine handfeel, stable properties and long shelf-life.
Owner:深圳依可立康生物技术有限公司

Circular system for cultivating abundant isotope carbon and nitrogen double-labeling plant sample

The invention relates to the technical field of the isotope labeling and in particular to a circular system for a cultivating abundant isotope carbon and nitrogen double-labeling plant sample. The circular system for the cultivating abundant isotope carbon and nitrogen double-labeling plant sample comprises a sealed cultivation chamber, a CO2 injector, a gas balancing device, a nutrient solution injector and a nutrient solution circular system. The sealed cultivation chamber comprises a transparent cover and a base. The transparent cover is internally provided with a semiconductor condensation dehumidification device. The transparent cover is connected with the CO2 injector and the gas balancing device. A cultivation basin, a liquid storage chamber, an external peristaltic pump, an ultraviolet sterilizing device, a circular peristaltic pump and a converging pool are successively connected to form a circular loop of the nutrient solution circular system. The converging pool is connected with the semiconductor condensation dehumidification device and the nutrient solution injector. The cultivation basin and the liquid storage chamber are installed in the base. The top of the cultivation basin is communicated with the transparent cover. Silica sand is installed in the cultivation basin. The circular system for the cultivating abundant isotope carbon and nitrogen double-labeling plant sample is capable of simultaneously labeling the carbon and nitrogen isotope, and realizing the cyclic utilization. The pollution of normal 12 C and 14 N is avoided, and an abundant carbon and nitrogen isotope double-labeling plant can be obtained.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Sulfuric acid tail gas desulphurization device and method

The invention relates to a sulfuric acid tail gas desulphurization device and method. A multi-layer spraying, cleaning and defogging device and anti-blocking design are adopted in a desulphurization tower, and the three functions of desulphurization, cleaning and defogging are integrated by the tower. The bottom of the desulphurization tower is connected into a liquid outlet pipe and a circulating pump. The circulating pump is connected to a mixing device through a pipe. The mixing device is connected with an ammonia water pump through a pipe and connected into an ammonia water tank. Circulating solutions in the tower are ammonium sulfite and ammonium hydrogen sulfite. The higher desulphurization efficiency can be reached. The mixing device is connected into a first-level oxidation tank through a pipe and connected into a second-level oxidation tank. Secondary hydrogen peroxide oxidation outside the desulphurization tower is conducted, an ammonium sulfite solution and hydrogen peroxide fully react with each other through stirring of the air, the oxidation rate of the ammonium sulfite can reach over 98%, the quality of a by-product ammonium sulfate solution is guaranteed reliably, absorption, adjustment and oxidation are conducted on sulfuric acid tail gas, ammonium sulfate is generated, operating devices are fewer, and low power consumption and the energy-saving effect are achieved.
Owner:武汉宇青环保科技有限公司

Automobile longitudinal beam structure and manufacturing method thereof

The invention relates to an automobile longitudinal beam structure and a manufacturing method thereof, and belongs to the technical field of automobile longitudinal beams. The automobile longitudinalbeam structure comprises a longitudinal beam middle section body, an upper reinforcing plate of the longitudinal beam middle section and a lower reinforcing plate of the longitudinal beam middle section, wherein the sections of the longitudinal beam middle section body, the upper reinforcing plate of the longitudinal beam middle section and the lower reinforcing plate of the longitudinal beam middle section are of U-shaped structures; the inner wall of the longitudinal beam middle section body is fixedly connected to the outer wall of the lower reinforcing plate of the longitudinal beam middlesection in an attached mode; the inner wall of the lower reinforcing plate of the longitudinal beam middle section is fixedly connected to the outer wall of the upper reinforcing plate of the longitudinal beam middle section in an attached mode; a longitudinal beam middle section supporting plate is arranged in the upper reinforcing plate of the longitudinal beam middle section; the longitudinalbeam middle section supporting plate is of a U-shaped structure; fixing structures are arranged at the two ends of the longitudinal beam middle section supporting plate; and the fixing structures comprise a plurality of fixing plates perpendicular to each other. According to the designed automobile longitudinal beam structure, the anti-deformation capability is strong, the abnormal bending at a longitudinal beam avoiding wheel cap is avoided, the collision energy absorption is not influenced, and the living space of passengers in an automobile is further not reduced.
Owner:ZHEJIANG UFO AUTOMOBILE MFG CO LTD +1

Weight-losing tablet and preparation method thereof

The invention discloses a weight-losing tablet and a preparation method thereof, and belongs to the field of weight-losing medicines. The weight-losing tablet is prepared from the following components in parts by mass: 20 to 25 parts of white kidney bean, 30 to 35 parts of tangerine, 20 to 25 parts of raspberry fruit, 5 to 8 parts of opuntia ficus, 5 to 8 parts of folium nelumbinis, 1 to 2 parts of xylitol, 1 to 2 parts of sorbitol, 1 to 2 parts of sucralose, 2 to 5 parts of microcrystalline cellulose, 1 to 2 parts of magnesium stearate, and 0.3 to 0.5 part of edible essence. The preparation method is characterized in that in the granulating process, a granulating device by using edible vinegar as a huddling liquid is adopted. The weight-losing tablet has the advantages that the functions of controlling body weight, decreasing body lipid and reducing weight are realized; the intestine functions are regulated; the functions of resisting oxidizing and delaying aging are realized; the glycemic index of foods is reduced, and the blood glucose value is balanced; the heat absorbing is controlled; the blood lipid is regulated, the fat settling of artery is inhibited, the multiple functions of improving the health of cardiovascular vessels and the like are realized, the health and safety effects are realized, the nutrients required by a human body are maintained, and the red-face, luster-skin, health and nature effects are realized.
Owner:HUNAN KANG QI YI BAI BIOLOGICAL TECH CO LTD
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