72results about How to "Break the monopoly" patented technology

The invention discloses an endoscope-based multispectral video navigation system and method. The system comprises an endoscope head module used for internal inspection, a light source module used for providing near infrared and visible light sources, an optical signal acquisition module used for acquiring near infrared and visible light images, a multispectral conversion module used for imaging different spectrum segments, and a controlling and processing module used for controlling a camera and processing the acquired images to achieve video navigation. The invention also discloses a method utilizing the system to achieve multispectral video navigation. By adopting the system and the method, the problem that at present, most endoscope fluorescent products can only see fluorescent images or visible light images but not multispectral images is solved, technical monopoly of foreign companies in China is broken through, the imaging research threshold of the multispectral endoscope is lowered, the selection space of optical molecular imaging probes is expanded, and the optical molecular imaging research and application ranges are extended.

The invention relates to a high-performance alloyed spherical powder preparation device and method for laser 3D (three-dimensional) printing. The device comprises a vacuum acquirement and inflation system, an induction smelting system, an atomization powder preparation system, a power collection system and a power system. The preparation method includes that: (1) the induction smelting system selects a non-crucible induction system or a crucible induction system; (2) alloy bars are fixed on a continuous feeder, or nickel-based/cobalt-based alloy bars are put in a smelting chamber; (3) the smelting chamber, an atomizing chamber and a power collection device are vacuumized prior to be fed with inert gas; (4) induction smelting is started, when alloy reaches preset temperature, alloy droplets are enabled to enter the atomization powder preparation system, and nozzles are started to perform atomization powder preparation; alloyed power prepared in the atomization chamber is collected through the powder collection device. The device can realize mechanical control, automatic control and real-time monitoring; the prepared alloy powder is high in yield, uniform in particle size distribution, good in degree of sphericity, uniform in chemical component, good in mobility, low in oxygen content and low in hollow sphere rate.

The invention discloses a broadband ocean bottom seismograph comprising two protecting shells and a connecting plate, wherein the two protecting shells are respectively fixed on both ends of the connecting plate; a sealed instrument storehouse ball and a sealed battery storehouse ball are respectively installed in the two protecting shells; a battery and an acoustic communication circuit are installed in the battery storehouse ball; two sealed storehouse balls are electrically connected by a cable; a gimbal for keeping the seismograph in a level state is arranged in the instrument storehouse ball and provided with a data collector and a seismograph; an electro erosion releasing mechanism for releasing a coupling frame is fixed on the connecting plate; the coupling frame for supplying downforces for the seismograph is positioned below the connecting plate and connected with the electro erosion releasing mechanism by wire ropes; and a weighting frame is connected below the coupling frame by an iron chain. The broadband ocean bottom seismograph can be used in deep ocean, and the observed broadband range is 40 s to 40 Hz; and the broadband ocean bottom seismograph is suitable not onlyfor viewing the ocean bottom natural earthquake, but also for viewing ocean bottom manmade earthquake source.

The invention relates to a dismounting-free cap assembling and disassembling needle type blood sampling pen, which comprises a shooting rod, an disassembling needle rod and a shell, and is characterized in that the shooting rod is formed by connecting a front shooting rod, a connecting spring and a rear shooting rod to form a variable-length shooting rod; a needle outlet hole at the front end of the blood sampling pen is designed into a assembling and disassembling hole through which a blood sampling needle can pass; the rear shooting rod is provided with a rear rod front limiting structure, so that the rear shooting rod has a limiting distance in forward movement; the front shooting rod is provided with a front rod front limiting structure, so that the front shooting rod has the limitingdistance in the forward movement; and in a needle disassembling state, the limiting distance of the front shooting rod is designed to be larger than the limiting distance of the rear shooting rod. Thedismounting-free cap assembling and disassembling needle type blood sampling pen is characterized in that the blood sampling needle is assembled and disassembled without disassembling a pen cap; andcompared with an original blood sampling pen, a needle assembling process is reduced to one step from original four steps, and a needle disassembling process is reduced to one step from original threesteps. By the adoption of the dismounting-free cap assembling and disassembling needle type blood sampling pen, the problem that the pen cap needs to be repeatedly disassembled and assembled during use of the original blood sampling pen is thoroughly solved, operation steps are greatly simplified, and great convenience is brought to the use.

The invention provides an inorganic polymer rubber-plastic toughener using attapulgite clay as a main raw material, which is evenly dispersed in a high polymer matrix, and has good compatibility with high polymer. The method for preparing the inorganic high polymer rubber-plastic toughener comprises the following steps: (1) purifying the attapulgite clay at a high temperature; (2) grinding and sorting; (3) acidizing; (4) thermal activating; (5) oil charging; and (6) surface treating. The toughener uses the property of fibrous microcellular structure of the attapulgite clay, modifies fibrous pore canals of inner layers of particles, improves the compatibility of the toughener with the high polymer on the premise that the fibrous structure of the attapulgite clay is maintained, has unique modification function, not only replaces toughener resin, but also proves that compared with the prior combination of padding/toughener resin, a plastic product blended by the inorganic high polymer rubber-plastic toughener and a plurality of synthetic resins has preferable aging resistance and physical property through a plurality of applied tests.

The invention relates to a heat-resistant steel sheet for a power station boiler and a manufacturing method thereof. The steel sheet comprises the following components in percentage by mass: 0.08-0.12% of C, 0.15-0.45% of Si, 0.35-0.55% of Mn, less than or equal to 0.013% of P, less than or equal to 0.005% of S, 8.60-8.90% of Cr, 0.31-0.50% of Mo, 0.16-0.22% of V, 1.55-1.85% of W, 0.045-0.085% of Nb, 0.045-0.065% of N, 0.002-0.004% of B, 0.20-0.35% of Ni, greater than 0 and less than or equal to 0.01% of Al and greater than 0 and less than or equal to 20ppm of O. The performance of the steel sheet reaches the application requirements and the width of the steel sheet reaches 2000-3000 mm. The manufacturing method sequentially comprises the following steps: preparing billet materials, casting a continuous casting billet; annealing at an annealing temperature of 740 +/-10 DEG C; carrying out hot grinding; heating the steel billet at a heating temperature of 1230 +/-10 DEG C; (V) rolling at a rough-rolling starting temperature of 1160-1200 DEG C and the finish rolling temperature of 860-900 DEG C; (VI) carrying out heat straightening; (VII) normalizing at a normalizing temperature of 1050 +/-10 DEG C; and (VIII) tempering at a tempering temperature of 780 +/-10 DEG C, carrying out heat preservation, discharging the steel sheet out of a furnace and carrying out air cooling. The manufacturing method is high in finished product rate and low in cost.

The invention discloses a method and device for achieving PLC controlling in an FPGA platform. The method is converted into Verilog HDL programs through an ST2FP resolver, not only can input and output logic of a PLC be correctly achieved, but also the programs can run in the FPGA platform in parallel, therefore, the mode that a traditional PLC only can sequentially scan executive programs is fundamentally changed, the PLC program execution time is not related to the size of the programs but only related to the depending level of the programs, and the program execution efficiency of an FPGA-PLC is incomparable for the traditional PLC. According to the device, an IEC-61131-3 standard is applied to the FPGA-PLC, the defects that the traditional PLC is poor in closing property and compatibility are overcome, breaking of the monopoly situation of high-end PLC manufacturers is facilitated, the characteristic that the FPGA executes the programs in parallel is also facilitated, therefore, the FPGA-PLC can execute the PLC programs in parallel, and the real-time performance of the PLC is significantly improved; processing of the FPGA is the implementation process of pure hardware, and therefore the FPGA-PLC system has the very high stability.

The invention discloses ferritic stainless steel and a manufacturing process thereof. The ferritic stainless steel comprises Fe and modified chemical elements. The modified chemical elements comprise, by weight percentage, 0-0.02% of C, 0-0.55% of Si, 0-0.25% of P, 0-0.006% of S, 0-0.40% of Ni, 0-0.06% of Cu, 0-0.04% of Al and 0-0.02% of N and further comprise Cr, MN, Mo and Ti, wherein the mass percentage of Mo is not smaller than 0 and not larger than 0.05. The weight percentages of Cr, Mn and Mo have the following relations: Mo=1.063-1, 0<=Mo<=0.05%, another equation here as shown in the specification, and 0.20%+4(C+N)%<=Ti<=0.50%. The ferritic stainless steel is resistant to corrosion and erosion. According to the manufacturing process, the hardness of the ferritic stainless steel can be adjusted, so that the ferritic stainless steel can be applied to a heat exchanger of a nuclear power station, the situation that the material is monopolized by foreign countries is broken, and the cost is reduced.

The invention relates to a settlement system and method for an electricity purchase subject in a regional electricity market, and belongs to the technical field of electric power systems. The system comprises a data collection module, a metering module, a deviation setting module, a day-ahead electricity settlement module, a monthly bilateral settlement module, a monthly centralized trading settlement module and a summarization settlement module. The system is novel in structure; the settlement process is reasonable and efficient; and through electricity price competition permission and electricity distribution and selling subject permission, effective technical support is provided for gradually nurturing multiple marketized competition patterns, breaking the monopolistic situation of a power grid company and forming an advanced electricity utilization transaction settlement mechanism.

The invention discloses a gas-assisted urea injection system with a mixing tube heating method adopted, and belongs to the technical field of design of an automobile urea injection system. The gas-assisted urea injection system comprises a urea box (1), a urea box temperature and liquid level sensor (2), a heating control valve (6) and a heating water pipe (10), wherein the heating control valve (6) and the heating water pipe (10) are used for exchanging heat of the urea box (1). The gas-assisted urea injection system is characterized in that a urea metering valve (5) which is separated from a nozzle (4) is installed at the bottom of the urea box, a mixing cavity (3) is connected with the lower end of the urea metering valve (5), one end of the mixing cavity (3) is in pipeline connection with an air pipe (8) through a gas control valve (7), and the other end of the mixing cavity (3) is in pipeline connection with the nozzle (4) through a heating mixing tube (9). The gas-assisted urea injection system removes rigorous requirements for an air exhaust pipeline in the hydrolytic process of a urea solution, is simple in structure, facilitates overall arrangement, reduces crystallization risks of the urea solution, improves system reliability, breaks the situation that international suppliers monopolize, and fully plays technology and market competitiveness of independent products.

The invention discloses a polypropylene material for a stretched film. The polypropylene material for the stretched film comprises the following components: 99.3-99.86 parts of polypropylene resin powder, 0.05-0.2 part of an antioxidant 1010, 0.03-0.1 part of an auxiliary antioxidant U626, 0.01-0.1 part of a halogen absorbent and 0.05-0.3 part of an alpha nucleating agent. The polypropylene material for the stretched film has higher stiffness and transparence than those of the conventional material and is applicable to production of a high-end stretched film.

The invention discloses a transaction method of a P2P energy transaction platform based on a block chain. The transaction method comprises the following steps: collecting user energy information; generating an energy purchase or sale label; sending the label to an energy transaction platform; selecting the label by a user; confirming the label and a protocol by the user; generating a ledger and a block, after the buyer and the seller confirm the transaction protocol, allocating the label and the protocol to one block, and generating the ledger of the direct energy transaction between the two participated users of the current transaction while the block is generated; and sending the valid ledger to the platform, and adding transaction information stored in the block to the chain. The transaction method can solve the problems that P2P energy transaction safety and efficiency are poor in the prior art, energy cannot be fully utilized due to excessive energy supply of users, so that power generation companies have to take more transformer substations as a means for solving the problem of user growth, and the technical problems of cost and resource waste and the like are caused.

The invention relates to a full-automatic intelligent packaging system for a chemical fiber DTY spindle. A spindle logistics system comprises a spindle storage track and serpentine tracks; an intelligent detection classification system is mounted between the spindle storage track and the serpentine tracks; an intelligent temporary storage system is arranged next to the serpentine tracks; an automatic stacking system is arranged at the tail sections of the serpentine tracks; an automatic unpacking system is arranged in the position, between the intelligent temporary storage system and the automatic stacking system, on the serpentine tracks; and an automatic bagging packing system is arranged at the tail end of the automatic stacking system. According to the full-automatic intelligent packaging system, the bottleneck problems, restraining the sustainable development of Chinese chemical fiber enterprises, that enterprise labor is intensive, the production efficiency is low, the stability of the product quality is poor, and the production management level of workshops is low are effectively solved, the monopoly position of foreign manufacturers in the field of chemical fiber advanced manufacturing equipment in China is broken, and positive demonstration and leading functions are achieved on equipment innovation and transformation upgrading of the chemical fiber industry in China.

The embodiment of the invention discloses a cloud game method. The method includes the steps of generating a configuration request file corresponding to game requirement information according to the game requirement information input by a player, determining a response host capable of providing computing power higher than the required computing power in a block chain network according to the required computing power corresponding to the configuration request file, calculating the computing power provided by the response host in the game process in real time, determining the total contributioncomputing power provided by the response hose after a game ends, determining the expense corresponding to the contribution computing power according to a block chain exciting mechanism, and closing anaccount according to the expense. By means of the cloud game method and device, and the technical problems that existing cloud game service is monopolized by a small number of enterprises, cloud gameexpense is too high and the cloud game service is difficult to popularize are solved.

The invention aims to provide a friction material for a drum brake of a nine-seat passenger vehicle and a preparation method of a drum brake block, wherein the friction material is simple in materials and convenient to prepare. The friction material is prepared from the following components in percentage by weight: 15-19% of an organic compound, 26% of fibers and 55-59% of a filler. The method for preparing the friction block through the material comprises the following steps of (1) mixing materials, wherein all the raw materials are weighted in the percentage by weight of the formula, and all the materials are put into a high-speed material mixer and are stirred for 2 minutes, so as to form the mixed and stirred material of the friction material; (2) performing hot pressing; (3) performing heat treatment; and (4) finally, performing splicing so as to obtain the drum brake block, wherein the splicing wind pressure is 0.4MPa, the first section of splicing temperature is 175-185 DEG C, the second section of the splicing temperature is 200-210 DEG C, the third section of the splicing temperature is 200- 210 DEG C, and the splicing time is 40-50 minutes. The friction material and the preparation method of the drum brake block disclosed by the invention are applied to the field of friction materials.

The invention provides a preparation method of plant-derived 7-ketolithocholic acid, which comprises the following steps: by taking 3,7-diketone-5beta-cholestane-24-acid shown in a formula I as a raw material, reacting in 3 alpha reductase and a system containing alkaline water to generate the 7-ketolithocholic acid shown in a formula II. According to the invention, 3,7-diketone-5beta-cholestane-24-acid prepared from a plant source fermentation product BA through a series of synthesis is taken as a starting material, so that a plant source total synthesis route is opened, and monopoly of animal sources is broken. The starting raw materials are wide in source, and the possibility of carrying animal source genetic viruses is avoided. According to the method, the 3alpha reductase is used, the characteristic of high specificity of the enzyme is utilized, the selective reduction effect is good, and no 3beta hydroxyl isomer exists; meanwhile, the process is safe and environmentally friendly through reaction of alkaline water and the glycerin/2-methyltetrahydrofuran system, and the compound II is high in yield and good in purity.