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499results about How to "Easy to mechanize" patented technology

Camellia oleifera container seedling raising technique

The invention relates to a plant seedling raising technique, in particular to a camellia oleifera container seedling raising technique which aims to solve the problems of low seedling survival rate and low seedling raising efficiency of a camellia oleifera seedling raising technique in the prior art. The camellia oleifera container seedling raising technique includes the steps of (1) collecting seeds, and placing the collected seeds in a refrigeratory for cold storage and reserve at the temperature of 0-5 DEG C; (2) pre-treating the seeds, and soaking the seeds prior to sand storage for accelerating germination; (3) sowing, sowing the camellia oleifera seeds subjected to germination accelerating in a container containing seedling raising substrates in a spot manner, and then placing the container on a seedbed; (4) grating rootstocks of seedlings; (5) performing grafted seedling management including water management, rootstock removal and weeding management, light and temperature management, nutrient management and the like; (6) performing biennial seedling production management; and (7) performing outplanting management. The technique has the advantages of high seedling survival rate, high breeding efficiency and good reliability; and seedling survival rate of the seedling raising technique is 10-20% higher than that of inarching seedling raising and leaf cutting seedling raising techniques.
Owner:YUNHE AGRI COMPREHENSIVE DEV

Excavation and construction method of underground cavity ball coronary dome

ActiveCN103256053AEnsure surrounding rock stabilityEasy and accurate workUnderground chambersTunnel liningPart iiiWire rope
The invention relates to an excavation and construction method of an underground cavity ball coronary dome. The excavation and construction method includes the following steps: S1, a channel is constructed; S2, a dome part I is excavated, primary support is conducted on the dome part I, S3, a dome part II is excavated, primary support is conducted on the dome part II, S4, a dome part III is excavated, a steel wire rope which is connected with the central point of the bottom of the dome and the central point of the top of the dome is used as a center, the vertical layered construction height marked on the steel wire rope is used as a control height, and the dome part III is constructed in a layering and loop mode from top to bottom. Each layer is excavated in a segmentation mode, and the primary support is conducted on each segment. The excavation and construction method of the underground cavity ball coronary dome has the advantages that geology is ascertained through an advance pilot tunnel, therefore, reinforcing supporting measures can be made in advance, and the stability of surrounding rock is guaranteed. An annular excavation method in which a dome central line is used as a standard from top to bottom is adopted, the line type control of a fracture surface is benefited, the construction space is enlarged, mechanical operation is convenient, and construction efficiency is high.
Owner:THE 4TH ENG CO LTD OF CHINA RAILWAY 16TH BUREAU GRP CO LTD

Peltateleaf begonia herb and rhizome type grape cultivation method

ActiveCN101755654AEasy Winter PruningEasy to work for foolsCultivating equipmentsCell buddingHerb
The invention relates to a peltateleaf begonia herb and rhizome type grape cultivation method, which is favorable for improving the grape quality, effectively controlling the yield and realizing excellent quality, stable yield, long life and beautiful appearance of the grapes. The method comprises the following steps: (1) in the first year, carrying out trench planting, namely, shearing the seedling for fix planting to leave two buds, cultivating one or two young sprouts, and in winter shearing the cultivated annual shoot to leave 0.5m of the annual shoot, pressing the left annual shoot on the ground surface and fixing the left annual shoot on a first strip of iron wire, wherein when trench planting is carried out, the fix planting furrow width is 0.5 meter, the furrow depth is 0.5 meter, the plant spacing is 0.5 or 1.0 meter and the row spacing is between 2.2 and 2.5 meters; (2) in the second year, straightly binding the young sprouts germinated from the bud eyes upward to ensure that the young sprouts are distributed uniformly on the trellis surface, and when carrying out shearing in winter, leaving three buds; and (3) in the third year, straightly binding the young sprouts germinated from the bud eyes upward to ensure that the young sprouts distributed are uniformly on the trellis surface and each bearing shoot have three young sprouts, and when carrying out shearing in winter, shearing all the parts which are provided with two annual shoots, and shearing another annual shoot to leave three buds.
Owner:内蒙古阳光田宇葡萄酿酒有限公司

Production method for wide-early-superior raw cotton in cotton region in Northwest China

The invention discloses a production method for wide-early-superior raw cotton in a cotton region in Northwest China. The method includes the following steps of 1, fission type elite seed production,wherein variety selection,10-ten-thousand-times fission type seed reproduction, and grain selection according to the grain size are conducted; 2, planting in rows with the equal width and conducting the following matching technologies: the variety selection and rational early sowing technology, the edge film widening and lighting technology, the sowing row no-covering-soil and film no-covering-soil technology, the appropriate seedling water dropping technology, the first water late-drop technology, the plant-height increasing and appropriate tip pruning delay technology, and the cotton-flowering and boll-forming fertilizer re-application technology; 3, an early-sowing and early-ripening matching technology; 4, superior raw cotton quality control technologies which includes the technology of uncovering mulching films in the optimum period and preventing pollution, the technology of spraying an appropriate amount of disleave agent and ripener in the appropriate period, the technology ofremoving field weeds and foreign matters and the technology of harvesting in the appropriate period. The method is feasible, operation is simple and convenient, conversion from short-dense-early 'getting cotton by temperature' to tapping of the potential of light, temperature and environment resources is achieved, and support is provided for high-yield, high-efficiency and high-quality cotton.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI

Method for preparing primary column shaped horniness phase composite wear-resistant grinder dish

The invention discloses a method for preparing a composite wear resistant abrasive disk with a protogenous columnar hard phase. The wear resistant abrasive disk prepared by the method is formed by pouring and compounding a high hardness columnar alloy hard phase and a high tenacity base metal. The method comprises the following steps: weaving an alloy powder core wire material into a framework similar to the shape of the abrasive disk, and pouring smelted high temperature base material molten steel into a die cavity of an abrasive disk casting mould; putting the woven framework similar to the shape of the abrasive disk into the casting die cavity filled with the high temperature base metal molten steel quickly, performing cast-infiltration, sintering or melting on the woven alloy powder core wire material framework by using the heat of the high temperature base metal molten steel so as to generate a highly-dispersed high hardness columnar alloy hard phase in situ; and cooling the phase at room temperature to produce the composite wear resistant abrasive disk using high-tenacity and high-strength metal as a base and containing the metallurgically-combined protogenous columnar hard phase. The composite wear resistant abrasive disk with the protogenous columnar hard phase has ultra wear resistance and good impact resistant toughness, and the service life of the abrasive disk is close to or exceeds the imported products of the same type.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Segment longitudinal seam connecting assembly, tunnel segment structure and construction method

The invention discloses a segment longitudinal seam connecting assembly, a tunnel segment structure and a construction method. The segment longitudinal seam connecting assembly comprises a longitudinal seam male part and a longitudinal seam female part, wherein the longitudinal seam male part comprises a gradient section cylinder, a connecting plate and a base, one end of the connecting plate is fixedly connected to the side face of the gradient section cylinder, and the other end of the connecting plate is connected with the base; the longitudinal seam female part comprises a front section and a rear section, a gradient section cylindrical cavity matched with the gradient section cylinder is formed in the front section, a through hole matched with the connecting plate in shape and size and communicated with the gradient section cylindrical cavity is formed in one end, away from the rear section, of the front section, the longitudinal seam female part is wholly pre-buried into a segment, a groove capable of containing the longitudinal seam male part is formed in the segment, and the longitudinal seam female part is located at one side of the groove. The tunnel segment structure has certain tolerance capacity, is adaptive to construction environment and capable of achieving simultaneous butt joint of segments in the longitudinal and circumferential directions, and has the advantages of being fast and convenient to construct and easy to construct automatically.
Owner:SHANGHAI CONSTRUCTION GROUP

Composite wear-resistant part preparation method

The invention provides a composite wear-resistant part preparation method. The composite wear-resistant part preparation method comprises the following steps that firstly, the wear surface and the failure mode of a wear-resistant part under working condition are determined, and a ceramic reinforcement configuration is designed, wherein the thickness of the ceramic reinforcement configuration ranges from 3 mm to 80 mm, and the configuration can be in a bar shape, a plate shape or a porous shape to guarantee that the absolute distance from an arbitrary point in ceramic reinforcement to molten metal is smaller than 10mm at the moment of casting; secondly, the ceramic reinforcement is prepared; thirdly, a metallic matrix is cast to enable the ceramic reinforcement and the metallic matrix to be mutually combined to form a composite wear-resistant part, ceramic particles forming the ceramic reinforcement are evenly distributed on the wear surface of the wear-resistant part, and the ceramic particles are firmly coated by the metallic matrix. According to the composite wear-resistant part preparation method, the production technology is more simplified, the mechanized operation is facilitated, the ceramic particles are enabled to be evenly distributed on the wear surface of the wear-resistant part, and therefore the service life of the product is effectively prolonged.
Owner:GUANGDONG INST OF NEW MATERIALS

Method for producing metal and diamond composite body

InactiveCN101480744AAvoiding problems with reduced sintering qualityQuality improvementSoldering apparatusMetal rolling arrangementsHardnessLarge deformation
The invention discloses a method for manufacturing a composite body of metal and diamond, comprising the following steps: diamond grits and metal powder bonds are arranged between two metal plates which can be copper plates or low-carbon steel plates, the metal plates are rolled to be in a flat pipe shape, braze welding and sealing are carried out on the round seaming part to manufacture a prefabricated piece, and multi-time cold rolling is carried out so that the thickness of the metal plates in a flat pipe shape is a little bigger than that of a particle and the metal plates in a flat pipe shape are sintered at the temperature ranging from 700-900 DEG C. The invention abandons a traditional powder metallurgy like method, instead, the capability feature that great difference exists between the rigidity of the diamond and the rigidity of the copper plate or the low-carbon plate is utilized, thereby the diamond embedded into a copper block or a low-carbon block in the rolling process and the combination of a little amount of metal powder bonds and high-speed flow deformation and large deformation rate which are unique in the rolling process enable the metal plates to be mutually welded so that the problem in the traditional method that the metal powder is prone to be oxidized to cause the sintering quality to be reduced is avoided. The invention is favorable for the mechanized and automated manufacturing and lowers the manufacturing cost.
Owner:YANSHAN UNIV

High-efficiency corn cultivation method in saline-alkali land

The invention belongs to the field of crop planting, in particular to a high-efficiency corn cultivation method in saline-alkali land. The high-efficiency corn cultivation method in the saline-alkaliland includes the following specific cultivation steps: soil improvement, flat land preparation and application of base fertilizer, corn sowing and film covering, irrigation and fertilization. The method achieves the aim of improving corn emergence rate, seedling preservation rate, water and fertilizer utilization efficiency and further improving corn yield by improving the corn planting method and optimizing the irrigation and fertilization system, breaks through the technical bottleneck of difficult corn planting and improvement in saline-alkali land in low-lying areas, and can play a technical supporting role in efficient improvement and utilization of saline-alkali land and improvement of ecological environment. On the one hand, ridge film furrow planting can effectively reduce the evaporation and consumption of soil moisture, and thus water collection and moisture preservation are favorable, so that crop yield and water use efficiency are improved; on the other hand, the utilization of groundwater can be further promoted, the groundwater level is lowered, and the phenomenon of soil salinization is reduced.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT NINGXIA ACAD OF AGRI & FORESTRY SCI NINGXIA KEY LAB OF SOIL & PLANT NUTRITION

Solid rocket engine combustion chamber shell adiabatic layer forming method

ActiveCN109605625ANo distortionThere is no problem with exhaustDomestic articlesVulcanizationCombustion chamber
The invention relates to a solid rocket engine combustion chamber shell adiabatic layer forming method, and belongs to the field of adiabatic layer forming technologies. The solid rocket engine combustion chamber shell adiabatic layer forming method comprises the steps that according to the design structure of an engine combustion chamber shell, an adiabatic layer prefabricated part which is not completely vulcanized is prepared, and the outer diameter of the adiabatic layer prefabricated part which is not completely vulcanized is less than the inner diameter of the engine combustion chamber shell; the adiabatic layer prefabricated part which is not completely vulcanized is bonded to the inner wall of the engine combustion chamber shell through a heat vulcanization adhesive; and hot pressing vulcanization is conducted, and thus the engine combustion chamber shell with an adiabatic layer is obtained. Through internal support tension of the adiabatic layer prefabricated part and a good isolation gap between the adiabatic layer prefabricated part and the inner wall of the combustion chamber shell, the problems of sheet pasting warp and unsmooth exhaust of sheet rubber are effectivelysolved, and bonding reliability of the interface of the adiabatic layer and the shell is improved.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY

Device and method for large-scale pretreatment of domestic garbage

The invention discloses a device and a method for large-scale pretreatment of domestic garbage. The device comprises a vertical cylinder, an air suction component, a double-screw discharge component and a temperature automatic control component, wherein the air suction component is matched with the vertical cylinder; a raw material cavity, an air inlet duct and an air outlet duct are arranged in the vertical cylinder; the air inlet duct and the air outlet duct are oppositely arranged at the two ends of the raw material cavity; the face of the air inlet duct facing the raw material cavity is provided with a plurality of air inlet holes which are communicated with the raw material cavity; the face of the air inlet duct far away from the raw material cavity is provided with more than one air inlet; the face of the air outlet duct facing the raw material cavity is provided with a plurality of air outlet holes which are communicated with the raw material cavity; and the face of the air outlet duct far away from the raw material cavity is provided with more than one air outlet. According to the method, the garbage material is continuously filled into the raw material cavity of the vertical cylinder lot by lot, fermented by intake air and continuously discharged lot by lot. The device has the advantages of simple and compact structure, small floor area and the like; and large-scale, industrial, engineered and continuous flow line production of the pretreatment of the domestic garbage can be realized.
Owner:HUNAN JUNXIN ENVIRONMENTAL PROTECTION CO LTD

Method for cultivating pleurotus eryngii via bottles in greenhouse by using mushroom grasses

The invention discloses a method for cultivating pleurotus eryngii via bottles in a greenhouse by using mushroom grasses, belonging to the method for cultivating edible mushrooms by using mushroom grasses in mushroom production. With the adoption of the method, six kinds of mushroom grass seeds comprising miscanthus floridulus, neyraudiareynediana, arundo donax linn, grassiness, dicranopteris pedata, and Jujuncao are combined with auxiliary materials comprising bran, corn starch and lime; and the method of cultivating pleurotus eryngii via bottles in the greenhouse by using mushroom grasses is implemented by six formulas. According to the method, the fresh grasses such as grassiness, Jujuncao, miscanthus floridulus, neyraudiareynediana, arundo donax linn and dicranopteris pedata are directly used as the raw materials, the processes of drying and water are eliminated, so that the production cost is saved, and the method has the following advantages of being high in yield and short in production period, and improving the economic benefit. Compared with the cultivation by using cottonseed hulls in the prior art, the method has the advantages that the product quality can be improved. Compared with the cultivation by using dry mushroom grasses in the prior art, the method has the advantages that the costs spent on drying and storing mushroom grasses can be saved. Compared with the cultivating by using plastic thin films, the method has the advantages that the mechanical operation is facilitated, the yield is high and the production period is short and the like.
Owner:FUJIAN ZHENGYUAN JUNCAO INT COOP CO LTD
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