844results 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 belongs to the field of advanced nano-sized porous materials and techniques, in particular relates to an ordered mesoporous metal oxide material with ultra-large aperture and a preparation method thereof. According to the invention, a block copolymer with ultrahigh-molecular-weight hydrophobic segments is used as a template agent for the mesoporous material, and based on the principle of ligand-assisted self-assembly, the microphase separation of the ultrahigh-molecular-weight hydrophobic segments from hydrophilic phases occurs during the solvent evaporation process, to form an ordered mesoscopic structure. A variety of materials are used for synthesizing the mesoporous material, such as titanium dioxide, aluminum oxide and zinc oxide. The synthesized mesoporous material retains the order of mesopores and has an extremely large aperture not less than 20 nm. The invention provides an effective and convenient method for synthesizing ultra-large aperture mesoporous materials. The material and the synthesis method of the material have wide application prospect in various fields. The method is simple, has easily-available raw materials, and is suitable for large-scale production.

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 polar electricity dust removing device with bagged dust collection, which comprises a dust remover shell, a smoke gas inlet, a uniform air board, a smoke gas outlet, dust buckets, filtering bags, electrode wires and a high-voltage insulating compartment, wherein, a plurality of rows of cloth bags are evenly arranged at interval inside the shell, and the high-voltage electrode wires are arranged at the circle center of a concentric circle of every four cloth bags and connected with a power source through the high-voltage insulating compartment arranged at the top of a dust remover; the uniform air board is arranged under a plurality of rows of filtering bags at the lateral wall of the dust remover shell close to the smoke gas inlet, multiple levels of dust buckets are arranged under the multiple rows of filtering bags, and the smoke gas outlet is arranged above the multiple rows of filtering bags at the lateral wall of the dust remover shell. The polar electricity dust removing device with bagged dust collection has the advantages of simple and unique structure, superior technical performance, smaller resistance, effective overcoming of the reverse corona phenomenon and good dust removing effect, etc. The polar electricity dust removing device with bagged dust collection improves the integral dust removing efficiency under the agglomeration action of electrostatic fields and the interception action of the cloth bags, effectively protects the filtering bags from being burned out by discharge sparks by adopting protective cage structure, and reduces device cost by substituting the steel polar plates with the filtering bags.

The invention, belonging to the technical field of polyphenylene sulfide (PPS) composite material, discloses a long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and a preparation method thereof. The composite material disclosed herein comprises the following ingredients: 30-80 weight parts of long glass fiber reinforced PPS masterbatch, and 20-70 weight parts of electrically and thermally conductive masterbatch, wherein the long glass fiber reinforced PPS masterbatch comprises 40-80 weight parts of PPS, 20-60 weight parts of continuous long glass fiber, 0.5-2 weight parts of first coupling agent, 0.3-0.5weight parts of first antioxidant, and 0.5-1 weight parts of first processing aid; and the electrically and thermally conductive masterbatch comprises 50-80 weight parts of PPS, 20-50 weight parts of electrically and thermally conductive agent, 0.5-2 weight parts of second coupling agent, 0.3-0.5 weight parts of second antioxidant, and 0.5-1 weight parts of processing aid. The preparation method disclosed herein comprises the following steps: mixing 30-80 weight parts of long glass fiber reinforced PPS masterbatch and 20-70 weight parts of electrically and thermally conductive masterbatch to prepare the long glass fiber reinforced thermal insulation polyphenylene sulfide composite material. The composite material disclosed herein has excellent thermal conducting property and mechanical property.

The invention relates to a method for manufacturing a cobalt nickel lithium manganate oxide as a gradient anode active material of a lithium ion battery, belonging to the technical field of manufacturing the anode material of the lithium ion battery. In the method, a metal ion mixed solution with incremental Co<2+> concentrations is divided into multiple liquid-phase systems to realize coprecipitation for many times so as to manufacture NixCoyMn(l-x-y)(OH)2; the NixCoyMn(l-x-y)(OH)2 is taken as a precursor; and a high-temperature solid-phase reaction is utilized to obtain layered LiNixCoyMn(l-x-y)O2 with gradient Co content. The crystal lattice framework of the anode material with the gradient Co content manufactured by the method is more stable and the cation syncopation degree is reduced, so that the charge-discharge capacity and the cycle efficiency of the anode material are improved, thus the anode material has good electrochemical performances and can be applied to lithium ion batteries widely.

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 discloses a recoatable UV-curing colored one-step-coating aluminum powder paint and a preparation method thereof. The paint is prepared from the following components in parts by weight: 20-45 parts of photosensitive acrylate prepolymer, 15-25 parts of modified acrylate resin, 10-20 parts of reactive acrylate monomer, 3-7 parts of photoinitiator, 4-8 parts of aluminum powder, 3-7 parts of aluminum powder orienting agent, 0.3-0.7 part of assistant, 0-6 parts of pigment and 15-30 parts of mixed solvent. The paint can be used for ABS (acrylonitrile-butadiene-styrene), PC (polycarbonate), PE (polyethylene), PP (polypropylene), PVC (polyvinyl chloride) and other plastic substrates, and thus, has wide applicability; the paint has the characteristics of high UV curing speed, low VOC (volatile organic compound) content, energy saving and environment friendliness; the paint is simple in construction technique, does not need any additional curing agent, and can achieve the effects of favorable leveling property, orderly aluminum powder arrangement and the like; the coating has the advantages of high hardness, favorable wear resistance, favorable solvent resistance and bright and adjustable color, and can satisfy the demands for protection and decoration by one coating step; and the paint can be recoated repeatedly, and has excellent adhesive force and metal sensation.

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 relates to a dinucleotide-labelled ratio electrochemical immunosensor. The dinucleotide-labelled ratio electrochemical immunosensor is characterized in that DNA3 of sulfydryl and ferrocene are respectively labelled at the two assembled ends of the surface of a gold electrode and are hybridized with methylene-blue-labelled complementary DNA1-antibody1 so as to form a ratio electrochemical immunosensor interface. When target protein exists, a DNA2-antibody2, the target protein and the DNA1-antibody1 form sandwiched immune complex to generate a vicinal effect, and DNA2 is hybridized with DNA1, so that the DNA1-antibody1 is separated from a sensing interface, and freed DNA3 forms a hairpin structure on the surface. In the process, methylene blue and the ferrocene with electrochemical activity are separated from and close to the surface of the electrode respectively, and the oxidized electric currents of the methylene blue and the ferrocene are reduced and increased respectively. By detecting the ratio of the two currents, the concentration of the target protein in the solution is detected. The immunosensor is high in sensitivity, wide in the detection range, realizes fast and one-step detection of protein, and has clinical application value.

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 belongs to the field of fruit tree cultivation and fruit tree ecology and relates to a double-sector trellis cultivation type pear tree form and a shaping method thereof. Only two principal branches are reserved on a pear tree, a 90-degree included angle is formed between the two principal branches which are fixed to a Y-shaped support, and the two principal branches are symmetrically spread towards the space between lines; a base lateral branch is arranged on each of the two sides of the base of each principal branch, and a plurality of monopodium non-pruning type bearing branch groups are evenly arranged on and above the middle portion of each principle branch in a stagger mode; a 90-degree side angle is formed between each base lateral branch and the corresponding principal branch; a 90-degree base angle is formed between each monopodium non-pruning type bearing branch group and the corresponding principle branch, and the monopodium non-pruning type bearing branch groups are spread in parallel in the line direction; lateral branch bearing branch groups are formed on the base lateral branches through bud carving and non-pruning; weak shoots are taken as the main part of each principal branch, and the crown is spread to be sectors on the two sides of the Y-shaped support. The shaping method comprises the steps of erecting the Y-shaped support and a steel wire gauze surface, shaping at the first year, shaping at the second year and shaping at the third year. The method is convenient to operate and remarkable in effect.

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 cement-based lightweight foam composite material and a preparation method thereof. The cement-based lightweight foam composite material is prepared from, by weight, 100-150 parts of Portland cement, 30-45 parts of fine sand, 40-50 parts of water, 0.4-0.6 part of foaming agent, 0.3-0.5 part of foam stabilizing agent and 10-15 parts of oxidized graphene nano lamellar suspension liquid. The preparation method includes: well mixing the Portland cement and the fine sand, sequentially adding the water, the foaming agent, the foam stabilizing agent and the oxidized graphene nano lamellar suspension liquid, and mixing for foaming to obtain foam slurry; injecting the foam slurry into a mould to realize moulding, and respectively curing for 2h at the temperature of 30 DEG C, 40 DEG C and 30 DEG C to obtain the cement-based lightweight foam composite material. Compressive strength of the cement-based lightweight foam composite material with the density being 0.6-0.7g / cm<3> is larger than 2.5MPa, and various constructional engineering requirements can be met.

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 discloses a rope-guiding hydraulic winch. The rope-guiding hydraulic winch comprises an automatic rope aligning device. The automatic rope aligning device comprises a reciprocating shaft, a guide shaft and a rope aligning base. The reciprocating shaft and the guide shaft are arranged on the circumferential outer side of a winding drum and are parallel to the axial direction of the winding drum. A bidirectional spiral groove is formed in the reciprocating shaft. A meshed tooth is arranged on the rope aligning base and meshed with the bidirectional spiral groove. A rope aligning hole for a steel wire rope to penetrate through is formed in the rope aligning base. A guide hole is formed in the rope aligning base and is in sliding fit with the guide shaft. While the reciprocating shaft synchronously rotates along with the winding drum, the rope aligning base moves in the axial direction of the reciprocating shaft and drives the steel wire rope on the rope aligning base to move together. A rope pressing device for tightly pressing the steel wire rope is arranged on the rope aligning base. By means of the rope-guiding hydraulic winch, the steel wire rope is tidily and orderly arranged on the winding drum, disorderly arranging of the steel wire rope and pressing and abrasion, which are caused by disorderly rope arranging, of the steel wire rope are avoided, the workloads generated when the rope is manually wound can be greatly reduced, and the service life of the steel wire rope can be prolonged.

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.