505results about How to "Increase contact rate" patented technology

A co-catalyst for purifying an exhaust gas which can be used for a loner period of time as an actual catalyst by using the cerium oxide in the conventional co-catalyst for purifying the exhaust gas as a cerium-containing complex oxide for elevating the resistance to heat and suppressing the performance reduction due to thermal deterioration and by making a specific surface area and an oxygen storage capacity over specified values. A co-catalyst for purifying an exhaust gas of the present invention includes a composite oxide including (a) cerium; and (b) at least one element selected from the group consisting of zirconium, yttrium, strontium, barium and a rare-earth element supported on a particulate aluminum oxide support; a specific surface area of the co-catalyst after sintering being not less than 40 m2 / g; an oxygen storage capacity at 400° C. being not less than 10 mumols / g and an oxygen storage capacity at 700° C. being not less than 100 mumols / g.

A transmission actuator has a torque generating mechanism for generating a torque from a drive shaft, a speed reduction mechanism for multiplying a torque from the torque generating mechanism through a differential motion produced by a difference in gear ratio between a gearset of a first internally toothed gear and a first externally toothed gear and a gearset of a second internally toothed gear and a second externally toothed gear, a motion direction changing mechanism for converting the torque multiplied into a thrust and a friction engagement mechanism for transmitting power from an input shaft to an output shaft by virtue of the thrust so converted, wherein the drive shaft is made hollow so that the input shaft and the output shaft are disposed in a hollow portion of the drive shaft.

What is described are a signal detecting device for detecting a vital parameter of a living being, having a plurality of electrodes and an electrode selecting device for selecting a pair of electrodes from the plurality of electrodes such that a difference signal suitable for measuring the vital parameter is derivable, an electrode arrangement and a method.

Disclosed herein is a battery module including a plurality of unit cells stacked one on another. The battery module has a cooling system that accomplishes contact type cooling by a coolant flowing through gaps (flow channels) defined between the unit cells, and the flow channels defined between the unit cells are at a predetermined angle to the flowing direction of the coolant at inlet ports of the flow channels. The contact rate of the coolant to the unit cells in the battery module is increased and a large number of turbulent flows are created by the changing the flow channel through which the coolant flows. Consequently, the occurrence of the velocity gradient of the coolant in the flow channel defined between the unit cells is prevented, and therefore, the cooling efficiency of the battery module is improved. Furthermore, a battery pack including the battery module has high cooling efficiency although the overall structure of the battery pack is not greatly changed, or a large-sized cooling fan or a string driving unit is not used. Consequently, the battery pack is preferably used as a power source for electric vehicles or hybrid electric vehicles.

The invention relates to an additive used for monocrystalline silicon wafer alkaline flocking and an application method thereof, belonging to the technical field of solar batteries. The additive is prepared by the following components: ethanolamine, polyphosphate, sodium dodecylbenzene sulfonate, sodium hydroxide and water. A flocking agent is prepared through the following steps: (1) dissolving sodium hydroxide in deionized water so as to obtain alkaline flocking liquid; (2) adding the additive motioned above into the alkaline flocking liquid to obtain the flocking agent. During flocking, monocrystalline silicon wafers used for solar batteries are immersed in the flocking agent with temperature controlled to be 75 to 85 DEG C and flocking time controlled to be 15 to 18 minutes. The additive used for monocrystalline silicon wafer alkaline flocking in the invention enables flocking reaction time to be shortened and productivity to be enhanced; prepared texture surface pyramids have a uniform size and low reflectivity; the additive is applicable to solar battery silicon wafer alkaline flocking of different specifications and meets the purpose of industrial production.

The invention provides a method for preparing rice protein polypeptide powder from rice residue protein. The method comprises the following steps: using the byproduct rice residue protein in starch sugar plants as the raw material, washing, hydrolyzing, desalting, drying and the like to obtain the food-level rice protein polypeptide powder. The protein content in the rice protein polypeptide powder is more than or equal to 77%, and small peptides, the molecular weight of which is about 1,000, account for 67% of the total protein. The rice protein polypeptide powder not only keeps the advantages of low irritability, high biological value and the like of the rice protein, but also has obvious functions in the aspects of digestive absorption and health care because that the powder contains alarge amount of small peptides.

The invention relates to a photocatalyst, in particular to a magnetic polypyrrole / titanium dioxide / clay nano-composite photocatalyst and a preparation method thereof. In the method, a nano-titanium dioxide / clay composite material is prepared by taking clay as a matrix by an in-situ synthesis method; meanwhile, hydrochloric acid generated through the hydrolysis of titanium tetrachloride is used for synthesizing conductive polypyrrole, and an oxidant for synthesizing the conductive polypyrrole forms a magnetic carrier, so that a high-activity recyclable nano-composite photocatalyst is prepared.

The invention relates to the biomedical field of high molecular materials, in particular to a nerve grafting object containing an orientation nanofiber nerve tract and a preparing method of the nerve grafting object. A core (A) composed of the nanofiber tract is placed in the middle of the nerve grafting object, a sheath (B) composed of an irregular fiber layer (B2) and an orientation layer (B1) is arranged on the outer face of the nerve grafting object, the diameter of the core (A) composed of the nanofiber tract is 2-5mm, the length of the core (A) composed of the nanofiber tract is 3-15mm, the fiber diameter of the nanofiber tract is 40-300nm, the length of the sheath (B) is 9-25mm, the orientation layer (B1) comprises parallel-arrayed fibers of 100-500nm, and the irregular fiber layer (B2) comprises disorder-arrayed fibers of 100-500nm. The technology is stable, grafting object size is adjustable, the clinic requirement is met, production efficiency is improved, industrialization is convenient, guiding performance is high, using is convenient, and practicability is improved.

The invention relates to a high-conductivity and low-temperature cured conductive paste and a preparation method thereof. The high-conductivity and low-temperature cured conductive paste comprises conductive metal powder, a nanometer conductive carbon material, cured resin and a curing agent. The conductive paste is connected with the conductive metal powder by means of structure characteristic ofthe nanometer conductive material to form a three-dimensional continuous conductive passage, a material capable of being liquefied or sintered at a low temperature is utilized, a connection effect between the conductive metal powder and the nanometer conductive carbon material is improved, so that the resistivity of the conductive paste reaches microohms.cm scale and is approximate to that of a favorable conductor such as silver and copper.

The invention relates to a metal ion nanoadsorbent which can adsorb metal ions in a water body, such as Cr<6+> and Cd<2+>, belonging to the technical field of inorganic functional materials. EDTA is an important chelating agent and can form stable water-soluble complexes with alkali metals, rare earth elements, transition metals and the like through chemical adsorption; however, as the EDTA is often united in the water, the dispersion is poor, and the adsorption effect is not well. The prior art adopts a Zeolite-A zeolite molecular sieve to adsorb the metal ions in the water body through physical adsorption. The adsorbent is characterized in that the chelating agent of the EDTA is distributed in the mesoporous nano-molecular sieve, the adsorbent has multi-adsorption effect including the physical adsorption and the chemical adsorption, and can adsorb 98.0% of Cr<6+> and 99.0% of Cd<2+> in the water body in 30 minutes.

The present invention provides a laminated ceramic electronic component in which the internal electrode layer inside the layered product is bonded to the external electrode and is capable of ensuring a strong fixing force between the external electrode and the stacked body. The laminated ceramic electronic component includes a rectangular parallelepiped laminate (12) in which a plurality of dielectric layers (14) and a plurality of internal electrode layers (16) are laminated, and a laminated body (12) is formed on both end faces of the stacked body (12) (22a, 22b) of the plating layer (26a, 24b) and the coating (26a, 26b). In the case where the cross section including the base electrode layers (24a, 24b) is observed by the FIB SIM image (concentrated ion beam scanning ion microscope), a plurality of Cu crystals and glass, crystal elements having different crystal orientations The average value of the length is 3 [miu] or less.

The invention discloses a printing and dyeing sludge pyrolysis treatment device which successively comprises a sludge chamber, a combustion chamber and a product collecting chamber from top to bottom, wherein a feed port is arranged on the sludge chamber, and a support plate with holes is arranged between the sludge chamber and the combustion chamber; the combustion chamber is connected with a combustion engine, and a pyrolysis cavity is arranged in the combustion chamber; and a dump valve is arranged between the combustion chamber product collecting chamber. The invention also discloses a printing and dyeing sludge treatment method. In the invention, by adopting the vertical arrangement from top to bottom, the automatic flowing nature of the substance is fully utilized, and the problems of high viscosity and hard feeding of printing and dyeing sludge are solved. Sludge drying, pyrolysis, pyrolysis gas recycling and control are integrated, and energy consumption is effectively reduced. Not only is the recycling of the printing and dyeing sludge realized, but also the harm to environment is greatly lowered. Therefore, the demands of industry development and environmental protection can be well adapted and satisfied.

In accordance with the present disclosure, compositions and methods are described for potentiating the effectiveness of insecticides with which materials or objects are treated or impregnated to reduce or eliminate insect populations that infest or inhabit materials, articles and furnishings associated with human or animal use. Materials or articles may be treated or impregnated with compositions comprising one or more insecticides in combination with one or more potentiating agents that effectively promote the movement or aggregation of insects to a designated area that has been treated or impregnated with insecticide, and delivery devices containing a potentiating agent or agents may be associated with a material or article that has been previously treated or impregnated with insecticide.

The invention discloses surface-treated metal, a surface treatment method of the metal and a metal and resin composite body. A hole used for filling of resin perpendicularly extends towards the interior of the metal from the surface of the metal, any position of the hole is expanded outwards or shrunk inwards, a cavity structure with the unequal hole diameter is formed, and through the cavity structure, the metal and the resin can form a better nano anchor bolt effect, and the connecting strength of the metal and resin composite body can be effectively improved; a multistage anodic oxidation method is adopted in the metal to treat the surface of the metal, the method is efficient, environment-friendly, reliable and high in repeatability, bonding force between a resin layer and a metal base material of the metal resin composite body is good, the excellent tensile shear strength is achieved, the resin source is wide, the method is suitable for industrial large-scale production, and the problem that according to an existing method, the defective percentage stays at a high level is solved.

The invention relates to a nanometer TiO2 photocatalyst, in particular to a polyaniline / titanium dioxide / clay nanometer composite photocatalyst and a preparation method thereof. Titanium tetrachloride and clay are firstly used as raw materials, an in-situ synthesis method is adopted for preparing nanometer titanium dioxide / clay composite material, hydrochloric acid generated by titanium tetrachloride hydrolysis is used for providing the acid environment required by aniline polymerization, the polyaniline conductive polymer loaded titanium dioxide surface is synthesized, the conductive polyaniline is used for receiving electrons generated by the photon excitation on the titanium dioxide, the electron-electronhole pair compounding is inhibited, and the photocatalytic performance of the composite material is improved.

A battery module is provided. The battery module includes a plurality of unit cells stacked proximate to one another. The plurality of unit cells define flow channels therebetween. Each unit cell of the plurality of unit cells is longitudinally positioned at a predetermined angle in a range between 3 and 14 degrees relative to a wall of an input port for a respective flow channel. The battery module further includes a cooling system that routes a coolant through the flow channels between the plurality of unit cells such that the coolant contacts the plurality of unit cells.

A solar battery including a transparent conductive film; and a solar battery element, wherein the transparent conductive film is bonded to a surface of the solar battery element, and the transparent conductive film is electrically connected to the solar battery element.

To reduce a load of a tensioner lifter, enhancing the oscillation absorption function of the tensioner lifter in a chain tensioner. In a chain tensioner provided with a tensioner arm rockably supported by fixed structure and relatively slidably engaged with the outside on the loose side of a transmission chain without an end coupling a driving sprocket and a driven sprocket and a tensioner lifter supported by the fixed structure for pressing the tensioner arm on the side of the transmission chain, a control arm is rockably supported by the fixed structure for transmitting the pressure of the tensioner lifter to the tensioner arm. The control arm is inserted between the tensioner arm and the tensioner lifter.

A stretchable cable 1 includes a sheet-shaped stretchable base material 2 exhibiting elasticity and elongated in one direction, and a stretchable wiring 3 formed on one surface of the stretchable substrate 2 and exhibiting elasticity. The stretchable base material 2 is made of a material exhibiting elasticity. The stretchable wiring 3 is made of a conductive composition including elastomer and a conductive filler filling the elastomer.

The invention relates to a reduced graphene oxide-coated vanadium sodium phosphate microsphere material and a preparation method thereof. The reduced graphene oxide-coated vanadium sodium phosphate microsphere material has a chemical formula of Na3V2(PO4)3@rGO, the microsphere diameter of 1 to 4 microns, crystallinity and a lattice space of 0.372nm. The preparation method comprises 1) orderly adding sodium source, phosphorus source and vanadium source powder into deionized water and completely dissolving the materials, 2) adding reduced graphene oxide into the solution obtained in the step 1)and carrying out stirring, and 3) spray-drying the solution obtained by the step 2) and calcining the dried product. The preparation method utilizes a simple spray drying-calcination synthesis method.Through use of reduced graphene oxide, the Na3V2(PO4)3@rGO microsphere material is obtained through liquid phase synthesis. The microsphere material can be used as a zinc ion battery positive electrode material and has a high reversible capacity, good cycling stability and high rate performances.

The invention discloses a treatment method for improving operating characteristics of nano-zinc oxide. The treatment method comprises the following steps of soaking modification treatment and deposition modification treatment. The prepared modified nano-zinc oxide has good dispersing characteristics, an agglomeration phenomenon is not likely to occur, the strength, corrosion resistance and temperature resistance of the nano-zinc oxide are very well improved, the compatibility with organic components are better, a filling usage effect is good, and the nano-zinc oxide has a popularization and usage value.

The invention discloses an I-doped BiOClBr photocatalyst of a three-dimensional structure. The preparation method of the catalyst comprises the following steps of: putting glycol in which required amount of Bi(NO)3, KCl, NaBr and KI are dissolved at high temperature and high pressure for reaction, centrifugally separating solid products after the reaction, washing and drying the separated and purified solid products so as to obtain the expected product. Compared with the conventional BiOX(X=Cl, Br and I) monomer, the doped BiOClBr photocatalyst of the three-dimensional structure is beneficial to the generation of photoproduction electron-hole pairs and the increase of specific surface area and can more effectively increase the probability that a catalyst is contacted with decomposition dye, and moreover, the recycling of the catalyst is facilitated. The preparation method disclosed by the invention is simple in material, simple and convenient in process operation, free of complex synthesis equipment and low in cost.

The invention discloses a device for cooperating evaporation of a desulfurized wastewater flue and enhancing removal of fine particulates and SO3 (sulfur trioxide) and a method thereof. The device comprises a desulfurized wastewater storage tank, an alkaline adsorbent storage tank, a spraying system, an eddy production system and an electrostatic deduster. The device is characterized in that the coal flue gas in the flue is sprayed with an alkaline adsorbent solution prepared from the desulfurized wastewater, the PM2.5 (particulate matter 2.5) is in collide with the liquid droplets, the PM2.5in the flue gas is agglomerated along with the evaporation of the liquid droplets, and the particle size is increased; the liquid droplets are in contact with the SO3 in the flue gas, and are neutralized; the incompletely evaporated alkaline adsorbent liquid droplets and the flue gas are mixed, and flow through a turbulence field caused by flow disturbing eddy sheets, the liquid droplets used as agglomeration cores to severely collide with the PM2.5, the PM2.5 is further agglomerated and grown, the retention time of the flue gas is extended, the SO3 is promoted to generate neutralizing reaction with the alkaline adsorbent liquid droplets, and the agglomerated PM2.5 and the neutralized SO3 are removed by the electrostatic deduster; the cooperated removal of the PM2.5 and the SO3, and the zero-drainage of the desulfurized wastewater are realized.

A hazardous substance (20) is removed by using a hazardous substance removing material (10) in which a support (11) supports an antibody (12). Humidity of the ambient atmosphere of the antibody (12) is controlled so that the antibody (12) becomes active.

The invention relates to an electronic expansion valve. The problem that electronic expansion valves are high in noise is solved. The electronic expansion valve comprises a valve body, a valve needle, a valve seat and a driving mechanism. The valve is arranged at the lower end of the valve body. A valve port is formed in the valve seat. The driving mechanism is arranged at the upper end of the valve body. The valve needle is connected with the driving mechanism and driven by the driving mechanism to open or close the valve port. A guiding sleeve used for guiding the valve needle to move axially is further arranged in the valve body and provided with a plurality of side wall through holes. An annular flow channel is formed between the outer side wall of the valve seat and the inner wall of the guiding sleeve. The side wall through holes are evenly distributed in the guiding sleeve mainly and correspond to the annular flow channel.

The present invention relates to a rotary table device used for a machine tool capable of easily adjusting a pitch of a rotary table without changing a structure of a cam follower by improving the structure of the cam follower capable of indexing the rotary table at a predetermined angle as being engaged with a gear cam and rotating. According to the present invention, cam followers (2) are installed at regular intervals in a circumferential surface of a rotary table (1) installed to be rotated inside a housing, as a gear cam (4) is rotated by rotation of a driven shaft, the rotary table (1) is rotated by the cam followers (2) engaged with the gear cam (4). A cross section of a roller gear (3) and the gear cam (4) which are the cam followers (2) is a trapezoidal shape, and inclined surfaces (3a, 4a) are equipped. The cam followers (2) are installed to be rotated on the rotary table (1) to be supported by a bearing (5), and a pitch adjusting member (6) to adjust a pitch of the rotary table (1) is installed between the rotary table (1) and the roller gear (3).