26results about How to "Increase release rate" patented technology

The invention provides a solid hydrogen storage thermal management system and method, and relates to the technical field of thermal management, and the system comprises a solid hydrogen storage module, a heating liquid storage module, a heat exchanger and a cooling module. The solid hydrogen storage module is composed of a plurality of solid hydrogen storage units connected in parallel, a first control valve and a second control valve. The heating liquid storage module comprises a liquid storage tank and a heater and is communicated with each solid hydrogen storage unit; and the cooling module comprises a water chilling unit and is used for cooling the medium flowing out of the liquid storage tank during hydrogen filling. And in the hydrogen charging and discharging operation, a control valve of the target solid hydrogen storage unit is opened, so that the target solid hydrogen storage unit, the heating liquid storage module and the heat exchanger form a communication loop. The heater heats the heat exchange medium to a first temperature range required by hydrogen desorption, and the water chilling unit cools the heat exchange medium to a second temperature range during hydrogen charging. The temperature of the solid hydrogen storage system can be effectively controlled in the hydrogen charging and discharging process.

The invention provides a solid hydrogen storage thermal management system and method, and relates to the technical field of thermal management, the system comprises a hydrogen charging and discharging module, a heating liquid storage module, a cooling liquid storage module, a loop switching module, a heat exchanger and a cooling module, the hydrogen charging and discharging module comprises a hydrogen storage unit, and the hydrogen storage unit is connected to a first control valve and a second control valve. The heating liquid storage module is composed of a heat liquid storage box and a heater and connected with the control valve. And the cooling liquid storage module comprises a cold liquid storage tank which is communicated with the control valve. The loop switching module utilizes the first control valve and the second control valve to switch heat exchange medium flow paths. The cooling module comprises a cooling unit. During hydrogen filling, the control valve is configured to form a first communication loop, and the heat exchange medium is cooled to the hydrogen filling temperature; and during hydrogen desorption, a second communication loop is formed, and the heat exchange medium is heated to the hydrogen desorption temperature. The temperature of the solid hydrogen storage system can be effectively controlled in the hydrogen charging and discharging process.

The invention provides a ruminant rumen bypass coating preparation and a preparation method and application thereof. The rumen bypass coating preparation comprises a core material and a coating, wherein a coating solution for preparing the coating comprises the following components in parts by weight: 8-10 parts of soybean lecithin oil; 2-3 parts of reducing sugar; 18 to 20 parts of grease; the coating liquid is prepared by the following steps: heating and melting 8-10 parts of soybean lecithin oil at the high temperature of 60-90 DEG C, adding 2-3 parts of reducing sugar into a molten reaction pot, stirring until the reducing sugar is molten, and preserving heat at 50 DEG C after the materials react to be brown yellow; and additionally taking 18-20 parts of grease, heating and melting, mixing the material obtained in the previous step with the grease, and uniformly stirring to form a mixed solution, namely the coating solution. According to the invention, the Maillard reaction between lecithin and reducing sugar is utilized to produce a product with good rumen bypass and intestinal release effects, the obtained product has high purity, good quality and high small intestine release rate, the vitality of immune cells is improved, and the disease resistance and stress resistance are enhanced.

The present disclosure relates to a controlled release coated fertilizer product comprising a core of fertilizer particles and a coating of a readily biodegradable component and a natural polymer. The envelope comprises an inner layer comprising lignin and a hydrophobic outer layer. The present disclosure also relates to a method of making a coated fertilizer product, and the use of the coated fertilizer for controlled release of nutrients in agriculture.

The invention discloses a method for preparing rice bran powder by using a sectional type steam explosion technology, which comprises the following steps: (1) removing impurities from fresh rice bran, immediately spraying a color fixative on the rice bran, uniformly stirring, adding into a steam explosion machine, and carrying out two-section type steam explosion treatment to obtain wet rice bran powder; and (2) drying the wet rice bran powder obtained in the step (1) until the water content is below 10% to obtain the rice bran powder, the steam explosion treatment conditions in the step (1) are as follows: the first section is 0.6 MPalt; the steam pressure is smaller than or equal to 0.8 MPa, and the pressure maintaining time is 1-2 min; in the second stage, the steam pressure is larger than or equal to 0.3 MPa and smaller than or equal to 0.6 MPa, the heat preservation range is 135-160 DEG C, and the pressure maintaining time is 2-5 min. Compared with the prior art, the preparation method has the advantages that the stability of the rice bran can be effectively improved, the taste, sensory characteristics and digestibility of the rice bran are improved, the operation time is short, and the energy consumption is low.

The invention relates to the technical field of microcapsules, in particular to a pesticide sustained-release microcapsule as well as a preparation method and application thereof. The shell material of the pesticide sustained-release microcapsule provided by the invention is organic silicon modified polyurethane, and the core material of the pesticide sustained-release microcapsule is an original pesticide; wherein the organic silicon modified polyurethane is obtained by reacting isocyanate, organic silicon dihydric alcohol and degradable dihydric alcohol. The low-polarity and low-surface-energy organic silicon is introduced into the shell material of the pesticide sustained-release microcapsule, so that the contact angle of the microcapsule emulsion is reduced, and the microcapsule emulsion is easier to wet and spread on crops; the degradable dihydric alcohol is introduced, so that the microcapsule is degraded and broken for a long time, the internally wrapped pesticide is fully released, and the release rate and the utilization rate of the pesticide are improved.

The present invention relates to the technical field of biohydrogels, and discloses a preparation process and application of a biohydrogel for sustained-release L-carnosine, utilizes N-maleyl-2-aminoethanesulfonic acid and ethylenediamine-modified β-cyclodextrin to undergo amidation reaction, obtains maleylethanesulfonic acid-modified β-cyclodextrin containing alkenyl and sulfonic acid groups, utilizes its alkenyl and N-isopropylacrylamide to carry out polymerization reaction, obtains thermosensitive β-cyclodextrin hydrogel, has hydrophilic sulfonic acid groups, improves the water absorption rate of hydrogel. Utilize the inclusion action of β-cyclodextrin in hydrogel, carry out ultrasound-assisted inclusion process to L-carnosine, obtain the biohydrogel for sustained-release L-carnosine, good biocompatibility, high sustained-release rate of L-carnosine, strong scavenging rate and antioxidant performance of hydrogen peroxide, and has broad application prospects in the fields of drug carriers, drug sustained release, bioengineering, etc.

The present invention discloses a plant growth regulator for tomatoes and a preparation method thereof, and belongs to the technical field of plant growth regulators. The plant growth regulator of the present invention comprises the following raw materials in parts by weight: 30-50 parts of algae extract, 20-40 parts of bacterial culture, 3-6 parts of chitosan, 0.1-0.5 parts of sodium alginate, and 100-150 parts of auxiliary materials. The plant growth regulator of the present invention, when used in small amounts, can greatly increase crop yield and quality, while reducing the probability of occurrence of tomato gray mold, solving the problems of slow growth of tomatoes, low yield and high incidence of diseases in some tomato planting areas, and the ingredients are safe and environmentally friendly, non-toxic to crops, and have a positive effect on reducing environmental pollution and pesticide residues.

The present application belongs to the technical field of medical hemostatic dressings and bandages, and particularly relates to a Duyuwei emergency hemostatic bandage, which comprises a bandage main body, the bandage main body is composed of a tight band and a dressing pad, the dressing pad is fixed to the front end of the tight band, the dressing pad is composed of an absorption area, a tablet area and a pad base layer, the absorption area and the tablet area are fixed on the pad base layer by traditional Chinese medicine glue, the absorption area is composed of Duyuwei gelatin sponge, the tablet area is composed of Duyuwei external-use tablets, and the pad base layer is composed of a medical degreasing cotton pad. A preparation method of the Duyuwei emergency hemostatic bandage comprises the following steps: Duyuwei medicinal material decoction piece component extraction, Duyuwei external-use tablet preparation, traditional Chinese medicine glue preparation, Duyuwei gelatin sponge preparation and Duyuwei hemostatic bandage preparation. The present application has the advantages of rapid hemostasis and remarkable efficacy: the Duyuwei extract, the gelatin sponge and the traditional Chinese medicine glue synergistically act to significantly shorten the hemostasis time. Animal experiments show that the average hemostasis time is short.

An orally disintegrating nicotine tablet for nicotine craving relief is disclosed, the tablet comprising a pressed powder formulation, the tablet being designed to disintegrate within a period of less than 60 seconds upon oral administration, the powder formulation comprising an amount of nicotine, a pH regulating agent, at least one polyol, and a disintegrant, wherein the polyol comprises more than 40% by weight of the tablet, and wherein the pH regulating agent is an alkaline pH regulating agent.

This invention discloses an oil composition with a balanced fatty acid ratio and lipid-lowering effects, and its applications. The oil composition comprises vegetable oil, probiotics, phospholipids from camellia seed cake, gelatin, and sodium alginate. It effectively reduces serum triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels while increasing high-density lipoprotein cholesterol levels, exhibiting a good lipid-lowering effect. Furthermore, when the oil composition is formulated into microcapsules, it exhibits good stability, encapsulation efficiency, and release rate. The oil composition also helps maintain the activity of probiotics, allowing for better preservation and efficacy. Based on this, this invention also provides a candy containing the oil composition, enriching the variety of products with lipid-lowering effects and promoting the development of lipid-lowering related products.

The present invention discloses an application of a dehydrogenated short peptide in the controlled release of anti-tumor drugs, wherein the dehydrogenated short peptide is applied to load chlorambucil to form a dehydrogenated short peptide-loaded chlorambucil gel DHPN1-CLB, thereby realizing the control of the in vitro release of chlorambucil, improving the aggregation of chlorambucil in cells during in vitro release, strengthening the anti-leukemia cell proliferation effect, and inducing cell apoptosis by decreasing the mitochondrial membrane potential of leukemia cells. The results show that the cell uptake experiment shows that the dehydrogenated short peptide-loaded chlorambucil gel DHPN1-CLB has a larger amount of aggregation in cells and is easier to enter cells. DHPN 1 can increase the aggregation of chlorambucil in cells, thereby enhancing the anti-leukemia cell proliferation effect. The chlorambucil-dehydrogenated peptide nanosystem induces cell apoptosis by decreasing the mitochondrial membrane potential of leukemia cells, and is time- and dose-dependent.

The application relates to the technical field of archaea DNA extraction, in particular to a preparation method and application of auxiliary wall-breaking nanometer magnetic beads for archaea DNA extraction. The method comprises the following steps: (1) constructing an inverse emulsion droplet microfluidic chip: washing, drying and hydrophobic modification treatment are performed on a PDMS base material to prepare a microfluidic chip; (2) preparing an inverse microemulsion system: the continuous phase and the dispersed phase are respectively pumped into the microfluidic chip at a predetermined flow rate, so that Fe 2+ and Fe 3+ undergo a coprecipitation reaction to generate Fe3O4 nanoparticles; (3) maturation crystallization; (4) demulsification separation and washing; and (5) drying to obtain auxiliary wall-breaking nanometer magnetic beads. The method has the beneficial effect of solving the problems in the prior art that the cell wall is difficult to effectively break, the DNA release rate is low, the extraction purity is poor, the repeatability is insufficient and the standardization and continuous preparation are difficult to realize when DNA extraction is performed on archaea samples in extreme environments.

The present invention relates to a functional feed and an oral delivery system for delivery of bioactive macromolecules. The oral delivery system comprises ethylenediammonium alginate which is a vehicle for delivery of macromolecular drugs. The oral delivery system according to the present invention is particularly suitable for use in combination with functional feeds in fish.

The invention relates to a preparation method of block polymer nanoparticles. According to the invention, the quercetin and the pH-sensitive polymer are coated with the PLGA block polymer through an emulsion polymerization method, the pH-sensitive polymer is prevented from premature degradation of the nanoparticles, and the chitosan is used as the outer layer of the nanoparticles; under the combined action of the PLGA block polymer, the pH sensitive polymer and the chitosan, the drug release rate of the nano-particles when the pH value is 1.2 is reduced, so that the nano-particles have lower drug release rate and lower cytotoxicity.

This invention belongs to the field of food processing technology, specifically relating to an oat bran β-glucan extract, its preparation method, and its application. The preparation method involves obtaining the oat bran β-glucan extract from oat bran through multi-stage enzymatic hydrolysis. The enzymes used in the multi-stage hydrolysis sequentially include pentosanase, thermostable α-amylase, and proteinase K. This invention, under ultrasound assistance, allows pentosanase to efficiently break down cell walls first, significantly increasing the release rate of β-glucan. Subsequently, thermostable α-amylase and proteinase K precisely remove starch and protein impurities sequentially, greatly improving the purity of the product. This process route is mild, highly specific, and operates continuously, reducing impurity residue while improving extraction efficiency, providing a reliable and cost-effective solution for the large-scale preparation of high-purity, highly bioactive oat β-glucan.

The invention discloses a formula and a preparation process of a Chinese herbal medicine animal feed, and belongs to the technical field of animal feed preparation, the Chinese herbal medicine animal feed comprises the following raw materials in parts by weight: a core health-care formula: 20-30 parts of radix astragali, 15-25 parts of radix astragali, 10-20 parts of hawthorn, 10-20 parts of malt, 8-15 parts of pericarpium citri reticulatae, 15-20 parts of malt, 3-6 parts of fennel, 3-6 parts of anise and 3-6 parts of myrcia; and the immunological enhancement formula comprises 8 to 15 parts of honeysuckle flower, 5 to 12 parts of wild chrysanthemum flower, 8 to 15 parts of isatis root, 12 to 15 parts of lucid ganoderma, 6 to 10 parts of tsaoko amomum fruit, 15 to 20 parts of motherwort herb, 15 to 20 parts of medicated leaven and 15 to 20 parts of beautiful millettia root. According to the invention, a biochemical method of'synergistic extraction-concentration preparation 'is adopted, and active ingredients in the medicinal materials are extracted and concentrated to the greatest extent in advance in vitro, so that the herbal medicine raw materials are upgraded into high-concentration active extracts, and animals can directly, quickly and efficiently absorb the active ingredients, therefore, the additive amount is small, and the cost is low. And the effect is more obvious and quicker.

The present invention relates to a multi-factor response controlled-release pesticide and a preparation method and application thereof. The pesticide is compounded with modified biochar loaded with carbendazim as a core and cellulose biomass as a response shell, and the modified biochar is phosphoric acid-modified corn straw biochar. In the present invention, the phosphoric acid-modified corn straw biochar can greatly increase the loading amount of carbendazim, obtain a core with a high loading amount, and use cellulose biomass as a response shell, which has good responsiveness to enzymes, pH and temperature, and can form a response shell that is unified with the onset conditions of crop diseases, so as to achieve a more accurate controlled-release effect of pesticides, which has a promoting effect on reducing the application and increasing the efficiency of pesticides in practical applications, and has important practical significance for the safe production and quality of food crops.

The present application relates to the field of biological medicine, and discloses a fermentation product of lavender flowers and camellia seed oil, and a preparation method and application thereof. The preparation method of the fermentation product of the lavender flowers and the camellia seed oil comprises the following steps: fermenting a flower oil mixture by using a bumblebee s. sternai yeast, and taking an oil phase product after fermentation; the flower oil mixture is a mixture of the lavender flowers and the camellia seed oil. The method can efficiently extract essential oil in the lavender flowers, the mixed product of the lavender flowers and the camellia seed oil after fermentation has a synergistic effect in efficacy, has good anti-inflammatory and moisturizing effects, and can be applied in anti-inflammatory products and moisturizing products.

This invention discloses a device and method for recovering organic matter and phosphorus from wastewater, belonging to the field of wastewater treatment technology. The method includes the following steps: (1) pumping the wastewater to be treated into a carbon and phosphorus capture tank and inoculating it with sludge to achieve preliminary enrichment of organic matter and phosphorus; (2) pumping the enriched sludge into a pre-oxidation tank and adding ferrate for stirring; (3) pumping the effluent into an anaerobic fermentation tank and adding ethanol to the system for anaerobic fermentation to convert the generated short-chain fatty acids into medium-chain fatty acids; (4) pumping the mixed liquid after anaerobic fermentation into a separation and recovery tank for stirring reaction, settling, and recovering phosphorus in the form of lapis lazuli; (5) returning the sludge settled in the anaerobic fermentation tank to the carbon and phosphorus capture tank through a sludge return system, and the system operates continuously and stably for ≥5 cycles. This invention uses the different valence state transformations of iron and their corresponding compounds as driving factors, and adopts a combination of carbon and phosphorus capture tanks, pre-oxidation tanks, anaerobic fermentation tanks, separation and recovery tanks and sludge return systems. Through biochemical and physicochemical means, microorganisms are regulated to efficiently capture organic matter, and iron compounds synergistically adsorb organic matter and phosphorus, ultimately realizing the recovery of organic matter and phosphorus from wastewater in the form of high-value-added medium-chain fatty acids and lapis lazuli.

The invention relates to the technical field of functional compositions, in particular to a liquid functional composition and application thereof, and the liquid functional composition comprises the following components in parts by weight: 15-30 parts of ultralow-temperature wall-broken pine pollen; 60-75 parts of a carrier; 0-10 parts of rice polypeptide; 0-3 parts of whey protein isolate; 0 to 1.5 parts of beta-1, 3 / 1, 6-glucan; 0 to 0.3 part of vitamin C; 0.05 to 0.3 part of vitamin E; 0 to 0.3 part of citric acid; 0-10 parts of glycerol; 0 to 1.5 parts of sodium hyaluronate; 0-1 part of panthenol; 0 to 0.3 part of allantoin; 0 to 0.15 part of curcumin; 0 to 0.03 part of capsaicin; 0 to 0.6 part of carbomer; under the ultralow temperature condition, macromolecular structures such as polysaccharide and protein in pollen walls become more fragile and easier to crush, and the original configurations of the molecules can be kept to the maximum extent.

Delivery systems and compositions comprised of a biodegradable polyorthoester polymer, an organic acid excipient, and a basic drug are described, along with related methods.

The present application relates to a kind of chlorine dioxide solid sustained-release agent and its preparation method, the preparation method includes: S1, zeolite, activated carbon fiber and water are mixed, stirring and then filtering dry, obtain activated carbon fiber modified zeolite;S2, the above activated carbon fiber modified zeolite is contacted with fluorine gas, and activated carbon fiber-fluorine gas modified zeolite is obtained;S3, the above activated carbon fiber-fluorine gas modified zeolite is soaked in chlorite solution, filter dry, and the chlorine dioxide solid sustained-release agent is obtained, the chlorine dioxide solid sustained-release agent obtained by the method has the advantages of large chlorite loading, chlorine dioxide release rate is fast, sustained-release period is long etc..

The present invention relates to a functional feed and an oral delivery system for delivery of bioactive macromolecules. The oral delivery system comprises ethylenediammonium alginate which is a vehicle for delivery of macromolecular drugs. The oral delivery system according to the present invention is particularly suitable for use in combination with functional feeds in fish.

The application discloses antibacterial ion controllable release fiber, air filtering material and a preparation method thereof, wherein the antibacterial ion controllable release air filtering material comprises a fiber body, dopamine attached to the fiber body, an antibacterial agent deposited on the dopamine surface of the fiber body, and a controllable release layer attached to the antibacterial agent surface; the raw material of the controllable release layer is a substance swelling in a bacterial metabolic environment. The application overcomes the defect that the antibacterial filtering material disclosed in the prior art does not have long-acting property, has a bactericidal ion controllable release bactericidal function, a bactericidal retention rate > 99%, and a storage time > 70 days.