163results about How to "Reduce aging" patented technology

The invention belongs to the technical field of building materials, and particularly relates to a polymer modified asphalt rubber material and a preparation method thereof as well as a waterproof coiled material. Aiming to solve the technical problems of poorer high temperature performance, low temperature performance and anti-aging performance of an existing modified asphalt rubber material, the polymer modified asphalt rubber material and the preparation method thereof are provided. A raw material formula the rubber material comprises petroleum asphalt, a polymer modifying agent, softening oil, a tackifier, tyre rubber powder, an organic additive and an inorganic nano-material. Meanwhile, the invention also discloses the preparation method of the polymer modified asphalt rubber material. The polymer modified asphalt rubber material provided by the invention has better high temperature performance and low temperature performance; moreover, according to the waterproof coiled material containing the polymer modified asphalt rubber material, the aging resistant performance is enhanced, and the service life of the waterproof coiled material is prolonged.

This invention relates to new isolation generatrix with n pieces of metal electric capacitor screen between isolation layers to make isolation layer lever composed of zero screen, metal capacitor screen, earth screen from high to low and to make each isolation layer with evening voltage protection. The zero screens, n pieces of metal capacitor screens and earth screen take shape of ladder to make the electric lines distributed evenly between metal capacitor screen and earth screen. The generatrix end can avoid over focusing of electric lines free of early aged.

The present invention discloses self-loop optical receiving/transmitting module, a test device and a method. Wherein, the module comprises an electrical interface for the optical receiving/ transmitting module in compliance with requirements for multi-source stipulations on small-sized packaging and hot plug. A differential signal input terminal of the electrical interface is correspondingly connected with a differential signal output terminal of the electrical interface through a series capacitance. A resistance is connected between two differential signal output terminals of the electrical interface. The self-loop optical receiving/transmitting module disclosed by the present invention can replace an actual XFP optical module of normal functions, realizes internal loop of communications in the optical module and is mounted in an optical interface board of equipment and suitable for extensive application to equipment test and aging, thus reducing optical module aging to some extent and avoiding reduced service life and increased failure rate of the optical module due to aging.

A method of producing modified asphalt is characterized in that in a temperature range of from room temperature to 100 DEG C, organic solvent and/or mixed solvent oil capable of dispersing or dissolving coal liquefied heavy products and matrix asphalt are used for mixing the coal liquefied heavy products with the matrix asphalt prior to separation and recycling of the solvent so as to obtain the modified asphalt, wherein the coal liquefied heavy products added account for 5-50% of total percentage of the modified asphalt. The method has the advantage that the production temperature is low, and the modified asphalt has good performances.

An organic light emitting diode (OLED) display and an operating method thereof are provided. The organic light emitting diode display includes an organic light emitting diode display panel and a driving circuit. The organic light emitting diode display panel has a plurality of pixels. The driving circuit is coupled to the organic light emitting display panel and receives a primitive display frame. The driving circuit generates a first frame and a second frame corresponding to the primitive display frame by a polarity inverting means, and outputs a zero gray-level pixel voltage to the corresponding pixels of the organic light emitting diode display panel corresponding to a negative polarity data of the first frame and the second frame, wherein the second frame is adjacent to the first frame.

The invention discloses an ultraviolet-cured rotary silk-screen printing ink with LED as a light source. The ultraviolet-cured rotary silk-screen printing ink comprises, by weight, 5 to 30 parts of pigment, 40 to 60 parts of radiation-cured resin, 1 to 15 parts of a photoinitiator, 5 to 20 parts of an active diluent, 0 to 10 parts of a solvent and 3 to 8 parts of an auxiliary agent. Electric energy consumed in curing of a silk-screen printing ink composition provided by the invention is about 1/4 of electric energy consumed by a common ultraviolet lamp; emission of CO2 is substantially reduced; and ozone is not generated. The silk-screen printing ink composition provided by the invention has viscosity of 50 to 350 mpa.s, overcomes problems in drying of a thick ink layer under irradiation of a low-power ultraviolet lamp and realizes instant drying under the rotary silk-screen printing condition of a high speed of 40 to 200 m/min; moreover, bonding between an ink film and a substrate is firm, and after curing, , each performance index (adhesion, friction resistance, chemical resistance and the like) of the printing ink accords with requirements on printing of securities.

The invention provides a permanent magnetic controller, which comprises a trip and a closing coils and a position detecting circuit and a driving control circuit thereof, and a single chip microcomputer and a keyboard thereof; wherein, the detecting circuit adopts a hall current sensor, and is used for collecting current waveform signals of the trip and closing coils, transforming the current waveform signals to voltage signals through a conditioning circuit, and transmitting the voltage signals to the single chip microcomputer; the keyboard is used for inputting tripping and closing instructions; and the single chip microcomputer analyzes and compares the current waveform detection signals with a reference current waveform, and outputs tripping and closing driving signals through the driving control circuit respectively to the trip and the closing coils. The permanent magnetic controller has the advantages that as the closing and trip coil current waveform intercomparison technology is adopted, the reliability of movements of a circuit breaker is improved; furthermore, as heights of waveforms on the trip and the closing coils cannot reach saturation, the aging degree of the coils is reduced, and the service life of a permanent magnetic coil is prolonged.

The invention discloses a state indicator with a gap line surge arrester, relating to the lightning-proof protection device. The invention has a structure which is as follows: an energy taking part (1) is connected in series on an earth wire of the arrester, a low-current counting circuit (2) and a high-current counting circuit (3) as well as an alarm indicating circuit (4) are respectively connected with corresponding terminals of the energy taking part (1) to obtain energy; the high-current counting circuit (3) is connected with the alarm indicating circuit (4) and provides a switch control signal for the alarm indicating circuit (4); the alarm indicating circuit (4) is connected with an alarm indicating mechanism (5) and controls the alarm indicating mechanism (5) to operate; a clear mechanism (6) of a counter is connected with the high-current counting circuit (3) to realize the zero clearing. The state indicator is an inactive component and has practicability and economical efficiency as well as long service life and strong visibility, and is suitable for the on-line monitoring of the MOX arrester with a gap line with a voltage of 35 or more than 35 kV.

The invention provides a method for preserving and transporting stem cells under an ambient temperature condition, and an energy substrate used for maintaining the survival rate and biological activity of the stem cells. According to the method, stem cells are agglomerated under a three-dimensional suspension condition in virtue of the characteristics of the stem cells, so the propagation and metabolism rates of the stem cells naturally decrease, and the survival rate and biological activity of the stem cells can be maintained in a period of as long as 7 to 10 d under the ambient temperature condition. The method is simple, reliable, stable, highly efficient, low in cost and high in security; the method allows stem cells to be prepared, stored, transported and used in large quantities under the ambient temperature condition; the biological functions of tissue regeneration, immunoloregulation and the like of stem cells can be given to play without any temperature maintenance equipment or screening and purifying steps; and the method can directly meet application demands of biological and medical research on stem cells, cell therapy of immune diseases, etc.

The invention discloses an anti-aging compound rubber sealing strip. The anti-aging compound rubber sealing strip is prepared from, by weight, 50-200 parts of ethylene propylene rubber, 10-70 parts of fast extruding furnace black, 1-15 parts of indirect zinc oxide, 1-10 parts of antiager, 1-15 parts of paraffin oil, 1-10 parts of lubricant, 1-10 parts of vulcanizing agent and 1-8 parts of accelerant. The accelerant is triallyl isocyanurate and/or trifunctional acrylic ester. The invention further discloses a preparation method of the anti-aging compound rubber sealing strip. The anti-aging compound rubber sealing strip has the advantages of being long in service life, resistant to aging and pressure changes and stable in hardness, and the preparation method is simple and easy to operate.

The invention provides a novel ammonia gas sensor based on a reduced graphene oxide-tungsten disulfide composite and a preparation technology thereof and belongs to the technical field of sensors. The novel ammonia gas sensor comprises a gas-sensitive composite and a sensor substrate, wherein the gas-sensitive composite is a nano material obtained through one-step hydrothermal synthesis, the gas-sensitive composite is uniformly coated on a gold interdigitated electrode on the sensor substrate, transient heating temperature of a heating plate on the back of the sensor substrate is 140 DEG C, and heating recovery time is linearly varied along with concentration of detected gas. The reduced graphene oxide-tungsten disulfide composite disclosed by the invention shows good response performance on ammonia gas in a room temperature environment and has good selectivity, stability and repeatability. In a recovery stage of the gas sensor provided by the invention, transient heating is used, time required for reduction is effectively shortened without influencing performance of a gas-sensitive material, and concrete transient heating time can be set according to the gas concentration obtained through detection.

The invention discloses a solar municipal LED streetlamp device. The solar municipal LED streetlamp device comprises a lamp post, a fixed frame as well as control boxes which are symmetrically mounted at the two sides of the fixed frame left and right, and an LED streetlamp, wherein a slide inner cavity with an opening facing towards the upper end is arranged in the fixed framework; a lifting frame can be mounted on the slide inner cavity in a up-down sliding mode; the left end and the right end of the lifting frame are equipped with longitudinal racks; mounting slots with opening facing towards the slide inner cavity are symmetrically formed in the left end wall and the right end wall of the slide inner cavity; the upper ends of the mounting slots can be rotatably equipped with upper rotary gears; upper chain wheels are fixedly mounted on the upper rotary gears; the lower ends of the mounting slots can be rotatably equipped with lower rotary gears; outer gear rings of the lower rotary gears extend into the slide inner cavity, and are engaged with the longitudinal racks; lower chain wheels are fixedly mounted on the lower rotary gears;a transmission chains are mounted on the upper chain wheels and the lower chain wheels; a slide slot is formed in the upper end of each control box; a shielding plate is mounted in each slide slot in a sliding mode; the inside end of each shielding plate inwards extends into the slide inner cavity; and the lower end of each shielding plate is equipped with an upper rack.

The invention provides mixing pulp with a large tearing index, and the weight of the high strength straw pulp is 15-95 percent of that of the mixing pulp; the paper made of the mixing pulp, including the cultural paper, also improves a cultural paper containing non-bleached straw pulp and other pulp. Because the mixing pulp is added with the non-bleached straw pulp, the amount of wood pulp and the like is reduced, thus avoiding the environmental pollution caused by bleacher during the bleaching process in technology, and avoiding generating substance harmful to the human body; and the paper product made by the method of copying hardly contains the substance harmful to the human body, thus lowering the cost of the paper production, lowering the tearing index of the paper, and lowering the aging degree of whiteness, and the paper does not return to be yellow easily.

The invention discloses a mesenchymal stem cell culture medium. The researches show that excessive in-vitro long-term subculture can cause aging of stem cells and reduction of multidirectional differentiation capacity, and the treatment effect on diseases is greatly reduced. The pullulan can reduce the aging degree of the human amniotic mesenchymal stem cells, but does not obviously influence thestem cell characteristics of the human amniotic mesenchymal stem cells and does not influence the multidirectional differentiation capacity of the human amniotic mesenchymal stem cells. Therefore, pullulan with effective concentration can be added into a human amniotic mesenchymal stem cell culture medium to prepare the culture medium for resisting aging of the human amniotic mesenchymal stem cells.

The invention discloses a thick-layer spreading cold mixing large gap emulsified asphalt mixture and a design method thereof, and belongs to the technical field of a modern pavement. Based on a mineral aggregate main aggregate void volume filling method, use amount of mineral powders, thick and fine aggregates and mineral powders is calculated, optimal liquid use amount is preliminarily determined through wrapping and covering tests and mixing tests, and optimal asphalt amount, optimal emulsified asphalt, and optimal adding water mixing amount are finally determined through a Marshall test. The target void content of the emulsified asphalt mixture is 7%-30%. Through the design method, the emulsified asphalt mixture used for a matrix layer of a semi-flexible pavement, and each layer of a drainage pavement and a porous pavement can be manufactured. The cold mixing emulsified asphalt mixture and a large gap pavement are combined, and a paving effect of a hot mixing asphalt pavement can be achieved. The emulsified asphalt mixture is energy saving and environmentally friendly, and aging degree of the emulsified asphalt mixture in a construction is reduced.

The present invention relates to technology for supertex protein prepared from ethanol leached soy protein concentrate, and belongs to the field of texturized protein and a processing technology thereof. The technology comprises the following steps: modulating the ethanol leached soy protein concentrate with water, conducting ultrasonic pretreatment on the ethanol leached soy protein concentrate solution, mixing and stirring the ethanol leached soy protein concentrate solution with other adjuvant materials containing wheat gluten, starch, konjac flour, lecithin, sodium bicarbonate and common salt, swelling and extruding the mixture by using a co-parallel twin screw swelling extruder, and obtaining the texturized supertex protein by cutting, drying, cooling, packaging extruded products from the extruder. The supertex protein is pure white in color, obvious in filamentous tissue, good in fiber toughness, pulling force and elasticity, and mainly solve the problem that ethanol leached soy protein concentrate is not suitable for preparing texturized protein. Meanwhile, by adding proper amount of the wheat protein, composition and collocation of essential amino acids of the protein become more reasonable and more accordant with the needs of human nutrition intake.

The invention relates to the field of asphalt thermal recycling equipment, in particular to an asphalt recycling drying drum and a drying method thereof. The asphalt recycling drying drum comprises a drum body, a feed assembly, a discharge assembly, a driving device and a combusting device and also comprises a high-temperature smoke mixing chamber and an intake flue, the high-temperature smoke mixing chamber is connected at one end with the discharge assembly and connected at the other end with a combustor, the intake flue is connected at one end with a feed end of the drum body and communicated at the other end with the high-temperature smoke mixing chamber so that high-temperature smoke in the drum body is introduced into the high-temperature smoke mixing chamber, and hot blast in the high-temperature smoke mixing chamber is in reverse contact with a flow of recycled material. The high-temperature smoke mixing chamber and the drum body are made independent in the drying method of the asphalt recycling drying drum, recycled material is free of flame radiation, and asphalt aging is prevented; tail gas circulation is adopted, recycled high-temperature tail gas is heated indirectly, and emission and environmental pollution are decreased.

The invention relates to the field of infant supplementary foods, and in particular relates to a method for producing infant milk and cereal powder by a wet process. The method is characterized in that amylose and amylopectin in a cereal raw material are properly gelatinized by controlling factors such as water content, temperature, gelatinization degree and ingredients in a series of production processes of the cereal raw material; and a milk raw material is added, enzymolysis treatment is carried out according to body and age conditions of infants, and suitable products are produced for the infants with different body conditions, at different ages and with different digestive abilities, thereby effectively shortening the adaptive phase to supplementary foods.

The invention discloses a warm mix asphalt additive, warm mix asphalt, warm mix asphalt mixture, a preparation method and an application. The warm mix asphalt additive comprises 30%-70% of fatty acid amide polyamine or fatty imidazoline polyamine, 20%-55% of aliphatic polyamine ethylene oxide adducts and 10%-15% of vinyl-amine, and the percent is weight percent relative to the total weight of the warm mix asphalt additive. The warm mix asphalt additive can be directly added into the asphalt to prepare the anhydrous warm mix asphalt, the working temperature of the asphalt mixture is effectively reduced, and the warm mix asphalt additive is applicable to different asphalt mixture types. Compared with hot-mixed asphalt mixture of the same type, the temperature can be reduced by 20-50 DEG C, the warm mix asphalt mixture has the advantages of simple process, energy conservation, environmental protection, low cost and the like, the moisture damage resistance of the warm mix asphalt is improved, and the service life of a road is prolonged.

The invention relates to the technical field of road building materials, in particular to a reinforcing agent for modifying an acidic aggregate asphalt mixture and application. The reinforcing agent for modifying the acidic aggregate asphalt mixture comprises a modifier A and a modifier B which are matched to be used, wherein the mass of the modifier A is 0.2% to 2% of the mass of matrix asphalt in the acidic aggregate asphalt mixture, and the mass of the modifier B is 0.4% to 1% of the total mass of the acidic aggregate asphalt mixture. When the reinforcing agent for modifying the acidic aggregate asphalt mixture is applied to the road paving, the mixing temperature and the molding temperature are reduced by several tens of degrees compared with the ordinary hot mixed asphalt mixture, andthe energy consumption is saved, and the aging degree of the asphalt is effectively weakened; meanwhile, the reduction of mixing temperature can reduce the emission of toxic gases, and minimize the harm to people and the environment, and the reinforcing agent has ideal social, economic and environmental benefits.

The invention relates to the technical field of female underwear and bras, in particular to a making process for lace bras. The method mainly comprises the following steps of A, selecting and making cup body molding materials and lace molding materials, which are in required shapes, and correspondingly tailoring stickers of which the shapes are consistent with those of the lace molding materials; B, adhering the lace molding materials to the corresponding positions of the outer surfaces of the cup body molding materials by virtue of the stickers, and performing hot pre-pressing fixation for 1 to 2 seconds under hot pre-pressing pressure of 1 to 2Pa and temperature of 115 to 120 DEG C; C, performing hot pressing forming on the hot pre-pressed cup body molding materials for 8 to 10 seconds to obtain lace cup bodies under hot pressing pressure of 4 to 6Pa and temperature of 125 to 130 DEG C; D, sewing the formed lace cup bodies into the lace bras. The method has the characteristics of simple process, low making cost, no reflection of adhesive films and high comfort degree and aesthetics.