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

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 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 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.

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.

To provide: a process for producing euglena containing a wax ester at a high content, by culturing a microalga euglena aerobically by photosynthesis using carbon dioxide as a carbon source, further culturing the microalga euglena under nitrogen-starved conditions to increase the amount of accumulated paramylon per cell, and subsequently leaving the microalga euglena under anaerobic conditions, thereby producing euglena containing a wax ester at a high content; and a process for producing a wax ester. [Solution] The invention relates to a process for producing euglena containing a wax ester at a high content. The process comprises a first step of culturing a microalga euglena aerobically, a second step of further culturing the microalga euglena while retaining the culture medium under nitrogen-starved conditions, and a third step of retaining cells of the microalga euglena under anaerobic conditions.

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 relates to a cultural display device with a thin-film solar cell applied to a light-emitting plastic advertising board, and belongs to the technical field of new energy power generation culture. Due to shielding of atmospheric brown clouds in the air and haze on the ground, solar radiation received on the ground is already reduced by 4%, electric energy production of the thin-film solar cell mounted on the advertising board on the ground is reduced, and power supply to a display screen is affected. The electric energy production of the thin-film solar cell can be increased by light emitted from the light-emitting plastic advertising board produced from long-lasting light-emitting materials and light reflected by LED lamps and sunshine, current outputted from the thin-film solar cell is inputted into controllers through an electric lead to be adjusted, current outputted from the controllers is supplied to the LED lamps through the electric lead and LED lamp conducting frames for lighting, and current outputted from the controllers is supplied to the display screen through the electric lead. Current outputted from lithium ion batteries is supplied to the display screen and the LED lamps respectively through the electric lead, photosensitive self-control switches and the controllers.

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.

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).