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Edge-functionalized graphitic material through mechanochemical process and manufacturing method thereof
InactiveUS20130018204A1High degree of commercializationRaise the potentialMaterial nanotechnologyOrganic compound preparationGas phaseMaterials science
Disclosed is an edge-functionalized graphitic material manufactured by using a mechanochemical process. The edge-functionalized graphitic material is manufactured by pulverizing graphite in the presence of a variety of atmospheric agents in the form of gas phase, liquid phase, or solid phase. The edge-functionalized graphitic material, which is a precursor applicable into various fields, is expected to replace the prior art oxidized graphite.
Owner:DEOKYANG ECO LTD
Biomass power plant flue gas purification treatment process and system based on dry-process desulfurization and low-temperature denitration
The invention relates to a biomass power plant flue gas purification treatment process and system based on dry-process desulfurization and low-temperature denitration (low-temperature SCR (Selective Catalytic Reduction)). The biomass power plant flue gas purification treatment process based on the dry-process desulfurization and the low-temperature denitration comprises the following steps: firstly, carrying out primary dust removal on dust-containing flue gas generated by combusting biomasses in a boiler, and keeping temperature of gas which is pre-treated by a cyclone dust collector (1) at about 215 DEG C; secondly, carrying out dry-process desulfurization purification treatment on the flue gas, which is subjected to the primary dust removal, in a desulfurization device (2); thirdly, treating the desulfurized flue gas by adopting a bag type dust collector (3); fourthly, conveying the gas into an SCR system (4) and carrying out denitration reaction to generate harmless nitrogen gas and steam; after recycling residual heat through a heat exchanger (5) and conveying the gas into a chimney (9) through a draught fan (8) and discharging to the atmosphere; fifthly, inputting smoke ash separated from the cyclone dust collector and the bag type dust collector into a concentrated ash silo (7) through a first bin pump pneumatic ash removal device (61) and a second bin pump pneumatic ash removal device (62) and storing.
Owner:SHANGHAI ELECTROMECHANICAL DESIGN & RES INST CO LTD
Integral equipment bay
ActiveCN104875760AHigh degree of commercializationShorten the time occupied by the assembly stationAxle-box lubricationRailway bodiesEngineering
The invention relates to an integral equipment bay which comprises a framework, a bottom plate, an end plate and an apron board, wherein the bottom plate, the end plate and the apron board are all fixedly arranged on the framework; the framework consists of an upper edge beam, a lower edge beam, multiple cross beams, multiple camber beams arranged between the upper edge beam and the lower edge beam, and end part brackets arranged at two ends; the upper edge beam and the lower edge beam are arranged along the vehicle length direction, and the multiple cross beams are arranged along the vehicle width direction; the upper edge beam, the camber beams, the lower edge beam, the cross beams and the end part brackets are fixedly connected with one another by virtue of fastening pieces; the upper edge beam is fixedly arranged on a vehicle body edge body by virtue of a fastening piece. <0}{0><}0{>According to the integral equipment bay, an overall equipment bay module can be preassembled by virtue of toolings offline; during entrucking, the overall equipment bay module is connected with the vehicle body edge beam, so that the entire car assembling table bit occupation time is shortened, and the entire car assembly efficiency and the equipment bay commercialization degree are greatly improved.
Owner:CRRC QINGDAO SIFANG CO LTD
Three-resistant compound microbial fertilizer and preparation method thereof
InactiveCN101973817ALong validity periodHigh degree of commercializationFertilizer mixturesBacillus licheniformisPotassium
The invention belongs to the field of fertilizer, and particularly relates to a three-resistant compound microbial fertilizer and a preparation method thereof. The three-resistant compound microbial fertilizer is prepared from plenty, medium and trace elements nitrogen, phosphorus, potassium, compound fertilizer, paraffin, associated nitrogen fixing bacteria, phosphorus solubilizing bacteria, potassium solubilizing bacteria and bacillus such as brevibacillus laterosporus, bacillus cereus, bacillus subtilis and bacillus licheniformis by compounding. The molten liquid paraffin is used for enveloping, and the molten paraffin doped with complex microbial inoculants is used for secondary enveloping. In the invention, live microbial products are added into the conventional compound fertilizer and provide direct or indirect nutrient elements to the plants through the movement of the microbial inoculants, while improving the soil fertility, activating the soil, enhancing the stress resistance of the crops, and solving the problems of soil fertility reduction, soil hardening, nutrient unbalance and lack of stress resistance of the crops; moreover, the invention has long period of validity, resists high temperature, acid-base and dryness, is nontoxic and harmless to people and livestock, and can prevent and control pests, deal with the pieces of paddy field without lodging and obviously increase the yield.
Owner:李林
Method for preparing amellia pancake multi-resistance organic fertilizer
InactiveCN101423437AFull of nutritionHigh degree of commercializationBio-organic fraction processingClimate change adaptationInsect pestOrganic fertilizer
The invention relates to a method for preparing a multi-resistance organic fertilizer of tea seed cake and belongs to the technical field of ecological organic fertilizer. The method is characterized in that the formula comprises the following raw materials in weight percentage: 20 to 25 percent of camellia seed cake, 8 to 12 percent of beer residue, 3 to 8 percent of citric acid multibacteria, 3 to 8 percent of potassium sulfate, 9 to 15 percent of calcium magnesium phosphate fertilizer, 0.1 percent of active biological fermenting agent, 3 to 8 percent of tobacco rod, 30 to 40 percent of carrier and 3 to 10 percent of water. The method has long and stable fertilizer effect, can improve soil, is biological, environment-friendly and relatively time-saving and labor-saving in fostering, collecting and composting the fertilizer, has good lodging resistance and plant disease and insect pest resistance and high commercialization degree, can be widely applied to the production of a harmless green farm product, and is in particular suitable for the production of an AA-grade and an A-grade green healthy farm products.
Owner:郴州邦尔泰苏仙油脂有限公司
Gas chromatography-tandem quadrupole mass spectrometry analysis method of soil / sediment organophosphate flame retardant
The present invention relates to an analysis method of soil / sediment organophosphate flame retardant, and belongs to quantitative analysis method of organic pollutants in the field of analytical chemistry. The method tests eight organophosphate in a soil / sediment solid-phase sample. The method is as below: freeze-drying, grinding and sieving the sample, storing the sample in a glass vial (4 DEG C); extracting by an oscillation and ultrasonic method; and purifying by Florisil column for pretreatment. The method is simple for sample pretreatment, and uses short time and less solvent; gas chromatography-tandem quadrupole mass spectrometer is used for qualitative and quantitative determination of eight organophosphates, and achieves good separation of all the target substances within 19 min. the object recovery is 80%-120% (except triethylphosphate of 72.9%), and the detection limit is 0.31-64.51ng / L; and the method has good precision and accuracy.
Owner:TONGJI UNIV
Lifting assisting device of toilet bowl
InactiveCN105769033AStrong humanizationImprove comfort and safetyBathroom accessoriesCurrent ageOlder people
The invention relates to an improved assisting device of a toilet bowl, and discloses a lifting assisting device of a toilet bowl.The lifting assisting device is characterized in that a U-shaped bottom plate (6) or base frame is horizontally arranged on the ground and is positioned at the front of the toilet bowl; supporting seats (5) are arranged in the middle of the front of the bottom plate (6) or base frame, a U-shaped tube (4) is serially nested in shaft holes, straight rods of the U-shaped tube (4) are rotationally connected with long supporting rods (10) in a crossed manner, the upper ends of the long supporting rods (10) are rotationally connected to the front of a toilet bowl seat (1), and the lower ends of the long supporting rods (10) are supported at the rear of the bottom plate (6) or base frame; extending ends of the straight rods of the U-shaped tube (4) are rotationally connected with the lower ends of short supporting rods (11), and the upper ends of the short supporting rods (11) are rotationally connected to the middle of the toilet bowl seat (1).The lifting assisting device has the advantages that the lifting assisting device can assist old people or persons with injured legs to stand up, sit down and then stand up again when the old people or the persons with the injured legs go to toilets, and the height and forward inclination lifting angles of the lifting assisting device can be changed; the lifting assisting device is simple in structure, low in cost and convenient to mount, is portable and is an indispensable assisting product which is adaptive to the current aging era and can improve the living quality.
Owner:高峰
Method for analyzing and determining organics persistently containing chlorine in aquatic product
InactiveCN101813677AHigh degree of commercializationMature technologyComponent separationPreparing sample for investigationMuscle tissueAquatic product
The invention discloses a method for analyzing and determining organics persistently containing chlorine in an aquatic product, and the method comprises the following steps of: A) drying and grinding muscle tissues in the aquatic product; B) Soxhlet extraction; C) gel permeation chromatographic purification; D) degreasing by concentrated sulfuric acid; E) chromatography by a Florisil chromatographic column; and F) determining the organics persistently containing chlorine by a gas chromatography method. In the method, sample extraction and purification operation are simple, the solvent consumption is little, the analysis speed is fast, both properties and quantities of 40 types of organics persistently containing chlorine can be determined accurately, the detection limits are low, the sensitivity is high, and the detection limits are all lower than 4ng / g-lw.
Owner:TONGJI UNIV
Shafting dynamic and static characteristic analysis calculating system of large steam turbine generator unit
ActiveCN104376157APrevent crashComplete and reliable operationSpecial data processing applicationsElevation dataEngineering
The invention relates to a shafting dynamic and static characteristic analysis calculating system of a large steam turbine generator unit to solve the problems that an existing computing system is low in computing result precision and working efficiency. The system comprises a modeling module used for establishing a rotor mechanical model; a bearing analysis module used for calling data of the rotor mechanical model of the modeling module and bearing loads and elevation data of a static analysis module, calculating steady state data and the dynamics coefficient of a bearing and storing the dynamics coefficient; a dynamic analysis module used for calling the data of the rotor mechanical model of the modeling module, the shaft load data of the static analysis module and the dynamics coefficient of the bearing analysis module and analyzing the critical rotating speed and the unbalanced response of a rotor and the rotor stability; the static analysis module used for calling the data of the rotor mechanical model of the modeling module and carrying out front calculation through the bearing analysis module and the dynamic analysis module. The shafting dynamic and static characteristic analysis calculating system is applied to the field of large turbines.
Owner:HARBIN TURBINE +1
Method and apparatus for infrared laser atmospheric scattering communication
InactiveCN1933372ASuitable for field workSuitable for mobilityFree-space transmissionOptical transmitterElectric signal
A method for carrying out atmosphere scattering communication of infrared laser can realize nonvisual light communication through amplification shaping and electric signal processing after infrared laser emitted by light emitter and infrared laser system then modulated by signal is atmosphere-scattered and after scattered infrared laser is received by infrared waveband light detector with large receiving angle on light receiver. The device for realizing said method is also disclosed.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Process for synthesizing 9, 9-bisubstituted-2, 7-dibromo fluorene or 9, 9-bisubstituted fluorene
InactiveCN1629113AReduce molecular defectsHigh yieldHydrocarbon from saturated and unsaturated hydrocarbon additionHalogenated hydrocarbon preparationNitrogenNitrogen gas
The invention discloses a process for synthesizing 9,9-bisubstituted-2,7-dibromo fluorene or 9,9-bisubstituted fluorine which consists of, under the condition of waterless, anaerobic and nitrogen protection, charging tetrahydrofuran solution of halogenated alkyl group compound into the tetrahydrofuran solution of metallic alkoxylated compound, or 2, 7-dibromo fluorine (or fluorine) for reaction, or charging the tetrahydrofuran solution of halogenated alkyl group compound and 2, 7-dibromo fluorine (or fluorine) into the tetrahydrofuran solution of metallic alkoxylated compound for reaction.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Amino acid organic fertilizer and preparation method thereof
InactiveCN101648826AImprove fertilizer efficiencyBalanced and long-lasting fertilizer effectOrganic fertilisersAnimal proteinOrganic fertilizer
The invention relates to a new amino acid organic fertilizer and a preparation method thereof. The amino acid organic fertilizer is prepared from the following raw materials in parts by weight: 6-8 parts of animal protein organic raw material which is produced through industrial processing, 2-4 parts of humic acid powder and 2-2.5 parts of water, wherein the animal protein organic raw material isprepared from the following raw materials in parts by weight: 4-5 parts of skin and flesh bone meal and 2-3 parts of feather powder. The preparation method comprises the following steps: adding waterin skin and flesh bone meal and feathers of chickens, ducks and geese to stew at high temperature for 2-6h under the pressure of 0.4-0.9MPa, grinding the prepared animal protein organic raw material,mixing 6-8 parts of the animal protein organic raw material and 2-4 parts of humic acid powder by weight evenly, using a ball forming mill and adding water in the ball forming mill to form balls, sending the obtained balls to a dryer to dry, using a cooling machine to cool, using a sieving machine to sieve and obtaining the product. The product can be used along with biological fungi and has better effect.
Owner:SHAOYANG YUEGANG AGROCHEM
Quick detecting method for formaldehyde content in aquatic product
InactiveCN103217419AGuaranteed food safetyEasy to operateMaterial analysis by observing effect on chemical indicatorShake upAquatic product
The invention discloses a quick detecting method for formaldehyde content in an aquatic product. The quick detecting method comprises the following steps: (1) preparing a Schiff reagent; (2) making a standard color chart, namely respectively adding 5mL formaldehyde solutions with different concentrations to 8 different colorimetric tubes, respectively adding a 0.5mL Schiff reagent to the colorimetric tubes, adjusting the pH of the solutions to 2.5, shaking up the solutions, stewing and developing for 10 minutes, and making the color chart by taking colors displayed by the solutions as standard colors; and (3) detecting, namely extracting a 5mL soak solution of an aquatic product sample to be detected, adding a 0.5mL Schiff reagent to the soak solution, adjusting the pH of the solution to 2.5, shaking up the solution, stewing and developing for 10 minutes, and comparing the color displayed by the solution with standard colorimetric splines. The quick detecting method disclosed by the invention has the characteristic that the formaldehyde and the Schiff reagent react at a normal state to generate a purple-red compound, and the shade of the compound is in direct proportion to formaldehyde content so as to realize colorimetric assay. The quick detecting method has the advantages of simple and quick operation, high sensitivity, simple conditions, low reagent price, and the like.
Owner:SHAANXI UNIV OF TECH
Method for manufacturing rice straw fermented feed
PendingCN106615611AConvenient storage and transportationHigh degree of commercializationFood processingAnimal feeding stuffBiotechnologyCellulase
The invention discloses a method for manufacturing rice straw fermented feed. The method mainly includes steps of A, collecting rice straw and smashing the rice straw; B, activating lactic acid bacteria and cellulase; C, preparing bacterium enzyme molasses aqueous solution with the concentration of 2%; D, mixing the rice straw and traditional Chinese medicine residues with one another to obtain mixtures and spraying the bacterium enzyme molasses aqueous solution on the mixtures; E, bailing, wrapping, stocking and storing mixed straw. The method has the advantages that the method is simple and is low in manufacturing cost, the fermented feed manufactured by the aid of the method is easy to store and transport and high in commercialized degree, and matched forage grass and feed supply requirements for rapidly developing grass-feeding livestock can be met.
Owner:INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
Cultivation method of agate red cherries
InactiveCN106922459APromote resultsEarly resultsCultivating equipmentsAnthriscus cerefoliumEconomic benefits
The invention relates to a cultivation method of agate red cherries. The cultivation method of agate red cherries comprises the following steps: seedling selection, planting density, fixed planting period, preparation before plantation, fixed planting of nursery stock, intercropping and grass generation, shaping and pruning, fruit and fruit management and disseat and pest control. The cultivation method of agate red cherries has the following beneficial effects: standardized production of agate red cherries is achieved such that yield and quality of cherries are effectively ensured; fruit quality is good; commercial degree is high; and economic benefit is ensured.
Owner:纳雍县万寿玛瑙红樱桃有限公司
Method for making full-time grains of herbivorous animals with crop straws
InactiveCN107198019ARealize the utilization of feedHigh degree of commercializationFood processingAnimal feeding stuffAnimal scienceHigh energy
The invention discloses a method for making full-time grains of herbivorous animals with crop straws. The method comprises the following steps: taking the crop straws as main raw materials and performing high-temperature and high-pressure gas explosion on the crop straws, so as to obtain a high-energy straw composite feed semi-finished product; adding corns, bean pulp and accessories that are 10-20%, 5-15% and 2-7% of the weight of the crop straws respectively into the semi-finished product, fully and uniformly stirring the mixture and performing extruding granulation or briquetting, so as to obtain a finished product. According to the method, cell walls of the crop straws are destroyed by adopting a high-temperature and high-pressure gas explosion method, so that neutral detergent fibers in the crop straws can be remarkably decreased, and cellulose and hemicellulose rich in the crop straws can be more effectively utilized; compared with the traditional full-time grains of the herbivorous animals, the full-time grains of the herbivorous animals, which are made by the method disclosed by the invention, is low in cost and high in energy efficiency and has a nutrient structure which is more suitable for ruminants such as cattle, sheep and the like, and grains used for fodder can be greatly decreased.
Owner:安徽康桥生物科技有限公司
Novel micro nano fiber Bragg grating refractive index sensor
ActiveCN110196070ARealize simultaneous measurementLow costPhase-affecting property measurementsThermometers using physical/chemical changesFiber Bragg gratingRefractive index
The invention discloses a novel micro nano fiber Bragg grating refractive index sensor, which comprises a broadband light source, an optical coupling element and a micro nano fiber Bragg grating connected in sequence, and a wavelength detecting unit connected to the optical coupling element, wherein optical signals emitted by the broadband light source are incident on the micro nano fiber Bragg grating through the optical coupling element, is reflected by the micro nano fiber Bragg grating and is then incident to the optical wavelength detecting unit through the optical coupling element; and the micro nano fiber Bragg grating has multiple higher harmonic reflection signals, the difference in sensitivity of the wavelength of each harmonic reflection signal to the ambient refractive index isdifferent from the sensitivity to the ambient temperature, and the ambient refractive index and the temperature can be measured at the same time. The novel micro nano fiber Bragg grating refractive index sensor has the advantages that the structure is compact, the cost is low, the making efficiency is high, effective bandwidth occupation is reduced, and the realization method is simple.
Owner:JINAN UNIVERSITY
Modeling method for plant building
The invention belongs to the technical field of garden modeling and discloses a modeling method for a plant building. The modeling method includes step S1 of manufacturing and fixing a framework die;step S2 of selecting and planting suitable plants; step S3 of cutting off the plants, treating the cross sections, and screening and shearing off tender shoots that grow in the cross sections; step S4of repeating step S3, so that a plurality of thin branches with uniform thicknesses are formed on the cross sections; and step S5 of weaving and binding the thin branches of the adjacent plants alongthe framework die so that the modeling of the plant building is made perfect. The modeling method makes the overall forming time short, is high in commercialization degree, facilitates rapid batch cultivation, transportation and cultivation, avoids the damage during transportation, and avoids the scraping of the whole building caused by the death of one plant, and is economical and practical andsuitable for promotion.
Owner:成都千蜀农业发展有限公司
Heating type electro-chemical trace amount detection pool integrated on conductive glass
InactiveCN101482534AHigh sensitivityReduce volumeMaterial electrochemical variablesAcid etchingThin layer
The present invention relates to a heating type electrochemical trace detection pool integrated on a conductive glass, comprising a conductive glass with a conductive layer on the surface, characterized in that: the conductive layer of the conductive glass is subjected to acid etching into three parts which are isolated from each other, respectively as a working electrode, an auxiliary electrode and a reference electrode to form a full ITO three-electrode system; wherein the ITO working electrode is connected with a heating circuit to raising the temperature of the working electrode; an insulation thin layer is covered above the ITO three-electrode system and a tree-electrode connection port and a detection pool port are provided on the insulation thin layer and a sealing cam for blocking the edge of the detection pool is set between the lower side of the insulation thin layer and the edge of the detection pool. The detection pool has features of high integration degree, compactness, simple manufacture technique, low cost and repeated use.
Owner:FUZHOU UNIV
Steel structure simple house capable of being rapidly dismounted and mounted
InactiveCN106988426AFactory highImprove completenessBuilding constructionsBrickArchitectural engineering
The invention discloses a steel structure simple house that can be quickly disassembled and assembled in the technical field of steel structures, which includes a frame, a support rod is installed on the top of the frame, a sliding block is sleeved on the support rod, and the left and right sides of the sliding block The side is movably connected with a bracket, the left side of the bracket is movably connected with the first roof, the right side is movably connected with the second roof, the first roof and the second roof are connected by hinges, and the first roof and the second roof are movably connected. The bottom of the second roof is connected with a support column, and the bottom end of the support column is fixed to the top of the frame. The light steel structure fittings of the present invention have a high degree of industrialization and mechanization, a high degree of commercialization, and a fast on-site construction speed without affecting It is conducive to civilized construction to nearby residents. Compared with traditional brick-concrete structure houses, the wall thickness is smaller, which can increase the effective use area, and the light steel structure houses are light in weight and have good shock absorption performance.
Owner:华新顿现代钢结构制造有限公司
Rice aquaporin gene OsPIP2;7 plant expression vector and application thereof
InactiveCN107653265ASolve the problem of inaccurate detected expressionHigh degree of commercializationBiological material analysisPlant peptidesProtein targetEnzyme digestion
The invention relates to a rice aquaporin gene OsPIP2;7 plant expression vector and application thereof. The plant expression vector is pHB-OsPIP2;7-3*HA. The nucleotide sequence of the plant expression vector is as shown in SEQ ID NO.1, and the coded amino acid sequence is as shown in SEQ ID NO.2. The terminator sequence of a gene OsPIP2;7 is replaced with a base sequence of a 3*HA tag, the modified OsPIP2;7-3*HA gene sequence is inserted into a cloning vector pMD19-T simple vector and is bonded to Hind III and Xba I loci of a binary vector pHB after double enzyme digestion of Hind III and Xba I, and the plant expression vector is obtained. After the plant expression vector is used for transforming plants, a target protein OsPIP2;7 is greatly expressed in the plants, introduction of the 3*HA tag solves the problem that in the experiment process that an aquaporin antibody is used for detecting the expression quantity of the target protein, a large quantity of homologous proteins are detected and accordingly the detection quantity of OsPIP2;7 is not accurately, and experiment bases are provided for research of new functions of OsPIP2;7.
Owner:天津市农作物研究所
Synthesis and application of fluorescent probe for detecting diethyl chlorophosphate
PendingCN111808130ALow costCorrosion resistanceSilicon organic compoundsFluorescence/phosphorescenceDiethyl phosphateFluoProbes
The invention discloses synthesis and application of a fluorescent probe for detecting diethyl chlorophosphate. A 1, 1 '-binaphthol structure based silicon compound fluorescent probe is synthesized. The silicon-containing compound fluorescent probe can realize specific detection of diethyl chlorophosphate serving as a war poison stimulant; the response speed is high, the detection limit is low; the light-emitting wavelength is long; the commercial degree is high; the cost required by probe synthesis is greatly reduced; the invention further discloses an application method of the fluorescent probe for detecting diethyl chlorophosphate based on normalization processing data. A miniature spectrum analyzer, an excitation light source and a computer are adopted to carry out signal transmissionthrough a signal transmission optical fiber, unique advantage of electromagnetic interference resistance is achieved, the optical fiber probe has the advantage of corrosion resistance, due to the accuracy of optical signals, the sensor is different from conventional naked eye observation, and the sensor has the advantage of being high in diethyl chlorophosphate steam detection accuracy.
Owner:SOUTHWEST JIAOTONG UNIV
Carrier jointed board feeding and discharging equipment
ActiveCN112193812ACompact structureSmall footprintConveyor partsStructural engineeringMechanical engineering
The invention provides carrier jointed board feeding and discharging equipment. The carrier jointed board feeding and discharging equipment comprises a jointed board feeding mechanism, a jointed boarddischarging mechanism, a shifting mechanism, a material distributing and collecting subassembly and an uncovering gripper mechanism, wherein the uncovering gripper mechanism is used for moving an unbuckled full-carrier jointed board from the jointed board feeding mechanism to the jointed board distributing position, moving a carrier-free jointed board from the jointed board distributing positionto a jointed board receiving position, and moving a buckled full-carrier jointed board from the jointed board receiving position to a jointed board discharging mechanism; the carrier jointed board comprises a lower cover and an upper cover which can be locked through a locking mechanism and further comprises a plurality of carriers arranged between the lower cover and the upper cover, and the uncovering gripper mechanism is provided with a cover opening mechanism suitable for opening the locking mechanism. High-automation carrier jointed board feeding and discharging can be achieved, inlet andoutlet of the carrier jointed board do not interfere with the automatic buckling procedure, the parallelization degree is high, and the production efficiency can be improved; and the equipment is more compact, so that the yield per unit area is increased.
Owner:NINGBO SUNNY OPOTECH CO LTD
Novel hand-slip preventive brake pull rod for railway truck
ActiveCN104608794AAvoid failureAvoid affecting driving safetyRail brake actuationStress concentrationEngineering
The invention discloses a novel hand-slip preventive brake pull rod for a railway truck. The novel hand-slip preventive brake pull rod comprises a hand-slip preventive guide frame, a pull rod head and a pull rod. Guide grooves are formed in the hand-slip preventive frame along the vertical direction of the hand-slip preventive frame, a carrier roll is arranged on the lower portion of the hand-slip preventive frame, a hand-slip preventive groove is formed in the pull rod head along the horizontal direction of the pull rod head, the pull rod head is arranged on the carrier roll and is connected with the hand-slip preventive guide frame by a hand-slip preventive pin which penetrates the guide grooves and the hand-slip preventive groove, and an end of the pull rod is fixedly connected with a tail groove of the pull rod head. The novel hand-slip preventive brake pull rod has the advantages that problems of clamping stagnation due to the fact that an existing hand brake pull rod for a railway truck slips out of an existing carrier roll at a sudden sectional change position of round steel and breakage of the existing hand brake pull rod due to fatigue and stress concentration at a sectional sudden change position of the tail of the existing hand brake pull rod can be effectively solved by the aid of the novel hand-slip preventive brake pull rod; the pull rod head still can be fixed onto the hand-slip preventive guide frame by the aid of the hand-slip preventive pin even if the tail of the pull rod is accidentally broken, a rod body of the integral pull rod head can be supported by the carrier roll without falling off, and accordingly the driving safety can be guaranteed.
Owner:CRRC MEISHAN
Short-period efficient all-male pelodiscus sinensis fry breeding method
InactiveCN111727934AGuaranteed normal hatchingGood hatch speedMicrobiological testing/measurementAnimal husbandryAnimal scienceEggshell
The invention relates to an all-male pelodiscus sinensis fry breeding technology, in particular to a short-period efficient all-male pelodiscus sinensis fry breeding method. The method comprises the steps of pelodiscus sinensis egg temperature control hatching, pelodiscus sinensis egg estrogen treatment, young pelodiscus sinensis greenhouse breeding, pseudo-female pelodiscus sinensis screening andparent pelodiscus sinensis pond breeding, wherein the pelodiscus sinensis egg hatching temperature is controlled to be 28+ / -1 DEG C in the pelodiscus sinensis egg temperature control hatching; the pelodiscus sinensis egg estrogen treatment is that an estradiol solution is dropwise added to the eggshell surface closest to the embryo position in each of 15-18 time periods of pelodiscus sinensis embryo hatching; and a fluorescent quantitative PCR technology is adopted in the pseudo-female pelodiscus sinensis screening. According to the method, a sex hormone dropwise adding and pseudo-female pelodiscus sinensis induction technology is adopted, the operation is easy, the conversion rate is high, the sexual maturity period is greatly shortened through the young pelodiscus sinensis greenhouse breeding, and pseudo-female pelodiscus sinensis screened out through the fluorescent quantitative PCR technology are normally mated with original male pelodiscus sinensis to obtain all-male pelodiscus sinensis fries. The all-male pelodiscus sinensis fry breeding method provided by the invention is short in period and high in commercialization degree, and economic benefits can be remarkably improved.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Tubular bag type fluidized bed device for bulk powder material tank truck
ActiveCN101966901ASolve the problems exposed in the applicationReduce void volumeLarge containersTank truckEngineering
The invention relates to a material conveying device, in particular to a tubular bag type fluidized bed device for a bulk powder material tank truck, which overcomes the shortcomings of the conventional large-chute type fluidized bed device. The tubular bag type fluidized bed device comprises a chute type fluidized bed consisting of tilting fluidized bed surfaces, wherein a master air chamber is arranged below the tilting fluidized bed surfaces; each tilting fluidized bed surface comprises a fluidized bed plane, a fluidized bed slope and a lateral bevel board which are laid by fluidized bed components; the fluidized bed component comprises a hollow tube bag type air chamber which is formed by connecting an air permeation layer and an enclosed later and provided with a corrugated lining plate; and one end of the hollow tube bag type air chamber of each fluidized bed component is provided with a blast pipe communicated with the master air chamber and the other end of the hollow tube bag type air chamber is sealed by a trim strip. The fluidized bed device fully utilizes the tank space, reduces the center of gravity for car loaded, increases the load, reduces the tank capacity, increases the effective load volume; increases the fluidization area, facilitates the fluidization of the bulk materials, increases the unloading speed, and has the characteristics of convenience and safety of operation, good working condition and the like.
Owner:CRRC TAIYUAN CO LTD
Method for quickly preparing precious metal parts at low temperature
The invention provides a method for quickly preparing precious metal parts at a low temperature. The method comprises the steps as follows: designing a die based on the overall dimension of a pre-formed precious metal parts; feeding the raw material which is the precious metal powder into the die; carrying out press molding at 10 to 100MPa firstly; and then transferring into an electric spark ion sintering device; heating to reach the temperature of sintering by controlling the heating rate under a vacuum or common protective atmosphere condition; and keeping the temperature for a certain time so as to obtain the formed precious metal parts. Compared with the existing preparation method of precious metal parts, the method can prepare the precious metal parts by once sintering; and by adopting the method, the sintering temperature can be greatly reduced, the preparation speed can be raised, and the obtained parts is uniform and has high density; and the method is a simple and practicable preparation method which has low cost and has commercial application value.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Method for quickly preparing precious metal parts at low temperature
The invention provides a method for quickly preparing precious metal parts at a low temperature. The method comprises the steps as follows: designing a die based on the overall dimension of a pre-formed precious metal parts; feeding the raw material which is the precious metal powder into the die; carrying out press molding at 10 to 100MPa firstly; and then transferring into an electric spark ion sintering device; heating to reach the temperature of sintering by controlling the heating rate under a vacuum or common protective atmosphere condition; and keeping the temperature for a certain time so as to obtain the formed precious metal parts. Compared with the existing preparation method of precious metal parts, the method can prepare the precious metal parts by once sintering; and by adopting the method, the sintering temperature can be greatly reduced, the preparation speed can be raised, and the obtained parts is uniform and has high density; and the method is a simple and practicable preparation method which has low cost and has commercial application value.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Electric charge transmission type conjugated polymer emitting blue light
InactiveCN101456948ALuminous Chromaticity PureThe preparation method is classicLuminescent compositionsSolubilityElectronic transmission
The invention relates to a blue light emitting charge-transfer typed conjugated polymer, which is formed by using the 1, 4-bistyryl benzene with determined conjugated chain length as a luminous structural unit, using thienyl, 1, 3, 4-thiadiazole, 1, 3, 4-furodiazole, pyridyl or bipyridyl as an electronic transmission structural unit, and connecting the luminous structural unit with the electronic transmission structural unit through a diphenyl ether structure. Furthermore, the alkyl chain length of the 2, 5-dialkoxy on the luminous structural unit can be adjusted to change the Tg of the conjugated polymer of the invention and change the solubility performance of the conjugated polymer in different organic solvents.
Owner:HUAIHAI INST OF TECH
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