40results about How to "Control synthesis" patented technology

The invention discloses a treatment process and system for coupling, drying and pyrolyzing household garbage. The treatment process includes the steps that (1) the household garbage is subjected to crushing and magnetic separation pretreatment; (2) the household garbage is subjected to biothermal air coupling and drying treatment; (3) the household garbage is subjected to pyrolysis gasification through a pyrolysis gasification furnace; (4) pyrolysis produces combustible gas into a secondary combustion chamber for secondary combustion; (5) secondary combustion produces high temperature flue gasto pass through a quenching heat exchanger; (6) after the heat exchange, the flue gas is exchanged with the air through an air preheater; and (7) the flue gas is finally discharged through an exhaustgas treatment system. The treatment system includes a crushing magnetic separation device, a biothermal air coupling and drying treatment device, the pyrolysis gasification furnace, the secondary combustion chamber, the quenching heat exchanger, the air preheater, the exhaust gas treatment system, and a chimney. The system has the advantages of high pyrolysis treatment efficiency of the householdgarbage, high stability of garbage pyrolysis and gasification, high controllability of the process, and low difficulty in treatment of exhaust gas, and can be widely applied to the technical field ofhousehold garbage pyrolysis treatment.

The invention discloses a method for preparing a lithium ion battery cathode material in-situ carbon coated lithium manganese borate composite material. The method comprises the following steps of: grinding a lithium source, a manganese source, a boron source and a carbon source in a dispersed solvent in a ratio and uniformly mixing; drying slurry to obtain powder; and sintering the powder in a tube furnace to obtain a hexagonal or monocline composite material of lithium manganese borate and the carbon. A lithium ion battery pole piece which is made of the obtained composite material is used for assembling a battery and the obtained battery material has relatively higher discharge capacity and good cycle stability. In the invention, a solid phase method is adopted, the method is easy to operate, the energy consumption is low, the composite material can be manufactured in bulk and industrialization can be easily realized.

The invention discloses a process for preparing high grade polymeric aluminium chloride through electrolysis of shape stable anode, wherein aluminium chloride is used as electrolyte, shape stable anode is used as the anode, titanium as cathode, appling DC electricity for a predetermined period of time, and circulating the electrolyte.

The invention discloses a method of generating 1,2,4-butantriol by the in vitro enzyme reaction and application thereof, and belongs to the technical field of bioengineering. The method provided by the invention comprises the following steps: respectively constructing genetically-engineered bacteria of over-expressed D-xylonic acid anhydrase genes, 2-keto acid decarboxylase genes and alcohol dehydrogenase genes; after carrying out fermentation cultivation on the obtained genetically-engineered bacteria, crushing thalli by ultraviolet waves; collecting crude enzyme fluid; and after carrying out mixed adjustment on concentration of D-xylonic acid anhydrase, 2-keto acid decarboxylase and alcohol dehydrogenase, adding a reaction substrate to synthesize 1,2,4-butantriol. The method provided by the invention realizes synthesis of 1,2,4-butantriol in vitro by controlling the enzyme reaction and using D-xylonic acid as the raw material and has the characteristic of good convenience for enlarging production; and the enlarged yield can reach 5.98g / L.

A nutritive composite vitamine-trace element-white sugar necessary for normal energy metabolism for preventing and treating obesity, fatty liver, alcoholic liver, diabetes and hyperlipemia is prepared from VB1, VB2, VC, Se, Zn and white sugar. It can be used as food or food additive.

The invention discloses a preparation method of alpha-phase silicon nitride powder. The preparation method comprises the following steps: (1) reacting silicon tetrachloride with liquid ammonia in a two-liquid-phase interface of an organic solvent and the liquid ammonia to obtain a precursor which is silylimine, wherein the organic solvent is methylbenzene or a mixture of the methylbenzene and dimethylbenzene; (2) carrying out thermal decomposition on the silylimine to obtain non-shaped silicon nitride powder; and (3) carrying out crystallization treatment on the non-shaped silicon nitride powder in step (2) to obtain the alpha-phase silicon nitride powder. In the method, silicon tetrachloride reacts with the liquid ammonia on the two-liquid-phase interface of the organic solvent and the liquid ammonia, the silicon tetrachloride is diluted at low temperature, the reaction rate can be reduced by control over feeding speed, synthesis of the precursor can be controlled effectively, the circumstance that aggregates are formed by the precursor is avoided, the reaction area is expanded by interfacial reaction, and the speed of NH4Cl dissolved in the liquid ammonia is increased. The prepared alpha-Si3N4 powder is controllable in crystal form and morphology, grain sizes are distributed uniformly, a technological process is simple, and production requirements can be met.

The invention relates to silicate and provides a preparation method for hollow silicate, in particular to a simple and effective method for preparing hollow silicate under solvothermal conditions. The method comprises the following steps: synthesizing silicon dioxide nanospheres: mixing tetraethoxysilane, water, ammonia water and ethanol by volume ratio of 1: (0.25-2): (0.25-4): (4.25-68) of tetraethoxysilane to water to ammonia water to ethanol, and washing the obtained products after reaction to obtain the silicon dioxide nanospheres; and adding the silicon dioxide nanospheres, urea, dihydrate-2-hydroxy-5-sulfo-benzoicacid and nitrate hexahydrate in water and ethanol, and cooling the obtained solid product to room temperature after reaction, and washing the obtained solid product to obtain the target product, i.e. the hollow silicate.

The invention relates to a preparation method of an iridium tin metal oxide. The chemical formula of the iridium tin metal oxide is IrSn<1-x>O2, wherein the x is less than 1 and not less than 0. The iridium tin metal oxide is prepared under the assist of a triblock surfactant. The surfactant has functions of structure guidance, weak reduction property, stabilization, and the like, and can effectively control the synthesis of the IrSn<1-x>O2. The method is a simple preparation method of the metal oxide with controllable morphology. The method is also used for preparation of binary metal oxides, thus expanding the application scope of the method. The IrSn<1-x>O2 prepared by the method when being used as a water electrolytic tank anode catalyst for solid polymer electrolyte (SPE) has good oxygen evolution electrocatalytic activity and stability. The method has application value wide in regenerative fuel cells (RFC), photoelectrocatalysis and electrolytic hydrogen generators.

The invention discloses a male silkworm moth capsule taking male silkworm moths as a main raw material and a preparation method thereof. The raw materials used by the male silkworm moth capsule are mainly frozen-dried male silkworm moths, epimedium extract and calcium hydrophosphate, and the weight ratio of various compositions according to the prior order is 1,500-2,000 to 250-750 to 1,500-2,000. The male silkworm moth capsule is characterized by simple formula, easiness in production and processing, no toxic side effect, convenience in carrying and eating, capability of realizing nourishment at a fixed quantity, can have the efficacies of nourishing the kidney and strengthening the essence, reducing the weight and strengthening the body, resisting to fatigue and improving the immune function after taken for a long time, and makes the middle-aged and the aged energetic and youthful.

The invention which provides a process for control synthesis of nanometer mercuric sulfide particles based on a sheep-anti-human antibody as a soft template belongs to technical fields of mercuric sulfide synthesis and nanometer materials. The process has many advantages that: firstly, conditions of reaction generation are mild; secondly, the nanometer particles synthesized through a template control method have the characteristics of uniform particle size and good dispersiveness, and insufficients of traditional methods are overcome; in addition, a material synthesized through treating biomolecules as the template has a good biological compatibility, and protein molecules directly coated on surfaces of the material can interact with other biomolecules, so the material can be used in biological tagging, biological imaging analysis and the like, and has an absolute advantage in the biomineralization aspect; finally, the process has a versatility, and other compounds of zinc sulfide, silver sulfide, cadmium sulfide, lead sulfide, copper sulfide and the like can be obtained through control synthesis with the protein molecules as the template. The process of the present invention is avery effective process for control synthesis of nanometer particles.

The invention belongs to the technical field of pure traditional Chinese medicines, and discloses a traditional Chinese medicine for treating diabetic peripheral neuropathy. The traditional Chinese medicine for treating diabetic peripheral neuropathy is composed of 58-62 g of astragalus membranaceus, 28-32 g of Chinese yam, 18-22 g of poria cocos, 28-32 g of prepared polygonum multiflorum, 18-22 g of sealwort, 18-22 g of the root of kudzu vine, 8-12 g of peach kernel, 18-22 g of radix angelicae sinensis, 13-17 g of winged euonymus twig, 1-5 g of roasted leach, 8-12 g of bombyx mori, 14-18 g of peach glue, 13-17 g of corn stigma and 10-14 g of eupatorium. One month is one treatment course; one agent is taken every day; the traditional Chinese medicine is decocted by adding water, so that 350-450 ml of decoction is obtained; the decoction is taken twice in the morning and evening time; all the drugs are combined; both qi and yin are replenished; stasis is removed; collaterals are dredged; blood glucose is effectively controlled; meanwhile, symptoms, such as limb numbness, stabbing pain and mustiness, are also improved; the disadvantage of ignoring treatment of complications caused by independent application of western medicines is overcome; the holism concept of treating both symptoms and root causes of syndrome differentiation and treatment in Chinese medicine is embodied; and the clinical effects of the traditional Chinese medicine for treating diabetic peripheral neuropathy are as follows: the total effective ratio of a treatment group is 87.5%; and the total effective ratio of a control group is 62.5%.

The invention discloses fuco-oligosaccharide with anti-hyperuricemia activity and a preparation method and application thereof. The preparation method prepares the fuco-oligosaccharide with anti-hyperuricemia activity by using fucoidanase to degrade fucoidin. The fuco-oligosaccharide prepared by the method can be applied to prepare hyperuricemia-inhibiting and anti-gout products. The provided preparation method of the fuco-oligosaccharide adopts biological enzymic degradation; the preparation method is mild in degradation and controllable in process; harmful by-products such as chemicals cannot be generated during degradation; and the obtained fuco-oligosaccharide is safe and environment-friendly. The fuco-oligosaccharide has anti-hyperuricemia activity, can effectively control the synthesis of uric acid and can also effectively reduce the content of creatinine and urea nitrogen in bodies, and therefore renal functions can be effectively protected.

The invention belongs to the technical field of zeolite molecular sieve synthesis, and particularly relates to a method for synthesizing a molecular sieve under super-gravity within a super-short time. The method is mainly characterized in that cheap raw materials are aged into a gel in a super-gravity reactor, and stirring and hydrothermal crystallization are carried out in a crystallization process, and after the crystallization is finished, filtering, washing and drying are performed to obtain a uniformly distributed nano zeolite product. The method is low in synthesis cost, super-short inaging crystallization time, high in purity of the obtained zeolite, simple in operation process, high in single-kettle yield and capable of reducing mother liquor discharge. According to the invention, the sample XRD shows that the obtained product is good in crystallinity, the SEM shows that the nano zeolite is uniformly distributed, and the method can be used for industrial synthesis of molecular sieves.

The invention discloses a method for preparing a lithium ion battery cathode material in-situ carbon coated lithium manganese borate composite material. The method comprises the following steps of: grinding a lithium source, a manganese source, a boron source and a carbon source in a dispersed solvent in a ratio and uniformly mixing; drying slurry to obtain powder; and sintering the powder in a tube furnace to obtain a hexagonal or monocline composite material of lithium manganese borate and the carbon. A lithium ion battery pole piece which is made of the obtained composite material is used for assembling a battery and the obtained battery material has relatively higher discharge capacity and good cycle stability. In the invention, a solid phase method is adopted, the method is easy to operate, the energy consumption is low, the composite material can be manufactured in bulk and industrialization can be easily realized.

The invention discloses a method for synthesizing phloroglucinol by virtue of in vitro enzyme reaction and an application of the method, and belongs to the technical field of biological engineering. The method comprises the following steps: respectively constructing recombinant vectors containing an acetyl coenzyme A synthetase ACS gene, an acetyl coenzyme A carboxylase subunit gene accA, an acetyl coenzyme A carboxylase subunit gene accB, an acetyl coenzyme A carboxylase subunit gene accC, an acetyl coenzyme A carboxylase subunit gene accD and a polyketone synthetase gene phlD; respectively converting the recombinant vectors into host bacteria, and then performing over-expression; crushing the bacteria by using ultrasonic waves; performing separation and purification to obtain an enzyme solution; and mixing the enzyme solution with reaction substrates in proportion and then performing in vitro enzyme reaction to synthesize phloroglucinol. By using the method disclosed by the invention, the phloroglucinol is synthesized by virtue of in vitro enzyme reaction, and the used amounts of each enzyme and accessory factors can be accurately adjusted and controlled.

The invention discloses a heating furnace system energy saving method for an alkylbenzene integrated unit. One tenth to one eighth hot oil is controlled to be heated to 315-330 DEG C at a convection section of a dehydrogenation heating furnace, seven eighths to nine tenths hot oil is heated to 315-330 DEG C through a hot oil heating furnace, and the two parts of hot oil is mixed and then conveyed to all heat consumption points; the temperature of the mixture of smoke generated by the dehydrogenation heating furnace and the smoke generated by the hot oil heating furnace is 300-320 DEG C, heat exchange is carried out on the smoke and air, and the air is heated to 240-255 DEG C and conveyed to the dehydrogenation heating furnace and the hot oil heating furnace to be mixed with fuel to carry out combustion heat supply. According to the heating furnace system energy saving method for the alkylbenzene integrated unit, the temperature of the air is lower than 270 DEG C after heat exchange is carried out on the air and the smoke, the synthesis of nitric oxide is effectively controlled, meanwhile, the waste heat of the smoke is effectively recycled, and the purpose of saving energy is achieved. The furnace efficiency of the heating furnaces can reach 93%, and the purposes of saving energy and protecting the environment are achieved.

The invention discloses a method for producing isoprene by in vitro enzymatic reaction and an application of isoprene and belongs to the technical field of biological engineering. The method disclosed by the invention comprises the following steps of respectively introducing an obtained mevalonate kinase gene, a phosphomevalonate kinase gene, a mevalonate-pyrophosphate decarboxylase gene, an isopentenyl pyrophosphate isomerase gene and an isoprene synthase into host bacteria, carrying out fermental cultivation to obtain five recombinant bacteria, respectively carrying out ultrasonic disruption on each thallus to obtain a crude enzyme solution, mixing five crude enzyme solutions to obtain a reaction enzyme solution and adding a reaction substrate solution into the reaction enzyme solution to in vitro synthesize isoprene. By the method disclosed by the invention, the in-vitro synthesis of isoprene from mevalonic acid by virtue of enzymatic reaction is achieved and the synthesis of isoprene by precisely in vitro controlling the content of metabolic enzyme is realized.

A nutritive composite vitamine-trace element-white sugar necessary for normal energy metabolism for preventing and treating VB1, VB2, VC, Se, Zn and white sugar. It can be used as food or food additive.

The invention relates to externally-used traditional Chinese medicine ointment for treating psoriasis and a preparation method of the externally-used traditional Chinese medicine ointment which is prepared from various traditional chinese medicinal materials, can quickly treat various types of psoriasis and is non-irritating. The externally-used traditional Chinese medicine ointment is prepared from raw materials in parts by weight as follows: 15-45 parts of walnut peels, 500-800 parts of walnut kernels, 35-70 parts of dandelions, 25-50 parts of humifuse euphorbia herbs, 12-25 parts of egg yolks, 800-1,000 parts of mutton tallow, 35-50 parts of llex cornuta Lindl., 15-35 parts of willow leaves, 12-25 parts of acanthopanax senticosus, 20-40 parts of common cnidium fruits, 15-30 parts of realgar, 15-35 parts of frankincense, 200-300 parts of albolene, 35-50 parts of wrinkled gianthyssop herbs and 20-35 parts of apricot leaves. The externally-used traditional Chinese medicine ointment has the functions of inhibiting activity of toxin cells, controlling synthesis and breeding of pathological cells and promoting recovery of metabolism of epidermic cells, can eliminate inflammation, relive pain, activate blood, remove stasis, remove meridian stasis, promote resuscitation and permeate into bones, can be used for treating various types of psoriasis, and has the advantages that the ointment is convenient to use and takes effect quickly, the treatment course is short, and the curative effect is remarkable.

The invention relates to the field of medicine, in particular to a medical dressing for pigmented dermatosis and a preparation method of the medical dressing. The medical dressing includes gamma-polyglutamic acid, hyaluronic acid, arbutin, glutathione and L-VC phosphate. The properties and efficacy of polyglutamic acid are utilized, and hyaluronic acid, arbutin, glutathione and L-VC phosphate areloaded at the same time, so that wound repair is promoted, production of melanin is reduced through inhibition of the activity of tyrosinase, control on synthesis and secretion of melanin, resistanceto stimulation of external undesirable factors and other means, and better therapeutic effects are achieved.

The invention discloses a preparation method of cerium-doped barium tantalite used for gamma ray shielding. The preparation method of the cerium-doped barium tantalite comprises the following steps of: adopting a hydrothermal method; dissolving Ba(OH)2 with a certain mol concentration into an aqueous solution, uniformly mixing, then carrying out magnetic stirring for 20-60 minutes, then pouring Ta2O5 powder into the mixed solution, continuously stirring, then adding a cerium source, continuously stirring for 60 minutes, then transferring the solution into a reaction kettle, carrying out hydrothermal reaction for 2-48 hours at the temperature of 200-300 DEG C, repeatedly washing a product with deionized water and absolute ethanol, and naturally drying at room temperature. The prepared Ce-doped Ba5Ta4O15 has a multilevel structure composed of secondary lamellar crystals, thickness of the lamellar crystals is 10-20nm, morphology is regular, the repeatability is high, the cost is low, preparation is simple, and the Ce-doped Ba5Ta4O15 can be applicable to large-scale production; and the Ce-doped Ba5Ta4O15 has a good gamma ray protection effect and also has a relatively high application value in the fields of photocatalysis, solid state luminescence and the like.

The invention discloses a preparation method of alpha-phase silicon nitride powder. The preparation method comprises the following steps: (1) reacting silicon tetrachloride with liquid ammonia in a two-liquid-phase interface of an organic solvent and the liquid ammonia to obtain a precursor which is silylimine, wherein the organic solvent is methylbenzene or a mixture of the methylbenzene and dimethylbenzene; (2) carrying out thermal decomposition on the silylimine to obtain non-shaped silicon nitride powder; and (3) carrying out crystallization treatment on the non-shaped silicon nitride powder in step (2) to obtain the alpha-phase silicon nitride powder. In the method, silicon tetrachloride reacts with the liquid ammonia on the two-liquid-phase interface of the organic solvent and the liquid ammonia, the silicon tetrachloride is diluted at low temperature, the reaction rate can be reduced by control over feeding speed, synthesis of the precursor can be controlled effectively, the circumstance that aggregates are formed by the precursor is avoided, the reaction area is expanded by interfacial reaction, and the speed of NH4Cl dissolved in the liquid ammonia is increased. The prepared alpha-Si3N4 powder is controllable in crystal form and morphology, grain sizes are distributed uniformly, a technological process is simple, and production requirements can be met.

The invention belongs to the technical field of body meridian line health care, and especially relates to a negative ion fullerene multi-effect compound supplement for promoting a young state and a preparation method thereof. The supplement includes a cell mitochondrial function regulating agent, an anti-free radical factor, personalized compound essential oil, a negative ion energy liquid, a nutritional supplement material, and plant medium oil. The supplement comprises the cell mitochondrial function regulating agent, which can specifically act on a mitochondrion in cell to control synthesisof NAD+, in order to promote smoothness of a whole respiratory chain, dredging of meridians of a whole body is achieved, the supplement has multiple health care efficacy of being good in promotion ofthe young state, resistant to pox, and resistant to free radical accumulation, delaying aging, enhancing self-healing power and body immunity, and the like, and the supplement can be applied to humans, can also be applied to animals such as giant pandas, valuable pet dogs, military special training dogs, precious cats, tigers, camels, alpacas, and livestock and poultry for breed conservation in gene banks, also has anti-aging and health-preserving effects, and has a wide range of applications.

A composite vitamine-trace element product as food or food additive necessary to normal energy metabolism for preventing and treating obesity, fatty liver, diabetes and hyperglycemia and losing weight is prepared from VB1, VB2, VC, Se and Zn.

The invention discloses a pear cellulose synthase gene PbrCSLD5 and an application thereof. The gene has a nucleotide sequence as shown in SEQ ID No.1. The PbrCSLD5 gene is over-expressed in arabidopsis thaliana through an agrobacterium-mediated genetic transformation method to obtain a transgenic plant, and biological function verification shows that the cloned PbrCSLD5 gene has the effect of regulating and controlling the synthesis of pear pollen tube cell wall cellulose.

The invention discloses a vertical secondary combustion chamber device. The vertical secondary combustion chamber device comprises a flue gas inlet, a flue gas outlet, a baffling double-cavity chamber, baffling cantilever platforms, a gas distribution device, a combustion-supporting device, an ash removal door and a drain outlet; the flue gas inlet is formed in the front end of the baffling double-cavity chamber; the flue gas outlet is formed in the tail end of the baffling double-cavity chamber; the baffling cantilever platforms are sequentially and uniformly arranged on the two sides of the baffling double-cavity chamber; the gas distribution device and the combustion-supporting device are arranged on the left side and the right side of the baffling double-cavity chamber correspondingly; the ash removal door is arranged at the bottom of the baffling double-cavity chamber; and the drain outlet is formed in the bottom end of the baffling double-cavity chamber. Flue gas generated by waste incineration passes through the flue gas inlet and sequentially passes through the baffling double-cavity chamber and the baffling cantilever platform, and in the whole process, the turbulence degree, the oxygen content and the combustion temperature of the flue gas are controlled through the gas distribution device and the combustion-supporting device. Synthesis of dioxin is effectively controlled, particulate matters and smoke dust intercepted in the whole process are cleaned through the ash removal door, and generated sewage is collected and treated through the drain outlet.

The invention relates to the technical field of inorganic nano materials, and provides a method for controlling the size of a Birnessite type manganese dioxide nanoflower, which is characterized in that in an acidic medium, KMnO4 is taken as a raw material, a sodium oleate solution is taken as a size regulator, and the Birnessite type manganese dioxide nanoflower is synthesized through reaction. According to the technical scheme, the problems of narrow size range and uncontrollable size of the manganese dioxide nanoflower synthesized by a single method in the prior art are solved.