924results about How to "Prevent immersion" patented technology

The invention discloses a flexible display device and a packaging method of the flexible display device, and relates to the field of display. The problem that bending cannot be resisted in existing thin film packaging can be solved. The flexible display device comprises a light emitting device and a packaging layer for packaging the light emitting device. The packaging layer comprises a first patterned film layer and a second film layer at least covering the pattern clearance of the first film layer.

The invention relates to foam liquid for drilling, in particular to strong inhibition type anti-collapse foam liquid for drilling, which is characterized by being prepared with the following components in parts by weight: 0.09-0.11 part of foam stabilizer, 0.36-0.44 part of foaming agent, 2.34-2.86 parts of anti-collapse agent, 2.7-3.3 parts of fluid loss additive and 94.51-93.29 parts of water. When complex situations such as formation water occur to gas drilling, the foam liquid of the invention can effectively improve the rock carrying capacity and the water carrying capacity and simultaneously protect the stability of the upper well wall. Laboratory studies shown that the foam liquid has high foaming capacity, the foaming capacity is more than or equal to 500 percent, the half-life is moderate, and the foam liquid can be easily controlled and is conducive to drilling engineering construction.

The invention provides sealing clay and a preparation method thereof. The sealing clay comprises 20 to 40 percent of rubber substrate, 15 to 25 percent of tackifying resin, 10 to 20 percent of softener and 25 to 55 percent of filler, and is prepared by adopting production technology of vacuum kneading material-mixing and extrusion compression casting molding. The sealing clay has the advantages of good waterproofing, gas prevention and sealing performances, high-low temperature resistance, corrosion resistance, aging resistance, dry operation, and convenient installation, can be randomly disassembled, has good durable leakproof sealing effect, can prevent the invasion of bugs, smell, gas and chemical substances, has convenient color mixing, and is suitable for the waterproofing of facilities such as toilets, kitchens, bathrooms, swimming pools, water reservoirs, water towers, cave depots, subways, tunnels and the like and the waterproof adhesion of veneers such as marble, granite, external wall external thermal insulation and the like, particularly for the fields such as bath equipment, sanitary wares, household appliance installation and the like which have direct and frequent close contact with human beings.

The invention provides a rare earth permanent magnetic material. The rare earth permanent magnetic material comprises a primary phase and a secondary phase, and the secondary phase is isolated from the primary phase or the secondary phase covers the periphery of the primary phase. The primary phase is composed of R1x1R2y1Fe(100-x1-y1-z1-w1)Coz1Bw1N1g1; R1 is selected from Pr or/and Nd, R2 is selected from at least one of Dy, Tb and Ho, 26wt%<=x1+y1<=36wt% and 0.01wt%<=y1<=10wt%; the secondary phase is composed of R3x2R4y2Fe(100-a-b-c-v-u)Coz2Bw2N2g2, R3 is selected from at least one of Pr, Nd, Dy and Tb, R4 is Ho, 35wt%<=x2+y2<=65wt% and 0.01wt%<=y2<=20wt%. The rare earth permanent magnetic material is prepared in a dual-alloy mode, is low in cost, strong in coercive force and high in magnetic induction, and a magnet of a smaller size can be used when the rare earth permanent magnetic material is applied to a motor,.

Provided is an adhesive that has favorable adhesive strength for use in the untreated surface material of an untreated polyester film or the like; suppresses a decrease in adhesion strength over time, even in outdoor exposure conditions; and is capable of maintaining adhesion strength over a long period of time. This polyurethane adhesive is a polyurethane adhesive using a main agent and a curing agent, wherein the main agent contains a specific polyester polyol (A), a specific polycarbonate polyurethane polyol (B), and a specific bisphenol type epoxy resin (C) at a specific ratio, and the curing agent contains a specific amount of a polyisocyanate component with an isocyanurate skeleton.

The invention discloses an auxiliary leaching agent applied to the ion-absorbed rare earth ore leaching process and an ore leaching method of the auxiliary leaching agent. The auxiliary leaching agent is a water-soluble surface active agent. Ore leaching liquid prepared through mixing of a leaching agent and the auxiliary leaching agent is used for leaching ion-absorbed rare earth ore, stable rare earth complex can be formed, moistening of the surface of soil is facilitated, and the leaching effect is strengthened. Meanwhile, due to the adding of the auxiliary leaching agent in the ore leaching liquid, clay hydration expansion and particle transferring can be effectively inhibited, and the effect of soil expansion preventing is achieved. The auxiliary leaching agent is used in the ion-absorbed rare earth ore leaching process, the rare earth leaching rate is increased, the use amount of the leaching agent is reduced, production cost is reduced, and ammonia nitrogen pollution is reduced; and in addition, the function of preventing soil expansion is achieved, and the probability of landslides is reduced.

The invention discloses a black functional mulch dedicated for a fruit tree, which is prepared from the following raw materials in percentage by weight: 35-45% of LLDPE(Linear low density polyethylene), 6-15% of LDPE(Low-density polyethylene), 5-12% of HDPE (High-density polyethylene), 15-25% of mPE (polyethylene), 8-15% of black master batch and 5-12% of functional master batch of mulch dedicated for a fruit tree, wherein the functional master batch of mulch dedicated for a fruit tree comprises the following raw materials in percentage by weight: 30-45% of LLDPE powder, 5-12% of LDPE, 5-12% of HDPE powder, 5-15% of mPE, 4-12% of hindered amine light stabilizer, 1.5-3.5% of antioxidant, 1.5-3.5% of ultraviolet absorber, 1.5-4.0% of dispersant stearic acid, 1.5-4.0% of dispersant polyethylene wax, 2-8% of herbicide acetochlor and 5-9% of insulating agent. According to the black functional mulch dedicated for a fruit tree, the problem that the common black mulch has short service life (about 80 days) and is easy to age is solved. The service life of the black functional mulch is above 12 months which is more than four times of the service life of the common black mulch. In addition,the functional effects on collecting rain, conserving moisture, lowering and keeping temperature and preventing weeds in the whole root system development, growth and fructescence period of the fruittree can be ensured. In addition, the black functional mulch is a pollution-free production which is easy to recover and is friendly to the environment, and the ecological environment is powerfully protected. The black functional mulch is widely suitable for fruit mulching cultivation in areas with the rainfall capacity of 300-500mm, big temperature difference and low temperature.

The invention relates to a flexible polyvinyl chloride granula for cable with resistance to highly corrosive mediums comprised of acids, alkaline, saline, etc. The components of the invention: 100 shares of polyvinyl chloride resin, 10-30 shares of Polyethylene vinyl acetate or Di-octyl terephthalate and/or Dinonyl phthalate, 6-20 shares of dioctyl sebacate, 5-20 shares of dioctyl phthalate, 8-20 shares of chlorcosane with 52 percent chloride content, 0.3-1.5 shares of paraffin, 4-10 shares of stabilizing agent. Owing to the adapting of the insoluble or slightly dissolving in water, acid or alkali alkaline hydrolysis mixing plasticiser, the hydrolysis and extraction of the plasticiser are effectively prevented; the moisture content is decreased without adding hygroscopicity plugging compound; adding paraffin, the paraffin is dissolved out after the cooling, and then the waterproof membrane is formed at the surface of the plastic and the immergence of the moisture is prevented. The suction of the outside aqueous solution is decreased or avioded, the hydrolysis and extraction with plasticiser are decreased and avioded, and the acid resistance, the alkali resistance and the salt resistance are acheived, the service life in the saline and alkaline areas and coastal areas is prolonged. The invention can be led underground in saline and alkaline areas (inland) and coastal areas (tideland) and the safe service life can be prolonged one time to six times.

The invention discloses a grape planting method. The method includes the following steps of firstly, cultivating seedlings; secondly, watering the seedlings; thirdly, applying farmyard manure; fourthly, applying potassium sulphate compound fertilizer and nitrogen fertilizer one week before sprouting; fifthly, applying 20-25 kg of potassium sulphate compound fertilizer, nitrogen fertilizer and phosphatic fertilizer after flowering; sixthly, applying nitrogen fertilizer when fruits are as large as mung beans; seventhly, covering fruits with hollow double-color mulching film covers after the fruits are borne; eighthly, applying nitrogen fertilizer and phosphorus potassium fertilizer in the fruit coloring initial period. According to the grape planting method, by covering the fruits with the double-color mulching film covers after the fruits are borne, rainwater can be prevented from immersing surfaces of grapes, the wind resistance and rain resistance are high, light permeability is high, insect removal and disease resistance are achieved, the photosynthesis strength is improved, heat preservation and moisture preservation are achieved, grape growth is accelerated, the yield and income are increased, and mature grapes are low in internal pesticide residue, rich in nutrient, fresh in color and luster, good in taste, better in color and more sufficient in sugar.

A screwdriver device where rotational torque directly applied to the device by an external force can be drastically reduced in screw tightening operation. The screwdriver device has characteristic construction means having a device body (1) and a male-type head section (21). The device body (1) is constructed by layering over each other piezoelectric elements (3, 4) in a screwdriver device (alpha2), the piezoelectric elements (3, 4) generating predetermined ultrasonic vibration with application of a predetermined AC voltage, and based on the ultrasonic vibration, the device body (1) excites mechanical vibration in a predetermined direction on a vibration end surface (1a) of the device body (1). The male-type head section (21) is formed so that it can fit in a female-type engraved marking (103) in a screw (beta1) and is integrally fixed with the device body (1) on the vibration end surface (1a) of the device body (1). The male-type head section (21) applies rotational torque, directly applied to the screwdriver device (alpha2) by an external force, to the screw (beta1) in which the female-type engraved marking (103) is fitted and contact, and also the male-type head section (21) transmits to the screwdriver device (alpha2) mechanical vibration in a predetermined direction excited by the device body (1).

The invention relates to a high-temperature high-pressure self-sealing dual-plane gate valve, which comprises a valve, a valve cover, an operation screw and an operation hand wheel on the valve cover. Wherein, the valve has a gate plate connected to the operation screw, and sealing surface matched with the gate plate; said valve comprises two separate gate plates and a central pushing rod; two gate plates are opposite, whose outer sealing surfaces are parallel, and inner surfaces are uniform distributed with several compress springs; the central pushing rod via its lower end and the clamp groove at the inner sides of two gate plates is clamped between two gate plates, while the upper end via the connector is connected to the operation screw. Via the operation screw, the pushing rod via its lower end can move said two gate plates up and down along the sealing surface; and the compress spring compresses the two side sealing surfaces of gate plates on the sealing surface of valve, to confirm the sealing effect and prolong the service life.

The invention provides a light soil side wide roadbed structure for a railway. The light soil side wide roadbed structure comprises a conventional railway slope and a new side width filling road embankment, wherein light soil layers are poured between the conventional railway slope and the new side width filling road embankment; geogrids are arranged in the light soil layer and the side width filling road embankment; bottom layers of subgrade beds and surface layers of subgrade beds are sequentially paved on the conventional railway slope, the light soil layers, and the top surface of the new side width filling road embankment from bottom to top. The light soil side wide roadbed structure disclosed by the invention effectively reduces side filling loads, maintains the stability of a conventional road embankment, and reduces the sedimentation of new line foundations and the additional sedimentation of conventional lines.

The disclosed vehicle door lock device is equipped with a latch mechanism, a lever mechanism, a link mechanism and an electric actuator, which are assembled in a housing. The housing is provided with a housing body and a housing cover that are interconnected, and is arranged such that the connection surface extends vertically. A seal is formed at the connection between the housing body and the housing cover in a manner such that the seal surrounds the upper part of the housing space where the link mechanism and the electric actuator are accommodated. The seal is provided with a path, which has one open end, and inner and outer welded sections, which are contiguously formed along the passage on the inner side and the outer side of the housing. Thus, water-proofing measures (the seal) for the electric actuator (electrical part) are simply and inexpensively configured and it is easy to the condition of the seal.

The present invention discloses a CNTs@SiO2@Ni/Al-LDH shell structure three-dimensional nanometer material preparation, which comprises: (1) dispersing carbon nano-tubes in a solution by using hexadecyl trimethyl ammonium bromide (CTAB); (2) coating a SiO2 shell layer on the surface of the uniformly-dispersed carbon nano-tubes to form a CNTs@SiO2 core-shell structure; (3) preparing a AlOOH sol precursor; (4) coating the AlOOH sol precursor on the surface of the CNTs@SiO2 core-shell structure to form a CNTs@SiO2@AlOOH core-shell structure; and (5) preparing a CNTs@SiO2@Ni/Al-LDH core-shell structure through an in-situ growth method. The material and the method of the present invention are mainly used in the fields of super-capacitors, catalysts, sensors and the like.

The box (15) for accommodating the circuit structure (10) has a frame (16) arranged along the periphery of the circuit board (11), and a cover (19) assembled to the frame 16 in a manner covering the circuit board (11). ), the frame body (16) is provided with connectors (22, 23, 24) facing the outer peripheral side of the frame body (16), and on the corresponding surfaces of the cover (19) and the connector (22, 23, 24) , forming a first rib (26A), a second rib (26B), and a first rib accommodating groove that can restrict liquid passing through the gap between the connector (22, 23, 24) and the cover (19) by concave-convex fitting (28A), the second rib accommodating groove (28B), therefore can prevent the liquid outside the frame body (16) from infiltrating into the frame body (16) through the gap between the connectors (22, 23, 24) and the cover (19) Inside.

The invention discloses a method for manufacturing a tungsten plunger. The method comprises the following steps of: providing a substrate, wherein a dielectric layer is formed on the surface of the substrate, an opening is formed on the dielectric layer, and the substrate is exposed by the opening; forming an adhesive layer on the substrate; nitriding the adhesive layer so that a part of the adhesive layer forms a barrier layer; filling the opening with metal tungsten; and removing the excessive metal tungsten and a part of the barrier layer to form the tungsten plunger. By the method, internal voids formed during the manufacturing of the tungsten plunger are eliminated or reduced, interconnection resistance of the tungsten plunger is reduced, the tungsten plunger is prevented from being immersed and corroded by polishing solution during chemical mechanical polishing, and the reliability of a product is improved.

The invention discloses a liquid wound dressing and a preparation method thereof. The raw materials include polyvinyl alcohol, dioctyl phthalate, glycerin, laurocaprazine, chitosan, and nude flower purple pearl; the preparation method is as follows: After polyvinyl alcohol and ethanol are stirred and dissolved at 50°C, laurocaprazine, glycerin, and dioctyl phthalate are added to prepare a sputum solution; add nudibranchs to the scorpion solution, and mix well. The liquid wound plaster of the invention is easy to use, has the effects of hemostasis, antibacterial, anti-inflammatory, etc., and has the advantages of good water-proof, air-permeable, no allergic reaction and drug resistance, and not limited by the size and shape of the wound.

The invention relates to a nickel-plated copper material and a preparation method and application thereof, and belongs to the technical field of battery manufacturing. The nickel-plated copper material sequentially comprises fine copper, a copper-nickel alloy layer, a dull nickel layer and a high-weldability nickel layer from inside to outside. The thickness of the copper-nickel alloy layer ranges from 0.2 micrometer to 0.6 micrometer. The thickness of the dull nickel layer ranges from 0.2 micrometer to 0.6 micrometer. The thickness of the high-weldability nickel layer ranges from 0.6 micrometer to 2.6 micrometers. The preparation method includes the steps that the activated fine copper serves as a base material; firstly, low current is supplied by a pulse power source to electrically deposit the dull nickel layer; then, direct current nickel plating at high current density is conducted in an electrolyte with high-weldability nickel plating additives; and after electroplating is finished, in combination with annealing treatment and dehydrogenation thermal treatment matched with the electroplating process, the nickel-plated copper material which is strong in coating binding force, resistant to corrosion and folding and easy to weld is obtained. When the prepared nickel-plated copper material is used for nickel-plated copper strip electrode tabs of large-magnifying-power lithium ion batteries, the performance of the electrode tabs are far superior to the performance of similar products. The preparation process is simple and controllable, and industrial production is conveniently achieved.

The present invention relates to a connector and a production method. The connector has a simple structure and maintains good waterproof characteristics. The connector has a molding unit (30) and a sealing unit (32). The molding unit is formed by that the uncovered portions (B) of covered wires (10a-10e) project on the x positive side from a first end of the molding unit and the covered portions (A) of covered wires (10a-10e) project on the x negative side from a second end of the molding unit, and thereby holding the conducting lines to fix positions of the conducting lines relative to one another. The sealing member of an adhesive (32) adheres to the second end of the molding unit (30) on the x negative side and adheres to the outer circumferential surface of the insulating covering of the covered segment of each covered wire (10a-10e) .

The invention provides a weather strip. The weather strip is installed on a door of an automobile, e.g., an opening edge of a back door arranged on the back of the automobile, so as to prevent a following condition that in order to improve beauty, automobile window glass is arranged to be nearer the outer side of the automobile than a window frame, so water penetrate through the automobile window glass and then reach the automobile inner side due to a failure to seal the space between the automobile window glass and the window frame in the prior art. The weather strip is provided with a tongue-shaped seal lip which is in elastic contact with an automobile body. An extension part and the tongue-shaped seal lip form a largely V-shaped groove part. The whole outer side face of the seal lip is largely in shape of an oval. A first hollow part with a largely oval-shaped side face is formed in the length direction in a through manner. The side face of the tongue-shaped seal lip is largely in the shape of an L, extends from the seal lip and is connected together. A third seal lip extends from a base body part. A second hollow part with a largely quadrangle-shaped side face is perforated between the seal lip and the base body part. Mountain-shaped keeping lips are arranged along the upper part and lower part or left part and right part of a base face of the base body part.

The invention adopts the technical scheme that: a konjac seed coating agent comprises the following components by weight: 20 percent to 45 percent of plaster, 15 percent to 40 percent of adamic earth, 20 percent to 45 percent of plant ash with the carbon content being more than or equal to 15 percent, 0.1 percent to 0.5 percent of sulfur, 0.05 percent to 0.15 percent of Sanmate, which are made into powder to be pulped. The coating method of the konjac seed coating agent is that: the pulp which is obtained in the scheme is arranged inside a vessel, selected konjac seeds are arranged inside a bamboo basket, and then the bamboo basket is arranged inside the vessel, so the konjac seeds can be immersed in the coating agent. After being immersed for 1 minute to 5 minutes, the konjac seeds are taken out of the vessel, and the fluid coating agent on the surface of the konjac seeds is flushed and filtered. The coating layer is attached onto the surfaces of the konjac seeds, so not only can the insecticidal effect and the sterilization be realized, but also the external bacteria or the bacteria spread in the air can be prevented from infringing in the konjac seeds during the storage period, the konjac seeds are not easily influenced by the low temperature, and the warmth retention and freeze prevention of the seed konjac can be facilitated.