64results about How to "Simplify process engineering" patented technology

The present invention discloses a Li2MnO3 and LiCoO2 composite anode material, which is a Li2MnO3 and LiCoO2 composite oxide meeting a stoichiometric ratio of xLi2MnO3.yLiCoO2, wherein x is more than or equal to 0.025 and is less than or equal to 0.15, and x plus y equals 1. The Li2MnO3 and LiCoO2 composite anode material of the present invention has characteristics of high specific capacity and high cycle life, and further has excellent performances under conditions of high rate, high temperature, low temperature, and the like.

A method for producing ordered anode alumina hole plate using anode oxidation bath, is characterized in that, includes the steps of: 1) taking out a substrate; 2) evaporating metal aluminium film on the substrate; 3) fixing the substrate with etal aluminium film in anode oxidation groove; 4) evaporating the substrate with etal aluminium film to anodize it in the electrolytic solution in anode oxidation groove; 5) placing the oxidated substrate into orthophosphoric acid solution, corroding and enlarging hole, and forming anode alumina hole plate.

The invention discloses a low-medium low-loss LTCC (Low Temperature Co-Fired Ceramic) microwave ceramic material and a preparation method thereof. The material is composite ceramic containing double phases, wherein the principal crystalline phase is tetragonal-phase scheelite CaWO4; the auxiliary phase is a trigonal crystal system phenacite structure Li2WO4 with the molecular formula of (1-x) CaWo4-xLi2WO4. The preparation method of the low-medium low-loss LTCC microwave ceramic material comprises the following steps of: with CaCO3, WO3 and Li2CO3 as initial materials, calculating the mass percentages of CaCO3, WO3 and Li2CO3 according to the molar ratio of each element in the molecular formula (1-x)CaWo4-xLi2WO4; weighing the materials, preliminarily ball-milling the materials, drying the materials, pre-sintering, secondarily ball-milling the materials; and obtaining the low-medium low-loss microwave ceramic material by carrying out a series of processes including drying, pelletizing, forming, sintering and the like.

The invention provides a method for continuously preparing highly pure magnesium hydroxide which relates to a method for continuously producing highly pure magnesium hydroxide with bischofite as raw material and ammonia as precipitant. The method is characterized in that: a treated bischofite is prepared into a solution with the concentration of 0.5 mol/L-4 mol/L, the bischofite solution and ammonia gas are added continuously after the reaction begins and the chemical reaction for depositing the magnesium hydroxide is carried out continuously. Characteristics of the reaction vessel utilization ratio, the productive capacity of unit volume, technical reliability and stability and so on of the method are greatly improved compared with intermittent reaction technology. The base liquid does not need to be replaced or heated repeatedly, thus energy-saving effect is distinct and labor productivity is high. The method can be used for obtaining magnesium hydroxide with the granularity of 10 microns-100 microns and the purity of 99 percent-99.999 percent. The ammonia nitrogen treatment of the tail solution adopts a commercial method that meets environmental protection requirement. The product produced by the invention has large granule size, high purity, more specifications, low cost, high equipment utilization rate and low one-time investment and has no pollution to the environment.

The invention discloses a fast synthetic method of NaY zeolite. The method comprises the steps: firstly, silica source, aluminum source, alkali and water is mixed and stirred according to a proportion of 5-20Na2O:1.0Al2O3:10-30SiO2:200-600H2O then is aged, crystallized and post-process so as to get the NaY zeolite. Compared with the traditional synthetic process of NaY, the method does not need preparation directing agent, therefore, the crystallization time is greatly shortened and the shortest time to synthesize NaY zeolite is 20h.

The invention belongs to the field of electronic ceramic material and manufacturing of electronic ceramic material, and more specifically relates to a composite system LTCC material, and a preparation method thereof. The general chemical formula of the composite system LTCC material is Li<2x>(Zn<0.96>Co<0.05>)<2-x>SiO<4-y>LMZBS (0.125<=x<=0.375, and y ranges from 1 to 2wt%); the principal crystalline phase is (Zn,Co)<2>SiO<4> with a rhombohedron structure; the secondary crystalline phase is Li<1.6>Zn<1.2>SiO<4> with an orthorhombic system structure; the composite system LTCC material is prepared via low temperature sintering at 900 to 950 DEG C; the dielectric constant epsilon<r> ranges from 6.1 to 6.5; the Q*f value is higher than 130000GHz, and the highest Q*f value is 230602GHz; the temperature coefficient of resonance frequency tau<f> ranges from -41 to -22ppm/DEG C. The raw materials are cheap; the preparation method is simple; operation is convenient; production cost is low; and the composite system LTCC material is capable of reducing the loss of microwave devices or modules as a LTCC microwave medium or device.

In one aspect, a method for dynamic configuration of a modular machine, whose modules are interconnected and connected to a control unit via a communications network is provided in order to facilitate the modification of a machine configuration in automated systems. According to the method, during the operation of the machine, one of the communications partners determines the communications partners in the communications network. The communications partner then generates a suitable communications configuration and activates said configuration. This permits the communications configuration or design to be automatically executed, even during the operation of the machine.

The invention relates to a synthetic method of a bithiazole-4-yl disulfide derivative. The synthesis method comprises the following steps: taking alkynyl oxime ether as a substrate, taking elemental sulfur as a sulfur source, taking 1,8-diazabicycloundec-7-ene as alkali and NMP-H2O (5:1, V:V) as a solvent, and carrying out a reaction at 100-120 DEG C under stirring for 12 hours. Odorless, easily available and cheap elemental sulfur is used as a sulfur source, and the method has the advantages of simple and easily available raw materials, simple operation, relatively mild conditions, wide substrate universality, high yield and good functional group compatibility.

The invention belongs to the field of electronic ceramic materials and manufacturing thereof, and relates to an ultra-low dielectric LTCC microwave ceramic material and a preparation method thereof. The ultra-low dielectric LTCC microwave ceramic material provided by the invention is a SiO2-Li2TiO3 composite ceramic taking SiO2 as a main crystal phase, wherein the sintering temperature is 850-900DEG C; the dielectric constant epsilon r is 4.5-5.1; the quality factor Q * f value ranges from 18500 GHz to 26000 GHz; the resonance frequency temperature coefficient tau f ranges from -4.5 ppm/DEG Cto 5 ppm/DEG C; the molecular formula is xSiO2-(1-x)Li2TiO3-yLBSCA(Li2O-B2O3-SiO2-CaO-Al2O3)glass, x is more than or equal to 0.9 and less than or equal to 0.95 molar ratio, y is more than or equal to 4wt% and less than or equal to 8wt% by mass, and the ultra-low dielectric LTCC microwave ceramic material is prepared by a solid phase method. The ultra-low dielectric LTCC microwave ceramic material is simple in manufacturing process, can be produced in batches, and can be widely applied to LTCC microwave substrates, laminated microwave devices and modules when being used as an LTCC microwave dielectric substrate or device material; the low dielectric constant corresponds to the short signal delay time, and the signal transmission speed can be improved.

The invention discloses a desulfurization wastewater treatment method, and belongs to the field of desulfurization wastewater treatment. A hot air unit introduces hot air into a phase change generator; meanwhile, a wastewater system conveys desulfurization wastewater to an atomizer in the phase change generator for atomization, hot wind formed by the desulfurization wastewater and the hot air is changed into a gas phase from a liquid phase through mass and heat exchange and the gas phase is discharged from an outlet of the phase change generator along with the hot wind; a solid formed by impurity crystal in the desulfurization wastewater enters the hot air unit at a solid outlet of the phase change generator under the action of gravity. According to the desulfurization wastewater treatment method, hot air in the phase change generator and atomized desulfurization wastewater drops are subjected to mass and heat exchange, and the desulfurization wastewater drops are evaporated and crystallized and then subjected to gas-solid separation. The problems that an original desulfurization balance is broken and equipment corrosion is caused in the desulfurization wastewater treatment process in a flue are solved, so that zero pollution and zero emission of the desulfurization wastewater are achieved.

The invention relates to the technical field of electronic ceramics, in particular to a high-performance microwave dielectric ceramic material and a preparation method thereof. The material is a composite material prepared from a main crystalline phase and an auxiliary crystalline phase, wherein the main crystalline phase is LiAlO2 and the auxiliary crystalline phase is Li2TiO3. The high-performance microwave dielectric ceramic material with characteristics of quite low loss and near-zero temperature coefficient is obtained by compositing LiAlO2 and Li2TiO3; production raw materials are cheap,the technological process is simple, operation is convenient, and cost is reduced; the dielectric ceramic material has the advantages of low loss and small temperature coefficient.

The invention discloses a method for processing food processing wastewater by adopting a facultative membrane bioreactor. By adopting the method, pretreatment is carried out on the food processing wastewater to remove coarse impurities and suspended solids in the wastewater, and then the wastewater enters a regulating reservoir to adjust the water quality and quantity; the wastewater enters the facultative membrane bioreactor to carry out biological treatment, and the wastewater continuously and alternatively passes through an aerobic zone, a facultative region and an anaerobic zone inside the reaction region in the facultative membrane bioreactor, so that he anaerobic ammonia oxidation denitrification is achieved when biodegradation and transformation are carried out on pollutants; the processed clean water is reused or discharged. The invention also provides the facultative membrane bioreactor. By adopting the method and the facultative membrane bioreactor, the water treatment process engineering is simplified, the equipment is more compact and concentrated, small in floor area, high in biochemical treatment efficiency of organic sewage, and small in yield of residual organic sludge, not only can the effluent be discharged up to the emission standard, but also near zero emission of the residual organic sludge can be achieved, and synchronous reuse of sewage treatment can be achieved.

The invention discloses a dibenzo[c,e]azepine derivative and a preparation method thereof. The derivative is prepared by using [1,1'-biphenyl]-2,2'-dinitrile and an aryl boronic acid as reactants; thereagents are easy to prepare, have relatively wide sources, relatively low cost, and relatively low toxicity, and is not easy to affect human health. The reaction is performed in a solvent, and the solvent is any one of toluene, xylene, methanol, tetrahydrofuran, N,N-dimethylformamide, and N,N-dimethylacetamide. When the reaction is carried out, a palladium catalyst and an acid promoter are added, wherein the palladium catalyst is any one of palladium trifluoroacetate, tetrakis(triphenylphosphine) palladium, diacetylacetone palladium, bis(dibenzylideneacetone) palladium, and tris(dibenzylideneacetone) dipalladium. A reaction temperature is 100-120 DEG C, a reaction time is 20-30 h, and reaction conditions are mild, easy to reach, and safe. The method can directly synthesize a target product without separating intermediate products, and the yield can be up to 95%.

The invention discloses arylacridine derivatives synthesized under palladium catalysis and a preparation method thereof. The arylacridine derivatives are prepared through a reaction with 2-(arylamino)benzonitrile derivatives and aryl boric acid as reactants. According to the invention, the reactants are wide in source; preparation is easy; the arylacridine derivative is low in cost and toxicity and difficultly affects human health; the reaction is carried out in a solvent which is water; during the reaction, a palladium catalyst, an additive and a ligand are also added into the solvent, wherein the palladium catalyst is any one selected from the group consisting of palladium chloride, palladium acetate, palladium trifluoroacetate and palladium acetylacetonate, and the additive is methanesulfonic acid; a reaction temperature is 90-110 DEG C, and reaction time is 20-25 h; and the whole reaction is carried out in air, the reaction conditions are very mild, easy to realize and safe, and the health of experimenters is guaranteed. The highest yield of the method can reach 94%; a series of the arylacridine derivatives can be prepared; and the method has high substrate universality and isworthy of popularization.

The present invention generally relates to a context-aware security self-assessment method or module that determines the context in which the device is used and based on this, assesses the devices security settings. The context may refer to the system environment, the applications the device is used for, and/or the current life-cycle stage of the device, without being limited to said contexts. The method of the present invention preferably prioritizes and rates the security relevant findings and presents them in combination with mitigation options through a web interface, a configuration tool, or through notifications in the control system.