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95results about How to "Effective cracking" patented technology

Micro-ecological flora of crop root system probiotics and application thereof

The invention discloses a micro-ecological flora of crop root system probiotics and an application thereof. The micro-ecological flora comprises a leading flora, a balance flora, a basic flora, a secondary-function flora and a special-function flora, wherein the leading flora comprises 25-35 parts of nitrogen-fixing bacteria by mass; the balance flora comprises 17-23 parts of phosphate solubilizing bacteria and 17-23 parts of potassium solubilizing bacteria by mass; the basic flora comprises 2-7 parts of yeast, 2-7 parts of rhizobia and 2-7 parts of photosynthetic bacteria by mass; the secondary-function flora comprises 2-7 parts of bacillus and 2-7 parts of actinomycetes by mass; the special-function flora comprises 2-4 parts of white rot fungi and 1-3 parts of pseudomonas. In the micro-ecological flora disclosed by the invention, the strain stability is good, functional microorganisms can be effectively planted in soil, and the functions of improving the crop yield and quality, improving the soil, detoxifying heavy metals and resisting diseases and pests can be realized.
Owner:广州溯原生物科技股份有限公司

Technology and system for catalytic cracking

ActiveCN107597026AHigh conversion rate of heavy oilPromotes re-lysisCatalytic crackingChemical/physical processesChemistryDry gas
The invention discloses a technology and system for catalytic cracking. The technology for the catalytic cracking comprises the steps of feeding light raw oil into a first fluidized bed reactor (6) which is arranged in a pre-lift zone (5) for a first catalytic cracking reaction, and feeding heavy raw materials into a lift-pipe reaction zone and a second fluidized bed reactor (2) for a second catalytic cracking reaction and a third catalytic cracking reaction sequentially. According to the technology based on the system, the yield of propylene can be increased, and meanwhile the increase of theyields of dry gases and coke can be slowed down.
Owner:CHINA PETROLEUM & CHEM CORP +1

Paint with elastic texture

The invention relates to paint with elastic texture, which comprises an A component and a B component, wherein the A component comprises water, hydroxypropyl methylcellulose, quartz sand, and some other additives; the B component comprises 1250-mesh barium sulfate, rutile titanium dioxide, calcined kaolinite, elastic emulsion, styrene-acrylic emulsion, and some other additives, and the B component is obtained by mixing the above components with a proper amount of color paste; the paint with elastic texture is obtained by uniformly stirring the A component and the B component according to weight percents. The paint with elastic texture of the invention is waterborne thick-paste paint with specially-produced pure styrene-acrylic emulsion as a base material and natural granite stone powder as main fillers, and has better wear resistance and cracking resistance than common flat paint or elastic paint; cracks of walls can be bridged effectively because of the flexibility property; and the excellent ultraviolet radiation resistance is especially suitable for areas with strong sunlight.
Owner:河南省德嘉丽科技集团有限公司

Method for in-situ extraction of hydrocarbon compounds in oil shale through downhole heating

A method for in-situ extraction of hydrocarbon compounds in oil shale through downhole heating comprises the steps of drilling at least one heating well and at least one production well in a defined oil shale exploitation area, fracturing an oil shale layer between the heating well and the production well, pumping water in the wells, and lowering a downhole heater to the oil shale layer; and injecting carbon dioxide with certain pressure into the wells, and exhausting underground air. Carbon dioxide is injected through the heating well, the injected carbon dioxide is heated through the underground heater to reach a supercritical environment, heat preservation is carried out for a certain time, kerogen in the oil shale is cracked into small molecular asphalt under the action of the supercritical carbon dioxide, an oil-water-gas mixture is lifted to the ground through the production well, and hydrocarbon compounds are obtained after separation through an oil-water-gas separation system.According to the method, organic matter in the oil shale can be effectively cracked and extracted through supercritical carbon dioxide, and energy loss caused when a high-temperature fluid medium passes through a pipe column is avoided through underground heating.
Owner:JILIN UNIV

Anti-bacterial peptide, anti-bacterial peptide hydrogel and preparation method of anti-bacterial peptide hydrogel

The invention relates to the technical field of biological pharmacy, in particular to an anti-bacterial peptide, an anti-bacterial peptide hydrogel and a preparation method of the anti-bacterial peptide hydrogel. The amino acid sequence of the anti-bacterial peptide is shown as SEQ ID NO:1. Experiments show that the polypeptide of the anti-bacterial peptide has high antibacterial activity and excellent biocompatibility. The anti-bacterial peptide hydrogel is made of the anti-bacterial peptide, a photo-thermal reagent and a wound growth promoting factor. Tests show that the anti-bacterial peptide hydrogel has a good killing effect on bacteria, especially drug-resistant bacteria, on the surface of a biological film, a bacterial biofilm can be effectively spitted and removed, growth and proliferation of wound epidermal cells, collagen formation and angiogenesis are facilitated, and rapid healing of wounds infected by the bacterial biofilm is achieved.
Owner:SUZHOU UNIV

Norovirus GI, GII and GIV nucleic acid genotyping reagent kit and detection method

The invention discloses a Norovirus GI, GII and GIV nucleic acid genotyping reagent kit. The reagent kit comprises a viral nucleic acid quick extraction reagent, a PCR amplification reagent, PCR enzyme mixed liquor, a Norovirus GI, GII and GIV nucleic acid detection reagent, a positive control product, and a negative control product. The formula can be used for quick extraction of virus RNS, and the PCR detection efficiency is improved. The Norovirus GI, GII and GIV nucleic acid detection reagent comprises a Norovirus GI amplification primer F1, R1 and probe P1, a Norovirus GII amplification primer F2, R2 and probe P2 and a Norovirus GIV amplification primer F3, R3 and probe P3; and the sequence of the primer probe is created for the first time and unique in design, good in specificity and high in sensitivity. The invention further provides a Norovirus GI, GII and GIV nucleic acid genotyping detection method. According to the Norovirus GI, GII and GIV nucleic acid genotyping reagent kit and detection method disclosed by the invention, whether Norovirus GI, GII and GIV pathogens are contained in samples to be detected can be detected in a multichannel manner at the same time, quick and precise detection can be realized, viruses can be quantified, and application is convenient.
Owner:伯杰(青岛)医疗科技有限公司

Electromagnetic water treatment apparatus

A provided electromagnetic water treatment apparatus comprises an ion exchange membrane, a water-flowing pipe, at least a positive plate and at least a negative plate; the positive plate and the negative plate are applied in the water-flowing pipe for applying an electric field. The electromagnetic water treatment apparatus also comprises an magnetic device used for applying a magnetic field perpendicular to the electric field in the water-flow pipe. By using the electric field and the magnetic field at the same time, the electromagnetic water treatment apparatus has the advantage of high electrolysis efficiency.
Owner:刘华鑫

Chimeric antibody and immunocyte

The invention discloses a chimeric antibody and an immunocyte. The chimeric antibody provided by the invention has an amino acid sequence containing a target antibody, a transmembrane domain segment of a HLA-A2 (Human Leukocyte Antigen-A2) molecule and an intracellular domain segment of a CD3 compound protein zeta chain in sequence from a terminal N to a terminal C. The chimeric antibody can be expressed on the surfaces of any cells, when the chimeric antibody is expressed on the surface of an immunocyte, the immunocyte is endowed with a specific immunity by virtue of the target antibody on the chimeric antibody, and thus, the chimeric antibody provided by the invention can be specifically combined with a plurality of antigens along with different target antibodies in the chimeric antibody. The chimeric antibody, a single-domain antibody and an immunocyte for expressing the chimeric antibody, provided by the invention, are about to have broad application prospects in the cellular immunotherapy.
Owner:INST OF MICROBIOLOGY - CHINESE ACAD OF SCI

Anti-African swine fever virus and anti-CD double-target pig-derived antibody, preparing method and application

PendingCN109734810ASolve the problem of mass deathAvoid damageBiocideHybrid immunoglobulinsAntigenInfected cell
The invention relates to the technical field of biological medicine, in particular to an anti-African swine fever virus and anti-CD double-target pig-derived antibody, a preparing method and application. The prepared anti-African swine fever virus and anti-CD pig-derived double-target compound antibody has two antigen combination sites which are combined with African swine fever viruses and immunecells respectively to generate the bridging effect and realize the two major functions; on one hand, the antigen proteins which cause immunosuppression and immune escape are inactivated, the immunosuppression and immune escape are eliminated, and the African swine fever viruses entering a body are killed; on the other hand, the functions of T cells are activated, the immune system is restored, the cell-mediated immunity is started, and virus expansion is prevented; meanwhile, infected cells are split and dissolved, phagocytes are activated to clear away the viruses and the infected cells, andthe aim of preventing and treating the African swine fever viruses is achieved. By means of the compound antibody, a biological medicine and a biological safety feed additive which eliminate the infection of the African swine fever viruses and prevent and treat the African swine fever can be prepared.
Owner:SHENZHEN JASON INTELLIGENT BIOTECH CO LIMLTED PRC

Alzheimer's disease improving nutritional composition and application thereof

The present invention relates to an Alzheimer's disease improving nutritional composition and an application thereof. The nutritional composition comprises the following components in parts by weight: 20-30 parts of selenium-rich natto meal, 15-20 parts of microcapsuled curcuma longa and butter powder, phosphatidylserine 5-10 parts, docosahexaenoic acid powder 1-5 parts, arachidonic acid powder 2-10 parts, flaxseed powder 10-15 parts, oligofructose 4-10 parts, isomaltooligosaccharide 10-25 parts, and resistant dextrin 15-30 parts. The nutritional composition has a good improvement effect of Alzheimer's disease.
Owner:广州友方生物科技有限公司

Medicament composite for varixoflowerlimb

The invention discloses an oral combination of Chinese medicine used for treating gastric ulcer, which belongs to a field of traditional Chinese medicine. The medicine used for curing lower extremity varicose vein is made by certain weight of rehmannia root, coix seed, medicinal cyathula root, Chinese corktree, unpeeled root of herbaceous peony, moutan bark, peach seed, safflower and Chinese stractylodes. Putting the material medicine into a marmite and adding water for proper soaking: first, using furious fire to boil, then using small fire to heat for half an hour. The liquid medicine is filtered, and proper water is added into the decoction medicine and heated for half an hour, and then the medicine liquid is filtered again.By adopting the formulation, the invention has the following clinical effects: 1. symptom can be effectively relieved with a highly total effective rate of 98.33 percent. 2. clinical symptom can be effectively improved and survival quality can be improved for patients: after taking the medicine for a month, pain is obviously decreased and blood circulation is improved for the ordinary patients.After taking the medicine for 2 months, venous thrombosis is gradually disintegrated and venous blood return is accelerated; after taking the medicine for 3 months, symptoms of swelling, pain, weakness of the lower limbs, numbness and coolness are essentially disappeared; black purple and indurative skin is tended to be normal. 3. the medicine is pure traditional Chinese medicinal preparation without adverse reaction.
Owner:周祝谦

Dry-mixed elastic rough mortar and manufacturing method thereof

The invention relates to novel dry-mixed elastic rough mortar. The elastic rough mortar is powdery and is composed of 5-30% of cement, 0-5% of lime, 50-80% of natural rock flour filler, 2-20% of redispersible powder, 0.1-2% of a promoter, 0.1-0.5% of cellulose ether polymers, 0.1-0.3% of a hydrophobic agent, 0-0.3% of lignocellulose, 0-0.2% of a wetting agent, 0-0.1% of a retarder and 0.1-0.3% of a defoaming agent. The invention also discloses a manufacturing method of the dry-mixed elastic rough mortar; and the manufacturing method comprises the steps of adding the cement, an acrylic based emulsion, the natural rock flour filler, the promoter and the like into a screw-type dry-mixed mortar stirrer according to the mass percentage in the elastic rough mortar, and stirring for 3-15 minutes to obtain the dry-mixed elastic rough mortar. After construction, the dry-mixed elastic rough mortar disclosed by the invention is very strong in bonding strength, favorable in alkaline and weather resistance and free of storage and transportation troubles, and is environment-friendly and safe.
Owner:FOSHAN TOKON BUILDING MATERIALS

Waste fan blade pyrolysis recovery system and working method thereof

ActiveCN113046107AIndependent and flexible structureHarmlessProductsReagentsFan bladeCirculating fluidized bed boiler
The invention discloses a waste fan blade pyrolysis recovery system and a working method thereof, and belongs to the technical field of resource recovery. The waste fan blade pyrolysis recovery system comprises a crushing system, a circulating fluidized bed boiler system, a pyrolysis reactor, a material collecting and conveying device, a pyrolysis gas-solid separation system and a cracking oil separation system. According to the invention, composite materials in waste blades can be effectively cracked, cracking oil generated by cracking can be recovering, cracking gas is pumped to a hearth to be effectively incinerated, heat value contained in the cracking gas is effectively utilized, pollutants generated in the combustion process can be discharged in a standard reaching mode by means of an environment-friendly device arranged in an original boiler system, and a pyrolysis reaction in a pyrolysis reactor under an anoxic atmosphere effectively avoids the potential problems of dioxin generation and emission, and the like caused by direct incineration of the waste leaves, so that harmless and resourceful treatment of the waste leaves is completely achieved; and before the comprehensive recycling technology of the blade material is mature and utilized on a large scale, the influence of the waste blade on the environment and the like can be effectively solved, and good environmental protection benefits and economic benefits are generated.
Owner:HUANENG CLEAN ENERGY RES INST

Solvent extraction, wetting inversion, and impulse fracturing triune coal permeability-improvement method

The invention provides a solvent extraction, wetting inversion, and impulse fracturing triune coal permeability-improvement method. According to the method, gas extraction pipes and grouting pipes aremounted in constructed drilled holes, the grouting pipes are externally connected with impulse water injecting pumps and frequency-conversion motors, and the externally-connected impulse water injecting pumps are further utilized to mix extraction solvents, wetting inversion agents and water according to a certain proportion, so that an extraction inversion solvent is formed and injected into thedrilled holes for coal seam permeability-improvement operation, and then the gas extraction pipes are used for discharging the extraction inversion solvent and then conduct gas extraction. Accordingto the solvent extraction, wetting inversion, and impulse fracturing triune coal permeability-improvement method, the advantages of the extraction solvent, the wetting inversion agent and impulse fracturing are brought into full play, the method is simple and efficient, and the permeability-improvement of a coal seam can be greatly improved.
Owner:CHINA UNIV OF MINING & TECH

Nucleic acid releasing agent and HPV virus nucleic acid detection kit

The invention discloses a nucleic acid releasing agent. The nucleic acid releasing agent comprises a composition of Triton X-100 and diethylene glycol monoethyl ether (DCDE) with a mass ratio of 1: (1-3). The low-cost composition of Triton X-100 and DCDE is adopted to replace a traditional guanidine salt and a detergent, and the obtained nucleic acid releasing agent has advantages of safe use, easy degradation, simple operation, and low manufacturing cost, can effectively lyse serum samples containing pathogens, quickly release nucleic acids therein, reduce inhibition of downstream experiments, and has high pathogen lysis efficiency. The invention also discloses an HPV virus nucleic acid detection kit. The kit comprises the nucleic acid releasing agent, is simple and convenient to operate,and high in working efficiency, effectively avoids a link that may occur during the experimental operation, reduces loss of HPV DNA in an extraction process, and has a quantification limit of 45 IU / mL and a detection limit of 22 IU / mL.
Owner:苏州博方生物技术有限公司

Technology for preparing ethylene and propylene by catalytically cracking byproduct C4 material in coal to olefine

The invention relates to technology for preparing ethylene and propylene by catalytically cracking a byproduct C4 material in coal to olefine. The technology comprises the following steps for treating the byproduct C4 material in coal to olefine: a, making the material pass through a dehydration reactor filled with a molecular sieve; b, making the material pass through an organic oxygen-containing compound removal reactor which is filled with an organic oxygen-containing compound adsorbent; and c, making the material pass through a catalytic reactor which is filled with a catalyst for catalytically cracking the C4 material to produce the ethylene and propylene, wherein the step a and the step b can be interchanged. The technology provided by the invention has the advantages of effectivelycracking the byproduct C4 material in coal to olefine into the ethylene and propylene and well utilizing the byproduct C4 material in coal to olefine, saving resources and having higher economical efficiency and operability.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Metal lens antenna microwave radiation device for hard rock tunnel excavation

The invention discloses a metal lens antenna microwave radiation device for hard rock tunnel excavation. The metal lens antenna microwave radiation device comprises a universal mobile platform vehicle, a microwave power supply, a microwave generator, a connecting waveguide, a horn mouth antenna, a metal lens antenna, a shielding box, a laser displacement sensor, an infrared thermal imager and thelike. The microwave power supply is connected with the microwave generator through a power supply connecting wire; the microwave generator is connected with the horn mouth antenna through the connecting waveguide and the flange plate; the laser displacement sensor and the infrared thermal imager are fixed on the shielding box; the horn mouth antenna, the metal lens antenna and the shielding box are fixed on the universal mobile platform vehicle; microwaves generated by the microwave generator are focused on a tunnel face through the metal lens antenna, the position and the height of the universal mobile platform car are adjusted, and therefore the metal lens antenna microwave radiation device acts on a preset heating point on the tunnel face, and efficient and economical excavation of thehard rock tunnel is achieved.
Owner:SOUTHEAST UNIV

Type two peptidoglycan recognition protein and preparation method and application thereof

The invention relates to the field of molecule microbiology, in particular to a type two peptidoglycan recognition protein (PGRP) of sciaenops ocellatus and a preparation method and application of the type two peptidoglycan recognition protein of the sciaenops ocellatus. PGRP is shown as an amino acid sequence in a sequence table sequence (SEQ) ID number (No.) 1. The preparation method comprises the steps that plasmid p PGRP2 is converted to escherichia coli BL 21 (DE3) to obtain BL21 or the p PGRP 2, the BL21 or the p PGRP 2 after the inducement of isopropyl-beta-D-sulfo-galactoside recombines protein through the purification of affinity chromatography, namely, the protein has bacteriostatic activity. The type two PGRP has the function of specificity fungicide which aims at gram-positive bacterium, so that the growth or the infection of the gram-positive bacterium can be retrained.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Treatment method of sample for membrane protein analysis identification

The present invention relates to the field of membrane proteomics research, specifically to a treatment method of a sample for membrane protein analysis identification. According to the treatment method of the present invention, SL is adopted as a detergent, and is provided for membrane protein analysis identification, wherein SL molecules have a linear hydrophobic hydrocarbon chain tail similar to SDS molecules, and a carboxyl head similar to SDC molecules, and experiment results show that SL provides significant advantages in identifications of membrane proteins, especially in identifications of integral membrane proteins having high hydrophobicity and / or multiple transmembrane regions compared with ALS and SDC.
Owner:HUNAN NORMAL UNIVERSITY

Treatment device and treatment method for recycling protein and phosphorus from urban domestic sludge and converting reducing sugar

The invention discloses a treatment device and a treatment method for recycling protein and phosphorus from urban domestic sludge and converting reducing sugar, and belongs to the technical field of remaining sludge treatment equipment. By virtue of ultrasonic cavitation and a synergistic effect of chemical reagents, the effect of cracking the domestic sludge is efficiently achieved; a sludge cracking solution enters a vertical stainless steel barrel with a hydrotalcite filter, and by virtue of strong phosphorus adsorption of hydrotalcite, phosphorus in the cracking solution is acquired; thendephosphorized cracking solution enters the stainless steel barrel with the hydrotalcite filter, and by virtue of relatively strong affinity between the hydrotalcite and protein, the protein in the cracking solution is acquired; the phosphorus and the protein adsorbed in the filter are further desorbed by respectively added desorbing solutions to obtain a phosphorus concentrate and a protein concentrate; and under the action of cellulase and the sludge protein, the reducing sugar is prepared. Through the treatment device and the treatment method, effective cracking of the domestic sludge can be achieved so as to reduce the sludge, and efficient resource utilization of the domestic sludge can be achieved.
Owner:YULIN UNIV

Building wall surface plastering-free anti-crack technology

The invention discloses a building wall surface plastering-free anti-crack technology. The technology is characterized in that different constriction processed are adopted at an internal corner and an external corner of a building, a brickwork wall surface and joints between concrete and brickwork respectively, an internal corner strip (4) and an external corner strip (5) with L-shaped cross sections are installed inside the internal corner (1) and the external corner (2) on a bottom anti-crack putty layer (3) respectively in a fillet mode, the internal corner strip and the external corner strip are coated with a surface layer leveling anti-crack putty layer (6), the brickwork wall surface built by building blocks (7) is coated with jointing anti-crack putty (11), and then the whole wall surface is sequentially coated with the bottom anti-crack putty layer (3) and the surface layer leveling anti-crack putty layer (6); the wall surface portion where the concrete (12) and the building blocks (7) are connected is directly coated with a bottom high-elasticity putty layer (13), and an anti-alkali grid cloth (14) is pressed into the bottom high-elasticity putty layer and coated with a surface high-elasticity putty layer (15). The house wall surface quality problem can be effectively solved.
Owner:YUNNAN CONSTR ENG GENERAL CONTRACTING

Palladium-niobium catalyzing film material used for light-adjusting device, light adjusting mirror with material and preparing method of palladium-niobium catalyzing film material

InactiveCN106702325AEffective crackingImprove hydrogen absorption and desorption lifeVacuum evaporation coatingSputtering coatingChemical compositionHydrogen
The invention relates to a palladium-niobium catalyzing film material used for a light-adjusting device, a light adjusting mirror with material and a preparing method of the palladium-niobium catalyzing film material. The film material is a Pd-Nb alloy film, and the chemical composition of the film material is pd100-xNbx, wherein x is larger than 0 and smaller than 20. Niobium is doped in the palladium catalyzing layer film material and can serve as a protection layer and a catalyzing layer to effectively catalyze pyrolysis of hydrogen under the room-temperature atmosphere, on the premise that the transmittance is not affected, the hydrogenation and dehydrogenation life of the light adjusting mirror can be prolonged, the speed of hydrogenation and dehydrogenation can be increased as well, and in addition, the manufacturing cost of the light adjusting mirror is reduced.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Catalytic cracking process and catalytic cracking system

ActiveCN109666505AHigh conversion rate of heavy oilPromotes re-lysisTreatment with plural serial cracking stages onlyCatalytic crackingChemistryFluid catalytic cracking
The present invention relates to a catalytic cracking process and a catalytic cracking system. The catalytic cracking process comprises: a, feeding a heavy raw material into the upper portion of a downer reactor, making the heavy raw material contact a first catalytic cracking catalyst from the top portion of the downer reactor, and carrying out a first catalytic cracking reaction from top to bottom to obtain a first product and a first spent catalyst; and b, feeding the first product and the first spent agent obtained in the step a into a first fluidized bed reactor, making the first productand the first spent agent contact a second catalytic cracking catalyst, carrying out a second catalytic cracking reaction to obtain a second product and a second spent catalyst, feeding the second spent catalyst into a regenerator, and regenerating to obtain a regenerated catalyst. With the process and the system of the present invention, the yield of low-carbon olefins can be increased while theincrease of the dry gas yield can be retarded.
Owner:CHINA PETROLEUM & CHEM CORP +1

Compositions for permeabilising fixed blood cells and uses thereof

The present invention relates to a cell treatment composition for the permeabilization of fixed blood cells, to the use of said composition, to a method for the treatment of a biological sample comprising fixation of said sample and subsequently contacting said biological sample with said cell treatment composition. The invention further relates and to a kit comprising said cell treatment composition.
Owner:BECKMAN COULTER INC

Extraction method of soil protein

The invention provides an extraction method of soil protein. The extraction method comprises the following steps of adding soil protein extraction buffer liquid into a soil sample, oscillating, and standing; putting into boiling water for heating, cooling in 0 DEG C ice water, oscillating, and centrifuging; filtering supernatant, adding Tris saturated phenol into the filtered supernatant, oscillating, centrifuging, removing the supernatant, and collecting lower phenol solution; adding an ammonium acetate methanol solution into the lower phenol solution, and storing for 6 to 8h at the temperature of -20 DEG C; centrifuging, removing out the supernatant, collecting protein precipitate, cleaning the protein precipitate by acetone, and freeze-drying, so as to obtain protein dry powder. After detecting by SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gelelectrophoresis) electrophoresis, compared with the protein band obtained by other two representative extraction methods of the soil protein, the band of the soil protein extracted by the method is clearer.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method for extracting fungal genome on surface of aged tobacco

The invention relates a method for extracting a fungal genome on the surface of aged tobacco. The method includes the two main steps of aged tobacco surface fungus enrichment and genome DNA extraction. Fungi are enriched through buffering solution soaking and gradient centrifugation, grinding and cell disruption are conducted by means of liquid nitrogen, and the DNA of the genome of fungi is extracted by means of a kit shown in the description. By means of liquid nitrogen grinding, fungal cell walls can be fully split, extraction efficiency of the DNA of the fungi is improved, the DNA isolation kit in the description includes the innovation patent inhibitor removal technology, and the yield of the genome can be effectively increased. The method can be used for efficiently and quickly extracting the DNA of the fungal genome on the surface of aged tobacco.
Owner:CHINA TOBACCO YUNNAN IND

High-activity Ni/ACP catalyst and preparation method and application thereof

The invention discloses a high-activity Ni / ACP catalyst and a preparation method and application thereof.Cellulose powder is selected as a raw material and subjected to carbonization and alkali activation to prepare a carrier ACP, then metal nickel is loaded on the carrier ACP through an impregnation method, and the high-activity Ni / ACP catalyst is obtained. The nickel-carbon catalyst shows excellent catalytic performance in catalytic hydrogenation of diphenyl ether and other lignin model compounds, C-O bonds in reactants can be effectively cracked, and finally the lignin model compounds are converted into high-added-value small-molecule chemicals and fuels.
Owner:CHINA UNIV OF MINING & TECH

Seamless expansion joint structure

The invention discloses a seamless expansion joint structure. The seamless expansion joint structure includes an expansion joint between two adjacent beam bodies, pavement layers are arranged on the beam bodies, a pre-reserved groove is formed between the two adjacent pavement layers; the seamless expansion joint structure further includes a covering plate arranged on the expansion joint, an expansion component is arranged on the upper part of the covering plate, the pre-reserved groove is filled with elastic-plastic bodies, and the top faces of the elastic-plastic bodies are flush with the top faces of the pavement layers. According to the seamless expansion joint structure, a bridge deck is smooth and seamless, automobile jumping is effectively avoided, driving comfort is improved, waterand waste can be prevented with high attractiveness, the cracking of the elastic-plastic bodies in the process of transformation can be prevented, and the impact of traffic loads to a bridge expansion joint is reduced; due to the fact that the seamless expansion joint structure can be applied in demands for larger expansion deformation, so the seamless expansion joint structure can be applied inlarge and middle scale bridges; and the structure is simple, the installation is convenient, the construction efficiency can be effectively improved, the service life is long, and the maintenance costis low.
Owner:中铁二十三局集团建筑设计研究院有限公司

Rock breaking device adopting aid of TBM high-voltage pulse water jet

InactiveCN110735646AEffective crackingSafe rock breakingTunnelsVoltage pulseElectric wire
The invention provides a rock breaking device adopting the aid of TBM high-voltage pulse water jet. The device comprises a water tank, a TBM water supply pipeline, a filter, a water supply pump, a hydraulic pressurizer, a rotator, a flow divider, a pulse water flow generation device, a tool disc, a controller, a conductive slide ring and a computer, wherein the hydraulic pressurizer, the water supply pump, the filter, the water tank and the controller are fixedly installed in a TBM main beam through bolts; the flow divider and the pulse water flow generation device are installed on the tool disc; and the components are connected through a high-pressure water conveying pipeline, a low-pressure water conveying pipeline, an electric wire or a signal wire. The rock breaking device adopting theaid of the TBM high-voltage pulse water jet has the following beneficial effects: a high-voltage pulse water jet beam is generated through the device to effectively crack rock, so that a tool is aided to efficiently and safely break the rock.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Multifunctional viscosity reducer and preparation method thereof

The invention belongs to the field of viscosity reduction, particularly relates to a multifunctional viscosity reducer and a preparation method thereof. The invention aims to overcome the problems of low viscosity reduction rate, fixed viscosity reduction rate and difficulty in cracking in the prior art. According to a scheme in the invention, the multifunctional viscosity reducer comprises the following components in parts by mass: 20 parts of water, 16 to 20 parts of a biological enzyme, 6 to 10 parts of nonylphenol polyoxyethylene ether, 6 to 10 parts of N-heterocyclic carbene iron, 6 to 10 parts of ethanol, 2 to 6 parts of a modified mixture, 2 to 5 parts of an additive and 2 to 5 parts of an auxiliary agent, wherein the modified mixture comprises modified sodium carbonate and surface soil of saline-alkali land. According to the invention, the multifunctional viscosity reducer can effectively decompose heavy oil and reduce the viscosity of heavy oil, is improved in viscosity reduction rate, can effectively improve the viscosity reduction rate along with the increase of temperature, the guarantees viscosity reduction effect on the heavy oil, and can effectively crack heavy components in the heavy oil and crack most of the heavy components in the heavy oil into light components.
Owner:禾棠(天津)环保技术开发有限公司
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