65results about How to "Meet functional needs" patented technology

The invention relates to a porous material and a preparation method thereof, in particular to a technology in which silk fibroin is taken as a raw material to prepare porous three-dimensional materials. In the method, silk fibroin solution is injected into a metal mould, 1-24 hours of quick freezing is carried out on the solution at the low temperature of minus 10-minus 80 DEG C, thus obtaining afrozen body; the frozen body is preserved at the temperature of minus 5-minus 25 DEG C for 2-60 days, thus obtaining frozen crystalline solid; then the frozen crystalline solid is thawed and dried, thus obtaining the silk fibroin porous three-dimensional material. The silk fibroin of the porous material is fibroin I type crystal structure, therefore, the silk fibroin is insoluble in water and canbe completely degraded in a while and is finally degraded into nonpoisonous amino acid; the material of the invention has mutual run-through pores with aperture of 10-500 microns; the pores and pore diameter are relatively large, thus being suitable for growth of cells; meanwhile, in the process of preparation, no chemical cross linking agent, foaming agent or denaturing agent are needed, thus retaining fine biocompatibility of the silk fibroin.

The invention discloses a five-layered corrugated paper production line. The five-layered corrugated paper production line comprises a plurality of body paper racks used for unreeling body paper, facepaper preheating wheels, core paper preheating wheels, a single corrugated paper machine, an upward leading device, a double-layered paper rack, a conveying device, a triple preheating wheel, a pasting machine, a paper board forming machine, a driving device and an N.C. cutting and line pressing edge trimmer, wherein the face paper preheating wheels and the core paper preheating wheels are arranged between every two body paper racks; the single corrugated paper machine is used for roller forming of core paper and further compounding the core paper and face paper into single corrugated paper boards; the upward leading device and the double-layered paper rack are arranged above the single corrugated paper machine; the conveying device is used for conveying the single corrugated paper boards; the triple preheating wheel is used for preheating the single corrugated paper boards and the face paper; the pasting machine is used for pasting the face paper and two layers of the single corrugated paper boards; the paper board forming machine is used for compounding the face paper and the two layers of the single corrugated paper boards into a five-layered corrugated paper board; the drivingdevice is used for conveying the five-layered corrugated paper board; and the N.C. cutting and line pressing edge trimmer is used for shaping the five-layered corrugated paper board. By adoption of the five-layered corrugated paper production line, the corrugated paper board of a five-layered structure can be produced, and fixed-point notching treatment of the five-layered corrugated paper boardcan be conducted; and the automatic detecting and waste discharging functions are further achieved, and the number of discarded products in finished corrugated paper board products is decreased.

The invention discloses a water-insoluble silk fibroin porous material and a preparation method thereof. The preparation method comprises the following steps of: adding one or more kinds of salt solution into silk fibroin solution, mixing the solution uniformly and then injecting the mixture into a metal die, freezing the mixture for 24 hours at the temperature of between 10 DEC below zero and 80 DEG C below zero, performing freeze drying on the mixture, and treating the mixture at the temperature of between 4 and 120 DEG C under the environment with the humidity of 30 to 98 percent to form the water-insoluble silk fibroin porous material. The solution loss rate of the water-insoluble silk fibroin porous material in 37 DEG C water for 24 hours is below 2 percent, and the material can be fully degraded into no-toxicity amino acid; the material has large holes and apertures, and is suitable for the growth of cells; and meanwhile, any chemical cross-linking agent, foaming agent or denaturing agent and the like does not need to be added during preparation, so good biocompatibility of the silk fibroin is kept, and the silk fibroin can be used for wound recovery materials for cell culture, skin, bones and gristles and medicinal release-controlled materials for temporary coverage, tissue isolation and hemostasis and the like.

The invention discloses an antibacterial wash-and-wear fire-retardant finishing liquid which is prepared from the following raw materials in parts by weight: 10-15 parts of glyoxal, 10-15 parts of citric acid, 5-8 parts of cyclic phosphate, 5-8 parts of a licorice extract, 3-5 parts of chitosan, 2-3 parts of magnesium chloride, 2-3 parts of sodium hypophosphite, 1-2 parts of a penetrant, 1-2 parts of a coupling agent, 1-2 parts of a softener, 1-2 parts of ethylene glycol, 1-2 parts of a fiber protecting agent, 1-2 parts of a pH adjusting agent and 1-2 parts of a dispersant. The prepared multifunctional antibacterial finishing liquid is environment-friendly and free of pollution, has good efficacies of being wash-and-wear, shrink-proof, antibacterial and flame-retardant, and can meet the requirements of people on various functional aspects of textiles.

The invention discloses a multichannel two-way air valve used for gas charging or discharging for a plurality of independent gasbags, comprising a hand-operated knob, an upper cap, a sleeve with moving seal rubber lamination, a seal rubber lamination, a base and a clamping bolt, wherein the clamping structures of hand-operated knob and upper cap fix the hand-operated knob on the upper cap to rotate only clockwise or counterclockwise but not move up and down, the sleeve with moving seal rubber lamination and the seal rubber lamination are connected to be an integration by adhesion or welding, when the hand-operated knob rotates, the thread on the depressed structure in the middle of hand-operated knob can drive the sleeve with moving seal rubber lamination to move up and down with the seal rubber lamination to make the seal rubber lamination emerged or cover the inner gas ports of the air cocks connected with each gasbag, the only exit of the seal rubber lamination is a tubular structure arranged in the middle and connected with the inflator air cock. The invention has better air impermeability, practicability and easy operation.

The invention provides nickel-containing ferrite stainless steel smelted through laterite nickel ore and a preparation method thereof and belongs to the field of ferrous metallurgy. Basic components comprise 0.01-0.07 wt% of C, smaller than or equal to 0.8 wt% of Si, smaller than or equal to 0.8 wt% of Mn, 14-26 wt% of Cr, smaller than or equal to 1.6 wt% of Ni, smaller than or equal to 0.05 wt% of P, smaller than or equal to 0.030 wt% of S, 0.01-0.05 wt% of Al, smaller than or equal to 40 ppm of full O, and the balance Fe and inevitable impurity. The steel is based on the chromium-containingcharacteristic and the low-nickel characteristic of laterite nickel ore surface layer ore, effective components of resources are utilized for creating multiple kinds of nickel-containing ferrite stainless steel. The laterite nickel ore surface layer ore nearly abandoned is recycled and has value, according to the nickel-containing ferrite stainless steel, component adjustment and technology selection are carried out according to the needs of neutral salt mist corrosion resistance and pitting corrosion resistance, thus the functionality needs of multiple kinds of stainless steel can be met, andindustrialized production and use are benefitted.

The invention relates to a personnel and transport vehicle positioning method for a grain depot. The method includes the following steps: establishing a three-dimensional GIS electronic map of the grain depot and deploying the three-dimensional GIS electronic map to a network server; continuously obtaining position information of personnel and transport vehicles which need to be positioned, wherein the position information includes longitudes and latitudes and/or geographic coordinates of the personnel and transport vehicles which need to be positioned; through the position information, displaying positions of the personnel and transport vehicles on the three-dimensional GIS electronic map; and through a browser, logging in the network server and accessing the three-dimensional GIS electronic map which displays the positions of the personnel and transport vehicles which need to be positioned. The personnel and transport vehicle positioning method for the grain depot is capable of three-dimensional roaming on the whole grain depot area through the browser and carrying out positioning tracking on operating personnel so as to master operating conditions; and moreover, the method is capable of carrying out positioning tracking on vehicles which enter and exit the grain depot and related with grain transportation so as to realize safe storage of grain.

The invention discloses a production technology of cationic polyester and cotton blended yarn. The cationic polyester and cotton blended yarn comprises 65% of cationic polyester and 35% of cotton. According to the production technology, through working procedures such as opening and cleaning, cotton carding, drawing, vortex spinning and the like, fiber is spun into the yarn through a blending technology, and the problem that normal fiber is difficult to dye is solved. The cationic polyester and cotton blended yarn has the advantages that the product quality is excellent, the surface is bright and clean, the evenness is provided, and the hairness is low; a product processed from the cationic polyester and cotton blended yarn has abrasion resistance, fuzzing resistance, pilling resistance, uniform cloth surfaces and good moisture absorption, breathability and draping, and can meet the functional requirements of customers for fabric.

An arm-stretch type stretchable brake bar mechanism for gates is provided. The mechanism comprises a case (10) and a brake bar (20) and is characterized in that the brake bar (20) is formed by the detachable connection between a driving bar (21) and a driven bar (22). One end of the driving bar (21) is detachably connected with the driven bar (22) and the other end thereof is connected with a driving shaft in the upper part inside the case (10). The motion path of driving bar (21) is started from a static position in parallel to the longitudinal axis of the case, rotates counterclockwise and vertically at the junction point between the driving bar and a driving mechanism of the case (10) as pivot, and ended in the horizontal position. The motion path of driven bar (22) is started from a static position in parallel to the longitudinal axis of the case, and is moved counterclockwise and vertically by the driving bar (21) at the connection end thereof and simultaneously rotates clockwise round the hinge point and stops at the horizontal position, thereby defining a motion similar to that of the human arm stretching forwards from the chest.

An electronic potentiometer module having a complete operating characteristic and a function is an integrated multifunctional electronic potentiometer module formed by combining circuits for the electronic elements. The module is provided with all the characteristics of a mechanical potentiometer and the strong and abundant expansion properties and functions thereof. The module can be directly used in any place requiring the potentiometer. The performance index of the related product especially the nonvolatile and self-power-supply property can be promoted, so as to use the potentiometer module as a mechanical potentiometer. The self-scaled or digital display, multi-coupling sync output, multiple output modes and output properties, multiple output regulating methods, multiple control circuits and multiple input output interface functions are all fit for the requirement of the development of modern electronic technique on the application of the potentiometer.

A plug with an unplugging assisting function comprises a plug body and conductive terminals. A button assembly, two transmission parts and a pushing portion are arranged on the plug body. The button assembly comprises two buttons and a spring, the buttons are symmetrically arranged on two sides of the plug body, the spring is arranged between the upper ends of the two buttons, and the lower end of each button is of sectorial gear structures. Each transmission part is a transmission gear set comprising a gearwheel and a pinion transmitting coaxially, the two transmission parts are respectively correspondingly arranged at the lower ends of the two buttons and are respectively mounted on the plug body through a positioning shaft, sectorial gear structures of the lower ends of the buttons are meshed with the pinions of the corresponding transmission gear sets. The pushing portion is mounted on the outer side of the front end of the plug body and forms a sliding matching relation with the plug body through the outer side and the inner side as well as a guide groove and a guide rack, the inner wall of the pushing portion is provided with a rack structure which is longitudinally disposed and is meshed with the gearwheel of the transmission gear set at the corresponding position, the pushing portion is driven to move back and forth along the plug body by rotation of the gearwheel, the front end of the pushing portion contacts with the surface of a socket. The plug with the unplugging assisting function has the advantages of convenience, quickness, labor saving and safety in unplugging.

The invention discloses a DIN type intermodulation waterproof electric bridge, relating to the electric technology field. The DIN type intermodulation waterproof electric bridge consists of a lower cavity, an inner cover plate and an outer cover plate. An inner cover plate is arranged above the lower cavity body; the outer cover plate is arranged above the inner cover plate; a waterproof groove is arranged between the inner cover plate and the lower cavity; a microstrip line is arranged inside the cavity; the upper side and the lower side of the microstripe are provided with medium plates; and the outside of the medium plates are provided with additional medium plates. The DIN type intermodulation waterproof electric bridge disclosed by the invention is high in power, and can enter and exit at the same time, third-order intermodulation and waterproof function can be achieved, so that functional requirements are satisfied, and the production cost is also lowered.

The invention discloses a crawler-type chassis for an agricultural machine. A left annular crawler structure and a right annular crawler structure are respectively connected to two sides of a chassis rack, wherein each of the left annular crawler structure and the right annular crawler structure comprises an annular crawler; a driven wheel set which consists of a front pulley, a rear pulley, bottom pulleys and two top pulleys is arranged in each annular crawler, and the top pulleys are positioned at the top of the inner side of each annular crawler and support each annular crawler upwards; a driving wheel is arranged at the top of the outer side of each annular crawler in a meshing manner, and the driving wheel is positioned between supporting positions of the two top pulleys and compresses the annular crawler from top to bottom, so that a circular arc is formed at the top of each annular crawler, and requirements for the transmission wrap angle of external teeth of the driving wheel are met; two support legs are respectively arranged on two sides of the chassis rack so as to support the two top pulleys of the left annular crawler structure and the two top pulleys of the right annular crawler structure; when the height of the support legs is adjusted, the height of the chassis rack above the ground can be adjusted; a speed change gear box is arranged between the left annular crawler structure and the right annular crawler structure; output shafts of the speed change gear box are respectively connected with the driving wheel of the left annular crawler structure and the driving wheel of the right annular crawler structure. The agricultural machine with the crawler-type chassis can turn by 90 degrees in situ or turn round by 180 degrees in situ.

The invention discloses a universal electronic potentiometer module. Functional circuits such as a key switch, a square generator, an accelerating circuit, a keystroke distinguishing circuit, a counter, an NPN-typed triode array with the collector open and a resistance network and the like are electrically connected to form a complete electronic potentiometer apparatus which outputs a passive power to realize the function of a common potentiometer and expand new functions. The invention has a resistance output mode and a voltage output mode, can also lead an output value to be passively adjusted or reversely adjusted; the modes and functions can lead the module to be very easily and directly connected with other various external active circuits, and are broadly applied to various electronic fields. The technical principle construction realizing method of the invention is as follow: 1) using separated elements and small scale integrated circuits; 2) using the singlechip like AT89C2051 as a core; 3) integrating the function components and elements which can be integrated.

The invention discloses a building method of a composite landscape wall. The method is technical characterized in that planting pools are arranged on one side or two sides of a wall body, a mural or embossment is arranged at the position, above the planting pools, of the surface of the wall body, the planting pools are filled with planting soil, and artificial hill stone, ground cover plants and arbors are arranged on the planting soil. The functional reflections of composite landscape wall built through the method to the space structure are shown in the following two aspects: the composite landscape wall can create space multiplicity, particularly, when the landscape wall environment needs to show the theme through space through space richness, a single landscape wall can only build a relatively single space, however, the composite landscape wall can divide the space to meet functional requirements through rich multiple spaces; the composite landscape wall can reflect space flowability more easily, particularly, due to the fact that the composite landscape wall is composed of multiple sets of landscape walls or scene building elements, spaces are mutually infiltrated and connected, and the dynamic flowing space can be more easily reflected; a large number of anions can be released, and air is effectively purified.

The invention discloses a construction method for a passive water tank of a nuclear power plant. The construction method comprises the following steps that a steel structure supporting module, a bottom floor slab semi-steel plate concrete structure module, a stainless steel plate covered semi-steel plate concrete structure module, a barrel body steel plate concrete structure module and top floor slab semi-steel plate concrete structure modules required by the construction of the passive water tank are precast according to construction requirements and are transported to a containment shell construction site; the steel structure supporting module, the bottom floor slab semi-steel plate concrete structure module, the stainless steel plate covered semi-steel plate concrete structure module and the barrel body steel plate concrete structure module are sequentially hoisted, positioned, but jointed, welded and supported, and concrete is poured in time; after heat exchanger equipment is introduced, the top floor slab semi-steel plate concrete structure modules are hoisted in sequence, and upper concrete is poured to the semi-steel plate concrete structure module; the passive water tank bottom stainless steel covered surface is laid and welded; and the passive water tank and a heat exchanger are transferred.

The invention discloses a preparation method of a conductive composite glass fiber yarn. The conductive composite glass fiber yarn is prepared by pyrophyllite, kaolin, quartz sand, mirabilite, borax,dolomite, graphite oxide, N,N-dimethylformamide, hydriodic acid, acetic acid, calcium hydroxide, ferrous sulfate, hydroxypropyl methyl celluloses and other raw materials. The preparation method disclosed by the invention has the benefits that the glass fiber yarn is prepared by melting and wire-drawing the pyrophyllite, the kaolin, the quartz sand and the other raw materials; the negatively-charged graphite oxide coats the glass fiber surface under the action of electrostatic adsorption; subsequently, the graphite oxide coating the glass fiber surface is reduced by adopting the hydroiodic acidto obtain a graphite-coated glass fiber composite conductive material; finally, the obtained glass fiber yarn has excellent compressive strength, flexural strength and ideal electrical conductivity and has a wide application prospect as a conductive fabric resistant to electromagnetic radiation; meanwhile, the preparation process is simple and easy to implement, the raw materials are cheap and easy to obtain, and the demands of people on the functionality of the glass fiber yarn are met.

The invention relates to an intelligent VR experience device conveniently moving for a building engineering design; the intelligent VR experience device comprises a top plate, a main machine, a helmet, a connecting mechanism and two supporting mechanisms; the support mechanisms comprise base plates, support plates, lifting assemblies, and moving assemblies; the lifting assemblies comprise drivingunits, expansion brackets, hinged blocks, sliding rings, and sliding rails; the connecting mechanism comprises a first sliding rod, the second sliding rod, a cable, a center block, a connecting rod, adetection plate, a reset assembly, multiple first sliding blocks and multiple second sliding blocks; the intelligent VR experience device conveniently moving for the building engineering design can also adjust the height of the support plates flexibly in the process of device moving driven by the supporting mechanisms so as to change building model data of the main engine conveniently and the helmet wearing. Not only that, the cable is always located above the helmet through the connecting mechanism to prevent a user from tripping by the cable, thus facilitating moving of the user, the senseof VR experience is strengthened, and the practicality of the device is improved.