101results about How to "No signs of aging" patented technology

The invention relates to a highly dense alkali-activated coating material which is used for repairing and protecting underground spaces and outer spaces of buildings, particularly surface repairing and protection of exterior walls, basements, water conservancy projects, tunnels, bridges, roads, yards and water pools, and belongs to the field of building materials. The highly dense alkali-activated coating material specifically comprises the following components in parts by weight: 2-80 parts of an alkali-activator, 20-120 parts of a gelatinized base material, 2-250 parts of sheet aggregates, 0-20 parts of a water repellent, 0-20 parts of a colorant, 0-80 pars of an expanding agent, 0-200 parts of filler and 0-50 parts of auxiliaries.

The invention discloses a dimming device and a light adjusting method thereof. The space between opposite adjusting areas formed by substrates is filled with body liquid crystals and salt capable of ionizing ions. The body liquid crystals are arrayed in a specific oriented mode under the induction of an orientation layer in a powered-off state, reorientation of the body liquid crystals is generated in a powered-on state, ions ionized by the salt capable of ionizing ions rapidly move under the effect of a formed electric field to disorder the specific orientated arraying of the body liquid crystals, molecules of the body liquid crystals irregularly move when the ionized ions rapidly move, incident light of a visible light waveband is scattered, the transmission and scattering of visible light are adjusted, and the light is adjusted. A liquid crystal device does not contain polymer networks, no reactive monomers need to be used, the polymerization process is not needed, the polymer ageing phenomenon does not exist, production cost is reduced, and the service life of the dimming device is prolonged.

The invention provides a method for cultivating table grapes in high-cold and high-latitude area in winter. The method comprises the following steps of building a garden, using a high-cold and high-latitude efficient energy-saving solar greenhouse to build the garden, planting and managing grapes, leaving grapes on vines to keep fresh, watering once when the grapes are grown, laying mulch films every other days, controlling the temperature in the greenhouse by controlling time for closing an air inlet, releasing a curtain and rolling up the curtain. When the external temperature decreases below 5 DEG C, thermal insulation is carried out to control the indoor temperature at 10 DEG C. When the external temperature decreases below -10 DEG C, the indoor temperature is controlled at 8 DEG C in day time and at 2 DEG C at night until the grapes are harvested to be sold. The grapes cultivated in the method can be harvested to be directly supplied to fruit markets, the step of storing and refreshing the grapes through chemical agents is removed, the problems of dry peduncles, grape falling, browning, rotting and the like are solved, refreshment of the grapes are achieved to the maximum degree, and meanwhile chemical agent residue is reduced. Furthermore, when the grapes are on grape vines, the sugar content of the grapes gradually increases, and the fruit quality is improved.

The invention relates to an ageing-resistant corrosion-resistant ultra-clean workbench coating. The coating consists of the following components in parts by weight: 31-34 parts of terephthalate epoxy resin, 13-16 parts of ethylhexyl acrylate, 7-12 parts of potassium fluosilicate, 9-12 parts of dicaprylyl carbonate, 4-7 parts of trithiocarbonate, 13-14 parts of szaibelyite powder and 6-11 parts of octyl stearate. The prepared ultra-clean workbench coating can be applied to an ultra-clean workbench and has the advantages of ageing resistance and corrosion resistance.

The invention discloses an adipose derived stem cell (ADSC) large-scale culture method. The method selects a non-enzymatic digestion method (TrypLE) to collect adipose derived stem cells adhering to walls, adopts a minimum TrypLE dosage to maximumly reduce the damage of the cell digestion process to cells, and selects the optimum inoculation density of 1.3*10<4>/cm<2> to culture cells, uses a serum-free medium (UltraCULTURE MEDIUM), and adds appropriate concentration EGF into the medium so as to conduct large-scale culture in a phi 15cm culture dish. Thus, the passage number of ADSC is increased to over 15 and the original dryness can still be maintained, thereby greatly satisfying the requirement of mesenchymal stem cells for scientific research and application.

The invention provides an immortalized dairy cow rumen endothelial cell line and a construction method thereof. The construction method comprises the following steps: (a) cutting, washing, and digesting collected dairy cow rumen endothelial tissues in a culture medium, and carrying out primary culture to obtain rumen endothelial cells; step (b) incubating rumen endothelial cells obtained in the step (a) with a viral liquid containing an SV40T antigen gene to obtain infected rumen endothelial cells; and step (c) culturing the infected rumen endothelial cells obtained in the step (b) to obtain the immortalized dairy cow rumen endothelial cell line. The provided immortalized dairy cow rumen endothelial cell line can provide a test cell model for the research on physiological regulation and nutrient absorption mechanism of dairy cow rumen. The culture method is simple, the growth speed is quick, and the construction method can obtain BRECs, which have physiological functions and can carryout continuous passage.

The invention discloses automotive color-changing glass. The automotive color-changing glass is prepared by adding a compound of silver and halogen and trace copper oxide into a common glass raw material, wherein the copper oxide is a catalyst. The principle of the color-changing glass mainly depends on a special chemical reaction between the compound of the silver and the halogen as well and the trance copper oxide and ultraviolet rays. When the color-changing glass is exposed in the ultraviolet rays of sunshine, silver halide in the color-changing glass decomposes to produce the silver and the halogen and absorbs part of the visible light, so that the glass looks dim, namely the color darkens. When the color-changing glass leaves the radiation of the ultraviolet rays, corresponding chemical inverse change happens and molecules are recovered to original structure rapidly, so the glass changes light until colorless and transparent.

The invention relates to a novel long-acting sustained-release preparation and a preparation method thereof, in particular to a matrix sustained-release tablet with a controlled retardant layer and a preparation method thereof. The invention enables the matrix sustained-release tablet to be changed from the traditional single-layer tablet core structure to a double-layer structure including a drug containing layer and the controlled retardant layer by adding the controlled retardant layer to the structure of the traditional matrix sustained-release tablet, can also control the time of the retardant layer playing a retardant role by controlling the dissolving or corroding time of the retardant layer through predesign, very efficiently control the drug release and reduce the burst release and the late residuals, thereby obtaining excellent release effect.

The invention belongs to the field of photoelectric imaging, and relates to a solar-blind ultraviolet imaging device, in particular to the preparation of a quantum dots spectral converter, wherein the solar-blind ultraviolet imaging device has high resolution and is convenient to carry. The invention discloses a photonic crystal filtering and quantum dots spectral conversion-based solar-blind ultraviolet imaging device, which comprises an ultraviolet imaging lens, the quantum dots spectrum converter, a CMOS (complementary metal oxide semiconductor) arranged close to the quantum dots spectrum converter, an image acquisition unit, a digital signal processor and a display, wherein the quantum dots spectrum converter comprises one-dimensional photonic crystal front filters which are arrayed in order, single-layer quantum dot layers which are arrayed in order and have the same size, and one-dimensional photonic crystal back filters. The solar-blind ultraviolet imaging lens, disclosed by the invention, has high resolution, is convenient to carry, and can work at the view angle of 0-30 degrees within the temperature range of 25-50 DGE C.

The invention discloses a voice control switch. Voice signals are acquired by an acoustic transmission system; a voice signal required by a user is recorded as an opening command or a closing command by a voice control chip; the voice control chip carries out analysis processing on voice generated in the subsequent application of the user and judges whether the voice is the same as the recorded voice command so as to execute the corresponding response work of switching on a power supply, switching off the power supply or maintaining the on-off state of the power supply; therefore, the conventional mechanical or electrical switch is replaced with the voice control switch to control the on-off of the power supply. Compared with the conventional mechanical or electrical switch, the voice control switch does not have the phenomena of mechanical wear and rapid ageing in the using process, has long service life and is safer. The on-off of the power supply is controlled by the voice and the voice has transmission performance in the air, so the user does not need to go to the switching position to execute the switching operation. The voice control switch is more convenient to use.

The invention relates to a method for separating and culturing endothelial clone formative cell, and concretely relates to the method for separating to obtain endothelial clone formative cell from umbilical cord. The method comprises the following steps: 1) digesting umbilical veins endangium by digestive enzyme; 2) flushing digested umbilical veins, collecting a flushing liquor; and 3) taking the flushing liquor for cell culture to obtain the endothelial clone formative cell. The cellular morphology, cell cycle, immunization phenotype, tube formation capability and phagocytosis capability of the separated umbilical cord source endothelial clone formative cell accord with the biological characteristics of endothelial progenitor cells, the umbilical cord can be taken as a new source of the endothelial progenitor cells, and the method provided by the invention provides the guarantee for experiment research and clinical application.

The invention relates to a non-addictive pure grain health black ice cream and a production method thereof, and belongs to the field of food processing. The production method comprises the following steps: cleaning, washing, softening, and anti-aging black rice, millet and pearl barley; then, mixing, sterilizing, homogenizing, maturing and freezing the black rice, the millet and the pearl barley to prepare the cool and moist black ice cream which is uniform in texture and state, smooth and fine in taste, and good in the effect of relieving summer-heat. According to the black ice cream, the applied range of grain and cereal is broadened; any thickening agent, stabilizing agent, essence, pigment, and other additives are not added during the production process, so that natural nutritional components in raw materials are reserved, and the black ice cream has a special flavor of the black rice, the millet and the pearl barley, and a health function; the production process is environment friendly, that is, no waste residue, waste steam and harmful substance are generated; moreover, no chemical addictive is added into the black cream, so that the product can be eaten safely.

The invention provides an output over-current and short-circuit protection circuit, which comprises a driving circuit, an MOS transistor and a protection circuit, and is characterized in that the protection circuit comprises a first triode and a sampling resistor, the driving circuit is connected with a grid electrode of the MOS transistor, a drain electrode of the MOS transistor is connected with a load, a source electrode of the MOS transistor is used for being connected to a power supply, the driving circuit is used for being connected to an IO interface of a controller, an emitting electrode of the first triode is connected with the source electrode of the MOS transistor, a base electrode of the first triode, the sampling resistor and the drain electrode of the MOS transistor are sequentially connected, and a collecting electrode of the first triode is connected with the driving circuit. The MOS transistor is adopted to act as an electronic switch, the triode and the sampling resistor form the protection circuit, and the source electrode and the drain electrode of the MOS transistor are directly connected with the protection circuit in parallel. The output over-current and short-circuit protection circuit has the advantages of low cost, high response speed, high reliability and low power consumption. The invention further relates to electronic equipment, which comprises a load and the output over-current and short-circuit protection circuit, wherein the load is connected with the output over-current and short-circuit protection circuit.

The invention relates to the technical field of glutinous rice cake-like foods, and mainly relates to corn glutinous rice cake and a preparation method thereof. The corn glutinous rice cake is prepared from natural and environment-friendly coarse cereal corn as a raw material through threshing, grinding, steam, vacuum packaging, sterilizing and other steps. The prepared corn glutinous rice cake has a smooth and bright appearance and sweet and non-greasy taste, has the expiration date of one year, and opens a brand new development direction to glutinous rice cake-like foods.

The invention discloses a food contact resealing label material which comprises a thin film matrix, an acrylic acid pressure-sensitive binding agent and a silicon oil base paper/film. The oxygen permeability of the thin film matrix is lower than 2.0*10<-5>m<3>/m<2>*d*Pa, and the moisture penetrability of the thin film matrix is lower than 2.0*10<-4>kg (s*m<2>); the acrylic acid pressure-sensitivebinding agent is arranged on the lower surface of the thin film matrix, and the residue of the solvent is 5mg/m<2>-RL values; the total transfer volume of acrylic acid is 6mg/kg-RL values; the siliconoil base paper/film is arranged on the lower surface of the acrylic acid pressure-sensitive binding agent. The invention further discloses a preparation method of the food contact resealing label material, a food contact resealing label prepared from the food contact resealing label material and an application of the food contact material to food package. The oxygen permeability, the moisture permeability, the solvent residue, the total transfer volume of acrylic acid and isocyanate residue of the food contact resealing label material can meet the demand of food contact and food contact package.

The invention relates to the field of petroleum drilling, well completion and cementing equipment, in particular to a metal rubber bearing and sealing-based expandable liner hanger joint. The joint comprises a bushing, a variable diameter liner, sealing elements and an expansion cone, wherein the sealing elements sleeve the outer wall of the upper section of the variable diameter liner in an equal spacing manner; the part, which is provided with the sealing elements, of the variable diameter liner sleeves in the bushing; the expansion cone is arranged on the variable diameter liner; the basic conception of the joint is that metal rubber cylinders are adopted as the sealing elements, the metal rubber cylinders closely sleeve the outer wall of the variable diameter liner, rough surfaces which are subjected to roughness machining are adopted as the outer wall surface of the variable diameter liner of a matching section for the metal rubber cylinders to sleeve and the inner wall of the bushing on the matching sections of the metal rubber cylinders. The metal rubber cylinders are adopted as the sealing elements; the mounting surfaces of matching parts are roughened to realize structural stability, high sealing property, extremely high oil resistance and acid resistance and anti-aging property, prolong the service life of the expandable liner hanger joint, improve the working efficiency and reduce the operation cost.

The invention discloses an organic conducting coating and a preparation method thereof, wherein the organic conducting coating consists of the following components in parts by weight: 55-70 parts of aluminum powder, 8-20 parts of silicon dioxide, 6-18 parts of lead oxide, 1-5 parts of boric oxide, 1-4 parts of bismuth oxide, 0.1-0.4 part of lithium oxide and 1.3-1.5 parts of thallium oxide. The coating prepared by the method disclosed by the invention has the advantages of high yield, good conductivity and long service life.

The invention relates to a Black Locust particle/polyvinyl formal composite filler and a preparation method thereof, and belongs to the environmental engineering material field. The composite filler is obtained through compounding polyvinyl formal (PVFM) foam tissues as a matrix with a disperse phase; and the disperse phase comprises Black Locust particles having particle sizes of 60-120 meshes, and the Black Locust particles are obtained through peeling natural Black Locust particle branches, boiling in an alkali, and crushing. The preparation method of the composite filler comprises the following steps: dissolving polyvinyl alcohol in water, adding a surfactant and the Black Locust particles at 40-80DEG C, uniformly stirring, adding an acid for adjusting the pH value to 1-3, adding formaldehyde or paraformaldehyde, and carrying out high speed stirring while reacting for foaming the obtained system until the volume is not expanded; and dumping the obtained system to a foam die, and carrying out heat insulation curing at 50-65DEG C for 10-24h. The composite filler provided by the invention has the advantages of high biocompatibility, superior film hanging performance, and maintenance of many excellent characteristics of the PVFM, such as low density, high specific surface area, high poriness, good elasticity, wear resistance, corrosion resistance and the like.

The invention discloses a 66-500kV crosslinked cable short-degassing online treatment process. A process flow comprises conductor preparing; three-layer co-extruding and insulating and online degassing; and degassing in a drying room, wherein the step of three-layer co-extruding and insulating and online degassing specifically comprises three-layer co-extruding of a conductor shielding layer, an insulating layer and an insulating shielding layer; crosslinking; cooling; secondary heating; and cooling; the secondary heating is carried out under protection of nitrogen atmosphere, the nitrogen concentration of the nitrogen atmosphere is controlled over 98%, the nitrogen temperature is controlled at 220+/-5 DEG C, and the conductor temperature is controlled at 90 DEG C. According to the 66-500kV crosslinked cable short-degassing online treatment process disclosed by the invention, the insulating layer is not aged during degassing, the degassing rate is high, the byproduct removal effect is good, the degassing time of the drying room can be greatly shortened, the production period is shortened, and energy is saved and emission is reduced.

The invention relates to an anti-dazzle glass curtain wall, which comprises anti-dazzle glass, a steel strip, a display screen, a lining plate and a screen frame, wherein the screen frame is a metal rectangular framework; a clamp groove is formed in the screen frame; the lining plate is fixed in the clamp groove of the screen frame; the display screen and the anti-dazzle glass are sequentially fixed in front of the lining plate through the screen frame; the display screen and the anti-dazzle glass are firmly bonded with the screen frame through the steel strip; the display screen comprises a black screen and a white screen; the white screen is positioned behind the black screen; the white screen and the black screen are fixed in a manner that the grains of the white screens face the forward direction and the grains of the black screens face the backward direction; and the horizontal view angle of the anti-dazzle glass is greater than 160 degrees. The anti-dazzle glass curtain wall has the advantages that the structural design is reasonable; the performance is stable; the anti-dazzle glass is used; the visible angle is great; the uniformity is high; an aging phenomenon is avoided; no surface reflection occurs; the flatness degree is high; the film pasting is not needed; and the cleaning is convenient.

The invention relates to an electrothermal coating. The electrothermal coating is prepared from a Ti-Mn-Fe mixed substrate, an inducting semi-conducting medium, a flame retardant and an adhesive. The electrothermal coating is a beige viscose coating in appearance, is non-toxic and odorless; the coating layer emits heat continuously through inductive heating of electrodes at two ends, is not electrically conductive, convenient to use, safe, reliable and durable, is prevented from aging after a 48-h high-temperature test, is long in service life, cannot cause power supply short circuit, is low in power consumption, cannot produce dry and stuff feelings, is an ideal product for replacing other electric heaters, is generally applicable to industries such as home heating, incubation, edible fungus production places, crab culture and the like and is also applicable to the fields of electric heating murals, electric heating hotpot, electric blankets, electric heating pots and the like.

The invention discloses a push-pull type circular electric connector capable of preventing shedding. The push-pull type circular electric connector comprises a vertical plug body, a mounting ring, anda fixed socket. One side of the vertical plug body and a plug sleeve are connected mutually; the mounting ring is arranged at the outer side of the plug sleeve; and the fixed socket is arranged at the right of the vertical plug body. An outer socket cylinder is fixed at the left of the fixed socket; a second anti-skid strip is installed at the outer surface of the outer socket cylinder; an innersocket cylinder is arranged at the inner side of the outer socket cylinder; a fixed slot is formed in the inner surface of the outer socket cylinder; and a clamping plate is arranged at the inner sideof the fixed slot and is installed at the socket sleeve. Besides, a pin is arranged at the inner side of the socket sleeve; and an operation strip is arranged at the surface of the mounting ring. According to the push-pull type circular electric connector, aging at the connection part of the connector after long-term usage is avoided; shedding of the plug and the socket is prevented; and the repeated plugging process becomes convenient.

The invention discloses a vibration isolation assembly based on a high-frequency high-damping vibration isolation disc-shaped gasket. The vibration isolation assembly comprises a bolt and a nut, and further comprises two damping alloy discs, a flat gasket, an upper simulation assembly and a lower simulation assembly which are arranged on the bolt in a sleeving mode, the two damping alloy discs areinstalled between the upper simulation assembly and the lower simulation assembly, the flat gasket is installed between the two damping alloy discs, the nut is screwed on the bolt from the outermostside, each damping alloy disc comprises an inner edge and an outer edge, the inner edges protrude in the axial direction relative to the outer edges, so that the whole damping alloy discs are in a circular truncated cone shape, a plurality of tooth protrusions are arranged on the inner edges in the circumferential direction, and the tooth protrusions of the two damping alloy discs are symmetrically arranged. According to the vibration isolation assembly, a transmission vibration isolation structure can be replaced, non-specific external high-frequency vibration is restrained and isolated, thecost is reduced, the space occupation requirement is reduced, the light weight degree of a vehicle is improved, and the control comfort is improved.

The invention discloses a yak meat rapid freezing device and process. The device comprises a cooling chamber, a partition plate is welded in the cooling chamber, conveying rollers are arranged on thetwo sides of the cooling chamber, the conveying rollers are provided with a conveying belt in a matched mode, a low-temperature drying device is arranged on the left side of the partition plate, a liquid nitrogen conveying device is fixedly connected to the top wall of the cooling chamber, the liquid nitrogen conveying device is fixedly connected with a conveying pipe, one end of the conveying pipe is fixedly connected with the liquid nitrogen conveying device, the other end of the conveying pipe extends into the cooling chamber, the part, located on the upper wall of the conveying belt, of the conveying pipe is provided with a plurality of spraying heads, and a driving motor is welded to the side, away from the liquid nitrogen conveying device, of the partition plate through a support. According to the yak meat rapid freezing device and process, the advantages that yak meat can be dried before freezing, residual water on the surface is removed, and the situation that the frozen yak meat is frozen on the conveying belt and cannot be taken down due to the residual water on the surface is prevented; and meanwhile, the yak meat to be frozen can be pre-frozen, so that the freezing timeis shortened, and a better freezing effect is achieved.