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319results about How to "Reduce absorption" patented technology

Weight-losing enzyme and preparation method thereof

The invention relates to a weight-losing enzyme and a preparation method thereof, and belongs to the technical field of biology, and the weight-losing enzyme comprises a fruit enzyme, a vegetable enzyme, a seed enzyme and a lotus leaf extract; the fruit enzyme is obtained by performing enzymolysis on mixed fruit pulp of apples, lemons, grapefruits and haws through pectinase, performing enzymolysis through pepsase and performing co-fermentation through bifidobacterium longum and lactobacillus acidophilus; the vegetable enzyme is obtained by performing enzymolysis on mixed vegetable pulp of wax gourd pulp, celery and spinach through pectinase, performing enzymolysis through pepsin and performing fermentation through lactobacillus plantarum and bifidobacterium adolescentis; the seed enzyme is obtained by carrying out trypsin enzymolysis on mixed powder of semen raphani and phaseolus calcaratus, then carrying out nattokinase enzymolysis and then fermenting with bifidobacterium breve; the lotus leaf extract is obtained by sequentially carrying out enzymolysis on lotus leaves through hemicellulase, snail protease and nattokinase. All the components are matched for use, so that the weight-losing food has the effects of promoting digestion, inhibiting fat absorption, regulating intestinal flora, promoting metabolism and the like, and has a good weight-losing effect.
Owner:FOSHAN HELI BIOTECHNOLOGY CO LTD

Remote sensing image haze removal processing method and system

The invention discloses a remote sensing image haze removal processing method and system, and relates to the technical field of image processing. The method comprises the steps of obtaining a to-be-processed remote sensing image; extracting wave band data of a plurality of wave bands in the remote sensing image to be processed, and determining a reference wave band and a plurality of target wave bands based on the wave band data; based on the reference wave band, determining an atmosphere illumination parameter, and calculating a transmittance distribution diagram of each target wave band; for each target wave band, carrying out haze removal processing on the target wave band according to the atmosphere illumination parameters and the transmittance distribution diagram to obtain an initial haze removal image of the target wave band; and performing fusion processing on the initial haze-removed images of the target wavebands to obtain a haze-removed image corresponding to the to-be-processed remote sensing image. By implementing the technical scheme provided by the invention, the effect of improving the accuracy of haze removal processing of the remote sensing image is achieved.
Owner:BEIJING DIXING WEIYE DIGITAL TECH CO LTD

Hydrogel capable of absorbing grease as well as preparation method and application of hydrogel

The preparation method comprises the following steps: mixing polysaccharide gum with water, carrying out wet ultrafine grinding to obtain an ultrafine polysaccharide gum aqueous solution, and uniformly infiltrating the polysaccharide gum into cellulose or derivatives thereof by adopting high-shear mixing to form micelles; and promoting the micelles to form a honeycomb structure through microwave vacuum drying, and finally spraying ultrapure water atomized by high pressure to the honeycomb micelles and drying to obtain the hydrogel for absorbing grease. The water absorption capacity of the prepared hydrogel reaches 100 times or above, the storage modulus is 1350 Pa or above, grease can be efficiently absorbed, and the hydrogel has wide development prospects in the field of weight-reducing medicine or food.
Owner:SHANGHAI PANDA MEDICAL CO LTD +1

Spectral analysis device and control method thereof

The invention discloses a spectral analysis device and a control method thereof, and relates to the technical field of spectral analysis. The spectral analysis device comprises a spectral analysis chamber, a measuring gas chamber and a sample loading device. A light source and a detector are arranged in the spectrum analysis chamber; the measuring gas chamber is adjacent to the spectral analysis chamber and is used for providing required adjustable atmosphere conditions for a sample to be detected, and an optical window for an optical signal to pass through is arranged between the measuring gas chamber and the spectral analysis chamber; a to-be-tested sample is placed on the sample loading device. The measuring gas chamber is additionally arranged at the position adjacent to the spectral analysis chamber, and can provide required adjustable atmosphere conditions for the sample to be detected, so that the stability of environmental conditions in the analysis process is ensured. When XRF or LIBS spectral analysis is carried out, absorption of the atmosphere to spectral signals in a light path can be effectively reduced. The arrangement of the measuring air chamber can separate the sample to be measured from the optical window, so that attenuation and distortion of spectral signals caused by attachment of external dust are effectively avoided, and the acquired spectral data are ensured to be more accurate.
Owner:CHANGSHA KAIYUAN INSTR

Photovoltaic cell and manufacturing method thereof, laminated cell and photovoltaic module

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a manufacturing method thereof, a laminated cell and a photovoltaic module, the photovoltaic cell comprises a substrate with a front surface and a back surface opposite to each other along a first direction, and the back surface is provided with first metallized regions and first non-metallized regions which are alternately arranged; the tunneling layer and the doped polycrystalline silicon layer are located on the back face and are sequentially stacked in the first direction; the amorphous silicon layers are arranged at intervals and embedded in the part, located in the first metallization region, of the doped polycrystalline silicon layer, and the first thickness of the amorphous silicon layers is smaller than the second thickness of the part, located in the first non-metallization region, of the doped polycrystalline silicon layer in the first direction; the back electrodes are in one-to-one correspondence with the amorphous silicon layers and are at least in contact connection with the amorphous silicon layers, and the back electrodes are embedded into the amorphous silicon layers with at least partial thickness in the first direction. The embodiment of the invention is at least beneficial to improving the light absorptivity of the substrate and avoiding further permeation of the electrode so as to comprehensively improve the photoelectric conversion efficiency of the photovoltaic cell.
Owner:JINKO SOLAR (SHANGRAO) CO LTD +1

Precipitation supported slow-release carbon-based iron fertilizer and preparation method thereof

The invention discloses a precipitation-supported slow-release carbon-based iron fertilizer and a preparation method thereof, and the preparation method specifically comprises the following steps: firstly, putting a biological carapace heavy metal adsorbent into a calcium hydroxide solution for dipping, drying, then putting the biological carapace heavy metal adsorbent into a ferrous sulfate solution for dipping in two times, and finally drying and granulating. Precipitated ferric hydroxide, a ferrous hydroxide mixture and excessive ferric sulfate are uniformly dispersed and attached to the interiors of pore channels of the porous adsorbent, and the excessive ferric sulfate can quickly provide iron ions for antagonistic cadmium and arsenic ion absorption in the early growth stage of rice. Precipitated ferric hydroxide and ferrous hydroxide wrapped by calcium sulfate in the porous adsorbent not only can realize long-acting slow release of iron ions, but also can reduce the oxygen content of soil, and iron ion antagonism and precipitation type adsorption loading modes are carried out in the whole growth process of rice, so that the release period of the iron ions is greatly prolonged, and the soil quality is improved. The iron fertilizer disclosed by the invention has an excellent rice cadmium-arsenic antagonism effect and has an excellent application prospect.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI

Fertilizer synergistic composition, special corn fertilizer and preparation method thereof

The invention relates to a fertilizer synergistic composition, a special corn fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The fertilizer synergistic composition comprises the following components in percentage by weight: 0.6%-5.0% of polyaspartic acid, 1.2%-4.0% of polyacrylamide, 0.3%-2.0% of a nitrification inhibitor and the balance of zeolite powder. The invention also provides a special corn fertilizer containing the fertilizer synergistic composition. The polyacrylamide in the composition provided by the invention can improve the soil structure, increase the porosity and air permeability of the soil, improve the water retention capacity of the soil and reduce the permeability of the soil, so that the fertility of the soil and the yield of crops are improved. According to the fertilizer synergist, the utilization degree of a fertilizer is increased, the release speed of the fertilizer is controlled, and the fertilizer can act for a long time.
Owner:XINYANGFENG AGRI TECH CO LTD +1

Environment-friendly cooling and radiation-proof refrigeration coating and preparation method thereof

The invention discloses an environment-friendly cooling anti-radiation refrigeration coating and a preparation method thereof, and belongs to the technical field of coating preparation. The raw materials are prepared from core materials, auxiliary materials and ingredients. The core material is prepared from a main raw material, hollow glass beads and environment-friendly resin, the auxiliary material is prepared from a nano additive and mineral pigment, and the ingredients are prepared from ferroferric oxide, nano titanium dioxide, diopside and polyvinylidene fluoride. The main raw materials comprise carbon quantum dots, carbon nanofibers, carbon nanospheres and graphene quantum dots; the environment-friendly resin base material is prepared from waterborne polyurethane resin, rosin resin, shellac resin and polytetrafluoroethylene; the nano additive is composed of silicon carbide, carbon black, carbon fibers, magnesium borate and carbon nanotubes. According to the coating, solar energy can be converted into light energy, the sunlight reflectivity of the coating is improved through the unique optical property of the coating, the sunlight reflectivity of the coating can be correspondingly improved along with increase of the sunlight intensity, and therefore the situation that a building absorbs excessive heat is avoided.
Owner:彭灿 +1

Preparation method of high-sensitivity terahertz metasurface dual-mode sensor

The invention discloses a preparation method of a high-sensitivity terahertz metasurface dual-mode sensor, and belongs to the field of terahertz biochemical sensing. The terahertz metasurface sensor is prepared in the mode that the dielectric layer is firstly patterned and then overall coating is conducted, the liquid thickness can be accurately controlled to be in the micron order through the patterned dielectric layer, when a biological sample solution is detected, THz wave absorption is reduced by reducing the amount of liquid to be detected, and the detection accuracy is improved. Therefore, the test problem caused by THz wave strong absorption of the polar liquid to be tested is solved to a certain extent; meanwhile, due to the design of the graphical dielectric layer, the volume of an overlapped area of the sample and strong field energy is increased, the terahertz wave-substance interaction is greatly enhanced, and higher device sensitivity is achieved. In addition, the dual-mode sensor prepared by the method can generate perfect absorption peaks of two modes at the same time under oblique incidence excitation of terahertz waves, and the two modes have good angle robustness and high performance under excitation of TE / TM waves.
Owner:PEKING UNIV

Aircraft tire test energy control method and system

The invention relates to the technical field of energy control, in particular to an aircraft tire test energy control method and system, and aims to solve the problem that in the prior art, tire energy absorption test precision is poor. Carrying out landing deceleration simulation on the aircraft tire based on load, inertia simulation and a brake; motor energy, brake absorption energy and drum residual energy of the aircraft tire in the landing deceleration simulation process are calculated in real time; the method comprises the following steps: calculating an absorbed energy measured value of an aircraft tire in real time based on initial rotation energy, motor energy, brake absorbed energy and drum residual energy, and carrying out closed-loop feedback regulation on output of a motor based on the absorbed energy measured value and a pre-constructed target curve to reduce the deviation between the absorbed energy measured value and a target value. According to the invention, the experiment control process is more accurate, and a target curve can be accurately fitted.
Owner:CHONGQING CAERI AUTOMOBILE TEST EQUIP DEV +1

Precipitation load type coated slow-release carbon-based iron fertilizer and preparation method thereof

The invention discloses a precipitation-supported coated slow-release carbon-based iron fertilizer and a preparation method thereof.The preparation method specifically comprises the steps that a biological crustacean heavy metal adsorbent is soaked in a ferrous sulfate solution and then soaked in a calcium hydroxide solution again after low-temperature drying, finally, dried particles are granulated and subjected to coating treatment, and the coated slow-release carbon-based iron fertilizer is obtained. The coated slow-release iron fertilizer is loaded in a precipitation mode, a mixture of precipitated ferric hydroxide and ferrous hydroxide is uniformly dispersed and attached to the interiors of pore channels of the porous adsorbent, and the precipitated ferric hydroxide and the ferrous hydroxide are wrapped by a byproduct calcium sulfate in the porous adsorbent, so that long-acting slow release of iron ions can be realized; the rice cadmium arsenic antagonistic iron fertilizer has the advantages that the rice cadmium arsenic antagonistic effect can be achieved, the oxygen content of soil can be reduced, fine quantitative use of the coated iron fertilizer in the seedling raising period is matched, iron ion antagonism and a precipitation type adsorption load mode are carried out in the whole rice growth process, the iron ion release period is greatly prolonged, and the iron fertilizer has the excellent rice cadmium arsenic antagonism effect and has the excellent application prospect.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI +1

Multi-spectrum compatible stealth coating based on high-entropy alloy and preparation method thereof

The invention discloses a multi-spectral-band compatible stealth coating based on a high-entropy alloy and a preparation method of the multi-spectral-band compatible stealth coating, and belongs to the technical field of functional high-entropy alloy coatings and preparation of the functional high-entropy alloy coatings. The problem that the visible light and infrared stealth effect of an existing stealth coating in a wide spectrum range is poor is solved. According to the preparation method, the high-entropy alloy film is prepared through the magnetron sputtering technology, efficient customization of material components and structures is achieved through scientific screening and optimal combination of elements and regulation and control of magnetron sputtering parameters, and therefore the high-entropy alloy film which is uniform, compact and excellent in performance is obtained. Test results show that the visible light band absorptivity of the high-entropy alloy coating is about 0.95, the infrared band emissivity of the high-entropy alloy coating is about 0.05, and multi-spectrum-band compatible stealth in the visible light and infrared spectrum range is achieved.
Owner:HARBIN INST OF TECH +1

Antenna assembly and electronic equipment

The embodiment of the invention provides electronic equipment. The electronic equipment comprises a grounding plate, an annular metal piece and a feed source, the annular metal piece and the grounding plate are arranged at an interval along the thickness direction of the electronic equipment, and the annular metal piece is closer to the back side of the electronic equipment relative to the grounding plate; wherein the annular metal piece comprises a feeding point and at least two grounding points, the at least two grounding points are used for being connected with the grounding plate to be grounded, and the at least two grounding points comprise a first target grounding point and a second target grounding point which are located on the two sides of the feeding point and are closest to the feeding point. The annular metal piece comprises a radiation part which is located between the first target grounding point and the second target grounding point and comprises the feeding point. And the feed source is electrically connected with the feed point to excite the radiation part to support receiving and transmitting of an electromagnetic wave signal of a preset frequency band. The invention also provides an antenna assembly. According to the invention, the communication performance in the head-hand state can be effectively improved.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Semiconductor laser element and light-emitting device

The invention provides a semiconductor laser element and a light-emitting device. An electron blocking layer is arranged between a second coating layer and a second waveguide layer of the semiconductor laser element; the second semiconductor layer is doped with a P-type dopant, the P-type dopant in the electron blocking layer has at least one doping concentration peak, the doping concentration of Mg at the doping concentration peak is smaller than the maximum doping concentration of the P-type dopant in the second semiconductor layer, and the P-type dopant in the electron blocking layer gradually approaches the direction of the electron blocking layer. The doping concentration of the P-type dopant in the second coating layer is provided with a plurality of subareas, and the doping concentration curve of the P-type dopant is gradually reduced along the plurality of subareas. Due to the descending trend of the Mg doping concentration in the second semiconductor layer, it can be guaranteed that the second semiconductor layer can provide enough holes, the hole injection efficiency in the quantum well layer is improved, and the light emitting efficiency is improved. Meanwhile, due to the arrangement of the second semiconductor layer, light absorption can be reduced, and the light emitting effect of the device is improved.
Owner:QUANZHOU SANAN SEMICON TECH CO LTD

Fusion casting glass sheet method for rapidly determining potassium, sodium, silicon, calcium, magnesium, aluminum, titanium, sulfur and phosphorus in coal ash

The invention belongs to the technical field of chemical analysis, and particularly discloses a casting glass sheet method for quickly measuring potassium, sodium, silicon, calcium, magnesium, aluminum, titanium, sulfur and phosphorus in coal ash, which comprises the following steps: 1) preparing a sample casting glass sheet: putting a coal ash sample, anhydrous lithium tetraborate and lithium carbonate into a platinum crucible, uniformly mixing, dropwise adding an ammonium bromide solution, and stirring for 20-30 minutes; placing in an automatic sample melting machine to prepare a fuse piece, cooling, drying and storing for detection; and 2) XRF detection: constructing a standard working curve on an X-ray fluorescence spectrometer, and respectively testing the contents of potassium, sodium, silicon, calcium, magnesium, aluminum, titanium, sulfur and phosphorus in the sample casting glass sheet prepared in the step 1) by using the standard working curve. According to the method, borate high-temperature melting is adopted, so that the granularity effect, the mineral effect and the nonuniformity of the sample can be effectively eliminated, meanwhile, the absorption and enhancement effects among sample elements are well reduced, and the analysis precision and accuracy are improved.
Owner:SHANDONG IRON & STEEL CO LTD

A fermented mucus lactobacillus for alleviating hyperuricemia by simultaneously degrading uric acid and purine nucleosides and its application

The present invention discloses a fermented mucus bacillus and its application for relieving hyperuricemia by simultaneously degrading uric acid and purine nucleosides, and belongs to the field of microbial technology. The fermented mucus lactobacillus GR-X (CCTCC NO: M 20231857) of the present invention can degrade uric acid and purine nucleosides, can be colonized in the intestinal tract to reduce the absorption of uric acid and purine nucleosides by the intestinal tract, reduce the serum uric acid, creatinine and urea nitrogen levels of hyperuricemia mice, reduce the liver and kidney damage of mice caused by hyperuricemia, and add yogurt made by fermented mucus lactobacillus GR-X to degrade intestinal uric acid, reduce the serum uric acid, creatinine and urea nitrogen levels of gout patients, promote uric acid to be discharged through urine, reduce the levels of TNF-α and IL-6 in serum, and effectively colonize in the intestinal tract at the same time. The present invention has broad application prospects in the field of functional bacterial agents, foods and medicines for relieving and / or treating hyperuricemia and gout.
Owner:LANZHOU UNIV

Combustor and heat exchanger combined structure and gas water heater

The utility model discloses a combined structure of a burner and a heat exchanger and a gas water heater. The combined structure of the combustor and the heat exchanger comprises the heat exchanger and a combustor assembly, and the combustor assembly comprises a closed shell, a combustor, a fuel gas supply assembly and an air supply assembly; an opening is formed in the top of the shell, the combustor is arranged in the shell, the fuel gas supply assembly is used for supplying fuel gas to the combustor, and the air supply assembly is used for conveying air into the shell; the shell is provided with an opening, the heat exchanger is fixed at the top of the shell and covers the opening, the heat exchanger comprises an outer frame, heat exchange fins arranged in the outer frame and a heat exchange pipeline fixed on the outer frame, the heat exchange pipeline comprises a plurality of straight pipes, the straight pipes penetrate through the heat exchange fins, and all the straight pipes are parallel to one another and are arranged in a row in the horizontal direction. According to the utility model, the distance between the heat exchanger and the burner can be reduced, and the heat loss is reduced.
Owner:CHINABEST HOME APPLIANCE

Ganoderma lucidum beverage and preparation process thereof

The invention relates to a ganoderma lucidum beverage and a making process thereof, and belongs to the technical field of drinks, the making process comprises the following steps: uniformly mixing lactobacillus acidophilus and bifidobacterium bifidum to obtain a mixed bacteria solution; inoculating the mixed bacterial liquid into a culture medium for culturing, and then mixing with a lucid ganoderma extract to obtain a lucid ganoderma active substance; packaging the lucid ganoderma active substance with maltodextrin and beta-lactoglobulin to obtain a lucid ganoderma encapsulated substance; and mixing the ganoderma lucidum encapsulation material, a sweetening agent, a thickening agent and water, homogenizing, sterilizing, cooling and aseptically filling to obtain the ganoderma lucidum beverage. According to the technical scheme, the two probiotics are mixed according to a certain volume ratio, intestinal flora balance can be effectively adjusted, proliferation of bad microorganisms in the intestinal tract can be inhibited, the probiotics and the ganoderma lucidum extract are jointly packaged in a microcapsule system formed by the maltodextrin and the beta-lactoglobulin, the stability of the microcapsule is improved, and the preparation process is simple and convenient. And the prepared ganoderma lucidum beverage has relatively good mouth feel and flavor.
Owner:ZHONGJIXIANG (JILIN) BIOTECHNOLOGY CO LTD

Anti-radiation aggregate, preparation method thereof and high-strength anti-crack anti-radiation concrete

The invention discloses an anti-radiation aggregate, a preparation method thereof and high-strength anti-crack anti-radiation concrete, and belongs to the technical field of concrete. Comprising the following steps: S1, uniformly mixing lead powder, iron ore powder and barium cement, adding hydrogen peroxide and water, granulating, curing and heating at high temperature to obtain an aggregate core; s2, soaking the aggregate core in a mixed solution of sodium alginate and boron fibers, and then spraying the aggregate core with a calcium chloride aqueous solution to obtain aggregate particles; and S3, uniformly mixing red mud and graphite powder, calcining at 800-900 DEG C, grinding, sieving, uniformly mixing with an alkaline activator, adding water to obtain slurry, mixing the slurry with aggregate particles, and molding to obtain the composite material. The anti-radiation aggregate disclosed by the invention can attenuate radiation energy in a gradient manner, and has excellent speed reduction, weakening and absorption effects on radiation rays. Meanwhile, the anti-radiation aggregate disclosed by the invention has the characteristics of relatively small apparent density and high strength, concrete segregation and layering can be avoided, and the working and mechanical properties of the concrete are improved.
Owner:JIANGSU CHINA CONSTR COMMERCIAL CONCRETE CO LTD +1

Preparation method and device of hydrogen-oxygen interface nano-micron bubble water for agricultural production

The invention provides a preparation method and device of hydrogen-oxygen interface nano-micron bubble water for agricultural production, and the method comprises the following steps: S1, filtering raw water for multiple times, and purifying the raw water into purified water; s2, electrolyzing the purified water to decompose the purified water into hydrogen and oxygen; s3, the hydrogen and the oxygen respectively pass through an interface nano-micron bubble generation device to form interface nano-micron bubble water; s4, the interface nano-micron bubble water is conveyed to a ceramic activation device, and the activity of the interface nano-micron bubble water is improved; s5, mixing the activated interface nano-micron bubble water with an external water source to form irrigation water. Raw water is purified into purified water through multiple times of filtration, impurities and harmful substances in water are effectively removed, and a purer irrigation water source is provided for plants. Interface nano-micron bubble water formed by hydrogen and oxygen generated by electrolysis is rich in active oxygen and molecular hydrogen, so that the oxygen content of soil and the growth of soil microorganisms are improved, healthy growth of plant roots is promoted, root diseases caused by fungal viruses are reduced, oxidation and inflammation are resisted, and thus healthy growth of plants is promoted.
Owner:SHANGHAI HYDROGEN ERA NEW ENERGY DEVELOPMENT CO LTD +1

Aryl formyl oxime formate photoinitiator and preparation method thereof

The invention relates to an oxime aryl formyl formate photoinitiator suitable for LED (light-emitting diode) photopolymerization, the photoinitiator has a structure as shown in a general formula (I), and Ar1, Ar2 and R1 are defined in the specification and claims. The invention also relates to a preparation method of the photoinitiator and application of the photoinitiator in an LED photopolymerization system. # imgabs0 #
Owner:HUBEI GURUN TECH CO LTD

Anti-aging lamp shell composite material and preparation method thereof

PendingCN119592039AHigh light reflectivityIncrease luminous fluxUltravioletLuminous flux
Belonging to the technical field of lamp shell materials, the invention discloses an anti-aging lamp shell composite material, which comprises the following components by mass: 80-110 parts of modified PC master batch; 20 to 30 parts of modified ABS master batch; 2-7 parts of titanium silicon powder; 8-16 parts of hollow glass beads; 2 parts of a toughening agent; 0.1 to 0.3 part of a lubricant; the titanium-silicon powder effectively increases the white brightness of the lamp body shell, and when the titanium-silicon powder is used in cooperation with the hollow glass beads, the lamp shell can have higher light reflectivity, the lamp shell reflects most light to the diffusion plate and then emits the light, the overall luminous flux of the lamp is increased, meanwhile, the light absorption amount of the lamp shell is reduced, and the aging speed can be effectively slowed down. Wherein the modified PC master batch is prepared by mixing PC resin, 2, 6-di-tert-butyl-4-methylphenol and thiodipropionic acid diester; wherein the modified ABS master batch is prepared by mixing ABS resin and a composite ultraviolet absorbent. The PC master batch and the ABS master batch are both modified, so that the oxidation resistance is higher after the lamp shell is formed.
Owner:XIAMEN NONTON OPTIC ELECTRIC

Nano composite material with radiation protection characteristic as well as preparation method and application of nano composite material

The invention relates to a nano composite material with a radiation protection characteristic and a preparation method and application thereof, the method comprises the following steps: 1) weighing graphene oxide (GO), adding deionized water, carrying out ultrasonic treatment until the graphene oxide is dissolved, adding N, N-dimethylformamide (DMF), stirring and heating, slowly adding NbCl5, heating and stirring, reacting for more than or equal to 5 hours, centrifuging, washing, drying and grinding to obtain an Nb2O5 / GO nano composite material; and 2) taking a proper amount of the Nb2O5 / GO nano composite material, uniformly mixing the Nb2O5 / GO nano composite material with an ethylene-vinyl acetate copolymer (EVA), carrying out melt blending at 150 DEG C, and pressing into a sample sheet to obtain the Nb2O5 / GO / ethylene-vinyl acetate copolymer nano composite material. The nano composite material disclosed by the invention has a remarkable shielding effect on X rays and gamma rays, has the advantages of light weight, simple preparation method and the like, and can be used for manufacturing radiation protection articles such as radiation protection clothing and the like.
Owner:ARMY MEDICAL UNIV

Hypoglycemic health-care product rich in bitter gourd polypeptide and application of hypoglycemic health-care product

The invention relates to the technical field of health-care products, in particular to a health-care product rich in momordica charantia polypeptide and capable of regulating blood sugar metabolism and promoting insulin secretion, momordica charantia polypeptide can stimulate pancreatic beta cells to secrete insulin, and insulin is the only hormone capable of reducing blood sugar in a human body. The balsam pear polypeptide component in the balsam pear extract is specially used for reducing the blood sugar level and improving related health problems, the application of the balsam pear polypeptide in the health care product can effectively regulate the blood sugar metabolism of a human body and promote the secretion of insulin, and the balsam pear polypeptide stimulates pancreas islet beta cells to promote the secretion of insulin. In addition, the balsam pear polypeptide can improve the insulin resistance, increase the number of insulin receptors or enhance the activity of the insulin receptors, so that the body cells are more sensitive to the insulin, the uptake and utilization of glucose are promoted, and the abnormal increase of the blood glucose level is avoided.
Owner:YUKANG PHARMACEUTICAL (GUANGZHOU) CO LTD

High-temperature-resistant UV highlight plate and preparation process thereof

The invention discloses a high-temperature-resistant UV highlight plate and a preparation process thereof, and belongs to the technical field of UV highlight plates. The high-temperature-resistant UV highlight plate comprises an MDF base material, the MDF base material contains a moisture-proof solvent, the surface of the MDF base material is sequentially coated with a seal primer, a modified epoxy resin bottom coating, a middle coating and a surface coating, and the middle coating contains nano titanium dioxide, an organosilicon compound and a silane coupling agent. According to the high-temperature-resistant UV highlight plate and the preparation process thereof, MDF containing a moisture-proof solvent is adopted as a base material, paraffin emulsion forms a layer of hydrophobic film to reduce moisture permeation, a silane coupling agent can improve interface bonding between fibers and resin and improve the moisture resistance, polyvinyl alcohol can enhance the bonding force between the fibers and reduce moisture absorption, and the high-temperature-resistant UV highlight plate is prepared. When the additives are used at the same time, the additives can complement each other to jointly improve the moisture resistance and mechanical property of the MDF base material, so that the high temperature resistance of the material is improved.
Owner:ANHUI KEERHAISI NEW MATERIAL TECH CO LTD

Lightning arrester convenient to install and maintain

The invention relates to the technical field of lightning protection, in particular to a lightning arrester convenient to install and maintain. Comprising a supporting plate mounted on a cross arm and a lightning arrester, a positioning hole is formed in a top plate of the cross arm, vertical side plates are symmetrically arranged at the bottom end of the top plate, the lightning arrester is fixedly mounted at the top of the supporting plate, a positioning rod is fixedly arranged at the bottom of the supporting plate and rotatably inserted into the positioning hole, and a first spring is mounted between the cross arm and the supporting plate. Two fixing and locking assemblies are arranged on the two sides of the supporting plate in a circumferential array mode, and each fixing and locking assembly comprises a moving unit and a lifting unit; when the supporting plate is rotated to make the locking assembly collide with the cross arm, the vertical side plate of the cross arm extrudes the moving unit to make the lifting unit rise, and the bottom of the lifting unit and the inner side of the vertical side plate of the cross arm form abutting locking. The lightning arrester can be quickly and efficiently fixed on the 10kV overhead line frame, so that quick installation or disassembly and maintenance are facilitated, and the personal safety of operators is ensured; the lightning arrester has a damping function, safety and stability are improved, and the service life is prolonged.
Owner:HANGZHOU YONGDE ELECTRIC APPLIANCES

Prescription of probiotics for regulating hyperglycemia and preparation method thereof

The invention provides a formula for regulating hyperglycemia by probiotics and a preparation method of the formula, and relates to the technical field of the probiotics, the formula comprises two formulas, the formula I comprises the probiotics, hypoglycemic pepper, raw malt, burdock, snow pear and the like, and the formula II comprises the probiotics, the hypoglycemic pepper, the raw malt, the burdock, the snow pear and the like; and the formula II consists of inonotuso bliquus polysaccharide, schizophyllum commune, chromium yeast, soybean peptide powder and lactobacillus fermentation product powder. The two formulas can be taken independently, alternately or jointly, and are used for regulating the blood sugar level of patients with hyperglycemia or type 2 diabetes mellitus. The probiotic powder contains a plurality of strains with high activity and high viable count, and plays a role in digesting and absorbing basic metabolism. The natural components in the formula have a hypoglycemic effect, and play a role in improving the secretion function of pancreas islet beta cells, improving insulin sensitivity, delaying absorption of carbohydrates, helping produce saliva and slake thirst, diluting blood sugar and other mechanisms.
Owner:QINGDAO KANGYI BIOTECHNOLOGY CO LTD

Slow-release composite powder for removing nitrite and preparation method thereof

The invention relates to the field of medicines, and discloses slow-release composite powder for removing nitrite and a preparation method thereof, and the slow-release composite powder comprises the following raw materials: bovine bone collagen peptide, sorbitol, L-sodium ascorbate, L-alanine composite powder, vitamin E, earthworm protein, natto powder, cranberry powder and magnesium stearate. Wherein the L-alanine composite powder is prepared from L-alanine, y-aminobutyric acid and L-glutamic acid; according to the present invention, the L-alanine composite powder and the active substance can chemically react with the nitrite in the body so as to convert the nitrite into the safe substance to be discharged out of the body, such that the absorption and the adsorption of the nitrite can be easily reduced, and the formation of the nitrite in the digestive tract can be reduced so as to reduce the concentration of the nitrite in the body; and nitrite is directly prevented from being accumulated to the level of potential health hazards.
Owner:JUNLIANTIKANG (SHANDONG) PHARM CO LTD

Full-seasonal greenhouse film material and planting device

The invention provides a full-seasonal greenhouse film material and a planting device, and belongs to the technical field of greenhouse devices. The membrane material comprises an infrared spectrum selective layer, a hydrogel layer and a heat insulation layer which are arranged in an overlapped mode. The infrared spectrum selective layer is used for emitting infrared radiation to the environment, the infrared radiation emissivity of the infrared spectrum selective layer is in direct proportion to the environment temperature, and the sunlight transmittance of the infrared spectrum selective layer is larger than or equal to 90%; the hydrogel layer is used for transmitting sunlight, the sunlight transmittance of the hydrogel layer is inversely proportional to the ambient temperature, and the infrared radiation transmittance of the hydrogel layer is greater than or equal to 90%; the heat insulation layer is used for insulating heat, the sunlight transmittance of the heat insulation layer is larger than or equal to 90%, and the infrared radiation transmittance of the heat insulation layer is larger than or equal to 90%. Through cooperation of the infrared spectrum selective layer, the hydrogel layer and the heat insulation layer, automatic regulation and control of the internal temperature of the greenhouse are achieved, meanwhile, the heat insulation layer isolates the internal environment and the external environment of the greenhouse, and energy consumption of the greenhouse is reduced.
Owner:SHANDONG UNIV SHENZHEN RES INST

Online monitoring device for monitoring SF6 micro-water density

The invention discloses an online monitoring device for monitoring SF6 micro-water density, and relates to the technical field of gas monitoring. The device comprises a detection cavity, one side of the detection cavity is fixedly connected with an air inlet, the other side of the detection cavity is fixedly connected with a connecting port, one end of the air inlet and one end of the connecting port are fixedly connected with flange plates, the top of the detection cavity is fixedly connected with an infrared spectrum sensor, and the bottom of the infrared spectrum sensor is fixedly connected with a sensing probe. The device is provided with the cleaning assembly, the cleaning assembly is started to operate through the external controller, and dust, particles and other pollutants attached to the surface of the sensing probe can be removed through the cleaning assembly, so that absorption and scattering of infrared light are reduced, and the accuracy of measured data is improved; therefore, the service life of the infrared spectrum sensor is prolonged, the fault and replacement frequency of the infrared spectrum sensor caused by pollution are reduced, and the long-term maintenance cost can be reduced.
Owner:LANDPOWER WUHAN CO LTD