50results about How to "App performance is stable" patented technology

The invention relates to a hydrophobic modified associative thickener. The hydrophobic modified associative thickener is prepared from 28.0-32.0wt% of raw material and 68.0-72.0wt% of deionized water, wherein the raw material comprises following components in percentage by weight: 10.0-75.5 percent of hydrophilic monomer, 15.0-85.0 percent of hydrophobic monomer, 0-3.0 percent of crosslinking monomer, 0-25.0 percent of hydrophobic modified monomer with the surface activity, 1.0-14.0 percent of emulsifier and 0.1-1.0 percent of initiator. The invention also relates to a preparation method of the hydrophobic modified associative thickener. According to the preparation method, the hydrophobic modified associative thickener is synthesized by using a seeded emulsion polymerization method and the prepared hydrophobic modified associative thickener can satisfy the standard of the daily chemical industry and has the advantages of stable application performance and long shelf life.

The invention discloses a design method for property parameters of anti-collapse drilling fluid for fractured formations. According to sequence, the design method includes the following steps: core samples are prepared; four of the core samples are chosen for a triaxial compression test and an acoustic emission test, and the crustal stress of a formation owning the core samples is determined; two of the core samples are chosen for the triaxial compression test, and the cohesion and internal friction angle of the weak planes of the rocks are tested; eight of the core samples are chosen to be put into the drilling fluid, the triaxial compression test is carried out after the core samples are soaked for different times, and the cohesion and internal friction angle of the weak planes of the rocks are tested; the cohesion and internal friction angle of the weak planes of the rocks are respectively linearly fitted to soaking times; the fluid-solid coupling theory is utilized to create a fractured formation well surrounding rock stress distribution model; the elastic mechanics coordinate transformation theory is utilized to create a fractured formation weak plane destruction model; a relation chart between the property parameters of the drilling fluid is determined. The design method disclosed by the invention can quantitatively optimize the key property parameters of the drilling fluid according the requirement of a site for well wall stability.

The invention relates to a freezing-resistant acrylate suspended thickening emulsion which is prepared from 28.0-32.0 wt% of raw material and 68.0-72.0 wt% of deionized water. The raw material is composed of the following components in percentage by weight: 10.0-75.5% of hydrophilic monomer, 15.0-85.0% of hydrophobic monomer, 0-3.0% of crosslinking monomer, 0.5-25.0% of hydrophobicity-modified surface-active monomer, 1.0-14.0% of emulsifier, 0.1-1.0% of initiator and 0.1-2.5% of alkaline matter. The invention also relates to a preparation method of the freezing-resistant acrylate suspended thickening emulsion. The freezing-resistant acrylate suspended thickening emulsion can satisfy the standard in daily chemical industry, and has the advantages of stable application performance, long shelf life and favorable freezing resistance.

The invention discloses a bloom continuous casting soft-reduction process used in steel production, and in particular relates to a method for controlling a bloom continuous casting dynamic soft-reduction pressure interval. The pressure interval is determined according to the central solid-phase rate of each casting blank section in the direction of blank drawing; the central solid-phase rate of each casting blank section relative to the upper limit of the pressure interval is less than or equal to the fs, namely Maxopt which is the maximum value of iopt, of each solute element, wherein the fs and iopt are the central solid-phase rates of a casting blank section relative to the minimum Ki of the solute elements; the Ki is the average solute aliquation index of the solute element i in two phase regions when each casting blank section is slightly pressed; furthermore, the central solid-phase rate of each casting blank section relative to the lower limit of the pressure interval is more than or equal to the fs, namely Minopt which is the minimum value of iopt, of each solute element. The pressure interval determined by the method can effectively improve central aliquation and also reduce cavity, looseness and crack; and the pressure interval has stable use effect and is suitable for bloom continuous casting production.

The invention belongs to microbial strains and microbial agent, in particular to a bacillus amyloliquefacien and a preparation method of a polluted water reparation agent by using the same. The method comprises the following steps: carrying out the amplification cultivation on the bacillus amyloliquefacien CGMCC No.3992 after activation, then inoculating the bacillus amyloliquefacien to a medium containing a carbon source, and adding a necessary nitrogen source and necessary nutritive materials; fermenting by using the method of combining the liquid deep aeration and agitation with solid carrier adsorption, or the method of solid fermentation; and drying the material after the fermentation to obtain the polluted water reparation agent. According to the invention, the purification problem of polluted water and substrate sludge in the prior art is solved; the invention has following the advantages: the effective viable count and sporulation rate in the polluted water reparation agent are high, the crossbred pollution is less, the process is simple, the cost is low, the effect is stable and durable and the like. The bacillus amyloliquefacien provided by the invention has significant digestion effect on the organics, ammonia nitrogen and nitrate nitrogen in the substrate sludge and the water.

The present invention relates to the technical field of disperse dyes, and provides an azo type disperse dye composition synthesis method so as to solve the problem of not ideal light fastness of the single color variety due to 2,4-dinitroaniline. The synthesis method comprises that: a diazo component 2,4-dinitroaniline of various components in the desired mixture concurrently reacts in the same diazotization device, various coupling components of the mixed dye are coupled in the same coupling device through a plurality of coupling manners according to the ratio requirement with the diazo during coupling, the obtained coupling solution can be subjected to a temperature increase crystal transformation treatment before entering a filter if necessary so as to make the crystal form of the obtained dye be stable, and pressure filtration is performed to directly obtain the dye mixture with the required ratio. According to the present invention, the light fastness problem is solved, the crystal transformation process is mild, and the high temperature dispersion stability, the low temperature dispersion stability and the chromatic light of the dye are stable.

The invention discloses enterobacter cloacae SRPG-70 which is screened from Sinkiang salinity soil and has the effect of remarkably relieving salt stress to promote crop growth. Authentications in the aspects of physiological and biochemical characteristics show that the enterobacter cloacae SRPG-70 is a gram negative bacterium. By utilizing the characteristics of the enterobacter cloacae SRPG-70, pot experiment proves that the germination rate in treatment of 0.8% of NaCl is improved by 22.4% relative to sterile treatment; under salinization condition, the dry weight of cotton is improved by 28.8% by the SRPG-70; the plant height is increased by 14.2%; under salinization-free condition, the dry weight of cotton is improved by 14.9% by the SRPG-70; the plant height is improved by 11.5%. Through electron microscopy observation, the SRPG-70 can be successfully colonized at the middle parts of root tips and root base parts of plant roots. The cotton inoculated with the SRPG-70 is capable of adjusting the uptake, accumulation, transportation and distribution of metal ions. The SRPG-70 can be used for replacing chemical fertilizers to provide salt stress relieving and growth promoting effects and has the advantages of being strong in adaptive capacity to environment and stable in application effect; therefore, the SRPG-70 can be used for developing microbial agents and has wide application prospect to solve the soil salinization problem.

The invention discloses a biological fermentation feed for laying chickens and a production method. The feed can improve the digestion, absorption and utilization rate of the laying chickens on nutrients in a vegetable feed, improve the production capacity of the laying chickens and improve the quality of eggs, and is used in a compound feed for the laying chickens. Bean pulp, rice bran and wheatbran are used as raw materials; the feed is formed by fermentation of liquid strains in an amount which is 32 percent of the mass of the raw materials and solid strains in an amount which is 10 percent of the mass of the raw materials; the mass ratio of the bean pulp, the rice bran to the wheat bran is 70: 20: 10; the liquid strains consist of saccharomycetes, bacillus and alcaligenes in a volumeratio of 70: 20: 10, and the activity unit of each strain is 10<10> to 10<14>cfu/ml; and the solid strains consist of aspergillus niger, aspergillus oryzae and rhizopus in a mass ratio of 60: 30: 30,and the activity unit of each strain is 10<10> to 10<14>cfu/g.

The present invention relates to a tripentaerythritol-based polypropylene halogen-free flame retardant and a preparation method thereof, belonging to the technical field of flame retarding. The preparation method comprises the steps of: separately grinding and drying ammonium polyphosphate, tripentaerythritol, an alkyl ester synergist and a salt catalyst, then mixing and uniformly stirring to obtain the tripentaerythritol-based polypropylene halogen-free flame retardant which is white powder and can be stored in an heat-insulation moisture-proof environment. The flame retardant provided by the invention is characterized by a phosphorus-nitrogen compound high-efficiency flame retardant system and can be used as a flame retardant modifier to prepare halogen-free flame-retardant polypropylene granules by screw extrusion; and a 1.6 mm thick UL94V-0 flame retardant level is realized when the addition amount of the flame retardant is 25-32%, so that the obtained polypropylene composition isfree of halogen and has the advantages of excellent flame retardancy, good mechanical properties, low smoke, no toxicity, long-term stability of flame retardant, mechanical or electrical properties and other application properties, and environmental adaptability.

The invention belongs to the technical field of chemical engineering, and particularly relates to a method for detecting the organic treatment stability of the surface of titanium dioxide. The method comprises the following steps that a, a titanium dioxide triple-washing material and gas powder are dried to reach the constant weight; b, an infrared spectrometer is used for detection; c, differential spectra of infrared spectra of the gas powder of each batch and the triple-washing material are compared; d, an organic treatment agent is dried to reach the constant weight, and an energy disperse spectroscopy is used for qualitatively detecting all elements; e, an element analyzer is used for qualitatively detecting all the elements of the triple-washing material and the gas powder material of each batch; f, if the differences between the gas powder materials of the batches and the content of a certain element of the triple-washing material are different, the added amount of the organic treatment agent is not stable; if the differences are the same, the added amount of the elements is stable. The method has the guiding significance of feedback regulation of improving the organic treatment agent addition technology.

The invention discloses 460MPa grade cold-rolled microalloy high strength steel. The 460MPa grade cold-rolled microalloy high strength steel comprises, by mass, 0.051 to 0.059% of C, 0.01 to 0.02% ofSi, 1.17 to 1.27% of Mn, 0.2 to 0.5% of Al, P<=0.010, S<=0.006, 0.03 to 0.05% of Nb, 0.07 to 0.08% of Ti, and the balance Fe and unavoidable impurities. A manufacturing method is combined with component design and manufacturing technology improvement, so that the obtained steel products are high in strength, percentage elongation, spot welding performance, and moulding performance, excellent platability is achieved, rebound deformation performance is small, problems in the prior art such as poor formation performance, weldability, and rebound performance of high strength steel of the same grade are solved, and obvious social benefit and economic benefit are achieved.

The invention discloses a traditional Chinese medicinal composition and its application in fever relief and defecation promotion. The traditional Chinese medicinal composition comprises 826g of Rheum officinale, 165g of Radix Scutellariae, 83g of Immature Bitter Orange and 17g of licorice root. The traditional Chinese medicinal composition has a stable application effect in the preparation of fever relief and defecation promotion medicines. A liver-fire clearing pill used as an official book prescription for a long term is creatively improved in the invention, an important component cinnabar in the pill, accepted as an assistant by technicist in the technical field, is removed to obtain the new composition, and the composition has the efficacies of heat clearing, bowel relaxing and stagnation relieving, can well be applied to treat constipation due to sthenia heat of large intestine, production of heat due to retention of food, and food stagnation, eliminates toxic influences due to cinnabar, and has stable medicinal effects.

The invention provides a spinning and drawing oil solution used for polypropylene fibers. Due to the adoption of the spinning and drawing oil solution used for polypropylene fibers, a good technological effect is achieved; according to the technical scheme, the oil solution comprises a wetting agent, a smoothing agent, a clustering agent, an emulsifying agent and an antistatic agent, wherein the wetting agent is composed of components A, the components A are composed of secondary alcohol polyoxyethylene-polyoxypropylene, the polyethylene oxide structural unit and the propylene oxide structural unit in the molecular formula of the components A are irregularly arranged as R1CH(R2)O(CH2CH2O)m(CH2CH(CH3)O)nH, R1 in the formula is alkyl groups with the carbon number being 5-10, R2 in the formula is alkyl groups with the carbon number being 3-8, m is larger than 0 and smaller than 12, and n is larger than and smaller than 8. The spinning and drawing oil solution used for polypropylene fibers can be used in the spinning and post-processing process of polypropylene fibers.

The invention provides a composite premix feed for freshwater fishes. According to the composite premix feed disclosed by the invention, the composite premix feed and a same large formula are in concerted application for being applied in actual production of a fish pond, and in an application process, the formula of the composite premix feed for the freshwater fishes is adjusted repeatedly, and current product quality and application effects are stable, so that the problems that the feed cost for crucian carps is high, the growth rate is not high, the bait coefficients are high, and the investment return rate is low are solved. The composite premix feed disclosed by the invention does not contain additives and medicines, which are not permitted to use in China, and the composite premix feed is guaranteed to conform to feed hygienic standards. Astragalus polysaccharide, bile acid, high-stability VC, VE, inositol and the like are added, so that the immunity and the stress resistance of fish bodies are improved, the constitutions are strong, the vitality is high, the death rate is low, and the freshwater fishes are safe to live through the winter, and are resistant to long-distance transport.

The invention relates to a vehicle infrastructure collaborative awareness and data fusion method, a medium and an automatic driving system, the method is applied to a vehicle-mounted processor, and the method comprises the following steps: obtaining various sensor data, and carrying out data fusion through a neural network algorithm to obtain first summarized data; acquiring real-time information acquired by the road side unit; and fusing the first summarized data with the real-time information to obtain second summarized data. Compared with the prior art, the method can sense the intersection road traffic image and the millimeter wave radar point cloud data at the same time, enables the vehicle end and the road end to rapidly sense the surrounding environment information in a real-time cooperation manner, and has the advantages of improving the reliability of data collection, improving the recognition effect of subsequent application, being capable of resisting bad weather and road conditions and the like.

The invention relates to a color particle ornament for washing soap and a production field of the color particle ornament, in particular to color particles for the washing soap and a preparation method of the color particles for the washing soap, which solve the problem that the common color particles are unstable after being added in the washing soap in the development of the washing soap. The components of the color particles for the washing soap comprise mixed sodium aliphatate, sodium silicate, polyethylene glycol, sun-proof color paste and deionized water. The sodium silicate comprises the common raw materials with the modulus between 2.2 and 3.5 or mixtures with different modulus; polyethylene glycol comprises common raw materials with the polymerization degree between 400 and 3,000 or mixtures with different polymerization degrees; and the sun-proof color paste is pigment or azo or phthalocyanine dye with better sun-proof intensity or a mixture of pigment or azo or phthalocyanine dye with the better sun-proof intensity. According to the invention, the proper components and the match ratios of the components are selected and the preparation method is properly improved, so that the color particles for the washing soap with high stability is produced; furthermore, through the practical production and use, the particles in the washing soap product are bright in color, good in light resistant intensity; and meanwhile, the particles are not expanded, the color is not diffused, no frost is appeared on the soap, and the stability is good, so that the market competitiveness of the product is increased.