344results about How to "Improve transfer ability" patented technology

The invention discloses a graphene-based ternary composite film gas sensor and a preparation method thereof. The graphene-based ternary composite film gas sensor consists of a ternary composite film and a substrate, wherein the ternary composite film is formed by compounding graphene, metal or metal oxide nanoparticles and conducting polymers. The high specific surface area and excellent electric and physicochemical characteristics of the graphene and the nanoparticles and the specific gas-sensitive response characteristic of the conducting polymers are fully utilized, a gain complementary mechanism is formed between different materials due to ternary compounding, and the gas-sensitive characteristic and stability of the system are enhanced. Meanwhile, the preparation method is combined with a self-assembling process with high ordering property and can be used for preparing the high-sensitivity room temperature detection gas sensor.

The invention provides a cultivation method of Cyp gene knocked-out rats, and a preparation method of liver microsome of the rats. The Cyp gene knock-out herein includes Cyp single gene knock-out and Cyp multiple gene knock-out. In the method, firstly a Cyp gene knocked-out rat is constructed by means of a CRISPR/Cas system, which includes selection of a knocked-out target site, in-vitro synthesis and transcription of sg RNA and Cas9m RNA, preparation of a pseudopregnant female rat, in-vitro micro-injection and transplanting of a single-cell embryo, and cultivation of the rat, and finally, a homozygote Cyp gene knocked-out rat can be cultured. Furthermore, the liver of the Cyp gene knocked-out rat is extracted and is subjected to homogenization and differential centrifugation to prepare the liver microsome of the rat in Cyp gene deletion. The invention also provides an application of the Cyp gene knocked-out rats and the liver microsome thereof in study on drug metabolism.

A toner composition including toner particles including a binder resin; and a colorant, and a charge controlling agent which is at least located on a surface of the toner particles, wherein the toner composition has a spherical degree of from 0.96 to 0.99, and wherein the toner composition satisfies the relationship: 10≦M/T≦1,000 wherein M represents a quantity of an element on a surface of the toner particles in units of % by weight, wherein the element is included only in the charge controlling agent, and is one of elements of second to fifth periodical elements in the long form periodic table other than hydrogen, carbon, oxygen and rare gas elements; and T represents a quantity of the element in the toner composition in units of % by weight.

In a photoelectric transfer device having a semiconductor electrode composed of semiconductor nanoparticles and an electrolyte layer between a pair of transparent conductive substrates, a transparent conductive substrate at the light-receiving side is made by stacking a transparent substrate, conductive wiring layer and a metal oxide layer in order from the light-receiving side and having sheet resistance equal to or lower than 10 Ω/□. The metal oxide layer is made of an In—Sn composite oxide, SnO₂, TiO₂, ZnO, or the like.

The floating brake rotor assembly with non-load bearing pins includes a brake rotor and hub that are coplanar and are interconnected by pin and spring assemblies such that the pins do not bear rotational torque being transferred between the brake rotor and hub. The rotor has tooth-like protruding members along its inner edge that mate with recessess along the outer edge of the hub. When aligned, each protruding member and corresponding recess forms an aperture through which a pin is positioned, and allows for transfer of rotational torque without applying load force to the pin.

The invention discloses a producing technique of films for aluminized anti-fake wrapping paper, sequentially comprising the following steps of: paint coating, holographic nickel plate stamping, aluminizing, rewinding, combining, peeling, and the like. The producing technique improves the transferring and temperature-proof performances of films, and polyester films can be reused for 3-5 times, thereby improving the economic benefit and achieving the energy-saving and emission-reducing effects. In addition, corresponding holographic patterns can be made based on requirements to play an anti-fake role.

The invention discloses a nitrogen-doped activated carbon supported noble metal catalyst and an application thereof. The catalyst is composed of a carrier and an active component; the carrier is nitrogen-doped activated carbon; the active component is one of palladium, platinum, rhodium, ruthenium and iridium; and the load of the active component is not higher than 15wt% based on the mass of the carrier. The invention provides the application of the nitrogen-doped activated carbon supported noble metal catalyst to reaction for preparing an alkyl-containing halogenated aromatic aminocompound shown as a formula (II) by carrying out catalytic hydrogenation reduction on an alkyl-containing halogenated aromatic nitrocompound shown as a formula (I) to show that the nitrogen-doped activated carbon supported noble metal catalyst has the characteristics of high hydrogenation reaction rate, high catalytic activity, high selectivity and high stability.

Spherical toners having excellent fusibility are disclosed. The toners are fusible at low temperatures and are excellent in preservability and therefore charge properties, flowability, and transferability do not deteriorate. The toners contain a colorant and a nitrogen-containing polyester resin, in which the concentration of nitrogen at the surface of toner particles is higher than the concentration of nitrogen of the entire particles. The ratio of the surface concentration to the overall concentration is from 1.2 to 10. Additionally, the nitrogen-containing resin is preferably a polyester resin modified by urea bonds. Also, it is preferred that the toner particles are substantially spherical having an average sphericity E of from 0.90 to 0.99.

The invention discloses a catalyst as well as a preparation method and application of the catalyst. The catalyst is composed of a carrier and a composite carbon-metal quantum dot supported on the carrier; the particle size of the catalyst ranges from 100nm to 1000nm; the carrier is a mesoporous carbon microsphere; the composite carbon-metal quantum dot is not larger than 15nm and contains 10-90% of metal; the metal in the composite carbon-metal quantum dot is one or a combination of several of platinum, palladium, iridium, ruthenium and rhodium; the loads of platinum, palladium, iridium, ruthenium and rhodium are respectively 0-10.0%, 0-10.0%, 0-10.0%, 0-10.0% and 0-5.0% based on the mass of the carrier, and the loads of palladium, platinum and rhodium are not equal to zero; and the total load of the metal is 1.0-11.5%. The invention provides the application of the catalyst to reaction for synthesizing a chlorinated aromatic amine compound shown as a formula (II) by carrying out selective catalytic hydrogenation on a chlorinated aromatic nitrocompound shown as a formula (I), and the catalyst has the characteristics of high hydrogenation reaction rate, high conversion rate, high catalytic activity and high stability.

An all-bearing car body structure of a new-energy urban bus comprises a front wall assembly, a rear wall assembly, a top cover assembly, a bottom frame assembly, a support upright assembly and a closed stressed ring structure of a whole car body, wherein the closed stressed ring structure is formed by two side wall assemblies, the two ends of the support upright assembly are connected with the top cover assembly and the bottom frame assembly, so that the closed stressed ring structure is formed on the cross section of the car body conveniently, meanwhile, a two-layer frame cavity structure arranged in the top cover assembly not only facilitates the placement of energy storage equipment, but also optimizes the space in a car. According to the design, the passenger space in the urban bus is optimized, and the overall bearing uniformity of the car body structure is improved, moreover, the delivery effect of the local structure is stronger, and the closed stressed ring structure is arranged on the support upright assembly.

A method of operating a transmission device (3) having a plurality of frictionally engaging shift elements (B, C, D and E) and at least one form-locking shift element (A, F) for implementing different transmission ratios. Upon a requested change in operating state of the transmission device (3), the at least one form-locking shift element (A) is transferred into an at least nearly load-free state, during which the form-locking shift element (A) is transferred from an engaged to a disengaged operating state by increasing the transfer capability of at least one frictionally engaging shift element (E), which is not engaged in the power flow of the transmission device (3) either to represent the present operating state or to represent the requested operating state.

The invention relates to a power distribution network optimization method adapting to power distribution network high capacity load transfer, comprising steps of analyzing a load fluctuation curve of a regional power distribution network and a complementary load characteristic curve of the regional power distribution network and an adjacent power distribution network of, obtaining the two characteristics of the power distribution network high capacity load transfer which are that the load fluctuation of the regional power distribution network is relatively big and the complementarity of the adjuacent regional power distribution network is strong, determining the characteristics satisfied by the characteristics of the power distribution network load, if two above characteristics are both satisfied, adopting a spatial transfer optimization method to optimize, if only the characteristic that the load fluctuation of the regional power distribution is big is satisfied, adopting the time transfer optimization to optimize. The power distribution network optimization method adapting to power distribution network high capacity load transfer groups the power distribution network high capacity load transfer into two categories, enables the distribution of the load to be more balance, improves the power distribution network planning and the operation level, has the directive significance, and improves the capability of the power distribution network to deal with the high capacity load transfer.

An intermediate transfer belt including a resin layer, which is a surface layer of the intermediate transfer belt, wherein the resin layer has a concavo-convex pattern formed by spherical resin particles which are independently embedded in the resin layer so that the embedment rate of the spherical resin particles in the thickness direction of the resin layer is higher than 50% but lower than 100%.

A toner including a toner particle that contains a binder resin, a polyester resin A and a wax, wherein the polyester resin A contains a specific amount of an isosorbide unit based on a total number of monomer units constituting the polyester resin A, the content of the polyester resin A is a specific amount, and when observing a cross-section of the toner, twenty toner particle cross-sections are selected that have a major axis R (μm) that satisfies a specific relationship with respect to the weight-average diameter D4 (μm) of the toner, each major axis r that have the largest major axis is measured for those domains composed of wax present in the selected toner particle cross-sections, and the arithmetic mean (r/R)st of the determined r/R satisfies a specific relationship.

The invention discloses a preparation method of a covalent organic framework/carbon nitride composite material and application thereof. Firstly, a covalent organic framework material is synthesized byusing p-phenylenediamine and triformyl phloroglucinol as synthetic monomers through a room-temperature solid-phase method, then the covalent organic framework material and carbon nitride are mixed, stirred and dried in methyl alcohol, and pyrolysis is carried out under the protection of inert gas to obtain a target product. The covalent organic framework/carbon nitride composite material disclosed by the invention is large in specific surface area, high in nitrogen doping amount and rich in pore structure and can effectively remove toxic organic pollutants in water by constructing a novel Fenton-like system, and new application of the covalent organic framework material in the field of catalysis is expanded; unavoidable metal ion leaching in the activating process of a metal nano catalystis overcome; and the preparation method has the advantages of simple process, easiness for repeated operation, controllable structure, suitability for large-scale production and the like.

The present invention provides a resource transfer method and related devices. The method includes the following steps that: a resource transfer message sent by a sending terminal is received, whereinthe resource transfer message contains verification indication information and the resource numerical value of to-be-transferred resources; the resource transfer message is sent to a receiving terminal; verification information which is collected by the receiving terminal according to the verification indication information is received; the matching degree of the verification information and theverification indication information is calculated; and to-be-transferred target resources are transferred to a target account bound with the receiving terminal according to the matching degree, wherein the to-be-transferred target resources are all or part of the to-be-transferred resources, the resource numerical value of the to-be-transferred target resources is in positive correlation with thematching degree. Thus, a server calculates the matching degree of the verification information uploaded by the receiving terminal and the verification indication information, and transfers the to-be-transferred target resources that are in positive correlation with the matching degree to the receiving terminal, so that the transfer of resources to some unintended receiving terminals can be reduced, and therefore, a resource transfer effect can be improved.

A bidirectional hybrid DC circuit breaker based on capacitor pre-charge transfer and a breaking method are disclosed. The DC circuit breaker includes a main current circuit, a breaking freewheeling branch, a current transfer branch, an overvoltage limit branch, an online monitoring system, a control system, an outlet terminal C1 and an outlet terminal C2. The main current circuit, the breaking freewheeling branch, the current transfer branch and the overvoltage limit branch are connected in parallel and are led out by the outlet terminal C1 and the outlet terminal C2. The two ends of the breaking freewheeling branch are connected in parallel to the two ends of the main current circuit. The breaking freewheeling branch includes a semi-controlled power semiconductor device VT1 and a semi-controlled power semiconductor device VT2 which are reversely connected in parallel, and the two semiconductor devices constitute a branch and are then connected in parallel with the main current circuit. The DC circuit breaker has the abilities of bidirectional conduction, fast recovery of fracture insulation and simultaneous and fast breaking of a short-circuit high current and a low current (suchas a rated current), and can be applied to a DC power supply system having the ability of two-way current flow and requiring fast and reliable breaking of currents of different magnitudes.

The invention relates to a positive electrode of a solid electrolyte and a solid state battery. The positive electrode of the solid electrolyte comprises a positive electrode piece and a conductive ceramic composite coating, wherein the positive electrode piece is coated with a positive electrode active material layer, and the outer surface of the positive electrode active material layer is coatedwith the conductive ceramic composite coating. The thickness of the conductive ceramic composite coating is 1-50 [mu]m. The conductive ceramic composite coating comprises organic polymer, lithium salt, nano inorganic solid electrolyte, macromolecule grafted modified ceramic, a binding agent and a wetting agent. Based on the total weight of the conductive ceramic composite coating, the content ofthe organic polymer is 5-80wt%, the content of the lithium salt is 5-50wt%, the content of the nano inorganic solid electrolyte is 10-85wt%, the content of the macromolecule grafted modified ceramic is 1-20wt%, the content of the binding agent is 1-12wt%, and the content of the wetting agent is 0.1-0.5wt%.

The invention discloses a carbon dot and graphite phase carbon nitride compound photocatalyst as well as a preparation method and application thereof. The method comprises the following steps: adding glucose into ethidene diamine and superpure water, performing a reaction at 150-160 DEG C after ultrasonic dissolution, centrifugalizing the obtained solution which is cooled to room temperature to remove large particles, and drying and grinding to obtain carbon dot powder; and then adding dicyandiamide into the carbon dot powder and the superpure water, drying the mixture to calcine at 450-550 DEG G after ultrasonic dissolution, and grinding and sieving the mixture to obtain the carbon dot and graphite phase carbon nitride compound photocatalyst after being cooled to room temperature. By adopting a thermal aggregation method, the photocatalyst is simple in synthetic process and good in repeatability and has basic conditions of large-scaled production. The carbon dot and graphite phase carbon nitride compound photocatalyst can convert long wave light into short wave light which can be used by graphite phase carbon nitride, so that the catalytic ability of the graphite phase carbon nitride is improved. The compound photocatalyst can degrade antibiotics under sunlight.