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36results about How to "Guaranteed to be strong" patented technology

Method for building high-efficiency regeneration system of superior corn self-bred line agriculture line 531

The invention discloses a method for building a high-efficiency regeneration system of superior corn self-bred line agriculture line 531, belonging to the field of plant genetic engineering and transgenosis breeding. The invention takes an agriculture line 531 rataria as an explant, induces in a callus induction medium and produces an II-type embryonic callus; the II-type embryonic callus is subjected to embryoid induction under light in an embryoid induction medium to produce a green embryoid; then, the green embryoid is transported to a regeneration medium and is cultured into a regeneration plant under light; root induction is carried out in a rooting medium, and acclimatization is carried out in Hogland nutrient solution to ensure that a new thick root grows on the root of the regeneration plant; the root is transplanted to nutritional soil for rejuvenation culture; and finally, the root is transplanted to a land for growing field crops to normally grow and seed. The regeneration technology is suitable for the superior corn self-bred line agriculture line 531 with high application value, can ensure that the superior quality of agriculture line 531 corn can be inherited in the corn transgenosis breeding process, and has an important meaning for functional genome group research.
Owner:GRAIN RES INST HEBEI ACAD OF AGRI & FORESTRY SCI

Incubation method for enhancing day hatchability rate of silkworm eggs

InactiveCN101911927ARealize numerical quantificationPrecise adjustment and controlAnimal husbandryLower limitEmbryo
The invention discloses an incubation method for enhancing the day hatchability rate of silkworm eggs, comprising the following steps of: concretely setting the environmental parameters of embryonic development stages from D1 to F5 by taking the D1 as an incubating and temperature-increasing initial embryo; when staged embryonic development lag rate alpha is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be higher than the temperature upper limit value of a corresponding embryonic development stage by 0.5-1 DEG C, wherein the environmental humidity of the embryonic development stage is increased by 3-5 percent on the basis of a humidity upper limit value of the corresponding embryonic development stage; and when staged embryonic development advance rate beta is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be lower than the temperature lower limit of the corresponding embryonic development stage by 0.5-1 DEG C. The incubation method not only reasonably and accurately determines the environmental condition parameters of the development stages of the silkworm egg, but also carries out the mutual matching and coordination among the environmental parameters of the embryonic development stages, is convenient to implement the staged regulation for the silkworm eggs and has very wide popularization and application prospect.
Owner:JIANGSU MINXING COCOON & SILK +1

Method for summer corn salt-controlled yield increase in light and moderate saline-alkali soil of Yellow River Delta

The invention belongs to the technical field of agricultural production and particularly relates to a method for summer corn salt-controlled yield increase in light and moderate saline-alkali soil of the Yellow River Delta. According to the method, a summer corn fertilizer application amount and operation method, an irrigation amount and a salt-controlled yield increase water and fertilizer operation method for a corresponding irrigation principle and method are formulated according to on-site soil saline-alkali, soil fertility and climate and summer corn growth conditions in light and moderate saline-alkali soil of the Yellow River Delta. The method comprises the following steps: (1) land preparation seeding and seedling stage and jointing stage water and fertilizer operations; (2) jointing and tasseling stage water and fertilizer operations; and (3) tasseling and filling stage water and fertilizer operations. According to the method, by reasonable operations of water and fertilizer, salt adjustment and salt control, soil improvement and fertilizer supply, seedling protection and strong seedling cultivation, growth promotion and yield increase can be performed on summer corns planted in the light and moderate saline-alkali soil of the Yellow River Delta. The method has the advantages of being simple and practical, reducing cost, increasing benefit and being high in applicability and easy to popularize. The method has remarkable economic, ecological and social benefit if popularized and applied in large area in summer corn planting areas of the light and moderate saline-alkali soil of the Yellow River Delta area.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Method for yellow river delta severe saline-alkali soil cotton salinity control and production increase

The invention belongs to the technical field of agricultural production, and particularly relates to a method for yellow river delta severe saline-alkali soil cotton salinity control and production increase. The method for cotton salinity control, production increase and irrigation and fertilization planning and management is used for formulating fertilizer application amount and planning and management methods, water irrigation amount and corresponding irrigation principles and methods for on-site soil salinization, soil fertility, climate and cotton growth situation of a yellow river delta severe saline-alkali soil. The method comprises the following steps of 1, soil preparation and water irrigation salt leaching; 2, soil amelioration, fertilization and seed sowing; 3, bud stage topdressing, water irrigation and salinity control; 4, flowering and boll setting stage topdressing, water irrigation and salinity control; 5, boll opening stage topdressing, water irrigation and salinity control. According to the method, salinity adjustment and control, fertilization, soil amelioration, water and fertilizer supply, seedling protection and production increase are performed on yellow river delta severe saline-alkali soil cotton planting through reasonable irrigation and fertilization planning and management, the method has the advantages of being simple, easy, high in practicability, capable of increasing production and efficiency and saving water and fertilizer and easy to popularize, and the remarkable economic, ecological and social benefits are achieved for large-area application and popularization in a yellow river delta severe saline-alkali soil cotton planting region.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

A kind of high-performance tc11 tube and its preparation method

The invention relates to a high-performance TC11 tube and a preparation thereof. According to the preparation method, the finished product TC11 tube is prepared by firstly preparing a TC11 titanium alloy cast ingot from a first-class titanium sponge, an aluminum-vanadium alloy, an aluminum-zirconium alloy and scrap zirconium by virtue of strict control of materials and the melting process, forging the cast ingot to obtain a black-rust sheared billet, then machining and carrying out surface grinding to obtain a extruded ingot billet, drilling the ingot billet, sheathing, heating and extruding to obtain a tube billet, then carrying out hot straightening, surface treatment and heat treatment and finally machining, such as boring and turning to obtain the finished product TC11 tube. The TC11 titanium alloy tube prepared by the preparation method disclosed by the invention has the characteristics that (1) the TC11 titanium alloy tube has very high strength, ductility and impact properties; (2) the tube having relatively high tolerance level can be obtained; (3) the microstructure of the TC11 titanium alloy tube is uniform and stable; and (4) the TC11 titanium alloy tube has excellent corrosion performance. The TC11 titanium alloy tube can meet the high-standard application requirement in the petroleum industry.
Owner:NINGXIA ORIENT TANTALUM IND

Modular power supply scheme automatic-generation method based on AR technology and VR technology

The invention discloses a modular power supply scheme automatic-generation method based on the AR technology and the VR technology, and belongs to the technical field of power distribution. The method comprises the steps of integrating the basic databases of a power grid, acquiring the architecture diagram and the openable capacity of the power grid, and ensuring the availability of a power supply point; subjecting a power supply scheme to modular refinement and typesetting, and setting the parameters of options in each type and calibrating the parameters so as to form system point selection parameters; importing the architecture diagram and the openable capacity data of the power grid into a program, and compiling the power supply scheme and a support drawing in cooperation with the system point selection parameters; and displaying the power supply scheme and the support drawing in the 3D form based on a virtual reality module. The related system of the above method comprises an inputting module, a checking and reminding module, a drawing editing module and a virtual reality module, wherein the above modules are sequentially connected. The method is high in efficiency, formal in manufacture, strong in scheme depth property and good in interactivity. Based on the method, construction problems can be found out more quickly and more conveniently. Therefore, the requirements of users in rapid power transmission can be met.
Owner:STATE GRID CORP OF CHINA +1

Automobile body aluminum alloy frame rear connection and chassis rear suspension mounting structure and structural member

The invention discloses an aluminum alloy frame rear connection and chassis rear suspension mounting structure and a structural member. The structural member is arranged between a doorsill edge beam and a rear floor longitudinal beam and comprises a rear connecting piece, a doorsill edge beam mounting sleeve nut and a rear suspension mounting sleeve nut, the rear connecting piece is an extruded aluminum alloy section and is of a multi-cavity variable-thickness structure, the two ends of the rear connecting piece are connected with a threshold boundary beam and a rear floor longitudinal beam respectively, a threshold boundary beam installation sleeve nut is installed on the portion connected with the threshold boundary beam, a chassis rear suspension installation point is arranged in the middle of the rear connecting piece, and a rear suspension installation sleeve nut is installed in the middle of the rear connecting piece. The rear connecting piece is integrally formed through extrusion, the development cost is low, the cost of an extrusion die is saved by about 10 times compared with that of a high-vacuum die-casting die, and the cost reduction effect is obvious; the rigidity andthe strength of a chassis rear suspension mounting point can be guaranteed, the weight reducing effect is good; and compared with a steel sheet metal scheme, the weight is reduced by 40%, and compared with a connecting piece scheme after high-vacuum die casting, the weight is reduced by nearly 20%.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD +1

Incubation method for enhancing day hatchability rate of silkworm eggs

InactiveCN101911927BRealize numerical quantificationPrecise adjustment and controlAnimal husbandryLower limitEmbryo
The invention discloses an incubation method for enhancing the day hatchability rate of silkworm eggs, comprising the following steps of: concretely setting the environmental parameters of embryonic development stages from D1 to F5 by taking the D1 as an incubating and temperature-increasing initial embryo; when staged embryonic development lag rate alpha is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be higher than the temperature upper limit value of a corresponding embryonic development stage by 0.5-1 DEG C, wherein the environmental humidity of the embryonic development stage is increased by 3-5 percent on the basis of a humidity upper limit value of the corresponding embryonic development stage; and when staged embryonic development advance rate beta is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be lower than the temperature lower limit of the corresponding embryonic development stage by 0.5-1 DEG C. The incubation method not only reasonably and accurately determines the environmental condition parameters of the development stages of the silkworm egg, but also carries out the mutual matching and coordination among the environmental parameters of the embryonic development stages, is convenient to implement the staged regulation for the silkworm eggs and has very wide popularization and application prospect.
Owner:JIANGSU MINXING COCOON & SILK +1

Moisture absorption paper rod for implant repair

The invention relates to a moisture absorption paper rod for implant repair, which is used for stopping bleeding, absorbing moisture and cleaning a cuff and absorbing moisture and cleaning a screw hole in the center of an implant during dental implant repair. The paper rod comprises a paper tip, the upper part of the paper tip is connected with a transition part, and the upper part of the transition part is connected with a holding part; the transition part is provided with an arc circumferential surface part, and the paper tip is connected to the center of the arc circumferential surface part; the paper tip is cylindrical, and a bulge is arranged at the end part, far away from the arc peripheral surface part, of the paper tip; and the holding part is provided with a first bending part and a second bending part, the first bending part is located at the position, close to the transition part, of the holding part, the second bending part is located at the position, close to the first bending part, of the holding part, and the bending direction of the first bending part is opposite to that of the second bending part. The moisture absorption paper rod can effectively compress to stop bleeding, adsorb and clean the implant tooth repair cuff and the central screw hole, and cannot generate the problems of paper tip breakage and stripping, so that the cleaning effect of the implant tooth repair cuff, the central screw hole and the internal thread of the implant tooth repair cuff is ensured, and the firmness and the service life of the implant tooth repair are ensured. Compared with the prior art, the poisture absorption paper rod has the advantages of being simple in structure, convenient to use and stop bleeding, high in cleaning efficiency and good in cleaning effect.
Owner:陈延增

A method for increasing yield of summer maize in light-moderate saline-alkali land in the Yellow River Delta by controlling salt

The invention belongs to the technical field of agricultural production and particularly relates to a method for summer corn salt-controlled yield increase in light and moderate saline-alkali soil of the Yellow River Delta. According to the method, a summer corn fertilizer application amount and operation method, an irrigation amount and a salt-controlled yield increase water and fertilizer operation method for a corresponding irrigation principle and method are formulated according to on-site soil saline-alkali, soil fertility and climate and summer corn growth conditions in light and moderate saline-alkali soil of the Yellow River Delta. The method comprises the following steps: (1) land preparation seeding and seedling stage and jointing stage water and fertilizer operations; (2) jointing and tasseling stage water and fertilizer operations; and (3) tasseling and filling stage water and fertilizer operations. According to the method, by reasonable operations of water and fertilizer, salt adjustment and salt control, soil improvement and fertilizer supply, seedling protection and strong seedling cultivation, growth promotion and yield increase can be performed on summer corns planted in the light and moderate saline-alkali soil of the Yellow River Delta. The method has the advantages of being simple and practical, reducing cost, increasing benefit and being high in applicability and easy to popularize. The method has remarkable economic, ecological and social benefit if popularized and applied in large area in summer corn planting areas of the light and moderate saline-alkali soil of the Yellow River Delta area.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Method for rejuvenating and culturing seedlings of sianchau

InactiveCN101720621BGuarantee a safe winterImprove maternal qualityHorticultureInsect diseaseDisease rates
The invention relates to a method for rejuvenating and culturing seedlings of sianchau, which comprises the following steps: 1, culturing a mother plant of the sianchau, namely culturing a sinachau plant which is robust without insect disease in a vigorous growth period of the sianchau; and 2, culturing the seedlings by cutting, namely from February to April of the next year, selecting good mother plants, shearing cutting wood, performing slurry dipping treatment on base parts of the cutting wood, arranging the cutting wood in a dug channel on a sianchau culturing field, covering soil to makethe length of the cutting wood exposed out of the ground half to one fourth of the total length, watering rooting water thoroughly, covering a thin film and a sunshade net to keep the soil moist, after 9 to 12 days, removing the thin film and the sunshade net, thinly watering 0.1 to 0.5 percent aqueous solution of ammonium carbonate to strengthen the seedlings, and after 15 to 25 days, digging the seedlings with the soil and transplanting the seedlings to a planting field. The method ensures that the seedlings of the sianchau have high survival rate, good quality, consistent growth in the field at a later stage, low disease rate, high yield and convenient to manage, and can greatly reduce cost, labor force investment and consumption of agricultural chemicals, and improve product quality.
Owner:福建省农业科学院农业生物资源研究所

Corn system selection efficient testing and matching method

The invention discloses a corn system selection efficient testing and matching method. The method comprises the following steps that (1) the number of to-be-tested system female parents and the numberof tester male parents are determined in system selection; (2) a selfing area and a testing and matching area are formed through dividing; (3) the testing and matching area is divided into into a tester male parent area and ato-be-tested system female parent area, one-to-one correspondence planting is adopted in the planting method, one set of male parent corresponds to one set of female parent,and the male parents and the female parents are planted on one ridge; (4) the tester male parents are sown; (5) the to-be-tested system female parents are sown; (6) after 45-55 days of sowing, uniformplate changing and numbering are carried out on each testing and matching material of the to-be-tested system female parents in the testing and matching area; (7) the to-be-tested system female parents are bagged and pollinated; (8) harvesting is carried out. The method is an easy-to-operate, time-saving, labor-saving and high-quality corn system selection testing and matching method, a large amount of energy is saved for researchers in a nervous pollination period, pollination quality can be easily checked, concentrated repeated pollination can be achieved, it is guaranteed that all to-be-tested systems are solid, work planes can be completed easily, and breeding work quality and efficiency are guaranteed.
Owner:LIANYUNGANG ACAD OF AGRI SCI
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