47results about How to "Controllable scale" patented technology

The invention provides a kind of hot-rolled double-sided enamel-used nickelclad, the chemical components of which is: C 0.02%-0.06%, Si <=0.50%, Mn 0.15%-0.40, P <=0.15%, S <=0.006%, N<=0.003%, Ti 0.08%-0.20%, Als 0.005%-0.055%, Ti/C 2.2-5,unavoidable impurities and Fe as balance. The architecture of the nickelclad is ferrite with grain diameter = 2 mum-20 mum under hot rolling conditions, and TiC particles (diameter < 20nm is uniformly distinguished in the architecture. V 0.015%-0.060% and/or Cr 0.05%-0.20% can also be added. The production method of the clad is: producing unburnt earthenware with continuous cast method, heating to 1180-1260DEG C, descaling with high-handed water, rough rolling, finish rolling for 5-7 passes at 1100-960 DEG C and finally at 920DEG C-840DEG C, continuously cooling to 450- 630DEG C at a speed of >=30DEG C/S in 0-7S, and coiling. The nickelclad has the advantages of good performance and high strength, and can meet the requirement of large scaled engineering fembers.

The invention relates to a fireman individual-soldier system on the basis of a wireless Mesh network framework. The system consists of a wireless monitoring mainframe, a plurality of wireless individual-soldier sub-machines and a plurality of wireless repeaters, wherein the wireless monitoring mainframe consists of a monitoring module and a wireless center node module; and each wireless individual-soldier sub-machine consists of a central processing unit module, a positioning module, a vital sign detection module, a distress call module, an environment condition detection module, a carried equipment detection module and a wireless terminal node module. When the fireman individual-soldier system is applied particularly, firemen wear the wireless individual-soldier sub-machines to enter a fire site or other accident sites and a chief officer monitors information such as postures, motion tracks, vital signs, environment conditions, carried equipment conditions and the like through the wireless monitoring mainframe, so that the intelligence support of a command decision is provided for the chief officer in time and a scientific basis can also be provided for daily tactical training. By the fireman individual-soldier system, the modernization, automation and intellectualization levels of a fire command are improved and the battle damage rate of the firemen can also be effectively reduced.

The invention discloses a continuous biomass pyrolytic carbon gas-oil poly-generation system. The continuous biomass pyrolytic carbon gas-oil poly-generation system comprises a pyrolysis unit, a condensation unit, a purifying unit, a gas storage unit and a heating unit, wherein the pyrolysis unit is connected with the condensation unit and the heating unit; the gas storage unit is connected with the purifying unit and the heating unit respectively; the condensation unit is connected with a gas storage unit pipeline by the purifying unit; high-temperature smoke gas is generated by the heating unit; the pyrolysis unit performs thermal conversion from biomass into a carbon gas oil product by heat energy generated by high-speed scouring of high-temperature smoke gas and coke is separately stored; bio-oil and gas are separated from carbon gas oil by the condensation unit; impurities in the fuel gas are removed by the purifying unit; and the gas subjected to the impurity removal is stored by the gas storage unit. With the adoption of the continuous biomass pyrolytic carbon gas-oil poly-generation system, targets of continuously producing biogas, a biological coke and bio-oil are realized, so that the product quality is stable, and the application prospect is wide.

The invention discloses a method for preparing a metal-oxide compound nano catalyst by molecular layer deposition. The method comprises the following steps: placing a sample loaded with a metal A precursor into a reaction cavity of molecular layer deposition equipment; feeding a precursor of B, multivariate isocyanate and polyamine into the cavity in sequence to generate layer-by-layer monomolecular layer reaction, and covering a compound of the precursor of A by a B-containing organic-inorganic compound membrane; growing layer by layer, changing the cycle number to adjust the thickness of a B-polyurea hybrid membrane; and removing an organic part of the compound by thermal treatment, reducing to realize high-dispersion mixing of the metal A and nano particles of an oxide B, and forming an interface with a large number of metals A and oxides B. The obtained metal-oxide interface controllable material is higher in performance in catalytic hydrogenation, catalytic oxidation and the like. The method is easy to operate, and the interface site can be adjusted according to the deposition cycle number.

The invention relates to a submarine landslide evolution process simulating system and experimental method based on transparent soil and a rotating water tank, and belongs to the technical fields of marine geological disasters and geotechnical engineering experiments. The simulating system comprises a rotating water tank system, a transparent soil simulating system and a control and data collection system. The rotating water tank system sets different speeds for a sample by means of a control motor, and a closed circular ring structure of a U-shaped section rotary drum groove satisfies that the sliding distance is not limited; the transparent soil simulating system prepares a transparent sample, with a tracer coloring agent, and fluid environment whose physical mechanical property is the same with that of a real submarine soil layer, so that the internal, external and water-soil interface is visualized in a 3D way in the whole sample evolution process; and the control and data collection system realizes quantitative monitoring and data extraction of the evolution process by means of 3D laser slicing and digital image collection. The provided system is controllable in the scale, visualized in the evolution process, capable of measuring image data, and can solve the problems that a long-distance evolution experiment is hard to carry out, data acquisition is difficult, and a monitoring picture is not clear.

The present invention discloses a wireless humiture intelligent sensor which forms a sensing system together with an upper machine. The invention is characterized in that the sensor comprises a sensor module, a micro-processor module, a wireless receiving and transmitting module, a serial port communication module and a power module. The core part is the wireless receiving and transmitting module which comprises the following elements: a ZigBee wireless module main chip MC13192, a 16.000MHz crystal oscillator, a radio frequency unit RF transmitting and receiving circuit and a 2.4G PCB double pole antenna. The invention has the following advantages: 1) wireless property; 2) flexibility; 3) low power consumption; and 4) usability.

The invention provides a preparation method of bamboo joint structure Mn2O3. According to the method, at first, rod-metal organic framework material Mn-MOF precursors are prepared by a guide agent assisting solvent volatilization method; then, in the air environment, the Mn-MOF precursors are calcined; the calcining temperature is controlled to be 400 to 650 DEG C; the time is 2 to 4h; finally, the materials are cooled to the room temperature along with the furnace temperature; the bamboo joint structure Mn2O3 nanometer structure materials can be obtained. The method provided by the invention has the advantages that the operation is simple; the process cost is low; the appearance is regular; the product stability is high, and the like. The industrial production is facilitated. The bamboo joint structure Mn2O3 nanometer structure material obtained by the method has the advantages of good conductivity and great specific surface area; the electrode resistance can be favorably reduced; the materials can be used for supercapacitor electrode materials.

The invention relates to the technical field of metallurgy and in particular relates to a device for preparing metal powder by inert gas shielded plasmas. The technical scheme is as follows: a plasma generator is connected with a reaction control chamber, wherein a charging ejector is communicated above the reaction control chamber; a cooling collecting chamber is communicated below the reaction control chamber; the charging ejector, the reaction control chamber and the cooling collecting chamber are connected with an inert gas storage bottle, respectively; and a gas escape tube is further arranged on the cooling collecting chamber. The device for preparing metal powder by inert gas shielded plasmas can be used for preparing various metallic simple substances with a melting point of 300 DEG C to 15000 DEG C, alloy crystals, amorphous particles and powder, so that the preparation is free of purity and oxidative deterioration influences needed by the smelting points and the activities of the target metals, controllable in a large-scale manner and capable of realizing the laboratory production and large-scale industrial production. Moreover, the device is low in energy consumption, simple in process, and capable of repeatedly utilizing the inert gases and centrifugal axle cooling liquids in the gas chamber without pollution.

The invention relates to the technical field of preparation of transition metal carbide powder materials, in particular to a method for in-situ preparation of ZrC, HfC or VC powder in situ through molten salt disproportionation reaction. The method comprises directly forming a raw material mixture according to the stoichiometric ratio, with the structural formula of transition metal carbide beingMC, M being a transition metal element zirconium or hafnium or vanadium, and C being a carbon element; reacting the raw material mixture in molten salt in an inert atmosphere, and cooling after the reaction is finished to obtain a product mixture; and removing the molten salt in the product mixture to obtain ZrC, HfC or VC powder. The method can solve one or more of the problems of high ZrC, HfC or VC powder synthesis temperatures, complex preparation processes and equipment, high costs, uncontrollable morphology and sizes and the like in the prior art, and has the advantages of rapidness, high efficiency, energy saving, environmental protection, a low cost, easy realization of large-scale production and the like.

The invention belongs to the field of biocoke activating devices and in particular to a physical and chemical combined activating device for biocoke. The physical and chemical combined activating device for biocoke comprises an activating chamber and an activator premixing chamber. The activating chamber is of a hollow structure, a feeder is arranged on the top of the activating chamber, and a heat supply flue and an activator channel are arranged in the bottom; the activator premixing chamber is arranged in the hollow structure, the outer wall of the activator premixing chamber is in a cylindrical shape provided with a plurality of pores, and a spiral fin is also arranged on the cylindrical outer wall, so that biocoke supplied to the hollow structure under self gravity and rotary driving of the activator premixing chamber moves from top to bottom so as to be in full contact with high temperature flue gas containing a physical activator and a chemical activator, so that a whole activating process is finished. The device provided by the invention can further realize physical and chemical activation of the biocoke and has the advantages of being stable to operate, wide in adaptability of raw materials and easy to control scale.

The invention provides a method for producing hybrid seeds by use of pepper genic male sterile line and restorer line. The method comprises the following steps: 1, planting a pepper genic male sterile AB line and a restorer line in an area or a greenhouse where pepper plants are capable of overwintering cultivation respectively, taking sterile plants of the genic male AB line as female parent and taking the restorer line as male parent to perform hybridization so as to produce hybrid seeds; 2, pruning aerial parts of the sterile plants and the restorer line plants after the harvest of hybrid seeds in winter and then performing overwintering cultivation; 3, pruning and tidying dormant buds of the overwintering plants after the dormant buds sprout next year, taking the sterile plants as the female parent and taking the restorer line as the male parent to perform hybridization during florescence so as to produce hybrid seeds; and 4, repeating a step 2 and a step 3 three to four times. The method can continually harvest pepper hybrid seeds in a plurality of years after seeding once in a year, saves labor and time for hybrid seed production, is low in cost and long in heterosis-holding time, capable of guaranteeing the yield and quality of hybrid peppers and convenient for commercial application, and has important significance for popularizing the technology of utilizing pepper heterosis.

The invention discloses a self-adaptive flow control system and application thereof to a high-temperature and high-salinity oil reservoir. The self-adaptive flow control system is composed of, by weight percentage, 0.1-0.4% of alkylolamides, 0.05-0.3% of glucoside surfactant, 0.01-0.1% of polyols and water as balance. According to application of the self-adaptive flow control system to the high-temperature and high-salinity oil reservoir, the properties of the high-temperature and high-salinity oil reservoir comprise that the temperature is 90-140 DEG C, the degree of mineralization of water is 3.0-22*10<4> mg/L, and the content of divalent ions is higher than 500 mg/L. With the content of water higher than 90% and an oil-water ratio of 1:1-1:9, the self-adaptive flow control system can for water-in-oil (W/O) emulsion or oil-in-water (O/W) emulsion of W/O and O/W mixed emulsion under shear induction, and the viscosity of the emulsion is 10 or more times as much as that of water in oilreservoir conditions to achieve automatic control of flow of displacement medium. The self-adaptive flow control system can significantly improve the recovery efficiency of the high-temperature and high-salinity oil reservoir, and is reliable in principle, outstanding in economic benefits and broad in application prospect.