48results about How to "Strong high temperature resistance" patented technology

The invention discloses a three-phase self-foaming water-plugging agent, and belongs to the field of petroleum chemistry. The provided water-plugging agent comprises the following components: solid particles, a foaming agent, a foam stabilizing agent, a crosslinking agent, a delaying agent, and a gas producing agent. Compared with the prior art, the provided water-plugging agent has the advantages of high foam quality and good stability, the gel crosslinking and gas production can be achieved at the same time, the water-plugging agent can tolerate high temperature, has a strong residue blocking performance and a long water-plugging period, and can achieve efficient plugging and depth profile control. Moreover, the preparation technology of the provided water-plugging agent is simple, the injection cost is low, and the water-plugging agent is safe and reliable, thus has a good market prospect and high economic value, and is especially suitable for the development of high temperature heavy oil steam stimulation wells.

The invention provides a high-temperature resistant saccharomyces cerevisiae strain and a breeding method of the high-temperature resistant saccharomyces cerevisiae strain. The saccharomyces cerevisiae (Saccharomyces cerevisiae) SY-5-11L has a preservation number of CGMCC No.7377. The strain is characterized in that the ethanol yield is 13.9% (v / v) at a condition of fermenting at high temperature of 38 DEG C on the premise that other fermenting performances are not influenced, the yield is improved by 17.8% as compared with that of a parent strain. The ethanol output at the condition of fermenting at high temperature of 40 DEG C is 12.2% (v / v), and is improved by 34.1% as compared with that of the parent strain. The breeding method comprises the following steps of: performing artificial ultraviolet mutagenesis on an initial strain of the saccharomyces cerevisiae; screening out 23 forward mutant strains as a genome rearrangement library, wherein the ethanol output of the forward mutant strains are obviously raised on the condition of fermenting at a high temperature; and performing the genome rearrangement at three rounds, thus gaining the mutant strains with the maximum ethanol output under the high-temperature fermenting condition. The finally bred saccharomyces cerevisiae strain can be subjected to alcoholic fermentation at the high-temperature fermenting condition, brings no special requirements to fermenting equipment and technological conditions, and can be put into service with the equipment and conditions of general plants, thus having a wide application prospect.

The invention relates to a high-light transmittance solar photovoltaic component made with modified substrate and belongs to the technical field of thin-film solar cells. The invention aims to provide a light-transmitting flexible cell component made with flexible substrate and a solution to preparation method thereof. The invention has the key technical characteristics as follows: a stainless steel template is processed into a modified polyimide (PI) substrate (PI substrate for short), and light through-holes including guide holes and concentration holes are formed on the substrate and are distributed on stacked film layers of conducting film layers and photoelectric conversion layers in a penetrating manner. The invention has significant effects, reduces the problems of short circuit and electrical leakage due to the crystallization of the photoelectric layer processing interface resulting from laser etching of the transparent conductive film, reduces the procedure of cell surface lamination, and reduces the production cost. The process provided by the invention can significantly improve the conversion efficiency, on-load capacity and price / performance ratio of solar cells. The light-transmitting flexible solar cell photovoltaic component has a wide application range.

The invention provides a chicken manure compost maturing fermentation complex microbial inoculant, which comprises bacillus licheniformis, bacillus megatherium, bacillus cereus, bacillus natto and pseudomonas, has strong adaptability and certain high temperature resistance, and generates various biological enzymes in the composting process. Various macromolecular substances in the compost are decomposed into micromolecular organic matters. The temperature rise is fast, the duration is long, the composting period is effectively shortened, the effect of killing harmful microorganisms and weed seeds is good, and the obvious technical effect is achieved in chicken manure compost maturing treatment.

The invention discloses a micro-ecological preparation and a preparation method thereof. The micro-ecological preparation consists of viable clostridium butyricum and an acceptable carrier. The preparation method comprises the following steps of: inoculating clostridium butyricum strains into an improved agar-containing GAM semisolid culture medium and performing anaerobic cultivation to obtain slant stains; inoculating the slant strains into a liquid culture medium and performing the anaerobic cultivation to obtain liquid strains; inoculating the liquid strains into a sterilized basic culture medium, and performing anaerobic fermentation cultivation for 48 to 60 hours in a way of controlling residual sugar content in the fermentation process to be not over 0.5 percent and controlling ammonia nitrogen content to be 0.05 to 0.15 percent; and after the cultivation is finished, placing the liquid strains into a tank, mixing the liquid strains and the carrier and performing spray drying to obtain the micro-ecological preparation. The micro-ecological preparation of the invention can promote the growth of livestock and poultry, improve the immunity and improve the quality of animal products, and is favorable for reducing the cost of feeds.

The invention provides a high-temperature resistant saccharomyces cerevisiae strain and a breeding method of the high-temperature resistant saccharomyces cerevisiae strain. The saccharomyces cerevisiae (Saccharomyces cerevisiae) SY-5-11L has a preservation number of CGMCC No.7377. The strain is characterized in that the ethanol yield is 13.9% (v / v) at a condition of fermenting at high temperature of 38 DEG C on the premise that other fermenting performances are not influenced, the yield is improved by 17.8% as compared with that of a parent strain. The ethanol output at the condition of fermenting at high temperature of 40 DEG C is 12.2% (v / v), and is improved by 34.1% as compared with that of the parent strain. The breeding method comprises the following steps of: performing artificial ultraviolet mutagenesis on an initial strain of the saccharomyces cerevisiae; screening out 23 forward mutant strains as a genome rearrangement library, wherein the ethanol output of the forward mutant strains are obviously raised on the condition of fermenting at a high temperature; and performing the genome rearrangement at three rounds, thus gaining the mutant strains with the maximum ethanol output under the high-temperature fermenting condition. The finally bred saccharomyces cerevisiae strain can be subjected to alcoholic fermentation at the high-temperature fermenting condition, brings no special requirements to fermenting equipment and technological conditions, and can be put into service with the equipment and conditions of general plants, thus having a wide application prospect.

The embodiment of the invention provides an evaporation structure, a radiator, a semiconductor device and a preparation method. The preparation method of the evaporation structure comprises the steps that: a substrate is provided, a bottom plate, a side plate connected with the bottom plate, and a plurality of backflow pieces arranged on the bottom plate at intervals are formed on the substrate, a liquid filling opening is formed in the side plate, the side plate surrounds the bottom plate, so that a cavity with an opening is formed in the substrate; capillary structure layers are formed on the inner surface of the bottom plate, the inner surface of the side plate and the surfaces of the backflow pieces; a base top is provided, a protection piece is arranged in a welding area of the base top, and a capillary structure layer is formed on the side, provided with the protection piece, of the base top to form a top plate; the protection piece is separated from the top plate, so that a welding area can be exposed; the welding area of the top plate corresponds to the side plate and the backflow pieces, the top plate, the side plate and the backflow pieces are welded and fixed through the welding area, and the opening is sealed so that the bottom plate, the top plate and the side plate can be matched to form an evaporation cavity; evaporating liquid is injected through the liquid filling opening, and the liquid filling opening is sealed to form an evaporation structure.

The invention discloses a surface coating method for explosive particles. The surface coating method comprises the following steps of: (1) depositing vapor deposition substances at the surfaces of the explosive particles by utilizing a vacuum physical vapor deposition method, so as to obtain explosives coated by wax; and (2) depositing chemical vapor deposition substances at the surfaces of the explosive particles obtained in the step (1) by utilizing a vacuum chemical vapor deposition method. According to the coating method, the explosive particles are coated by a Parylene film after being coated by the wax, as the Parylene film has relatively strong high temperature resistance and can be used for further coating the explosives coated by the wax, the problem that the explosives coated by the wax cannot resist the high temperature is solved, and the explosive particles coated by the Parylene film after being coated by the wax can be used for casting the explosives or composite explosives.

The invention discloses a fireproof plate and a preparation method thereof, and belongs to the technical field of fireproof materials. The fireproof plate comprises a plate core, a fireproof plate body and a veneer from inside to outside sequentially, wherein the plate core comprises frameworks and filler filled between the frameworks; the filler is prepared from components in parts by weight as follows: 200-600 parts of perlite, 150-300 parts of a calcium carbide substrate, 35-45 parts of sodium silicate, 8-16 parts of magnesium oxychloride and 600-1000 parts of water; the calcium carbide substrate is prepared from components in parts by weight: 60-160 parts of CaO, 50-150 parts of kaolinite, 20-30 parts of mullite fiber, 3-5 parts of Fe2O3, 10-20 parts of polyvinyl alcohol, 30-50 parts of dolomite fiber and 600-800 parts of water. Meanwhile, the fireproof plate is prepared by the following three steps: preparation of the frameworks, filling of the plate core, and pressing of a finished product. By means of the synergistic effect of various refractory materials, the comprehensive property of the fireproof plate can be better enhanced. The multi-layer structure of the fireproof plate is pressed by pressure, so that the structure is compact, and the seal property is good.

The invention relates to a Nannochloropsis mutant strain and application thereof. The Nannochloropsis mutant strain of the invention is taxonomically named Nannochloropsis sp. The Nannochloropsis mutant strain of the invention has the advantages of stable performance, strong environmental adaptability, and strong insecticide and high temperature tolerance.