2079results about How to "Improve quality stability" patented technology

An inductively-coupled plasma etch apparatus and a feedback control method thereof are provided. A voltage/current measuring device is connected to an electrostatic chuck of the plasma etching apparatus, so as to measure the RF current, voltage and the phase angle between them on the electrostatic chuck. The ion current and the RF bias voltage are obtained by calculation of the RF current, voltage and the phase angle. Finally, using the obtained ion current and the RF bias voltage to feedback control the RF power generator in order to achieve the desired plasma status.

The invention discloses a cream which contains 20-45% of fat, 1-3% of protein, 0.1-0.55% of stabilizer, 0.05-0.35% of emulsifier, 0.005-0.15% of buffer salt and the balance water, and the percent is the weight percent of each component in the total weight of the cream. The invention further provides a making method of the cream. The making method can overcome the defects of short shelf life, strict preservation conditions and further limitation of the sales regions of the cream prepared by the conventional method, and the invention provides the cream and the making method thereof by improvingthe formula and the process of the cream. The cream produced and prepared by the method can be stored at room temperature, the use is convenient and fast, and the shelf life is long, thereby being suitable for long-distance transportation and being conductive to construction of a national sales network; meanwhile, the cream product has the advantages of uniformity, stability, no water separation,good whipability and thermal stability, thereby being applicable to making egg tarts, candies, cakes or cream soup.

The present invention relates to a method for preparing chitin and chitosan oligosac charide. The method comprises the steps that usual raw materials such as the crust of shrimp and crab, the insect crust or the fungal mycelia, etc. are micronized through the dry process or wet process; the carapace material of the obtained fine powder raw material is decalcified with the chemical process, and then is defatted and deproteinized with the method of micro-organism compound enzyme coarse enzyme liquid co-enzymolysis, and the insect and fungus fine powder thereof is directly defatted and deproteinized; a whole cell immobilizing bioreactor of a chitin deacetylase high-yield producing strain is prepared, to perform the circulatory deacetylation to the chitin and then obtain chitosan with corresponding degree of deacetylatoion; obligate anaerobic acid-producing bacterium and high-yield producing chitosan bacterium are utilized, the chitosan is submerged and fermented in the liquid, to obtain chitosan oligosaccharide with high water solubility. The present invention has the advantages that the method is helpful to fully utilize the resources, and makes the waste to the worth, at the same time, the default of the manufacturing process of the chemical process can be avoided, the production efficiency is improved, the energy is saved, the consumption is reduced, the byproduct with corresponding high value added can be produced, the comprehensive economic benefits of the relative secondary industry are obviously improved, the industrial development is promoted, and the multi-win effect is attained.

The invention relates to a quick client development frame for a manufacturing execution system and a software development method for the frame. The frame comprises a client layer and a service layer, wherein the client layer is used for realizing client interface interaction and comprises an interface view layer, an interface model layer and a model; and the service layer is used for realizing a business logic and data storage, receiving data sent by a client, reconstructing the data of the client according to a business requirement and sending the data to a database. The software development method for the frame comprises the steps of determining a data structure and the business logic of a development page as needed; designing UML class graph automatic generation codes; adding the codes into corresponding layers of project engineering in sequence; and compiling the project engineering to generate system software. According to the frame and the method, the code writing workload of the manufacturing execution system can be greatly reduced and the code quality and the system stability can be improved; and meanwhile, by applying a layered architecture and a configuration file, the software generated by the frame can be conveniently transplanted in different database systems.

The invention relates to an automatic pressing-filling device for steel balls. The automatic pressing-filling device is characterized by comprising a base and a support, wherein a workpiece conveying mechanism is installed on the base, and a workpiece clamping mechanism, a steel ball sorting and conveying mechanism and a steel ball pressing-in mechanism are installed on the support; the workpiece conveying mechanism is used for loading and conveying a workpiece, the workpiece clamping mechanism is used for fixing the workpiece which is conveyed in place, the steel ball sorting and conveying mechanism is used for conveying the steel balls to the workpiece, and the steel ball pressing-in mechanism is used for pressing the steel balls in the workpiece. The automatic pressing-filling device for steel balls disclosed by the invention is ingenious, compact and reasonable in structure, accurate in pressing-fitting and positioning, convenient in installation and maintenance, capable of automatically conveying the steel balls and accurately pressing-filling the steel balls in the workpiece of an oil pump shell, thus improving the quality stability of a positioning and pressing-filling process for the steel balls in the oil pump shell, lightening the working intensity of operating personnel, and improving the labour production efficiency; therefore, the quality of pressing-filling for the steel balls of the oil pump shell meets the requirements of a process assembly standard.

A method of manufacturing a silicon carbide semiconductor device includes a step of ion-implanting an impurity in a surface of a silicon carbide wafer (1 and 2); a step of forming a carbon protection film (6) of a predetermined thickness over the entire surface of the silicon carbide wafer (1 and 2) having been ion-implanted with the impurity, by a chemical vapor deposition method that deposits a film by pyrolyzing a hydrocarbon gas; and a step of annealing the silicon carbide wafer (1 and 2) having been formed with the carbon protection film (6). Thereby, the carbon protection film (6) can be formed that contains extremely few contaminants, and prevents step bunching from creating on the surface of the silicon carbide wafer (1 and 2) and crystal defects created therein due to unbalanced thermal stress form increasing.

The present invention belongs to high polymer material and forming and processing field thereof, and provides a long glass fibre reinforced nylon material and preparing method thereof, wherein the constituents comprise: 29-67wt% of nylons, 30-60wt% of long glass fibre, 2-10wt% of compatilizer and 0.3-1.0wt% of antioxidants. The preparing method comprises the following steps: first mixing the nylons, compatilizer and antioxidants; adding the mixture into a double-screw extruder, wherein the processing temperature is 235-300 DEG C; extruding resin fondants into a dipping mould connected to the double-screw extruder; enabling the long glass fibre to pass through the dipping mould, wherein the dipping temperature of the dipping mould is 260-300 DEG C, dipping the long glass fibre completely in by the fondants, cooling, dragging and granulating the long glass fibre to obtain the long glass fibre reinforced nylon materials. The method of the present invention can strengthen the dipping effect of glass fibre in nylon fondant, eliminate or decrease harmful substances, reduce environmental pollution, and improve the dipping effect and mechanical property of materials effectively.

A low-temperature straight-welding polyurethane wire enamel without pin hole is carried out by preparing hydroxide radical component, preparing enclosed component and formulating wire enamel. It can be used for extended or bended zero pin hole below 340degree.

An evaporation supply apparatus for raw material used in semiconductor manufacturing includes a source tank in which a raw material is pooled; a flow rate control device that supplies carrier gas at a regulated flow rate into the source tank; a primary piping path for feeding mixed gas G₀, made up of raw material vapor G₄ and carrier gas G₁, an automatic pressure regulating device that regulates a control valve based on the detected values of the pressure and temperature of mixed gas G₀ to regulate the cross-sectional area of the passage through which the mixed gas G₀ is distributed so as to hold the pressure of the mixed gas G₀ inside the source tank constant; and a constant-temperature heating unit for heating the source tank to a set temperature, in which mixed gas G₀ is supplied to a process chamber while controlling the pressure inside the source tank.

The invention relates to rice bran oil preparing method. It includes the following steps: processing the rice bran by micro wave with 800W power, 60s, 60mm height of layer, 7.4% humidity after processing; using supercritical carbon dioxide to extract rice bran oil at 25-60 degree centigrade, 10MPa-40MPa pressure, 15L/h-90L/h rate of CO2 flow for 30-150min. The prepared rice bran oil will not be rancidity and resolved by lipase to increase its stability. The product is easy to store. The rice bran oil yield is 20-22%.

Provided are a three-dimensional printing on-line monitoring method and system, relating to the technical field of three-dimensional printing, so as to solve the technical problem that the existing three-dimensional printing on-line monitoring systems are limited in imaging volume and cannot realize full-longitudinal-depth imaging. In the three-dimensional printing on-line monitoring method, full-longitudinal-depth imaging monitoring of the whole printing process is achieved by longitudinal-depth segmented scanning of a printing solidified layer and based on a longitudinal automatic splicing algorithm, and synchronous micro-tomography imaging on-line monitoring of the printing is achieved by guiding printing parameter optimization and control of a next depth-increased segment by using in real time a result feedback of the longitudinal-depth segmented being scanned; and at the same time of completing the manufacturing of the printed product, a three-dimensional high-resolution global image of an internal structure of the printed product is acquired, thereby completing quality control.

The invention provides a manufacturing method for a carbon fiber-reinforced thermoplastic resin composite material. The method comprises the steps of firstly removing a sizing agent on a carbon fiber surface, then performing metallic coating treatment, water scrubbing and surface heat treatment, leading into a dipping die head containing melt thermoplastic resin in a splitting state, enabling the melt thermoplastic resin to wrap the carbon fiber surface, then performing cooling and grain-size dicing, so that the carbon fiber-reinforced thermoplastic resin composite material is prepared. The method has the advantages of simple and practical process, low cost, stable quality, good mechanical property, good electromagnetic protective property and light weight.

The invention relates to a residential building system with cast-in-situ beam columns and prefabricated sandwich concrete wall panels and a construction method, and the construction process of a vertical load-bearing structure is as follows: mounting the prefabricated sandwich concrete wall panels in para-positions on an underbeam/foundation so as to leave certain vertical gaps at the joints between the prefabricated sandwich concrete wall panels respectively, leaving horizontal gaps between the prefabricated sandwich concrete wall panels and the underbeam/foundation, mounting clamp dies at the gaps and casting concrete in situ so as to fixedly connect inter-plate connecting columns and horizontal joints formed at the vertical gaps and the horizontal gaps respectively, cast-in-situ wall corner columns and the prefabricated sandwich concrete wall panels into a whole and further constitute the vertical force-bearing structure of the residential building system. By adopting the invention, the bearing capacity of a wall body and the integrity and the anti-seismic performance of the structure of the whole residential building system are significantly improved, the application of steel mesh frame polyphenyl sandwich panels in the load-bearing structures is powerfully pushed, and the economic and social benefits are significant.

The invention discloses a vision sensing-based laser-electric arc hybrid welding real-time automatic control device and a welding method thereof. A welding gun is connected with a laser head. The fused welding wire tip of a welding wire forms a molten drop in the welding process. A laser beam is irradiated to weldment, and a laser keyhole is formed. A high-speed camera is used for filming images of the fused welding wire tip and the laser keyhole. The high-speed camera is connected with an image processing industrial personal computer. The image processing industrial personal computer is connected with a combined welding head control device of the welding gun and a welding equipment control device of the welding gun. The image processing industrial personal computer controls the distance between the central point of the laser keyhole and the central point of the molten drop through the combined welding head control device of the welding gun and controls the vertical coordinate Y value of the central point of the fused welding wire tip through the welding equipment control device of the welding gun. By the adoption of the vision sensing-based laser-electric arc hybrid welding real-time automatic control device and the welding method thereof, the problems that in the prior art, the distance between the center of a molten drop and the center of a laser keyhole cannot be adjusted in real time, visualization of the adjusting process cannot be achieved, and accordingly the distance between the center of the molten drop and the center of the laser keyhole is too large or too small are solved.

The invention aims at providing a universal method for manufacturing and repairing electric circuits on the surfaces of two-dimensional or three-dimensional ceramic materials. The universal method includes the steps that the surfaces of the ceramic materials which are covered with ions or complex-ions of specific metal in advance are processed through laser beams according to pre-designed circuit patterns, then chemical plating is implemented, and then the required conducting circuits can be obtained. According to the technology, the various complex conducting circuits can be rapidly and directly manufactured or repaired on the surfaces of various ceramic substrates including the planar ceramic substrates and the three-dimensional ceramic substrates, and the universal method has no special requirements for the materials of the substrates, does not need vacuum, and is low in cost and high in flexibility degree and efficiency. The obtained conducting circuits are even and compact in surface, free of cracks and good in conductivity and combining force, and therefore the universal method has the universality.

The invention discloses a cut rolled stem processing procedure, comprising the following processes: increasing temperature and humidity of stem, cutting the stem; increasing temperature of the cut rolled stem; expanding the cut rolled stem; cutting the cut rolled stem; storing. Increasing temperature and humidity of stem employs an apparatus for increasing temperature and humidity of stem, to rise the temperature of the stem from normal temperature to 60 DEG C, and to rise water ratio of the stem from 33% to 34-40%. Cutting the stem employs a stem cutter to cut the stem into pieces having thickness of 0.12 to 0.3mm. Increasing temperature of the cut rolled stem employs an apparatus for increasing temperature of the cut rolled stem, to rise the temperature of the cut pieces to 70 to 90 DEG C. Expanding the cut rolled stem is to rapidly dehydrate the pieces and enlarge volume at high temperature from 150 to 170 DEG C. Cutting the cut rolled stem is to cut the expanded pieces into the cut rolled stem having thickness of 0.8 to 1.2 mm. The cut rolled stem produced according to the invention has small fluctuation of quality and prominent improved quality stability. On the basis of maintaining steady aesthetic quality, the cut rolled stem is changed from piece shape into filament shape, which enhances useful value of the cut rolled stem, lessens formulation cost of product and offers efficient means for coking reduction of the product.

The present invention describes a method of fabrication of nanocomposite semiconductor materials comprising aligned arrays of metal or semiconductor nanowires incorporated into semiconductor material for application in various electronic, optoelectronic, photonic and plasmonic devices employing self-assembling of the nanowires under light illumination from charged interstitial defect atoms, which are either inherently present in the semiconductor material or artificially introduced in the matrix semiconductor material.

The invention relates to a non-quenching high-toughness cold-working die steel belonging to the technical field of metallurgical manufacture. The novel cold-working die steel is developed by optimizing and creating a product component formula, adding alloy elements, rolled and cold thinned texture and adopting the processes of remelting and fining electroslag in an electric furnace, forging many times in a great forging proportion and special heat treatment. The manufacture process comprises the following flows: selecting a chemical component range; drawing an ingredient scheme according to the chemical component range; melting at an intermediate frequency; remelting (refining) the electroslag; annealing; discharging; extending hydrogen; forging; normalizing; tempering; mechanically processing; and detecting. The important manufacture process comprises the steps: (1) refining; (2) forging; (3) extending hydrogen; and (4) normalizing; and tempering so as to obtain non-quenching high-toughness cold-working die steel. The invention has reasonable chemical component proportion, low manufacture cost, good alloying effect, great forging transformer ratio, favorable density of metal structure and high toughness performance index. Various performance indexes of the product reach or exceed the levels of similar international and national products.

The invention belongs to field of a polymer material and shaping thereof, in particular to a long glass fiber reinforced polypropylene material and a preparation method thereof. The long glass fiber reinforced polypropylene material is prepared from the following components: 35-68wt% of polypropylene, 30-60wt% of long glass fiber, 1-5wt% of compatilizer and 0.3-1.0wt% of antioxidant, wherein the polypropylene is polypropylene with a melt index as high as 50-500g/10min. The preparation method comprises the following steps: mixing the polypropylene, the compatilizer and the antioxidant; feeding the mixture in a double-screw extruder; enabling the long glass fiber to be fully soaked by melts through a soaking die; and cooling, drawing and pelletizing the fully soaked long glass fiber to obtain the long glass fiber reinforced polypropylene material. By the invention, the soaking effect of the glass fiber in polypropylene melts can be reinforced, substances harmful to human bodies can be eliminated or reduced, the odor is lightened, and the soaking effect and mechanical property of the material can be effectively improved.