98results about How to "Fast absorption rate" patented technology

The invention discloses an asymmetrical electrode two-dimensional material/graphene heterojunction cascaded photodetector and a manufacturing method thereof. The detector comprises a Si/SiO2 substrate, a first electrode is arranged on the Si/SiO2 substrate, a two-dimensional material layer is arranged on the first electrode, a second electrode is arranged on the two-dimensional material layer, and the two-dimensional material layer is an n-layer heterojunction formed by graphene and two-dimensional material which are overlapped. The asymmetrical electrodes with different work functions are adopted, formation of a Fermi energy level difference from the first electrode to the second electrode is promoted, photocarriers are generated and then quickly diffused to an external circuit, quick combination of an electron hole can be avoided due to existence of the energy level difference, and the photo response of the device can be enhanced; and as the graphene and the two-dimensional material are combined, the high carrier mobility and the super quick response time of the graphene, and the high absorption rate towards light by the two-dimensional material are used respectively, and a super quick and super high-response photodetector can be realized.

The invention discloses a water-soluble florfenicol clathrate with high bioavailability. The water-soluble florfenicol clathrate is prepared from the following components in parts by weight: 5-15 parts of florfenicol or pharmaceutically acceptable salt of florfenicol, 20-60 parts of a florfenicol adsorption carrier, 1-2 parts of an absorption promoter, and 10-30 parts of a florfenicol cosolvent. For the florfenicol clathrate provided by the invention, the solubility of florfenicol is effectively improved, the bioavailability of florfenicol is improved, the hemolysis property of the medicine is alleviated, the release rate of the medicine is controlled, and the bad smell is masked. The preparation method provided by the invention comprises the following steps: firstly, mixing the florfenicol adsorption carrier, the absorption promoter and the florfenicol cosolvent, adding with florfenicol or the pharmaceutically acceptable salt of florfenicol under the water bath water control condition, carrying out stirring, carrying out heat preservation, and carrying out drying, thus obtaining the florfenicol clathrate. The technological operation is simple, the abundant time and manpower are saved, and during the preparation process, no organic solvents are used, so that the preparation method is safe and reliable and is free of pollution, and the process is simple and easy to realize.

The invention discloses a carbon dioxide capturing agent and application thereof. Waste concrete is taken as a raw material, after primary cutting, pre-burning and vibration smashing, after vibrationseparating, the waste concrete is sieved through a 60 mesh-325 mesh sieve, sieved subparticles are collected and subjected to grinding treatment, and the carbon dioxide capturing agent is obtained. The prepared CO2 capturing agent is high in speed of absorbing carbon dioxide, short in reaction time, simple in operation, high in technology adaptability and capable of being widely applied to wet ordry carbon capturing. According to the agent, the high added value of hardened gel and the utilization efficiency of waste concrete are improved, the new material with wide sources and low cost is provided for carbon dioxide capturing agents of industrial gas, and the green and environmentally friendly new material meeting the national related supporting policies is provided, can be used for capturing carbon dioxide in smoke of large-scale coal burning enterprises of electricity generation, metallurgy, cement and the like, and has significant social benefits, environment benefits and economicbenefits.

The invention discloses a twin-tower type flue gas deep purification device through plasma coupling and sodium based absorption. The desulfurization tower and denitration tower in the device are separated from each other. The desulfurization tower comprises a desulfurization slurry circulating tank, a desulfurization spraying layer, a desulfurization demister, and a desulfurization flue gas outlet from bottom to top. A plasma demisting and oxidizing device comprises a demisting part and an oxidizing part, and the lower ends of the demisting part and the oxidizing part are both provided with a demisting wastewater outlet. The denitration and demercuration tower comprises a denitration and demercuration slurry circulating tank, a filling material layer, a denitration and demercuration spraying device, a denitration and demercuration demister, and a denitration and demercuration flue gas outlet from bottom to top. A desulfurization flue gas outlet is arranged between the desulfurization slurry circulating tank and the desulfurization spraying layer. The denitration and demercuration slurry circulating tank is connected to the oxidizing part. The demisting part is connected to the desulfurization flue gas outlet. The desulfurization slurry circulating tank is connected to the desulfurization spraying layer. The denitration and demercuration slurry circulating tank is connected to the denitration and demercuration spraying device. The desulfurization slurry circulating tank and the demisting wastewater outlet are both connected to the denitration and demercuration slurry circulating tank.

The invention discloses a transdermal delivery preparation in three-dimensional netty spatial configuration of agomelatine and a preparation method thereof. The transdermal delivery preparation consists of a backing layer, a medicine-loading system in a three-dimensional netty spatial configuration coated on the backing layer and an anti-sticking layer compounded on the system. The medicine-loading system in the three-dimensional netty spatial configuration comprises the following components in percentage by weight: 1-40% of agomelatine, 0-10% of nano-porous carbon dioxide, 40-90% of a pressure-sensitive adhesive, 1-30% of a transdermal penetration enhancer and 0-20% of a dispersant. The transdermal delivery preparation disclosed by the invention not only can continuously deliver the medicine in a transdermal manner for a longer time to maintain the constant blood concentration, but also is quick in transdermal absorption rate and high in transdermal absorptive amount, so that the preparation has the characteristics of stability and efficiency.

Belonging to the technical field of capture of carbon dioxide in gas, the invention relates to a capture solvent for capturing carbon dioxide in a post-combustion carbon dioxide gas source and application. The capture solvent includes alcohol amine, an ionic liquid activator and deionized water, wherein the alcohol amine is one or more of 2-amino-2-methyl-1-propanol, 2-(methylamino)-ethanol, 2-(ethylamino)-ethanol, 2-(diethylamino)-ethanol, 2-(2-hydroxyethyl)-piperidine, diglycolamine, dimethylamino-2-propanol, and triethanolamine. The negative ion of the ionic liquid activator has an amino acid structure, the structural formula of amino acid is H2N-R-COOH (R=CnH2n, n=1-5), and the positive ion is one or more of organic amine salt positive ion and organic alcohol amine positive ion. The capture solvent provided by the invention has the advantages of low regeneration energy consumption, fast absorption rate and the like, also consumes little ionic liquid, has strong stability, and is not easy to degrade. Therefore, the capture solvent has very good prospect in the field of carbon dioxide capture after large-scale combustion.

The invention discloses a transdermal drug delivery preparation with three-dimensional mesh stereoscopic configuration and a preparation method of the transdermal drug delivery preparation. The transdermal drug delivery preparation with the three-dimensional mesh stereoscopic configuration is composed of a transdermal drug delivery system with the drug-loaded three-dimensional mesh stereoscopic configuration, a backing layer and an anti-sticking layer, wherein the backing layer is compounded on one side of the transdermal drug delivery system with the drug-loaded three-dimensional mesh stereoscopic configuration; and the anti-sticking layer is compounded on the other side of the transdermal drug delivery system with the drug-loaded three-dimensional mesh stereoscopic configuration. With nanoporous silica as a carrier, the defects that a preparation is low in drug loading capacity, medicines are easily separated out and crystallized to affect the transdermal absorption efficiency, the adhesion performance of a pressure-sensitive adhesive system is not ideal enough, the pressure-sensitive adhesive system is easy to age, and the medicine stability is poor are solved; the long-term lasting transdermal penetration of the medicine can be effectively achieved; the stable blood concentration can be maintained; and the preparation has the characteristics of high transdermal absorption rate, high transdermal absorption amount, stability and high efficiency.

The invention relates to a preparation method of a polydimethylsiloxane porous adsorption material. The method comprises the steps that organo-siloxane is used as a preformed polymer, and a curing agent, a thinning agent, a pore-forming agent and a foaming agent are added; the porous adsorption material is prepared from, by weight, 10-20% of the siloxane preformed polymer, 1-5% of the curing agent, 10-30% of the thinning agent, 10-30% of the pore-forming agent and 30-50% of the foaming agent, uniform stirring is performed, the mixture is dropped into a foaming solution drop by drop, and the porous adsorption material is obtained through specific treatment. The obtained porous material can adsorb various oils and organic solvents such as petroleum ether, carbon tetrachloride, tetrahydrofuran, trichloromethane, normal octane, cyclohexane, normal octane, kerosene and ethyl acetate. The experimental method is novel, simple and easy to implement and low in cost, the material can be recycled, the material is environmentally friendly, and therefore the porous material has the excellent application prospect.

The invention relates to a transdermal patch containing a proton pump inhibitor drug. The transdermal patch is characterized by mainly comprising a back lining layer, a drug library layer and an anti-sticking layer, wherein the drug library layer contains the following components in percentage by weight: 0.1%-40% of active components, 20%-90% of a drug library matrix, 1%-5% of a stabilizer, 1%-30%of a transdermal absorption enhancer and 0-20% of a dispersing agent. According to the transdermal patch, long-time continuous transdermal penetration of the drug can be effectively realized, a constant blood concentration can be maintained, and a preparation is high in transdermal absorption speed and transdermal absorbing capacity; and the transdermal patch has the characteristics of stability,high efficiency, relatively high pharmaceutical safety and the like.

The invention discloses ionic liquid for phase change absorption of sulfur dioxide. The ionic liquid consists of organic cations and organic or inorganic anions. The cations are provided by heterocyclic compounds such as imidazole and piperazine, and an amine compound; the anions are provided by carboxylic acid, amino acid, inorganic acid and the like. The substances that provide the cations and the anions are added according to the stoichiometric ratio of reaction, and between 20 DEG C and 50 DEG C, the ionic liquid can be prepared after the complete reaction of the substances. The ionic liquid has the advantages of low volatility and good thermal stability; the key point is that a liquid-solid phase change occurs after SO2 absorption, and only one phase enriched with SO2 is sent to a regeneration tower for desorption, so that the desorption energy consumption is reduced to a great extent. Moreover, the SO2 can also be cyclically absorbed. Therefore, the ionic liquid is an absorbent with good performance, has a great application prospect and is suitable for the collection and the separation of the SO2 in coal-fired flue gas.

The invention relates to a carbon dioxide absorbent used for capturing after combustion. The carbon dioxide absorbent is characterized by being composed of a main absorbent polyethyleneimine (PEI), auxiliary absorbents TEPA, MEA, MDEA, DEA and PZ, an antioxidant sodium sulfite, potassium sulfite or ammonium sulfite, a corrosion inhibitor sodium molybdate, sodium chromate, sodium vanadate or ammonium molybdate, and water. The molecular weight of polyethyleneimine (PEI) is 300-500; polyethyleneimine has a branch shape, and the molecule comprises three amino groups including primary amine, secondary amine and tertiary amine; and compared with other types of organic amines, polyethyleneimine has higher amine density. A compound absorption solution has relatively high carbon dioxide absorption amount, relatively rapid absorption speed, low regeneration energy consumption and high stability, so that the absorbent has a very great application prospect in the aspect of capturing carbon dioxide after combustion.

The invention discloses a preparation method of N,N'-dicyclohexyl urea, which is characterized in that: anionic functionalized ionic liquid absorbs CO through chemical action ₂ In situ reaction of carbon source and cyclohexylamine, N,N'-dicyclohexylurea was prepared under mild conditions. with traditional CO ₂ Compared with the method of preparing N,N'-dicyclohexyl urea directly with cyclohexylamine reaction, this method has the advantages of low reaction temperature and pressure, CO ₂ The utilization rate is high, the anionic functionalized ionic liquid can be recycled, and no additional catalyst, dehydrating agent and solvent are needed. It is a preparation method of N,N'-dicyclohexyl urea with industrial application potential.

A combined-type absorbent used for selectively absorbingSO2 comprises three ingredients: water, polyamino compound strong acid salt, and at least one of amide compounds and urea compounds, wherein the polyamino compound strong acid salt is obtained via reaction between a polyamino compound and organic strong acid/inorganic strong acid. As the alkalinities of different amido groups are different, the invention provides the combined-type absorbent according to a PH buffer solution principle, the preparation technology is simple, and the cost is low; the absorption selectivity of SO2 is high, the absorption efficiency is high, and SO2 can be recycled.

The invention discloses a transdermal drug delivery preparation with a drug-loaded three-dimensional mesh spatial configuration and a preparation method of the transdermal drug delivery preparation. The transdermal drug delivery preparation with the drug-loaded three-dimensional mesh spatial configuration is composed of a transdermal drug delivery with the drug-loaded three-dimensional mesh spatial configuration, a backing layer and an anti-sticking layer, wherein the backing layer is compounded on one side of the transdermal drug delivery with the drug-loaded three-dimensional mesh spatial configuration; the anti-sticking layer is compounded on the other side of the transdermal drug delivery with the drug-loaded three-dimensional mesh spatial configuration; and an active medicine comprises the forms of oxybutynin hydrochloride or tartrate thereof, sulfate, phosphate, fumarate and a basic group. According to the transdermal drug delivery preparation, the drug loading capacity is greatly increased; the drug loading capacity can be improved; the medicine devitrification is inhibited; the medicines are sequentially and uniformly dispersed into the transdermal drug delivery system; stable release is carried out; long-term lasting transdermal permeation of the medicines can be realized; stable blood concentration is maintained; and the preparation is high in transdermal absorption rate and high in transdermal absorption amount, and has the characteristics of being stable and efficient.

The invention discloses composite high peptidergic biological protein feed. The invention also discloses a preparation method of the protein feed. Blood meal and palm meal subjected to peptide are reasonably mixed to prepare the high peptidergic biological protein feed which has high peptidergic biological protein and is a micro-ecological preparation rich in high small peptide, high energy and high protein. The quality and a feeding effect of the composite high peptidergic biological protein feed are very close to that of fermented bean meal and even are better than that of the fermented bean meal. According to the feed and the preparation method thereof, not only is the global difficulty that the protein is in shortage effectively alleviated, but also the feed is easy to popularize rapidly in feed enterprises because of low production cost and remarkable prebiotics actions, and the process for prebiotics to gradually substitute antibiotics can be accelerated.