1256results about How to "Improve product quality" patented technology

Methods and systems are provided herein for monitoring pathogens in various environments and on various items, wherein data from monitoring is trackable, analyzable and comparable versus various standards or thresholds. The methods and systems disclosed herein also include a platform for managing the detection and reporting of pathogens across a number of locations within a number of environments, and using such detection for a wide variety of purposes.

The invention discloses a numerical control bottle cap production line, which comprises the following processes of: an inner plug feeding unit, an inner assembly unit, a bottle neck feeding unit, a bottle neck assembly unit, a middle sleeve feeding unit, a middle sleeve assembly unit, a middle sleeve stamping unit, a manipulator pick-up unit, an inner cap feeding unit, an inner cap assembly unit,an inner cap screwing unit, a top cap feeding unit and the top cap assembly unit, wherein the inner plug feeding unit is connected with the inner plug assembly unit by an inner plug vibrating plate slideway; the bottle neck feeding unit is connected with the bottle neck assembly unit by a bottle neck slideway and a bottle neck conveying belt; the middle sleeve feeding unit is connected with the middle sleeve assembly unit by a slideway and a middle sleeve conveying belt; the middle sleeve stamping unit is connected with the middle sleeve assembly unit and the manipulator pick-up unit; and theinner cap feeding unit is connected with the inner cap assembly unit by an inner cap conveying belt. In the numerical control bottle cap production line, an integral bottle cap is assembled on the automatic production line to fulfill the aims of improving the production efficiency and the quality of products.

The invention provides a Mura phenomenon compensation method. A brightness correction coefficient formula is utilized for calculating the brightness correction coefficient of each position on an LCD display panel, thereby correcting brightness data of the LDC display panel at different gray scales according to the calculated brightness correction coefficient, wherein the brightness data are acquired through photographing by a camera, and furthermore obtaining the corrected brightness data. Furthermore Mura compensation data are acquired according to the corrected brightness data. Finally Mura compensation is performed on the LCD display panel according to the Mura compensation data. Therefore the Mura phenomenon compensation method has functions of preventing an adverse effect on Mura compensation effect caused by photographing angle of the camera, and improving product quality of the LCD display panel.

The invention discloses a seamless steel tube production process information tracking method, which carries out equipment electrical control partition and single branch pipe tracking partition on a production line; an added seamless steel tube production process information acquisition device is provided with a QAS device, an on-line steel tube jet printing machine, an on-line steel tube label making machine and an off-line steel tube number reading recognition machine; primary PLC of all the single equipment of the production and upper computers thereof are connected onto a server by Ethernet, and a database system is built; and the server visits the primary PLC in the single equipment of each area in an OPC manner by the Ethernet, and visits the upper computer of the single equipment of each area in a database manner. The invention solves the problem that the existing seamless steel tube production can only realize batch tracking, realizes the real-time track record of real running positions of each steel tube during the whole process from the on-line of the raw material tube blank to the off-line of the finished steel tube in the seamless steel tube production, the original setting information of each single equipment and the practical production information, and satisfies the practical requirements of users and manufactures on single steel tube production information tracking.

A method for removing impurities by oxidation in the process of zinc hydrometallurgy with sub-zinc oxide high in iron content as the raw material specifically comprises the following five procedures: A. primary impurity removal during leaching of sub-zinc oxide; B. deep impurity removal of ZnSO4 solution; C. first-stage purification of ZnSO4 solution; D. second-stage purification of ZnSO4 solution; and E. filtration to finally obtain the ZnSO4 solution in accordance with the requirement for producing zinc by electrolysis. The method better solves the problem of impurity removal in the process of producing electrolytic zinc with sub-zinc oxide as the raw material, especially the removal of As, Sb, Ge, F and Fe, and ensures the electrolytic zinc to be produced smoothly and ensures high product quality. In the method, the industrial grade H2O2 is used as the oxidant to remove the impurities from the leachate of zinc oxide and can not bring in the impurities harmful to the electrolytic zinc, thus ensuring smooth production, improving the product quality and the production yield and lowering the cost, in addition, the industrial grade H2O2 is relatively cheap and easy to purchase, thus the method is suitable for popularization and application in large scale.

The invention discloses a prepreg/resin film infiltration co-curing forming method for composite stiffened wallboards. The method comprises the following steps: 1, tailoring prepregs, dry fibers and resin films; 2, spreading the prepregs and sizing dry fiber preforms; 3, assembling and packaging a mould for the stiffened wallboards; 4, co-curing and forming the stiffened wallboards; and 5, demolding the stiffened wallboards. According to the method, a skin is prepared by adopting prepreg spreading, ribs are prepared by the dry fiber preforms and the resin films, and in combination with the characteristics of a prepreg autoclave process and a resin film melting process, the ribs, the skin and the adhesive interface of the ribs and the skin are cured in an autoclave at the same time, thus realizing the co-curing forming of the stiffened wallboards with different rib forms and different material systems. The method can significantly improve the forming efficiency of the stiffened wallboard structure, reduce the manufacture cost, improve the quality of products and improve the flexibility and designability of the manufacturing process and is of great significance to the efficient low-cost manufacture of the composite material stiffened wallboard structure.

The invention provides a production method of granular bioorganic fertilizer. The preparation method comprises steps of preparing a liquid microbial preparation, making organic granules from amino acid waste liquid and organic matter raw material, and mixing organic granules with the liquid microbial preparation. The liquid microbial preparation is uniformly adsorbed on the surfaces of amino acidorganic granule, and the addition proportion in bioorganic fertilizer finished product is 0.5-1.5 wt%. The production method breaks the normal procedures, adopts granulation of organic granules and adsorption of liquid microbial preparation onto the organic granules, and ensures certain viable count in the bioorganic fertilizer. The bioorganic fertilizer product realizes the breakthrough from powder, pan or drum granulation to spray granulation, and lays a foundation for improving the commercial quality and the effectiveness of the bioorganic fertilizer and promoting the bioorganic fertilizer.

The invention discloses a manufacturing process of glass fiber reinforced plastic. The manufacturing process comprises the following steps of preparing colloid,: preparing the colloid according to the proportion of 98 percent of gel coat and 2 percent of curing agent under the environment of temperature of 25 DEG C and humidity of 70 percent and uniformly stirring; coating the colloid: uniformly coating the colloid prepared in the step a on a mould, wherein the using amount is 300-500 grams/square meter and the brushing thickness is 0.3-0.45 mm; gelling: gelling under a normal temperature environment for 30-40 minutes; laying glass fiber: laying a glass fiber layer; rolling resin: uniformly coating the resin on the glass fiber layer, wherein the thickness of the coating is 3.5-4.5 mm; and curing, forming and demolding under the condition of normal temperature. By using the method provided by the invention, the reject ratio of products can be effectively reduced, and the product quality can be improved and guaranteed.

The invention relates to the technical field of manufacturing of an LED lamp and particularly relates to automatic assembly equipment for an LED bulb lamp. The automatic assembly equipment comprises a lamp holder feeding device, a wire embedding device, a lamp cap mounting device, a wire bending device, a lamp nail mounting device, a blanking device and a conveying device, wherein the wire embedding device is used for settling wires on a lamp holder; the lamp cap mounting device is used for mounting a lamp cap on the lamp holder; the wire bending device is used for bending the wires; the lamp nail mounting device is used for mounting a lamp nail at the upper end of the lamp cap; the conveying device is used for conveying the lamp holder among all devices; the wire embedding device comprises a wire embedding mechanism and a wire shearing mechanism; the lamp nail mounting device comprises a lamp nail feeding mechanism and a riveting mechanism, wherein the riveting mechanism is used for fixedly connecting the lamp nail with the lamp holder. By the structure, the automatic assembly equipment provided by the invention has the advantages of realizing automatic assembly of the lamp cap and the lamp holder of the LED bulb lamp, improving the production efficiency, improving the product quality, reducing generation rate of waste products and realizing automatic large-scale production.

This invention relates to a method of using gas containing molecular oxygen to catalytic oxidate double-gan phosphine for preparing glyphosate. The steps:(1) mix double-gan phosphine, water and activated carbon, at condition of speed of agitator 800 to 1500 r/m , inlet oxygen enrichment gas to carry out reaction, reactant liquor for refrigeration, glyphosate seed out, collect glyphosate and activated carbon blending press cake, divide mother solution with deleterious impurities such as formaldehyde; (2) plunge glyphosate and activated carbon admixture press cake to glyphosate saturation solution, after glyphosate dissolving take filtration while hot, filtrate recooling, glyphosate seedout, cake drying, then gain glyphosate solid; or plunge press cake to water, cooling, drop isopropylamine or inlet alkaline air, directly prepare isopropylamine salt or ammonium salt water solution.

The invention relates to a method for producing a chemical raw material by hydrocracking. A catalyst for producing the chemical raw material by hydrocracking comprises the following components in percentage by weight according to 100 percent by weight of the catalyst: 30-70 percent of mesoporous amorphous silicon-aluminum, 10-30 percent of modified Y-type molecular sieve, 5-15 percent of Beta molecular sieve, 1-10 percent of NiO and 10-29 percent of WO3. The method for producing the chemical raw material by hydrocracking comprises the following steps of: loading metal components including Ni and W on a carrier by adopting a fractional infusion method, wherein a nickel acetate or nickel nitrate solution is used as a nickel source and ammonium meta-tungstate or ammonium tungstate is used as a tungsten source; adding a metric nickel salt solution in the preparation process of amorphous silicon-aluminum, wherein the addition amount of nickel accounts for 20-80 percent of the using amount of NiO in the catalyst; and preparing a mixed carrier and loading residual nickel salt solution and all tungsten salt solution by adopting a co-infusion isovolumetric method. The method disclosed by the invention has higher light oil recovery rate; meanwhile, heavy naphtha with high aromatic latent content and tail oil with BMCI (Bureau of Mines Correlation Index) value, which are respectively used as a favorable catalytic reforming raw material and a raw material for preparing ethylene by steam cracking, can be obtained.

The invention discloses a method for preparing low-ash and low-sulfur coal-water slurry by using coal slurry. The method comprises the following steps: step (1), after adding water in the coal slurry and slurrying, carrying out classifying and ball-milling treatment to obtain ore pulp with the solid content of 40-60%, wherein 0.074 mm particles in the ore pulp accounts for the total weight of a solid part by 70% or above; step (2), adding water to adjust the solid content of the ore pulp prepared in the step (1) to be 15-45%, then adding a floating agent to carry out multi-stage floating, and collecting flotation coal concentrate; step (3), carrying out filter pressing treatment on the flotation coal concentrate prepared in the step (2), wherein the water content of a filter cake obtained by filter pressing is 28%-38%; step (4), stirring and dispersing the filter cake obtained in the step (3) and a dispersing agent into slurry, and controlling the viscosity of the slurry to be smaller than or equal to 1,200 mPa.s; step (5), feeding a stabilizer and a pH regulator in the slurry obtained in the step (4), and continuing stirring and homogenizing to obtain the low-ash and low-sulfur coal-water slurry. By the method, the added value of products can be greatly increased, the coal slurry can be efficiently and cleanly utilized, and the economic benefit and the environment benefit are remarkable.

The invention discloses a method for manufacturing a silicate product under hydrothermal condition of molybdenum tailings. The silicate product comprises an autoclaved aerated concrete building block or a slab, a steamed silicate brick, an autoclaved sand lime brick and a calcium silicate slab. The method for manufacturing the silicate product comprises the following steps: evenly mixing raw materials such as the molybdenum tailings, lime, gypsum and the like according to a proportion, shaping the mixture, and then producing the silicate product such as the aerated concrete building block, the brick, the slab and the like under the hydrothermal condition of vapor pressing or steaming, wherein the vapor pressing is carried out for 4 to 10 hours at a constant temperature of between 175 and 210 DEG C, and the steam pressure is 1.0 to 1.3MPa; and the steaming is carried out for 24 to 48 hours at a constant temperature of between 70 and 100 DEG C. The method uses the molybdenum tailings to change waste into valuable. The silicate product has the advantages of high strength, soil conservation, energy conservation, environmental protection, waste recycling and the like, and has remarkable economic benefit and social benefit.

The invention discloses a method for producing a 65Mn hot rolled steel plate, which comprises the steps of smelting, refining, thin slab casting, soaking, high pressure water descaling, hot continuous rolling, cooling and reeling based on the process of thin slab casting and rolling. The molten steel superheat temperature is T superheat (30 DEG C <T superheat </= 45 DEG C), the charging temperature of casting blanks is T charging (900 DEG C </= T charging </= 1050 DEG C), the final rolling temperature is T final (850 DEG C </= T final </= 950 DEG C), the reeling temperature is T reeling ( 550 DEG C </= T reeling </= 650 DEG C), the liquid core pressure of casting blanks is L pressure (2 </= L pressure </= 20mm), and the depth of a single-surface decarburized layer is 0.3 to 0.9 percent of the depth of the steel plate. The chemical constitutes of molten steel after being alloyed in a refining process comprise 0.62-0.70 wt.% of C, 0.17-0.37 wt.% of Si, 0.90-1.20 wt.% of Mn, less than or equal to 0.035 wt.% of P, less than or equal to 0.035 wt.% of S, less than or equal to 0.25 wt.% of Cr, less than or equal to 0.25 wt.% of Ni and the balance of Fe and inevitable impurities. The 65Mn hot rolled steel plate produced in the method has the characteristics of uniform structure property, high thermal stability and high strength, and the quality of the 65Mn hot-rolled steel plate is obviously improved.

The invention discloses technology for producing a strip steel continuous hot-dip galvanized thin coating. Excessive zinc solution is scraped by an air knife after the strip steel is discharged from a zinc pot. The technology can guarantee the surface quality of the thin coating, is convenient to be switched with common coatings, and meets the production requirements of different coatings. The technology comprises the following parameters: the zinc solution comprises 0.14 to 0.18 weight percent of effective aluminum, 0.015 to 0.03 weight percent of Fe and the balance of Zn, wherein the temperature of the zinc solution is between 455 and 465 DEG C, the temperature for putting the strip steel into the zinc pot is between 410 and 470 DEG C, the cutting edge gap in the middle of the air knife is 1.0 to 1.3mm, a distance from the air knife to the strip steel is 7 to 12mm, the height of the air knife is 150 to 380mm, and the wind pressure of the air knife is 20 to 45KPa. The technology is suitable for producing thin-coating galvanized plates.

The invention relates to red date wine and brewing method. The red date wine is light rose red or red, transparent, has pure red date sweet smell and bouquet. The alcohol content is 6-12%(20 degree centigrade V/V), total sugar 3-100g/L, titration acid 5-8g/L, dissociating sulfur dioxide <=50mg/L. The method includes full fruit dipping and clean juice fermenting processes. Pectinase would not be added in to improve the quality of the product. After main fermenting, aging for 4-6 months, the wine would be prepared. The invention has great meaning for sustainable development and society evolving for red date producing area.

A production line for manufacturing high temperature alloy furnace pipes and piperows characterized in that it comprises of a casting department production line, a machining department production line and a welding department production line. In the casting production line, a pipeline section is casted via the process of centrifugal casting. In the machining process, the tectorium of internal bore of the pipeline section is removed via the process of boring hole and a groove is machined via a digitally controlled pipe machine. In the welding process, the pipeline sections are welded into a long pipe via the process of argon-arc welding, and flanges and pipe fittings are welded to make a furnace pipes, and further, long furnace pipes are welded into piperows. Finally, quality products of furnace pipes and piperows are ensured through a series of testing equipments and testing procedures.

The invention relates to a high-speed wire stock finishing mill, in particular to a center-aligning method of a high-speed wire stock finishing mill, wherein the method comprises the following steps: (1), calibrating a middle datum point; (2), placing a transmitter; (3), establishing a laser collimating line; (4), measuring the point location and arranging a laser receiver on different measuring points to calibrate the central deviation of point location, wherein each point location is measured for twice, and the average value of the measuring result is used as the final result.

A method of making a semiconductor chip stacked structure includes dicing a semiconductor wafer into semiconductor chips, the semiconductor chips respectively having a first surface and a second surface opposite thereto, the semiconductor chips having integrated circuits and pads on the first surfaces, arranging the semiconductor chips at intervals on a film having adhesive property, connecting the pads through joining members, sealing with resin the joining members and surfaces of the semiconductor chips excluding the second surfaces to produce a chip sealing structure, dividing the chip sealing structure to produce separate chip sealing structures having ends of the joining members exposed at surfaces thereof, removing the film to expose the second surfaces, stacking the chip sealing structures one over another and connecting the exposed ends of the joining members through a bonding wire to produce a chip stacked structure, and mounting the chip stacked structure on a wiring substrate.

The invention relates to a method for controlling glass to be heated in the glass toughening process. The method includes the steps that a plurality of temperature sensors used for detecting the temperature of the glass in a heating section are arranged on the heating section of a glass toughening furnace, the temperature sensors are connected with a control center of the glass toughening furnace, the control center is further connected with a transmission mechanism controller of the heating section, the temperature needing to be reached by the glass on the heating section through heating is set in advance according to different sorts of glass to be toughened before the glass is heated, when the temperature sensors detect that the temperature of the glass reaches the set temperature in the glass heating process, the control center sends an instruction to the transmission mechanism controller, the glass is moved out of the heating section, the next process is executed, an original mode that heating time is judged according to the experience of operators is changed, the percent of pass of finally-obtained toughened glass products is high, and the quality of the products is stable.

The invention provides a method for preparing imidodisulfuryl fluoride lithium. The method comprises the following steps: (1) reacting imidodisulfuryl fluoride with antimony trifluoride under a solvent free condition, and distilling to obtain imidodisulfuryl fluoride lithium intermediate; (2) reacting metal lithium with anhydrate low alcohol, and concentrating and drying to obtain anhydrate low alcohol lithium; and (3) reacting the imidodisulfuryl fluoride lithium with lithium alkoxide, concentrating, pulping, filtering and drying to obtain a high-purity imidodisulfuryl fluoride lithium product. The method for preparing the imidodisulfuryl fluoride lithium has the characteristics of low cost, high purity and simple operation, and is suitable for industrial production.

The invention discloses an automatic four-sided paint spraying device for plates used in construction engineering decoration, which comprises a paint spray booth, a paint tank, a spray box, a first spray head, a second spray head, a metal bellows, an output pump, a C-shaped clamping plate, and an adjustable extrusion Device, intermittent rotation device and position adjustment device, the left side of the spray booth is fixedly connected with the installation box, and the internal intermittent rotation device of the installation box; the clamping force can be adjusted according to the thickness of the plate, thus avoiding the thin plate clamping. Tight and thick boards are likely to cause clamping marks to improve product quality. When the wide side of the board is facing up, the first nozzle and the second nozzle spray paint at the same time, so that the wide side of the board can be painted, and when the narrow side of the board is When facing upward, only the first nozzle is used for painting, which saves a lot of paint consumption and saves costs. When it is necessary to adjust the height of the spray box, use your fingers to press the limit plate inward at the same time to facilitate the adjustment of the spray box. Height adjustment and pitch angle adjustment.

The invention discloses a sectional feeding type alkylation reactor and an alkylation reaction method. The reactor comprises a reactor barrel body, a seal head, a separating plate, an upper bed layer, a lower bed layer, a feeding pipe, a fed material distributing pipe, a rotating shaft, a supplementing material inlet, a discharging opening, a circulating cooling air inlet and a circulating cooling air outlet. The invention further provides the alkylation reaction method adopting the sectional feeding type alkylation reactor. The alkylation reaction method comprises the following steps: preparing acid hydrocarbon emulsion through iso-butane and concentrated sulfuric acid in the upper bed layer, and then entering a rotating bed at the lower bed layer together with mixed hydrocarbon which enters through a supplemented material inlet, so as to perform alkylation reaction.

A process for peeled citrus by means of ferment is presented and characterized by including washing clean citrus peel, identifying and discarding thread and line covered on citrus segment; putting said above segment into enzymolysis liquid, and through zymolysis on condition of pH 3-10 and temp. 35-60deg.C, mixing and discarding said thread and line, said enzymolysis liquid containing quality density is 0.05-5% of pectinase, 0.05-3% of cellulase, and 0.01- 2.5% of semi- cellulase separately , the rest to be water.

The invention provides a screening method for self-discharging of square lithium ion batteries. The method comprises the following steps: (1) charging each battery at normal temperature and normal pressure to a preset charged state and recording an open-circuit voltage V1 of the battery; (2) placing the battery in a preset high pressure environment for a preset time t; (3) taking the batter out, placing the battery in a normal pressure environment and recording an open-circuit voltage V2 of the battery; and (4) screening out a battery, with a V2 value less than a set value U1 or a difference value between V1 and V2 greater than a set value U2, as a battery with great self-discharging. Preferably, the preset charged state in the step (1) is 50 to 100% SOC, the preset high pressure environment in the step (2) is 0.15 to 1 MPa, and the preset laying time t is 5 to 20 d. According to the invention, a preset high pressure is applied on the square battery to allow the positive plate and the negative plate of each battery to fully contact with the diaphragm of the battery so as to effectively screening out batteries with great self-discharging, so the detection rate of batteries with great self-discharging can be substantially increased, and product quality is improved.

The invention discloses a traditional Chinese medicine composition used for treating simple fatty liver. The traditional Chinese medicine composition comprises a treatment active component and a pharmaceutically acceptable carrier. The treatment active component is prepared from raw material medicines comprising, by weight: 25-65 parts of polygonatum and 25-65 parts of dried longan pulp. According to the traditional Chinese medicine composition, polygonatum is formulated with dried longan pulp, such that the treatment effect of Siberian solomonseal rhizome against simple fatty liver is greatly improved.

The invention discloses a fully automatic railway bearing assembling and inspecting production line, and belongs to a bearing production assembly. The production line is provided with a first inspecting station, a first washing and blow-drying station, a clearance inspecting station, a push-out station, a turn-over station, a resin injection station and a pressure casing torque measuring station, wherein the first inspecting station is provided with an upper and lower inner component inspecting device which is used for inspecting whether the upper and lower inner ring components of the railway bearing passing through the station are assembled through a probe; by integrating all the automatic devices used for bearing assembly and production on the same production line, a corresponding sequence is set according to the specific procedures of the railway bearing assembly; multiple railway bearings pass through the stations on the production line in sequence; with the assistance of a programmable logical controller and a master computer, the mutual consistency of assembling of the railway bearings is effectively increased, the product quality is remarkably improved and the work efficiency is high.

The invention discloses a hydroprocessing and desulfurizing integration method, in particular a wax oil hydroprocessing and diesel hydrorefining integration process method. The method comprises the following steps: raw wax oil passes through a first reaction zone in the presence of hydrogen first, liquid obtained after separation of products is taken as catalytic cracking raw materia; hydrogen-containing gas and gas phase of light liquid obtained after separation are mixed with diesel raw material to enter a second reaction zone; and gas after separation of products in the second reaction zone is recycled after desulfurization, and liquid obtained after separation is subjected to fractionation to obtain hydrogenant naphtha and hydrogenant diesel. The method aims at technical characteristics of wax oil hydroprocessing and hydrorefining, integrates the two technologies for application, simplifies process flow, simplifies the process flow at the same time of meeting the same product requirements, and reduces equipment, investment and operating cost. The method is applied to newly built equipment to reduce equipment investment and applied to expanding reformation of the prior devices.

The invention relates to an in-situ on-line detection device for a metallurgy liquid metal component. The device comprises a front-end high-temperature-resisting optical probe, a middle-end signal generating and acquiring part and a rear-end control platform, wherein the front end of the front-end high-temperature-resisting optical probe is arranged in metallurgy liquid metal to generate an optical signal and is used for transmitting the optical signal to the middle-end signal generating and acquiring part; the middle-end signal generating and acquiring part is used for converting the received optical signal of the front-end high-temperature-resisting optical probe into an electrical signal and outputting the electrical signal to the rear-end control platform; and the rear-end control platform is used as a manual operation and display platform and is used for receiving the electrical signal transmitted by the middle-end signal generating and acquiring part, processing the received electrical signal, controlling a laser signal of the middle-end signal generating and acquiring part and controlling the flow of water and gas in the front-end high-temperature-resisting optical probe. By the device, detection time is greatly shortened, the quality of a product is substantially improved, production cost is reduced, and energy consumption is reduced; and the device has an accurate measurement result and can be used for measuring difficultly-measured components such as C, S, P and the like.

The disclosed preparation method for increasing specific volume of electrode foil in use for aluminum electrolytic capacitor includes following steps: carrying out hydration for medium pressure corrosion aluminum foil in pure water at temperature 95 deg.C or higher; dipping hydrated aluminum foil in 0.1-5% solution of phosphoric acid at temperature 40-80 deg.C; then, carrying out two times of reduction in water solution containing 0.5-3% ammonium adipic acid, and 3-10% boric acid at temperature 60-90 deg.C; after first reduction, process at constant pressure for 20-30 minutes, and through treatment at high temperature at temperature 350-500 deg.C; after second reduction, process at constant pressure for 10-15 minutes. Useful effects are: reasonable technique, high quality of products, and raised 4-10% specific volume for electrode foil produced.