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44results about How to "Keep in good shape" patented technology

Control method of cold precipitation temperature in traditional Chinese medicine alcohol precipitation process

ActiveCN105353800AProper Collision ProbabilityKeep in good shapeTemperatue controlTemperature controlReduction rate
The invention discloses a control method of cold precipitation temperature in a traditional Chinese medicine alcohol precipitation process. The control method comprises the following steps: 1) an alcohol precipitation pot is provided with a low-temperature water incoming and outgoing adjustment value and a temperature sensor; 2) the cold precipitation temperature T, temperature reduction time t and heat preservation and cold precipitation time are set on a controller, and the controller is set to start to perform an adjustment when a fluctuation range of the cold precipitation temperature exceeds plus or minus 1 DEG C in a heat preservation and cold precipitation process; 3) the controller performs temperature control through a change, caused by an adjustment of an opening degree K, of flow of low-temperature water, wherein K=0.1*(T<0>-T<c>)*k*100%=0.1*(T<0>-T<c>)*(T<0>-T) / t*100%; and 4) when temperature drops down to the set cold precipitation temperature T, heat preservation is started, the temperature sensor detects temperature of a material in real time, the controller performs the real-time adjustment, and, after set time is reached, a cold precipitation stage ends. The control method can achieve accurate control of the temperature reduction rate and the cold precipitation temperature, and guarantee the high-quality grade and homogeneity of final products.
Owner:SUZHOU ZEDAXINGBANG MEDICAL TECH

Fan-shaped section secondary cooling system for solidification final stage heavy reduction

The invention belongs to the technical field of metallurgy and particularly relates to a fan-shaped section secondary cooling system for solidification final stage heavy reduction in continuous casting cooling. The fan-shaped section secondary cooling system for solidification final stage heavy reduction comprises cooling nozzles and powerful descaling nozzles which are installed in a horizontal fan-shaped section of a continuous casting machine and correspond to an outer arc roller section and an inner arc roller section, the cooling nozzles and the powerful descaling nozzles which correspondto the inner arc roller section and the outer arc roller section are distributed in a horizontally and vertically staggered mode, the horizontally arranged nozzles are located at two ends between a first roller and a second roller and oppositely placed in the axial direction of the roller sections, and included angles are formed between the horizontally arranged nozzles and the horizontal plane.Included angles are formed between the vertically arranged cooling nozzles and powerful descaling nozzles which correspond to the first roller and the second roller and the vertical direction. The fan-shaped section secondary cooling system for solidification final stage heavy reduction not only can meet the cooling requirement of the rollers of the fan-shaped section, be beneficial for keeping agood state of the fan-shaped section, and prolong the service life of the fan-shaped section, but also can meet the requirements for cooling of cast blanks and cleaning of surface scale, be beneficialfor uniformly cooling inner and outer arcs of plate blanks, prevent buckling deformation of plate blanks, and guarantee the quality of continuously cast blooms.
Owner:NORTHEASTERN UNIV LIAONING

A kind of control method of cold precipitation temperature in alcohol precipitation process of traditional Chinese medicine

ActiveCN105353800BProper Collision ProbabilityKeep in good shapeTemperatue controlTemperature controlAlcohol
The invention discloses a method for controlling the cold sink temperature in the alcohol precipitation process of traditional Chinese medicine, which comprises the following steps: 1) a low-temperature water inlet and outlet regulating valve and a temperature sensor are respectively arranged on the alcohol precipitation tank; 2) the cold sink temperature is set on the controller The temperature T, the cooling time t and the heat preservation and cold sink time are set during the heat preservation and cold sink process. When the temperature fluctuation range of the cold sink exceeds ±1°C, the controller starts to adjust; 3) The controller changes the low temperature by adjusting the opening K. The flow of water is controlled by temperature, where K=0.1*(T0‑Tc)*k*100%=0.1*(T0‑Tc)*(T0‑T) / t*100%; 4) When the temperature drops to the set When the cooling temperature is T, the heat preservation starts. The temperature sensor detects the temperature of the material in real time, and the controller adjusts it in real time. After the set time is reached, the cooling phase ends. The invention can realize the precise control of the cooling rate and the cold sink temperature, and ensures the high-quality grade and uniformity of the final product.
Owner:SUZHOU ZEDAXINGBANG MEDICAL TECH

Fruit juice beverage product formula capable of relieving pressure

The invention discloses a fruit juice beverage product formula capable of relieving pressure. Thefruit juice beverage product formula capable of relieving pressure comprises the following raw materials in parts by weight: 800-880 parts of pure water, 50-70 parts of high fructose corn syrup, 15-45 parts of white granulated sugar, 10-20 parts of juicy peach concentrated juice, 10-20 parts of isomaltooligosacharide, 5-20 parts of erythritol, 0.5-4 parts of tea leaf theanine, 0.5-5 parts of passion fruit concentrated juice, 1-3 parts of citric acid, 0.5-5 parts of gamma-aminobutyric acid, 0.5-3 parts of pectin, 0.1-1 part of sodium citrate, 0.1-1 part of L-malic acid. 0-0.5 part of beta-cyclodextrine, 0.01-0.2 part of stevioside, 0.05-1 part of honey peach essence and 0.05-1 part of passion fruit essence. The fruit juice beverage product formula capable of relieving pressure is specially designed for people who are high in living and working pressure and prone to anxiety in emotion, combined use of the theanine and the gamma-aminobutyric acid in the tea leaves is beneficial for relaxing the body and relieving the emotion pressure, and the effect is more remarkable; according to the present invention, the package of 50mL/bottle is designed for the product, such that the carrying is convenient, the pressure can be relieved anytime and anywhere, and the good mood state can be maintained.
Owner:安徽天凯生物科技有限公司

Porous ceramic and preparation method thereof

PendingCN114368978AWide control range of porosityNo volume shrinkageCeramicwarePickering emulsionPore diameter
The invention belongs to the technical field of preparation of porous ceramics, particularly relates to porous ceramics and a preparation method thereof, and aims to solve the problems that the stability of the porous ceramics prepared by the existing method is easily influenced, the heat conductivity coefficient is lower and the pore diameter is larger. The porous ceramic is prepared by the following steps: drying a Pickering emulsion to form a ceramic green body, and sintering the ceramic green body, wherein the Pickering emulsion is formed by uniformly stirring 20-80 parts by mass of inorganic oxide particles, 20-80 parts by mass of carbohydrate, 20-80 parts by mass of a dispersing agent and 20-80 parts by mass of deionized water, dropwise adding 20-80 parts by mass of a short-chain surfactant in a stirring state to prepare a dispersion liquid, adding an oil phase and foaming. 1 to 40 parts of carbohydrate; 0.5-3 parts of a dispersant; 100 parts of deionized water; 0.5 to 3 parts of a short-chain surfactant; and 0.5-6 parts of an oil phase. The thermal conductivity of the prepared porous ceramic is improved, the porosity regulation and control range of the ceramic is larger, the particle size selection range is wider, and the stability of emulsion in the preparation process is good.
Owner:北京市科学技术研究院分析测试研究所(北京市理化分析测试中心)

Ballasted track and anti-derailing bridge sleeper

The invention relates to a ballasted track and an anti-derailing bridge sleeper. The anti-derailing bridge sleeper comprises a sleeper and an anti-derailing structure, both the sleeper and the anti-derailing structure are made of reinforced concrete, and the anti-derailing structure is integrally formed and embedded in the sleeper, so that compared with a traditional steel guard rail, the anti-derailing bridge sleeper has the characteristics that materials taken are low in price, moreover, buckling piece holes do not need to be reserved, and the construction process is simpler, secondly, compared with the traditional steel guard rail, the anti-derailing structure made of the reinforced concrete is larger in size and larger in weight, the mass of the sleeper can be increased, so that the stability of the sleeper is improved, the contact area between the sleeper and ballast is also increased, and the crushing tendency of the ballast is reduced; meanwhile, the longitudinal resistance andthe transverse resistance of the sleeper are increased, and particularly, the transverse resistance of the sleeper is remarkably increased; and in addition, in a long and large ramp and a starting andbraking area, the anti-derailing structure also plays a role in fixing the sleeper spacing, so that sleeper density change is unlikely to occur, and the good state of a line can be kept.
Owner:CHINA SHENHUA ENERGY CO LTD

Preparing method for electrically transforming competent cells without buffer solution

The invention provides a preparing method for electrically transforming competent cells without a buffer solution, and belongs to the technical field of molekulare bakteriengenetik. The preparing method comprises the following steps that colibacillus is inoculated into a liquid culture medium containing magnesium ions for first culture; the first culture is mixed with the liquid culture medium, and then secondary culture is conducted to obtain a second culture, the second culture is subjected to centrifugal separation, and precipitation is obtained; the precipitation is mixed with water, afterthe precipitation is suspended, centrifugal separation is conducted, and precipitation is obtained; the precipitation is mixed with water, after the precipitation is suspended, centrifugal separationis conducted, precipitation is obtained, the operation is repeated one time, and precipitation is obtained; the precipitation is mixed with water, after the precipitation is suspended, centrifugal separation is conducted, and precipitation is obtained; the precipitation is mixed with water, after being suspended, the precipitation is evenly mixed with dimethyl sulfoxide, and electrically-transformed competent cells are obtained. By means of the preparing method, the high- transformation-rate competent cells can be obtained, the operation is simple, and the preparation cost is low.
Owner:SHAANXI SCI TECH UNIV

Human umbilical cord mesenchymal stem cell-derived stem cell factor microvesicle preparation and preparation method

The invention relates to a human umbilical cord mesenchymal stem cell-derived stem cell factor microvesicle preparation and a preparation method. The method uses the umbilical cord tissue discarded by clinical pregnant women after childbirth as a material to obtain human umbilical cord mesenchymal stem cells and human umbilical cord mesenchymal stem cells with medical value Stem cell factor microvesicles derived from stem cells have good product uniformity and high production efficiency, which is conducive to large-scale production and avoids medical ethics issues. This method strictly operates in the process of culturing and expanding human umbilical cord mesenchymal stem cells. The whole process is carried out in a million-level cell laboratory without using antibiotics, which avoids possible changes in stem cell properties and damage to human umbilical cord mesenchymal stem cells. The influence of the microvesicle quality of the source stem cell factor can trigger tissue allergic reactions; use optimized serum-free human umbilical cord mesenchymal stem cell culture medium to avoid animal-derived blood components mixed into the suspension and cause human tissue allergy; the frozen microvesicle suspension prepared Dry powder is easy to store and provides convenience for subsequent product production.
Owner:武汉五州润达生物医药科技有限公司

A printing and dyeing processing adjustment device for the side panel of the mechanical arm of an industrial robot

The invention discloses a printing and dyeing regulating device for a side panel of a mechanical arm of an industrial robot. The printing and dyeing regulating device comprises a frame, a push wheel,a first stamping head and a second stamping head; a horizontally-arranged mounting plate is installed at the top of the frame; the two sides of the two ends of the top of the mounting plate are each fixedly connected with two groups of supporting frames; the middle part of a vertical plate is provided with a through hole; the internal upper and lower ends of the through hole are each connected with a dirt removing plate; a side plate is connected between the tops of the two supporting frames close to the two sides of one end of the push wheel; and the top of the side plate is uniformly and sequentially connected with a first top plate, a second top plate and a third top plate which are arranged horizontally. The printing and dyeing regulating device disclosed by the invention is convenientand quick to use, can be used for fully processing a to-be-processed material, realizes relatively complete processing, can obtain a side panel of which the quality is relatively high, realizes convenient and quick regulation in use and is applicable to different working requirements.
Owner:杨书朋 +4
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