476results about How to "Efficient cycle" patented technology

The invention relates to synthesis of first-class phosphorus functionalized polyether alkyl guanidinium ionic liquid, and an application of the first-class phosphorus functionalized polyether alkyl guanidinium ionic liquid in a homogeneous catalytic reaction. The functionalized ionic liquid of such class can be easily prepared by an ion exchange reaction between the polyether alkyl guanidinium ionic liquid and sulfonic acid type water soluble phosphine ligand. The designed phosphorus functionalized ionic liquid can be applied to organic reactions, including hydroformylation, hydroesterification, hydrocarboxylation and catalytic hydrogenation under the catalyzing of a transition metal; the dosage of the ionic liquid used in the catalytic reaction can be decreased; the activity of the catalytic reaction can be improved; a catalyst can be separated and cycled simply and conveniently.

The invention discloses a lithium nickel cobalt manganese positive electrode material. The lithium nickel cobalt manganese positive electrode material comprises a lithium nickel cobalt manganese oxide contained core pure phase layer having a thickness of 5-8mum, a surface coat containing oxides, phosphates or fluorides of coating elements comprising Li, Al, Mg, Ti and Zr and having a thickness of 50-100nm, and a superficial doped transition layer positioned between the core pure phase layer and the surface coat, containing doping elements comprising Al, Mg, Ti and Zr or one of rare earth elements and having a thickness of 1-2mum. The lithium nickel cobalt manganese positive electrode material can inhibit the material dissolving in a cycle process without reducing a specific capacity, and has the characteristics of high capability excellent cycle and rate performances, and excellent thermal stability.

A convection fan (410) is installed at an end surface (436) of a circular truncated cone-shaped projecting portion (430) projecting from the plate portion (420) of a convection fan duct (401). A portion (460) folded back toward the rear side is formed on the convection fan (410). The portion (460) is positioned on the side of the plate portion (420) of the convection fan duct (401) with respect to the end surface (436) of the circular truncated cone-shaped projecting portion (430) and is positioned laterally to the circular truncated cone-shaped projecting portion (430).

The invention discloses an anti-tumor nano medicine based on cross-linking biodegradable polymer vesicae and a preparation method of the anti-tumor nano medicine. The anti-tumor nano medicine is prepared by loading a medicine on reversible cross-linking biodegradable polymer vesicae of asymmetric membrane structures; the medicine is a protein medicine, a polypeptide drug or a small molecule medicine; the reversible cross-linking biodegradable polymer vesicae of the asymmetric membrane structures are prepared from a polymer in a manner of self-assembling and cross-linking in sequence; the molecular chain of the polymer comprises a hydrophilic chain segment, a hydrophobic chain segment and PEI molecules which are connected in sequence; the hydrophobic chain segment comprises a polycarbonate chain segment and / or polyester chain segment; the medicine can be compounded and loaded under the electrostatic interaction of PEI; a membrane is reversible cross-linking biodegradable polyester / polycarbonate which is good in compatibility; dithiolane of a side chain is similar to a human body natural antioxidant lipoic acid; a shell takes PEG as a background and can target to cancer cells; the anti-tumor nano medicine has the potential to be a nano medicine system with advantages of simplicity, stability, multifunction and the like.

The invention relates to a method for preparing a sludge-straw fibre composite material and application. Municipal sludge, straw fibre and industrial waste slag (desulfurized clinker and steel slag) are used as raw materials to prepare a sludge-fibre micelle copolymer by sludge modification technology and copolymer even stirring technology; the sludge-fibre micelle copolymer is used for ecological protection and restoration of a rock slope, a clay slope and a landfill field slope. The sludge-fibre micelle copolymer prepared by the technology recycles and utilizes sludge and straw fibre which are difficult to process; and compared with various green substrates, the sludge-fibre micelle copolymer does not need to add nitrogen, phosphorus, potassium and organic fertilizer to soil, reutilizes waste and greatly reduces cost. The straw fibre improves the tensile and flexural mechanical performance of the sludge-fibre micelle copolymer and further achieves the mechanical strength index of the slope protection. Grass seeds are mixed to the copolymer; and the hydrological effect of plant and mechanical reinforcement effect of a plant root system are utilized to effectively circulate moisture and achieve the functions of reinforcing the slope and greening environment.

Provided is a gearbox provided with a lubrication structure wherein a lubricant that has been distributed can be efficiently supplied to each location to be lubricated, and the power loss is small. The gearbox is comprised of shaft bodies supported by a case (10) in the axial directions of the shaft bodies; a plurality of gears which are supported by the shaft bodies and which are rotatably coupled to the shaft bodies by a shift clutch; a large-diameter gear (80) among the plurality of gears, which has a lower portion immersed in a lubricant contained in a lubricant storage area (91) formed in the lower portion of the case (10) and which rotates to distribute the lubricant upwardly; and a receiver (92) which extends in a direction of the rotational axis of the large-diameter gear (80) to collect the distributed lubricant and circulate the lubricant to locations to be lubricated. The receiver (92) is comprised of a vertical wall (92d) having a surface on which the lubricant that has been distributed to disperse above the receiver impinges and moves downwardly, to introduce the lubricant to a collecting portion of the receiver, and an introduction portion (94) having a surface on which the lubricant that disperses between the receiver (92) and the large-diameter gear (80) flows due to the inertia force, to introduce the lubricant to a collecting portion (92a).

The present invention provides an apparatus for dispersing pigment in a water-based or oil-based intermediate mixture for producing a coating composition comprising a mixer and a dispersing device, the mixer having a vacuum pump and capable of conducting a primary mixing of a pigment component and resin-containing liquid medium to form an intermediate mixture, the dispersing device capable of conducting the secondary mixing of the intermediate mixture, the mixer and the dispersing device being connected by pipes to form a circulation channel for the intermediate mixture, one of the pipes being provided with a seal-less pump, the intermediate mixture capable of circulating between the mixer and the dispersing device through the circulation channel.

The invention discloses a lithium ion battery silicon oxygen anode paste, a preparation method thereof, a battery anode and a lithium ion battery, and belongs to the technical field of lithium ion battery manufacture. The lithium ion battery silicon oxygen anode paste comprises deionized water and a solid material. The solid materials comprises, with 100 total parts by weight, 93 to 97 parts of silicon-oxygen anode active material, 1 to 2 parts of CMC, binder of 1.2 to 2.0 times the CMC, and 1 to 2 parts of conductive agent SP. The solid material of the anode paste uses the 93 to 97 parts silicon-oxygen anode active material instead of the conventional graphite and the like. The prepared silicon-based anode has a much higher gram capacity than that of the graphite anode. The gram capacityof the anode active material can be greatly adjusted by adjusting the silicon content. The lithium ion battery silicon oxygen anode paste has stable later cycle stability, and high first effect.

The invention discloses a preparation method of a multi-core type phosphate compound positive electrode material with a core-shell structure for a lithium ion battery, and belongs to the technical field of lithium ion batteries. The preparation method is characterized in that the compound positive electrode material xLiVPO4F yLi3V2(PO4)3 (1-x-y)LiVOPO4 of the lithium ion battery is prepared by adopting a chemical reduction-solid phase sintering technology. The preparation method comprises the following steps: (1), blending raw materials; (2), adding a carbon source as a reducing agent, mechanically activating and then drying in a vacuum drying oven to obtain a compound precursor; (3), calcining the compound precursor obtained in the step (2) in a sintering furnace under a non-oxidation atmosphere at a temperature of 600-800 DEG C for 1-24 hours, naturally cooling to 300-700 DEG C, and sintering for 1-10 hours to obtain the multi-core type compound positive electrode material xLiVPO4F yLi3V2(PO4)3 (1-x-y)LiVOPO4 with the core-shell structure. According to the compound positive electrode material prepared by adopting the preparation method, components of cores, formed by a selfoxidation-reduction reaction, sequentially comprise LiVPO4F, Li3V2(PO4)3 and LiVOPO4 from inside to outside, and an outermost layer is of a carbon-coated microstructure. The multi-core type phosphate compound positive electrode material is special in structure components, excellent in electrochemical performance, multiple in charging and discharging platforms, easily controllable in charge state, and suitable for a power battery.