47results about How to "Improve self-sufficiency" patented technology

The invention discloses a tea-oil tree planting method and relates to the technical field of tea-oil tree plantation. The method particularly comprises the steps of selecting a planted land; clearing a hill and carrying out soil preparation; digging holes; afforesting and field-planting; tending young growth. The tea-oil tree planting method provided by the invention has the advantages that the rate of survival is high, tea-oil trees are strong in adaptability and long in service life, and the economic output of tea-oil tree woodland is high; the industrialization development of tea oil in China is favorably promoted; the degree of self-sufficiency of edible vegetable oil in China is improved; the tea-oil tree planting method belongs to strategic measures of cultivating and expanding the woody oil plant industry and guaranteeing national grain and oil safety.

The invention relates to a tea-oil tree planting method. The tea-oil tree planting method comprises the following steps of selection of planted land, selection of good tea-oil tree seeds, planting, young plant management and protection, mature plant tending management, forest land reclamation, forest land weeding, forest land intercropping, forest land fertilization, mature plant pruning, prevention and control of tea-oil tree disease and inset pests and harvesting. Comprehensive, systematic and scientific planting is adopted from tea-oil tree land selection ad planting to field control at allstages in growth, so that the tea-oil tree survival rate is high, the adaptability of tea-oil trees is good, advanced fruit bearing can be achieved, the problems of later fruit bearing, low benefit,low yield and the like are solved, the economic output of tea-oil tree land is high, industrial development of tea-oil trees in our country is promoted, the self-sufficiency degree of edible vegetableoil in our country can be improved, and a demonstration prototype is provided for large-scale establishment of a tea-oil tree production base.

The invention relates to an automatic power speed changer and belongs to the field of mechanical power transmission. According to the automatic power speed changer, on two shafts, achieving speed changing, of the speed changer, at least one high-speed gear and at least one low-speed gear which are provided with different diameters and different numbers of teeth are fixed on one shaft at intervals, at least two remodeled non-inner-ring wedged-block type isolators are axially and detachably sleeved on a spline of the other speed changing shaft in parallel, an inner ring of each isolator is an overall slide sleeve which is provided with a protrusion in the middle and can horizontally slide along the spline, and at least one high-low speed gear and at least one low-speed gear which have different diameters and different numbers of teeth are arranged on an outer ring of each detachable isolator. The automatic power speed changer can reduce self weight and cost and facilitate achieving speed changing.

The invention discloses liquid photosensitive solder resist white oil and a manufacturing method thereof. The liquid photosensitive solder resist white oil is prepared from a main agent and a curing agent according to a mass ratio of 4: 1. The manufacturing method of the liquid photosensitive solder resist white oil comprises the following steps of mixing the main agent and the curing agent according to a mass ratio of 4: 1, stirring uniformly, carrying out silkscreen of the mixture on a printed circuit board (PCB), carrying out prebaking, and carrying out irradiation by active energy rays until a Stouffer level reaches a level of 9 to 12. The liquid photosensitive solder resist white oil has excellent photonasty (light sensitivity) and can be cured rapidly. The liquid photosensitive solder resist white oil can be developed by a dilute alkali solution and form patterns, and can form a cured film by thermocuring in a post-curing process, wherein the cured film has good adhesiveness and high-temperature resistance.

The invention discloses a land engineering design method comprising the following steps: S1, investigating the climate conditions and water resource conditions of a region to be treated; S2, making an on-the-spot survey and an indoor analysis; S3, choosing a plurality of crops which can be planted according to the investigation results of S1 and S2, calculating the water supply capacity of the region and the amount of water needed for crops, checking water conservancy conditions, and determining a crop to be planted; and S4, reconstructing the soil of the region to be treated and improving the fertility of the soil. According to the method, the bottom layer of a river course, bottomland or sandbank is plowed and a plough layer is constructed, the physical and chemical properties of the soil are improved effectively, the soil fertility is improved, the risk of soil erosion is reduced, and land desertification is inhibited. By integrating the water and soil resource advantages of river course, bottomland or sandbank, the utilization rate and productivity of land resources are improved, and the effective area of cultivated land is increased.

The invention relates to a method for growing plants by using space waste and wastewater. According to the method, wheat straws are used as the main raw material of the space waste, the waste is subject to pretreatment, fermentation by added microbial inoculums and through-decomposing treatment, is mixed with vermiculite according to a ratio of 1:1 to be a soil substrate and is used as a plant growing substrate; the analog space wastewater is used as the main raw material of the wastewater, the wastewater is subject to primary deposition, filtering by a zeolite layer, foamless oxygen supply micro-organism treatment, and the like, is mixed with tap water and Hoagland full-nutrient solution according to a ratio of 1:1:2 to be plant nutrient solution. According to the method, the technique condition of using analog wastewater and waste renewable resources for plants is researched on the basis of using the method of waste and wastewater renewable resources recycling method in agricultural and industrial productions for reference and according to the characteristics of a sealed ecosystem, so that an excellent solving way is provided for performing plant growing in a controlled ecological life support system under a space condition by using renewable resources, and improving the closure of the system.

The invention discloses a method for breeding high-quality fine-wool type mutton-wool sheep adaptable to a high, cold and draught area. The method comprises the steps that Gansu alpine fine-wool sheep are used as the female parent and fine or ultra-fine Australia merinos are used as the male parent, athwart cross fixation is conducted on a secondary-hybridization or ternary-hybridization ideal type ram and a secondary-hybridization or ternary-hybridization ideal type ideal type ewe by means of grading hybridization, and the target sheep variety is obtained after four generations and breeding improvement. The high-quality fine-wool alpine merinos adaptable to the high, cold and draught area obtained with the breeding method is excellent in wool quality, the wool is white and of a scopula structure, the closing property is good, the wool is neat and even, high in density, good in luster, white or milk white in sticky sweat, normal in bending performance, and high in stress resistance. The high-quality fine-wool alpine merinos are adaptable to the severe ecological condition of the high-altitude cold and draught mountainous area and a four-season grazing and long-distance transferring feeding and management mode.

The invention discloses a cotton and polyester cotton blended fabric pre-treatment method. The method comprises the following steps: blank cloth preparing, composite biological enzyme pre-treatment, piling, washing, drying, dip padding on ginned cotton enzyme, steaming, washing and drying. According to the invention, lignin, starch slurry, cotton wax and cottonseed hull on the fabrics are degraded and emulsified by using a compound enzyme system, cooperation usage of lignin enzyme and cellulase is helpful for removing lignin of cottonseed hull and fiber cell wall, the composite pectase is introduced into a primary cell wall layer so that the pectic substances are degraded, a channel to a fiber cyst cavity is opened, staple fiber on the surface of yarn beam is removed by cellulose, the problem of difficult removal of the cottonseed hull during bio-enzyme treatment is effectively solved, caustic soda, a chemical agent, steam, electric power, water volume and COD content of sewage are reduced, a production process is simple and controllable, the processing of the multi-fiber composite fabrics is simple and easy, and quality of the product is increased.

The present invention discloses a radio frequency-based solar energy and wind energy complementary power supply system and a working method thereof. The radio frequency-based solar energy and wind energy complementary power supply system comprises a monitoring management center, an RF network and a plurality of peasant household monitoring nodes, the monitoring management center comprises an industrial control PC and an RF communication module which exchange the data via the serial connection, and each peasant household monitoring node comprises a solar cell panel, a wind turbine, a wind and photovoltaic complementary control unit, an electric power main control unit and an RF communication module. The output ends of the solar cell panels and the wind turbines are connected with the inputends of the wind and photovoltaic complementary control units, the wind and photovoltaic complementary control units convert the DC outputted by the solar cell panels and the AC outputted by the windturbines into the DC to output to the electric power main control units, and a public power grid is connected with the power supply input ends of the electric power main control units. The RF communication modules and the electric power main control units establish the bidirectional communication connection, and the monitoring management center and the peasant household monitoring nodes respectively utilize the respective RF communication modules to establish the communication connection via the RF network.

The invention discloses a breeding method of insect-resistant upland long stapled cotton. By adopting CRICAAS (Cotton Research Institute of Chinese Academy of Agricultural Sciences) No. 12 as a female parent and Darwinii cotton as a male parent, hybridization is carried out; F1 hybrid is used as a female parent, backcross on the F1 hybrid and the CRICAAS No. 12 is carried out for three times to obtain BC3F1; by using the BC3F1 as the female parent, hybridization on the BC3F1 and parental L41 of Xiangzamian No. 3 is carried out to obtain hybrid generation 1 used as a female parent, modification backcross on the hybrid generation 1 and the BC3F1 is carried out, and the backcross is carried out for four times to obtain BC4F1; then by using the BC4F1 as a female parent, the hybridization on the BC4F1 and Xinhai No. 5 is carried out, the backcross on the obtained hybrid generation 1 used as the female parent and the BC4F1 is carried out for four times; cotton-sealing inbreeding is carried out for six times, and separation is produced; finally, the insect-resistant long stapled cotton Xiang C176 is obtained. The yield of the Xiang C176 obtained by the invention is far higher than that of sea island cotton, and the insect-resistant upland long stapled cotton can be demonstrated and popularized in national main cotton planting areas, thereby increasing the self-supply ability of the long stapled cotton in China, and increasing the market competitiveness of high-grade raw cotton.

The building structure and layout to change the harmful wind load of the building into regenerated energy source includes building structure and wall separated into several regions and segments, wind collecting and lead structure, wind generator system inside pipeline to convert wind energy into electric energy, independent power system capable of supplying power in emergency, and air conditioning and filtering system to utilize the suction effect of high speed airflow the wind collector forms. It has also other parts for realizing other functions.

The invention discloses a method for feeding grasses in an alpine pasturing area all year round, and belongs to the technical field of animal husbandry breeding. The method has the advantages that onthe one hand, the demand quantity of forage grasses is reduced by adjusting the herd structure and eliminating old and weak yak; on the other hand, the yield of herbages is improved by mowing swamp meadow herbage and artificially planting grasses in sheds and abandoned lands; winter grazing and feed supplementing are combined to form all-year-round forage grass supply in the alpine pasturing area,thereby greatly improving the forage grass self-supply ability; in addition, the production efficiency of family ranch animal husbandry in the alpine pasturing area can be significantly improved, theincome of herdsmen is effectively increased, and effective technical support is provided for targeted poverty alleviation in Tibetan alpine pasturing areas.

The invention discloses a water body oxygenation and aeration method and device by utilizing a wind-solar complementary power generation system, and the device comprises a wind power generation device, a photovoltaic power generation device, a storage battery, an inversion device, an air pump, an aeration assembly, a supporting rod and a supporting base, and the surfaces of the supporting base andthe supporting rod of the wind power generation device are thin-film solar cell panels. A photovoltaic power generation storage battery and a wind power generation storage battery are arranged at thelowermost part of the supporting base, the two storage batteries are connected with the inversion device, the inversion device is connected with the air pump, the lower part of the air pump is connected with the aeration device, the aeration device comprises a first aeration pipe and a plurality of second aeration pipes, and the upper end of the first aeration pipe is connected with an air outletof the air pump. With alternate application of solar energy and wind energy, the energy supply self-sufficiency capacity is improved, and meanwhile stable operation of the aeration device in different seasons and different weather conditions is guaranteed.

The invention discloses a refrigerated container based on a self-generating technology. The refrigerated container comprises a refrigerated container body, a refrigerating system and a turbine power generation device, wherein a liquid refrigerant compressed and condensed by the refrigerating system is divided into two paths, after being throttled in the first path, the liquid refrigerant flows into the refrigerated container body to evaporate and absorb heat of refrigerated products, the liquid refrigerant in the second path is sprayed to turbine blades to generate electricity, the generated electricity is provided for the refrigerating system to be used, if the generated electricity is redundant, the generated electricity is stored in an energy storage device, if the generated electricityis not enough to be used by the refrigerating system, the energy storage device releases the electricity or further uses external power to provide the electricity for the refrigerating system in a mixed manner, after gaseous refrigerants of the first path and the second path are converged, circulating compression and condensation are conducted, the flow flowing to the first path and the second path is distributed in real time according to the characteristic that the needed cooling capacity is smaller and smaller in the refrigeration process of the articles, and dynamic adjustment of the generating capacity is achieved. By adopting the scheme, the flow is distributed in real time, and the aims of dynamically adjusting the required power generation amount and integrally improving the self-use rate of power generation in the refrigeration process are achieved.

The invention provides a floatable cable loading facility (3) for receiving and controlling a cable storage tank (1) which can be used without providing additional infrastructure on a quay or vessel. The cable loading facility is able to receive and retain a tank (1) whilst rotating it to allow loading and unloading of the cable.

The invention relates to an efficient movable gas-liquid dual-mode hydrogen fuel filling device. The efficient movable gas-liquid dual-mode hydrogen fuel filling device is operated according to the steps that liquid hydrogen is supplemented by the gas-liquid dual-mode hydrogen fuel filling device; the gas-liquid dual-mode hydrogen fuel filling device prepares for filling; and a liquid hydrogen vaporization unit enters an enhanced heat exchange stage, the liquid hydrogen vaporization unit fully exchanges heat with air through metal fins on a liquid hydrogen vaporization cavity, liquid hydrogen in the liquid hydrogen vaporization cavity absorbs heat to be vaporized, the pressure is increased, and after the set filling pressure is reached, filling preparation is completed. The device has the beneficial effects that extra electric energy can be generated and stored in a vehicle-mounted battery; the device can be used for driving truck platforms and in other application occasions, the energy self-sufficiency rate is greatly increased, the economical efficiency of hydrogenation facilities is improved, and the service market and the application range of the hydrogenation facilities are expanded; and low-temperature liquid hydrogen is used as a main hydrogen storage mode, so that the hydrogen storage capacity is improved, a gaseous hydrogen fuel filling mode and a liquid hydrogen fuel filling mode can be provided, and the application scenarios of the filling system are increased.

A battery, in particular a vehicle battery for a vehicle which is at least electrically drivable, including a battery housing, and at least one first battery module, the first battery module including at least one battery cell, and including at least one battery terminal for connecting the battery to a vehicle. The battery includes at least one second battery module, including at least one battery cell, inside the battery housing, the second battery module being connectable to the first battery module and energy being thereby transmitted between the battery modules, at least one thermal insulation element at least largely surrounding the first battery module, whereby the first battery module is thermally insulated and thermally separated from the second battery module.

The invention discloses a system and a method for preparing activated carbon by aid of a pyrolyzing furnace and a multistage furnace. The system comprises a pretreatment device, the pyrolyzing furnace, the multistage furnace and a buffer tank, wherein a pyrolyzing raw material outlet of the pretreatment device is connected with a pyrolyzing raw material inlet of the pyrolyzing furnace, a carbon residue outlet of the pyrolyzing furnace is connected with a carbon residue inlet of the multistage furnace, a pyrolyzing gas outlet of the pyrolyzing furnace is connected with a gas inlet of the buffer tank, and a gas outlet of the buffer tank is connected with a fuel gas inlet of a burner. The method is a method for preparing activated carbon by the use of the system. By means of the system and the method for preparing the activated carbon, the problems that dust is heavy and pipelines are blocked in the material pyrolyzing process are solved; energy consumption of the system is low, and the self-sufficiency rate of energy is high; no toxic or harmful gas can be produced.

The invention discloses a high-protein Tibetan nettle biscuit and a processing and applying method thereof. The high-protein Tibetan nettle biscuit is prepared from the following components in parts by weight: 50-70 parts of Tibetan nettle, 0-5 parts of bean pulp, 25-45 parts of corn flour and 0-1 part of salt. The tibetan nettle is taken as a roughage component, and is processed and prepared intoa special high-protein Tibetan nettle biscuit for Tibetan sheep, so that Tibetan local natural high-quality forage grass self-feeding ability and sheep productivity are improved. In order to solve the problems that green forage grass supply within 6-7 months for the livestock is insufficient as the Tibet Plateau is high in altitude and is low in air temperature, and especially high-protein high-quality forage grass is severely in short, the invention provides a processing and applying method for the high-protein high-quality forage grass for Tibetan sheep.

The purpose of the present invention is to provide a dual-fuel gas turbine bleed air purging method, which includes dual-fuel nozzles, fuel purge pipelines and gas purge pipelines. The fuel purge pipelines are sequentially installed with throttling components, first-stage fuel purge Sweeping cut-off valve, the outlet of the first-stage fuel purge cut-off valve is connected to the first branch pipeline of fuel and the second branch pipeline of fuel, and the first branch pipeline of fuel is installed in sequence with the second-stage fuel purge shut-off valve, the second One check valve, the dual-fuel nozzle is connected behind the first check valve, the first-stage gas purge cut-off valve is installed on the gas purge pipeline, and the outlet of the first-stage gas purge cut-off valve is connected to the first branch pipeline of gas And the second branch pipeline of gas, the second-stage gas purge circuit cut-off valve and the second check valve are installed in sequence on the first branch pipeline of gas, and the dual-fuel nozzle is connected behind the second check valve. The invention can switch online, meet the requirements of different purge gas sources, and can run continuously and stably.

The invention provides a floatable cable loading facility (3) for receiving and controlling a cable storage tank (1) which can be used without providing additional infrastructure on a quay or vessel. The cable loading facility is able to receive and retain a tank (1) while rotating it to allow loading and unloading of the cable.

The invention relates to a preparation method of modified soil containing hydraulic fill sand and an application method of the modified soil containing the hydraulic fill sand. The preparation methodof the modified soil containing the hydraulic fill sand comprises the following steps: (1) crushing air-dried red soil by utilizing a machine, and carrying out sieving so as to prevent existence of earth and stone with particle sizes greater than 5 cm in a material pile; (2) blending the crushed red soil with an organic fertilizer so as to obtain cultivation soil; and (3) uniformly mixing hydraulic fill sand with the cultivation soil so as to obtain the modified soil containing the hydraulic fill sand, wherein the mass ratio of the hydraulic fill sand to the cultivation soil is 1 to X (X=0.5-1). The preparation method of the modified soil containing the hydraulic fill sand makes full use of the hydraulic fill sand which is abundant in hydraulic reclamation land areas; and moreover, the prepared modified soil containing the hydraulic fill sand is large in pore size, high in permeability and possessed of certain organic matters (biological residues). Therefore, modified soil containing the hydraulic fill sand prepared by the preparation method has higher air permeability, as well as higher water conservation performance and fertilizer conservation performance, compared with common red soil; and thus, the modified soil containing the hydraulic fill sand is capable of achieving good cultivation effects. The preparation method of the modified soil containing the hydraulic fill sandis capable of greatly decreasing dosage of common red soil, reducing transportation cost of cultivation soil, and improving self-sufficiency performance of the cultivation soil in the hydraulic reclamation areas; and thus, cost can be greatly reduced while being environmentally friendly.

The invention relates to an integrated utilization device for waste heat. The integrated utilization device comprises a vacuum module, multiple evaporation modules, a condensation module, a distilled water extraction module and a waste water discharging module. Multiple kinds of heat sources can be utilized for producing distilled water, and the integrated utilization device can adapt to heat sources at different temperatures by regulating a vacuum device, is wide in application range and high in adaptability, saves energy and improves the self-supply capacity of pure water.

Crystallizer for the continuous high-speed casting of a metal product (P), which has a casting cavity (13) defined by walls (14) connected to each other in correspondence with edges (15) and provided with cooling means (16).

The invention relates to the technical field of desert control and discloses a method for controlling desert sand. The method for controlling the desert sand comprises the following steps: S1, preparing fertilizer-retaining granules by a mold, preparing a hollow shell from solid fertilizer by the mold, opening a through hole in the shell in a run-through way and filling the hollow position with mist catching cotton; and S2, placing the fertilizer-retaining granules, mixing and stirring the fertilizer-retaining granules into the sand and enabling the fertilizer-retaining granules to be distributed at different depth of the sand. According to the technical scheme and by the method for controlling the desert sand, the problem that plants cannot grow in the existing desert continuously for a long time is solved.