149 results about "Chemical factor" patented technology

The invention discloses a mimic ecological propagation method for breeding parent fish of American hilsa herring, comprising the following steps: establishing a mimic ecological breeding system suitable for natural growth and maturity of the sexual gland of hilsa herring by adopting a circulation water breeding technique and an automation control technique of water environmental factor; regulatingthe mimic natural seasonal rhythmicity for the major physical factors, water chemical factors, and the like of the breeding environment, including factors such as salinity, water temperature, water flow and period of lighting daily variation while fortification; injecting hormone to the parent fish before the spawning season to promote maturity of the sexual gland, and causing the hilsa herring to spawn naturally through enhance water flow stimulation; arranging a spawn collecting box at a circulation water outlet to collect the germ cells and then placing the germ cells in a semi-floating germ cell separation incubator for incubation. The invention can remarkably improve the spawning efficiency of the parent fish of hilsa herring and the incubation rate of the germ cell, and provide thetechnical support for the industrialization of artificial propagation technique for breeding hilsa herring.

The invention discloses a heat resisting protective agent of a bivalent live vaccine against highly pathogenic porcine reproductive and respiratory syndrome-pseudorabies, and a preparation method thereof. The heat resisting protective agent of the bivalent live vaccine against highly pathogenic porcine reproductive and respiratory syndrome-pseudorabies is prepared by the following materials by weight: 0.8 to 1.2% of gelatin, 4 to 6% of soybean peptone, 0.5 to 1.5% of glycine, 3 to 5% of sucrose, 2 to 3% of trehalose, 1 to 2% of polyvinyl pyrrolidone, 0.5 to 1% of mannitol, 0.1 to 0.2% of vitamin E and the rest being injection water. The preparation method comprises steps of high-temperature sterilization, filtration sterilization through a microporous membrane and mixing. The heat resisting protective agent of the bivalent live vaccine against highly pathogenic porcine reproductive and respiratory syndrome-pseudorabies of the invention reduces damage on virus activity caused by various physical and chemical factors during the freeze drying process, provides good protection and effectively solves the problems that a conventional protective agent of live vaccine needs refrigerated transport and storage is inconvenient.

The invention discloses a judgment method of the service life of catalysts of an SCR (Selective Catalytic Reduction) denitration system. The judgment method comprises the steps of step 1, calculating out the service life of the different positions and different types of SCRs of catalysts through a preset simulation computation formula based on different types of SCRs of various parameters provided by an expert database in the integral operation cycle and various thermodynamic parameters and chemical factors provided by a thermodynamics and chemistry calculation library and related to a flue and step 2, performing fitting operation through the denitration efficiency, the sulfur dioxide and sulfur dioxide conversion rate, the escape rate of the ammonia gas and the performance index parameters of the pressure drop and the calculated service life of the different positions and different types of SCRs of catalysts so as to verify the accuracy of a calculation result of the service life of the different positions and different types of SCRs of catalysts, wherein the denitration efficiency, the sulfur dioxide and sulfur dioxide conversion rate, the escape rate of the ammonia gas and the performance index parameters of the pressure drop are contained in laboratory simulation test data which are provided by the expert database and the catalyst activity of the different positions and different types of SCRs of catalysts is reflected by the denitration efficiency, the sulfur dioxide and sulfur dioxide conversion rate, the escape rate of the ammonia gas and the performance index parameters of the pressure drop.

The invention relates to a method for preparing a non-toxic environmental-friendly epoxy plasticizer, which is characterized by preparing the non-toxic environmental-friendly epoxy plasticizer by adopting fatty acid methyl ester as a raw material, hydrogen peroxide as oxidant and organic acid as an oxygen carrier. A non-toxic environmental-friendly epoxy plasticizer rough product is prepared by adopting a closed-end cooling circulation device through a one-step method without using any solvent, stabilizer and acid catalyst; and by water-washing, distilling, distributing and neutralizing with soda ash or calcium carbonate solution (pH is adjusted to 6.5-7.0), a chemical factor which probably pollutes the product is eliminated, a sewage treatment load is greatly reduced, and simultaneously, the production cost is also reduced. The preparation method of the invention has no poison, environmental protection, safety, water saving, stability, short production cycle and low energy consumption.

The invention provides a gestation diabetes risk monitoring system based on dynamic physics and physical and chemical factors and belongs to the field of medical instruments in the department of obstetrics and gynecology. The gestation diabetes risk monitoring system is characterized by comprising a computer, a toggle switch array, a resistor array and a gestation diabetes pathogenesis risk LED alarming module; a pregnant women information input module of dynamic physics check and physical and chemical factors, a logic switch array module of pregnant women gestation diabetes pathogenesis risk factors and logic regression value computation module of pregnant women gestation diabetes pathogenesis risk are arranged in the computer; a voltage comparison module and an LED array are arranged in the gestation diabetes pathogenesis risk LED alarming module. According to the invention, the logic switch value is utilized to control the make-and-break state of the toggle switch; a risk factor value in the logic regression manner is utilized to control the resistance value of the resistor array, so as to indicate the relative risk degree; the resistance value of the resistor array is utilized to control a voltage comparator, so as to output electrical level and light the LED alarm. According to the invention, the risk degree of the dynamic gestation diabetes can be comprehensively evaluated from multivariate physical and chemical factors and the real-time alarm can be conducted.

The invention relates to a composition material formed by natural cellulose and synthetic resin or polylactic acid, and belongs to the technical field of synthetic materials. The composition material formed by the natural cellulose and the synthetic resin or polylactic acid comprises 10 to 90 weight percent of natural cellulose powder, 90 to 10 weight percent of resin and 0 to 5 weight percent of coupling agent, wherein the natural cellulose powder is straw, bagasse, sawdust or low value wood; the resin is any one of synthetic resin or polylactic acid; and the coupling agent is any one of silanes and titanate esters. The composition material has the advantages of low cost, high mechanical strength, low residue of harmful substances such as formaldehyde and melamine, and quickly natural degradation of cellulose in the composition under the action of microorganisms or physical and chemical factors.

The invention relates to a method for detecting the potential genetic toxicity of an organic pollutant in seawater, in particular to a method for detecting the organic pollutant in the seawater by utilizing a marine phytoplankton karenia mikimotoi and single cell gel electrophoresis technology. Marine phytoplankton karenia mikimotoi is used as a biomaterial for detecting the genetic toxicity of the organic pollutant in the seawater, and the karenia mikimotoi has no cell wall, is provided with a large and obvious cell nucleus, is quite sensitive for the change of physical and chemical factors in a water body and is a good biomaterial for researching and evaluating the potential genetic toxicity of the organic pollutant in the seawater on a population level. The method not only can be used for extracting the organic pollutant in the seawater to detect the genetic toxicity thereof, but also can be directly used for detecting the overall genetic toxicity of the seawater in seriously-polluted sea areas, such as a pollutant discharging opening, a culture area and the like. When the overall genetic toxicity of the seawater is detected, the seawater only needs to be filtered to remove silt and impurities for subsequent detection.

Presented is methods to make high quality anode zinc pellets without adding lead by continuous or non-continuous casting and rolling method in high productivity. Disclosed is full details of material and process engineering as regards alloy compound, process machinery or equipment, and test and evaluation method addressing metallographic aspect in addition to chemical factors.

The invention discloses a method for prediction of a blast furnace heat tendency. The method includes: establishing an RBF neural network computation model, a blast furnace charge speed computation model, and a theoretical combustion temperature computation model of the Si content in blast furnace molten iron respectively, then utilizing the judgments, i.e. Index1, Index2, Index3, of the 3 models on a blast furnace heat tendency result to comprehensively judge whether the blast furnace has a heat tendency, and if the sum of delta1.Index1+delta2.Index2+delta3.Index3 is greater than or equal to 1, with delta1 belonging to [0, 1], delta2 belonging to [0, 1], and delta3 belonging to [0, 1], thus determining that the blast furnace has a heat development tendency. The method provided in the invention makes comprehensive consideration of the physical factors and chemical factors of the blast furnace on judgment of the blast furnace heat development tendency. Compared with the prior art, the method can more accurately predict the imminent heat development tendency of the blast furnace in advance, and can adopt measures to control the blast furnace temperature within a reasonable temperature range on the basis, thus avoiding deviation or misjudgment of different operators on blast furnace operation conditions, and being very beneficial to efficient blast furnace operation.

The invention discloses a high-yield and high-quality planting method of Paris polyphylla, which includes steps of land selection and preparation, seed selection and treatment, sowing, transplanting, field management, harvesting and others. The method uses harmless fertilizer during the Paris polyphylla planting process, so as to avoid pollutions of the Paris polyphylla products, local soil, water source and air by chemical factors; plant ash is sprayed to prevent and treat stem rot; and plant ash lixivium is sprayed to prevent and treat aphid and red spider, thereby reaching the ecological and green production; the Paris polyphylla product has the advantages of being high in drug effect, good in quality, green and environmental-friendly, low in planting method, high in benefit, simple in operation, easy to popularize, high in earnings, and low in risk; the method provides a new optimal scheme for the artificial scaled planting of the Paris polyphylla; therefore, the method is good in both economic benefit and social benefit.

The invention discloses a fur-animal-use composite premix, and belongs to the field of feedstuffs. The premix provided by the invention is prepared from the components of: vitamin C phosphate, methionine calcium, composite B vitamins, probiotics, and zeolite powder. The premix provided by the invention assists in enhancing supplies of nutrients such as trace elements, vitamins, and amino acids. With the premix, body immunity and stress resistance can be greatly improved, intestinal injury can be repaired, digestive discomfort can be relieved, digestive system function can be bidirectionally regulated, diarrhea and constipation can be controlled, and feedstuff efficiency can be improved. With the premix, vitamin C insufficiency caused by low addition or damages due to various physical and chemical factors can be supplemented, mother animal and young animal vitamin C deficiency can be prevented, and young animal red claw disease can be prevented and treated.

The invention discloses a multifunctional atomization agent for controlling pests in a sealed container. The multifunctional atomization agent comprises the following components in percentage by mass: 0.01 to 10 percent of disinfection composition, 0.1 to 15 percent of pesticidal composition, 0.1 to 15 percent of novel deratization composition, 1 to 40 percent of surfactant, 0 to 40 percent of atomization agent, 1 to 10 percent of cosolvent and the balance of water. The invention has the characteristics that: the multifunctional atomization agent for controlling the pests in the sealed container is harmless to human and livestock, cannot produce harmful substances or corrode substances and fabrics, cannot pollute the environment or irritate the skin mucous membrane, does not have pungent smell or color, is safe and environment-friendly, is not influenced by the environment, organics, acid, alkali and other physical and chemical factors, and has high durability, low cost and the like.

The invention discloses long-acting makeup pressed powder and a preparation method thereof. Through Xuefulong amphiphobic treatment technology on toner, the long-acting makeup pressed powder realizesa lasting makeup effect and is resistant to water, sweat and oil, and integrates a plurality of functions such as stretching, convoluting, moisturizing, covering of spots or marks on the skin, isolation and sun protection, aging resisting and regeneration promotion; by changing 5 different amounts of addition, the lasting time is different, and the makeup effect lasts for 8-12 hours; meanwhile, ahydrolytic elastic protein active component is added, which has an effect of resisting aging and promoting regeneration in a skin physiologic aging process caused by physical and chemical factors including light, and also realizes a perfect effect in maintaining the young state, delicacy and elasticity of skin and in lightening wrinkles; a wheat malt extract active matter is added, which has a natural anti-oxidation effect and can resist free radicals, delay skin aging, lighten fine lines and scars and enhance the skin moisture, and is very helpful to the skin with dryness, water lack, aging and wrinkles; the preparation method can be used for realizing large-scale production.

The invention relates to a method for restoring a eutrophic tidal flat sediment habitat. The method comprises the following steps of: preparing bacteria solution; preparing stationary liquid; uniformly mixing and gelling the bacteria solution and the stationary liquid; preparing CaC12 solution; fixedly granulating the gelled bacteria solution; collecting and preserving; carrying out combined operation of plowing and environmental restoration bacteria immobilized particles; arranging shellfishes and clam worms; and regularly monitoring. The method disclosed by the invention is capable of effectively protecting bacterial strains and has the buffer function in an environment that physical and chemical factors are more severe; an effective vector can be provided for the bacterial strains, so that the bacterial strains have the bacteria restoration function effectively for a long time; by means of bioturbation of the shellfishes and the clam worms, the nitration and denitrification effects of sediments can also be effectively increased; and in addition, by means of combined use of the above methods, the method has good environment-friendly value and market application prospect to environmental restoration.

The invention concretely relates to reinjection technique of geothermal well of geothermal resource exploitation and utilization engineering can be used in geothermy tertiary sandstone reinjection collar system mainly use two-staged coarse filter group4 reinjection system linked in series of coarse filter group and secondary filter group with parallel connection, pressurizing reinjection pump and enforced exhaust tank geothermic fluid flows into the first stage of coarse filter group with filtration accuracy of 50 to 80mum, then the second stage of secondary filter group with filtration accuracy of 3to5mum, the filter element material is the third generation polyethylene sintered filter element or filtration bag, after two filtration stages water quality can be guaranteed basically. The invention can prevent air resistance caused by physical, microbe, chemical factors, increase microbe higher than 30%. The system is installed and adjusted conveniently, maintained simple, its monitoring method complete, although it is aimed at sandstone formation, it can also be adopted for other layer like and can exploit and utilize tertiary geothermal resource reasonably.

The invention provides a decorative film and a preparation method thereof. The decorative film comprises a self-repairing layer, a substrate layer, a decorative layer, a first bonding layer and a PVC (Polyvinyl Chloride) base plate, wherein a raw material for forming the self-repairing layer comprises a self-repairing polymer material; the substrate layer is arranged on the surface of one side of the self-repairing layer; the decorative layer is arranged on the surface of one side, far away from the self-repairing layer, of the substrate layer; the first bonding layer is arranged at one side, far away from the substrate layer, of the decorative layer; the PVC base plate is arranged at one side, far away from the decorative layer, of the first bonding layer. The self-repairing polymer material in the raw material for forming the self-repairing layer can sense the changes of external environment factors and do proper response to recover properties of the material, so that the decorative film has a self-repairing function and damages, caused by heating, mechanical and chemical factors and the like, to the decorative layer are reduced; the PVC base plate is arranged at the outer side of the decorative layer, so that decorative patterns can be set in the decorative film, and furthermore, the damages, caused by the heating, mechanical and chemical factors and the like, to the decorative layer are further reduced.