57results about How to "Nature impact" patented technology

the invention discloses a concrete bar anti-rust agent, which comprises the following parts: 10-20% amido alcohol, 10-30% acid and 60-70% water. The invention possesses high rust-proof property, which is fit for harbor engineering and civil concrete structure.

The invention discloses an edible film with a continuous antioxidant function and a preparation method and application thereof. Preparation parameters of tea polyphenol-chitosan hydrochloride nanoparticles are adjusted, and the prepared chitosan hydrochloride nanoparticles with different tea polyphenol encapsulation rates and particle sizes are added to a natural edible biological macromolecular film formation matrix so as to form the film. On one hand, the different encapsulation rates can change the proportion of free tea polyphenol to encapsulated tea polyphenol in the film; on the other hand, the nanoparticles in different sizes can adjust structure compactness of the film, and therefore release of the tea polyphenol in the film is coordinated and controlled. According to the edible film with the continuous antioxidant function and the preparation method and the application of the edible film, when the antioxidant film is prepared, release of active substances can be adjusted under the condition that the concentration of the active substances is definite, and the use rate of the active substances in the film is increased.

The invention provides a self-cleaning film agent for exterior wall paint, a preparation method and an application method thereof. The preparation method for the self-cleaning film agent is mainly characterized in that: the preparation method comprises the following steps of: taking nanometer titanium oxide composite collosol as a reference; dispersing the collosol in an alkaline aqueous solution after adding an anionic surfactant or a non-ionic surfactant with a mass percent of between 0.1 and 10 to form a transparent and stable dispersion system; and finally adding a certain number of film forming substances into the system to obtain the self-cleaning film agent for the exterior wall paint. The self-cleaning film agent is applied to the surface of the exterior wall paint for secondary coating through a spray coating method or a roller coating method or a brush coating method, and a film is formed at a normal temperature, thereby forming a multifunctional coating with stain and ultraviolet irradiation resistance and air cleaning performance on the external surface of the paint. As the method has the obvious advantages of good performance, simple process, convenient construction, durable effect, environmental friendliness, etc., the method can be applied to various exterior wall paints in a large scale.

Belonging to the technical field of medicines, the invention discloses a doxorubicin liposome and its preparation method. The doxorubicin liposome is composed of doxorubicin, a phospholipid substance, cholesterol, and a PEG lipid derivative, etc. The doxorubicin liposome prepared by a pH gradient method in the invention has an encapsulation rate higher than 96%, ethanol content not greater than 10%, and almost constant related parameters. The preparation and its preparation method provided in the invention can control the ethanol content during liposome preparation, and ensures that the residual ethanol has no substantial influence on liposome property in the preparation process, thus providing reference for liposome preparation and ethanol content control in industrial production.

The invention discloses an integrated halogen perovskite nuclear battery and a preparation method thereof. The nuclear battery comprises an integrated isotope-halogen perovskite layer (4) and also comprises an electron transport layer (3) and a cavity transport layer (5) at two sides of the integrated isotope-halogen perovskite layer (4), wherein the integrated isotope-halogen perovskite layer (4) is a halogen perovskite material layer with the distribution of radioactive isotopes inside, and the radioactive isotopes and the halogen perovskite material layer are integratedly arranged. Through improving the keys photoelectric effect materials and the structure and composition of the nuclear battery, the radioactive isotopes are distributed to the photoelectric effect materials to form an integrated structure, and a problem of a low energy utilization rate can be effectively solved compared with the prior art.

The invention discloses an organic electroluminescence device and a display device. The organic electroluminescence device comprises a substrate, a thin film transistor, an anode, a cathode and an organic light-emitting layer used for emitting light. The organic light-emitting layer is located between the anode and the cathode. The light-emitting side of the organic light-emitting layer is provided with a shielding layer used for shielding ultraviolet. The display device comprises the organic electroluminescence device. According to the technical scheme, the shielding layer for shielding the ultraviolet is arranged inside the organic electroluminescence device to prevent ultraviolet from affecting properties of material of the organic light-emitting layer or the thin film transistor, and then the properties of the whole organic electroluminescence device are protected.

A soft capsule comprises content and soft capsule skin as well as a layer of inner coating membrane which is located between the content and the soft capsule skin. The inner coating membrane comprises solute and solvent, the solute consists of liquid paraffin 25-50, polyvidone K30 5-15, polyacrylic acid resin II 10-20, polyving akohol 400 10-30 and citric acid 2.5-10 according to mass percentage; the solvent is salad oil, the content of which is 60-130% of the content of the solute. The invention aims at solving the problem of influence on the activity of effective constitutes in traditional Chinese medicine and soft capsule skin deterioration, leakage and partial deformation caused by reaction between the soft capsule skin and natural acid or natural aldehyde ketone in the traditional Chinese medicine after the soft capsule wraps the traditional Chinese medicine content in the prior art, thus providing the soft capsule capable of separating the soft capsule skin from the content and ensuring the activity of effective constitutes in traditional Chinese medicine and no soft capsule skin deterioration, or no leakage or no partial deformation.

The invention provides an extracting method of 2'-hydroxy-4'-methoxyacetopheone.The method comprises the steps that a water steam distillation and alkali-dissolution and acid-precipitation combined method is adopted to extract 2'-hydroxy-4'-methoxyacetopheone, moutan bark and whole plants of paniculate swallowwort or paniculate swallowwort roots serve as the raw materials, the raw materials are smashed and subjected to water extraction for 10 h-23 h, water steam distillation is conducted, and distillation is stopped when the mass of distillate is 2.5-3 times that of the raw materials; the distillate is cooled and filtered, a product A is obtained, the pH of the raw material and residual liquid in a flask after water steam distillation is conducted is adjusted to be 12-14, and alkali dissolution is conducted; the pH of the solution is adjusted to be 5-7 after alkali dissolution is conducted, acid precipitation is conducted, cooling and filtering are conducted, and a product B is obtained.The method can efficiently extract 2'-hydroxy-4'-methoxyacetopheone, the extraction rate reaches up to 95.3%, and the purity of obtained 2'-hydroxy-4'-methoxyacetopheone reaches up to 98.8%; according to the method, no organic solvent is adopted, environmental pollution is avoided, and environmental friendliness is better achieved.

The invention relates to a compound granule containing triphenyltin acetate and simetryn and a preparation method and application of the compound granule. The granule comprises functional mother powder of A-phase pesticide active ingredients, namely 0.1-40% of triphenyltin acetate, and 0.1-40% of simetryn; a phase B component: 60%-95% of a natural quartz sand carrier, an artificially roasted particle carrier and a plant-derived crushed particle carrier; and a phase C component: 0.2%-50% of functional bonding slurry, which comprises an inducer, a binder and a warning color. The granule is scientific and reasonable in design, the granule capable of being used for preventing and removing rice aquatic weeds is prepared from the natural quartz sand carrier, the artificially roasted particle carrier and the plant-derived crushed particle carrier through a coating film-forming method, the two raw medicines have high prevention and treatment effects on the aquatic weeds in the paddy field, andcompared with other dosage forms of the product in the market, the granule is low in pollution, more environment-friendly, more environment-friendly in production process, good in product stability,and more convenient and simpler in transportation and use.

The invention discloses a brazing material for Mn-Cu alloy and Fe-Cr-based alloy brazing and a preparation method thereof. The brazing material comprises, by mass, 54-60% of copper, 30-35% of manganese, 5-10% of nickel and 5-10% of stannum. The preparation method of the brazing material comprises the steps of putting nickel, copper, manganese and stannum into a high-frequency furnace at a formularatio, heating and melting metal, conducting heat preservation for 2-3 h and then conducting pouring to obtain a casting ingot; heating the casting ingot cooled to the indoor temperature to 700-750 DEG C, conducting heat preservation for 8-10 h, and then putting the casting ingot in flowing cooling liquid to be quenched to the indoor temperature; and finally, removing a hardened and oxidized layeron the surface of the casting ingot, cutting the casting ingot into sheets, putting the sheets in absolute ethyl alcohol to conduct ultrasonic cleaning, and fishing out and draining off the sheets toobtain the finished brazing material. Through the brazing material provided by the invention, the technical problem that Mn-Cu alloy and Fe-Cr-based alloy brazing is difficult can be effectively solved.

The invention discloses a heavy oil hydrotreatment catalyst and a preparation method thereof, the heavy oil hydrotreatment catalyst comprises a hydrogenation active metal component and a carrier, thehydrogenation active metal component is one or more of VIB group metals and / or VIII group metals, and the carrier is petroleum coke-based activated carbon. The preparation method comprises the following steps: uniformly mixing petroleum coke, a pore-enlarging agent and an activating agent and then carrying out activating treatment; mixing the obtained sample with an acid solution, uniformly mixing, washing and drying to obtain a carrier; introducing the hydrogenation active metal into the carrier, and then drying and roasting to obtain the heavy oil hydrotreating catalyst. According to the invention, petroleum coke-based activated carbon is used as a carrier of the catalyst, so that the carbon deposition resistance of the catalyst is improved.

The invention discloses a monitoring method and system of a submitted sample. The monitoring method comprises the following steps: acquiring an opening state of an electronic lock of an intelligent box for transporting a submitted sample to be monitored; when the electronic lock is unlocked, judging whether the submitted sample to be monitored is in a transportation process or not; when the submitted sample to be monitored is in the transportation process, sending first warning information and refusing to detect the submitted sample to be monitored. According to the monitoring method and system of the submitted sample, an intelligent lock function is set and the electronic lock is controlled by a data server; an authority is controlled through the data server; in a sample transportation process, the detection of the sample is refused only if an unlocking accident is detected, and the consistency of the quality of the submitted sample in a whole transportation link and the quality of the whole sample to be detected is ensured, so that the monitoring method and system have very important meaning on the accuracy of a detection result.

The invention discloses nanorods or nanowires formed by carbon nanotubes filled with metal sulfide in inner cavities, and a preparation method thereof. A carbon nanotube epoxy porous membrane is used for replacing truncated dispersed carbon nanotubes in carbon nanotube internal filling experiments and studies. In the porous membrane, the outside of the carbon nanotubes is protected by a high-molecular substrate, and the inner walls of the carbon nanotubes are the only places that the carbon nanotubes can contact a precursor. That is to say, it can be ensured that the metal sulfide can be generated only inside the carbon nanotubes. Also, the diffusion capacities of substances on the two sides of a diffusion tank upon the carbon nanotubes are different, and the carbon nanotube array exists in a form of a membrane. Therefore, different concentrations or pressures can be configured on the two sides of the membrane, and the substances on the two sides can enter the inside of the carbon nanotubes under control. Therefore, a reaction product can be just generated inside the carbon nanotubes. With the method, the carbon nanotubes do not need to be truncated with severe conditions, and carbon nanotube property is not influenced. With the method, ultra-long nanowires with a uniform size can be prepared.

The invention discloses a method for preparing pregelatinized starch from sweet potato starch. The method is characterized by comprising the following steps: step 1, adding a certain amount of sweet potato starch and an ethyl alcohol solution into a ball milling barrel, carrying out mixing under stirring and then carrying out drying so as to obtain preliminarily activated starch; step 2, subjecting the preliminarily activated starch prepared in the step 1 to crushing and sieving and then mixing the preliminarily activated starch, a functional aid, a surfactant and water under stirring so as to obtain secondarily activated starch; step 3, adding sodium bicarbonate into the secondarily activated starch prepared in the step 2 and carrying out a stirring reaction so as to obtain pregelatinized starch; and step 4, subjecting the pregelatinized starch prepared in the step 3 to microwave drying in a microwave drying machine and crushing the dried pregelatinized starch with a pulverizer so as to obtain a final product. According to the method in the invention, ethanol is used as a medium, preliminary activation is carried out on the starch by using a mechanical activation method, and then chemical activation is carried out, so the process of activation is more thorough.

The invention discloses an exosome particle screening device based on an ultracentrifugation technology. The exosome particle screening device comprises a working base, wherein a rotary table motor isfixedly arranged in the working base; a motor shaft is arranged on the rotary table motor in a power manner; a second rotary shaft is arranged in the working base; a fan-shaped rotary table is rotatably arranged in the second rotary shaft; a fan-shaped outer gear ring is fixedly arranged on the fan-shaped rotary table; a first rotary shaft is rotatably arranged in the working base; after a test tube filled with precipitates is mounted in equipment, the equipment automatically adds a quantitative PBS solution into the test tube, and automatically blows and beats the precipitates added with thePBS solution; the positions of centrifugal test tubes are slowly and alternately transferred while blowing and beating, so that the influence on the properties of the solution in the centrifugal testtubes due to too fast transfer is prevented; and a worker only needs to feed the test tube filled with the precipitates into the equipment and take out the finished centrifugal test tubes, so that automatic integration of adding of the PBS solution, blowing and beating of the solution and transfer of the solution is realized, working efficiency is improved, and working quality is guaranteed.

A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of acid polycondensation catalyst to form polytrimethylene ether glycol; (b) adding water to the polytrimethylene ether glycol to form an aqueous mixture; (c) heating the aqueous mixture to hydrolyze acid esters formed during the acid catalyzed polycondensation; (d) adding to the hydrolyzed aqueous mixture organic solvent that is miscible with polytrimethylene ether glycol to form (i) organic phase containing the polytrimethylene ether glycol and residual acid polycondensation catalyst from the polycondensing and (ii) aqueous phase; (e) separating the aqueous phase and the organic phase; (f) adding base to the separated organic phase to neutralize the residual acid polycondensation catalyst by forming salts of the residual acid polycondensation catalyst; (g) separating the organic phase into (i) liquid phase comprising the polytrimethylene ether glycol, the organic solvent and any residual water, and (ii) solid phase comprising the salts of the residual acid polycondensation catalyst and the base which is unreacted; and (h) removing the organic solvent and the residual water from the liquid phase to obtain polytrimethylene ether glycol.

The invention discloses a capillary monolithic column for separating benzologues and a preparation method of the capillary monolithic column. The preparation method comprises the following steps: dissolving GCC in ethanol, thus obtaining a mixed solution, adding a given amount of the mixed solution into a sample bottle with MOF-5, and injecting obtained suspension into a ploy(GMA-co-EDMA) monolithic column activated by ethylenediamine, thus obtaining the capillary monolithic column MOF-5@ploy(GMA-co-EDMA). The MOF-5 is solid loaded onto the surface of the GMA-EDMA monolithic column by virtue of a surface covalent solid loading method, MOF-5 is dispersed in the DCC and ethanol mixed solution, the epoxy functional group on the surface of the PMMA is opened by virtue of the ethylenediamine, the MOF-5 is covalently immobilized onto the surface of the polymer in the monolithic column, the MOF-5 is covalently connected with the monolithic column, so that the gathering and separation phenomenon of the MOFs material can be avoided, and the properties of the MOFs material can be prevented from being severely influenced.

The invention discloses a preparation method of a heat-resistant auxiliary agent for temperature-resistant insulating paper. The method comprises the following steps of: compounding enclosed waterborne polyurethane and a nitrogen-containing compound to prepare a heat-resistant auxiliary agent, and applying the heat-resistant auxiliary agent to the surface of the insulating paper through a coating, spraying or dipping method. According to the invention, a deblocking reaction can be carried out by utilizing a blocking group of blocked waterborne polyurethane, an isocyanate group with strong reaction activity is exposed again, and the isocyanate group and hydroxyl on fibers are subjected to a chemical reaction to form a three-dimensional network structure, so that the bonding points and the bonding strength among the fibers are increased, and the high-temperature aging resistance of the insulating paper is obviously improved. The insulating paper prepared by adding the heat-resistant additive has excellent high-temperature aging resistance, the high-temperature aging resistance is improved by 22-27% under the same condition, and the insulation performance of a transformer system is not influenced.

The invention provides a preparation method of globefish skin gelatin. The preparation method concretely comprises the following steps: selecting globefish skins, cleaning the globefish skins, removing impurities, and chopping the cleaned globefish skins; adding a sodium hydroxide and hydrogen peroxide composite solution, immersing the chopped globefish skins in the composite solution for 5-10h, and washing the immersed globefish skins with water until the pH value is 7-9 in order to obtain alkali treated globefish skins; adding an aqueous detergent solution with the concentration of 0.1-2%, and immersing the globefish skins for 5-10h; adding an acetic acid solution with the concentration of 0.01-1.0mol / L to carry out extraction; centrifuging the obtained solution, and collecting the obtained supernatant; adding a sodium chloride solution with the concentration of 2.0-3.0mol / L to carry out salting-out; centrifuging the obtained solution, and collecting the obtained precipitate; adding acetic acid with the concentration of 0.01-1.0mol / L to dissolve the precipitate, and carrying out dialysis to obtain a gelatin solution; and freeze-drying the gelatin solution to obtain the globefish skin gelatin. The extraction mode and the extraction conditions are mild, and reagents used in the invention are friendly to environment and have low prices, so the production cost of the globefish skin gelatin is effectively reduced, pollution is reduced, and the high-output and high-quality gelatin product is prepared.

The invention relates to the technical field of illumination and display, in particular to a material with hole injection and / or hole transmission functions, a light-emitting substrate and a preparation method thereof, and a light-emitting device. The problem that crystallization plugging is prone to occurring when a functional layer is formed through evaporation in the prior art is solved. The material with hole injection and / or hole transmission functions comprises: a matrix material; and a crystallization inhibitor doped in the matrix material; wherein the crystallization inhibitor can inhibit crystallization of the matrix material in the evaporation process, and the crystallization inhibitor has a hole injection and / or hole transmission function.

The invention relates to an external wrapping membrane and an external wrapping membrane soft capsule thereof. The external wrapping membrane comprises the following components: 25 to 70wt% of phthalic acid ethyl cellulose, 10 to 35wt% of hydroxymethyl propyl cellulose, 5 to 25wt% of polyvinyl alcohol 3000, 0.4 to 2wt% of sodium alginate, 3 to 12wt% of oleic acid and 0.1 to 5wt% of pigment. The invention provides the external wrapping membrane released in small intestines and obtained by a water system, the external wrapping membrane soft capsule and a preparation method thereof, and the soft capsule obtained by the preparation has higher safety.

A method for the treatment of exhaust gases from the production of cement clinker in a rotary kiln, in which raw materials are ground in a mill to form raw meal, raw meal is preheated in a counterflowconfiguration in a preheater with exhaust gas from the rotary kiln and is optionally pre-calcinated, preheated and possibly pre-calcinated raw meal is supplied to the rotary kiln and is burned in therotary kiln to form cement, the exhaust gas from the rotary kiln is, before entering the preheater, denitrogenized by way of selective non-catalytic nitrogen oxide reduction with a reagent which provides ammonia, and wherein, according to the invention, the exhaust gas from the preheater is subjected to gas conditioning and catalytic oxidation of ammonia. The object is furthermore achieved by wayof a device for gas conditioning and catalytic oxidation, which device is arranged between preheater and mill.

The invention discloses a molten-salt solid solution and a method and a device for preparing the same. The method includes the steps of uniformly mixing solid molten salt in the absence of water and oxygen, preheating the uniformly mixed solid molten salt, holding at 300-400 DEG C, heating to 600-1,100 DEG C to perform melting reaction, and cooling after reaction is completed so as to obtain the molten-salt solid solution. The device comprises a crucible furnace composed of an internal furnace shell, an internal furnace, a combustion chamber, a heat insulation layer and a sealing device, the internal furnace, the combustion chamber and the heat insulation layer are arranged in the internal funface shell, wherein the combustion chamber wraps the outer side of the internal furnace, the heat insulation layer is arranged on the outer wall of the combustion chamber, the sealing device is arranged at an opening of the internal furnace, a space enclosed by the sealing device and the internal furnace forms a hollow cavity, and the internal furnace is made of high-temperature nickel-base alloy. The method is high in purity and yield of the molten-salt solid solution. The device for preparing the molten-salt solid solution based on the method is highly resistant to high temperature and corrosion and high in sealability and is capable of removing moisture and oxygen fundamentally in a preparation process.

The invention discloses a catalytic material with hydrogenation performance and a preparation method and application thereof. The catalytic material takes petroleum coke-based activated carbon as a carrier, and has large specific surface area, pore volume and pore diameter. The preparation method comprises the following steps of: (1) well mixing petroleum coke, a pore-enlarging agent and an auxiliary agent, and then contacting the mixture with water vapor for treatment; (2) mixing a sample obtained in the step (1) with an acid solution, and further washing and drying the sample to obtain a carrier; (3) preparing an aqueous solution containing a hydrogenation metal component and P from a compound containing the hydrogenation metal component, a phosphorus-containing compound and water; and (4) mixing the aqueous solution obtained in the step (3) with the carrier obtained in the step (2), standing, drying and roasting to obtain the catalytic material. The catalytic material has higher hydrogenation activity, and the catalyst has high metal capacity and better stability.

The invention belongs to the technical field of solar battery packaging assemblies and particularly relates to a solar battery back film subject to low-temperature plasma treatment. The solar battery back film is mainly formed by adhering a base layer and a fluorine-based film layer, wherein the surface of the base layer is provided with a plasma-treated film layer II or a plasma treatment surface grafting copolymer layer II, the surface of the fluorine-based film layer is provided with a plasma-treated film layer I, and the surface of the plasma-treated film layer I is provided with a plasma treatment surface grafting copolymer layer I. The invention further provides a preparation method of the solar battery back film. As the plasma-treated film layers and the plasma treatment surface grafting copolymer layers assist in blocking water vapor, the solar battery back film has the characteristics of better weather resistance, good chemical resistance and excellent electrical insulation. The preparation method is very quick in response, can achieve an expected purpose in a few seconds, is very suitable for a circulation system and facilitates continuous production of the solar battery back film.

The invention provides a preparation method of globefish skin gelatin. The preparation method concretely comprises the following steps: selecting globefish skins, cleaning the globefish skins, removing impurities, and chopping the cleaned globefish skins; adding a sodium hydroxide and hydrogen peroxide composite solution, immersing the chopped globefish skins in the composite solution for 5-10h, and washing the immersed globefish skins with water until the pH value is 7-9 in order to obtain alkali treated globefish skins; adding an aqueous detergent solution with the concentration of 0.1-2%, and immersing the globefish skins for 5-10h; adding an acetic acid solution with the concentration of 0.01-1.0mol / L to carry out extraction; centrifuging the obtained solution, and collecting the obtained supernatant; adding a sodium chloride solution with the concentration of 2.0-3.0mol / L to carry out salting-out; centrifuging the obtained solution, and collecting the obtained precipitate; adding acetic acid with the concentration of 0.01-1.0mol / L to dissolve the precipitate, and carrying out dialysis to obtain a gelatin solution; and freeze-drying the gelatin solution to obtain the globefish skin gelatin. The extraction mode and the extraction conditions are mild, and reagents used in the invention are friendly to environment and have low prices, so the production cost of the globefish skin gelatin is effectively reduced, pollution is reduced, and the high-output and high-quality gelatin product is prepared.

The invention discloses a capillary monolithic column for the separation of benzene homologues and a preparation method thereof. The mixed liquid obtained by dissolving GCC in ethanol is added into a sample bottle equipped with MOF-5 according to a certain amount, and the obtained suspended The liquid is injected into the ploy (GMA-co-EDMA) monolithic post activated by ethylenediamine to obtain the capillary monolithic column MOF-5@ploy (GMA-co-EDMA); the present invention uses the surface covalent immobilization method to MOF‑5 is immobilized on the surface of GMA‑EDMA monolithic column, MOF‑5 is dispersed in a mixture of DCC and ethanol, and the epoxy functional groups on the surface of polymethacrylate (PMMA) are opened by ethylenediamine to make MOF‑5 covalent Immobilized on the surface of the polymer in the monolithic column, since MOF-5 is covalently connected to the monolithic column, it will not cause aggregation and separation of MOFs materials, and the properties of MOFs materials will not be greatly affected.