410results about How to "Improve reuse efficiency" patented technology

The invention provides metal-organic framework materials with magnetic cores and preparation and application thereof, and belongs to the technical field of magnetic metal-organic framework materials. FeCl3 6H2O is adopted for preparing superparamagnetic Fe3O4 cores, cetyl trimethyl ammonium bromide is used as a template agent, sodium silicate is used as silicon sources of SiO2 shell layers, mesoporous SiO2 shell layers are formed on the surfaces of the Fe3O4 cores by adopting an ultrasonic wave method, the template agent is removed by roasting under protection of N2 after drying, and magnetic SiO2@Fe3O4 nanospheres are prepared. The SiO2@Fe3O4 nanospheres are used as cores, an in-situ self-assembly mesh structure IRMOFs is carried out on the surfaces of the SiO2@Fe3O4 cores through Zn metal ions and organic carboxylic acid ligands by adopting the ultrasonic wave method. The novel MOFs materials can be used as catalysts of liquid phase catalysis reaction, and also have application values in the aspects of adsorption, separation, biological medicine and the like.

A method for distributing uplink packet data channel includes making expansion on USF controlling distribution of uplink channel and furthermore adding time slot distribution identification for distributing time slot at specified time interval on USF and utilizing added time slot identification to distribute different time slot in the same time interval of the same PDCH different user for service.

The invention discloses a method for multiuser collaborated transmission for data based on service features, characterized in that short distance connection is established between voice user and data user, voice user can serve as collaborated user, employs voice channel for accomplishing uplink and downlink transmission during idle period of voice. The invention effectively promotes voice channel utilization efficiency without influencing voice service quality, can improves data service quality when telephone traffic is busy.

The invention relates to a preparation method of a visible light catalyst with a surface plasmon effect and application thereof. The active component of the visible light catalyst is a precious metal Au, and the carrier is one of TiO2, CeO2, Nb2O5, SiO2, Ta2O5, Al2O3 and ZrO2, wherein, Au accounts for 0.2-5% in mass content, and the particle size of Au particle is 2-20nm. Preparation of the catalyst consists of two steps: the first step is to prepare a carrier; the second step is to prepare an Au/TiO2 (CeO2, SiO2, Al2O3, Nb2O5, Ta2O5, ZrO2) visible light catalyst with a plasmon effect througha sol precipitation method. Au nanoparticles prepared by the method of the invention have good dispersibility, easily controllable size, high active component utilization rate, as well as the effect of high efficiency photocatalytic degradation of organic pollutants by visible light.

The invention is directed to the provision of a converter apparatus, an inverter apparatus, and a DC link voltage control method, wherein the upper limit value of the DC link voltage that rises due to regenerative energy occurring from a motor is set high, thereby increasing the regenerative energy to be stored in a DC link. The converter apparatus (10) comprises: a voltage detection part (11) for monitoring the DC link voltage occurring across the DC link (30); and a charge stopping part (12) for stopping charging a power storage part (C) when the detected value of the DC link voltage exceeds a predetermined upper limit voltage as the motor (3) is decelerated.

The invention relates to a preparation method and application of a novel photocatalysis material. On the basis of the action principle of semiconductor heterojunction, bismuth oxyhalide and titanium dioxide are composited to obtain a novel titanium based photocatalysis material with the characteristics of high catalytic activity, wide applicability and good stability. The preparation method adopted by the invention is simple and efficient and is easy to implement, and the use amount of the bismuth oxyhalide is less and is about 1-3%, therefore no increase of overmuch cost may be caused. The photocatalysis material obtained by the reaction is a porous nano particle with larger specific surface area, good dispersibility and high degree of crystallinity. In addition, the photocatalytic activity of the bismuth oxyhalide/titanium dioxide composite photocatalyst is very excellent, and either under ultraviolet or visible light irradiation, the bismuth oxyhalide/titanium dioxide composite photocatalyst can show high degradation performance both on gas phase and liquid phase organic matters.

The invention relates to a preparation method of a ZnO/MoS2 nanosheet compound photocatalyst. The photocatalyst with low price and high efficiency is obtained by doping a small amount of zinc oxide into molybdenum disulfide; specifically the photocatalyst is prepared by reacting the zinc oxide, sodium molybdate dehydrate and thioacetamide through a hydrothermal method. The ZnO /MoS2 nanosheet compound in the invention can quickly degrade organic pollutants, particularly dye organic pollutes, in waste water into non-pollution substances such as H2O and CO2 under normal temperature, normal pressure and illumination, and the ZnO/MoS2 nanosheet compound has lasting photocatalytic activity.

A method for realizing device access interface includes obtaining unit driving information of different units and forming unit adaptive information according to obtained driving information then utilizing formed adaptive information to update system call information in operation system, packaging unit access interface used for calling on different units based on updated system call information. The unit access system and its access method are also disclosed.

The invention relates to a magnetic nanosphere with a mesoporous shell and a quick preparation method thereof, which belongs to the technical field of magnetic nanospheres. A Fe3O4 core with superparamagnetism is prepared from FeCl3.6H2O, then a mesoporous SiO2 shell is quickly formed on the surface of the magnetic Fe3O4 core with an ultrasonic wave method by taking hexadecyl trimethyl ammonium bromide as a template agent and taking low-cost sodium silicate as a silicon source for wrapping the SiO2 shell on the surface of the magnetic Fe3O4, and finally, the template agent is removed by roasting under the protection of N2, thus obtaining the magnetic SiO2@Fe3O4 nanosphere with the mesoporous SiO2 shell and large specific surface area. The magnetic nanosphere has good application prospects in the aspects of magnetic adsorption, precious metal recovery, target administration carriers, bioprotein separation and the like.

The invention relates to a molecular sieve ceramic membrane material for olefin purification as well as a preparation method and application of the molecular sieve ceramic membrane material. In the molecular sieve ceramic membrane material, the particle sizes of molecular sieve particles supported on the surface of the ceramic material are 0.1-3 [mu]m, and the thickness of a molecular sieve layeris 3-5 [mu]m; during preparation, ceramic material pretreatment, molecular sieve seed crystal pre-coating and sealed crystallization are sequentially carried out; and the molecular sieve ceramic membrane material is used for removing a polar oxygenated compound in a gaseous olefin flow to be 1ppm or below. Compared with the prior art, the molecular sieve ceramic membrane material prepared by the preparation method of the invention has the molecular sieve layer with higher mechanical strength, larger specific surface area and uniform thickness, in addition, the molecular sieve layer has no longitudinal or horizontal cracks, has no air pores in the surface and is high in bonding strength and not easy to fall off; and when the polar oxygenated compound in the olefin flow is adsorbed, the purification depth is 1ppm or smaller, so that not only is the mass transfer resistance lower, but also the energy consumption is lower, and the regeneration capacity is high.

The invention discloses a salt-containing wastewater treatment method. The wastewater goes through an adjusting tank, a softening sedimentation tank, a multi-medium filter, an ultrafiltration device, a first-section roll type reverse osmosis system, a second-section roll type reverse osmosis system, an ion exchange device, a roll type nanofiltration membrane device, a high-pressure reverse osmosis membrane system, a third-section roll type reverse osmosis system and an efficient evaporator. The treatment method disclosed by the invention has the advantages of strong anti-pollution capacity, solution of blocking problem, high concentration multiple, high recycling efficiency, high treatment efficiency, high automation degree, investment saving and low operation cost.

The backlight has an anisotropic diffusion sheet disposed between the reflective polarizing plate and the optical path converter. The anisotropic diffusion sheet includes a refractive index anisotropic diffusion sheet stretched in an absorption axis direction in which a concave-convex portion is formed on a surface of the reflective polarized plate, and an isotropic material part laminated on a surface of the concave-convex part. The isotropic material part has an isotropic reflective index. The refractive index of the isotropic material part is the same as the refractive index in the transmission axis direction perpendicular to a stretching direction of the refractive index anisotropic sheet.

The invention provides a method for modulating a dual-quadrature phase shift keying signal. The method comprises the following steps of: generating four paths of irrelevant equipower binary service signals S1(t), S2(t), S3(t) and S4(t); combining the four paths of irrelevant equipower binary service signals into a path of base band complex signal S(t) by using the following shown in the specification; and performing quadrature modulation on a real signal and a virtual signal of the base band complex signal S(t) so as to form the dual-quadrature phase shift keying signal. In the method, the four service signals are modulated on the same carrier, so that the constant signal envelopment and the high multiplexing efficiency are realized, and the emission quality and the power efficiency of sequential signals are improved.

The invention discloses a method for searching a microblog message, comprising the following steps of: presetting classified display page controls and a universal microblog message show control; receiving a search request from a display page control and obtaining the information of the display page control to which the search request belongs; and interpolating all the obtained information into the corresponding positions of the universal microblog message show control orderly according to the settings of the universal microblog message show control, and showing the same on the respective display pages. The invention also discloses a device for searching a microblog message. With the method and the device provided in the invention, the time of searching a desired microblog message by a user can be reduced, and the experience of the user is enhanced.

The invention relates to a preparation method of a Ce2S3/TiO2 nanosheet composite. According to the method, a small amount of titanium dioxide is doped into cerium sesquisulphide to obtain a cheap andefficient photocatalyst, and specifically, the Ce2S3/TiO2 nanosheet composite is prepared from titanium dioxide, cerium nitrate hexahydrate and thioacetamide through a hydrothermal method and a calcination reaction. The Ce2S3/TiO2 nanosheet composite involved in the invention is capable of rapidly degrading organic pollutant, especially dye organic pollutant in wastewater into pollution-free substances such as H2O and CO2 under normal temperature, normal pressure and illumination, and has lasting photocatalytic activity.

The invention discloses an energy recycling system and method for a liquid hydrogen fuel cell car. The system comprises a superconducting coil, a superconducting switch, a full-bridge type direct current chopper, a superconducting current lead, a direct current link capacitor, a DC-AC bilateral transducer, a vehicle-mounted motor and a measurement and control system, wherein the superconducting coil is immersed in a liquid hydrogen container, the superconducting switch and the full-bridge type direct current chopper are installed in a low-temperature Duval, and the superconducting current lead, the direct current link capacitor, the DC-AC bilateral transducer, the vehicle-mounted motor and the measurement and control system are arranged in a low-temperature hydrogen pipeline. The superconducting current lead is used for connecting the superconducting coil, the superconducting switch and the full-bridge type direct current chopper. The low-temperature hydrogen pipeline is used for connecting a liquid hydrogen fuel cell, the liquid hydrogen container and the low-temperature Duval. Compared with the prior art, the energy recycling system has the advantages that the superconducting coil is cooled directly through vehicle-mounted liquid hydrogen, the superconducting current lead, the superconducting switch and the full-bridge type direct current chopper are cooled directly through the low-temperature hydrogen produced through gasification of the vehicle-mounted liquid hydrogen, a supermumetal energy storing device is actually used in the liquid hydrogen fuel cell car, the brake energy recycling and reutilizing ratio of the car is improved, and staring time and accelerating time of the car are shortened.

The invention discloses a module reuse achievement method based on module packaging. The module reuse achievement method based on the module packaging comprises the steps of (1) analyzing the system requirement, obtaining a common function of functions in a system, (2) determining a corresponding ExtJS module for achieving the common function according to the obtained common function, (3) carrying out primary packaging on the determined ExtJS module, (4) obtaining sub-modules with the same module attribute value and the same method in the ExtJS module after the primary packaging, carrying out secondary packaging on the obtained sub-modules, (5) carrying out third packaging on shown or hidden attributes of the ExtJS module after the primary packaging and the sub-modules after the secondary packaging, and (6) calling any one or the combination of the set ExtJS module, the ExtJS module after the primary packaging, the sub-modules after the secondary packaging and a module after the third packaging to achieve the functions needed by a user interface according to the functional requirement of the user interface. When the module reuse achievement method based on the module packaging is applied, efficiency of the module reuse can be improved.

A bathroom sewage omni-directional recycling and automatic cyclic utilization system comprises a sanitary ware sewage module, a primary recycling and processing module, a secondary recycling and processing module and a recycled water reuse module. The primary recycling and processing module comprises a primary lower water storage tank with a primary filter device. The secondary recycling and processing module comprises a secondary high water storage tank with a secondary filter device. Sewage generated by the sanitary ware sewage module enters a sewer or a sewage isolation chamber, the sewage in the sewage isolation chamber enters the primary lower water storage tank after being filtered through the primary filter device and then is conveyed to the secondary high water storage tank through a water pump to be secondarily filtered through the secondary high water storage tank, and secondarily filtered water is conveyed to the recycled water reuse module to achieve reuse. The bathroom sewage omni-directional recycling and automatic cyclic utilization system further comprises a pipe valve conveying module and an automatic control module, so that automatic cyclic utilization is achieved, and water resources are saved.

An object of the present invention is to provide a servo motor driving apparatus and a servo motor driving method for driving a plurality of servo motors, wherein provisions are made to improve the reuse efficiency of servo motor regenerative energy. The servo motor driving apparatus (2) comprises: a plurality of inverter circuits (4, 4″, 4″) which supply AC power to the plurality of servo motors (5, 5′, 5″), respectively; a converter circuit (3) which supplies electric power in common to the inverter circuits (4, 4′, 4″); and an inverter control unit (6) which, when giving an acceleration command to any one of the servo motors, gives a deceleration command to another one of the servo motors at the same time.