843results about How to "Arranged in order" patented technology

A nano-class polylactic acid-montmorillonie composition is prepared from polylactic acid, organically modified montmorillonite with different interlayer gaps, compatibilizer and antioxidizing agent through fusing and mixing polylactic acid with said montmorillonite to obtain mother material, and fusing and mixing the mother material with polylactic acid. Its advantages are high mechanical performance, resistance to high temp and biodegradability.

The invention discloses a graphene fiber and a preparation method thereof, wherein the graphene fiber is a composite fiber obtained by doping graphene fiber with metal nanowires, the composite fiber comprises the main components of graphene and the metal nanowires, wherein the mass ratio of the metal nanowires is 0.1% ~ 50%, the graphene is in lamellar morphology, and the metal nanowires and the graphene layers are parallelly and simultaneously arranged along the axial direction of the graphene fiber. The metal nanowire doped graphene fiber is a new high performance and multifunctional fiber material, by doping of the metal nanowires, fiber conductive rate is greatly improved, meanwhile the graphene fiber exhibits good tensile strength and excellent toughness, has the very strong potential application value in many fields such as use as lightweight flexible wires and the like.

The invention provides an individualized network advertisement pushing method, comprising the following steps of: establishing an advertisement database of advertisement information needing to be pushed, extracting a title of each advertisement as a keyword and classifying the advertisements to be pushed by virtue of a clustering algorithm; obtaining advertisement pages browsed by a user, extracting subjects and texts of the advertisements and obtaining an advertisement pushing manner; and dynamically updating an interest model of the user according to that whether the user reads advertisement information recommended by a sub interest model or not. The individualized network advertisement pushing method has the advantages of meeting individualization requirements of the user, saving system resources and having a good recommending effect.

The invention discloses a preparation method of a reinforced composite wear-resistant lining board of a precast framework. The prepared reinforced composite wear-resistant lining board is formed by compounding a framework reinforced body containing hard phases and base body metal. The preparation method comprises the following steps: adopting a framework precast body made of tube wires filled with hard materials, performing the vacuum high-temperature sintering, forming the framework reinforced body containing hard phases, and leading the framework reinforced body to perform the metal casting composite molding with the base body metal, so as to form the lining board formed by compounding the framework reinforced body containing hard phases and the base body metal. The framework reinforced body is performed by the vacuum high-temperature sintering to form a complete metallurgical texture structure, which has order arrangement, uniform distribution, stable performance and strong integrity, can always keep complete framework structure after compounding with the base body metal, thereby developing the high wear-resistance of the hard phases in the framework reinforced body, and keeping better flexibility of the base body metal. The reinforced composite wear-resistant lining board can be compounded locally or gradiently, or integrally, and can be widely applied to wear-resistant fields of mine, electricity, metallurgy, coal, building materials, and the like.

The invention discloses an implementation method of a selective laser sintering (SLS) technology and a fiber implantation device. The implementation method comprises the following steps: when sintering, implanting fibrous layers which are composed of fibers with high length-diameter ratio and ordered arrangement into sintered powder, wherein after sintering, the fibrous layers are wrapped in the sintered molded piece, specifically, the fibrous layers can be formed by sequentially arranging fiber yarns or fiber bundles and the like in the sintered powder layers by virtue of the fiber implantation device or paving fiber clothes or fiber felts. According to the implementation method of selective laser sintering technology disclosed by the invention, every sintered layer is implanted with the fibrous layer composed of fibers with high length-diameter ratio and ordered arrangement, compared with the condition that short and unordered fibers are mixed in the sintered powder in the prior art, the method disclosed by the invention has the advantages that the length-diameter ratios of the fibers in the sintered layer are greatly increased, and the fibers are arranged in order, so that the strength of a molded piece is greatly improved, and thus the molded piece can meet the use requirement with higher strength.

The preparation process of mesoporous spherical nano SiO2 particle includes mixing deionized water, CTAB, tetraethyl metasilicate, water solution or ammonia water solution of sodium hydroxide and alcohol solvent in certain proportion; heating reaction of the mixture inside PTFE reactor with protecting stainless steel casing and set in stove with blower; filtering of the reacted solution; washing and high temperature roasting to obtain mesoporous spherical nano SiO2 particle with homogeneous size. The process of the present invention is simple, low in cost and short in production period, and the prepared mesoporous spherical nano SiO2 particle is homogeneous in size, regular in appearance and ordered in pore channel.

The invention belongs to the technical field of new materials and discloses a weather-resistant metal type powder coating for aluminum profiles and a preparation method thereof. The coating is prepared from the following raw materials in percentage by weight: 91.2-95% of weather-resistant polyester transparent powder coating, 4.2-8% of metal pigment and 0.4-0.8% of auxiliary. The preparation method comprises the following steps of: putting the weather-resistant polyester transparent powder coating, the metal pigment and the auxiliary into a bonding equipment mixing cylinder for bonding; warming and starting to stir; cooling after thermal insulation; and discharging and packaging to obtain the product.

The invention discloses a method for preparing a graphene oxide-chitosan composite material. The method includes the steps that a chitosan solution is prepared; secondly, a graphene oxide solution is prepared, a 1-ethyl-(3-dimethylaminopropyl)carbodiimide (EDC) solution is added into the graphene oxide solution during stirring, stirring reaction is conducted after dropwise addition, then an N-hydroxyl succinimide (NHS) solution is dropwise added into the graphene oxide solution, stirring reaction is conducted, and an activated hydroxyl graphene oxide solution is obtained; thirdly, the activated hydroxyl graphene oxide solution is dropwise added into the chitosan solution and stirred, the mixture is poured into a mould after being cooled to room temperature, and the cross-linked graphene oxide-chitosan composite material is obtained after freezing drying. The novel graphene oxide-chitosan composite material having an interface bonding function is provided, compared with non-cross-linked composite materials, mechanical properties of the composite material are greatly improved, and use of the composite material in the aspect of the bone induction technology is achieved.

The invention discloses a long carbon fiber enhanced high-heat-conductivity polymer composite, which is made of, by weight, from 10 to 80 parts of long carbon fiber enhanced thermoplastic resin masterbatch and from 20 to 90 parts of heat-conducting masterbatch by means of mixing. The long carbon fiber enhanced thermoplastic resin masterbatch is made of from 30 to 80 parts of first thermoplastic resin, from 20 to 70 parts of continuous long carbon fibers, from 0.5 to 2 parts of first coupling agent, from 0.3 to 0.5 part of first antioxidant and from 0.5 to 1 part of first processing aid by means of pultrusion. The heat-conducting masterbatch is made of from 30 to 80 parts of second thermoplastic resin, from 20 to 70 parts of heat-conducting agent, from 0.5 to 2 parts of second coupling agent, from 0.3 to 0.5 part of second antioxidant and from 0.5 to 1 part of second processing aid by means of traditional extrusion process. The long carbon fiber enhanced high-heat-conductivity polymer composite has excellent heat conductivity and mechanical property, and continuity of a heat-conducting network can be effectively improved by means of the long carbon fibers.

The invention discloses a PCR (Polymerase Chain Reaction) chip based on droplet array. The chip is obtained by taking a mono crystalline silicon sheet or a glass sheet as a base material and adopting standard photoetching as well as wet etching technique. The mono crystalline silicon sheet or the glass sheet is the base material of the chip. A SiO2 oxide layer and a silane layer generated by silanization on the surface of the SiO2 oxide layer are adhered to the base material successively. A hydrophilic pit array, which can be a droplet array and is formed by etching with photoresist technology, is disposed on the silane layer. A closed circular guardrail is arranged on the outer periphery of the hydrophilic pit array and the guardrail is connected with the silane layer in a sealed manner. The invention also discloses the application of the chip on real-time quantitative PCR detection and real-time quantitative isothermal amplification reaction detection. The detection system provided in the invention remarkably reduces the reaction volume and the detection sensitivity of the system fairly equals that of a commercialized quantitative PCR instrument. The detection system in the invention is easy for operation and has low cost, thus can be applied to commercialization.

The invention discloses an automatic rope distributing and discharging device of a winch, which comprises a speed-setting box and a rope discharging mechanism, wherein the rope discharging mechanism comprises a bidirectional screw, a ratchet shaft, a rope driving wheel, a rope pressing wheel and a slide block, the rope driving wheel is arranged on the ratchet shaft, the rope pressing wheel is correspondingly arranged outside the rope driving wheel, two sides of the rope pressing wheel are provided with compacting devices, the slide block is arranged on the bidirectional screw, and a ratchet pin is arranged between the rope driving wheel and the ratchet shaft. The invention has novel design, reasonable structure and high safety property, can not only lead a rope to be automatically sequentially distributed on a winding drum, can lead the rope to be forcedly driven out when placing the rope, and can be applied to various winches used under different conditions and environments.

The invention discloses a cholesteric liquid crystal display device with an adjustable reflection bandwidth. The cholesteric liquid crystal display device comprises two transparent substrates and a liquid crystal layer, the first transparent substrate, the liquid crystal layer and the second transparent substrate are sequentially arranged from top to bottom, the liquid crystal layer consists of gelators, chiral ionic liquid, a chiral agent and nematic liquid crystal, and the nematic liquid crystal is negative liquid crystal. The chiral ionic liquid and the gelators are added into liquid crystal composition, spatial distribution of the chiral ionic liquid is controlled by an electric field, screw pitch gradient is formed, the gelators form a fiber network structure when the temperature is lower than gelatin temperature, the screw pitch gradient is stabilized, and accordingly the reflection bandwidth is broadened; and the reflection bandwidth of the cholesteric liquid crystal device can be dynamically and reversibly adjusted by the aid of a cooperating effect of the electric field and the temperature.

The invention discloses a porous ceramics and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a sizing agent with solid content of 2-30 percent by sodium alginate and ceramic powder; (2) injecting the sizing agent obtained in the step (1) into a mold, spraying a firming agent and obtaining a wet greenware A after demoulding; (3) obtaining a wet greenware B after dehydrating the wet greenware A obtained in the step (2) in a sour environment; (4) obtaining a wet greenware C after performing solvent exchange on the wet greenware B obtained in the step (3); and (5) obtaining the porous ceramics after drying and sintering the wet greenware C obtained in the step (4). The sample of the porous ceramics has high and controllable open porosity of 40-80 percent and has higher strength, thereby being capable of satisfying the requirements of machine tooling and use.

The invention discloses a full-color reflection type smectic liquid crystal display device with high contrast, which comprises a reflecting layer. A first dye liquid crystal hybrid display module, a second dye liquid crystal hybrid display module and a third dye liquid crystal hybrid display module are orderly superposed on the reflecting layer; and a first liquid crystal display module is superposed on the third dye liquid crystal hybrid display module. The full-color reflection type smectic liquid crystal display device with the high contrast has the advantages of rich color display effects,high screen reflectivity, white/black contrast of over 6:1, multistable characteristic, low energy consumption, high image refreshing speed and good environmental protection performance.

The invention provides a method for preparing a gelatin/nano-silver/chitosan derivative composite film. The composite film is prepared by the following steps: by taking gelatin as a main raw material, heating to raise the temperature for dissolving gelatin particles, preparing gelatin/nano-silver sol through an in-situ reduction method, and preparing a gelatin/nano-silver film by adopting a self-assembling method in the solution; assembling a chitosan derivative macromolecule on the surface of the gelatin/nano-silver film by further adopting an electrostatic self-assembling method, and thus preparing the gelatin/nano-silver/chitosan derivative antibacterial composite film. The composite film has high biocompatibility and high antibacterial and bactericidal performance and is environment-friendly. Moreover, because the main raw material is gelatin, the composite film is rich in source, low in price, and good in film-forming property and has wide application prospects in aspects such as human skin, medical antibiosis and hemostatic materials. Meanwhile, the composite film is simple in preparation process and low in equipment requirement.

The invention discloses equipment for enabling a copper pipe to pass through a fin of a condenser. The equipment comprises a support, as well as a push plate driving system, a copper pipe collector, a fin collecting disc and a traction device which are sequentially positioned on the support, wherein the copper pipe is placed on a supporting base of the copper pipe collector, and clearance layers formed between clapboards or partition posts are stacked; a push plate passes through the upper part of the supporting base which can reciprocate up and down so as to push the copper pipe into the fin hole of the fin collecting disc; meanwhile a draw rod enters into the fin hole from the other side of the fin collecting disc under the effect of a guide mechanism, so as to draw the copper pipe, and a drawing head is inserted into the opening end of the copper pipe; when the draw rod is retreated from the fin hole, the copper pipe is synchronously guided into the fin hole, after that, the push plate and the draw rod are reset, the upper-layer copper pipe orderly falls to the supporting base so as to be subjected to the next round of pipe passing. The equipment is simple in operation and high in stability and safety, and can be used for improving the pipe passing efficiency and the alignment accuracy, reducing the equipment stagnation period in a pipe passing process and reducing the human cost and the equipment loss.

The invention provides a preparation method of a ferromagnetic nanowire array, which comprises the following steps of: providing a substrate, and carrying out activating treatment on the substrate; configuring reaction precursor solution for depositing the ferromagnetic nanowire array, wherein the reaction precursor solution comprises salt solution of which the concentration is greater than 0 and smaller than or equal to 1mol/L and reducing agent solution of which the concentration is greater than 0 and smaller than or equal to 1mol/L, the salt solution comprises ferromagnetic metal salt, a complexing agent and precious metal salt or acid; providing a reaction vessel, and placing the activated substrate in the reaction vessel; applying a parallel magnetic field, wherein the magnetic field direction of the parallel magnetic field is perpendicular to the plane where the substrate is positioned; and adding the reaction precursor solution into the reaction vessel, and heating the solution to perform a reaction so as to prepare and form the ferromagnetic nanowire array on the substrate. According to the novel non-template preparation method provided by the invention, arrangement of ferromagnetic nano particles and the process in which the metal salt of the ferromagnetic nano particles is reduced are controlled to be synchronously carried out by the magnetic field so as to prepare and form the ferromagnetic nanowire array.

The invention discloses an automatic arranging and feeding device. The device is characterized by comprising a storage bin (1) which is in a funnel shape and is used for accommodating rod and shaft like products, a material port (1.1) is formed in the bottom of the storage bin (1), the bottom of the material port (1.1) is provided with a material ejecting block (2) which is capable of ejecting a product of the storage bin (1) to be attached to the side wall of the storage bin (1) to move upwards, the device further comprises a first conveying rail (3) which is obliquely arranged and a second conveying rail (4) which is vertically arranged, wherein the first conveying rail (3) and the second conveying rail (4) are used for allowing a single-row product to pass through, the top end of the first conveying rail (3) is connected with the storage bin (1), the bottom top end of the first conveying rail (3) is connected with the top end of the second conveying rail (4), and a material distributing mechanism and a material falling mechanism are both connected to a driving mechanism which linearly stretch and retract back and forth. The device is simple in structure, good in reliability andgood in safety, and can be mounted on an existing machine tool, and the transverse distance is not added.

The invention discloses a pile-site-free type parking management system and a method. The system comprises an information manager, a lockout sensor, a bicycle lock and at least one set of parking sensor units. Each parking sensor unit is composed of a pair of sensors and a sensing member. The sensors and the sensing member are respectively arranged on any one of a bicycle or the ground. The parking sensor unit supplies the parking sensor information to the information manager. The lockout sensor supplies the lockout information to the information manager. The information manager is arranged on a ground machine station or a bicycle, and the parking state can be managed. According to the technical scheme of the invention, no bicycle locking pile is arranged at a bicycle rental station, so that the space is greatly saved. Through arranging more than one parking sensor unit, bicycles, returned and automatically parked in the bicycle rental station by users, can be orderly and neatly arranged in the unattended manner. Therefore, the operation cost is effectively reduced, and the labor cost investment is lowered. the aesthetic property of the city appearance is improved.

The invention discloses a process for preparing a kind of gallium nitride nanoline of high purity, which employs gallium oxide (Ga2O3) as raw material, alkaline air (NH3) as reacting gas, inert gas argon gas (Ar) as protective gas, silicon board as base carrier for product growing, absolute ethyl alcohol, acetone and deionized water as cleaning agent for the sicicon board, and employs no accelerating agent; the gallium nitride nanoline grows out under the temperature of 950 Deg C and on the silicon board through ammonification reaction; the preparing process is simplified by grinding, sifting the raw material, cleaning the silicon board and quartz material, controlling the air extraction, argon gas and alkaline air inputting by tubing high temperature furnace control device procedurally, which prevents the side product generating effectively and increases the product outcome, purity and quality and finally getting the gallium nitride nanoline of light yellow, solid and in linary shape; the product is characterized by the uniform shape, order arrangement, and stable optical, chemical and physical property; the invention is characterized by the short preparing process, high yield (reaching to 95%), high purity (reaching to 98.6%) and the high linary accuracy, with the diameter being 5-20 cm, the average length of the monoline 30-50 ª–m.

The invention provides a data updating method in a comparison system, which comprises the steps of: creating an internal memory cache region in a physical internal memory, and loading updated data and information items thereof in the internal memory cache region; and looking up a corresponding current index in a local disk according to the information items, and performing an updating operation. In order to realize the data updating method in comparison system, the invention also provides a data updating device in comparison system, which comprises a creating unit used for creating the internal memory cache region in the physical internal memory; a loading unit used for loading the updated data and the information items thereof in the internal memory cache region; a searching unit used for looking up the corresponding current index in the local disk according to the information items; and an updating unit used for performing the updating operation. The data updating method in comparison system and the data updating device in comparison system have the advantages of avoiding large scale data updating delay, and comparing the updated data in real time so as to obtain a more accurate comparison result.