683results about How to "High load rate" patented technology

A powertrain for transmitting power to a driven wheel of a motor vehicle includes a power source that includes a reversible electric machine. A first transmission includes an input driveably connected to the power source, a first output, and a mechanism for producing a stepless variable range of ratios of a speed of the output to a speed of the input. An epicyclic transmission includes a second input driveably connected to the power source, a third input driveably connected to the first output, and a second output driveably connected to a drive wheel. The transmissions produce a range of speed of the drive wheel that varies from negative to positive and includes zero.

Apparatus for separating particulate matter from an airstream includes a housing including an intake for particulates-containing air and an exhaust for cleaned air, in which the apparatus includes a primary vortex generator in the intake air and the housing includes a separation zone which includes primary and secondary separation chambers each associated with respective particulates collector and including an interconnector adapted to generate a secondary vortex in the secondary separation chamber.

An automated method and system for identifying date-sensitive entries in a database wherein an obligation must be satisfied relative to the entry according to instructions provided by the beneficiary of the obligation. The method and system of the invention can be practiced from a location remote from the database and are particularly useful in a number of situations and particularly those wherein unticketed reservations are maintained in a storage medium for a time prior to issuance of a ticket to “firm up” the reservation to a ticketed status. The present system and methodology finds particular utility enforcing ticketing time limit rules on travel agency or other reservation and ticket issuers involved in the reserving and ticketing of airline bookings and the like and results in the reduction of no-shows and overbooking while increasing onboard load factors on sold-out flights in particular. The automated system of the invention is capable of operating essentially continually throughout seven days a week and twenty-four hours each day to constantly “firm” all or selected flights of a given carrier. Enforcement of ticket time limit rules can extend at the option of a user to booking class, market, point of sale and the like or any combination thereof.

The invention provides in part a blended mulch product of at least two types of bio-degradable materials having different geometric shapes and physical properties. The first type of bio-degradable material may be a ligno-cellulosic fiber, such as a refined softwood ligno-cellulosic fiber, and the second type of bio-degradable material may be a wood-based flake, such as a processed wood residual.

The invention discloses a bionic three-dimensional tissue engineering scaffold, which is formed by high molecular fibrous membrane-loaded active growth factors, or active growth factors loaded on a composite scaffold formed by a high molecular fibrous membrane and a macropore spongy layer. With the adoption of the bionic three-dimensional tissue engineering scaffold, the problem that the concentration of active molecules loaded with an emulsion electricity texture fibrous membrane is low; the emulsion electricity texture fibrous membrane is combined with a macropore spongy or a mixed electricity texture process, so that the load rate of the active factors can be greatly improved; parts of factors are retained in the fiber through an emulsion electricity texture core-shell structure, so that the effective control of releasing time is realized, and a repairing process is monitored for a long time; and the introduction of active molecules in the scaffold plays guiding and promoting functions for proliferating regenerative cells, directionally differentiating, migrating and adhering cells, and capturing stem cells to introduce regenerative functions of newly born tissues, so that a new path is provided for development of regenerative medicine industries.

A powertrain for transmitting power in a vehicle includes a prime mover having a relatively slow transient response, and a storage device for storing energy in a predetermined form. A transmission includes an input driveably connected to the prime mover and an output driveably connected to vehicle drive wheels, producing a range of ratios of a speed of the output to a speed of the input that varies from negative to positive and includes zero. An energy conversion device, driveably connected to the prime mover and drive wheels, converts rotational power transmitted to the energy conversion device from the wheels and the prime mover to a form of energy that can be stored in the storage device, and drives the wheels using energy supplied to the energy conversion device from the storage device. A control device alternately transmits energy from the storage device to the energy conversion device, and transmits energy from the energy conversion device to the storage device.

The invention provides a preparation method of an activated carbon fiber photocatalysis net loaded with a nano titanium dioxide, including the following steps: (1) immerging an activated carbon fiber cloth or a activated carbon fiber felt into ammonia water solution, cleaning by ultrasonic , washing by water, then immerging the washed product into nitric acid solution, processing by ultrasonict, washing again by water, and then immerging the product in acetone and then taking out and washing by water, and drying; (2) immerging the product of step one into epoxide resin acetone solution containing nano TiO2 powder, then drying in the vacuum, roasting for 2-4 hours at a temperature of 370-570 DEG C under nitrogen atmosphere, and cooling, thus obtaining the activated carbon fiber photocatalysis net loaded with nano titanium. The invention has degradation efficiency of formaldehyde as high as 80-90%, good load intensity, high unit mass activated carbon fiber TiO2 load factor and high specific surface area, can fast degrade volatile organic contaminant and can be used repeatedly.

The invention discloses a carboxylic acid compound as well as a preparation method and application thereof. When the carboxylic acid compound is applied to extraction separation of metal ions, the separation coefficient is high, the reverse extraction acidity is low, the load rate is high, and the reverse extraction rate is high. The carboxylic acid compound serving as an extraction agent is highin stability and low in water solubility, so that the extraction process is stable, the environmental pollution can be reduced, and the cost is reduced. The carboxylic acid compound disclosed by the invention is low in cost, has a great application prospect and can be used for various systems such as ternary battery recovery and battery-grade nickel sulfate preparation.

The invention discloses a method for preparing a graphene-loaded platinum nano catalyst, which comprises the following steps of: (1) preparing graphene (GNS); (2) preparing polydiallyl dimethyl ammonium chloride (PDDA) functional graphene; and (3) preparing the graphene-loaded platinum nano (Pt / GNS) catalyst. The method has the advantages of uniformly adsorbing and distributing PtCl6<2-> with negative charge on the surface of the GNS through electrostatic adhesion by using positive charge uniformly distributed on the surface of the PDDA-modified GNS, solving the technical problem that metallic particles per se aggregate, realizing higher loading rate of PtNPs and having uniform grain size and controllable size.

A process for carrying high-density Pt on the surface of carbon nanotube by directional chemical deposition features that the carbon nanotubes, platium chloride and surfactant take part in reaction in polyol to obtain a catalyst used for oxidization reaction of methanol with high electrocatalytic performance.

A pre-fabricated, self-contained biological fluidized bed apparatus for the treatment of wastewater, which offers easy and uniform expansion for various types of commercially available media, by means of a conical bottom and a single, non-clogging flow distribution pipe. Besides the biological treatment accomplished within the fluidized bed, this reactor provides mechanical solids / gas / liquid separation and upflow sludge blanket clarification to improve effluent quality. Additional unique features of this apparatus are a rotating surface skimmer and an excess sludge collection and thickening device powered by an externally mounted drive. With this reactor configuration, anaerobic and anoxic biological treatment and subsequent clarification are achieved in a single enclosed tank.

The invention relates to a sustained-release granular formulation for preventing and treating crop diseases and insect pests and a preparation method thereof. The pesticide sustained-release granular formulation comprises bentonite, an organic modifier, pesticide active ingredients, an inert filler and a binding agent, and is prepared by the preparation method comprising the steps of: (1) with the bentonite as a basic material, modifying the bentonite by the organic modifier to obtain organic bentonite; (2) loading the pesticide active ingredients on the organic bentonite to prepare medicine-carrying organic bentonite; and (3) mixing the medicine-carrying organic bentonite, the inert filler and the binding agent proportionally, and pelleting to obtain the sustained-release granular formulation. The preparation method of the sustained-release granular formulation, provided by the invention, not only overcomes the defect of low pesticide loading rate of the natural bentonite, but also realizes the controlled release of the pesticide by adjusting a chemical structure and the amount of the modifier, so that the sustained-release granular formulation is coincident with an occurrence rule of the plant diseases and insect pests, and the pesticide sustained-release granular formulation is used safely, reasonably, economically and effectively.

The invention relates to a preparation method of a nanometer graphene oxide carrier for the photodynamic therapy. The method is characterized in that: the surface of nanometer graphene oxide, which is modified by a hydrophilic polymer, loads a hydrophobic photosensitizer containing a large pi-conjugated structure through the pi-pi accumulation and the hydrophobic-hydrophobic interaction, so a product for the photodynamic therapy is obtained. Compared with the prior art, the photosensitizer loading rate of the nanometer graphene oxide carrier, which is high to 14 wt%, is higher than the photosensitizer loading rate of other photosensitizer carriers, such as a polymer micelle, a liposome, a liposome, a nanometer silicon ball and the like, so the nanometer graphene oxide carrier which can be applied to the photodynamic therapy has a good treatment effect, and has an obvious inhibitive ability on the growth of cancer cells under the irradiation of near infrared light, so a novel high efficiency loading photosensitizer system is provided for the treatment of cancers of tumors at shallow skin surfaces.

The invention relates to the technical field of a sodium ion battery, in particular to a MoS2 / nitrogen-doped carbon tube composite material and preparation method and application thereof. Low-cost melamine sponge is used as a template material, a layer of MoS2 is grown on a surface of sponge fiber, high-temperature calcination is performed under argon protection, the sponge fiber contracts and iscollapsed from inside to outside, a unique three-dimensional hollow structure is grown, a layer of MoS2 nanosheet is uniformly grown at an outer layer, a nitrogen-doped carbon tube structure is arranged at an inner layer, electrolyte moving is facilitated, rapid electron transfer is also facilitated; and a nitrogen-doped carbon tube is arranged at an inner wall, many active sites are increased bya large amount of nitrogen, and the material obtains very excellent cycle property and rate performance when used as a sodium ion battery negative electrode material.

The present invention is a catalyst for use in a fuel electrode of a polymer solid electrotype fuel cell which is formed by making a carbon powder support platinum and ruthenium thereon, and is characterized in that the loading ratio between platinum and ruthenium is from 1:2.5 to 1:4 (in molar ratio). It is preferable that the loading density of the catalyst is 40 to 70%. Additionally, it is preferable that a carbon powder having a specific surface area of 600 to 1,200 m2 / g is used as the carrier supporting the catalyst particles.

The invention discloses a method for preparing a halogenated nitrobenzene selective hydrogenation high-activity nano-ruthenium catalyst, which comprises the following steps: evenly mixing surfactant aqueous solution with pre-dissolved ruthenium salt solution; adding a reducer to deoxidize the mixture so as to form surfactant stable nano-ruthenium colloidal solution; adding a carrier to the ruthenium colloidal solution for adsorption, and filtering the mixture after the adsorption; and washing the catalyst until the filtrate is neutral to obtain the highly-dispersed supported nano-ruthenium catalyst. The method has the advantages of simplicity, low cost, good repeatability and environmental protection, and the prepared catalyst has high dispersion degree and long service life.

The invention discloses a water-soluble graphene-noble-metal nano-composite and a preparation method and application thereof. The nano-composite comprises a graphene lamina and noble metal nano-particles covalently bonded on the graphene lamina through L-gystein. The preparation method for the water-soluble graphene-noble-metal nano-composite comprises the following steps of: ultrasonically dispersing a graphite oxide nano-sheet in ultra-pure water; adding L-gystein hydrochloride and a reductive agent to perform a reduction reaction; adding a noble metal ion solution; and adding the reductive agent to perform the reduction reaction again to obtain the nano-composite. The nano-composite can be used as a conductive material. The nano-composite has the characteristics of high load rate, good water solubility and biocompatibility, simple operation and environmental protection.

A strut top mount is optimized to provide a resilient response to jounce and rebound load rates that is symmetrical and linear over a predetermined range of travel. An annular tower is formed of the body structure. A central bracket has adhered thereto an outer resilient element that abuts the tower, and has adhered oppositely thereto an inner resilient element. A bearing is supported by the central bracket, and a spring seat is supported by the bearing. A sleeve is received by a strut shaft and adhered to the inner resilient element A lower washer abuts a lower end of the inner resilient element. An upper washer abuts an upper end of the inner resilient element. A retention washer is mounted onto the strut shaft, wherein a periphery thereof has a retention washer resilient element. The components are collectively tuned to provide the optimization.

The invention relates to a sponge composite metallic organic framework material for adsorption separation and belongs to the technical field of materials. According to the invention, a two-step in-situ growth method is adopted for loading MOFs (metallic organic framework material) into a duct in a sponge carrier. The MOFs is synthesized from following organic ligands and metal salts, wherein the organic ligands include pyrazine, trimesic acid, terephthalic acid, 2,5-dihydroxyterephthalic acid, and the metal salts include cupric fluosilicate, magnesium nitrate, zirconium chloride, cupric nitrate, chromic nitrate, ferric nitrate, aluminum nitrate and hydrates thereof. According to a preparation method provided by the invention, a large amount of MOFs loaded in the duct in the sponge carriercan be realized; MOFs load rate is high; load is stable; the defects of fragility and easiness in loss of MOFs powder can be overcome; a breakthrough experiment proves that the material provided by the invention has the characteristics of high CO2-absorbing capacity, high adsorption separation selectivity, stable adsorption separation property, and the like.

The invention discloses an intelligent intermittent pumping control device for an oil pumping machine. The intermittent pumping control device for the oil pumping machine comprises an intermittent pumping controller, an electric control box, a displacement sensor, a load sensor and a wireless antenna; the displacement sensor measures displacement at a polished rod of the oil pumping machine and is connected to the intermittent pumping controller; the load sensor measures a load at the polished rod of the oil pumping machine and is connected to the intermittent pumping controller; the intermittent pumping controller is connected with the electric control box, and comprises a power supply module, a communication module, a control module and an electric quantity module; the electric quantity module acquires the current, the voltage and the power of the oil pumping machine in a working process, and transmitting the current, the voltage and the power of the oil pumping machine to the control module; the communication module is connected with the wireless antenna; the control module acquires start-stop information of the oil pumping machine according to the load and the displacement at the polished rod of the oil pumping machine, and transmits a start-stop command to the electric control box; the electric control box comprises a power supply unit and a frequency converter, and realizes the start-stop of the oil pumping machine and the adjustment of jig frequency according to the command of the intermittent pumping controller. The invention also discloses a control method of the intermittent pumping control device for the oil pumping machine.

The invention provides a method for preparing an activated carbon-carried nano-gold catalyst, comprising the following steps of preparing a dipping solution, adding at least one organic acid protective agent in the dipping solution, wherein the pKa value of the organic acid protective agent is close to the isoelectric point of the activated carbon / activated carbon fiber carrier, adjusting the pH value of the dipping solution to be close to the isoelectric point of the activated carbon / activated carbon fiber carrier; quickly and evenly putting the activated carbon / activated carbon fiber carrier in the dipping solution, mechanically stirring or ultrasonically mixing, standing, filtering, and then rinsing and drying the filtered carrier; roasting and reducing the dried gold-carried carrier to obtain an activated carbon / activated carbon fiber-carried nano-gold catalyst. The invention makes gold particles carried on the activated carbon have small size and be distributed evenly and improves the utilization rate of gold; and the low-concentration ozone and volatile organic compound in the air can be effectively dissolved by the catalyst.

The invention relates to a preparation method for a biosensor based on graphene / carbon nano-tube, and belongs to the technical field of material preparation. The method mainly adopts polyethylene glycol to functionally modify the graphene in order to modify the dispersibility of the graphene; and the graphene is combined with the carboxylated carbon nano-tube to form a three-dimensional net structure which is modified on a glassy carbon electrode; and acetylcholin esterase is fixed on the electrode to implement the quick electrochemical gaging for organophosphorus. The carbon nano-tube achieves the effect of molecular guide lines, and can transfer electrons to an enzyme redox center so as to largely quicken the response speed. A nanometer composite material, prepared by the method, has good biocompatibility, and brings convenience to fix biological enzyme; and the preparation method is low in cost, and is simple and fast. The biosensor, prepared by the method, has high sensitivity and good stability, can implement the quick scene quantitative detection for a large amount of samples, and can be widely applied in the environmental monitoring aspect.

A powertrain for transmitting power to a driven wheel of a motor vehicle includes a power source that includes a reversible electric machine. A first transmission includes an input driveably connected to the power source, a first output, and a mechanism for producing a stepless variable range of ratios of a speed of the output to a speed of the input. An epicyclic transmission includes a second input driveably connected to the power source, a third input driveably connected to the first output, and a second output driveably connected to a drive wheel. The transmissions produce a range of speed of the drive wheel that varies from negative to positive and includes zero.

The invention discloses a heavy-load low-structure-complexity double-coaxial-twin-rotor unmanned aerial vehicle, wherein rotor transmission mechanisms are arranged at the left side and the right side of a vehicle body of an unmanned aerial vehicle body; through transmission mechanisms arranged on the unmanned aerial vehicle body, power is transmitted to the rotor transmission mechanisms arranged at the two sides of the unmanned aerial vehicle body through driving shafts; the rotor transmission mechanisms transmit the power to an upper rotor and a lower rotor through an upper rotor transmission rod and a lower rotor transmission rod via the transmission among four mutually engaged bevel gears; and the identical-rotating-speed and opposite-direction rotation of the upper rotor and the lower rotor is realized. A total variable-pitch mechanism is arranged between the upper rotor transmission rod and the upper rotor, and the regulation of the pitch angle and the roll angle of the unmanned aerial vehicle is realized; a variable-total-pitch mechanism is arranged between the lower rotor transmission rod and the lower rotor, the regulation of the total pitch of the unmanned aerial vehicle is realized; and the yaw angle and the total lift of the unmanned aerial vehicle are controlled. The heavy-load low-structure-complexity double-coaxial-twin-rotor unmanned aerial vehicle has the advantages that the characteristics of heavy effective load and high output power are realized; and a redundancy design method is adopted, and the flight stability of the unmanned aerial vehicle is improved through the design of multiple rotors and multiple sets of variable-pitch mechanisms.

The invention relates to a photocatalysis air purifying device. The device comprises a frame (1) and an ultraviolet lamp tube (2) installed in the frame (1), wherein the frame (1) is provided with an airflow passageway with a cross-ventilation function. The device is characterized in that the frame (1) is internally provided with a titanium-nickel compounded photocatalysis net (3); the titanium-nickel compounded photocatalysis net (3) comprises a photocatalysis titanium net (30) and a photocatalysis nickel net (31); the titanium-nickel compounded photocatalysis net (3) is a compounded photocatalysis antibiosis foam metal net of a three-dimensional space structure and comprises a foam nickel substrate and TiO2 loaded on the surface of the foam nickel substrate; the air inlet of the airflow passageway of the frame (1) is provided with a dust filtering net (4); the outlet of the airflow passageway of the frame (1) is provided with strip bars (7) or a porous baffle; and a fan (6) is arranged in the frame (1) or at the rear part of the frame (1). By using the photocatalysis air purifying device of such structure, the effects of volatile organic compound (VOC) degradation, disinfection and sterilization are obvious.

Multi-layered polymer devices having three-dimensional containers for holding a therapeutic and / or imaging agent are provided. The devices have a high loading ratio of agent to polymer material for effective treatment. Delivery wings or regions with channels connected to the containers are also incorporated in the devices. The delivery wings can be flexible and insertable into hollow instruments, such as a needle. Anchoring structures are also provided for fixing the position of the device after injection into a subject. The polymer layers of the device can be biodegradable. Biodegradable materials can also be used to provide controlled release of agents, such as for immunizations and other therapeutic or non-therapeutic applications.

The present invention discloses a method for an efficient entrapment of active biological material in liposomes. The method is based on the steps of drying a suspension of liposome-forming lipids and then hydrating the dry composition obtained with an aqueous solution containing a biologically active material to be entrapped in high yield in the liposomes thus formed. The invention also concerns liposomal formulations produced by the method of the invention and their uses.

The invention relates to an economic dispatch optimization method of an independent microgrid on the basis of dual master control dynamic cooperation. The independent microgrid comprises two types of master power of a battery energy storage system and a diesel generating set, and two types of non-master power of a wind generating set and a photovoltaic power generation system; the method comprises 1) an economic dispatch optimization strategy of a system when the battery energy storage system is adopted as the master power of the independent microgird; 2) the economic dispatch optimization strategy of the system when the diesel generating set is adopted as the master power of the indepentdent microgird; 3) an economic dispatch optimization process of the independent microgrid of dual master control dynamic cooperation on the basis of a particle swarm optimization algorithm. The economic dispatch optimization method of the independent microgrid on the basis of dual master control dynamic cooperation solves the problem of economic dispatch optimization of two different types of master power of the battery energy storage system and the diesel generating set in the independent microgird, can simultaneously pursue the aims of an optimal operation control mode of the system and minimum generating cost, effectively realize the aim of minimum generating total cost of economic operation and maximum using of renewable energy sources of the independent microgird system, and improve the economic operation performance of the microgrid.

The invention discloses a monolithic catalyst for high-water-content acrylic acid waste gas purification and a preparation method of the monolithic catalyst. The preparation method comprises the steps of: loading rare earth oxide modified active aluminum oxide, cerium oxide and trace precious metal on the surface of a cordierite honeycomb ceramic carrier by adopting a once vacuum coating method to prepare a monolithic palladium catalyst; and then treating acrylic acid waste gas and methylacrylic acid tail gas with high water content through a catalytic combustion method by using the catalyst, and removing low-concentration organic pollutants in the waste gas so that emitted gas reaches the relevant atmospheric pollutant emission standard in China. The monolithic catalyst has the advantages of simple preparation process of the once vacuum coating method, short production period, low energy consumption and high load rate of the active coating, strong bonding force with the cordierite honeycomb ceramic carrier, and improved activity and stability because precious active components are uniformly dispersed in the aluminum oxide active coating.

The embodiment of the invention provides a power supply system for a data center, relates to the field of a power system, and aims at solving the problems of small efficiency of a power supply of a server of the data center and large energy consumption of the power supply system caused by the double-power sharing mode and UPS (Uninterrupted Power Supply) of the server. According to the specific scheme, the power supply system comprises a first commercial power supply device, a second commercial power supply device and a high voltage DC system, wherein the first commercial power supply device is used for outputting first commercial power and supplying power to a server through a power supply of a first server; the second commercial power supply device is used for outputting second commercial power in case of failure of the first commercial power and supplying power to the high voltage DC system and the power supply of a second server; the high voltage DC system is used for converting the AC of the second commercial power into the high voltage DC to be output to the power supply of the second server; the power supplies of the first server and the second server both comprise voltage regulating switches for regulating output voltage of the power supply of the first server or the power supply of the second server; the power supplies of the first server and the second server are connected in parallel to supply power to the servers. The power supply system supplies power to the data center.