16results about How to "Inhibit transformation" patented technology

The invention discloses a preparation method of a Fe-doped Bi2O2CO3 / Bi4TaO8Cl composite photocatalyst as well as a product and application of the Fe-doped Bi2O2CO3 / Bi4TaO8Cl composite photocatalyst and belongs to the technical field of photocatalysis. Bi4TaO8Cl, urea and Fe3Cl. 6H2O are subjected to hydrothermal reaction to synthesize the Fe-doped Bi2O2CO3 / Bi4TaO8Cl composite photocatalyst, separation and transfer of photo-generated charges are accelerated, the carrier separation efficiency is improved, meanwhile, the visible light absorption efficiency is effectively improved through Fe doping, and the visible light absorption efficiency is improved. According to the present invention, the active free radical ROS is selectively generated, such that the ability of the photocatalytic degradation of NO to NO3 <-> is further improved while the conversion of NO to nitrogen dioxide NO2 is well inhibited, the performance is excellent, and the NO harmful gas can be efficiently degraded.

The invention discloses a biomarker for identifying upland cotton varieties with high cottonseed oil content and application of the biomarker, and relates to the technical field of biology. The biomarker comprises a GhiD03G013530 gene, a GhiD03G013680 gene and a GhiD12G004870 gene, and is characterized in that the GhiD03G013530 gene, the GhiD03G013680 gene and the GhiD12G004870 The CDS sequences of the GhiD03G013530 gene, the CDS sequences of the GhiD03G013680 gene and the CDS sequences of the GhiD03G013680 gene and the CDS sequences of the GhiD12G004870 gene are shown as SEQ ID NO. 1 to SEQ ID NO. 3 respectively. The biomarker provided by the invention can be used for effectively identifying upland cotton varieties with high cottonseed oil content, provides a genetic mechanism basis for promoting genetic breeding of cottonseed oil and accelerating cultivation of high-oil cotton varieties, and has profound significance for further improving the utilization value of cotton seeds.

The invention relates to the technical field of cement material preparation, and particularly discloses a calcium aluminoferrite-calcium sulphosilicate cement-based expanding agent as well as a preparation method and application thereof. The expanding agent comprises expansion source powder, gypsum powder and a regulating agent. The expansion source powder is prepared from 45 to 55 weight percent of calcium aluminoferrite, 30 to 40 weight percent of calcium sulphosilicate, 5 to 10 weight percent of calcium sulphoaluminate, 5 to 10 weight percent of dicalcium silicate and 2 to 4 weight percent of calcium sulfate; the balance is inevitable impurity mineral phases; the calcium aluminoferrite comprises dicalcium ferrite, hexacalcium dialuminoferrite, tetracalcium aluminoferrite and hexacalcium dialuminoferrite. The gypsum powder accounts for 12-18% of the mass of the expansion source powder; the regulating agent is triethanolamine or propanolamine, and the mass of the regulating agent is 0.1-0.5% of the total mass of the expansion source powder and the gypsum powder. The expanding agent provided by the invention has no interference on the flowability of concrete, can provide continuous and coherent expansion for the whole hydration hardening stage of a cement-based cementing material, and has long-term stable expansion performance.

The invention relates to the technical field of ceramic cutters, in particular to a SiC whisker toughened aluminum oxide ceramic cutter and a preparation method thereof. The invention relates to a SiC whisker toughened aluminum oxide ceramic cutting tool. The SiC whisker toughened aluminum oxide ceramic cutting tool consists of aluminum oxide ceramic powder, silicon carbide whiskers and toughening auxiliary powder, the toughening auxiliary powder is prepared from the following raw materials in parts by weight: 20 to 30 parts of ferrotitanium slag and 6 to 10 parts of chromium sesquioxide. The SiC whisker toughened aluminum oxide ceramic cutter provided by the invention is compact in structure and has more excellent fracture toughness at the same time.

The present application relates to the technical field of ceramic tools, and more specifically, it relates to a SiC whisker toughened alumina ceramic tool and a preparation method thereof. A SiC whisker toughened alumina ceramic tool, the SiC whisker toughened alumina ceramic tool is composed of alumina ceramic powder, silicon carbide whiskers and toughening auxiliary powder; the toughening auxiliary powder includes the following raw materials in parts by weight: 20-30 parts of ferro-titanium slag and 6-10 parts of chromium trioxide. The SiC whisker toughened alumina ceramic tool of the present application has a dense structure and has better fracture toughness.

The utility model relates to the technical field of concrete strength detection, and discloses a concrete strength detection device for building construction, which comprises a top plate, the bottom surface of the top plate is fixedly connected with a limiting piece, and the outer surface of the limiting piece is rotatably connected with a limiting shell. According to the concrete strength detection device for building construction, components such as a gear, a gear ring, a threaded rod and a telescopic rod are arranged, a first motor drives the gear to rotate, the gear ring is made to rotate through the gear, a limiting shell and a mounting frame are driven to rotate, the moving direction of a rebound apparatus can be changed, and the threaded rod is made to rotate through a second motor; a first sliding block is arranged, a second sliding block is arranged on the first sliding block, then the first sliding block drives a telescopic rod and a rebound apparatus to move, the rebound apparatus can be perpendicular to concrete for detection, meanwhile, the rebound apparatus can freely move in a plane, the multi-directional detection effect is achieved, and the data accuracy is improved; and an operator can conveniently push the concrete block into the detection area and pull the concrete block out of the detection area.

The application belongs to the technical field of friction material processing, and particularly relates to a mute wear-resistant resin-based automobile braking friction material and a preparation method thereof. The friction material comprises a resin binder, modified reinforcing fibers, flaky graphite, aluminum oxide, precipitated barium sulfate and hexamethylenetetramine. The modified reinforcing fibers are covalently grafted with hyperbranched polyamides containing dynamic imine bonds and cashew phenol long chains on the surface, and the hyperbranched polyamides are synthesized with 3,5-diaminobenzoic acid as a monomer. The dynamic imine bonds reversibly break and recombine under the braking friction vibration stress, convert mechanical energy into heat energy dissipation, the hyperbranched topological structure provides elastic energy storage damping, and the cashew phenol long chains are heat-induced crosslinked at high temperatures to realize self-reinforcement. The application simultaneously realizes excellent mute, wear resistance and heat recession resistance through a multi-level synergistic energy dissipation mechanism, and can guarantee long-term service stability, and is suitable for the manufacturing of high-performance automobile brake pads.

The invention discloses a traditional Chinese medicine formula for treating idiopathic pulmonary fibrosis and a preparation method of the traditional Chinese medicine formula, the traditional Chinese medicine formula consists of twelve raw material medicines in specific parts by weight: radix glehniae, radix ophiopogonis, astragalus membranaceus, codonopsis pilosula, selfheal, oyster, processed pinellia ternate, edible tulip, seaweed, concha meretricis seu cyclinae, rhizoma sparganii and curcuma zedoary. The composition can effectively inhibit fibroblast proliferation and activation and reduce extracellular matrix secretion, and can play an anti-fibrosis role by inhibiting TNF-alpha inflammatory factors and NF-kappa B signal pathways, clinical tests show that the composition can significantly improve clinical symptoms of patients and delay lung function decline, and is good in safety and suitable for clinical application. The invention also provides a preparation method of the composition, various dosage forms such as decoction, granules, freeze-dried powder and the like can be prepared, the preparation process is simple and convenient, the composition is suitable for industrial production, and a safe and effective new traditional Chinese medicine treatment choice is provided for idiopathic pulmonary fibrosis.

This invention relates to the field of lipid biocatalysis and functional lipid preparation technology, specifically to a COF immobilized lipase system for the directed synthesis of sn-1,3-diacylglycerol, its preparation method, and its applications. This invention provides a method and system for regulating the glycerol hydrolysis reaction pathway of lipases using a cooperative covalent organic framework. By introducing multiple functionally complementary and irreplaceable covalent organic framework modules in the same reaction process, it preferentially promotes the conversion of triglycerides to sn-1,3DAG; significantly inhibits the acyl migration of sn-1,3DAG to sn-1,2DAG; reduces secondary non-selective reactions of DAG; and improves the proportion and compositional stability of sn-1,3DAG at the reaction pathway level.

The invention discloses a method for preparing fucoxanthin microcapsules, which belongs to the technical field of food and drug processing, and comprises the following steps: fucoxanthin, carrageenan and protein complex are mixed, and after stirring reaction, fucoxanthin lipid nanoparticles are obtained; microcrystalline cellulose is grafted and modified with succinic anhydride, and then mixed with food-grade chromium picolinate and fucoxanthin lipid nanoparticles to obtain composite fucoxanthin; composite fucoxanthin, propolis extract, white kidney bean extract, pomegranate peel extract, quercetin and tea polyphenols are mixed as core materials, and β-cyclodextrin and gum arabic are used as capsule materials to prepare microcapsules. Fucoxanthin is present in lipid nanoparticles, and the nano size can better adhere to the cell mitochondria to stimulate the mitochondrial effect; the formed microcapsules contain network structures and lipid nanoparticles inside, which can exert a strong force on the composite fucoxanthin and avoid leakage of fucoxanthin in the microcapsules.

The utility model discloses an intelligent sugar boiling equipment of automatic proportioning, it includes sugar boiling jar, molasses storage tank, syrup storage tank, soda solution storage tank and a plurality of controllers, the sugar boiling jar is connected with the discharge pump for sending material to the next working procedure or returns the upper portion of sugar boiling jar, the top of sugar boiling jar is connected with the vacuum system, be equipped with pH electrode subassembly in the sugar boiling jar, be equipped with on -line spectrophotometer and on -line sugar hammer degree meter on the pipeline of discharge pump and sugar boiling jar, molasses storage tank and syrup storage tank send material to sugar boiling jar through the pump, soda solution storage tank sends material to sugar boiling jar through circulating pipe through the pump, and through a plurality of controllers according to the data of detection equipment acquisition control molasses storage tank, syrup storage tank, soda solution storage tank and add material to sugar boiling jar. The utility model can realize the automatic proportioning and intelligent sugar boiling in the production process of polycrystalline yellow sugar etc., and can accurately control the process parameter, improve work efficiency.

The invention discloses a production method for reducing nitrogen and increasing efficiency of greenhouse cucumbers, including applying basal fertilizer and applying topdressing. When applying basal fertilizer, the original organic fertilizer and diammonium phosphate are reduced by 5-15% respectively, and at the same time, a certain proportion of N-butylthiophosphoric acid triamide and DMPP (3,4-dimethyl pyrazole phosphate) are added respectively according to the nitrogen content in the basal fertilizer. In the topdressing stage, a certain proportion of DMPP and PHH are applied according to the nitrogen content in the topdressing (urea is calculated as 47% and diammonium phosphate is calculated as 18%) at the seedling stage, the initial flowering stage, the melon-setting stage and the peak melon stage; and quick-acting organic boron fertilizer is applied at the same time. The production method makes full use of the advantageous combination of nitrification inhibitors and trace elements, effectively regulates the nitrification of nitrogen in greenhouse soil, reduces the application of nitrogen fertilizer, and improves the utilization efficiency of nitrogen fertilizer. While greatly reducing production costs, the purpose of increasing production and income is achieved, and at the same time, the acidification of the soil is improved to a certain extent.

This invention provides a sweet-scented black tea, relating to the field of fermented black tea preparation. It is obtained through a preparation process of withering, rolling, fermentation, and continuous light fermentation drying. Rolling involves cyclically rolling withered leaves using a light-heavy-light pressure method to obtain rolled leaves. Fermentation involves breaking up the rolled leaves and placing them in a fermentation chamber or fermentation machine for fermentation at a temperature of 28-30℃ and a humidity of not less than 90%, for 3 hours with stirring every hour to obtain fermented leaves. After fermentation, continuous light fermentation drying is performed to obtain the sweet-scented black tea. This black tea utilizes a specific tea-making process, namely, continuous light fermentation drying after fermentation by introducing a dry mixed gas. This achieves light fermentation during the drying process, allowing fermentation to continue throughout the entire drying process, improving the persistence of the fermentation process, avoiding excessive oxidation and fermentation of the tea sample, and ensuring the long-term and stable nature of the fermentation.

The present invention relates to a medical imaging device and a medical imaging system, comprising: an adapter for connecting an endoscope; a handle, wherein the handle is arranged on the adapter; the image processing unit is positioned in the handle and is connected with the adapter, so that the image processing unit is allowed to receive an image transmitted by the endoscope; one end of the flexible cable is arranged on the handle and is electrically connected to the image processing unit; the flexible cable is installed on the handle, the button unit is installed on the flexible cable and electrically connected with the flexible cable, and the button unit and the handle are arranged in a spaced mode in the extending direction of the flexible cable.

The invention discloses application of cyclic creatine in preparation of a diffuse large B-cell lymphoma treatment medicine, and belongs to the field of targeted therapy, and the cyclic creatine inhibits tumor cell proliferation by interfering tumor cell creatine metabolism. Cyclic creatine can effectively kill diffuse large B-cell lymphoma at in-vivo and in-vitro levels and shows drug dose and time dependence. Cyclic creatine interferes energy metabolism in tumor cells by inhibiting tumor cell creatine metabolism, so that the tumor cells are killed, and a new thought is provided for subsequently innovating and optimizing a treatment scheme of diffuse large B-cell lymphoma.

The invention discloses an atherosclerosis risk factor TMAO intervention key site and inhibitor screening, and belongs to the field of biological medicine. The invention provides an inhibitor aiming at the generation of TMA and / or TMAO, the inhibitor is cannabidiol, and the Cys48 site in intestinal trimethylamine lyase CutC can be targeted. By using the inhibitor, the CutC enzyme activity can be effectively reduced, and the conversion of choline to TMA is inhibited, so that the TMAO level is reduced, the promotion effect of TMAO on atherosclerosis is reduced, and the atherosclerosis risk is reduced.