332results about How to "Improve storage performance" patented technology

A nonvolatile memory device using a resistance material and a method of fabricating the same are provided. The nonvolatile memory device includes a switching element, and a data storage part electrically connected to the switching element. In the data storage part, a lower electrode is connected to the switching element, and an insulating layer is formed on the lower electrode to a predetermined thickness. The insulating layer has a contact hole exposing the lower electrode. A data storage layer is filled in the contact hole and the data storage layer is formed of transition metal oxide. An upper electrode is formed on the insulating layer and the data storage layer.

The invention provides a polymer porous membrane, a preparation method of the polymer porous membrane, a polymer electrolyte, a polymer battery and a preparation method of the polymer battery. A carbon material is dispersed in the polymer porous membrane, so that the degree of crystallization of a polymer which constitutes the polymer porous membrane is lowered and the liquid absorption of the polymer porous membrane is increased; the liquid absorption rate, liquid holding capability and ionic conductivity of the polymer porous membrane are increased; interface impedance is reduced, battery magnification discharging performance and the circulating performance of the battery are enhanced; simultaneously, the battery prepared by the method has excellent high temperature circulation and storage performance and low expansion ratio at a high temperature and further meets the development requirement of the polymer battery. Simultaneously, the preparation method is simple and is easy to implement and the prepared battery has high performance.

The invention discloses a production method of an emulsified explosive, which comprises the following steps that: water phase and oil phase are prepared, and then water phase solution is added into oil phase solution to be emulsified by an emulsifier to prepare a latex matrix, and simultaneously a cooling steel strip controls the temperature of the latex matrix to be 90 to 105DEG C; and the matrix is cooled, the cooled latex matrix is added into a sensitizing machine, and then one or two of perlite and chemical blowing agent is added in for sensitization; and then the explosive is charged, and finally the loaded explosive is packaged to prepare the emulsified explosive. The production method of the emulsified explosive has the advantages of reducing the production cost, having no waste explosive, waste material, waste gas, waste water and dust in production, realizing the free switching of a plurality of sensitization methods, such as physical sensitization, chemical sensitization and physical and chemical composite sensitization, so as to meet the needs of different consumers; perlite is adopted for physical sensitization, and can improve the explosion performance and the storage performance; and the production method of the emulsified explosive can adapt to the requirements of small-diameter explosive charging and full-automatic packaging automatic calandria.

Systems and methods which provide secure queries with respect to encrypted datasets are described. Embodiments provide privacy-assured similarity join techniques operable with large-scale encrypted datasets. A privacy-assured similarity join technique of embodiments enables a storage system to answer similarity join queries without learning the content of the query dataset and the target dataset. One or more secure query schemes may be implemented in accordance with a privacy-assured similarity join technique herein. For example, embodiments may utilize an individual similarity query scheme, a frequency hiding query scheme, and/or a result sharing query scheme. A particular secure query scheme of the foregoing secure query schemes may be utilized to address different considerations with respect to security, efficiency, and deployability with respect to various applications and scenarios with different requirements.

The invention provides a dealcoholized organosilicon sealant with damp-heat resistance and stable storage. The dealcoholized organosilicon sealant is characterized in that the organosilicon sealant comprises the following components according to parts by weight: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 1-20 parts of mixed crosslinking agent, 1-20 parts of titanate catalyst, 0-300 parts of filler, 0-200 parts of low molecular weight silicone oil and 0-10 parts of tackifier. The invention further provides a preparation method for the dealcoholized organosilicon sealant, which is characterized in that: as titanate is selected as the catalyst and the mixed crosslinking agent is used, the storing and processing performances are improved; with excellent mechanical property, good damp-heat resistance and high storage stability, the obtained sealant is particularly applicable to adhesive bonding and encapsulating of various electronic and electrical appliances.

The storable bread has in bread flour in 1000 weight portions water keeping agent 10-200 weight portions, acidity regulator 1-10 weight portions and preservative 0.5-2.5 weight portions other than conventional bread material, and is packed in a sealed bag together with deoxidant. By means of improving the bread making and storing process with modern biotechnology, modern food making technology, and modern packing technology, the present invention raises the storing performance of bread greatly. The storable bread may be stored at normal temperature for as long as three years, and is suitable for serving in tour, field operation, military field, etc.

The invention relates to a spent fuel storage rack and in particular discloses a spent fuel storage rack in a pressurized water reactor nuclear power station. The storage rack comprises four enclosing plates, an upper bearing plate positioned at the tops of the enclosing plates, and a lower bearing plate and a storage sleeve which are positioned at the bottoms of the enclosing plates, wherein the enclosing plates, the upper bearing plate and the lower bearing plate form a cubic cavity; the storage sleeve is positioned in the square holes on the upper bearing plate and the lower bearing plate; base plates of the storage sleeve are positioned on the lower bearing plate; legs are fixedly connected with the lower bearing plate; thread sleeves on the legs are welded with the lower bearing plate; cylindrical convex plates are arranged at the bottoms of the thread sleeves; the upper ends of the thread sleeves are fastened with the lower bearing plate and the base plates by nuts; adjusting screws are arranged in and in threaded connection with the thread sleeves; the bottoms of the adjusting screws are freely positioned in the spherical recesses of bottom backing plates; and the base plates are provided with through holes communicated with the inside of the storage sleeve and the through holes are communicated with the through holes on the bearing plates. The storage rack has high storage capacity and good shock resistance.

The invention relates to an aqueous aluminum base solder paste that is good in environmental friendliness and storage, which consists of aluminum base solder powder, scaling powder and an aqueous paste forming body. The aqueous aluminum base solder paste consists of 30-70% of aluminum base solder powder, 5-35% of scaling powder and 10-40% of an aqueous paste forming body based on the weight of the aluminum base solder paste. The aluminum base solder powder is aluminum alloy solder powder. The aluminum alloy comprises the following elements by weight: 10-12% of Si, 0-30% of Cu, 0-35% of Zn and the balance of A1. The scaling powder comprises the following components by weight: 0-55% of AlF3, 10-48% of KF, 0-20% of CsF, 0-20% of NaF, and 0-15% of KCl based on the weight of the scaling powder. The paste forming body comprises the following components by weight: 0.1-20% of an aqueous thickening dispersant, 5-20% of an aqueous assistant and 60-95% of an aqueous solvent based on the weight of the paste forming body. The invention is suitable for being used as a solder paste.

The invention provides an SAS (serial attached small computer system interface) back board, which comprises ten hard disk drive slots and a plurality of mini-SAS interfaces, wherein the hard disk drive slots are used for connection with hard disk drives, and the mini-SAS interfaces are used for connection with the hard disk drive slots. By means of the SAS back board, storage extension capacity is improved, storage space of a server is expanded, and storage performance of the server is perfected.

The embodiment of the invention discloses a method for data storage and a cluster management node. The method comprises the steps of receiving node information reported by each storage node and storing the node information to a node information table by the cluster management node; dividing hard disks into groups based on the node information in the node information table, wherein the number of the hard disks selected for each area is less than M for a cluster with the redundancy proportion of N+M; if one area is in failure, updating the state of the storage node in the failure area into a failure state in the node information table; and synchronizing content in the updated node information table and the hard disk grouping information to a normal storage node and a client agent node to enable the client agent node to interact with the normal storage node in the hard disk group so as to finish a data reading and writing service when the client agent node receives a data reading and writing service request. By adopting the method for data storage and the cluster management node, the reliability of data storage and the data writing and reading service can be improved.

The invention relates to a waste gas denitration composite catalyst and a preparation method thereof. The waste gas denitration composite catalyst is prepared from a perovskite type catalyst, a catalyst promoter and a catalyst carrier, wherein the formula of the perovskite type catalyst is ABO3, the site A represents a mixture of rare earth metals La (lanthanum) and Y (yttrium), and the site B represents one or a mixture of transition metals Cr (chromium), Mn (manganese), Fe (iron) and Co (cobalt); the catalyst promoter is selected from one or a mixture of SeO2 (selenium dioxide), TeO2 (tellurium dioxide) and PtO2 (platinum dioxide), so as to prevent the deactivation caused by the fact that oxygen atoms in the perovskite type catalyst ABO3 is replaced by sulfur atoms in waste gas; the catalyst carrier is selected from one of TiO2 (titanium dioxide), ZrO2 (zirconium dioxide), SiO2 (silicon dioxide), SnO2 (tin dioxide), Al2O3 (aluminium oxide), zeolite and cordierite; 10g of waste gas denitration composite catalyst is loaded into a fixed bed catalyzing reactor, the NO (nitric oxide)-containing waste gas produced by burning the volatile organic matter is treated at the temperature of 300 DEG C, and the removal rate of NO is 92.9% to 95.8%. The waste gas denitration composite catalyst has the advantages that the water-resistant and sulfur pollution-resistant properties are good, the service life is long, and the running cost is low.

The invention belongs to the field of new materials and discloses precoated sand. The precoated sand is prepared from silica sand, pyrite powder, phenolic resin, bisphenol-A epoxy resin, phenolsulfonic acid, short peptide, boric acid, molybdenum disulfide, a methenamine solution, zinc stearate, dolomite powder, talcum powder and graphite powder. The invention also discloses a burn-free regeneration technology of the used precoated sand. The precoated sand prepared by the technoloyg has relatively high hot tensile strength, low gas-forming property and stable storage property; and the rejection rate of castings is relatively low.

Provided is a novel paint auxiliary agent. The novel paint auxiliary agent is prepared from the following raw materials, by weight, 6-12 parts of methyl methacrylate, 14-22 parts of ethylene diamine tetraacetic acid, 5-8 parts of aluminum phosphate, 6-15 parts of BH-620 water-dispersion-type epoxy resin, 3-5 parts of R-930 titanium dioxide, 1-3 parts of polyethylene glycol, 6-14 parts of titanium dioxide, 5-10 parts of nano zinc oxide, 9-13 parts of high-whiteness calcium carbonate, 6-9 parts of organic bentonite, 1.2-5.6 parts of silver-carrying nano zirconium phosphate, 2-4 parts of locust bean gum, 8-20 parts of acrylic acid and 0.2-0.6 part of alkali or alkaline substances. The beneficial effects are that the novel paint auxiliary agent has a good anticorrosion effect, thixotropy and glossiness of paint are raised, the paint production technology and the paint storage performance are improved, and the novel paint auxiliary agent is convenient to use.

The invention relates to a machinable silica aerogel composite rigid thermal insulating tile and a preparation method thereof. Silica aerogel and a rigid thermal insulating tile are subjected to hydrophobic dry processing after being compounded. The machinable silica aerogel composite rigid thermal insulating tile comprises the ingredient rigid thermal insulating tile, which is the rigid thermal insulating tile of a quartz fiber; the density of the rigid thermal insulating tile is 0.12-0.35g/cm<3>; and the molar ratio of the silica aerogel ingredients, namely the molar ratio of tetraethoxysilane to ethanol to deionized water to catalyst is 1 to (2-10) to (2-12) to (0-0.01). The silica aerogel composite rigid thermal insulating tile prepared by the method is high in porosity and small in aperture, and has a good blocking effect on solid heat transfer, air heat transfer and convection; the preparation method disclosed by the invention is scientific, reasonable, simple, feasible, and convenient to implement; and the prepared self-hydrophobic atmospheric silica aerogel composite rigid thermal insulating tile can be machined into a flat plate, a hood body and other complicated irregular parts.

The invention relates to the field of coating, and particularly relates to high-solid coating and a preparation method thereof. The high-solid coating comprises an A component and a B component, wherein based on the mass of the A component, the A component comprises the following ingredients in percentage by weight: 48%-55% of titanium white slurry, 10%-15% of polyester resin, 25%-30% of hydroxy resin, 0.1%-0.2% of BYK-310, 0.1%-0.2% of BYK-354, 0.1%-0.2% of defoaming agents 5400, 1%-2% of ultraviolet absorbents and 5%-6% of mixed solvents; and the B component is a curing agent which is 80% of HDI (Hexamethylene Diisocyanate) tripolymers. The high-solid acrylic polyurethane coating disclosed by the invention is prepared by taking high-solid high-hydroxyl low-viscosity hydroxy acrylic resin and polyester resin as main raw materials and has the advantages of high drying rate, high luster, good fullness, mechanical property, chemical resistance, weather resistance and storage property and better environment-friendly significance due to less solvent volatilization.