34results about How to "Reduce or even avoid the use of" patented technology

The invention discloses a closed-type constant-temperature multi-layer water circulation turtle cultivation system which comprises a multilayer turtle cultivation pool devices, a cultivation water environment adjusting device, an indoor air environment adjusting device and a cultivation system operation control device, wherein the multilayer turtle cultivation pool device comprises a plurality of turtle cultivation pools, circulating water return pipes, circulating water outlet branch pipes and main circulating water outlet pipes, primary solid liquid precipitation devices, blow-down valves and pollution discharge blow-down pipes; the cultivation water environment adjusting device comprises a solid-liquid separator, a blow-down valve, a sterilizer, a protein separator, a biological filtering device or tank, a circulating pump and a water heating device; and the indoor air environment adjusting device comprises an air heating device, an air oxygenating device and an insulation building. According to the closed type constant-temperature multi-layer water circulation turtle cultivation system, turtle cultivation environments can be comprehensively controlled, the land, the water and the energy are saved, an optimal ecological environment suitable for turtles to rapidly grow is established, turtle cultivation is free of drugs, and healthy and safe food sanitation requirements are met.

The invention discloses a urethane acrylate low polymer and a preparation method and an application thereof. The urethane acrylate low polymer is prepared through the reaction of monofunctional alkylphenol ethoxylates and diisocyanate and the end capping by using 2-hydroxyethyl acrylate. The preparation method comprises step of: dropwise adding diisocyanate into the monofunctional alkylphenol ethoxylates at 40-60 DEG C to react on a heat insulating condition, thus obtaining a semi-addition product; and cooling the semi-addition product to 30-40 DEG C, dropwise adding a uniform mixture of hydroxyalkyl acrylate or methyl hydroxyalkyl acrylate and a polymerization inhibitor into a reactant, reacting for 15-30 minutes on a heat insulating condition, dropwise adding a catalyst and continuously reacting for 40-60 minutes, then heating to 50-60 DEG C and keeping the reaction, thus obtaining the urethane acrylate low polymer. Long soft segments are introduced into a molecular structure and have monofunctional degrees, and molecular chains can freely rotate, so that resin can have excellent softness and extremely low viscosity; and moreover, the structure contains benzene rings, so that molecules do not lose rigidity.

The invention provides a feed additive for preventing a fatty liver of largemouth bass. The feed additive is prepared from the following raw materials in parts by weight: 15-22 parts of astragalus membranaceus, 13-20 parts of salviae miltiorrhizae, 4-8 parts of pericarpium citri reticulatae, 4-8 parts of fingered citron, 4-8 parts of citron, 7-12 parts of hawthorn, 3-6 parts of radix glycyrrhizae preparata, 5-8 parts of flos carthami, 4-6 parts of christina loosestrife herb, 4-6 parts of rheum officinale, 4-6 parts of herba artemisiae scopariae, 2-4 parts of curcuma aromatic, 4-8 parts of vitamin C, 3-5 parts of vitamin E, 3-6 parts of methionine and 1-3 parts of choline. The feed additive provided by the invention is capable of effectively preventing a fatty liver disease of the largemouth bass, so that frequent fatty liver phenomenon in a fish body when an artificial compound feed is used instead of fresh-frozen products in largemouth bass culture is solved; and an effective solving way is provided for healthy sustainable farming of the largemouth bass.

The invention belongs to processing of organic junk and organic waste water and resource technology field, more particularly relates to a method of producing biological active water by livestock and poultry dung urine. The invention utilizes rocks containing various mineral matters and humus to culture soil microorganism crowd with humification function for clearing environmental pollution of livestock and poultry dung urine at the same time, processed effluent can improve sprouting rate and germinating biability of paddy seeds apparently, can be applied to organic farm production, improvement of livestock and poultry drinking water on farm, environmental improvement of hut microorganism; applied to paddy may strengthen resistance of rice blast, raise edible taste value of paddy, applied to vegetable and fruit may raise output and quality, strengthen the ability of resistance disease, reduce even avoid the use of pesticide and chemical fertilizer; applied to farm may avoid that livestock and poultry use antibiotic to reduce production accident. The invention not only reduce environmental burden, but also has ability of restoration destroyed environmental; may form cycle type agriculture in area, promote development of organic agriculture.

The invention discloses an atractylodes macrocephala special microbial agent and a preparation method thereof. The atractylodes macrocephala special microbial agent is prepared by fermenting at leasttwo of bacillus subtilis, bacillus amyloliquefaciens and bacillus methylotrophicus. Through synergism effects of the three plant probiotics of bacillus subtilis, bacillus amyloliquefaciens and bacillus methylotrophicus, the atractylodes macrocephala special microbial agent reduces squaring blooming of atracylodes macrocephala, promotes root and stem growth of atracylodes macrocephala, increases the yield of atracylodes macrocephala, and in field experiments, increase the yield per mu (=0.0667 hectare) of atracylodes macrocephala by 220 kilograms. Meanwhile, the atractylodes macrocephala special microbial agent improves resistance of atractylodes macrocephala to diseases such as ceitocybe bescens, leaf blight, southern blight and septoria lycopersici, reduces or even avoids application of pesticides, reduces pesticide residues of atractylodes macrocephala and improves the quality of atractylodes macrocephala. In field experiments without application of any pesticides, plants can be robust in growth and free from diseases and achieve a survival rate of 100%.

The high heat dissipating and low noise circuit board has metal plate as base material and successively laminated insulating layer, circuit layer and covering metal layer. The complete metal base material can transmit the heat the modules in the circuit board produce and increase the heat dissipating area. The circuit board structure has insulating layer with buffering surface and the buffering surface has micropores to increase the adhesion of the circuit layer and reduce the amount of adhesive. The covering metal layer can block electromagnetic interference effectively.

An electric paddy field weeding machine comprises a handle, a push rod, a rechargeable motor, a rotating disc and a floating plate component. One end of the push rod is connected with a handle, the other end of the push rod is connected with a rotating shaft of the rotating disc, the rechargeable motor is connected with the rotating shaft through a transmission component and drives the rotating shaft to rotate, and the rotating disc is connected with the rotating shaft in the mode that the rotating disc does not move relative to the rotating shaft. The floating plate component is fixedly connected to one end of a rigid bow-shaped connecting piece, the other end of the bow-shaped connecting piece is connected to the rotating shaft through a bearing, and a plurality of hook tooth componentsprotruding out of the surface of the rotating disc are arranged on the rotating disc.

The invention discloses a method for removing bacterial contamination in fungi. The method comprises the following steps: (1) carrying out high temperature sterilization on a prepared fungus culture medium, pouring the sterilized fungus culture medium into a sterile culture dish, and cutting one or more than one small hole on a culture medium flat plate after the culture medium is solidified; (2)selecting samples in proper size and placing the samples in the small hole; (3) covering a sterile cover glass, and slightly pressing the periphery of the cover glass to make the cover glass closely contact with the culture medium so as to ensure that no air bubbles are left between the culture medium and the cover glass; (4) putting the culture medium obtained in the step (3) into a constant temperature and humidity incubator for culture; and (5) picking new fungus hyphae growing around the cover glass, and re-inoculating the fungus hyphae to a new fungus culture medium for culture, thereby obtaining fungus colonies. The invention has the advantages of excellent bacteria removing effect, no rebound, wide applicability, simple operation, small workload and short experimental period.

The invention discloses a mounting structure of an oxygen sensor of a motorcycle. The mounting structure comprises a motorcycle exhaust pipe connected with an engine cylinder head. The oxygen sensor is fixedly mounted on the surface of the outer circle of the exhaust pipe. A measuring head part of the oxygen sensor penetrates through the surface of the exhaust pipe and stretches into the exhaust pipe. The exhaust pipe is of a sectional structure, and all sections are fixedly combined into a whole. An independently formed special-shaped pipe is located at the bend at the end, close to the cylinder head, of the exhaust pipe, and the oxygen sensor is mounted on the special-shaped pipe. According to the design of the mounting structure, the layout of the exhaust pipe and the oxygen sensor is not limited by the bending process, and the problems of part layout interference and space insufficiency can be easily solved through the special-shaped pipe which is not in a specific regular shape; gaps between the oxygen sensor and surrounding parts are guaranteed, and the degree of freedom of the layout of the exhaust pipe and the oxygen sensor is higher.

The invention belongs to the technical field of building structures, and particularly relates to a multi-layered vibration suppression structure with a tension assembly. Stress and deformation of a plurality of floors are associated by arranging thin tension assemblies between the floor components of the adjacent floors, so that the structure can be widely applied to structure response control of various large-span or long cantilever structures under vibration loads of pedestrians, vehicles, equipment and the like. The structure is simple, transparent in vertical surface effect, high in vibration control efficiency and good in economical efficiency.

The present invention provides a transparent conducting layer for a heterojunction solar cell and a heterojunction solar cell. The transparent conducting layer comprises a conducting polymer layer including an opposite first surface and second surface. A one-dimensional conducting material located on at least one surface of the opposing surfaces of the conducting polymer layer or coated inside theconducting polymer layer. The invention reduces or even avoids the use of rare indium element with high valence, and can remarkably reduce the production cost; The process is simple, does not need high-priced vacuum equipment, does not need high-temperature process, more suitable for heterojunction batteries; At the same time, the light transmittance of the transparent conducting layer of the invention is equivalent to that of the existing indium oxide-based thin film, and the transparent conducting layer has high conductivity, so that the consumption of the metal electrode paste can be reduced; Compared with the existing indium oxide-based thin films, the cost is lower and the mechanical properties are better, which can be widely used in flexible devices.

The invention discloses a mariculture platform, and relates to the technical field of mariculture. The mariculture platform comprises a platform body, a wind power generation mechanism, a wave energypower generation mechanism an electric energy storage mechanism and a feeding mechanism, wherein the upper part and the lower part of the platform body extend out of and into the sea surface respectively; the wind power generation mechanism is arranged at the upper part of the platform body; the wave energy power generation mechanism is arranged at the lower part of the platform body; the electricenergy storage mechanism is arranged on the platform body, and the charging end of the electric energy storage mechanism is electrically connected with the wind energy power generation mechanism andthe wave energy power generation mechanism at the same time; and the feeding mechanism is arranged on the upper part of the platform body and comprises a feed supply box, a timing switch valve and a feeding channel, the inlet end of the feeding channel communicates with an outlet of the feed supply box through the timing switch valve, the timing switch valve is electrically connected with the power supply end of the electric energy storage mechanism, and a feeding outlet communicating with the circumferential outer space of the platform body is formed in the outlet end of the feeding channel.By means of the mariculture platform, the per unit yield of culture can be improved, the energy cost is reduced, and the culture benefit is effectively improved.

The invention provides a solid waste treatment device and a solid waste treatment process, which belong to the field of organic matter treatment. The treatment device comprises an electrohydrolytic ammonia nitrogen separation system, an ammonia nitrogen stripping system and an ammonia nitrogen recovery system. An inlet end of the ammonia nitrogen stripping system is communicated with a main outletend of the electrohydrolytic ammonia nitrogen separation system; a first outlet end of the ammonia nitrogen stripping system is communicated with an inlet end of the ammonia nitrogen recovery system.The treatment device is simple, low in cost, and suitable for treating organic wastes containing ammonia nitrogen matters. The treatment device is used for electrically hydrolyzing solid organic matters to be treated through the electrohydrolytic ammonia nitrogen separation system, the hydrolyzed liquid is input to the ammonia nitrogen stripping system, and NH4<+> in the liquid is input to the ammonia nitrogen recovery system through an ammonia gas way so as to be recycled. The process is simple and short in time consumption, the removal efficiency of the organic matters is favorably improved, the use of an alkaline chemical agent can be reduced and even avoided, and the operation cost is favorably reduced.