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71results about How to "Protection loss" patented technology

Dynamic water-pressure drip-irrigation system

The invention discloses a dynamic hydraulic pressure drip irrigation system, characterized in that, an inlet of a water pump is connected with a caml water source through a pipe, a pressure water source and a reservoir enter a trunk after being connected with an outlet of the water pump; a switch solenoid valve, a check valve, an irrigation main switch and a main filter are arranged in turn on the trunk, a solenoid valve is connected in parallel with the switch solenoid valve through a branch pipe, a fertilization switch and a fertilizer placer are connected with the irrigation main switch in parallel through the branch pipe, a fertilizer controlling valve and a fertilizer pot are connected in turn under the fertilizer placer; a pressure gauge, main filter, a filter flushing valve and a water gauge are arranged on the trunk; a douche is arranged on bottoms of different branches of the branch pipe; each valve is connected with a controller through control lines, a frequency converter is connected between the water pump and the controller. The system causes operation water pressure to change antomatically and dynamically, keeps a larger working water pressure, meanwhile, reduces practical working pressure of the drip irrigation system, also reduces operation cost of the micro irrigation system.
Owner:HUAZHONG UNIV OF SCI & TECH

Special strawberry composite biological fertilizer as well as preparation method and application thereof

The invention relates to a special strawberry composite biological fertilizer as well as a preparation method and application thereof. The special strawberry composite biological fertilizer comprisesthe following components: EDTA-Ca (Ethylene Diamine Tetraacetic Acid), magnesium sulfate heptahydrate, EDTA-Mg, heptahydrate, EDTA-Zn, manganese sulfate monohydrate, EDTA-Mn, boric acid, EDTA-Fe, EDTA-Cu, soybean molasses, polyglutamic acid fermentation broth, chitosan oligosaccharide, algin, compound amino acid, humic acid, bacillus thuringiensis fermentation broth, bacillus megatherium fermentation broth, bacillus mucilaginosus fermentation broth and streptomyces jingyangensis fermentation broth. Through bacterium activation, seed liquid preparation, fermentation culture and compounding, thecomposite biological fertilizer is prepared, the composite biological fertilizer is applied to strawberry planting, and a diluted composite biological fertilizer liquid is sprayed at different growthstages of strawberry respectively. Due to synergetic effects of substances such as inorganic salts, organic matters and microorganisms, long lasting nutrient substances are provided to strawberry crops, absorption of nutrients in soil by plants is promoted, the fertilizer amount is reduced, and the chemical fertilizer cost is reduced.
Owner:天津北洋百川生物技术有限公司

Control method of dynamic water-pressure drip-irrigation system

The invention discloses a dynamic hydraulic pressure drip irrigation system, characterized in that, an inlet of a water pump is connected with a caml water source through a pipe, a pressure water source and a reservoir enter a trunk after being connected with an outlet of the water pump; a switch solenoid valve, a check valve, an irrigation main switch and a main filter are arranged in turn on the trunk, a solenoid valve is connected in parallel with the switch solenoid valve through a branch pipe, a fertilization switch and a fertilizer placer are connected with the irrigation main switch inparallel through the branch pipe, a fertilizer controlling valve and a fertilizer pot are connected in turn under the fertilizer placer; a pressure gauge, main filter, a filter flushing valve and a water gauge are arranged on the trunk; a douche is arranged on bottoms of different branches of the branch pipe; each valve is connected with a controller through control lines, a frequency converter is connected between the water pump and the controller. The system causes operation water pressure to change antomatically and dynamically, keeps a larger working water pressure, meanwhile, reduces practical working pressure of the drip irrigation system, also reduces operation cost of the micro irrigation system.
Owner:HUAZHONG UNIV OF SCI & TECH

Cultivation method for promoting santalum album to grow into useful timber early and high yield

The invention discloses a cultivation method for promoting santalum album to grow into useful timber early and high yield. The cultivation method comprises the steps as follows: A, selecting healthy santalum album seedlings propagated by seeds of healthy and mature seed trees and cultivated with parasitism of kuhnia rosmarnifolia vent; B, selecting an area where bananas can be planted as a planting area; C, loosening soil and digging holes in the selected area according to the pH of land; D, applying mixed farmyard manure in dug pits to serve as a base fertilizer; E, planting the healthy santalum album seedlings in the dug pits; F, appropriately watering dilute manure water or a nitrate nitrogen compound fertilizer dilute solution with the concentration of about 1:300 after planting for 15-20 days; and the like. According to the cultivation method, existing seedling cultivation is inherited as the basis, according to the nature of the survival of the santalum album, artificial and natural conditions are fully used and combined, the planting method of guide, control and gradual removal of parasitism is further adopted, and the survival mode that the santalum album depends on parasitism is changed thoroughly, so that the santalum album grows into the useful timber early and is high in density; and the operation is simple and convenient, and the method can be promoted for large-scale industrialization.
Owner:SHENZHEN LYUSHENGYUAN GARDEN GREENING

Water heater having anode bar loss detection prompting function and control method thereof

Provided are a water heater having an anode bar loss detection prompting function and a control method thereof. The water heater comprises an inner container arranged inside a housing, an anode bar, an electric heating tube and a control mainboard responsible for water heater control, wherein the anode bar and the electric heating tube are installed inside the inner container. The water heater further comprises a current detection circuit, wherein the current detection circuit is connected with an alarm prompting circuit and is installed outside the inner container. The control method of the water heater comprises the steps of 1S starting the control mainboard of the water heater, supplying water and electricity for the water heater and starting a water heater heating circuit, 2S detecting the loss situation of the anode bar, and 3S enabling the water heater heating circuit and the current detection circuit to be automatically powered off when the temperature of the water heater is up to predetermined temperature. The water heater can automatically detect protective current according to the actual using environments of different uses and self factors and judge the loss situation of the anode bar, and it is ensured that the anode bar conducts comprehensive protection on the electric heater and the inner container.
Owner:山东新基德电器有限公司

Method for treating electroless nickel-plating wastewater through combination of hydrogen-peroxide oxidation and ion exchange adsorption

The invention provides a method for treating electroless nickel-plating wastewater through the combination of hydrogen-peroxide oxidation and ion exchange adsorption in order to solve the problem that nickel ions are difficult to stably and standardly discharge in the existing electroless nickel-plating wastewater treatment. The method includes the following steps that 1, the hydrogen-peroxide oxidation method is used for decomposing a complex compound, wherein sulfuric acid or sodium hydroxide is poured in electroless nickel-plating wastewater firstly, the pH value is adjusted to 2.0-3.0, a proper amount of hydrogen peroxide is poured to decompose a complexing agent in the wastewater and nickel ions are thus separated from the complexing agent to be in an ionic state; 2, the ion exchange adsorption method is used for treating nickel ions, wherein after being subjected to oxidation and complex compound decomposing, the electroless nickel-plating wastewater passes through a multi-medium filter, impurities in the wastewater are removed, after impurity removal, the wastewater enters a heavy metal exchange adsorption system for exchange adsorption, the nickel ions in the wastewater are removed, effluent can reach discharge standards, exchange adsorption is conducted on the nickel ions on ion exchange fibers, and then eluting, precipitation and thermal decomposition are conducted for recycling. According to the method, it can be effectively ensured that the nickel ions subjected to electroless nickel-plating wastewater treatment are stable and reach the 'emission standard of pollutants for electroplating' (GB21900-2008), at the same time, nickel in wastewater is recycled, the process is simple, operation and management are convenient, and no secondary pollution is caused.
Owner:SHENZHEN QIANHAI ZHONGSHENG ENVIRONMENTAL PROTECTION TECH

Linear motor thrust measuring device and measuring method

The invention provides a linear motor thrust measuring device and a linear motor thrust measuring method. The linear motor thrust measuring device comprises a linear motor and a test platform, whereinthe linear motor comprises a stator and a rotor, and the rotor is fixed on a first sliding block and can linearly move on a first rail relative to the stator along with the first sliding block; a second rail is arranged on the test platform, and the stator is fixed on the second sliding block and can slide along the second rail along with the second sliding sheet; baffles are fixedly arranged atthe two ends of the stator respectively, force sensors are arranged between the baffles and the stator end, the stator is clamped between the two force sensors, the two force sensors are used for detecting counter-acting forces, and therefore electromagnetic thrust of the linear motor is obtained. The linear motor thrust measuring device is simple in structure, the force sensors are static in themeasuring process, extra drag chain wire arrangement is not needed, the loss of the force sensors is small, and the measuring device can be used for measuring the electromagnetic thrust of a no-load linear motor and can further be used for measuring the electromagnetic thrust when a rotor is loaded with a load.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI

Grounding resistance reduction agent and method for lowering corrosion on grounding body due to grounding resistance reduction agent

The invention relates to the technology of grounding for lightening, in particular to a grounding resistance reduction agent and a method for lowering corrosion on a grounding body due to the grounding resistance reduction agent. The method includes preparation of a long-acting anticorrosive agent, preparation of the grounding resistance reduction agent and mixing of the long-acting anticorrosive agent in the grounding resistance reduction agent. The preparation of the long-acting anticorrosive agent includes the steps: firstly, selecting, by weight, 20-30 parts of ammonium carbonate, 50-60 parts of powdered activated carbon and 50-60 parts of bentonite not less than 400 meshes; secondly, feeding the ammonium carbonate, the powdered activated carbon and the bentonite in the proportion into a mixer for blending and mixing, adsorbing the ammonium carbonate with the powdered activated carbon and coating the ammonium carbonate with the bentonite to obtain the long-acting anticorrosive agent. The long-acting anticorrosive agent has two major features of alkalescence and slow release and can keep long-acting anticorrosive effect, thereby being initiative. The grounding resistance reduction agent is remarkable in resistance reduction effect, environment friendly, convenient to use and low in cost.
Owner:东莞市华炜雷电防护设备有限公司 +1

Temporary dwelling roof structure

The invention discloses a temporary dwelling roof structure which comprises a protective layer, wherein a vapor-proof layer is arranged on the bottom surface of the protective layer; a waterproof layer is arranged on the bottom surface of the vapor-proof layer; a thermal insulation layer is arranged on the bottom surface of the waterproof layer; a heat preservation layer is arranged on the bottom surface of the thermal insulation layer; a shock absorption layer is arranged on the bottom surface of the heat preservation layer; a sound insulation layer is arranged on the bottom surface of the shock absorption layer; a fireproof layer is arranged on the bottom surface of the sound insulation layer; a structural layer is arranged on the bottom surface of the fireproof layer; profiled steel sheets are arranged on the surfaces of the structural layer and the protective layer. The temporary dwelling roof structure disclosed by the invention has the beneficial effects that the strength and firmness of the roof are improved, the heat resistance of the roof is improved, the influence of the roof on external environmental change is reduced, and the condition that the roof is cracked is avoided. Meanwhile, the temporary dwelling roof structure has the waterproof, sound-insulated and shock-absorbing effects, the practicality of the roof is greatly improved, and the service life of the roof is prolonged.
Owner:上海闵轩钢结构工程有限公司

Method for producing stone-simulative microlite from slag and waste glass

The invention discloses a method for producing stone-simulative microlite from slag and waste glass. The method comprises the following steps of 1, crushing slag and waste glass into particles of less than 2 meshes, 2, carrying out primary full pre-mixing on each 100-1000t of the particles, 3, carrying out sampling and carrying out complete chemical analysis, 4, designing a formula and a composition list according to components, 5, carrying out weighing and mixing, 6, melting the mixture to obtain a glass liquid, 7, preparing glass blocks, 8, carrying out air cooling or water cooling to obtain glass blocks with crack patterns (or directly preparing a glass water-quenched material), 9, transferring the glass blocks into a shelf board mold, 10, crystallization, 11, preparing a raw plate blank, 12, carrying out polishing, 13, carrying out trimming, 14 carrying out packaging and 15 conveying the product out of the factory. The method changes slag and waste glass into valuables. The stone-simulative microlite does not produce radiation, is environmentally friendly, has various patterns, can replace stones, reduces stone exploitation, prevents water and soil loss, utilizes the slag and waste glass having wide sources and can replace a plurality of chemical raw materials. The slag used by the method has complex composition and contains various non-ferrous metals. The method reduces a production cost and can prepare colorful stone-simulative microlite.
Owner:冯翠兰

Control mechanism for opening and closing heating furnace door

The invention discloses a control mechanism for opening and closing a heating furnace door. The control mechanism is characterized in that the frontage of a heating furnace is provided with multiple furnace doors which are arranged vertically, wherein each furnace door is respectively connected with a control mechanism; each control mechanism comprises a pair of air cylinders, a pair of air cylinder rotating arms, a furnace door rotating arm and multiple furnace door supporting arms, wherein the pair of air cylinders are arranged on the two side faces of the heating furnace through air cylinder installation bases; one ends of the pair of air cylinder rotating arms are respectively connected with ends of piston rods of the pair of air cylinders through a knuckle bearing one to one; two ends of the furnace door rotating arm are respectively fixedly connected with the other ends of the air cylinder rotating arms one to one and are respectively rotatablely connected to the two side faces of the heating furnace through a bearing base, and so that the furnace door rotating arm is positioned in front of and above each furnace door; and one ends of the multiple furnace door supporting arms are uniformly fixed on the furnace door rotating arm, and the other ends of the multiple furnace door supporting arms are flexibly connected with the external surfaces of the furnace doors.
Owner:SHANGHAI FANUC ROBOTICS

Novel method for treating chrome-containing wastewater and recycling chrome of chrome pigments

The invention relates to a novel method for treating chrome-containing wastewater and recycling chrome of chrome pigments. The novel method comprises two parts, namely treating the chrome-containing wastewater and recycling the chrome of the chrome pigments. The treatment to the chrome-containing wastewater of the chrome pigments refers to carrying out pressure filtration on the chrome pigments, carrying out physical impurity removal on the chrome-containing wastewater generated in a washing process, adjusting a pH value and then carrying out exchange adsorption in an ion exchange system to ensure that effluent reaches the emission standards of China; after adsorption saturation by ion exchange resin and fiber, a regenerant is used for carrying out regeneration and transformation to obtain a high-concentration sodium dichromate concentrated solution. The recycling of the chrome refers to taking the sodium dichromate concentrated solution as a raw material for pigment production, and adding the solution to a pigment synthesis system to prepare pigment; the prepared pigment is subjected to pressure filtering, washed, dried, ground and packaged to obtain the finished product. According to the method disclosed by the invention, chrome in the wastewater can be resourcefully recycled while ensuring that hexavalent chrome in the chrome-containing wastewater in the chrome pigments is discharged after reaching the standards; the novel method is can either be big or small in scale, simple in process route, low in energy consumption, high in recovery rate of chrome and free of secondary pollution and has favorable economic benefit and social benefit.
Owner:SHENZHEN QIANHAI ZHONGSHENG ENVIRONMENTAL PROTECTION TECH

Shredded hot pepper Nang and preparation method thereof

PendingCN110810815AProtects against loss of nutrientsProtect the loss of capsanthinFood scienceHorticultureNutritional composition
The invention relates to the technical field of Nang making, and in particular to shredded hot pepper Nang and a preparation method thereof. The shredded hot pepper Nang is prepared by the following steps: mixing flour, eggs, table salt, sugar, rapeseed oil and fermentation powder, then adding water, performing uniform stirring, and kneading the mixture into a dough; after the dough is fermented,kneading the fermented dough into strips, cutting the strips into blocks, and rolling the blocks to be flat; spreading shredded hot pepper sauce special for making Nang onto the rolled doughs, wrapping the shredded hot pepper sauce, and performing rolling to obtain Nang blanks, wherein the upper half part of each Nang blank is provided with vent holes; and baking the Nang blanks to obtain the shredded hot pepper Nang. According to the invention, original nutrient components and capsorubin are greatly protected from being lost by combination of shredded hot pepper special for cold-stirred Nangpreparation and the Nang blanks, and meanwhile, the obtained shredded hot pepper Nang is fragrant and delicious, has full sauce flavor and slightly hot taste, and is suitable for being eaten by peopleof all ages. The preparation method is simple and convenient, types of Nang products are enriched, and applications of hot pepper sauce are broadened.
Owner:新疆西尔丹食品有限公司
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