32results about How to "Unique structural features" patented technology

The invention relates to a preparation method of composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber. The composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber prepared by the method of the invention has strong bonding force between the active component of the titanium silicate molecular sieve and the nano-carbon fiber. Comparing with the industrial micro-nano TS-1 powder (100-500nm), the filtering quality is significantly improved. In the course of using the TS-1 catalyst, the problem of the solution dispersion and separation can be solved; the method is simple and the application range is wide. The catalytic performance of the made composite catalyst is excellent, and can be used for the cyclohexanone ammoximation, the conversion rate of the cyclohexanone and the cyclohexanone oxime selectivity can both reach over 98 percent.

The invention provides a conductive polymer-graphene nanocomposite material. The conductive polymer-graphene nanocomposite material is formed by a conductive polymer and graphene, and the conductive polymer adopts graphene as a carrier, is dispersed on the surface of the lamellar structure of graphene, and is one of polyaniline, polypyrrole and polythiophene, and cyclosubstituted derivatives and heteroatom-substituted derivatives thereof. The above composite material has high specific surface area, can effectively avoid the agglomeration and adhesion problems of present polyaniline, polypyrrole, polythiophene and other conductive polymer materials, and has the advantages of high adsorption reduction ability and effective improvement of the metal recovery efficiency in the recovery treatment of metal elements in wastes.

The invention belongs to the field of organic compound synthesis and discloses a chelate-type N-heterocyclic carbene palladium compound containing heteroaromatic groups, and a synthetic and immobilization method thereof. The general formula of the compound is represented as follows. In the invention, with a polyfunctional compound amino alcohol as an initial raw material, a cyclization reaction and a condensation reaction are carried out to prepare an imidazole derivative of which an N-substituent group contains hydroxyl groups. The derivative then is subjected to an ionization reaction with a hetero-aromatic hydrocarbon halogenate to obtain a hetero-aromatic and hydroxyl groups di-substituted imidazolium salt. The imidazolium salt is further subjected to a metallization reaction to obtain an NHC-N chelate-type palladium compound. The compound has the activity of a homogeneous-phase N-heterocyclic carbene palladium catalyst, is simple in synthetic method, is high in yield, is easy to separate and is recyclable in catalysis of a C-H activating reaction, is greatly reduced in use cost and has a good application prospect in the field of catalysis.

The invention relates to a special arc-shaped cable deicing hammer. A hammer body consists of a vertical section and an arc-shaped section. The cross sections of the hammer body are square. An included angle formed by the internal sides of the arc-shaped section is a half circumference angle. The diameter of the half circumference angle is larger than the diameter of a cable. A plurality of cones are fixed at the top of the vertical section. A handle is fixed at the vertical section of the arc-shaped section. Compared with the existing striking hammer, since the original cable tangent striking point is increased to a circumferential striking surface, the special arc-shaped cable deicing hammer has the characteristics of high deicing efficiency, unique structure, convenience in use and high practicability.

The invention relates to a dryer, comprising the components: a drum with a drying cavity, a lint filter used for filtering foreign matters drained out of the drying cavity of the drum and a lint air duct for the air of the lint filter to flow. An air supply fan is arranged and communicated with the lint filter. And the air supply fan, under the drive of a driving motor, ensures the air in the drying cavity to flow through the lint filter. A pressure sensor is arranged to check the pressure difference of the lint filter outside and inside. By receiving the sensor signals sent from the pressure sensor, and under the condition of the pressure difference rising above the standard value, the pollution caused by lint filter blocking can be solved through controlling the driving motor and increasing the controlling part of the rotating number of the air supply fan, ensuring the air in the drying cavity to flow more smoothly, thus improving the performance of the dryer.

The invention discloses a large deformation protector for anti-seismic control damper. The large deformation protector comprises a protecting shell with an open end and a closed end. A connection is connected to the outside of the closed end of the protecting shell. A sliding guide rod is inserted in the open end of the protecting shell and does reciprocating motion in the same. One end of the sliding guide rod is inserted in the protecting shell, and the other end of the sliding guide rod is exposed out of the protecting shell. The end, inserted in the open end of the protecting shell, of the sliding guide rod is fixedly connected with a slide block doing the reciprocating motion in the protecting shell. The middle inner wall of the protecting shell is provided with slide block positioning ribs used for limiting the slide block. An Austenitic shape memory alloy wire is arranged between the slide block and the protecting shell and applied with prestress Sigma p. One end of the Austenitic shape memory alloy wire is connected with the slide block, and the other end of the Austenitic shape memory alloy wire is connected with the closed end of the protecting end. The large deformation protector is unique in construction, novel and reasonable in design, effective in protecting the anti-seismic control damper from failure, reliable in performance and bright in application prospect.

The invention provides an immobilized microbe and a preparation method and applications thereof, and relates to the technical field of sewage treatment. The immobilized microbe comprises an organic immobilizing carrier and microbes immobilized on the organic immobilizing carrier; and the organic immobilizing carrier comprises carbonized cotton cloth with a mass percentage of 5-100%. The inventionalso relates to a preparation method and applications of the immobilized microbe. Carbonized cotton cloth is added into the microbe immobilizing carrier, comprises gaps for immobilizing microbes, andpromotes the immobilization and strong reproduction of microbes. At the same time, carbonized cotton cloth has an enough performance on absorbing and maintaining water to guarantee the strong reproduction of microbes. moreover, carbonized cotton cloth has the advantages of easy degradation and low cost. The immobilized microbe can be used a fertilizer of compost, a soil improver, a fermentation starter/promoter, a deodorant, a wastewater cleanser, a bathing pool cleanser, a river/lake cleanser, and an air cleanser.

The invention discloses a zirconium-based metallic glass multi-phase composite material and a preparation method thereof. The atom percentage expression formula of the zirconium-based metallic glass multi-phase composite material is as follows: ZraTibCucNisBee, wherein 52<=a<=70, 17<=b<=22, 2<=c<=9, 2<=d<=7, 4<=e<=15, and a+b+c+d+e=100. The preparation method of the zirconium-based metallic glass multi-phase composite material comprises the following steps: selecting a block metallic glass alloy system; according to a phase selection principle, adjusting the components of alloy so that a second phase solid solution of zirconium is separated out at first in the solidification process of the alloy, and a high-hardness third phase is separated out in the subsequent cooling process of the second phase solid solution; melting the alloy components obtained from the first step to form mother alloy by using an electric arc melting method; and melting the mother alloy repeatedly, carrying out gravity casting in a copper-formed mold to obtain the metallic glass multi-phase composite material. According to the invention, the zirconium-based metallic glass multi-phase composite material is high in strength and realizes the good combination of strength and plasticity while the plasticity of the metallic glass is improved.

The invention discloses a ortho-positioned bridged azacrown ether modified phthalocyanin, and a preparation method and application thereof, and belongs to the field of optically functional material preparation. The compound provided by the invention has unique ortho-positioned bridged azacrown ether modification characteristic, and is clear in structure and unique in synthesis route. The compound provided by the invention is a multifunctional molecule which can be taken as both a photosensitive drug and a metal ion spectrum probe. As the photosensitive drug, the photosensitization ability of the compound is high; and as the spectrum probe, the compound can be used for selective identification to Fe<3+> and Cu<2+> ions.

The invention relates to high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment. The high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment comprises a vapor reaction chamber, wherein the vapor reaction chamber comprises a base, a heat-isolation frame, a gas inlet, a wafer tray and a gas outlet, the base is fixedly arranged at the bottom of the vapor reaction chamber, and the heat-isolation frame is erected above the base and fixedly connected with the base; the wafer tray is arranged on the upper surface of the base, the gas inlet is formed in the top of the heat-isolation frame, and the gas outlet is formed in one side surface of the heat-isolation frame; and the heat-isolation frame is made of modified quartz. The heat-isolation frame is used for isolating a temperature in the reaction chamber, so that normal reaction is guaranteed, meanwhile, energy waste can be reduced, the wafer tray is used for bearing wafers to complete deposition, the gas inlet is used for guiding reaction gas into the reaction chamber, and the gas outlet is used for discharging redundant gas. The high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment is characterized in that the heat-isolation frame in the vapor reaction chamber is improved, so that the vapor deposition equipment can bear higher temperature and is more durable.