262results about How to "Solve supply problems" patented technology

The invention relates to a nutrient healthcare product and a method for preparing the same, in particular to a compound vegetable healthcare product and a method for preparing the same. The compound vegetable nutrient powder of the invention consists of the following components in part by weight: 0.1 to 100 parts of dried vegetable powder, 0 to 10 parts of alga-type plant regulating powder, 0 to 96 parts of auxiliary component, 0 to 5 parts of natural flavoring agent and 0 to 5 parts of food additive. The preparation method adopts a simple production process and is suitable for industrialized production, and the product prepared by the method is rich in nutrition and stable in quality, meets the demands of people on various nutrients, regulates the intestines and stomach, improves enterogastric peristalsis, enhances in vivo metabolism of sulfur-contained substances, avoids the adverse effects of human body caused by malnutrition and unbalanced nutrition and prevents and helps to treat diseases such as ulcerative stomatitis, diabetes and constipation. The product has also the advantages of convenience for carrying and long storage period.

The present invention discloses a solar seawater desalinating greenhouse, comprising a main greenhouse, which is used for cultivating crops. A seawater distillation top level is added and arranged on the front part of the top of the greenhouse. An inner layer of the seawater distillation top level adopts a wavelength selective color plastic plate. The cover face of an outer lay of a roof adopts a translucent panel. A freshwater water collecting groove is arranged at the gutter in an inner layer of the roof. The freshwater collecting groove is communicated with a freshwater storage pool through a pipeline. A seawater storage pool, which is used for pumping and storing the seawater is connected and fixed on a jetting pipe in the inner layer of the roof through a water feeding column. Jetting holes are opened on the two sides of the jetting pipe. The present invention integrates the solar seawater desalinating device and the environmental controlled greenhouse in a whole, which is suitable for producing freshwater used in agriculture; in addition, the present invention also has the functions of sun shading and cooling, which can be used for desalinating the seawater and cultivating crops. The present invention can satisfy the need for vegetables supply and the drinking water for men and animals in coastal areas, islands, desert alkali region and so on where have seawater or brackish water but lack of freshwater resource.

The invention discloses an artificial cultivation method for savatier monochasma herb. The method comprises the aspects of planting base establishing, breeding, planting, field managing, harvesting, processing, storing and seed reserving. By adopting the cultivation method, the survival rate of medicine materials is high, the per unit area yield is high, the content of the flavonoid and other effective components is high, the quality of the medicine materials is stable, the pesticide residue does not exist, the pollution does not exist, the heave metal content is low, the quality control is easy to carry out during large-area generalizing and planting, the environmentally-friendly Chinese medicine materials are achieved, the medicine material products are accordant with the standard in the Chinese pharmacopoeia in the 2010 edition.

The invention discloses a high-speed arc discharge, flushing and rotating main shaft device which comprises a mandrel, a shell, a conductive bearing, a conductive disc, an insulating bearing, an insulating flange, a belt wheel, a rotating connector and the like. A main shaft structure capable of rotating, discharging and flushing is given to achieve the purposes of circulating and supply of high-pressure fluid, rotating and conducting, and the problems of discharge corrosion and the like are solved. According to the high-speed arc discharge, flushing and rotating main shaft device, the light-weight design that the insulating bearing is matched with the mandrel in a supporting mode is adopted, the rotating speed of a main shaft is increased, the accuracy of the main shaft is improved, and the insulating reliability of the main shaft is enhanced; the hollow mandrel structure is combined with the rotating connector to achieve the purposes of high-pressure fluid supply and sealing; the rotating conducting defect that overcurrent capacity of an electric brush is limited, or the rotating speed of a conductive sliding ring is low, or a structure is enormous and complex is overcome; the rotating conducting difficulty is lowered to the maximum degree, and the cost is lowered to the maximum degree. The high-speed arc discharge, flushing and rotating main shaft device is simple in structure, convenient to maintain, low in maintaining cost and capable of being effectively used for various discharging milling including electric arc machining.

The invention belongs to the technical field of biodegradable materials, and discloses a bagasse/cassava starch polylactic acid biodegradable material and a preparation method thereof. The bagasse/cassava starch polylactic acid biodegradable material comprises the following components in percentage by mass: 5-20% of bagasse, 10-40% of cassava starch, 20-60% of polylactic acid, 5-20% of polycaprolactone, 0.5-3% of coupling agent, 0.5-5% of plasticizer, and 1-5% of lubricant and heat stabilizer. The preparation method comprises the following steps: uniformly mixing the components, adding into a double screw extruder, and carrying out extrusion granulation at the extrusion temperature of 80-140 DEG C at the screw speed of 40-100 r/min to obtain the bagasse/cassava starch polylactic acid biodegradable material. The material has favorable biodegradability and mechanical properties, and can be used for preparing daily plastic products.

The invention discloses a technology for culturing a fava bean sprout by the adoption of artificial light source, belonging to the technical field of biology. Fava bean seeds with a same size are selected, the seeds are soaked firstly and then taken out for drying, and the seeds are placed in a sprout culture disc for germination. After cotyledons are unfolded, the sprout culture disc is placed in monochrome red light and blue-red combined light until the sprout grows. The monochrome red light and blue-red combined light (B:R=6:4) is most suitable for the growth of cabbage type rape sprout. The technology has the advantages of simpleness in operation, energy saving, environment friendliness and the like, and can be applied in fields of indoor rapid growth, industrial sprout culture and the like for the fava bean sprout.

The invention discloses a method for filling a dam by combining sludge-filled bags and vacuum preloading and relates to the field of dam filling projects. The technical scheme adopted by the invention is that the method comprises the following steps of filling sludge into filling bags to form the sludge-filled bags, and performing layered filling to form an initial section of a breakwater core structure of the dam; arranging interlayer drainage layers, surface drainage layers and strainers, connecting the strainers with a vacuum pump through a vacuum pipeline, and communicating the interlayer drainage layers, the surface drainage layers, the strainers and the vacuum pipeline to form drainage channels; and paving diaphragm seals, and starting the vacuum pump to preload the sludge-filled bags and gradually pump out moisture in the sludge-filled bags to gradually solidify the sludge in the sludge-filled bags to form a final section of the breakwater core structure of the dam. The method for filling the dam by combining the sludge-filled bags and the vacuum preloading is used for various dam projects that beach faces are located underwater or in water table fluctuation zones and various onshore dam projects to fill the breakwater core structure of the dam by utilizing the sludge.

The invention is concerned with a kind of method to produce biochemical fish powder using waste water of fish powder. Filtrate and callback the solid stuff in the waste water of fish powder, and add separating assistant agent in the oil-water to separate and callback the fish oil. After the separation, decompress and concentrate the water solution with low temperature and add preserative agent to keep fresh for using. Dispose the waste water through microwave cracking into cracked solution, add compound proteinase to crack the protein of the cracked solution, adjust the pH value of enzyme hydrolyze solution and add biology gene with some components, such as microzyme to counteract the ferment at feasible temperature, adjust the flowing state of material to counteract the bitterness, salted and fishy smell of solution. Filtrate the viscous stuff such as mucopolysaccharides with ceramic filter having different apertures, and send the concentrated filtrate into the desiccation tower in vacuum to produce the biochemical fish powder by spraying and drying. This invention reduces the produce cost and enhances the quality and digest rate with advanced and feasible process.

The invention discloses a multiple-temperature-gradient utilizing system using solar heat collection. According to the system, three temperature storage water tanks with water of different temperatures contained are adopted, distribution of the water of different temperatures in all the water tanks is adjusted in an optimized mode, hence, gradient utilization can be acheived, and the cooling and heating requirements can be met. Domestic hot water of two different temperatures can be provided by the system, the cooling or heating requirement and the anti-freezing requirement of the radiation tail end of a capillary tube under different season conditions can be met, and thus the comfort, high efficiency and safety are guaranteed. The solar heat utilization and thermoelectricity integration combined supply technology is adopted in the system. The device is provided with a novel solar thermal collector-photovoltaic/photo-thermal collector (PVT) with photovoltaic power generation and solar low-temperature heat utilization integrated. The device comprises a solar high-temperature collector end, a solar PVT intermediate temperature collector end, a lithium bromide absorption type refrigeration low-temperature water storage end, an indoor capillary tube cooling and heating radiation end, a winter anti-freezing exhausting pipeline protection end and a biomass supplementary heat source and domestic hot water making end.

The invention relates to the fields of planting and breeding growth condition control systems and solar energy storage and supply, in particular to a cross-season planting and breeding growth condition control system and a solar heat-supply warm-supply refrigeration power generation system. The system comprises an external heat insulation system, a light transmitting system, a planting and breeding part, an energy collecting system, an energy storage system, an energy supply system, a ventilation system, a light supplement system, an aeration system, a water collecting device, a temperature, humidity, irrigation and fertilization control system and the like. The planting and breeding growth greenhouse system is built, through a heat collecting system and a heat storage system, the solar energy beyond the energy required by growth is collected and stored in the energy storage system, the energy required by greenhouse cooling is reduced, a greenhouse is heated by using collected heat and stored heat in winter, and it is achieved that plants and bred objects effectively grow in winter in the north. By means of the system, it can be achieved that planting and breeding are high in yield, excellent in quality, efficient, ecological and environmentally friendly, the energy collection and storage efficiency is high, the unit output cost is low, the economic and social benefits are high, and a new path is provided for green, low-carbon and cyclic development of agriculture.

The invention provides an integrated solar thermoelectric power station roof which is built of rectangular power-generating heat-collecting modules. The integrated solar thermoelectric power station roof comprises N rectangular power-generating heat-collecting modules which are perpendicular to a roof ridge and sequentially arranged on a sunny slope roof truss, wherein each power-generating heat-collecting module comprises a solar panel, a heat pipe, a flat heat-absorbing fin and a heat-insulating layer which are sequentially arranged on a casing; the flat heat-absorbing fin and the heat pipe are integrally formed; the casing is also provided with heat collecting pipes which are perpendicular to the direction of the heat pipe; the condensation section of the heat pipe is inserted into blind holes of the heat collecting pipes; the length of the heat collecting pipes is equal to the width of the rectangular photovoltaic building modules; the left-right adjacent heat collecting pipes on the casing of the power-generating heat-collecting modules are connected with each other to form heat collecting branch pipes of a system; and a main heat collecting pipe which gathers all heat collecting branch pipes is connected with a heat storage system. The integrated solar thermoelectric power station roof constructs a roof of a building, has the function of power generation, also has high photoelectric conversion efficiency and low comprehensive cost of power generation and solves the difficult problem of hot water supply for residents in the building.

A solidifying agent for the self-hardening furan resin contains toluene (0-5 wt.%) or (0-20 wt%), xylene (2-10) or (5-25), sulfuric acid (35-65) or (10-40), water (0-20) or (20-60), methanol (10-45) or (6-30), alcohol (0-9) or (0-6), and regulating agent (0.05-0.9) or (0.1-0.7) for fast-hardening or slow-hardening furan resin used for casting.

The invention discloses a microgrid power supply system and a control method thereof. The system comprises a generator, a rectification circuit, a DC (Direct Current)/DC circuit, a charging circuit, a battery pack working mode control circuit, a battery pack, an inversion circuit, a power distribution bus bar and a controller and further comprises a monitoring protection and metering circuit I, a monitoring protection and metering circuit II, a power factor compensation circuit and a battery pack monitoring protection circuit. The microgrid power supply system can work in a grid-connected state, also can realize off-grid power supply, and can be used for effectively combining a solar generator, a stand-by generator and a battery pack to realize reliable and continuous power supply.

The present invention relates to one kind of underwater high-confining pressure post-mixing abrasive jet model test system. The model test system consists of mainly underwater environment simulating system and underwater abrasive jet cutting system. The underwater abrasive jet cutting system includes high pressure water generating system, water jet pipeline system, abrasive jet nozzle system, underwater abrasive supplying system and flow rate measuring system. The present invention can realize the underwater cutting environment simulation of any water depth, and solves two difficult problems related to abrasive feeding and back water in underwater high-confining pressure condition. Practice shows that the test system has reasonable design and perfect functions and may be used in the research of abrasive jet erosion performance in any water depth environment.

The invention provides a combined type renewable building energy source supplying system. The combined type renewable building energy source supplying system comprises a heat pump unit, a cold/heat accumulation barrel, a photovoltaic power generation assembly which is connected with a photovoltaic inverter further connected with the heat pump unit, a domestic hot water plate type heat exchanger, an electric power storage device, a solar energy heat collection device which is connected with a solar energy heat collection plate type heat exchanger further connected with the cold/heat accumulation barrel and the domestic hot water plate type heat exchanger, and a heat pipe type ground heat exchanger which is connected with the heat pump unit and a transition season cold supply plate type heat exchanger respectively. The comprehensive renewable building energy source system in which a heating system, a refrigeration system, a domestic hot water supplying system, an illumination system and the like are fused and combined is formed by organically combining a cold/heat accumulation technology, a heat pump technology, and an electric power storage technology, and has the advantages of saving energy, along with high efficiency.

The invention discloses a multi-effect regenerative heat source tower heat pump system. The multi-effect regenerative heat source tower heat pump system comprises a closed type heat source tower, a heat source tower circulating pump, a bypass regulating valve, a heat pump unit, an organic solution circulating pump, an inlet regulating valve, an outlet regulating valve, a condenser bypass regulating valve, a water return regulating valve, a water supply regulating valve, a condenser, a first-effect heat exchange chamber, a second-effect heat exchange chamber, a third-effect heat exchange chamber, a fourth-effect heat exchange chamber, a condensate heat exchanger, a solution heat exchanger, a deaeration chamber, a first heat exchanger, a second heat exchanger, a condensation deaeration chamber, a condensate pump, a first solution booster pump, a second solution booster pump, a vacuum pump, a pressure switch, a concentrated solution regulating valve, a condenser regulating valve, a condensation deaeration chamber regulating valve, a condensation deaeration chamber drain regulating valve, a condenser drain regulating valve, a dilute solution regulating valve, a first-effect solution outlet regulating valve, a second-effect solution outlet regulating valve, a third-effect solution outlet regulating valve, a fourth-effect solution outlet regulating valve, a first-effect water supply regulating valve, a second-effect water supply regulating valve, a third-effect water supply regulating valve, a fourth-effect water supply regulating valve, a second-effect drain regulating valve, a third-effect drain regulating valve, a fourth-effect drain regulating valve, a first-effect bypass drain regulating valve, a second-effect bypass drain regulating valve, a third-effect bypass drain regulating valve and a first-effect hot water regulating valve.

The invention relates to a method for preparing bio-based nylon polybutyrolactam. The method comprises the following steps of: fermenting and converting a biomass material to obtain glutamic acid, enzymatically converting by using glutamic acid decarboxylase and extracting and purifying to obtain a gamma-aminobutyric acid, and performing high-pressure polymerization to prepare the bio-based nylonpolybutyrolactam. Compared with the prior art, the method does not require ring-opening polymerization when butyrolactam is taken as a raw material, so that the problem of raw material supply in the mass production of Polyamide (PA) 4 is solved; and the method replaces the chemical high-temperature and high-pressure process by utilizing a biological conversion process, so that the production costis greatly reduced, and the large-scale application of the PA4 becomes possible.

The invention relates to a leading-edge slat with a drainage groove and a designing method of the drainage groove. By designing the drainage groove with a certain geometric shape, a wide inlet formed in the lower surface and a narrow outlet formed in the upper surface in the leading-edge slat, and by utilizing the pressure difference of the upper and lower surfaces of the leading-edge slat, an air flow with high pressure of the lower surface of the leading-edge slat is introduced into the upper surface of the leading-edge slat by virtue of the drainage groove and is blown out along the tangential direction of the upper surface of the leading-edge slat for blowing down a low-energy air flow piled on the upper surface of the leading-edge slat, repairing a damaged speed type of a boundary layer, lowering the thickness of the boundary layer and improving the ability of the boundary layer to resist adverse pressure gradient, and thus, separation of the air flow, around the leading-edge slat, is delayed, the stalling process of an aircraft is slow, variation of the aircraft lift after stalling is mitigated, and the stalling characteristic of the aircraft is alleviated. According to the invention, the leading-edge slat is applied to some civil aircraft and is capable of postponing the stall angle alpha stall of an aircraft body combination of equal-chord swept back wings of the aircraft by 1 degree when the aircraft is in a typical takeoff/landing state with the flight speed being mach number 0.20 and turning the aircraft into slow stalling from sudden stalling, and the lift variation after stalling is small, so that the stalling prewarning time is effectively prolonged, and the flight safety is improved.

The invention relates to the technical field of special aquaculture, in particular to a method for simulated ecological breeding and healthy efficient aquaculture of channa asiatica. The method includes breeding muddy ditch construction, aquaculture muddy pond construction and simulated ecological breeding and healthy efficient aquaculture of channa asiatica. An aquaculture process includes: selecting parent fishes and culturing before March of the first year; from April to August of the first year, after natural mating of the parent fishes, allowing spawning in a spawning muddy pond; carrying out spawn hatching and fry culturing from May to September of the first year; carrying out graded aquaculture of fry in the aquaculture muddy pond from June to October of the first year; marketing from January of the second year. From channa asiatica aquaculture facility structures, aquaculture water quality regulation, aquaculture bait varieties, disease prevention and sterilization drugs to a whole aquaculture process, an ecological breeding and healthy efficient aquaculture state is kept basically, and product quality is similar to that of wild products. The method for simulated ecological breeding and healthy efficient aquaculture of channa asiatica is especially suitable for industrial demonstration and popularization.