33results about How to "Promote market applications" patented technology

The invention relates to a manufacturing method of a carrier for an electrostatic image developer, which solves the problems that the existing carrier for an electrostatic image developer has low durability and low adhesion with a coating layer, easily drops and influences the performance of the electrostatic image developer. The method comprises the following steps of: performing hydroxyl enrichment processing on the surface of a carrier core material; and then coating the carrier core material with a coating layer including organic silicon resin so that a condensation reaction is generated between the organic silicon resin and the hydroxyl on the surface of the core material to obtain a carrier coated by the chemical bonding effect. The method provided by the invention has simple technology and low production cost; the coating layer of the carrier manufactured by the method is impact resistant and wear resistant and has great adhesion with the surface of the carrier core material; and the carrier has good durability.

The invention provides bibenzil compounds of which the chemical name is dihydroresveratrol-4'-O-[6''-O-(4''-methylgalloyl)]-beta-D-glucopyranoside. The extraction method comprises the following steps: after finishing D101 macroporous resin adsorption, eluting sequentially with distilled water and an ethanol solution; carrying out silica gel chromatography on the eluate obtained by eluting with the 75-80 wt% ethanol solution, collecting the eluate by using 400-500mL as one unit, and carrying out separation and extraction on the 10th-unit eluate to obtain a multi-compound extracting solution; and carrying out silica gel chromatography on the multi-compound extracting solution, collecting the eluate by using 40-50mL as one unit, and carrying out separation and extraction on the 3rd-unit eluate to obtain the target compounds. The bibenzil compounds provided by the embodiment of the invention are novel single compounds, have the advantages of high purity, definite component and no impurity, and are obtained by extraction and purification for the first time.

The disclosure provides a liquid-cooled battery thermal management system and its control method, including a controller, a refrigeration circuit, and a battery temperature control circuit. The refrigeration circuit includes a compressor, a condenser, and a heat exchanger. The outlet B of one end of the heat exchanger passes through The pipeline is connected to the compressor, the compressor is connected to the condenser through the pipeline, and the outlet of the condenser is connected to the inlet A of one end of the heat exchanger through the pipeline; the battery temperature control circuit includes several liquid-cooled battery boxes, sensors and heaters, and the heat exchanger The outlet D at one end of the exchanger is connected to the heater through a pipeline, and the outlet of the heater is divided into several branches through the pipeline, and each branch is controlled by a separate flow control valve and connected to the corresponding liquid-cooled battery box. One end, the other end of the liquid-cooled battery box is connected to the inlet C of the heat exchanger through pipelines; temperature sensors are installed at the outlet D and inlet C of the heat exchanger; the controller receives the signal collected by the temperature sensor and communicates with the compressor Machine, condenser, flow control valve and heater are electrically connected.

The invention relates to a quick preparation method of a water glass based fiber reinforced SiO2 aerogel block. The quick preparation method includes: using industrial-grade water glass as a silicon source, and forming fiber reinforced SiO2 wet gel through sol-gel reaction; performing one-step solvent replacement and surface group modification through mixed liquid of an organic solvent / modifier, and drying at normal pressure to obtain a SiO2 composite aerogel block. Fiber reinforced SiO2 aerogel has physical characteristics like large specific surface area (600-900m2 / g), high pore capacity, high elasticity and super-hydrophobicity (hydrophobic angle range is 120-145 DEG C) and can present excellent mechanical and thermal performance along temperature change, so that application value of the material in the field of photoelectric devices, gas-sensitive sensors and heat insulation. The quick preparation method is simple in process path, high in operability, capable of quickly obtaining large-size uncracked SiO2 composite aerogel materials and conducive to promoting industrial production of aerogel.

The invention belongs to the related technical field of solar concentrating technology, and more specifically relates to an airfoil linear Fresnel concentrating system. The system includes a reflector, four Fresnel lenses and a heat collecting tube, the four Fresnel lenses are arranged above the heat collecting tube, the angle between the first Fresnel lens and the second Fresnel lens is an obtuse angle, The second Fresnel lens is placed horizontally, the third Fresnel lens and the fourth Fresnel lens are mirror-symmetrical to the first Fresnel lens and the second Fresnel lens with respect to the vertical center line of the heat collecting tube, four pieces The Fresnel lens is used to focus the incident light onto the heat collecting tube, and the two reflectors are symmetrically arranged under the heat collecting tube with respect to the vertical centerline of the heat collecting tube, which is used to refract the light through the Fresnel lens but not focus on the heat collecting tube. The light on the heat pipe is reflected on the heat collecting tube. Through the present invention, the reflectivity at the edge of the Fresnel lens is reduced, the uniformity of light collection is improved, and the risk of efficiency and safety problems caused by uneven heat collection is reduced.

The invention belongs to the technical field of nano materials and electrochemistry and in particular relates to nano-sheet water-containing V2O5 dry gel assembled by needle-like nanowires as well as a preparation method of the nano-sheet water-containing V2O5 dry gel. The material can be used as a positive active material for high-capacity and high-power lithium ion and sodium ion batteries; the thickness of the nano sheet is 20-30nm; the diameter of the needle-like nanowires is 2-10nm; the length of the needle-like nanowires is 50-500nm. The nano-sheet water-containing V2O5 dry gel has the beneficial effects that the nano-sheet water-containing V2O5 dry gel assembled by the needle-like nanowires is quickly synthesized by a simple and economical process. When the material is used as the positive active material for the lithium ion batteries, the nano-sheet water-containing V2O5 dry gel assembled by the needle-like nanowires has excellently high capacity and high-rate performance.

The invention relates to a preparation method of a carbon particle / manganese dioxide composite electrode material, and the invention relates to a preparation method of a composite electrode material. The invention aims to solve the problems of high internal resistance and poor charge-discharge cycle stability existing in the existing manganese dioxide electrode material. The method of the present invention: mix manganese sulfate, potassium permanganate and distilled water evenly, place the substrate in the mixed solution, perform hydrothermal reaction to obtain the manganese dioxide nanosheet material, and place the manganese dioxide nanosheet material in the plasma The enhanced chemical vapor deposition vacuum device is used for deposition to obtain the carbon particle / manganese dioxide composite electrode material. The invention is used for a preparation method of a carbon particle / manganese dioxide composite electrode material.

The invention relates to a zinc-bismuth-tellurium heterogeneous phase-change nanowire material and its preparation method and application. The material has an inner and outer two-layer structure, and the outer layer is made of ZnBi 2 Te 3 Nanosheets or nanorods are stacked, and the inner layer is composed of Zn nanowires. The preparation method is characterized by using the solid-liquid-gas (VLS) method, placing Zn powder on Bi 2 Te 3 The front end of the powder, so that Zn nanowires are formed first, and then ZnBi is grown on the Zn nanowires 2 Te 3 nanosheets or nanorods to form the overall Zn / ZnBi 2 Te 3 Heterostructured nanowires. Compared with the prior art, the invention can be used as the key material of the phase change memory with high thermal stability and low PCRAM operation power consumption.