45results about How to "No change in nature" patented technology

The invention relates to an atmospheric aerosol trapping method and a device thereof. The method is characterized in that an electrical heating rod is utilized to heat pure water in continuous constant current to generate vapor; the vapor meets atmospheric airflow in a cavity where an aerosol absorbs moisture and expands; with the stay of the vapor airflow in the cavity where the aerosol absorbs moisture and expands, and with the natural cooling action, the aerosol absorbs moisture and expands; the airflow takes the aerosol which absorbs moisture and expands to a snake-shaped cooler to cool the vapor airflow into a solution, and the aerosol is trapped in the solution; the airflow with the solution formed through condensation realizes the separation of the air and the solution in an aerosol impact collector, and the collection of the aerosol. The aerosol trapping device comprises an air course part, a vapor generating part for providing vapor for the air course, a cooling device for cooling the air course circularly, and a circuit part for controlling the vapor generating part, the air course part and the cooling device. The method and the device can effectively realize the quick trapping of aerosol and on-line automatic analysis of the chemical composition of the aerosol.

The invention provides high-temperature-resistant ink. The high-temperature-resistant ink comprises the following components: 100 parts of organosilicone-modified resin, 60-240 parts of titanium dioxide powder, 0.5-10 parts of fumed silica, 1-30 parts of crosslinking agent, 0.01-1 part of silanol condensation catalyst, 0.1-4 parts of polysiloxane defoaming agent, 0.1-4 parts of alkyl and / or aralkyl-modified polyorganosiloxane leveling agent and 50-150 parts of solvent. According to the high-temperature-resistant ink disclosed by the invention, since organosilicone-modified resin is adopted as a main component and functional additives such as the specific crosslinking agent, the silanol condensation catalyst, the defoaming agent and the leveling agent, are mixed to jointly improve the performances, such as high temperature resistance, resistance to yellowing, stability and the like of an ink product and thus a white glass ink product with excellent high temperature resistance and chemical resistance is obtained.

The invention relates to the technical field of ceramic materials, specifically to a far-infrared ceramic material used for manufacturing of a boiler body and a preparation method thereof. The far-infrared ceramic material comprises, by weight, 8 to 13 parts of magnesium oxide, 18 to 32 parts of alumina, 28 to 41 parts of silica, 12 to 15 parts of zinc oxide, 8 to 10 parts of zirconia, 2 to 3 parts of titanium oxide, 6 to 7 parts of manganese oxide, 2 to 3 parts of boron nitride and 1 to 2 parts of an active catalyst. The active catalyst is a rare earth oxide and / or metal oxide. The far-infrared ceramic material has high temperature resistance, does not denature in a high temperature environment and can guarantee original effects of far-infrared ceramic; the preparation method for the far-infrared ceramic material is simple; and the boiler body prepared from the far-infrared ceramic material prepared by using the method can endure high temperature and is healthy, energy saving and environment-friendly.

The invention relates to the technical field of silk cloth production and discloses a silkworm cocoon reeling process, comprising the steps: (1) selection of silkworm cocoons; (2) cold storage and refrigeration; (3) mixing, stripping and sieving of cocoons; (4) vacuum penetration; and (5) reeling. The silkworm cocoon reeling process is high in reelability of cocoon silks and low in cost; refrigeration and reeling of fresh cocoons are utilized, so that silk gum molecules are changed physically and the property of the silk gum is not changed; the silkworm cocoon reeling process is high in yielding, increased in benefits and high in utilization of by-products.

The invention provides a method for effectively reducing the peroxidation value of nature fats, such as vegetable fats, animal fats, fish oil, and the like. The method comprises the following steps of: mixing NaHSO3 solution with the mass concentration of 3-5 percent as a reducing agent with the natural fats under the oil temperature of 80-85 DEG C and then standing more than 6 hours, washing by adopting a NaCL and NaOH mixed water solution under the temperature of 83-84 DEG C after waste liquid is discharged, respectively washing once by using a NaCL water solution and filtered water, and dehydrating oil liquid in vacuum to obtain a qualified product. In the method for effectively reducing the peroxidation value of the nature fats, the additive NaHSO3 which is available for food is adopted as the reducing agent so as to generate NaSO4 with good solubility, and the addition amount of the reducing agent is less, thereby being easy to wash; the final product does not contain any additive; the invention is easy and reliable, simple in operation and low in cost, and especially suitable for treating the index rising of peroxide in the fats as unsaturated fatty acid in the fats is oxidized during the storage or the production of the fats; the fats treated by the method has unchangeable property and effective ingredients contained in the fats.

The invention discloses healthcare food with functions of immunity improvement and hypoxia tolerance. The healthcare food consists of the following components in percentage by weight: 5-45% of gingko nut, 5-30% of salvia miltiorrhiza, 10-50% of sea buckthorn, 5-20% of rhodiola root and 5-20% of panax notoginseng. Meanwhile, the invention further discloses a preparation method of the healthcare food. According to the healthcare food and the preparation method of the healthcare food, natural traditional Chinese medicines are adopted as raw materials, and side effects can not be caused while the immunity improvement and the hypoxia tolerance are achieved, thereby being suitable for people of all ages; and meanwhile, the preparation method of the healthcare food is simple, and the change on the natures of all raw materials can not be caused, so that the healthcare food can be stored for a long time.

The invention relates to an antibiotic-safety rumen preparation and a preparation method thereof. The preparation comprises the following active substances and granulation auxiliary in parts by weight: 1 to 200 parts of antibiotic; 30 to 300 parts of a solvent and a dispersant; and 500 to 1000 parts of a granulation auxiliary. The method firstly disperses the antibiotics, increases the surface area thereof as much as possible, improves the bioavailability, and evenly distributes the antibiotic in the rumen preparation, and can better pass the rumen preparation through the rumen. Moreover, theparticle size of the ball-milled nanoparticles is uniform, the ball-milled nanoparticles contain sufficient crystal defects, which can effectively inhibit the re-polymerization into micro-particles, greatly improves the surface area of the antibiotic, and reduces the particle size of the drug, so that the uniformity and encapsulation efficiency of antibiotics in the rumen preparation are greatly increased, and the nano-medicine promotes the absorption of the drug.

The invention discloses a modified BiOBr nanosheet as well as a preparation method and application thereof, and belongs to the technical field of photocatalysts. The modified BiOBr nanosheet is modified by replacing part of Bi<3+> on the surface of BiOBr with Co<2+>. The Co<2+> modified pure BiOBr nanosheet is adopted, so that the photo-reduction performance of BiOBr is remarkably improved, the optical phase response range of the BiOBr nanosheet is widened while the original structure of the BiOBr nanosheet is reserved, and the electronic structure is adjusted. The rate of the prepared modified BiOBr nanosheet (Co-BiOBr) for catalytic reduction of CO2 to generate CO reaches 11.71 [mu]mol*g<-1>*h<-1>, the modified BiOBr nanosheet is still maintained at a high catalytic reduction level after four cycles of 12 hours, the properties of the modified BiOBr nanosheet are not changed, and the modified BiOBr nanosheet is high in stability.

The invention discloses a ferriporphyrin / bismuth tungstate composite photocatalytic material and a preparation method thereof. The composite photocatalytic material includes ferriporphyrin and bismuth tungstate, wherein the ferriporphyrin is supported on the bismuth tungstate. The preparation method includes the steps of: dissolving the ferriporphyrin in a mixture solution of acetonitrile and dimethylsulfoxide to obtain a ferriporphyrin solution; dissolving the bismuth tungstate in the ferriporphyrin solution to obtain a mixed solution of bismuth tungstate and ferriporphyrin; regulating the pH value of the mixed solution and allowing the mixed solution to stand to produce the ferriporphyrin / bismuth tungstate composite photocatalytic material. The composite photocatalytic material has good dispersibility, is strong in stability and is easy to recycle and reutilize. The photocatalytic material can be widely applied, has excellent photocatalytic performance and is environment-friendly. The preparation method has mild reaction conditions and simple process and is environment-friendly, and can be used in large-scale production.

The invention discloses anti-fatigue immunity-improving health food. The anti-fatigue immunity-improving health food comprises, by weight percent, 20-40% of astragali root, 20-40% of rehmannia root, 5-25% of red-rooted salvia root, 5-20% of wolfberry fruit, and 5-15% of Chinese caterpillar fungus. The invention further discloses a preparation method of the health food. The anti-fatigue immunity-improving health food made of the natural traditional Chinese medicines functions in improving immunity and resisting fatigue, causes no side effects, and is suitable for people of all ages. In addition, the preparation method is simple and causes no change in properties of the materials, and the anti-fatigue immunity-improving health food can be kept for a long period of time.

The invention provides application of a medicine containing catechin or catechin polymorphs to preparation of medicines for prevention and / or treatment of cancers. Through in-vivo experiment research, tumor cell proliferation can be inhibited remarkably after oral administration or injection of the catechin; through in-vitro experiment research, the catechin is capable of inhibiting tumor cell growth. The catechin is wide in anti-cancer range, has exact treatment effect on various cancers such as Ehrlich's ascites carcinoma, cervical cancer, colon cancer, lung adenocarcinoma, gastric cancer and liver cancer, and has no toxic or side effect, thereby being prominent in popularization prospect.

The invention discloses anti-anoxia immunity-improving health food. The anti-anoxia immunity-improving health food comprises 40-60% of astragali root, 10-30% of wolfberry fruit, 5-25% of Chinese caterpillar fungus, 5-25% of ginseng, and 1-5% of deer horn. The invention further discloses a preparation method of the health food. The anti-anoxia immunity-improving health food made of natural traditional Chinese medicines functions in improving immunity and bearing hypoxia, causes no side effects, and is suitable for people of all ages.

The invention provides an antistatic agent with flame retarding performance, as well as a preparation method and application thereof. The preparation method comprises the following steps: synthesizingethoxylated fatty amine by using fatty amine and ethylene oxide as raw materials and hydrochloric acid as catalyst at normal temperature; performing boric acid esterification on the ethoxylated fattyamine with boric acid to obtain the antistatic agent with flame retarding performance. The antistatic agent with flame retarding performance, prepared by the method, has a long polyoxyethylene unit,longer conductive unit, reinforced hydrophilcity and relatively good antistatic performance. The antistatic agent has small dosage, the antistatic requirement can be met when the addition is 1.5 percent of mass of the whole polymer material, and the dosage of the antistatic agent can be reduced on the premise of keeping relatively good antistatic performance, so that the processing cost can be reduced. The antistatic agent has good antistatic performance and long antistatic duration.

The invention belongs to the technical field of nuclear magnetic resonance, and relates to a T1-T2 double nuclear magnetic resonance imaging contrast agent and a preparation method and application thereof. The contrast agent comprises ferroferric oxide magnetic nanoparticles wrapped by carboxymethyl chitosan, the size of the magnetic nanoparticles is 5-25 nanometers, and the hydrate particle sizeis 20-200 nanometers; the contrast agent has superparamagnetism, a prominent T1 and T2 relaxation enhancement effect and a good long circulation effect, after function exertion is completed, the contrast agent can be metabolized by the body, the preparation method is simple, the mild conditions are achieved, and the cost is low; the contrast agent can be freeze-dried, when the contrast agent is preserved in a solid state, the preservation period is long, and when the contrast agent is redissolved in deionized water, the characters of the contrast agent are hardly changed.

The invention discloses an iron porphyrin / bismuth tungstate composite photocatalytic material and a preparation method thereof. The composite photocatalytic material includes iron porphyrin and bismuth tungstate, wherein the iron porphyrin is loaded on the bismuth tungstate. The preparation method includes dissolving iron porphyrin in a mixed solution of acetonitrile and dimethyl sulfoxide to obtain an iron porphyrin solution, and dissolving bismuth tungstate into the iron porphyrin solution to obtain a mixed solution of bismuth tungstate and iron porphyrin. , adjust the pH value of the mixed solution of bismuth tungstate and iron porphyrin, let it stand, and prepare an iron porphyrin / bismuth tungstate composite photocatalytic material. The composite photocatalytic material of the present invention has the advantages of good dispersion, strong stability, and easy recycling and reuse. It is an environmentally friendly composite photocatalytic material with excellent photocatalytic performance that can be widely used. Its preparation method has reaction conditions. It has the advantages of mildness, simple process, and environmental protection, and can be used for large-scale preparation.

The invention discloses a pre-treatment method for detecting bacterial metabolomics through a gas chromatography-mass spectrometer (GC-MS), and belongs to the field of chemical analysis and detection.The pre-treatment method comprises the steps: culture of bacteria, quenching of bacterial liquid and extraction of intracellular metabolites; and a bacterial liquid sample is quenched through a mixture of methanol and aseptic water, the intracellular metabolites are extracted through a mixture of acetonitrile, isopropyl alcohol and aseptic water, cells are crushed and extracted repeatedly throughcombination of a tissue crusher and a low-temperature ultrasonic phase to obtain a pre-treatment sample, and detected substances can achieve full coverage and quantity maximization. The pre-treatmentmethod can be used for studying or solving key scientific problems such as bacterial toxin production mechanisms, and drug resistance generation and control, and application prospects are wide.

The invention discloses an iron porphyrin-flaky bismuth tungstate two-dimensional composite material and a preparation method thereof, wherein the iron porphyrin-flaky bismuth tungstate two-dimensional composite material comprises iron porphyrin and flaky bismuth tungstate, and the iron porphyrin is immobilized on the surface of the flaky bismuth tungstate. The preparation method comprises: preparing a mixed solution of bismuth nitrate and sodium tungstate; preparing a precursor mixed solution; and carrying out a hydrothermal reaction on the precursor mixed solution. According to the present invention, the iron porphyrin-flaky bismuth tungstate two-dimensional composite material has advantages of good dispersibility, strong stability, easy recovery and reuse, excellent photocatalytic performance, environmental friendliness and the like, can efficiently degrade pollutants (such as antibiotics) in environment without the adding of H2O2, has good photocatalytic degradation effect, can significantly reduce the treatment cost, and has good application prospects and application range in the field of photocatalysis; and the preparation method has advantages of mild reaction conditions, simple process flow and environmental protection.

The invention discloses a method for preparing regular petal-shaped WO3 / Fe2O3, and relates to a method for preparing WO3 / Fe2O3, which comprises the following steps: by taking hydrazine hydrate, methylbenzene, ferric acetylacetonate, oleic acid and sodium tungstate as main raw materials, adding an acidic solution to adjust the pH value, putting into a reaction kettle at 130 DEG C, taking out the solution after 24 hours, cooling at room temperature, adding ethanol into the obtained product Fe3O4, carrying out ultrasonic treatment, cleaning with ethanol under the help of a magnet, and drying to obtain the regular petal-shaped WO3 / Fe2O3. And storing in ethanol for later use. Taking 5 mmol of sodium tungstate, putting the sodium tungstate into a reaction kettle lining, stirring and dissolving, adjusting the pH value to be about 4.5 by using an acid solution, adding Fe3O4 soaked in ethanol, reacting at 160 DEG C for 96 hours, taking out the solution, cooling at room temperature, centrifugally cleaning the obtained product by using deionized water, putting into a drying oven for vacuum drying at 65 DEG C, and grinding the treated solid in an agate mortar to obtain the final product WO3 / Fe2O3. The WO3 / Fe2O3 prepared by the invention has the characteristics of small size, uniform morphology, high yield, low cost, simple synthesis process, environmental friendliness, no toxicity, excellent chemical stability, magnetism and the like, and has wide application prospects.

The invention discloses a Fe (III) cluster / bismuth oxyiodide composite photocatalytic material and a preparation method and application thereof. The photocatalytic material comprises defective bismuthoxyiodide and Fe (III) clusters loaded thereon. The preparation method comprises the following steps: preparing a bismuth oxyiodide monomer; preparing defective bismuth oxyiodide through calcination;and preparing the photocatalytic material through water bath reaction. The photocatalytic material has the advantages of wide photoresponse range, low photo-generated electron and hole recombinationefficiency, high catalytic performance, good stability, good reusability, simplicity in recycling, high recycling rate and the like, can be widely used for treating pollutants in the environment, andhas high use value and good application prospect. The preparation method has the advantages of being simple in process, convenient to operate, low in raw material cost, less in energy consumption, short in time consumption, mild in reaction condition, easy to control, environment-friendly and the like, and the prepared material is high in crystallization degree, unchanged in property and good in application prospect.

The invention discloses a method to reduce the solid content of slurry in settlement tank, comprising the following steps: high-pressure digested slurry from an upper workshop section through a slurry feeding well (2) enters into a settlement tank (1) for liquid-solid separation; the overflow through a crude overflow port (3) is sent to a next working procedure by a crude liquid pump (4); the underflow flows out through a underflow discharge opening (5) at the lower part of the settlement tank (1); part crude liquid through a second overflow port (6), circulation pump (8) and pipelines (7) enters into the slurry feeding well (2) and then the settlement tank (1); thus the slurry in the settlement tank (1) is diluted. The method has the advantages of reducing solid content, improving the settling property of red mud and liquid-solid separation result, ensuring a stable property for the discharging crude liquid and thus ensuring a normal operation of the settling workshop section of red mud.

The invention discloses a method for treating methyl orange by using iron porphyrin / bismuth tungstate composite photocatalytic material and hydrogen peroxide, wherein iron The porphyrin / bismuth tungstate composite photocatalytic material includes iron porphyrin and bismuth tungstate, and the iron porphyrin is supported on the bismuth tungstate. The method of the invention has the advantages of simple operation, short cycle, easy recycling and reuse, and high degradation efficiency. It can not only quickly and efficiently degrade methyl orange under acidic and weakly acidic conditions, but also can quickly degrade methyl orange under strong alkaline conditions. Orange, achieves effective and rapid degradation of methyl orange, and has good application prospects in actual methyl orange wastewater treatment.

The invention provides high-temperature-resistant ink. The high-temperature-resistant ink comprises the following components: 100 parts of organosilicone-modified resin, 60-240 parts of titanium dioxide powder, 0.5-10 parts of fumed silica, 1-30 parts of crosslinking agent, 0.01-1 part of silanol condensation catalyst, 0.1-4 parts of polysiloxane defoaming agent, 0.1-4 parts of alkyl and / or aralkyl-modified polyorganosiloxane leveling agent and 50-150 parts of solvent. According to the high-temperature-resistant ink disclosed by the invention, since organosilicone-modified resin is adopted as a main component and functional additives such as the specific crosslinking agent, the silanol condensation catalyst, the defoaming agent and the leveling agent, are mixed to jointly improve the performances, such as high temperature resistance, resistance to yellowing, stability and the like of an ink product and thus a white glass ink product with excellent high temperature resistance and chemical resistance is obtained.

The invention belongs to the technical field of nuclear magnetic resonance and relates to a T 1 -T 2 A dual-nuclear magnetic resonance imaging contrast agent and its preparation method and application. The contrast agent includes ferric iron tetroxide magnetic nanoparticles coated with carboxymethyl chitosan. The particle diameter of the magnetic nanoparticles is 5-25nm, and the hydrated particles are The diameter is 20‑200nm, the contrast agent has superparamagnetism and prominent T 1 with T 2 The relaxation enhancement effect has a good long-term circulation effect. After the function is fully exerted, it can be metabolized by the body. The preparation method is simple, the conditions are mild, and the cost is low. The contrast agent provided by the invention can be freeze-dried and stored in solid form. Long shelf life, little change in properties when reconstituted with deionized water.

The invention discloses an etching solution formula of a molybdenum grid product. The etching solution formula comprises the following components of 100 liters of water, 50-60 liters of sulfuric acid,10-20 kg of sodium nitrate, and 15-20 g of thiourea, wherein the concentration of sulfuric acid is 92%-98%, and the water is ionic water. According to the method, the etching solution provided by theinvention is stable in self-physical and chemical properties, the situation that the concentration is changed due to volatilization and the like can be avoided even if the etching solution is placed,the use amount of the etching liquid can be accurately controlled according to the concentration of the etching liquid during etching, so that more safer is achieved.

The invention discloses a fresh cocoon reeling technology for silkworm cocoons. According to the operation sequence, the fresh cocoon reeling technology sequentially includes the following steps of (1) silkworm cocoon selecting; (2) stacking storage; (3) cocoon mixing, cocoon stripping and cocoon selecting; (4) refrigerating freezing; (5) cocoon mixing, cocoon stripping and screening; (6) vacuum infiltration; (7) reeling through an automatic silk reeling machine; (8) water absorbing, soaking and assistant treating; (9) packing. The fresh cocoon reeling technology aims at achieving the effectsof being simple, low in cost and high in product quality.

The invention discloses anti-anoxia immunity-improving health food. The anti-anoxia immunity-improving health food comprises 40-60% of astragali root, 10-30% of wolfberry fruit, 5-25% of Chinese caterpillar fungus, 5-25% of ginseng, and 1-5% of deer horn. The invention further discloses a preparation method of the health food. The anti-anoxia immunity-improving health food made of natural traditional Chinese medicines functions in improving immunity and bearing hypoxia, causes no side effects, and is suitable for people of all ages.

Provided are a composite preparation and a method for producing same, the composite preparation comprising: a core containing a first active ingredient; and a film coating layer containing a 5-alpha-reductase inhibitor, wherein the film coating layer is coated with a film coating solution which is a mixed solvent of water and organic solvent with a ratio of 30-80 wt% of the latter, and in which film coating material dissolved.

The invention belongs to the technical field of life science and biomolecule detection, and relates to a needle tip nanopore filling device. The device comprises a centrifuge pipe and a clamp holder clamped on the centrifuge pipe in a sealed mode, wherein a liquid containing tank is integrally formed at the top of the clamp holder; and the clamp holder is in a up-down through mode, and a glass pipe with a needle tip nanopore structure is arranged in a through hole in the middle part of the clamp holder in an inserted mode. The problems that a whole glass needle tip nanopore is difficult to fill and needle tip bubbles are difficult to discharge in a glass needle tip nanopore filling method for injecting filling liquid into a micropipe by adopting a microinjector in the prior art are solved.

The invention discloses healthcare food with functions of hypoxia tolerance and immunity improvement and a preparation method thereof. The healthcare food consists of the following components in percentage by weight: 15-55% of salvia miltiorrhiza, 5-45% of gingko nut, 5-35% of safflower, 5-35% of chuanxiong rhizome and 5-30% of tea polyphenol. According to the healthcare food and the preparation method of the healthcare food, natural traditional Chinese medicines are adopted as raw materials, and side effects can not be caused while the immunity improvement and the hypoxia tolerance are achieved, thereby being suitable for people of all ages; and meanwhile, the preparation method of the healthcare food is simple, and the change on the natures of all raw materials can not be caused, so that the healthcare food can be stored for a long time.

The invention discloses an iron porphyrin-flaky bismuth tungstate two-dimensional composite material and a preparation method thereof. The iron porphyrin-flaky bismuth tungstate two-dimensional composite material includes iron porphyrin and flaky bismuth tungstate. Porphyrin is fixed on the surface of bismuth tungstate flakes. The preparation method includes: preparing a mixed solution of bismuth nitrate and sodium tungstate; preparing a precursor mixed solution; and subjecting the precursor mixed solution to a hydrothermal reaction. The iron porphyrin-flake bismuth tungstate two-dimensional composite material of the present invention has the advantages of good dispersion, strong stability, easy recycling and reuse, excellent photocatalytic performance, environmental friendliness, etc., and the two-dimensional composite material can be used without adding H 2 O 2 Efficiently degrade pollutants (such as antibiotics) in the environment under certain conditions, which not only has a good photocatalytic degradation effect, but also can significantly reduce treatment costs. It has good application prospects and application scope in the field of photocatalysis. Its preparation method It has the advantages of mild reaction conditions, simple process flow, and environmental protection.