40results about How to "With isolation" patented technology

The invention relates to a production method, in particular to a method for producing conductive geotextile. The method for producing the conductive geotextile comprises the steps of raw material selection, raw material screening, drying, fusion, spinning, cross air blow cooling, airflow drafting, swinging, net laying, mixed even feeding of metal fibers, carbon fibers and other short fibers, ironing conducted by a hot roller, shaping conducted by a pre-needle machine, reinforcing shaping conducted by a first main needle machine, repair shaping conducted by a second main needle machine, cloth containing conducted by a cloth containing machine, trimming and rolling. The geotextile produced according to the method for producing the conductive geotextile has the protective performance, the isolating performance, the waterproof performance, the filtering performance and the like of traditional geotextile, further has the conductive characteristic and is a good electrode material. According to the method for producing the conductive geotextile, the production technology is stable, control over the thickness of a material is good, the control range of the puncture density is large and is 50 to 500 stitches / cm<2>, the controllable range of the permeability performance of the material is large and is (1.0-9.9)*(10<-1>-10<-3>)cm / s, the strength of the product is high, and the thickness reaches 20mm.

The invention belongs to a helicopter structure design technology and relates to a helicopter power cabin front fairing. The helicopter power cabin front fairing includes an oil radiator cowl assemblyand an oil radiator inlet port assembly. A lubricate oil radiator fairing assembly is locate at that upper part of the fuselage cabin ceiling and the front part of the final drive fairing; The oil radiator fairing assembly is made of oil radiator movable fairing, left / right hydraulic viewing window and left / right sealing rubber gasket bonded together. A lubricate oil radiator inlet port assemblyis located at that low part of the lubricating oil radiator cowl assembly and the front part of the final drive cowl; As that structure of the invention is light in weight and high in efficiency, beside meeting the basic requirement of the rectifying dimension and the protective equipment, the invention has the functions of a lubricating oil radiating air duct and a cockpit ventilation air inlet,and has good installation and maintenance function.

The invention relates to a magnetic phase change microcapsule and a preparation method thereof. The preparation method comprises the steps that an oil-in-water emulsion is prepared; a prepolymer solution is prepared; in-situ polymerization is carried out; and a magnetic additive is further added. According to the phase change microcapsule, a wall material of the phase change microcapsule can protect a core material well, and the phase change is enabled to play a better role; and magnetic materials such as Fe / Fe3O4 / CrO2 are doped into the wall material to enable the thermal conductivity of themicrocapsule to be increased and the latent heat of phase change to be increased, and the magnetic property is imparted to the magnetic phase change microcapsule, so that the functions of heat conduction, heat preservation and magnetic property are achieved.

The invention provides a large karst stratum partial filling reinforced concrete bag pile structure and a process. The structure comprises a geofabric bag; a folding reinforcement frame connected withthe geofabric bag is arranged in the geofabric bag and used as an inner support; concrete is poured into the geofabric bag; and the filing boundary of concrete is limited through the geofabric bag, then pouring is conducted, and partial filling of a karst cave is achieved. The adopted high-strength geofabric bag has the characteristics of isolation and water drainage, and a pile is easy to form.

First, a substrate possessing intraconnection wire and structure of fuse wire is provided. Covering layer composed of first dielectric layer, stopping layer and second dielectric layer is formed on the substrate. First opening exposing surface of the intraconnection wire is formed on the covering layer, and metal welding pads higher than surface of covering layer is also formed on the first opening. Protective layer, antireflection layer and patterned mask layer possessing second and third openings are formed on the metal welding pads and the covering layer. The second opening exposes antireflection layer on the metal welding pads, the third opening exposes antireflection layer on fuse wire. Then, by using patterned mask layer, etching antireflection layer and protective layer in sequence along second opening as well as etching protective layer, second dielectric layer and stopping layer in sequence along third opening forms the fuse wire window.

The invention discloses silk fibroin composite hydrogel applicable to sensitive skins and a method for preparing the silk fibroin composite hydrogel. The silk fibroin composite hydrogel comprises, by weight, 23-36 parts of silk proteins, 8-19 parts of tussah silk proteins, 9-17 parts of collagen, 9-21 parts of sericin, 13-25 parts of hyaluronic acid, 3-16 parts of trehalose, 6-14 parts of loofah extract, 2-11 parts of avocado extract, 7-18 parts of urea, 3-12 parts of vitamin E, 4-12 parts of vitamin C and 20-38 parts of deionized water. The silk fibroin composite hydrogel and the method have the advantages that the silk fibroin composite hydrogel is high in absorption speed, and good moisturizing effects can be realized; the silk fibroin composite hydrogel has functions of isolating harmful substances, absorbing ultraviolet rays and the like, and accordingly double skincare and protection effects can be realized; the silk fibroin composite hydrogel is mild in property, free of irritant components and applicable to the sensitive skins.

The invention discloses a long-horizontal-section horizontal well cementation curable prepad fluid, and belongs to the field of petroleum and natural gas exploration. The long-horizontal-section horizontal well cementation curable prepad fluid is prepared from G-grade cement, closed-pore vitrified perlite, slag powder, micro-silicon, calcined gypsum, sodium sulfate, quick lime, slaked lime, sodiummetasilicate and sodium carbonate. According to the invention, an alkaline mudstone inhibitor is introduced, and a solid-phase material and related functional additives are comprehensively utilized to construct the curable prepad fluid which can stabilize a mudstone stratum, has good compatibility with a drilling fluid and cement paste, is stable in self system and has curing characteristics.

Moistening type foundation cream is prepared by the following raw materials in part by weight: 2-4 parts of vitamin E, 3-4 parts of tea polyphenol, 1-2 parts of citric acid, 0.5-1.2 parts of borneol, 5-7 parts of glycerin monostearate, 6-12 parts of hydrolyzed pearl solution lipidosome, 8-14 parts of glycerinum, 2-5 parts of dimethicone, 6-9 parts of rutin, 8-20 parts of green tea extracts, 12-24 parts of extracts of traditional Chinese medicines, 3-7 parts of vitamin, 0.4-0.6 part of urea, 3-6 parts of cod-liver oil, 0.8-1.2 parts of sodium lauryl sulfate, 0.4-0.6 part of triethanolamine, 2-4 parts of olive oil and 8-13 parts of titanium dioxide. The moistening type foundation cream has the effects of skin restoring, sun block, isolation, moisturizing and brightening and can moisturize the skin of a user for a long time; and dryness and sunburn are prevented.

The invention discloses an intelligent stair-climbing express delivery trolley which comprises a fixing plate, a gravity center control mechanism arranged on the fixing plate, a planet wheel type structure wheel set, a transmission mechanism used for driving the planet wheel type structure wheel set to roll, an elevator key mechanism and a circuit device. Two limiting plates, which are symmetrically distributed, are arranged on the upper surface of the fixing plate; and supporting columns are fixedly connected to the four corners of the bottom of the fixing plate. The bottoms of the supportingcolumns are fixedly connected with a connecting plate. According to the invention, the planet wheel type structure wheel set is adopted; a mechanical trolley with the stair climbing capability is manufactured; a sliding groove structure is installed on the vehicle, automatic balance in the stair climbing process is achieved, all sensor modules are combined, a hardware circuit system suitable forstair climbing and elevator taking is established, intelligent stair climbing is achieved, simulation physical key accuracy is improved by applying coordinate data positioning, floor positioning is achieved through an air pressure sensing module, so that the function of elevator taking of the vehicle is achieved.

The invention discloses a geotextile bag pile structure equipped with an unfoldable steel bar framework and a construction process thereof. A folded steel bar framework structure is adopted; the structure is shrinkable; a group of telescopic frames are arranged between two vertical bars at intervals; the telescopic frames are in articulated connection with the vertical bars through rotating headsto form a structure similar to a telescopic door; when the spacing between the vertical bars is reduced, the telescopic frames can rotate along the rotating heads and own rotating shafts; the diameterof the structure is reduced; when the cloth bag is pulled, the spacing between the vertical bars is increased, the telescopic frames are stretched until the steel bar framework is unfolded, and the diameter of the structure is increased. According to the geotextile bag pile structure equipped with the unfoldable steel bar framework and the construction process thereof, the geotextile bag is connected with the folded steel bar frame structure through composite fiber bars; when the pile structure is constructed, the pile body is firstly placed down, then the concrete is poured, the cloth bag isexpanded to generate pressure; the composite fiber bars are used for pulling the steel bar frame structure to be unfolded, and a high-strength reinforced concrete cloth bag pile structure is automatically formed.

The invention discloses a glass-fiber membrane and a glass-fiber vacuum bag. According to the technical scheme, the glass-fiber membrane is characterized by comprising a glass-fiber cloth layer, a flame-retardant adhesive layer, a PET layer, a first adhesive layer, an aluminum-foil layer, a second adhesive layer, a PA layer, a third adhesive layer and an SPE layer which are sequentially connected from bottom to top. The glass-fiber membrane is prepared into the corresponding glass-fiber vacuum bag through a corresponding process, the prepared glass-fiber vacuum bag is good in sealing strength, compression strength and puncture resistance, and the sealing structural strength and usability of the glass-fiber vacuum bag are improved.

The invention discloses a skin-friendly sanitary napkin with the function of rapid infiltration. A basic membrane layer and an absorption layer are arranged on a napkin body. The sanitary napkin is characterized in that a rapidly infiltrating diversion layer and a skin-friendly protection layer are also arranged on the napkin body and the sanitary napkin is made by the ordinal combination of the basic membrane layer, the absorption layer, the rapidly infiltrating diversion layer and the skin-friendly protection layer. The sanitary napkin turns a common surface layer into the skin-friendly protection layer. The skin-friendly material of the skin-friendly protection layer is soft and breathable, and the like, and effectively isolates a human body from the napkin body, so a user feels soft, comfortable, dry and clean when using the sanitary napkin. In addition, the skin-friendly protection layer can be colorless or any color to enhance visual effect. Meanwhile, as the rapidly infiltrating diversion layer arranged under the skin-friendly protection layer leads liquid to flow to the absorption layer quickly and prevents reverse osmosis, therefore, the napkin can keep dry and clean.

The invention discloses an end-fire filtering MIMO antenna. The antenna comprises four end-fire filtering antenna units. Each end-fire filtering antenna unit comprises a first dielectric substrate and a second dielectric substrate; the first dielectric substrates are located above the second dielectric substrates; a director, a driving dipole and a reflector are arranged on the upper surface of each first dielectric substrate, the driving dipole is located between the director and the reflector, and the end-fire filtering antenna unit can generate radiation in the end-fire direction through the radiation effect of the director and the reflector; the upper surface of each second dielectric substrate is provided with a resonator, and the lower surface is provided with a metal floor; a coaxial probe connected with the upper surface and the lower surface is arranged in the middle of each second dielectric substrate; and each resonator is fed by the coaxial probe, and the director, the driving dipole and the reflector on the first dielectric substrate are excited through coupling of the resonator. The antenna is simple in structure, low in profile, small in area and high and stable in in-band gain, and can meet the application of sub-6GHz and other frequency bands in existing 5G communication.

The invention discloses a high-power synthesizer covering 9 kHz-100 MHz. The high-power synthesizer mainly solves the problem that low frequency and high frequency of an existing power synthesizer cannot be compatible. The synthesizer is composed of six transmission line transformers, the four transformers at the synthesis end are connected with a radio frequency power amplifier, four paths of power are synthesized, isolation resistors are arranged between ports, and mutual influence of the amplifiers is avoided. And the two transformers at the output end convert the synthesized impedance intothe characteristic impedance of the radio frequency system. By means of the design, a proper transformer topology design is adopted, the coupling capacitance between lines is reduced, the equivalentinductance value under the same line length is increased, and the synthesis circuit can work in the frequency band of 9 kHz-100 MHz at the same time. The problem that low frequency and high frequencyof an existing high-power synthesizer cannot be compatible is solved, and the problems that synthesis efficiency is reduced due to impedance mismatch, and a synthesized power amplifier is unstable areavoided. Therefore, the method is suitable for popularization and application.

The invention discloses a moistureproof breathable ground mat. The moistureproof breathable ground mat is characterized in that the moistureproof breathable ground mat comprises an IXPE buffer layer (2) at the upper layer and a PE layer (4) at the lower layer, the bottom surface of the IXPE buffer layer (2) and the back surface of the PE layer (4) are bonded together through a bonding layer (3), the bonding layer (3) is provided with double faced adhesive tape, a plurality of circular truncated cones (6) are distributed on the front surface of the PE layer (4), the diameters of the top surfaces of the circular truncated cones (6) are 6-8 mm, the bottom surfaces of the circular truncated cones (6) are 14-16 mm, and the heights of the circular truncated cones (6) are 10-12 mm. The moistureproof breathable ground mat has good buffer and isolation functions and is breathable and moistureproof, floors can be effectively protected for a long time.

The invention provides electrochromic vacuum glass. The electrochromic vacuum glass includes a substrate, an upper transparent oxide conductive layer, a cathode electrochromic layer, an ion conductive layer, an anode electrochromic layer, a lower transparent oxide conductive layer, a transparent adhesive layer, an inner-layer glass body, a vacuum layer and an outer-layer glass body which are stacked sequentially. The electrochromic vacuum glass is a kind of thermal-insulation and sound-insulation high-efficiency energy-saving glass which can prevent ultraviolet rays, lower dew formation points and adjust the illumination intensity; as building window glass, the electrochromic vacuum glass is very good in sound insulation and heat insulation, especially, the sunlight illumination intensity can be changed according to the requirements of inhabitants, the influences of light radiation and radiant heat on the room and human are reduced, and the requirement of people for the comfort degree under a certain sunlight radiation is met. The electrochromic vacuum glass well solves the problems that existing electrochromic glass is subjected to impact of the external environment, and in vacuum glass, the sunlight illumination intensity can not be manually adjusted and light radiation heat is not controllable.

The invention discloses a baby eczema relieving cream. The baby eczema relieving cream consists of the following raw material components: caprylic triglyceride, petrolatum, borage seed oil, ceteareth-25, cetearyl alcohol, polydimethylsiloxane, camellia seed oil, ceteareth-6, glycerol stearate, PEG-100 glycerol stearate, tocopherol, glycerol, propylene glycol, colloidal oat powder, panthenol, polyacrylamide, allantoin, p-hydroxyacetophenone, ceramide-3, ceramide-1, ceramide-6II, carbomer, sodium hydroxide, laureth-7, caprylohydroxamic acid, essence, and the balance of purified water. Accordingto the invention, through combined action of the components, effects of the components are effectively exerted, so that the product has the effects of resisting bacteria, diminishing inflammation, andisolating, repairing and moisturizing skins, can effectively prevent and treat the eczema, can be used to repair the treated skins, and has a better curing effect.

The invention belongs to the technical field of cosmetics, and discloses a composition with whitening and sunscreen effects as well as a preparation method and application thereof. The composition comprises a skin protective agent and a sun-screening agent, the skin protecting agent is prepared from at least three of 4-butylresorcinol, ergothioneine, paeonol, Ectoine and an artemia extract. According to the composition disclosed by the invention, at least three of the 4-butylresorcinol, the ergothioneine, the paeonol, the Ectoine and the artemia extract are combined as the skin protective agent, and all the components have a synergistic effect, so that the composition has excellent whitening and brightening effects; and the skin protecting agent is matched with the sun-screening agent, so that the composition has a sun-screening effect, and the whitening and brightening effects are further remarkably improved. The composition disclosed by the invention is used in a base product, and has the effects of blocking sun and improving skin glossiness on the basis of isolating and concealing effects.

The embodiment of the invention provides an energy-saving assembled machine room and a dynamic loop control system thereof. The energy-saving assembled machine room comprises machine room walls, the machine room walls comprise plate base bodies, each plate base body comprises an EPS honeycomb isolation thermal insulation material, a flame retardant and coal cinder powder, the EPS honeycomb isolation thermal insulation material, the flame retardant and the coal cinder powder are mixed according to a certain proportion to form material particles, and relatively independent isolation cabins are formed among the material particles. The energy-saving assembled machine room is formed by splicing and connecting the multiple machine room walls through steel bars and has the advantages of being high in fireproof performance, obvious in noise reduction effect, short in construction period, small in pollution and the like. The dynamic loop control system with the real-time monitoring and real-time controlling functions has the advantage that it is guaranteed that communication equipment in the energy-saving assembled machine room can stably operate under the preset working condition at any time.

The invention discloses a high-precision synchronous pulse counting circuit based on a PCI. The circuit comprises an input signal isolation module, an FPGA controller, an SDRAM, a bus interface module, a high-precision clock module and a power module, wherein a signal output from a tested device firstly enters the input signal isolation module to be isolated and conditioned, isolated and conditioned pulses of all channels are counted and frequency of the pulses is tested through the FPGA controller, pulse count values of the channels and pulse frequency values are cached in the SDRAM, cached data are transmitted to the bus interface module by the FPGA controller, and the bus interface module transmits measurement data to an upper computer to be displayed and stored; the high-precision clock module is used for providing a high-precision clock needed in the counting and frequency testing process of the FPGA controller; the power module is use for providing power needed in work for the modules.

The present invention provides a data processing method and a gateway system, which are applied to the gateway system. The gateway system includes: a GraphQL parser, a data loader, a batch data loader, a RESTful request template, a load balancer and a backend service program. This method can use GraphQL to provide services for clients, and at the same time has traffic segmentation, isolation, monitoring, and automatically discovers backend services in microservice clusters through service discovery, and communicates with backend services through RESTful, RPC, etc. methods. While taking advantage of the advantages of GraphQL, it hides its complexity and improves the development experience and system stability.

The invention discloses ultramicro filter membrane making wastewater treatment equipment, and relates to the technical field of membrane making wastewater treatment, the ultramicro filter membrane making wastewater treatment equipment comprises an ultramicro filter membrane wastewater treater, a pusher, water inlets, a fixed hoisting shell, a hoisting clamping buckle and an ultramicro filter membrane device, and the water inlets are formed in the outer surfaces of the two sides of the ultramicro filter membrane wastewater treater. A water source is filtered in cooperation with the permeable screen plate, sludge in sewage is blocked through the limiting water guide strips on the surface of the permeable screen plate, the sliding block slides on the outer surface of the sliding rod in cooperation with the collision of the sludge, and the collision of the sliding block is buffered through the elastic buffering wire at one end; the sewage treatment device has the characteristics of isolating sludge in sewage and reducing the speed of a water source flowing at a high speed, solves the problem that the sewage contains massive sludge and a film is impacted at an over-high flow speed, and achieves the effects of isolating the sludge in the sewage and reducing the speed of the water source flowing at the high speed.

The invention discloses an intelligent care beautifying and brightening mask and a preparation method thereof. The mask comprises the following components in percentage by mass: 1-80% of water, 0.2%-0.7% of propylene glycol, 0.2%-0.7% of polyglycerol-10, 1%-5% of a centella asiatica extract, 1%-5% of a polygonum cuspidatum root extract, 1%-5% of a scutellaria baicalensis root extract, 1%-5% of a tea leaf extract and 1%-5% of a glycyrrhiza glabra root extract. The mask has the beneficial effects that main raw materials are taken from centella asiatica, polygonum cuspidatum roots, scutellaria baicalensis roots, tea leaves, glycyrrhiza glabra roots, chamomilla recutita flowers and rosemary leaves, the main raw materials are combined to exert the maximum effect, the traditional Chinese medicine composition is free of cytotoxicity and relatively strong in anti-inflammatory effect, and the effects of preventing and relieving skin allergy can be achieved by regulating immunity and relieving and strengthening a skin barrier, the irritation of other allergic substances to the skin can be reduced for protecting the skin, the dry skin is moisturized and the water-oil balance of the skin is adjusted, a long-acting biological protection film can be formed on the surface of the skin through the sodium hyaluronate, and the mask has the effects of water locking, water storage, isolation, protection, slow release and the like.

The invention relates to a production method, in particular to a method for producing conductive geotextile. The method for producing the conductive geotextile comprises the steps of raw material selection, raw material screening, drying, fusion, spinning, cross air blow cooling, airflow drafting, swinging, net laying, mixed even feeding of metal fibers, carbon fibers and other short fibers, ironing conducted by a hot roller, shaping conducted by a pre-needle machine, reinforcing shaping conducted by a first main needle machine, repair shaping conducted by a second main needle machine, cloth containing conducted by a cloth containing machine, trimming and rolling. The geotextile produced according to the method for producing the conductive geotextile has the protective performance, the isolating performance, the waterproof performance, the filtering performance and the like of traditional geotextile, further has the conductive characteristic and is a good electrode material. According to the method for producing the conductive geotextile, the production technology is stable, control over the thickness of a material is good, the control range of the puncture density is large and is 50 to 500 stitches / cm<2>, the controllable range of the permeability performance of the material is large and is (1.0-9.9)*(10<-1>-10<-3>)cm / s, the strength of the product is high, and the thickness reaches 20mm.

The invention relates to a smoke automatic internal circulation low-nitrogen combustion system. The system consists of a low-nitrogen combustor and a hearth, wherein the low-nitrogen combustor comprises a cylindrical throat port, a gas spraying gun and a combustion assisting air channel; and the internal of the hearth is divided into an air and smoke mixing area leaning against a front port of thethroat port, a gun head limiting extension area positioned on the outer side of the air and smoke mixing area, and a gas combustion area in outer side surrounding space of the gun head limiting extension area. During working, high-temperature and high-pressure smoke, generated by oxygen consumption combustion in the gas combustion area and with lower oxygen content, is automatically returned to the air and smoke mixing area under the effect of pressure difference, is mixed with combustion assisting air, with higher oxygen content, in the area to generate air and smoke mixed combustion assisting gas with lower oxygen content and lower temperature, and is sent into the gas combustion area in a gas current direction to mix with gas, sprayed from the gun head limiting extension area, for low-NOx combustion; and the high-temperature and high-pressure smoke, generated by combustion and with low oxygen content, is returned to the air and smoke mixing area again along with the pressure difference to realize the smoke automatic internal circulation with the same effect with the low-nitrogen combustion under the condition of not adding external smoke circulating facilities, so that higher practicability is achieved.

The invention discloses an automobile skylight comprising a skylight frame, automobile roof glass arranged on the skylight frame, a sun-shading mechanism arranged on the inner side of the automobile roof glass and a driving mechanism used for driving the sun-shading mechanism. The sun-shading mechanism comprises a reel that is arranged on one side of the skylight frame and used for winding a sun-shading plate and a torsional spring used for driving the reel to rotate. The driving mechanism comprises a sliding groove formed in the lower end of the skylight frame, a driving screw rod rotationally arranged in the sliding groove, a driving motor used for driving the driving screw rod, and a driving block arranged in the sliding groove in a sliding mode. The sun-shading plate comprises sun-shading cloth and a guide rod, one end of the sun-shadingcloth is connected with the reel, the other end of the sun-shading cloth is connected with the guide rod, and one side of the guide rod is connected with the driving block. The automobile skylight is reasonable in structural design, convenient to operate, capable of guaranteeing that the streamline of an automobile is not damaged, low in damagerate of the automobile skylight, long in service life of the automobile skylight and capable of improving use comfort.

The invention discloses a broadband shunt with a gain buffer. The broadband shunt comprises a resistor unit, the gain buffer and a voltage output unit which are connected in sequence. The gain buffer comprises three stages of amplifiers. Input voltage is input into the negative input end of the first amplifier, the positive input end of the second amplifier and the positive input end of the third amplifier in parallel. The first amplifier outputs a feedback positive input end, the second amplifier outputs a feedback negative input end, and the third amplifier outputs a feedback negative input end; the first amplifier outputs to a DC power supply common end of the second amplifier, and the second amplifier outputs to a DC power supply common end of the third amplifier; a load resistor is connected between the output end of the third amplifier and the ground. The gain buffer comprises an unloading circuit which is connected between the output end of the second amplifier and the output end of the third amplifier, so that the third amplifier is in a non-loaded state. The invention further provides an adjusting method of the broadband shunt with the gain buffer. The problem that the low-current measurement precision is influenced by an electromagnetic environment is solved.

The invention discloses a composite type seal pneumatic door. The composite type seal pneumatic door comprises the structures of guide walking wheels, guide rails, a starting cylinder, a seal air inflation device, packing, a seal frame, a casing frame, abrasion-resistant baffles, independent double-rail baffles and the like, wherein guide walking wheels are fixed to the guide rails, the seal air inflation device is located on the upper side of the seal frame, the packing is located on the edge of the seal frame, the seal frame is arranged on the periphery of the casing frame, the abrasion-resistant baffles and the independent double-rail baffles are arranged along corresponding guide rails, the abrasion-resistant baffles are arranged on two layers and are arranged on the two sides of the independent double-rail baffles located in the middle of the casing frame, the two layers of the independent double-rail baffles move in parallel with the interval of 100mm, the distance between the independent double-rail baffles and the abrasion-resistant baffles on the two sides is 300mm, the packing is woven packing, and the opening and closing cylinder can independently control the abrasion-resistant baffles and the independent double-rail baffles. The composite type seal pneumatic door has the advantages of being reasonable in structure, easy and convenient to operate, high in processing quality, safe, reliable and the like. In addition, the working environment is good.

The invention relates to a magnetic phase change microcapsule and a preparation method thereof. The preparation method comprises: preparation of an oil-in-water emulsion, preparation of a prepolymer solution and in-situ polymerization; and the step of adding magnetic additives. The phase change microcapsule prepared by the present invention, its wall material can well protect the core material, make the phase change play a better role; and by doping Fe / Fe in the wall material 3 o 4 / CrO 2 Such magnetic materials will increase the thermal conductivity of the microcapsules, increase the latent heat of phase change, and at the same time endow them with magnetism, thereby realizing the functions of heat conduction, heat preservation, and magnetism.

The invention discloses a process for manufacturing a well-drilling casing pipe of an ice layer, and belongs to the technical field of ice layer well drilling. According to the process for manufacturing the well-drilling casing pipe of the ice layer, before conventional ice layer well drilling is carried out, firstly a hot-melting drill bit is used for drilling into the ice layer from an accumulated snow-snow layer in a hot-melting mode, in the process of drilling of the hot-melting drill bit, the accumulated snow-snow layer drilled by the drill bit is melted into water, and the hot-melting drill bit is lifted to the earth surface from the well bottom; after the hot-melting drill bit stops working, the water melted from the accumulated snow-snow layer is frozen into an impermeable whole ice column melted with the ice layer; conventional ice layer well-drilling working is carried out on the whole ice column to form the ice casing pipe, wherein the well-drilling diameter is smaller than that of the ice column. The ice casing pipe manufactured by means of the process has the advantages of isolating the accumulated snow-snow layer, preventing well-drilling liquid from leaking and protecting the environment.