42 results about "Microcosmic salt" patented technology

The invention provides a preparation method of polycarbonate. The method comprises the following step of performing copolymerization on carbon dioxide and epoxide under the effects of a main catalyst and a cocatalyst so as to obtain the polycarbonate, wherein the main catalyst has a formula I structure; the cocatalyst comprises one or a plurality of kinds of quaternary ammonium salt, quaternary microcosmic salt and organic alkali; the amount ratio of substances of the main catalyst to the substances of the cocatalyst is 1:(0.2-4). Compared with the prior art, by the preparation method, aluminum porphyrin compositions are adopted as the main catalyst, the electronic environment of aluminum in a metal active center is regulated by changing a substituent group, so that the electronic environment has a higher activity in the copolymerization of the carbon dioxide and the epoxide; in addition, the main catalyst has a higher product selectivity in the copolymerization, and the molecular weight of the obtained polycarbonate is higher. The experimental result indicates that the transforming amount of a catalytic system can be as high as 5563 h<-1> when the copolymerization of the carbon dioxide and the epoxide are catalyzed by the aluminum porphyrin compositions.

The invention discloses a nanometer vauqueline liposome and preparation method which consists of dissolving strychnine, lecithin and cholestrin into organic solvent with a predetermined volume, removing organic solvent from the solution through depressed evaporation for film forming, charging microcosmic salt cushioning solution containing a predetermined concentration of surface active agent, and carrying out swelling, free assembling, ultrasonic dispersing. The prepared strychnine liposome suspending liquid can be used for treating various diseases including gout, arthritis and traumatic injury.

The invention discloses a water-based rare earth nano fluorescent particle for fingerprint manifestation and a preparation method thereof, belonging to the field of biomarkers. The water-based rare earth nano fluorescent particle comprises the following components of La1-x-yPO4:CexTby, wherein x=5-40 percent and y=5-25 percent. The preparation method comprises the steps of: weighting three rare earth inorganic salts according to a certain stoichiometric ratio, adding water for dissolving, and then dropping a sodium tripolyphosphate solution; then regulating the pH value to be equal to 7.0-11.0 by using an NaOH solution, controlling a bath temperature to be 30-100 DEG C, reacting for 1.5-3.5h to obtain a white suspension colloid; washing by using water and centrifuging to remove nitrate ions and excessive microcosmic salts; dissolving by using deionized water to obtain a transparent colloid solution; dropping a sodium hexametaphosphate solution as a stabilizing agent, stirring and standing for one night, then dropping a surface modifying agent to ensure that the mol ratio of the rare earth ions and the surface modifying agent is 1:(0.5-5); and regulating the pH value to be equal to 7.0-11.0 by using the NaOH solution, heating to 80-100 DEG C, stirring for 1-3h to form a rare earth complex with functional groups. The invention has simple process, low cost, better manifestation effect on fingerprints on the surface of a smooth object, and good application prospect.

The invention discloses a microorganism nutrient agent for sewage treatment. The nutrient agent is prepared from the following raw materials in percentage by mass: 15-70% of potato powder, 10-20% of cane sugar, 5-40% of cellulose, 0.5-2% of monopotassium phosphate, 0.5-2% of sodium ammonium, 0.5-3% of ammonium sulfate, 0.5-2% of magnesium sulfate heptahydrate, 0.5-2% of magnesium nitrate, 0.5-2% of calcium chloride, 0.5-4% of ferrous sulfate, 2-15% of peptone and 0.5-8% of oleic acid. As starch and cellulose are taken as main components and are combined with a great amount of organic and inorganic elements, the microorganism nutrient agent can be used for acclimating microorganisms in living wastewater and petrochemical wastewater and used for adjusting microorganism death caused by various insufficient nutrition components or ratio disorder, and has the advantages of being low in price, easy to obtain, free of pollution and rich in nutrition component.

Disclosed are a cryodesiccation preparation of recombinant adenoviruses and preparation method thereof, pertaining to biological products technique field, comprising recombinant adenoviruses 2*1012TCID50,human blood albumin 0.2-1g, trehalose 2-4g, mannitol 1-3g, dextran 1-2g, saccharose 1-3g, microcosmic salt physiological natrii chloridum solution, with a pH value of 7.0-8.0, and with a constant volume of 100ml. The recombinant adenoviruses are protected better at a cryodesiccation condition. The preparation is provided with security, economy, ease for production and use, and no shortcoming of strict cold-chain and short period of validity during low temperature freezing storage and transportation as liquid vaccines have.

This invention discloses a chicken gel food and the method for making the same. The procedures comprise: mix the minced chicken breast with salt solution, and send to the colloidal mill, after degassing, add in compound microcosmic salt, extract at 0-6Deg C for 24-58 hours, filtrate and separate the supernatant by centrifuging, add kara gel and calcium chloride to the supernatant, adjust the pH between 6.0 and 7.5, then heat in the 60-90Deg C water bath for 15-45min, cool to the room temperature and obtain the chicken gel food. This invention enriches the cryogenic chicken food, fills the blank of the market, and is innovative. This invention can promote the finely processing of the chicken product, provide a new way for the finely processing of chicken food, improve the added value, solve the social problem of 'hard chicken sale', and accelerate the domestic animal industry development.

The invention relates to an inactivated vaccine of cow chlamydia, its preparation and the related inspection method during the vaccine preparation. The preparing process comprises diluting the Chlamydia psittaci SX 5 or NX with microcosmic salt buffering liquid or physiological saline, vaccinating to healthy chick embryo hatched at 37 deg. C for 6-7 days, harvesting vitelline membrane and allantois liquid of dead chick embryo after 72 hours as antigens, triturating the antigens, diluting and charging formaldehyde for deactivation, mixing the deactivated antigens with oil adjuvant by the proportion of 1:1, stirring homogeneously, carrying out homogeneous emulsion to obtain the vaccine.

A method for manufacturing a selective emitter structure with low surface concentration and a soft doped zone includes the steps that (1) the surface of a substrate to be prepared is corroded and cleaned, and the surface of the substrate is completely dried after cleaning; (2) the clean substrate prepared in the step (1) is soaked in a solution with high oxidability to carry out wet chemical oxidation on the surface of a silicon wafer, and then the surface of the substrate is completely dried; (3) a microcosmic salt aqueous solution of 0.5-20% is deposited on the surface of the substrate in a spin coating and spraying mode, and then the surface of the substrate is dried; (4) phosphorus ink or silicon ink is deposited on an electrode area on the surface of the substrate coated with a phosphorus source in the step (3) in a screen printing mode, and then the surface of the substrate is dried; (5) the temperature of a diffusion furnace rises, nitrogen is introduced into a diffusion quartz tube, when the temperature reaches 780-890 DEG C, the clean substrate prepared in the step (4) is placed into a constant-temperature area of the diffusion quartz tube, a fire door of the diffusion furnace is sealed, and after the temperature of the diffusion furnace is stable, oxygen is introduced into the diffusion quartz tube; (6) the substrate is taken out and cooled after the diffusion process is over.

The invention relates to an enriched water environment organic contaminant sampling used semi-permeable diaphragm and its application. The device comprises a thin long strip type low density polyethylene (LDPE) film bifurcated pipe with an instant micro hole whose thickness is 70-95ª–m and the surface diameter is 5-10; The ratio of the film pipe surface and the dissolvent volume SA-V is 70-100cm2/1ml. The enriched medium of the film pipe is green dissolvent 1-methyl-3-butyl glyoxaline hexaflurate microcosmic salt or 1-methyl-3-hexyl glyoxaline hexaflurate microcosmic salt ion liquids. It can directly extract the enriched dissolvent to analysis after finishing the sampling and compares it with the dialysis compression and constant volume after-treatment of the (Triolein)-SPMD organic dissolvent.

The invention relates to a method for preparing a lithium battery material, and discloses a method for preparing a lithium iron phosphate anode material. The method comprises the following steps that(1) slurry preparing: ferric salt and microcosmic salt are added into aqueous alkali, and heating reaction is carried out to obtain ferro-phosphorus compound slurry; (2) wet ball-milling: dopant modifier, carbon source and lithium salt are added into the slurry, the wet ball-milling is carried out until the particle size is 50-150 nanometers; (3) spray granulation: spray granulation is carried outon the ball-milled slurry to obtain spherical precursor; (4) high temperature sintering: the spherical precursor is sintered under an inert atmosphere, and the lithium iron phosphate anode material is obtained after the temperature is cooled to a room temperature. According to the method for preparing the lithium iron phosphate anode material, the preparation technology is simple, the energy consumption is lower, the particle size of the lithium iron phosphate anode material is smaller, the distribution is even, the carton coating effect is good, the compacted density is high, the gram volumeis high, a lithium ion battery prepared with the material has better performance and high cost performance, and is the lithium iron phosphate anode material applied to practical production and application.

The invention discloses a Herba Dendrobii tissue cultured seedling medium and a preparation method thereof. The Herba Dendrobii tissue cultured seedling medium comprises the following raw materials: watermelon juice, malic acid, o-benzoic sulfimide, tea polyphenols, sylvite, microcosmic salt, nitrogen salt, calcium salt, magnesium salt, iodine salt, boron salt, molybdenum salt, zinc salt, manganese salt, copper salt, molysite, vitamin, amino acid, indolebutyric acid, gibberellin, 6-benzyl adenine, naphthylacetic acid, kinetin, asparagine, a conditioner, a cosolvent, a dispersant, a compatilizer, a stabilizer, an antibacterial agent and water. Seedlings obtained by tissue culturing of Herba Dendrobii by the Herba Dendrobii tissue cultured seedling medium are good in quality and high in survival rate, and contents of alkaloid, polysaccharide and amino acid can be increased effectively.

The invention discloses a dendrobium candidum tissue culture seedling culture medium for increasing alkaloid and a preparing method thereof. The dendrobium candidum tissue culture seedling culture medium is prepared from apple juice, citric acid, saccharin soluble hydrate, tea polyphenol, sylvite, microcosmic salt, nitrogen salt, calcium salt, magnesium salt, iodate, boron salt, molybdenum salt, zinc salt, manganese salt, copper salt, ferric salt, vitamin, amino acid, indolebutyric acid, gibberellin, 6-benzylaminopurine, naphthylacetic acid, kinetin, asparagine, conditioner, cosolvent, a dispersing agent, compatilizer, stabilizer, an antibacterial agent and water. According to the dendrobium candidum tissue culture seedling culture medium, the obtained seedling is good in quality and high in survival rate, and can effectively improve the content of alkaloid, polysaccharide and amino acid.

The invention relates to a drug formed by 106-1013vp/ml virus particles and findings, wherein the findings comprise microcosmic salt buffer system, 10-200mM NaCl, 1-2mM MgCl2 or CaCl2, 10-500 muM EDTA, 0.15-1% absolute ethyl alcohol, 0.01-0.09% Tween 80, 0-21mMhistidine, and glycerin, while it can also contain L-aminothiopropionic acid. The invention can be stored more than 3 years under 8Deg. C.

Disclosed is an anticancer slow release injection containing plant alkaloids, wherein the constituents include anti-cancer drugs, slow release auxiliary materials, suspending agent and/or dissolvent. The anti-cancer drugs include leurocristine, Vinblastine, procarbazine, leurosidine or vinorelbine, the slow release auxiliary materials can be selected from polylactic acid, glycolic acid and glycolic acid copolymer, ethylene-vinylacetate copolymer or their combination. The suspending agent is selected from sodium carboxymethylcellulose and mannitol. The dissolvent is selected from distilled water, water for injection, physiological lotion, absolute ethyl alcohol, microcosmic salt or carbonates cushioning liquid. The anticancer slow release injection can be administered through subcutaneous, intracavity, intra-tumor, tumor-surrounding, intra- lymph gland or bone marrow channels, the whole body toxicity reaction of the anti-cancer medicament can be lowered, the tumor local medicinal concentration can also be selectively increased and maintained, and the treatment effect of the non-operative treatment methods such as chemotherapy, medicament and radiation can also be improved.