199results about How to "Fully activated" patented technology

The invention relates to a method used for in vitro proliferation of NK cells, and more specifically relates to a method used for realizing large-scaled proliferation of NK cells via autologous peripheral blood mononuclear cell in vitro cultivating. According to the method, proliferation and activation of NK cells are realized via different cytokine combination. The method comprises following steps: autologous peripheral blood mononuclear cells are inoculated in CD3 antibody and CD16 antibody pre-coated culture bottles, and are subjected to stimulation for 16 to 24h; and a serum-free medium containing IL-2 and IL-18 is added. According to the method, CD3 antibody and CD16 antibody are immobilized via coating, direct stimulating activation of NK cells is performed, so that toxicity of NK cells is increased greatly, activation and proliferation of NK cells are realized using two cytokines IL-2 and IL-18, proliferation multiple and cytotoxicity of NK cells are ensured, and culturing cost of NK cells is reduced greatly.

The invention discloses a composite sludge conditioner based on iron-containing sludge pyrolysis residue as well as preparation and application of the composite sludge conditioner. The composite sludge conditioner contains the iron-containing sludge pyrolysis residue and an oxidant matched with the iron-containing sludge pyrolysis residue for use, wherein the iron-containing sludge pyrolysis residue is the pyrolysis residue prepared by the steps of dehydrating iron-containing sludge obtained from an advanced oxidation technique involved with an iron-containing element reagent so as to obtain an iron-containing mud cake, and carrying out pyrolysis on the iron-containing mud cake. Compared with the prior art, the composite sludge conditioner has the advantages that by utilizing an integral reutilization manner of a subsequent treatment processes of the mud cake of the iron-containing sludge and improving the specific reaction condition parameters in each subsequent treatment process step, the treatment problem of the mud cake at the tail end in an existing sludge treatment technique can be effectively solved, and the composite sludge conditioner formed by the mud cake of the iron-containing sludge for the deep dehydration of the sludge can be used as a sludge conditioner for circularly conditioning the sludge, so that the adequate utilization of resources can be realized.

The invention discloses a method for preparing metal-silver-doped carbon-covering lithium iron phosphate of lithium-ion battery cathode material, comprising steps: A. mixing lithium compound, phosphate and silver compound together according to the mole ratio of Li: P: Ag, and dissolving by water; sequentially adding citric acid and glycol, and stirring to prepare collosol; B. adding organic sugar with the molar weight of 1-2 times of that of silver salt into the collosol, adding iron compound with the mole number being the same as that of lithium salt and carbon reducing agent with the equal molar weight based on pure carbon, and evenly mixing, vacuum drying and ball-milling the mixture; then, pressing the mixture powder to be molded after ball-milling, and preparing precursor of synthesized lithium iron phosphate; C. putting the obtained precursor into a vacuum reaction furnace to have reaction under the condition of certain vacuum degree, and ball-milling to obtain the metal-silver-doped carbon-covering lithium iron phosphate LiFePO4 / Ag / C cathode material. The method has the advantages of simple technique, easy amplification, good electric conduction performance, excellent high-rate discharge performance, high specific capacity and electrochemistry efficiency, small particle size distribution range and high tap density.

The invention discloses a method for preparing a lignin-based adhesive, comprising the steps of (1) mixing lignin and glyoxal in the mass ratio of (3-20):1, adding dilution water to ensure that the solid content of the whole reaction system is within 50%, adding alkali liquor to regulate the pH value to 11-13, heating to 75-85 DEG C and reacting, wherein lignin is added in 3 batches and the ratio of the reaction time after each batch of lignin is added is 1.5:1.2:1; (2) cooling to 50-60 DEG C, and adding urea accounting for 3-5% by consumption of lignin and reacting; and (3) cooling to 30-35 DEG C, adding a coupling agent accounting for 2-5% by consumption of lignin and a reinforcing agent accounting for 5-20% by consumption of lignin, reacting, cooling and discharging. The method disclosed by the invention has the advantages of simple process, good reproducibility, good resin stability, long storage period and low cost; and the prepared lignin-based adhesive has the advantages that the lignin content can be up to 30-50% and the pressed plywood board meets the requirement of national II-level boards in the aspect of the bonding strength.

The invention discloses a formation method and a preparation method of a high-voltage lithium ion battery as well as a battery. The formation method comprises steps as follows: (1), the battery is charged at constant current of 0.015C-0.05 C at limit voltage of 0.15 V-0.5 V and put aside for 10min-3h; (2), the battery is charged at constant current I2 of 0.05C-0.15 C at the limit voltage of 0.1V-0.4V, then charged at the constant voltage higher than mean voltage by 0.1V-0.4V at the limit current of a product of I2 and 0.1 and put aside for 10min-3h; (3), the battery is discharged for 0.5h-3h at constant current of 0.05-0.2 C and put aside for 10min-3h; (4), the battery is charged at the constant current I5 of 0.2C-1 C at the limit current U3 (the highest charge cut-off voltage), charged at the constant voltage U3 at the limit current of a product of I5 and 0.1, put aside for 5min-3h, discharged at the constant current I5 at the limit voltage U4 (the lowest discharge cut-off voltage) and put aside for 20min-3 h. By means of the method, a battery material is completely activated, and the compact and stable SEI film is formed.

A system for higher power output and low-temp exhaust and cleaning of tail gas for IC engine is composed of temp-raising pressure-retaining swirler, filter, silencing cooler and vacuum adsorber. Saidswirler consists of swirl chamber, airflow guide cone, and flow limiting plate. Said silencing cooler comprises internal and external silencing cooling tubes with silencing holes. Said vacuum adsorber has internal and external metallic tubes with exhaust holes, activated carbon between two tubes and flow barrier. Its advantages are low cost, high output power, low noise and temp of exhausting tail gas, and tail gas cleaning function.

The invention provides a method for improving the activation efficiency of a fuel cell. The method comprises the following steps: under a normal operation of the cell, testing a cell polarization curve before activation by a voltage scanning method; carrying out forced discharge treatment on the cell under nitrogen for a cathode instead of air; testing the cell polarization curve by the voltage scanning method; introducing air at a low stoichiometric ratio for constant-voltage activation treatment for twice, and testing each cell polarization curve by the voltage scanning method after each activation treatment; and judging whether activation is finished or not according to the deviation degrees of two polarization curves. The method has the beneficial effects that with quick testing of the cell polarization curves by the voltage scanning method as a characterization method for the cell activation degree, the activation process is controllable; the treatment method employing the nitrogen for the cathode instead of air is beneficial to eliminating surface impurities of a catalyst and opening a closed hole and a semi-closed hole in a catalyst layer; the mass transfer ability is strengthened; and the activation method is simple to operate, short in activation time, low in fuel consumption, high in activation degree and controllable in activation process.

The invention discloses a method for preparing a surface-metalized coating of an epoxy resin matrix composite material. According to the use requirement of a product, the surface of the product requires metal-plating treatment; and aiming at the problem that the epoxy resin matrix composite material has poor conductivity and cannot be directly plated on the surface. Through a test, a chemical nickel-plating method is adopted to metalize the surface of the epoxy resin matrix composite material; the surface metalized epoxy resin matrix composite material is used as an excellent conductive matrix for the plating; and the subsequent plating treatment is performed. Before the chemical nickel-plating, the material has poor surface activity, and the common pretreatment method only can remove the oil stain from the surface, so an obtained chemically nickel-plated layer has poor binding force. In the method, a pretreatment process of removing oil, roughening, neutralizing, sensitizing and activating is adopted so as to effectively form a catalytic and active center, and facilitate the binding of the chemically nickel-plated layer.

The invention relates to the technical field of textile fabrics, and discloses a preparation method of a superhydrophobic cotton and linen textile fabric. First, the cotton and linen fabric is steamed, SiO2 micron particles and ZnO micron particles are connected to the cotton and linen fabric through oxidized carboxymethyl chitosan, Ti(SO4)2 is hydrolyzed to form titanium dioxide nano-ions, and the titanium dioxide nano-ions are deposited on the surface of the cotton and linen fiber fabric and the SiO2 micron particles and ZnO micron particles to form a complex multi-layer microstructure and greatly improve the surface roughness of cotton and linen fibers in the cotton and linen fabric, so that the cotton and linen textile fabric has strong hydrophobic properties. The preparation method combines the gas permeability and the hydrophobicity of the cotton and linen textile fabric to allow the fabric to have waterproof and breathable properties.

The invention relates to acid solution used for processing the magnesium alloy surface. The acid solution is water solution which contains acids, inhibitor and wetting agent, wherein, the acids are first acids or mixture of first acids and second acids; the first acids are selected from one type or a plurality of types among citric acids, oxalic acids, tartaric acids, methanoic acids, acetic acids, metacetonic acids, butyric acids, glutaric acids, phenylformic acids, benzene dicarboxylic acids, lactic acids, glycolic acids, glyoxylic acids and amino acids; and the second acids are hydrochloricacids and / or nitric acids. By adoption of the acid solution, the magnesium alloy surface can be fully activated; the membranous layer of a converting film which is formed on the magnesium alloy surface after chemical conversion process is compact, has erosion resistance and good binding force with a paint film. Moreover, the method is a environment-friendly method for processing the magnesium alloy surface.

The invention discloses a preparation method of a carbon-based composite iron cyanamide material, which comprises the following steps: firstly, respectively taking ferramine oxalate, urea and conductive carbon according to a mass ratio of 1:2:(0.1-1), fully grinding and mixing to obtain uniform mixture powder, and marking the product as A; adding a surfactant into the product A, dissolving in water, dispersing, and freeze-drying to obtain a black product marked as B; and pyrolyzing the product B in a protective atmosphere to obtain a product C, namely the carbon-based composite iron cyanamidematerial. The obtained carbon-based composite iron cyanamide material is taken as a negative electrode material of the sodium ion battery. According to the invention, FeCN2 and conductive carbon are compounded by adopting a high-temperature pyrolysis and nitridation method; the synthetic product carbon-coated iron cyanamide active material is used as a negative electrode material of a sodium ion battery, a new material system is constructed by adding a conductive carbon material, the conductivity of the material is enhanced, and the preparation method is simple to operate, low in cost, safe and non-toxic, and is expected to realize industrial production.

The invention discloses an electrochemical detection chip, which comprises a first detection channel and a second detection channel, wherein a sample to be detected flows through a detection area of the blood coagulation detection chip. The detection area is divided into a first working area, a transition area and a second working area which are connected in sequence, wherein the first working area corresponds to the first detection channel to form a pre-reaction area, and the second working area corresponds to the first detection channel and the second detection channel to form a first reaction area and a second reaction area respectively; and a driving piece for driving the sample to be detected to flow from the first working area to the second working area is arranged on the detection area. The electrochemical detection chip can realize the integrated detection of PT and APTT, and has accurate result, high sensitivity and good repeatability. The invention discloses an electrochemical sensor, which comprises the electrochemical detection chip and can realize rapid and sensitive integrated detection of PT and APTT.

The invention provides an ultralow-density cordierite petroleum fracturing propping agent and a preparation method thereof. A principal crystalline phase of the popping agent is of a cordierite structure and is formed by firing coal ash, caustic-burned magnesia powder, Jiaozuo clay and a composite mineralizer, and the composite mineralizer is formed by mixing manganese oxide and barium carbonate according to the equal weight ratio. A large amount of high-silicone, low-aluminum, low-calcium and low-ignition-loss neutral coal ash is adopted as a main raw material, and the density index of the popping agent is effectively reduced; through the special processing and treating processes such as special pre-sintering on an important raw material magnesite and ultrafine grinding on batches and the composite mineralizer technology, it is effectively guaranteed that high-hardness and low-density principal crystalline phase minerals are formed in a system at high temperature, therefore, and it is guaranteed that the finished ultralow-density popping agent has high mechanical strength; the firing temperature of the popping agent is reduced, and the purposes of energy saving and consumption reduction are achieved.

The invention concerns a door handle module for a vehicle with a door handle, which is mounted to move in a support frame for the opening of a door or hatch by a user, the door handle having at least one rest position and one working position, a mechanical coupling unit, through which movement of the door handle from the rest position to the working position can be transferred to a lock, a crash lock, which prevents movement of the door handle and / or coupling unit during the action of an acceleration force, especially during an accident, so that activation of the lock is avoided.