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46results about How to "Stable productivity" patented technology
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Production line of electromagnetic heating corrugated board
InactiveCN101830082AImprove insulation performanceGood heat insulationMechanical working/deformationProduction lineWorking environment
The invention discloses a production line of an electromagnetic heating corrugated board. The electromagnetic heating corrugated board comprises a base paper support (1), a tissue paper preheater (2), a single-side machine (3), a core paper preheater (4) and a base paper support (70) which are sequentially arranged from front to back, wherein the upper ends of the base paper support (1) and the base paper support (70) are provided with a paper-passing platform bridge (63), the tissue paper preheater (2) and the core paper preheater (4) both comprise two parallel wallboards (12) between which a preheating roller (13) and a paper guiding roller (14) are arranged, an insulating layer (15), a coil (16) and a heat insulating layer (17) are sequentially arranged in the preheating roller (13) from outside to inside, and the coil (16) and a variable frequency power supply are connected to form a conducting loop. The invention has the advantages of energy saving, environmental protection, small influence on working environment, high heating speed, convenient control, long service life, low maintenance expense, stable production performance, safety and reliability and easy generalization and application.
Owner:河南远航包装机械有限公司
Combustion-restricted layer material applied to NEPE (Nitrate Ester Plasticized Polyether) propellant and preparation method of combustion-restricted layer material
ActiveCN104277754AIncrease production capacityStable productivityNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesHigh energyAdhesive
The invention discloses a combustion-restricted layer formula applied to an NEPE (Nitrate Ester Plasticized Polyether) propellant. The combustion-restricted layer formula comprises the following components in percentage by mass: 51-74 percent of adhesive, 9-12 percent of a curing agent, 8-22 percent of reinforcing filler, 3-5 percent of an anti-aging agent, 5-8 percent of a network regulator and 1-2 percent of a curing catalyst, wherein the adhesive refers to a hydroxyl-terminated polymer; the curing agent refers to an isocyanate compound; the reinforcing filler refers to an inorganic compound; the anti-aging agent refers to an aromatic compound; the network regulator refers to a compound which contains at least two functional groups; and the curing catalyst refers to an organic metal compound. The combustion-restricted layer formula disclosed by the invention has the characteristics of good processing property, room temperature curing property, adjustable curing time and excellent overall performance and is applied to end face cladding of a high-energy propellant engine.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
Narrow-hardenability high-temperature fine grain MnCr gear steel and preparation method thereof
InactiveCN110952022ANarrow hardenability bandwidthReduce distortionTemperature control deviceMetal rolling arrangementsFine grainHardenability
The invention discloses narrow-hardenability high-temperature fine grain MnCr gear steel. The narrow-hardenability high-temperature fine grained MnCr gear steel comprises the following components in percentage by weight: 0.19%-0.21% of C, 1.25%-1.35% of Mn, 0.20-0.30% of Si, 1.20%-1.30% of Cr, less than or equal to 0.020% of P, 0.010%-0.025% of S, 0.013%-0.02% of N, 0.034-0.050% of Al, less than or equal to 0.0015% of [O], less than or equal to 0.0002% of [H], and the balance iron and inevitable impurity elements. The invention further discloses a preparation method for the gear steel. The gear steel has the advantages of low cost, high-temperature fine grains, high purity, narrow hardenability, stable performance, and can ensure that the hardenability bandwidth of the steel is narrow, quality of the rolled surface of the steel is good, and the grains are small.
Owner:宝钢特钢长材有限公司
Yogurt fermentative lactic bacteria combination and fermenting agent
The invention discloses a yogurt fermentative lactic bacteria combination and a fermenting agent, belonging to the technical field of fermentative milk product preparation. The yogurt fermentative lactic bacteria combination consists of streptococcus thermophilus and lactobacillus bulgaricus; the streptococcus thermophil comprises at least two different strains; the production properties of the two different strains are complementary to each other, and the production property is the acid production capability, the viscosity production capability and the antiphagin capability; or the streptococcus thermophilus comprises at least two different strains, the acid production capability and the viscosity production capability of the two different strains are complementary to each other, and the antiphagin mode of different strains is different. According to the fermenting agent prepared by adopting the yogurt fermentative lactic bacteria combination, the streptococcus thermophilus strains with different performance advantages are compounded, the production property is good and stable, the fermenting time is shortened, the bacteriophage pollution in the production environment is alleviated, the practicability is strong, and the prepared fermented product is good in taste, viscosity and flavor and high in quality.
Owner:武汉光明乳品有限公司
Application of Lactobacillus casei fermentation liquor to feeds
ActiveCN103202386AGood antibacterial effectGood fermentation effectBacteriaMicroorganism based processesBacilliNutritional composition
The invention relates to application of Lactobacillus casei fermentation liquor to feeds, wherein the collection name of the Lactobacillus casei is Lactobacillus casei lyT-7, the collection unit is China Center for Type Culture Collection (CCTCC), and the collection number is CCTCC M2010197. 10 tons of Lactobacillus casei fermentation liquor obtained through fermentation is dried via spray and then added into detoxified rapeseed meal to prepare the feed additive with microbial content of the Lactobacillus casei being 109 living bacteria / g. After candida and the Lactobacillus casei for fermentation are utilized, not only is the role of detoxification played, but also the content of rapeseed meal protein and the nutritional ingredient of the rapeseed meal are improved; and when the Lactobacillus casei is applied to conventional feeds, the piglet feeding experiments prove that the survival rate, the disease resistance and the weight increment effect are effectively improved.
Owner:SICHUAN UNIV
Method for extracting rutin from sophora japonica on basis of deep eutectic solvents (DESs)
ActiveCN106046082AImprove solubilitySimple operation processSugar derivativesSugar derivatives preparationSolubilitySolvent
The invention belongs to the technical field of extraction processes, and discloses a method for extracting rutin from sophora japonica on the basis of deep eutectic solvents (DESs). The method comprises the following steps: heating aqueous deep eutectic solvents (DESs) and sophora japonica with stirring to perform extraction so as to obtain an extracting solution, and carrying out separation and purification to obtain the rutin. By utilizing the DESs obtained by mixing choline chloride and triglycol to perform extraction, since the DESs can severely damage the cell walls of the natural product sophora japonica, the target product rutin is sufficiently released, thereby obviously enhancing the solubility of the rutin in the solvent, and obviously enhancing the extraction efficiency as compared with the traditional extraction solvent. The DESs are easy to prepare, have the advantages of low volatilization tendency, high heat stability, low melting point and the like, and can lower the air pollution and the human body injury to the production personnel caused by solvent volatilization to some extent. The method has the advantages of simple operating technique, mild conditions, environment friendliness and the like.
Owner:SOUTH CHINA UNIV OF TECH
Material transferring and automatic batching system and process for traditional Chinese medicine pretreatment
ActiveCN110422635ATimely storageNeatly stackedConveyorsStorage devicesCollection systemControl system
The invention relates to a material transferring and automatic batching system and process for traditional Chinese medicine pretreatment, and belongs to the technical field of pretreatment in the traditional Chinese medicine industry. The system comprises a dense warehouse feeding system, an automatic batching system, a material ex-warehouse discharging system, a empty material box collecting system, an information tracing system and an automatic controlling system, wherein the dense warehouse feeding system, the automatic batching system, the material ex-warehouse discharging system and the empty material box collecting system are sequentially connected by a conveying line device and are electrically connected with the automatic controlling system. According to the material transferring and automatic batching system and process for traditional Chinese medicine pretreatment, the labor intensity of operators, the requirements for professional skills of the operators, the production costand the risk of misoperation of the operators are reduced; the reliability of the system and the utilization rate of a production operation area are improved; the digitized, standardized and normalized management of a production workshop are realized; and implementing is simple, the production performance is stable and the operability is high.
Owner:KUNMING CHINESE MEDICINE FACTORY
Atmosphere corrosion resisting steel belt for railroad car and preparation method of atmosphere corrosion resisting steel belt
The invention discloses an atmosphere corrosion resisting steel belt for a railroad car. The atmosphere corrosion resisting steel belt for the railroad car comprises, by mass, 0.05-0.07% of C, 0.15-0.25% of Si, 1.2-1.4% of Mn, no more than 0.015% of P, no more than 0.006% of S, 0.22-0.32% of Cu, 0.008-0.018% of Ti, 0.20-0.30% of Ni, 0.40-0.50% of Cr, and 0.025-0.035% of Nb. The invention further discloses a preparation method of the atmosphere corrosion resisting steel belt for the railroad car. The steel belt obtained through the method has good comprehensive mechanical performance and welding performance.
Owner:INNER MONGOLIA BAOTOU STEEL UNION
Electrode foil expansion face corrosion method for alternating-current motor starting capacitor
InactiveCN104078241AReduce the temperatureReduce lossElectrolytic capacitorsElectrolytic agentVoltage range
The invention discloses an electrode foil expansion face corrosion method for an alternating-current motor starting capacitor. The electrode foil expansion face corrosion method includes the steps of electronic aluminum foil selection and electronic aluminum foil corrosion and is characterized in that electronic aluminum foil is medium and high voltage electronic aluminum foil with the thickness of 85 microns; the electronic aluminum foil corrosion step includes pretreatment and first washing, first-stage hole forming corrosion and second washing, second-stage hole expanding corrosion and third washing, aftertreatment, fourth washing and drying. The corrosion holes of the corrosion foil produced with the production method are large in hole diameter and are through, when the formed foil obtained after formation is used for the alternating-current motor starting capacitor, the formed foil can be fully soaked in electrolyte solution, the capacitor is low in temperature and small in loss in the using process, the applicable formation voltage ranges from 120 Vf to 660 Vf, the capacitor is sensitive in frequency response, small in loss and fast in heat dissipation in the using process, the applicable voltage is wide in range, and the performance is stable.
Owner:南通南辉电子材料股份有限公司
Process for producing carboxylic acid
ActiveCN101410365AStable productivityImprove dehydration effectSolution crystallizationHeat exchange cooling cystallizationCarboxylic acidCrystallization
Before a crystallization step in which a carboxylic acid is crystallized from a carboxylic-acid-containing liquid in crystallization tanks (12) and (13) each having a cooling surface, a preliminary step is conducted in which at least part of the carboxylic-acid-containing liquid is fed to a cooling device (11) equipped with cooling surfaces (15) and (16) and scraping means (18) and (19) for scraping the cooling surfaces and is cooled from a temperature exceeding the crystallization initiation temperature to a temperature not higher than the crystallization initiation temperature. This process is preferable especially when the carboxylic acid is acrylic acid and / or methacrylic acid.
Owner:MITSUBISHI CHEM CORP
Light-speckle feather meat duck breeding method
ActiveCN106489829AIncrease production capacityDelicious meatAnimal husbandryGenetic MaterialsCross breeding
The invention discloses a light-speckle feather meat duck breeding method. A Jianchang speckle feather system ducks, mountain speckle ducks and SM3 system cherry valley ducks are used as a genetic material; a large-body shallow-speckle feather meat duck new variety is obtained through cross breeding, selective breeding and family breeding, based on the advantages of excellent meat quality of the Jianchang speckle feather system ducks, large number of eggs of the mountain speckle ducks, and fast growth of the SM3 system cherry valley ducks. The breeding method obtains the large-body shallow-speckle feather meat duck new variety through breeding means including pure breeding, cross breeding, feather color selective breeding, and family breeding, wherein the large-body shallow-speckle feather meat duck new variety is consistent in appearance, is beautiful in carcass, and is stable in production performance; and the breeding method can remarkably promote large-scale and modernization development of a speckle feather meat duck industry.
Owner:SICHUAN AGRI UNIV
Pleocidin engineering bacteria capable of enhancing oxygen absorptive capacity, and construction method and fermentation method thereof
ActiveCN102559569APromote biosynthesisStable productivityBacteriaMicroorganism based processesSpinosadSaccharopolyspora
The invention relates to pleocidin engineering bacteria capable of enhancing oxygen absorptive capacity, and a construction method and a fermentation method thereof. The pleocidin engineering bacteria are gene recombinant pleocidin engineering bacteria constructed by integrating vitreoscilla hemoglobin gene (vgb) into saccharopolyspora genome, wherein the class name is actinomycetes saccharopolyspora S078-1011; and the collection number is CCTCC NO: 2011400. The invention further comprises a construction method for the pleocidin engineering bacteria and a fermentation method for producing pleocidin by using the pleocidin engineering bacteria. The actinomycetes saccharopolyspora S078-1011 can improve the dissolved oxygen absorptive capacity of the bacteria and can obviously promote biological synthesis of the pleocidin under the conditions of normal dissolved oxygen and limited oxygen.
Owner:HUNAN NORMAL UNIVERSITY
Preparation method of micro-nanometer powder, reinforced micro-reaction device and micro-reaction system
ActiveCN102151533BDimensionally stableControl reaction timeEnergy based chemical/physical/physico-chemical processesMicroballoon preparationUltrasonic generatorNanometer particle
Owner:SHENZHEN ACAD OF AEROSPACE TECH
Purifying method for carbon dioxide containing air flow
InactiveCN1339423AReduce dosageStable productivityOrganic compounds purification/separation/stabilisationCarbon compoundsAcetic acidAcetic acid ethenyl ester
A process for removing at least one compound selected from acetic acid, acetate esters and aldehydes from a gaseous fraction comprising carbon dioxide and such compounds. The process comprises the steps of (a) scrubbing in a scrubber at least part of the gaseous fraction to remove the acetic acid, acetate esters and / or aldehydes and (b) removing carbon dioxide from the scrubbed product of step (a) in step (a) the gaseous fraction is scrubbed with water and acetic acid. The process may be used to remove acetate esters such as vinyl acetate and ethyl acetate and aldehydes such as acetaldehyde. The process may be used in (i) the manufacture of vinyl acetate by the reaction of ethylene, acetic acid and an oxygen-containing gas in the presence of a catalyst or (ii) in the catalytic oxidation of (a) ethane and / or (b) ethylene to produce respectively (a) acetic acid and / or ethylene and (b) acetic acid.
Owner:THE BRITISH PETROLEUM CO LTD
Full-automatic glass diamond grinding and polishing machine
InactiveCN102059617ASave human effortIncrease productivityEdge grinding machinesMechanical engineeringDiamond grinding
The invention discloses a full-automatic glass diamond grinding and polishing machine, which comprises rotation mechanisms arranged on a frame, fixture devices arranged on the rotation mechanisms, a grinding wheel device, a polishing wheel device, a charge device and a discharge device, wherein the fixture devices are equidistantly arranged on the circumference of the rotation mechanism. The full-automatic glass diamond grinding and polishing machine is characterized in that: two rotation mechanisms are arranged and horizontally fixed in parallel on the frame in a longitudinal distribution manner; the circumferential outer edge of the fixture device on each rotation mechanism is longitudinally provided with the grinding wheel device and the polishing wheel device; the circumferential outer edge of the fixture device on each rotation mechanism is provided with the charge device, and the circumferential outer edge of the fixture device on the other rotation mechanism is provided with the discharge device; the same number of fixture devices are arranged on the two rotation mechanisms; and when being rotated to a horizontal plane, the fixture devices on each rotation mechanism are located on the same horizontal plane as corresponding fixture devices on the other rotation mechanism. The invention has the advantages of high production efficiency, low cost and the like.
Owner:李爽英
Tremella aurantialba strain suitable for industrial cultivation
PendingCN112592835AStable productivityStable genetic traitsFungiMicrobiological testing/measurementEdible mushroomTremella aurantia
The invention belongs to the field of edible fungus breeding, and particularly relates to a tremella aurantialba strain JSJ-X9 suitable for industrial cultivation. The strain has an ITS sequence as shown in SEQ ID NO: 4 and a characteristic sequence of an SCAR marker as shown in SEQ ID NO: 1. The tremella aurantialba strain has excellent and stable production traits and commodity traits, solves the problem of using seeds of tremella aurantialba in industrial cultivation, and has extremely high economic value and application prospect.
Owner:云南菌视界生物科技有限公司
Alpine artificial raising method for black-bone chicken
InactiveCN107347792ATender and juicy meatStrong fragranceFood processingFood preservationFowlInfectious bronchitis
Owner:叙永县元天生态养殖有限责任公司
Lactobacillus fermentum LF028 with hypoglycemic effect and application thereof
ActiveCN114437989AGood acid and bile salt resistanceStable production performanceMilk preparationBacteriaLaboratory cultureBacilli
Owner:天津小薇生物科技有限公司
Method for producing polyurethane elastic fiber
ActiveUS20200017996A1Occurrence of and be suppressStable productivityMonocomponent polyurethanes artificial filamentMonocomponent polyureas artificial filamentDi-isocyanateFiber
A method for producing a polyurethane elastic fiber according to the present invention contains the steps of: [1] producing a polyurethane urea polymer (A) having a number average molecular weight ranging from 12,000 to 50,000, and represented by general formula (1); [2] preparing a spinning dope by adding the polyurethane urea polymer (A) to a polyurethane urea polymer (B); and [3] spinning a polyurethane elastic fiber using the spinning dope.In the formula, R1 and R2 are an alkyl group or a hydroxyalkyl group, R3 is an alkylene group, a polyethyleneoxy group or a polypropyleneoxy group, R4 is a diisocyanate residue, X is a urethane bond or a urea bond, R5 and R6 are a diisocyanate residue, P is a diol residue, Q is a diamine residue, UT is a urethane bond, UA is a urea bond, each of k, l, m and n is 0 or a positive number.
Owner:SANKO CO LTD
A Chinese fir forest land cover combustibles decomposing microbial composite bacterial agent and its preparation and application method
ActiveCN103849587BReduce loadMaintain fertilityFungiBio-organic fraction processingMicroorganismBacillus licheniformis
The invention belongs to the technical field of ground cover combustible microbial degradation of Chinese fir forests and particularly relates to a ground cover combustible decomposing microbial compound agent for the Chinese fir forests as well as preparation and application methods thereof. The agent is a liquid agent formed by Panus rudis FG-35 with the preservation number of CCTCC (China Center for Type Culture Collection) NO.M2013106, Bacillus subtilis Y13 with the CCTCC NO.M208264 and Bacillus licheniformis AM-53 with the CCTCC NO.M2012273. According to the invention, aiming at the characteristics of the Chinese fir forests, ground cover combustibles are rapidly and efficiently degraded by utilizing a specific microbial combination, so that inorganic elements are returned to soil, the soil fertility is maintained, the stability of forest productivity is guaranteed, the ground cover combustible load is effectively reduced and the whole process is friendly to environment and free of pollution.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Lavender essential oil type fermented polypeptide freeze-dried powder and preparation method thereof
PendingCN114306137AGuaranteed normal generationImprove performanceCosmetic preparationsToilet preparationsBiotechnologyPhenolic content in tea
The invention provides a preparation method of lavender essential oil type fermented polypeptide freeze-dried powder, which comprises the following steps: fermenting tea soup under certain conditions to form fermented polypeptide liquid, mixing the fermented polypeptide liquid with high-quality lavender essential oil, and performing vacuum freeze-drying treatment under specific process conditions to obtain the essential oil type fermented polypeptide freeze-dried powder. The preparation method has the advantage that the freeze-dried powder is prepared by adding the high-quality lavender essential oil and the tea soup fermentation polypeptide. The polypeptide freeze-dried powder product obtained through the preparation method is convenient to process, easy to produce and stable in production performance, tea soup fermented polypeptide, tea polyphenol and other beneficial substances in tea soup and lavender essential oil are prepared into the freeze-dried powder in a freeze-drying mode, the activity of various effective components can be reserved to the maximum extent, the polypeptide freeze-dried powder is easily absorbed by human skin, and the health care effect is achieved. The functions of resisting oxidation, resisting wrinkles and moistening skin are provided for the human skin.
Owner:YILI ZISULIREN BIOLOGICAL TECH CO LTD +1
Method for improving poultry production efficiency by rapidly evaluating liver brittleness
PendingCN114334156AImprove accuracyGood fitHealth-index calculationComplex mathematical operationsTotal cholesterolBiotechnology
The invention provides a method for improving poultry production efficiency by rapidly evaluating liver brittleness, which comprises the following steps: (1) acquiring total cholesterol content in blood of a plurality of poultry in a preset poultry species group, acquiring liver shear force of the plurality of poultry in the preset poultry species group through a muscle tenderness tester, the liver shearing force is used as the brittleness of the liver; (2) curve fitting is conducted on the obtained total cholesterol content and the obtained liver brittleness, a regression equation y = ax3 + bx2 + cx + d is established, y is the liver brittleness, x is the total cholesterol content, a, b and c are regression coefficients of the liver brittleness relative to the cubic regression coefficient, the quadratic regression coefficient and the first regression coefficient of the total cholesterol content respectively, and d is a proofreading coefficient; (3) obtaining the total cholesterol content of the blood of the poultry to be detected in the preset poultry species group; and (4) obtaining the liver brittleness of the poultry to be detected according to the regression method.
Owner:JIANGSU INST OF POULTRY SCI
Steel for 40CrNiMo high-strength bolt and preparation method of steel
The invention discloses steel for a 40CrNiMo high-strength bolt. The steel comprises, by weight, 0.37%-0.44% of C, 0.17%-0.37% of Si, 0.50%-0.80% of Mn, smaller than or equal to 0.020% of P, 0.010-0.030% of S, 0.60%-0.90% of Cr, 1.25%-1.65% of Ni, 0.15%-0.25% of Mo and the balance Fe and inevitable impurities. The invention further discloses a preparation method of the steel for the high-strengthbolt. The steel and the preparation method is simple in process path, low in cost and high in efficiency, the S element is controlled to be 0.010-0.030% in component, and the cutting machining performance of the material can be effectively improved.
Owner:宝钢特钢长材有限公司
A kind of free-cutting steel for automobile synchronizer and preparation method thereof
The invention discloses a free-cutting steel for automobile synchronizer, which comprises: C: 0.06% to 0.12%, Mn: 1.00% to 1.30%, Si: ≤0.08%, Cr: 0.10% to 0.40% by weight %, P: 0.050% ~ 0.100%, S: 0.32% ~ 0.40%, N: 0.006% ~ 0.015%, Al: 0 ~ 0.040%, [O] ≤ 0.0020%, the balance is iron and unavoidable impurity elements , and Mn / S≥3. The invention also discloses a preparation method of the steel for the free-cutting automobile synchronizer. Through the optimized design of the composition, the manufactured synchronizer has small deformation after heat treatment, good fatigue performance and stable mechanical properties. In addition, each process is strictly controlled according to the target composition to ensure the precise composition of the steel.
Owner:宝钢特钢长材有限公司
A control system and method for agricultural machinery chain hydraulic riveting machine
Owner:SUZHOU CHUNMENG INTELLIGENT TECHNOLOGY CO LTD
Industrial green production process of coriolus versicolor glycopeptide
ActiveCN113957109AEmission reductionAdvanced technologyFungiMicroorganism based processesBiotechnologyReverse osmosis
The invention discloses an industrial green production process of coriolus versicolor glycopeptide. The industrial green production process comprises the following steps of: cultivating, rejuvenating and screening strains by adopting a low-temperature freezing resuscitation method; cultivating by adopting a reasonable fermentation culture medium in a mixing ratio, wherein the extraction of fermentation liquor comprises the steps of extracting coriolus versicolor polysaccharide from solid-phase mycelium and extracting coriolus versicolor polysaccharide from a liquid phase; dividing the liquid phase into two parts by a reverse osmosis membrane; concentrating and performing alcohol precipitation on one part with the molecular weight of the liquid phase being more than 30,000 to obtain a medicine-grade finished product, treating the other part with the molecular weight of the liquid phase being 30,000 and below 30,000 to obtain a food-grade or feed-grade additive, and reasonably utilizing all the formed graded products. The industrial green production process disclosed by the invention is advanced in technology; by adopting the green production process, the production cost is reduced; on the premise of ensuring that the medicine-grade yield of the original process flow is not reduced, the produced coriolus versicolor powder is added as a functional food base material, a feed additive and feed protein powder; the application of the feed-grade additive fills the blank of the product in China; the industrial green production process disclosed by the invention realizes comprehensive utilization of resources, reduces emission and is suitable for industrial production.
Owner:江苏骏豪生物科技有限公司
Pleocidin engineering bacteria capable of enhancing oxygen absorptive capacity, and construction method and fermentation method thereof
ActiveCN102559569BPromote biosynthesisStable productivityBacteriaMicroorganism based processesSpinosadSaccharopolyspora
Owner:湖南鸿健生物科技有限公司
A kind of flame-limiting layer material suitable for nepe propellant and its preparation method
ActiveCN104277754BIncrease production capacityStable productivityNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesAdhesiveHigh energy
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
A kind of seed production method of light hemp feather meat duck
ActiveCN106489829BIncrease production capacityDelicious meatAnimal husbandryGenetic MaterialsCross breeding
The invention discloses a light-speckle feather meat duck breeding method. A Jianchang speckle feather system ducks, mountain speckle ducks and SM3 system cherry valley ducks are used as a genetic material; a large-body shallow-speckle feather meat duck new variety is obtained through cross breeding, selective breeding and family breeding, based on the advantages of excellent meat quality of the Jianchang speckle feather system ducks, large number of eggs of the mountain speckle ducks, and fast growth of the SM3 system cherry valley ducks. The breeding method obtains the large-body shallow-speckle feather meat duck new variety through breeding means including pure breeding, cross breeding, feather color selective breeding, and family breeding, wherein the large-body shallow-speckle feather meat duck new variety is consistent in appearance, is beautiful in carcass, and is stable in production performance; and the breeding method can remarkably promote large-scale and modernization development of a speckle feather meat duck industry.
Owner:SICHUAN AGRI UNIV
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