48results about How to "Prevent or reduce damage" patented technology

The invention relates to a cell cryopreservation liquid and a cell cryopreservation method. The cell cryopreservation liquid comprises 90-95% of a whole cell culture liquid and 5-10% of dimethyl sulfoxide according to the volume percentage, wherein the whole cell culture liquid contains a cell culture medium and fetal calf serum with the volume ratio of 9:1. The whole cell culture liquid of the cell cryopreservation liquid provides essential nutrient substances for cellular life metabolism, and the dimethyl sulfoxide is used as an antifreezing agent; through reasonable proportion of the amounts of the cell culture medium and the fetal calf serum in the whole cell culture liquid and the amounts of the whole cell culture liquid and the antifreezing agent, the whole cell culture liquid with lower content of the fetal calf serum can provide the essential and enough nutrient substances for the cellular life metabolism; moreover, the appropriate amount of the antifreezing agent can prevent or reduce damage effects of frozen ice crystals on cells so as to improve the survival rate of the cells; and the cell cryopreservation liquid contains no serum easily causing pollution, thereby having lower pollution risk.

The invention provides preserving fluid of hepatic cells for a biological artificial liver and a preparation method thereof. The preserving fluid is a solution compounded by ultrapure water. The solution contains the following components within the concentration range: 15-25mmol/L of disodium hydrogen phosphate, 1-10mmol/L of sodium hydrogen phosphate dehydrate, 4-6mmol/L of potassium citrate monohydrate, 10-30mmol/L of sodium chloride, 5-10mmol/L of magnesium chloride hexahydrate, 3-10mmol/L of disodium adenosine triphosphate, 1-5mmol/L of reducing glutathione, 0.1-0.5mmol/L of alpha-lipoic acid, 100-150mmol/L of trehalose (C6H12O5), 200/0.510-50g/L of hydroxyethyl starch and 2-10mg/L of matrine. The preparation method of the preserving fluid comprises the following steps of: accurately weighing all components according to the concentration requirements of the components, wherein the alpha-lipoic acid is weighed in a dark place; completely dissolving the other components except the alpha-lipoic acid by using the right amount of ultrapure water; sufficiently dissolving the alpha-lipoic acid in the dark place; and adding the ultrapure water to full dose. The preserving fluid can well protect the cell activity of the hepatic cells for the biological artificial liver and the special functions of the hepatic cells at low temperature so as to satisfy the short-term low temperature preservation of a large-scale hepatic cell bank for the biological artificial liver and/or the hepatic cell protection in the long-distance transportation process.

A plasma generating device is disclosed, which generates plasma by supplying a bias RF power in the initial state in an inductive coupled plasma (ICP) system. Especially, an insulator which insulates a ground member from a susceptor supplied with the bias RF power is separated into at least two pieces such that the thermal expansion of the insulator can be generated similarly to adjoining parts.

The invention relates to a protective device combined by fabricated explosion-protection wall and turnover road needle, belonging to the structure engineering field. Two fabricated explosion-protection walls are combined with a turnover road needle respectively to form the protective device. Two explosion-protection walls all adopt double-layer steel face plate with internal reinforced rib. According to setting demand and weight sand and concrete are filled in it respectively. Two adjustable oblique braces are set at the back of each component. The turnover road needle has two statuses. When it is put up it is the road block to prevent vehicle impacting object directly and when it is put down it is the vehicle decelerating device. The combined device can prevent or decrease the damage effect to building structure by impact explosion of vehicle bomb. It can separate or block the protective object and the explosion source as far as possible. It can be set quickly and neatly according to different threat levels and important degree for object. It is suitable for building with design performance opened to the outside world and important building without conditions to preset protective establishment round.

A rotor unit includes a plurality of rotating bodies arranged along a central axis. Each of the plurality of rotating bodies includes an annular rotor core surrounding the central axis, a plurality of magnets arranged in the circumferential direction around the rotor core, and a holder arranged to hold the magnets. Further, the holder includes a plurality of partitioning portions each axially extending between respective ones of the plurality of magnets. The axial dimension of the plurality of partitioning portions is longer than the axial dimension of the respective ones of the plurality of magnets which are held by the plurality of partitioning portions. Further, the plurality of rotating bodies is disposed in a state where the circumferential positions of the plurality of magnets are out of alignment.

The invention provides a plasma processing device, a plasma processing method and storage media. In the plasma processing device using a plurality of high frequency power source to perform plasma process, when overlarge reflection waves are generated in at least one high frequency power source, output of the high frequency power source is stopped, meanwhile the output of the other high frequency power source is stopped instantly. The plurality of high frequency power sources respectively comprise: an oscillator, a communication part, an output stopping part for receiving stopping signals and stopping the output of the oscillator through the communication part, an output stopping part of at least one of the high frequency power source in the plurality of high frequency power sources monitors high frequency output from the high frequency power oscillator, the output of the oscillator is stopped in abnormity of high frequency, meanwhile, stopping signals are output to the communication part. In addition, in order to transmit the stopping signals from the monitor part to the other high frequency power source, the communication part of at least one high frequency power source and the communication part of the other high frequency power source are connected.

The present invention relates to a hydrogel containing coenzyme Q10 and a cataplasm prepared by the hydrogel. The coenzyme Q10 of the present invention is prepared into nanoparticles, solid lipid nanoparticles, flexible nano-liposomes, nano-microemulsion, nano-micelles and the like. Especially that the flexible coenzyme Q10 nano-liposomes are preferably adopted in the hydrogel of the present invention. The coenzymes Q10 with various forms are adopted to prepare the hydrogel, the cataplasm prepared by the hydrogel, and other external application preparations or apparatuses. In the prior art, the coenzyme Q10 in the common external application preparation containing the coenzyme Q10 is easily oxidized and decomposed, and is preserved difficultly. With the present invention, the problems in the prior art are effectively solved; the skin penetration performance of the coenzyme Q10 is substantially increased. The hydrogel and the cataplasm prepared by the hydrogel can be applicable for dermal topical application and nursing of the coenzyme Q10, or percutaneous systematic administration of the coenzyme Q10, specifically for preparation into cosmetics, health products, or drugs and the like. The present invention further relates to a use of the coenzyme Q10 nano-preparation in preparation of the coenzyme Q10 hydrogel preparation.

Disclosed are compositions that include Docynia delavajy extract, Elaeagnus lanceolatus extract, or a combination of such extracts.

The invention discloses a novel aluminum alloy car anti-collision beam which comprises a cross beam, a left energy absorption box and a right energy absorption box, wherein the left energy absorption box and the right energy absorption box are symmetrically arranged on the two sides of the cross beam. A tow hook nut is fixedly mounted on the cross beam at an adjacent position of the left energy absorption box or the right energy absorption box. One end of the tow hook nut penetrates through the cross beam, and the middle portion of the tow hook nut is fixed to the cross beam in a welded mode. The end, penetrating through the cross beam, of the tow hook nut is located in a hollow recess of the left energy absorption box or the right energy absorption box. The cross beam is of an arc structure made of aluminum alloy. The novel aluminum alloy car anti-collision beam is simple in structure, reasonable in design, capable of effectively preventing or mitigating damage to a car body and chassis parts by collisions, light in weight and beneficial to reduction of fuel consumption for a car; moreover, the novel aluminum alloy car anti-collision beam has diversified functions, thereby meeting the requirement for car towing on various operating conditions.

The invention discloses a cell preserving fluid for keeping cell activity and a preparation method and application of the cell preserving fluid, and relates to the technical field of cell preservation and transportation. The cell preserving fluid is prepared from the following components: 10 to 30 mmol/L of 4-(2-hydroxyethyl)piperazine ethanesulfonic acid, 2 to 5 mmol/L of magnesium salt, 80 to 100 mmol/L of propylene glycol alginate, 10 to 20 mmol/L of melitose, 2 to 5 mmol/L of disodium adenosine triphosphate, 1 to 3 mmol/L of reduced glutathione, 0.1 to 0.2 mmol/L of alpha-lipoic acid, 30 to 50 g/L of hydroxyethyl phosphate starch and 5 to 20 [mu]mol/L of traditional Chinese medicine extract. The cell preserving fluid provided by the invention can effectively maintain cell activity at 4 DEG C, and the components of the cell preserving fluid are safe and non-toxic to human bodies, so subsequent use of cells is facilitated; and the cell preserving fluid is suitable for preservation or transportation of cells and has a wide application prospect.

The invention relates to the technical field of hangover-alleviating beverages, in particular to a preparation method of a rhizoma polygonati hangover-alleviating beverage which comprises the following raw materials: rhizoma polygonati, milk, radix puerariae, honey, lucid ganoderma and poria cocos. The rhizoma polygonati hangover-alleviating beverage is characterized by being prepared from the following raw materials in percentage by weight according to the following process steps: S1, taking 35% of rhizoma polygonati, 35% of milk, 10% of radix puerariae, 10% of honey, 5% of lucid ganoderma and 5% of poria cocos; S2, separately boiling the rhizoma polygonati, the radix puerariae, the lucid ganoderma and the poria cocos to prepare a stock solution; and S3, mixing the rhizoma polygonati, the radix puerariae, the lucid ganoderma and the poria cocos which are boiled into the stock solution with milk and honey to prepare the rhizoma polygonati hangover-alleviating beverage. The rhizoma polygonati, the radix puerariae, the lucid ganoderma and the poria cocos are mixed with the milk and the honey to prepare the rhizoma polygonati hangover-alleviating beverage, so that the rhizoma polygonati hangover-alleviating beverage can be more conveniently drunk before or after drinking, the protection on a human body is effectively improved, and the hangover-alleviating effect is improved.

The invention provides a method reducing the damage to a substrate surface in ONO etching. The method comprises following steps; the first step, of depositing on a substrate successively a first oxide layer, a nitride layer and a second oxide layer to form an ONO structure on the substrate; the second step, of processing the ONO structure by the method of lithography and dry etching to expose the substrate surface; the third step, perform thermal oxidation treatment on the semiconductor structure after the second step to form a thermal oxidation layer on the surface of the semiconductor structure; the fourth step, of removing the thermal oxidation layer by a wet etching process.

The invention provides a terminal collision prevention method, terminal and computer readable storage medium. The method includes detecting a to-be-contacted hitting face of the terminal when detecting that the terminal is in a falling state; detecting an included angle between the terminal plane and the hitting face; judging whether the terminal plane is not parallel to the hitting face or not according to the included angle; if the terminal plane is not parallel to the hitting face, controlling a target deformation area on the terminal to bend based on the included angle so as to enable thebent target deformation area to be parallel to the hitting face, wherein the target deformation area is an area contacting the hitting face after the terminal drops. By adopting the above scheme, theterminal is controlled to bend when falling so as to form an area parallel to the hitting face on the terminal and face contact occurs between the area and the hitting face, so that no transformationof protection parts of the terminal is required, the stress area of the terminal in hitting is enlarged, the collision prevention performance of the terminal is enhanced and user experience is improved.

A cryo-ablation systems with a probe body (P) having a treatment head (TH) with a tip portion (TP) for contacting tissue at a region of contact and configured for imparting a temperature change to thetissue at said region of contact. A plurality of electrodes (Ej) are arranged spaced apart from said tip portion and around said tip portion, configured to measure an electrical property of the tissue in a neighborhood around said region of contact. Adhesion management means are also envisaged.

The invention discloses a manufacturing method of an aluminum alloy casting and an automobile anti-collision beam applying the aluminum alloy casting. The manufacturing method comprises the followingsteps of S1, preparing special-shaped closed-cell foamed aluminum, specifically, tackifying and stirring an aluminum melt, adding a foaming agent and stirring, injecting a foam body into a foam investment, preserving heat and foaming, and cooling the foam body to obtain the special-shaped closed-cell foamed aluminum; S2, pretreatment of the special-shaped closed-cell foamed aluminum, specifically,soaking the special-shaped closed-cell foamed aluminum with a NaOH solution, washing with clear water, drying and heating; S3, preparing an aluminum alloy melt; S4, treatment of a casting mold, specifically, heating the casting mold, removing dust, uniformly spraying a coating on the inner surface of the mold, heating and preserving heat; and S5, casting forming, specifically, putting the special-shaped closed-cell foamed aluminum obtained after the step S2 is completed into a preheated casting mold, mold assembly in place, setting preset casting technological parameters, casting, and finallyobtaining a needed casting.

The invention discloses a spacer paper recovery device and method. The spacer paper recovery device comprises: a supporting piece; a first bearing plate and a second bearing plate, which are arranged on the two sides of the supporting piece correspondingly, and are hinged to the upper portion of the supporting piece correspondingly; the first bearing plate and the second bearing plate can rotate relative to the supporting piece at the same time to be switched between the vertical state and the horizontal state, and the first bearing plate and the second bearing plate in the horizontal state are located on the same horizontal plane above the supporting piece. The device can effectively recycle the spacer paper.