319results about How to "Flexible regulation" patented technology

In a method of regulating the flow rate of additional oxygen taken from a pressurized inlet for oxygen from a source and admitted into a breathing mask provided with an inlet for dilution ambient air, the ambient pressure and the instantaneous inhaled breathe-in flow rate in terms of volume reduced to ambient conditions are measured in real time. The minimum oxygen content in the complete inhalation phase in order to comply with respiratory standards is computed from the ambient pressure and the instantaneous flow rate of additional oxygen is controlled in such a manner as to satisfy the requirements of the applicable standards with a safety margin that is generally a few percent. There is also described a regulator implementing the above method.

The present invention discloses a catalytic cracking process of petroleum hydrocarbons and a tube-in-tube riser reactor used therein. In the present invention, a catalyst is fed via an inlet conduit to an inner tube and an annular space between the inner and outer tubes of the tube-in-tube riser reactor to contact a hydrocarbon feedstock, and the hydrocarbon feedstock is cracked under FCC conditions, then a reaction stream thus produced flows into a separation apparatus via a confluence tube to separate a hydrocarbon product stream from a spent catalyst, the spent catalyst is stripped and regenerated, then a regenerated catalyst is recycled for reuse. The process of the present invention can improve both product distribution and product properties.

The invention relates to a function regulation and control structure production method based on continuous fiber composite material 3D printing, computer aided design software is used, according to the profile characteristic of a function regulation and control structure material product, a product three-dimensional model is established, then a corresponding performance analysis is carried out on the product by the computer aided design software, the function regulation and control design is carried out on the key characteristic areas, a fiber track curve is drafted, then the fiber track is subjected to algorithm optimization, the technical means during 3D printing is considered, the fiber track is adjusted to obtain the final fiber track curve, according to the track curve, a 3D printing path instruction file of the product is generated, and the instruction file is introduced into a continuous fiber reinforced composite material 3D printer, and the preparation of the function regulation and control structural material is completed. The method can realize dynamic control of fiber path and content in the composite material, and designability manufacture of the function regulation and control materials such as a variable stiffness fiber composite material, a thermal-conduction controllable material and a electromagnetic controllable material can be completed.

The invention relates to a lightweight wear-resistant density-gradient foamed sole material and a preparation method thereof. The lightweight wear-resistant density-gradient foamed sole material is mainly composed of EPDM, ethylene-octene copolymer, low density polyethylene, a cross-linking agent, a filling material, a foaming agent and a foaming promoter. On the basis of foaming of EPDM, POE and LDPE and through control of a foaming ratio and density difference values of each layer of materials, a heterogeneous expandable rubber compound composed of a plurality of layers and having quasi-continuously changing performances in the thickness direction of the materials are subjected to one-shot mould pressing, foaming and moulding so as to prepare the foamed sole material, and function gradient differences of density, hardness and wear resistance are realized. Due to gradual change of density, stress concentration is mitigated, and the prepared foamed sole material does not warp. The foamed material has low density at one side close to the vola while the foamed material has high density at one side close to the outer sole, so the foamed sole material has good wear resistance, reduces the weight of the sole and has improved wearing comfortableness.

The invention relates to a static magnetic field-laser coaxial composite fusion covering method and a device and belongs to the technical field of laser processing. A static magnetic field is provided by an electromagnet, and the coaxial compositing of the magnetic field and a laser beam is realized through a device. When in magnetic field-laser coaxial fusion covering, the magnetic field generation device moves coaxially and synchronously with the laser beam, the coupling of the magnetic field and a laser-induced molten pool flow field can be completed, the laser fusion covering process is completed through a preset or coaxial powder delivery way, the flowing of the laser-induced molten pool can be inhibited, so that a purpose for controlling the solidification structure, improving the surface shape of the fuse covering layer, optimizing the distribution of the stress and reducing the splashing phenomenon in the fuse covering process can be realized. The coaxial synchronous motion of the magnetic field and the laser can be realized. The static magnetic field-laser coaxial composite fusion covering method and device have the characteristics of good capacity for controlling the fuse covering layer, wide application range, simplicity in structure, convenience in popularization and the like.

The invention discloses a device and a method for reducing the temperature of catalytic cracking regenerated catalyst in the field of petrochemical industry catalytic cracking and aims to solve the problems that the method for reducing the temperature of catalytic cracking regenerated catalyst has a small application range in the prior art, and the like. The device comprises a regenerated catalyst cooler (4) arranged below a regenerator (1) and the bottom head of the cooler is internally provided with a cooling main air distributor (8). A sleeve (5) is arranged between the top of a taper section of the regenerated catalyst cooler and the bottom of the regenerator and provided with a regenerated catalyst conveying pipe (3) internally, and an annular space (6) is formed between the sleeve and the conveying pipe. A regenerated inclined pipe (11) is arranged between the regenerated catalyst cooler and a heavy oil riser reactor (12) of a catalytic cracking device. The invention also discloses a method for reducing the temperature of catalytic cracking regenerated catalyst by adopting the device. The device and the method can be used for setting a catalytic cracking device of a single heavy oil riser reactor and a plurality of riser reactors.

The invention discloses an integrated Venturi air washing device. The device comprises two communicated barrels, wherein one barrel is a washing tower in which waste gas can be subjected to pre-washing treatment such as cooling and humidifying, and washing liquid can be injected and fully mixed with flue gas; the other barrel is a separation tower which mainly finishes gas-liquid separation; and the two barrels are connected into a whole through a communicating pipe. After being pretreated, the waste gas is washed and separated by using a Venturi effect and the cyclone separation principle. The Venturi air washing device is small in size, can be flexibly arranged, is easy to manufacture, is flexibly regulated, and can be suitable for large flue gas treatment, small workshop air purification and the like.

The present invention relates to the field of air conditioner technology and consists of air conditioner and its remote controller. The remote controller consists of wireless controller and cellphonemodule installed inside air conditioner as well as wireless modem capable of communicating with the cellphone module via GSM network or CEMA network in radio mode. The wireless modem consists of cellphone module and computer connected to the cellphone module or consists of one cellphone; and the radio controller consists of power source, memory, communication unit and man-computer interface. The present invention makes it possible to control air conditioner via relatively long distance. It is especially suitable for remote control of dispersive air conditioners.

The invention discloses a micro-liquid-drop transportation method, the method takes a C-shaped cut lithium niobate substrate and a polytetrafluoroethylene hydrophobic membrane as a core, uses a photoelectric wetting effect for driving micro liquid drops, and the micro liquid drops are driven by the scanning motion of the laser focusing light spots on the C-shaped cut lithium niobate chip for transport according to any two-dimensional path. The chip required by the method has a simple and reliable structure, flexible regulation and control can be carried out on the transport motion of the micro liquid drops by controlling the light spot scanning path and the laser power, can be used for polar liquid, and has no special requirements on physical property of the micro liquid drops to be transported. The method can be used for transporting the microscale chemical reagents and the fluid samples during a biological, chemical and medical analysis process, and has very important meaning for the development of fields such as bio-medical treatment, medical diagnosis, environment monitoring and molecular biology.

The invention discloses a preparation method of an end-expanded microstructure array adhesive material, which belongs to the field of preparation of adhesive materials, and comprises the following steps: 1) processing a through hole on a metal sheet; 2) modifying the morphology of the through hole by adopting an electrochemical method to prepare a mold through hole assembly; 3) filling a mold witha polymer, curing, and demolding to obtain the end-expanded microstructure array adhesive material. According to the invention, controllable modification of the through hole is carried out by electroplating, precise machining of complex geometry on a metal material is realized; compared with an existing non-metal mold, the service life of the mold can be greatly prolonged, the production cost canbe greatly reduced, the tail end morphology of the microstructure can be regulated and controlled by adjusting the positive pressure between the through hole assembly and the substrate assembly according to the substrate assemblies with different elasticity moduli, and therefore preparation of adhesion materials with different properties is achieved.

The invention relates to a multistage extraction unit for animal and plant raw materials, and a method and application thereof, belonging to the technical field of animal and plant extraction. The extraction unit comprises an extraction tank (1), a filtration membrane filter (2), a pulverizer (3) and a concentrated solution membrane separation device, wherein the extraction tank (1) is connected with the pulverizer (3) through a raw material delivery pipe (101), and connected with a feed port of the filtration membrane filter (2) through a first pump (4) via a pipeline; a filtrate outlet of the microfiltration membrane filter (2) is connected with a filtrate output pipe (201); and a concentrated solution outlet of the filtration membrane filter (2) is respectively connected with the extraction tank (1) through a concentrated solution return pipe (202) and connected with the concentrated solution membrane separation device through a concentrated solution delivery pipe (203). The extraction unit can pulverize the raw materials into fine powder and perform membrane separation extraction, has the advantages of high extraction efficiency and high yield, and is capable of obviously enhancing the concentration of the obtained filtrate, reducing the solvent consumption and lowering the production cost.

The invention discloses a digital television playing method comprising the steps of receiving an input sound screening command, and acquiring a target sound type needing to be extracted according to the sound screening command; acquiring a television signal of a currently playing television program, and extracting initial audio data of the television program from the television signal; analyzing the initial audio data, and extracting target sound data corresponding to the target sound type from the initial audio data; and replacing the initial audio data in the television signal with the target sound data, and using the television signal of which the sound data is replaced to play the television program. The invention also discloses a digital television and a computer readable storage medium. According to the digital television and playing method thereof, and the medium provided by the invention, the audio content played by the digital television is flexibly controlled.

The invention relates to the field of environmental control of a sunlight greenhouse, in particular to a multi-stage internal heat insulation shading system for a greenhouse and the greenhouse containing the system. The internal heat insulation shading system comprises multi-stage internal heat-insulation shading screens, a screen pressing line and a screen supporting line, a plurality of pulling screen mechanisms, a driving shaft and a motor for driving the rotation of the driving shaft; each pulling screen mechanism comprises a driving steel cable and a reversing pulley, wherein one ends of the driving steel cables are wound on the driving shaft, and the other ends of the driving steel cables are wound on the reversing pulleys; one sides of the inner heat insulation screens are fixed, and the other ends of the inner heat insulation screens, as retracting and releasing ends, are respectively connected with the driving steel cables. The internal thermal insulation shading system not only has the advantages of simple structure, saving production cost, but also can flexibly regulate and control the indoor temperature and light according to the different needs of temperature and light by crops in different growing seasons and different time. Compared with traditional internal insulation and shading systems, the system provided by the invention has a greater application and promotion value.

The invention relates to a ceramic thermal barrier coating layer and a method for quickly preparing the coating layer through in-situ reaction, and belongs to the field of preparation and applicationof inorganic nonmetal materials. The component of the coating layer is La2(Ce1-xMx)2O7+delta, and M is one or a combination of two of Ti, Zr, Hf, Ta, Nb, Mo and W, wherein x is more than or equal to 0.10 and less than or equal to 0.30, and delta is more than or equal to 0 and less than or equal to 0.6. The coating layer is prepared by uniformly mixing soluble lanthanum salt, soluble cerium salt and soluble M salt through a plasma spraying method. The preparation method has the characteristics of simplicity, efficiency, low cost, flexible adjustment and control of the component of the coating layer, and is suitable for industrial production. The coating layer prepared through solution plasma spraying is excellent in heat isolation performance and thermal shock resistance; and the coating layer is stable in structure and long in service life and can be applied to high-temperature protection of a high-temperature alloy such as a marine engine, an aero-engine, a ground gas turbine and a rocket engine or a hot-end component of a refractory alloy.

The invention discloses a geometric phase metasurface applied to broadband multi-mode vortex wave beam generation. A basic unit of the metalsurface is composed of a metal rod structure, a dielectric layer and a metal backboard stacked successively from top to bottom. The unit is anisotropic via special structural design, and the reflection phase difference is 180 degree under x and y polarized electromagnetic wave irradiation. A metal rod rotates for an angle phi within the horizontal plane of the metasurface by taking the center of the metal rod itself as the origin, and circular polarized incident waves irradiated on the unit is reflected to obtain circular polarized waves with the same rotation performance plus an additional +/- 2phi geometric phase change. The units are arranged in a 2D plane according to preset phase distribution, and under irradiation of the circular polarized electromagnetic waves, the metasurface can generate four different modes of vortex wave beams in different directions. The metasurface is simple in structure, easy to process and wide in working frequency band, and can be used for information coding, and the channel capacity can be improved by mode multiplexing.

The invention discloses a method for high-effectively regulating the dislocation density of local area of CVD monocrystal diamond. In the method, composite technologies such as plasma etching, surfaceappearance detection and orthogonal polarization imaging, etc., a high-dislocation density area in a diamond substrate can be rapidly and destructively determined; by using high-energy particle beamssuch as femtosecond laser, the high-dislocation density area in the diamond substrate is patterned flexibly and high-effectively. With combination of selection and arrangement of a mask material in agraphical area, the method can block the extension of the dislocation of bottom area of the processed pattern to the CVD diamond growing layer, regulate the extension direction of the dislocation line on the side area of the pattern, and release the stress during the process of growing the graphical area, thus reducing the dislocation density and residual stress of the local area in the CVD diamond growing layer effectively, achieving pertinent regulation of defects and crystallization quality of the growing layer, and improving the growing uniformity and crystal quality of the CVD diamond.