63results about How to "Good competitive advantage" patented technology

The present invention uses “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology in conjunction with high efficiency compact imaging and non-imaging optics to provide an emergency light that is more compact, offers higher performance with respect to luminance levels (higher brightness), longer life, and lower cost relative to systems incorporating pre-packaged LED devices. The thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a metal core (or other high thermal conductivity material substrate), thereby increasing temperature dependant life and thermally dependant output power. Additionally, because there is no encapsulant or domed optic over the LED die initially, it is possible to get a much more compact and efficient substantially Etendue (area, solid angle, index squared product) preserving collection optic directly over the die. Cost is significantly reduced for COB configurations due to elimination of the expense of additional components attached to the LED die for the case of pre-packaged LED devices.

The invention provides a method for preparing a construction material by utilizing electrolytic manganese slag, including the following steps: (1) pretreatment: additive is blended in the electrolyticmanganese slag, water is added for fully stirring, and the raw material reacts in the open air for 1-7 days, wherein the added additive is mixture of lime, plaster and kaolin; (2) cement, sandstonescoarse aggregate, sandstones fine aggregate and component selection air entraining agent are added into the electrolytic manganese slag after the pretreatment, water is added and blended evenly to form a mixture; (3) the mixture is loaded into a mould and formed on a compression forming machine by vibration and pressurizing, and then demoulding is carried out; (4) adobe is naturally cured for 14-28 days, thus obtaining the electrolytic manganese slag construction material product. The technique is simple with high product quality and low production cost and has good social, economic and environmental benefits.

The invention discloses a method for melting a nickel alloy by a selective ink instead of a dry film, which comprises the following steps: (1) selectively coating ageing resistant nickel alloy ink on a circuit board by a screen printing technology to form a wet film; (2) drying the ink; (3) exposing the ink; (4) developing the wet film so as to expose the required copper surface; (5) performing nickel alloy melting on the circuit board; and (6) removing the wet film. The selective ink instead of the dry film is used for selective nickel alloy melting, so the cost is greatly reduced, and the combination effect of the wet film and the board surface is superior to the combination effect of the dry film and the board surface, unfavorable phenomena such as diffusion coating and the like can beeffectively prevented, the defective rate of production is reduced and the quality of products is ensured. In addition, the method simplifies the manufacturing flow, saves the ink, greatly reduces theemission of pollutants, saves the expenses of wastewater treatment and is simultaneously favorable for the protection of ecological environment.

The invention relates to a preparation method of boehmite, particularly a preparation method of ultralow-sodium boehmite. In the preparation process, aluminum hydroxide is used as the raw material. The preparation method is characterized by comprising the following steps: adding water into the raw material aluminum hydroxide to obtain a pulp, and carrying out hydrothermal treatment, wherein in the hydrothermal treatment process, boehmite and the like are added as seed crystals to control the granular form of the boehmite, and acid or acidic electrolyte is added to enable the pulp to be weakly acidic, thereby further reducing the sodium content in the boehmite; and filtering, washing and drying to obtain the boehmite. The method provided by the invention has the advantages of simple production technique, wide material source, low production cost and the like, and is an ideal method for preparing ultralow-sodium boehmite and aluminum oxide.

The invention discloses a four-die stepless speed change series-parallel hybrid power driving system, belonging to the technical field of automobile hybrid driving. The system comprises an engine, a clutch, two motors, corresponding transmission chains of the two motors, a power transfer switching device, a planetary gear differential device, a deceleration differential device, an energy storage device and a motor control device. The system provided by the invention has the characteristics of better technical inheritance with existing vehicles, overall dynamic property, fuel economy and low emission, and has functions of four-die driving, stepless speed change and series-parallel system; the problems of insufficient driving power, lack in ramp starting ability, large system volume and high cost of the existing similar technologies and the problems that the stepless speed regulation of the engine cannot be realized and the batch industrialization is difficult as the electromechanical components are difficult to manufacture are solved, and organic combination of high performance, low development cost, low system cost and easy implementation of scale industrialization is realized.

The present invention belongs to the field of polymer materials, and in particular relates to a biodegradable material, a preparation method and use thereof in preparation of a film container. The biodegradable material is prepared from the following components in parts by weight: 5 to 40 parts of polylactic acid, 5-40 parts of inorganic powder, 10-60 parts of PBAT, and 0.2-12.6 parts of an aid. The biodegradable material is prepared from good biodegradable polylactic acid and PBAT recycled materials and second line materials as main components with a large amount of inorganic powder and a plurality of finely-selected additives, physical and chemical modification are performed by mixing, molecular structure modification and self-combination and compounding are performed, and application performance is improved to achieve the characteristics of water resistance, oil resistance, leakage resistance, high impact resistance, strong rigidity, and good flexibility and achieve the performance of traditional plastics, cost is greatly reduced, and the biodegradable material is an ideal alternative of the traditional plastics.

The invention provides micropore type coating sizing and a preparation method of the micropore type coating sizing. The micropore type coating sizing is characterized by comprising the following components in parts by weight: 100 parts of polyurethane resin, 15-25 parts of toluene, 15-25 parts of butanone, 2-6 parts of bridging agent, 1-5 parts of anti-skinning agent, 1-5 parts of waterproof agent and 30-60 parts of water. The preparation method of the micropore type coating sizing is characterized by comprising the following steps of: weighing, adding the raw materials, stirring and sealing up for safekeeping. The invention has the benefits as follows: the bridging agent, the anti-skinning agent and the waterproof agent are used as assistants in a formula and sequentially added in a mixture of polyurethane resin, toluene and butanone, so that the prepared sizing forms a white emulsion system which is stable and can be kept for long time; and the sizing is coated on a textile by a scraper and has a specific micropore structure, so that the prepared fabric has good moisture penetrability and waterproofness.

The invention provides a barrier degradable antibacterial food fresh-keeping film and a preparation method thereof. The preparation method comprises the following steps: drying polylactic acid and anantibacterial nanomaterial, weighing the polylactic acid, the antibacterial nanomaterial, a plasticizer, an antioxidant and a chain extender, and carrying out extrusion granulation on the obtained mixture to obtain modified polylactic acid resin particles; and adding the modified polylactic acid resin particles into a casting machine, extruding the particles to form a casting sheet, and carrying out bidirectional stretching. The barrier degradable antibacterial food fresh-keeping film keeps the performances of a basic film, has excellent antibacterial activity and heat resistance and a high barrier function, can be applied to packaging materials, can replace functional packaging materials such as PVDC, PA and EVOH aluminum-platinum materials, can be completely biodegraded when applied inorder to prevent environmental pollution, can be completely comparable with petroleum-based products in cost performance, and can be widely applied to the fields of precision electronic devices, automobile mechanical parts, foods, medical products and the like.

The invention discloses novel high-strength foam concrete and a preparation method for the same. The novel high-strength foam concrete is characterized in that the novel high-strength foam concrete is prepared from the following raw materials in parts by weight: 300 to 800 parts of a gel material, 250 to 850 parts of a fine aggregate, 375 to 1,250 parts of a coarse aggregate, 4 to 8 parts of a water reducing agent, 250 to 850 parts of water, 20 to 40 parts of a foaming agent and 10 to 20 parts of a foam stabilizer, wherein the foaming agent is an isocyanate derivative. According to the novel high-strength foam concrete and the preparation method for the same, the following principle is utilized: isocyanate adopted as the foaming agent is reacted with the water to generate unstable carbamic acid at first, the unstable carbamic acid is rapidly decomposed into amine and carbon dioxide, and the discharged carbon dioxide acts for foaming to generate a foam body; a prepared foam concrete material is favorable for making a heat insulation, soundproof and high-strength foam concrete building block on one hand, and on the other hand, the construction engineering cost is reduced, and the high-strength foam concrete can be widely applied to construction engineering.

The invention provides a polyoxyethylene ether monomer which is methoxy polyethylene glycol vinyl ether formed by taking polyethylene glycol monomethyl ether as raw materials and carrying out dehydration reaction, and the structural formula is CH3O(CH2CH2O)nCH=CH2, wherein n is integer within the range of 10-44. The polyoxyethylene ether monomer reserves the advantages of the existing water reducing agent monomer compound and overcomes the defects thereof, and has better cost performance and competitive advantage. The invention also provides a preparation method of the polyoxyethylene ether monomer and the application thereof in the synthesis of the water reducing agent.

LED “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology operates in conjunction with high efficiency compact imaging and non-imaging optics to provide a compact emergency light offering high performance luminance levels (higher brightness) and enhanced life, at low cost. Thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a high thermal conductivity material substrate thereby increasing temperature dependant life and thermally dependant output power. Additionally, there is no encapsulant or domed optic over the LED thus making it possible to get a much more compact and efficient substantially Etendue preserving collection optic directly over the die.

The invention relates to an extraction method for yolk lecithin, and belongs to the technical field of lecithin. The invention discloses the extraction method for yolk lecithin. The extraction method comprises the specific steps: performing supercritical CO2 fluid extraction on yolk powder to remove yolk oil and obtain de-oiled yolk powder; performing ethanol extraction and filtering on the de-oiled yolk powder to obtain an ethanol extract liquid; determining the acid value of the ethanol extract liquid, adding alumina into the ethanol extract liquid according to the acid value result so as to perform adsorption processing; and filtering the ethanol adsorption liquid and drying to obtain the finished product yolk lecithin. The extraction method has the advantages of being simple in technology, convenient to operate, large in processing amount, high in yield, high in product purity, low in cost, good in controllability, strong in adaptability, relatively suitable for large-scale industrialized preparation and the like.

The invention provides a double synchronizing clutch and a planetary gear coupling double-motor power system. The double synchronizing clutch comprises an inner synchronizer and an outer synchronizer which are arranged inside and outside in the radial direction, a first spline hub of the outer synchronizer and a second spline hub of the inner synchronizer are mechanically connected into a spline hub of an integrated structure, a channel is formed in the spline hub, an axial protrusion is arranged on a combining sleeve of the inner synchronizer, penetrates through the channel in the spline hub and is connected with a shifting fork ring groove of the inner synchronizer, an operation mechanism of the inner synchronizer is movably connected with the shifting fork ring groove of the inner synchronizer, an operation mechanism of the outer synchronizer is movably connected with a combining sleeve of the outer synchronizer, a combination tooth ring of the inner synchronizer is connected with a first input / output end, a combination tooth ring of the outer synchronizer is connected with a second input / output end, and the spline hub is connected with a third output / input end. The double synchronizing clutch and the planetary gear coupling double-motor power system have the stepless speed change function and the like, and have the advantage of meeting all-region and multipurpose application requirements.

The invention discloses a polyether amine water reducing agent with a controllable and regular molecular structure. A preparation method of the polyether amine water reducing agent comprises the following steps: adopting an end-amino polyether and diepoxide to have amino-epoxy ring-opening polymerization reaction, obtaining a polymer with the end-amino polyether being grafted on a main chain into a side chain, and then enabling hydroxyl generated in the amino-epoxy ring-opening polymerization reaction to have esterification reaction with organic anhydride to obtain the polyether amine water reducing agent with the controllable and regular molecular structure. The water reducing agent prepared by the invention has the advantages of the existing water reducing agent, is also good in controllability of the production process, less in side reaction, high in applicability to different cement varieties, high in water reducing rate and high in cost performance and competitive advantage.

The invention relates to a primacord rolling method and primacord rolling machine, characterized in that passivation explosive material of 90-98% Hexogen(RDX) and 10-2% bonding agent are agglutinating and mixing evenly, and is cased into a one-end sealed soft blank pipe, to form granular structure with stacking density of 0.6-1.0 g / cm3. Then blank pipe opening is sealed, and the pipe is put into a cannelure matched with the desired pipe rolling diameter between a pair of roller flanges of the primacord rolling machine. The blank pipe is continuously passing multiple roller pairs of which the diameter is gradually decreased, and the decrease ratio of the diameter of blank pipe is less than 50%, until achieve the design requirement of the primacord product diameter. The length of primacord rolled by this method and equipment can be more than 200 metres. High safety can be assured during production process without any environmental pollution. Product quality is stable, and the wire loading density can be flexibly adjusted to meet the desire of different usages, good market competition advantage is provided.

The invention relates to the technical field of ceramic processing, in particular to a glaze spraying process of a robot glaze spraying circulation line and a ceramic closestool prepared by the glazespraying process. The robot glaze spraying circulation line comprises a robot glaze spraying line, the robot glaze spraying line is provided with a plurality of robots and further provided with a ballmill and a dispersion machine, the glaze spraying process of the robot glaze spraying circulation line comprises a glaze prefabricating step, a glaze blending step and a robot glaze spraying step, and the glaze prefabricating step comprises the following steps: S1) burdening according to set raw material components, S2) putting into the ball mill, adding a water reducing agent, and grinding to prepare glaze slurry, and S3) detecting that specific gravity, fluidity and fineness of glaze slip are all qualified, so as to obtain prefabricated glaze material. According to the glaze spraying process of the robot glaze spraying circulation line, the phenomenon that the glaze slip flows down from a green body is avoided after glaze spraying, the thickness of a glaze layer is uniform and consistent, the utilization rate of the glaze slip is high, and the prepared ceramic closestool is smooth in glaze surface, free of pores, low in defect rate and high in production efficiency.

The invention discloses an advanced exhaust recovery system of available energy of diesel waste gas, consisting of a plurality of exhaust pipe units and expansion joints. Each exhaust pipe unit comprises a pipe body (1) and an exhaust branch (3). The pipe diameter of the exhaust branch (3) is tapered. One end of the exhaust branch intersects with the pipe body (1) at a right angle and the other end of the exhaust branch is connected with the vent of an air cylinder. After a plurality of exhaust pipe units are connected, the pipe body (1) of the connected exhaust pipe units constitutes an exhaust collector. One end of the exhaust collector is sealed up and the other end of the exhaust collector is connected with a turbine inlet. The advanced exhaust recovery system has rational structure and simple structure. As the exhaust pipes are connected in series and the vent of each air cylinder is connected with the exhaust pipe unit, exhaust pulse energy can be effectively used. A pulse system can respond quickly, so the diesel has good acceleration performance. When the diesel runs at low speed, as the energy damper loss of waste gas is relatively less, pulse energy can be better used and the diesel ahs better low-speed torque performance.

The present invention relates to a composition for modulating tumor cell dissemination, in particular metastatic cancer cells. In particular, the invention relates to an agent for modulating metastatic tumor cell dissemination for use in the treatment and / or prevention of a metastatic cancer wherein the agent an extracellular matrix (ECM) protein carried on a polycarbonate polyurethane matrix. The invention also relates to a product, comprising an agent for modulating metastatic tumor cell dissemination, and to a method of treatment or prevention of cancer.

The invention discloses an overflowed sole glue automatically ultrasonic-cutting robot. The overflowed sole glue automatically ultrasonic-cutting robot comprises a robot frame, the robot frame is provided in a matched mode with a first conveying belt, a second conveying chain and a third conveying belt which are sequentially connected, wherein the first conveying belt and the third conveying belt are fixedly assembled and arranged on the left and the right of the second conveying chain respectively, the lower portion of the second conveying chain is matched with a lifting device which is used for vertically lifting up and down soles conveyed onto the second conveying chain, and the conveying tail end of the third conveying belt is provided with a collecting table. The invention also discloses an application method of the overflowed sole glue automatically ultrasonic-cutting robot. The overflowed sole glue automatically ultrasonic-cutting robot achieves intelligent identification, judgment and screening as well as sole glue spraying and polishing, and safely, environmentally and intelligently polishes the soles and cuts glue, thereby being of innovative significance to the field of shoe manufacturing and bringing competitive technical advantages to enterprises.

The invention discloses a method for producing aluminum oxide using industrial solid waste rich in aluminum oxide, and belongs to the field of comprehensive utilization of mineral resources and metallurgy technology. The method comprises the steps of adding sulfuric acid to the industrial solid waste rich in aluminum oxide, and then performing acid dissolution, neutralization, filtration, drying,reduction, alkali dissolution, seed precipitation and calcination to produce aluminum oxide. By using the method, the comprehensive yield of aluminum oxide in the solid waste is high, the quality of the aluminum oxide product meets the requirements of lambda O-3 and above in metallurgical grade aluminum oxide standards, and the conversion rate of aluminum oxide is high; and the method can expand raw material sources and provide new ideas and technical support for aluminum oxide production.

The invention relates to a folding type chip removal machine and a control method thereof, and belongs to the technical field of chip removal equipment. The folding type chip removal machine comprisesa feeding and chip removal rack, one end of the feeding and chip removal rack is provided with an adding and chip removal rack, the other end of the feeding and chip removal rack is provided with a discharge bin, the two sides of the discharge bin and the feeding and chip removal rack are provided with discharge angle adjusting seats which are movably connected with the feeding and chip removal rack, a folding rotating frame rotationally connected with the feeding and chip removal rack through a pin shaft is arranged between the adding and chip removal rack and the feeding and chip removal rack, and the two sides of the folding rotating frame are provided with folding adjusting assemblies connected with the feeding and chip removal rack through lug plate rotary shaft type pin shafts. Thefolding type chip removal machine has the advantages of being simple in structure, convenient to operate, small in occupied space, good in working stability, high in conveying efficiency and high in separation speed. The discharge capacity and conveying efficiency of the chip removal machine are fully improved. The control method of the folding type chip removal machine realizes that the transportlength and height can be greatly reduced, and the transportation cost and equipment damage are greatly reduced.

A plasma processing apparatus is disclosed, which includes: a cathode module comprising a plurality of first channels which generate plasma; an anode having a chamber which contains the cathode and having at least one plasma outlet corresponding to the first channels; an electrode connected to a high-frequency electrical power and the cathode; and a plurality of second channels penetrating through the anode; wherein each first channel and each second channel are disposed alternately. A first gas is introduced into the first channels ionized under high frequency electrical power. In the first channels, the free electrons collided brings high density of plasma. The generated plasma is expelled through the plasma outlet to form a plasma diffusion region. A second gas is introduced into the plasma diffusion region through the second channels to take part in the reaction of plasma.

The invention discloses a super-strong-adsorptivity concrete rheological agent and a preparation method thereof. The weight-average molecular weight of the rheological agent is 20000-80000. The rheological agent is prepared by the following steps: carrying out amino-epoxide ring-opening polymerization reaction by virtue of amino-terminal polyether and diepoxy oxide so as to obtain amino-terminal polyether grafted side chain polymer, carrying out esterification reaction modification on hydroxy generated through the amino-epoxide ring-opening polymerization reaction by virtue of halogenated alkyl acyl halide so as to obtain halogen-terminal polyether, and finally, carrying out atom transfer free radical polymerization reaction (ATRP), so as to obtain the super-strong-adsorptivity concrete rheological agent. By virtue of a large number of adsorption groups in the super-strong-adsorptivity concrete rheological agent, the electrostatic repulsion I enhanced, and the dispersing performance ofthe concrete rheological agent is improved; the dispersion holding capacity of the concrete rheological agent is improved by virtue of the strong steric hindrance; and the concrete rheological agenthas the advantages that the production process is good in controllability, the side effects are few, and the concrete rheological agent is strong in adaptability to different types of cement, high inwater-reducing rate and cost performance and obvious in competitive advantage.

The invention relates to a PTFE multilayer extrusion pipe and a preparation method thereof. The preparation method comprises the following steps: respectively preforming an inner-layer green body andan outer-layer green body of the PTFE multi-layer extrusion pipe, then putting the inner-layer green body into the central part of the outer-layer green body, applying certain pressure to form a preformed green body of the PTFE multi-layer extrusion pipe, and extruding, drying and sintering to obtain the PTFE multi-layer extrusion pipe with good wear resistance. The PTFE multi-layer extrusion pipeadopts a two-layer structure, the inner layer is a modified PTFE wear-resistant layer with one or a mixture of two of thermoplastic resin PPS, PES, PAI, PI and PEEK with good wear resistance, and theouter layer is a pure PTFE layer so that the performance of the PTFE of the outer layer is not influenced, the wear resistance of the inner layer is improved and the manufacturing cost is reduced. The manufacturing process is simple, repeatability is good, performance is stable, and the problem that a pure PTFE extrusion pipe is poor in wear resistance is solved.

The invention discloses a foamed lithium-enriched manganese-based layered oxide and a low-temperature fused salt preparation method and belongs to the technical field of lithium battery material preparation. The foamed lithium-enriched manganese-based layered oxide has a foamed structure and has structural features of 'twin domain' and one of the structural features of the 'twin domain' is a monoclinal Li2MnO3-like layered structure domain, the rest is diamond LiTMO2, TM is transition metal, at least three transition metals are included, and one of the transition metals is Mn. The foamed- lithium-enriched manganese-based layered oxide is prepared by sintering mixed lithium salt and a lithium-enriched material precursor. Capacity of a lithium ion battery assembled by an electrode material prepared from active substance obtained by the method can reach 300mAh / g, and the lithium ion battery has high coulombic efficiency and circulating stability, has high first-circle coulombic efficiency at 55 DEG C and is higher than lithium ion batteries assembled by a lithium-enriched material obtained by sintering lithium salt in capacity and circulating stability.

The present invention discloses a preparation method of a polycarboxylate superplasticizer with carbon dioxide, comprising the following steps: (1) preparing a polycarboxylate superplasticizer prepolymer: performing an oxidation-reduction radical polymerization of an unsaturated macromonomer, an unsaturated phenol derivative, a reducing agent, an initiator and a chain transfer agent with different proportions under a nitrogen atmosphere to obtain a novel polycarboxylate superplasticizer prepolymer with different molecular weight; adjusting the pH by adding an alkali; (2) preparing a polycarboxylate superplasticizer: performing a Koble-Schmitt reaction between the polycarboxylate superplasticizer prepolymer and a carbon dioxide for a certain time to obtain the polycarboxylate superplasticizer. The polycarboxylate superplasticizer prepared by the method of the present invention retains the advantages of the existing water-reducing admixture of the polyether monomer compounds, and the production process is simple, safe, controllable, less side effect and has a better cost effective and competitive advantage.

The invention discloses a cement grinding aid and a preparation method thereof. The cement grinding aid comprises, by weight, 20-40 parts of modified alkylol amine, 40-80 parts of a water reducing agent, 0.1-1 part of sodium molybdate, 1-4 parts of a mineral fiber, 0.02-0.08 part of methyl tert-butyl ether, 1-5 parts of polycarbonate, 0.01-0.05 part of a water retaining agent, 0.02-0.04 part of adefoaming agent, and 20-50 parts of water. The grinding aid prepared by the method disclosed by the invention is simple in production process, safe and good in controllability, and has relatively goodcost performance and competitive advantages.

The invention belongs to the field of organic synthesis and particularly relates to a preparation method of SYP-14288. The method includes the steps of: adding a reaction solvent A to 2,6-dichloro-3,5-dinitrotoluene, adding dropwisely ammonia water or feeding ammonia gas to the solution at from 0 DEG C to reflux temperature of the solvent A, continuously performing the reaction for 1-10 h, and removing the solvent after the reaction is finished to obtain an intermediate substituted ammoniated substance; performing a reaction to the substituted ammoniated substance, 3,5-dichloro-4-fluoronitrobenzene, an alkali and a reaction solvent B for 1-20 h at from room temperature to reflux condition of the solvent B; and removing the solvent after the reaction is finished, performing post-treatment to obtain a crude product, and re-crystallizing the crude product to obtain the product, SYP-14288. The product SYP-14288 is high in purity and yield. The method employs easy-to-obtained raw materials, has simple operations and mild reaction conditions, and is suitable for industrial production.

The invention discloses a fatigue driving monitoring method based on an acceleration sensor. The fatigue driving monitoring method comprises the following steps: S1, obtaining acceleration informationof an automobile through the acceleration sensor; S2, generating driving state information of the automobile according to the acceleration information; S3, controlling the working mode of a monitoring module according to the driving state information of the automobile; and S4, judging whether the driver is in a fatigue state or not according to the monitored information. According to the invention, specific requirements of a CAN bus on a communication protocol are overcome; and the defects that the GPS is weak in signal in a specific area (such as a tunnel) and cannot continuously and stablywork are overcome. Meanwhile, the cost of the scheme is not high; the product manufactured by using the scheme has better competitive advantages.