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143results about How to "In line with the concept of low-carbon environmental protection" patented technology

Water-borne hyperbranched structure modified polyurethane polymer and preparation method thereof, and self-repair diffuse reflection coating composition

The invention discloses a water-borne hyperbranched structure modified polyurethane polymer and a preparation method thereof, and a self-repair diffuse reflection coating composition. The preparationof the polymer comprises the following steps: performing reduced pressure vacuumization on aliphatic polyether diol and aliphatic polyester glycol at a temperature of 90-150 DEG C, cooling to 60-90 DEG C, and adding a catalyst and aliphatic diisocyanate; adding a hydrophilic chain extender for reacting for 1-3 hours; adding a hydroxy-terminated hyperbranched polymer, and reacting for 1-2 hours; adding a hydrophilic chain extender, and reacting for 1-2 hours; cooling to a normal temperature, and adding a neutralizer to regulate the pH value to 7-9; adding a sulfonate hydrophilic chain extenderand deionized water for reacting for 0.5-1 hour, thereby obtaining the water-borne hyperbranched structure modified polyurethane polymer. The self-repair diffuse reflection coating composition disclosed by the invention comprises the polyurethane polymer, and the coating composition has self-repair and diffuse reflection properties, is excellent in transparency, and also has excellent hardness andflexibility.
Owner:HARBIN INST OF TECH WUXI RES INST OF NEW MATERIALS +1

Casting molding template and casting molding process for constructional columns of infilled walls

The invention discloses a casting molding template and a casting molding process for constructional columns of infilled walls. The molding template comprises a lining template and a principal template, wherein the upper end part of the principal template is provided with a lining template installing slot for installing the lining template, the lining template and the principal template are assembled so as to form a constructional column template; and the lining template installing slot is provided with a horn-type feeding device, the lining template is a movable template which can carry out up-and-down motions or left-and-right motions on the inner wall of the principal template, and a template moving component is arranged on the outside surface of the lining template; and the molding process comprises the steps of 1, carrying out survey layout; 2, installing a reinforcement cage; 3, erecting the template; 4, installing the horn-type feeding device; 5, moving the lining template outwards; 6, carrying out casting construction; 7, moving back the lining template and removing the horn-type feeding device; and 8, removing the template. The casting molding template disclosed by the invention is reasonable in structure, simple in operation, economic, practical, time-saving, labor-saving and good in application effect, and can effectively solve various actual problems existing in the current construction on constructional columns of infilled walls.
Owner:陕西建工集团有限公司

Temperature-stable type low-loss microwave dielectric ceramic and preparing method thereof

The invention discloses temperature-stable type low-loss microwave dielectric ceramic. The target composition expression of the temperature-stable type low-loss microwave dielectric ceramic is 0.99(0.95(Mg0.97Zn0.03)TiO3-0.05CaTiO3)-0.01LaAlO3. Firstly, MgO, TiO2, CaCO3 and ZnO are mixed according to the stoichiometry equation 0.95(Mg0.97Zn0.03)TiO3-0.05CaTiO3, and presintering is carried out at 900-1150 DEG C after ball milling, drying and screening are carried out; secondly, La2O3 and Al2O3 are mixed according to the stoichiometry equation LaAlO3, and presintering is carried out at 1100-1300 DEG C after ball milling, drying and screening are carried out; thirdly, the two kinds of powder obtained after presintering are mixed according to the mole ratio of 99:1 and pressed into a green body after ball milling, drying, screening and pelleting are carried out, the green body is sintered at 1150 DEG C-1250 DEG C, and the temperature-stable type low-loss microwave dielectric ceramic is prepared. The QF value of the temperature-stable type low-loss microwave dielectric ceramic reaches 55,000-88,500 GHz, and the temperature coefficient (tao f) of resonance frequency reaches -9.9--6.9*10<-6>/DEG C. The temperature-stable type low-loss microwave dielectric ceramic is simple in preparing technology and superior in microwave dielectric performance, saves energy cost, conforms to the low-carbon environment-friendly concept and has wide application prospects.
Owner:TIANJIN UNIV

Novel high-temperature resistant alpha-amylase, preparing method of novel high-temperature resistant alpha-amylase and application of novel high-temperature resistant alpha-amylase

The invention relates to novel high-temperature resistant alpha-amylase, a preparing method of the novel high-temperature resistant alpha-amylase and an application of the novel high-temperature resistant alpha-amylase. As PCR site-specific mutagenesis is carried out on genes of wild-type high-temperature resistant alpha-amylase, and the genes are efficiently expressed in bacillus subtilis. The novel high-temperature resistant alpha-amylase is high in stability in the high-temperature environment and the acid environment, and can better adapt to industrial production to achieve the effects of saving energy, reducing consumption and improving efficiency. By means of the technical scheme, the genes of the wild-type high-temperature resistant alpha-amylase are separated from bacillus licheniformis, mutagenesis is carried out on His316 amino acid residues of the genes, efficient expression is carried out in the bacillus subtilis, and under the 90-DEG C condition and the pH-4.5 condition, the stability of the novel high-temperature resistant alpha-amylase (His316 to Arg) is improved compared with the wild-type high-temperature resistant alpha-amylase.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Stable-temperature magnesium-titanate-base microwave dielectric ceramic and preparation method thereof

The invention discloses a stable-temperature magnesium-titanate-base microwave dielectric ceramic and a preparation method thereof. The expression formula is 0.89MgTiO3-0.11(Ca0.4Na0.3Sm0.3)TiO3. The preparation method comprises the following steps: proportioning MgO and TiO2 according to the stoichiometric formula MgTiO3, carrying out ball milling, drying, screening, and presintering at 800-1000 DEG C; proportioning TiO2, CaCO3, Sm2O3 and Na2CO3 according to the stoichiometric formula (Ca0.4Na0.3Sm0.3)TiO3, carrying out ball milling, drying, screening and presintering at 1000-1300 DEG C; mixing the two presintered powders in a mole ratio of 89:11, carrying out ball milling, drying, screening, granulating and pressing to obtain a green compact; and sintering the green compact at 1200-1300 DEG C to prepare the magnesium-titanate-base stable-temperature microwave dielectric ceramic. The Qf value reaches 55000-72000GHz, and the temperature coefficient of resonance frequency (tau<f>) reaches -7.6 to -2.3*10<-6> / DEG C. The ceramic system has the advantages of simple preparation technique and excellent microwave dielectric properties, saves the energy cost, conforms to the concepts of low carbon and environment friendliness, and has wide application prospects.
Owner:TIANJIN UNIV

Capillary network temperature adjusting bionic plate and indoor heating and cooling system

The invention discloses a capillary network temperature adjusting bionic plate and an indoor heating and cooling system. The bionic plate comprises an inner layer panel, an outer layer panel and a capillary network clamped between the inner layer panel and the outer layer panel, wherein the capillary network is provided with an inner layer and an outer layer; a heat insulating material is filled between the inner layer panel and the outer layer panel; the inner layer capillary network is positioned between the heat insulating material and the inner layer panel and is tightly attached to the inner layer panel; and the outer layer capillary network is positioned in the heat insulating material. The capillary network temperature adjusting bionic plate has the advantages of capabilities of adjusting indoor temperature and reducing the loss of indoor heat energy or cold energy, wall body heat preserving function, suitability for an outer maintenance wall body of a building, energy conservation and emission reduction. The indoor heating and cooling system provided by the invention directly applies heat energy or cold energy of reproducible natural resources, does not increase carbon emission, is consistent with the current low-carbon and environmental-friendly concept, and has very high popularization and application values.
Owner:SHANGHAI QITAO TECH DEV

Aqueous four-arm star-shaped symmetric multi-block ultraviolet light-curable resin and preparation method thereof

The invention discloses an aqueous four-arm star-shaped symmetric multi-block ultraviolet light-curable resin and a preparation method thereof, wherein the four-arm star-shaped symmetric multi-block molecular structure of the aqueous four-arm star-shaped symmetric multi-block ultraviolet light-curable resin has four long-symmetric chain segments, and each molecular chain sequentially contains a polyurethane sub-chain segment, a chain extension group, a polyurethane sub-chain segment, a polyethylene glycol sub-chain segment, a polyurethane sub-chain segment, a chain extension group, a polyurethane sub-chain segment and an acrylate sub-chain segment from center to periphery. According to the present invention, based on the difference in the crystallization property and the microscopic compatibility of the polyethylene glycol sub-chain segment and the polyurethane sub-chain segment, the molecular sub-chain segments can produce different refractive indexes so as to achieve the matt effect;and the single-component ultraviolet light-curable matt coating material can be prepared from the aqueous four-arm star-shaped symmetric multi-block ultraviolet light-curable resin, can be quickly cured, and has good matt effect while can ensure excellent flexibility and high hardness.
Owner:HARBIN INST OF TECH WUXI RES INST OF NEW MATERIALS +1

Preparation method of tremella cultivation material

The invention discloses a preparation method of a tremella cultivation material, which is a technology of applying mushroom stems to tremella cultivation. Compared with the existing technology, the preparation method has the following advantages that firstly, as a pure natural nutrient solution, a mushroom stem leaching solution contains saccharides, amino acids, peptides, nucleic acids and trace elements, as well as diverse biological hormones, and the mushroom stem dregs also contain a great amount of un-leached bioactive substances; therefore, by mixing a mushroom stem soaking material with cultivation raw materials for stacking fermentation, the preparation method can promote the reproduction of beneficial microorganisms, improve microbial flora in the material and accelerate the catalytic decomposition of the cultivation materials; secondly, with high-activity beneficial bacteria and active metabolites, the fermented cultivation material has an effect of promoting the growth of tremella mycelia and cohabitant fungi mycelia, showing vigorous growing trend of the mycelia and strong capacity of resisting hybrid bacteria; and thirdly, the preparation method can save labor, coal and other resources, relieve environmental pollution and meet the concept of low-carbon environmental protection.
Owner:邬金梅

Stropharia rugoso-annulata cultivation method

InactiveCN104541985APromote the reproduction of beneficial microorganismsImprove the microfloraCalcareous fertilisersCultivating equipmentsPrimordiumMycelium
The invention relates to a stropharia rugoso-annulata cultivation method which is a technique applying mushroom tang to stropharia rugoso-annulata cultivation. Compared with the prior art, the stropharia rugoso-annulata cultivation method has the advantages that mushroom tang soaked materials and cultural materials are added and mixed for pile fermentation, beneficial microorganism reproduction is promoted, microbial florae in the materials are improved, and catalytic decomposition of the cultivation materials is quickened; the fermented cultural materials contain high active beneficial bacteria and active metabolites thereof, and promotion effect on growth of stropharia rugoso-annulata mycelia is realized and is reflected in that the mycelia are strong in growth vigor and high in resistance to hybrid bacteria; after second and third flushes of harvesting, effect of mycelium rejuvenation with mushroom tang leaching agent is good, promotion effect on formation of primordium of the stropharia rugoso-annulata and growth of fruiting bodies is realized, yield can be increased obviously, the problem of decline in quality of the stropharia rugoso-annulata due to long-term use of insecticide, bactericide and chemical synthetic fertilizer is solved, and quality of the stropharia rugoso-annulata is improved; resources such as labor, coal and the like are saved, environmental pollution is reduced, and the low-carbon environmental protection concept is conformed to.
Owner:邬方成

Temperature-stable type magnesium titanate base microwave dielectric ceramic

The invention discloses temperature-stable type magnesium titanate base microwave dielectric ceramic. The target composition expression of the temperature-stable type magnesium titanate base microwave dielectric ceramic is 0.9MgTiO3-0.1(K0.5La0.5)TiO3. Firstly, MgO and TiO2 are mixed according to the stoichiometry equation MgTiO3, and presintering is carried out at 800-1000 DEG C after ball milling, drying and screening are carried out; secondly,La2O3, K2CO3 and TiO2 are mixed according to the stoichiometry equation(K0.5La0.5)TiO3, and presintering is carried out at 1000-1200 DEG C after ball milling, drying and screening are carried out; thirdly, the two kinds of powder obtained after presintering are mixed according to the mole ratio of 9:1 and pressed into a green body after ball milling, drying, screening and pelleting are carried out; fourthly, the green body is sintered at 1250 DEG C-1350 DEG C, and the temperature-stable type magnesium titanate base microwave dielectric ceramic is prepared. The QF value of the temperature-stable type magnesium titanate base microwave dielectric ceramic reaches 31,000-68,000 GHz, and the temperature coefficient (tao f) of resonance frequency reaches -7.9--0.7*10<-6> / DEG C. The ceramic system is simple in preparing technology and superior in microwave dielectric performance, has saved energy cost, conforms to the low-carbon environment-friendly concept and has wide application prospects.
Owner:TIANJIN UNIV

Temperature-stable type perovskite structure microwave dielectric ceramic

The invention discloses temperature-stable type perovskite structure microwave dielectric ceramic. The expression of the temperature-stable type perovskite structure microwave dielectric ceramic is 0.93MgTiO3-0.07(Ca0.4Na0.3La0.3)TiO3. Firstly, MgO and TiO2 are mixed according to the stoichiometry equation MgTiO3, and presintering is carried out at 800-1000 DEG C after ball milling, drying and screening are carried out; secondly,TiO2, CaCO3, La2O3 and Na2CO3 are mixed according to the stoichiometry equation (Ca0.4Na0.3La0.3)TiO3, and presintering is carried out at 900-1200 DEG C after ball milling, drying and screening are carried out; thirdly, the two kinds of powder are mixed according to the mole ratio of 93:7 and pressed into a green body after ball milling, drying, screening and pelleting are carried out; fourthly, the green body is sintered at 1200 DEG C-1300 DEG C, and the microwave dielectric ceramic is prepared. The QF value of the temperature-stable type perovskite structure microwave dielectric ceramic reaches 64,000-74,000 GHz, and the temperature coefficient (tao f) of resonance frequency reaches -5.6--2.8*10<-6> / DEG C. The ceramic system is simple in preparing technology and superior in microwave dielectric performance, has lowered sintering temperature and saved energy cost, conforms to the low-carbon environment-friendly concept and has wide application prospects.
Owner:TIANJIN UNIV

Pleurotus eryngii high-yield cultivating method

The invention discloses a pleurotus eryngii high-yield cultivating method. The pleurotus eryngii high-yield cultivating method comprises the following steps: preparing a cultivation matrix, bagging, sterilizing, inoculating, carrying out fungus running management, carrying out mushroom production management and harvesting. The pleurotus eryngii high-yield cultivating method has the beneficial effects that pleurotus eryngii cultivated by the pleurotus eryngii high-yield cultivating method grows regularly and has a relatively high nutritive value, relatively delicious taste, good mouthfeel and high quality; the harvesting time of the pleurotus eryngii is shortened; the production cycle of the pleurotus eryngii is only 30-35 days; the yield of the pleurotus eryngii cultivated by the pleurotus eryngii high-yield cultivating method is high and is increased by 40-50% in comparison with the yield of the pleurotus eryngii cultivated by a common cultivation method; and the prepared cultivation matrix has an extremely high nutritive value after being fermented, contains components promoting the growth of the pleurotus eryngii, provides a good growing environment for hypha through reasonable matching of the components, is capable of effectively promoting survival and growth of the pleurotus eryngii, has a remarkable promotion effect on growth of pleurotus eryngii hypha, is high in biotransformation efficiency, can reduce environmental pollution and conforms to low-carbon environmental protection concept.
Owner:胡云龙

Method for preparing needle mushroom cultivation material

InactiveCN104591898APromote the reproduction of beneficial microorganismsImprove the microfloraCalcareous fertilisersFertilizer mixturesShiitake mushroomsHyphomycetes
The invention discloses a method for preparing a needle mushroom cultivation material, namely a technology for applying mushroom stems to needle mushroom cultivation. Compared with the prior art, the method disclosed by the invention has the advantages that 1, the mushroom stem leaching solution refers to pure natural nutrient solution and contains bioactive substances of rich varieties, the mushroom stem soaking material and the cultivation material are mixed for performing stacking fermentation, beneficial microorganism propagation is promoted, the microbial flora in the material is improved, and the catalytic decomposition of the cultivation material is accelerated; 2, the fermented cultivation material comprises high-activity beneficial bacteria and active metabolites thereof, has an effect of promoting growth of needle mushroom mycelia and is mycelia growth vigor and high in infectious microbe resistance; and 3, the resources such as manual labor and coal are saved, the environmental pollution is reduced, and the low-carbon environmental protection concept is met.
Owner:邬金飞

Micro-emulsified biodegradable metal working fluid with low carbon footprint as well as preparation method and application thereof

The invention provides a micro-emulsified biodegradable metal working fluid with low carbon footprint, which comprises the following components in percentage by weight: 2%-6% of isopropanolamine, 1%-3% of a nano silicon anti-corrosive agent, 3%-6% of triazine polycarboxylic acid, 1%-3% of benzotriazole or methyl benzotriazole, 4%-8% of self-emulsifying ester, 4%-6% of tall oil, 30%-70% of dioctyl terephthalate, 2%-4% of Guerbet alcohol, 1%-4% of an ether carboxylic acid compounding agent, 10%-15% of cardanol, 0.2%-0.3% of potassium hydroxide and the balance of water. The invention further provides a preparation method and application of the micro-emulsified biodegradable metal working fluid with low carbon footprint. Compared with the prior art, the metal working fluid is better in lubricity, degradable, low-carbon and environment-friendly. In the formula, the dioctyl terephthalate is used for replacing mineral oil which is not easy to degrade, and the emulsifier cardanol is used for replacing the original high-grade fatty alcohol emulsifier which is not easy to degrade, so that the lubricating property is good, biodegradation is easy, and the concept of low carbon and environmental protection is met. The metal working fluid can meet the processing requirements at low concentration, and the processing requirements of various different materials can be met at the same time.
Owner:SHENZHEN FRANCOOL TECH

Tremella cultivation method

The present invention discloses a tremella cultivation method, characterized in that corn cores and bean cakes serve as the main materials, and a mushroom tang immersion material is added for stacking fermentation. The leach solution of the mushroom tang rejuvenates ear bed hypha, and the biological efficiency reach 14.0% (dried). The tremella cultivation method comprises the steps of material preparation, fermentation, bed making, seeding, spawn running and ear generating management. The tremella cultivation method has the advantages as follows: firstly, the mushroom tang immersion material and cultivation materials are mixed for stacking fermentation, the breeding of profitable microbe is prompted, and the catalysis decomposition of the cultivation material is accelerated; secondly, the fermented cultivation material has high activity profitable fungus and active metabolic product thereof, the growth of tremella hyphae and ash hyphae is prompted, the growth trend of the hyphae is lively, and the anti-mixed bacterium ability is high; thirdly, after the first round of picking up of the tremella, the effect of rejuvenating the mushroom tang leach solution is good, and the conversion rate of the second round of the tremella is high; fourthly, resources such as manpower, coal, carbon are saved, environmental pollution is reduced, according with the concept of low-carbon environmental protection.
Owner:邬金梅

Pleurotus citrinopileatus cultivation material making method

The invention provides a pleurotus citrinopileatus cultivation material making method, wherein the cultivation material is characterized by being made from corncob, cottonseed hull and soybean meal as main raw materials with addition of a lentinus edodes stem base soaked material for performing stacking fermentation. The making method includes steps of material preparation, fermentation, stack turning, packaging with bags, inoculation and spawn running. Biological efficiency of the method reaches 122.3%. The making method is advantaged in that: (1) the lentinus edodes stem base leachate is a pure-natural nutrition liquid containing carbohydrates, amino acids, peptides, nucleic acids and microelements and also contains abundant bio-hormones, and lentinus edodes stem residue also contains a large amount of bio-active substances not being leached, so that by blending the lentinus edodes stem base soaked material and the cultivation raw materials for performing the stacking fermentation, the cultivation material is accelerated in catalytic decomposition; (2) the fermented cultivation material has high-active beneficial bacteria and active metabolites thereof, so that the cultivation material has a promoting effect on growth of mycelia of pleurotus citrinopileatus and the mycelia is good in growth and is strong in foreign-bacteria-resistant capability; and (3) the making method saves labor intensity and coal and such resources, can reduce environment pollution and satisfies a low-carbon environmental-protective concept.
Owner:邬方成
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