311results about How to "Improve controllability" patented technology

A CVD apparatus (2) forms an insulating film, which is a silicon oxide film, silicon nitride film, or silicon oxynitride film. The CVD apparatus includes a process chamber (8) to accommodate a target substrate (W), a support member (20) to support the target substrate in the process chamber, a heater (12) to heat the target substrate supported by the support member, an exhaust section (39) to vacuum-exhaust the process chamber, and a supply section (40) to supply a gas into the process chamber. The supply section includes a first circuit (42) to supply a first gas of a silane family gas, a second circuit (44) to supply a second gas, which is an oxidizing gas, nitriding gas, or oxynitriding gas, and a third circuit (46) to supply a third gas of a carbon hydride gas, and can supply the first, second, and third gases together.

The invention discloses an electric pressure pot. The electric pressure pot includes an outer pot body, a supporting part, a bracket, an inner pot body and an electromagnetic heating disc; the supporting part is arranged in the outer pot body and supported on the bottom wall of the outer pot body; the bracket is supported on the supporting part; the inner pot body is arranged in the outer pot bodyand supported on the bracket; the electromagnetic heating disc is used for heating the inner pot body, arranged on the bracket and positioned between the outer bottom surface of the inner pot body and the inner bottom surface of the outer pot body. The electric pressure pot has the advantages of being low in thermal inertia, great in controllability, high in reliability and the like.

A water level control system for enhancing the controllability of the level of water retained in a steam drum. A water level control section of the system determines the volume of retained water in a steam-water separator from a detected steam flow rate signal by using a function operator and a first order lag circuit, determines a signal representing the mass flow rate balance of water in the steam-water separator by differentiating the volume of retained water with respect to time with a differentiator, generates a compensated signal by adding the signal to the difference between a detected feed water flow rate signal and the detected steam flow rate signal, and properly compensates a valve area demand for a feed water flow control valve.

There are provided a control device, a control method, a control unit, and an engine control unit, which are capable of controlling a controlled object with relatively large phase delay and dead time, while attaining elimination of lag in control timing between the input and output of the controlled object and improvement of control accuracy at the same time. A state predictor calculates a deviation (output deviation) between an output from an oxygen concentration sensor and a predetermined target value at a predetermined deviation calculation period. Then, a DSM controller calculates a target air-fuel ratio for converging the output from the oxygen concentration sensor to the predetermined target value, according to the calculated deviation, based on any one of a Δ modulation algorithm, a ΔΣ modulation algorithm, and a ΣΔ modulation algorithm at a predetermined calculation period shorter than the predetermined deviation calculation period.

The invention discloses a two-dimensional porous graphitized carbon-coated nickel-tin alloy material and preparation and application thereof. Carbon-coated nickel-tin alloy nano-particles are uniformly embedded into two-dimensional porous graphitized carbon plates to form the material. A preparation procedure for the material includes utilizing NaCl as a dispersing agent and a carrier, dissolving the NaCl in a nickel source and a carbon source, mixing the NaCl, the nickel source and the carbon source, drying the NaCl, the nickel source and the carbon source under a vacuum condition and finely grinding the NaCl, the nickel source and the carbon source to obtain a mixture; placing the mixture and a tin source to be subjected to gas-phase exchange into a tube furnace, and calcining the mixture and the tin source under the protection of inert gas to obtain a calcined product; washing the calcined product to obtain the two-dimensional porous graphitized carbon-coated nickel-tin alloy material. The two-dimensional porous graphitized carbon-coated nickel-tin alloy material, the preparation and the application have the advantages that the preparation procedure is safe and harmless, operation is simple, the yield is high, and the prepared two-dimensional porous graphitized carbon-coated nickel-tin alloy material which is used as a cathode material of a lithium ion battery is high in reversible capacity and cycle stability.

In a control of an AC motor that uses a PWM control and a rectangular-wave control, when switching is conducted from the rectangular-wave control to the PWM control, a current command generated in a current command generation unit is corrected so as to smooth the variations in a time axis direction on the basis of a target torque command value by taking the final current state in the rectangular-wave control immediately prior to switching as an initial value, thereby generating a current command after the correction. An inverter is current feedback-controlled based on the current command after the correction. As a result, the continuity from the current state immediately prior to switching of the rectangular-wave control can be ensured for the current command in the PWM control.

An in-situ laser repairing method for the rotor shaft of electric generator or turbine includes such steps as nondestructive inspection and cleaning, laser smelting for repairing, and mechanical shaping. It features that after the alloy powder is attached to the rotating rotor shaft, the laser beam is used to radiate the rotor shaft and the water is used as cooling medium, the stepless speed regulator is cooperating with the winder of in-situ electric generator set, and when it is mached, the rotor shaft is static and the cutting tool is moving around it.

An object of the present invention is to provide a golf ball having excellent durability and flight distance. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein, at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains a highly elastic resin (A) having a flexural modulus in a range from 700 MPa to 5000 MPa and an ionomer resin (B) having a flexural modulus in a range from 150 MPa to 1000 MPa in an amount ratio ((A)/(B)) of the highly elastic resin (A) to the ionomer resin (B) being (20 mass % to 80 mass %)/(80 mass % to 20 mass %) (the total is 100 mass %).

The invention relates to a method for preparing a titanium diboride and titanium carbide enhanced iron-based wear resistant composite paint. The method comprises the following steps: selecting a plurality of materials from iron powder, titanium powder, ferrotitanium powder, boron carbide powder, ferroboron powder and graphite powder to mix and form mixed powder containing the four elements of iron, titanium, boron and carbon, adding or not adding one or more of Ni, Cr, Si and Y2O3, placing the obtained powder in a ball mill or mixer to mix evenly; then using the mixed metal powder to form paste, coating the paste on the surface of carbon steel to form a layer of preset powder; and then adopting laser heating to irradiate the preset powder and ensure that the preset powder and partial carbon steel base material are molten to form a molten bath and perform metallurgical reaction. The preparation method is simple and the prepared composite paint has high hardness and excellent wear resistance.

The invention discloses a formwork support construction method based on the P-BIM technology. Compared with traditional formwork support erection methods, the formwork support construction method has the advantages that three-dimensional modeling is carried out on construction projects through the P-BIM technology, the layout of formwork supports, intelligent computation and formation of implementation schemes are carried out according to building models, technical disclosure, erection, check and acceptance check are carried through the models, the visuality is high, the speed is high, the work efficiency can be greatly improved, the controllability of the construction process of the formwork supports can be improved, and the quality and the safety of construction can be guaranteed.

The embodiment of the invention discloses a service filtering method and device based on a default bearer. By applying the technical scheme of the embodiment of the invention, a PGW (packet data network gateway) is used for configuring the corresponding TFT (traffic flow template) rules for the default bearer according to APN (access point name) information, and services on the default bearer are filtered according to the TFT rules, so that the corresponding service flows, such as the service flow of the services with the lower added value, can be filtered out according to the corresponding rules, the management, the control and the optimization of the services on the default bearer can be realized, an operator can perform the flexible management and the control on the services of different users, which are connected into a PDN (packet data network) and the controllability of the PGW to the network as a core network interface can be improved.

The invention discloses a double-fed type wind generating set low-voltage-ride-through control method based on an electromagnetic transient algorithm. The double-fed type wind generating set low-voltage-ride-through control method is characterized in that when falling fault happens to power grid voltages, a control system controls double-fed motor stator flux linkage decoupling, transient state compensating current computing and composition and rotor current loop closing, so that a low-voltage-ride-through purpose of a double-fed type wind generating set is achieved. According to the requirement that transient state voltage impact at a double-fed motor rotor end is lowered when a power grid falls, transient state compensating currents are injected into the double-fed motor rotor end, the angle of the double-fed motor rotor end is set, so that the transient state voltages at the rotor end is optimally controlled when the power grid voltages fall, and accordingly impact from the transient state voltages on the double-fed type wind generating set when the voltages fall is lowered, and meanwhile decay speed of stator direct current flux linkage can be increased, a transient state process of a system is shortened, and influence from a flux linkage negative sequence component on the wind generating set is lowered. Accordingly, through the low-cost high-reliability control method, the voltage fault range which the double-fed type wind generating set can ride through is expanded, and the low-voltage-ride-through performance of the double-fed type wind generating set is greatly improved.

The invention discloses a supported metal organic skeleton/graphene oxide hydrogen storage material and a preparation method thereof. The hydrogen storage material is formed by steeping palladium metal in a metal organic skeleton/graphene oxide carrier, wherein the loading capacity of the palladium metal is 1.0-5.0% of the mass of the carrier; and the metal organic skeleton is ZIF-8. The preparation method comprises the following steps: firstly heating reactants of dissolvable zinc salt, 2-methylimidazole and graphene oxide to prepare a metal organic skeleton/graphene oxide carrier material, and then loading dissolvable palladium salt in the metal organic skeleton/graphene oxide carrier to obtain the supported metal organic skeleton/graphene oxide hydrogen storage material under the condition of existence of a reductant and a dispersant by adopting an excessive steeping method. The supported metal organic skeleton/graphene oxide hydrogen storage material has good hydrogen storage performance at room temperature, and the process is simple.

The invention provides a wire arraying mechanism of a wire winding drum of a diamond wire cutting machine, which at least comprises a lifting rack, the wire winding drum fixed on the lifting rack, a mounting bracket relatively movably arranged on the lifting rack, a drive motor arranged on the lifting rack, a second change wheel and a screw rod, wherein the drive motor drives a drum shaft of the wire winding drum to rotate at high speed by a conveyor belt when working, simultaneously the drum shaft is decelerated for three times by a first change wheel, the second change wheel and a third change wheel to drive the screw rod to rotate at low speed, and the screw rod rotates to drive the lifting rack to slowly ascend or descend, thereby fulfilling the aim of single-layer wire arraying on the wire winding drum. The wire arraying mechanism of the wire winding drum provided by the invention is used for solving the problems of complexity, single-layer wire arraying inaccuracy and the like of the wire arraying mechanism in the prior art.

A gate electrode structure may be formed on the basis of a silicon nitride cap material in combination with a very thin yet uniform silicon oxide based etch stop material, which may be formed on the basis of a chemically driven oxidation process. Due to the reduced thickness, a pronounced material erosion, for instance, during a wet chemical cleaning process after gate patterning, may be avoided, thereby not unduly affecting the further processing, for instance with respect to forming an embedded strain-inducing semiconductor alloy, while nevertheless providing the desired etch stop capabilities during removing the silicon nitride cap material.

An X-ray CT apparatus has an operating guide unit for guiding a series of operations necessary from preparation till completion of scanning. The operating guide unit selectively displays a patient information input operating guide, a scanogram imaging operating guide, a scan plan selection operating guide, a scan range setting operating guide, a bed move starting guide, a scan operating guide, and a scan completion operating guide, in accordance with respective operation stages.

The invention relates to a gesture control display system and a control method thereof. The gesture control display system comprises a touch display device, an image capture device and a recognition control module. The image capture device is used for capturing gestures of users and transmitting the gestures to the recognition control module. The recognition control module is used for recognizing and judging the gestures captured by the image capture device, generating corresponding control signals and transmitting the control signals to the touch display device. The recognition control module comprises a starting recognition unit, a general gesture unit and a control distribution unit, wherein the starting recognition unit is used for recognizing and judging starting gestures of the users and generating the control signals for starting up the touch display device, the control distribution unit is used for recognizing and confirming identities of the users to distribute gesture control rights, and the general gesture unit is used for recognizing and judging control gestures of the users and generating image control signals for changing display pictures of the touch display device. The gesture control display system can improve controllability.

The invention relates to a combined atomization type device and method for preparing spherical metal alloy micro powder. The device comprises an induction melting furnace, a tundish, an inert gas pipe for atomization, a gas atomization spray ring, a centrifugal atomization rotating disc, a high-speed motor, a motor protection shell, an atomization chamber shell, a fixed support and a melting operation bin shell. According to the combined atomization type device and method for preparing the spherical metal alloy micro powder, powder prepared through gas atomization and powder prepared through centrifugal atomization are combined to be used together, so that the pressure of gas for gas atomization and the rotating speed of the centrifugal atomization rotating disc are decreased, the operation difficulty in the manufacturing and production processes of the device is substantially lowered, mass production is achieved, and the prepared metal alloy micro powder meets the specification and requirements of 3D printing for the metal alloy micro powder; and particularly, the method provided by the invention has the advantages that a metal alloy micro powder product is narrow in particle size distribution and good in controllability, the degree of sphericity is significantly improved, the oxygen content is substantially reduced, and meanwhile, the equipment investment and production operation cost are reduced.

By creating a temperature profile across a polishing pad, a respective temperature profile may be obtained in a substrate to be polished, which may result in a respective varying removal rate across the substrate for a chemically reactive slurry material or for an electro-chemically activated polishing process. Hence, highly sensitive materials, such as material comprising low-k dielectrics, may be efficiently polished with a high degree of controllability.

A video game device successively obtains game data, which changes according to the state of the input device and is used in the game process. The video game device stores game data obtained at a point in time when the game process is paused. The video game device successively compares current game data with the stored game data, after starting to accept cancellation of the pause. The pause is canceled to resume the game process when a difference between a value of the current game data and a value of the game data stored in the storage means becomes smaller than a predetermined reference.

The invention relates to the technical field of medical functional dressings, in particular to long-acting antibacterial hydrogel and a preparation method thereof. The hydrogel is characterized in that hydrogel dressing is formed through adding medicine ingredients into a sodium alginate solution to be taken as water phases jointly, wrapping the medicine ingredients in a microcapsule and then adding the microcapsule into a gel substrate; a wound surface is coated with the dressing during the use; under the action of wound surface exudates and body temperature, the microcapsule gradually swells to release the medicine ingredients, so that the controllability of medicine ingredient release is realized, a slow-release effect is realized, medicines can continuously act on a wound in a long-acting way, and the defects that the medicine ingredients cannot continuously realize a medicine effect as traditional dressing directly and completely releases the medicines, and the dressing is required to be constantly replaced are overcome. Chitosan oligosaccharide plays a good role in promoting wound healing, and organosilicon quaternary ammonium salt plays an antibacterial role. Meanwhile, in the long-acting antibacterial hydrogel, the combination of the chitosan oligosaccharide, sodium alginate and calcium chloride is adopted for cross-linking to from the microcapsule, so that the biological toxicity of a chemical cross-linking agent is avoided.

Provided is a compressor control unit with a high response ability to changes of gas condition of a compressor (compressor suction temperature, pressure, gas specific gravity, pressure ratio of suction pressure and discharge pressure). In the control unit for a compressor that supplies gas into a gas turbine through a header tank, an inlet gas condition is measured and a load command value from a gas turbine controller is corrected to be increased or decreased corresponding to the measured inlet gas condition.

The invention discloses a far infrared flexible wearable heating sheet and a preparation method and an application thereof. The preparation method comprises the following steps that at least one flexible heating body and a flexible insulating material layer are provided, wherein each flexible heating body is electrically connected with an electrode; the flexible heating body comprises a carbon material heating film, wherein the carbon material heating film comprises a carbon material layer, parallel electrodes or interdigital electrodes arranged at the two ends and/or on the two sides of the carbon material layer, and high-temperature-resistant insulating layers for covering the two sides of the carbon material layer; and the flexible insulating material layer is arranged on the two opposite sides of the flexible heating body, and lamination and curing are performed by fast pressing or transfer pressing equipment, so that sealing and insulation of the heating body and the electrode arerealized, wherein the carbon material heating film is prepared by wet coating. According to the preparation method, batch consistency preparation of the flexible carbon material heating film is realized by utilizing a wet-process coating technology; and through electrode design, the carbon material heating film can be driven by a low voltage so as to generate heat, and application to the field offlexible wearable heating can be realized finally.

The invention discloses a method and device for electrochemically treating sewage with low-concentration carbon sources and super-high concentration ammonia nitrogen with microorganisms. The method includes the steps that under the condition that free or only a small quantity of carbon sources exist, high-concentration ammonia nitrogen sewage is treated with the electrochemistry biological denitrification method, ammonia nitrogen pollutant is converted into harmless nitrogen, operation is easy, secondary pollution is avoided, the ammonia nitrogen content of the sewage is up to the standard, and the sewage can be safely discharged; the sewage pretreated by a grating and grit chamber enters an aerobic electrode chamber, a bacteria nitrifying membrane or sludge particulates are subjected to a nitratlon reaction through oxygen generated by electrolyzed water, and ammonia nitrogen is removed; the sewage enters an anaerobic/anaerobic electrode chamber through an isolation pond, a bacteria denitrifying membrane loaded on the conductive electrode surface is subjected to an electrode denitrification reaction through electrons, and nitrate and nitrite are converted into harmless nitrogen. According to the method and device, the occupied area is small, organic carbon sources are not required for denitrification when the high-concentration ammonia nitrogen sewage is treated, the treating efficiency is high, operation is stable, energy is saved, the device is easy and convenient to maintain, and the good application prospects are achieved.

The invention discloses an automatic feed pelleting device. The device comprises a shell which is of a cavity cuboid structure, a control box is fixedly connected to the side surface of the bottom of the shell, and a controller and power connectors are arranged in the control box; a display screen is arranged on the side surface of the middle of the shell, an indicator light and an alarm are arranged on the display screen respectively, and a feed inlet matched with a discharging hopper is formed in the top surface of the shell; a screen mesh is arranged below the feed inlet, the side surfaces of the screen mesh are movably connected to the inner walls of the side surfaces of the shell respectively, and a buffering warehouse is arranged below the screen mesh; the side surface of the buffering warehouse is fixedly connected to the inner wall of the side surface of the shell through a fixing rod, a first electromagnet is arranged on the side surface of the bottom of the buffering warehouse, an open-close door is arranged on the bottom surface of the buffering warehouse, and one end of the open-close door is rotatably connected to one end of the bottom surface of the buffering warehouse. The device has the advantages the device is easy to operate, high in automatic degree and good in pelleting effect and can effectively save labor.

The invention relates to a dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane for gas separation, and belongs to the technical field of membrane separation. The dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane is characterized in that the dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane is mainly made of dopamine, metal organic compounds and polyether co-polyamide; the surfaces of the metal organic compounds are modified by the dopamine at first, then the modified metal organic compounds and the polyether co-polyamide are mixed and stirred with one another at certain temperatures, and the dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane with a controllable thickness can be obtained by the aid of scrape coating technologies. Compared with the traditional metal organic compound mixed substrate membranes, the dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane has the advantages that defects of interfaces between the metal organic compounds and polymer substrates can be obviously improved, and the affinity of the metal organic compounds and the polymer substrates can be improved; the dopamine-modified metal organic compound/polyether co-polyamide mixed substrate membrane is high in gas permeation flux, has a high separation factor and is particularly applicable to separating carbon dioxide in the air.

The invention discloses a preparation method of a high-performance neodymium-iron-boron magnet. The preparation method comprises the following steps: preparing R1-Fe-B-M sintered magnet blank, configuring volatile oil solvent suspension containing alloy powder of heavy rare earth or low melting point metal, hydride, fluoride or oxide and heating, cleaning the blank and immersing the blank into thesuspension at the angle of 5-45 degrees and then taking out and sintering so as to obtain the magnet. The preparation method has the advantages that the high-temperature volatile organic solvent is applied and volatilization is quite quick so as to greatly improve uniformity and controllability, omit the conventional dip-coating or spray-drying process in the past, save energy, greatly improve the production efficiency, increase the material utilization rate reduce the cost and have higher uniformity of diffusion; and the introduction of impurities such as C is greatly reduced by the use of the volatile solvent.

The invention relates to a method for breeding cabbage and producing seeds, in particular to a method for breeding disease resistant cabbage and producing seeds, which belongs to the technical field of plant breeding. In the invention, environment conditions for arousing diseases easily are created in the breeding stage of cabbage so as to breed high-temperature-resistance, high-humidity-resistance and high-disease-resistance hybrid seeds. Compared with the conventional breeding method, passive quality detection is converted into high-quality seed screening and the controllability is high. Inaspect of disease identification, the method is more complete, more accurate, simpler, more convenient and easier to implement than a manual inoculation method.

The invention discloses a structure of a nano-wire cold cathode electron source array with a grid electrode, and a production method and an application thereof in flat panel display. The electron source array structure comprises a substrate, a cathode electrode strip and a grid electrode strip which are mutually crossly arranged and produced on the substrate, an insulating layer between a cathode and the grid electrode, and a nano-wire cold cathode array produced on the cathode electrode strip. The electron source array structure is produced by adopting a method combining a film micro-processing technology and a self-assembly growth technology. In the method, a nano-wire cold cathode is made by adopting a direct oxidation method without catalyst. In addition, a covering layer is produced on the cathode for protecting a source material required for the growth of nano-wires and limiting the growth of the nano-wires in a region close to the grid electrode. The electron source array structure adopts the nano-wires as the cold cathode, has simple production method and technology as well as high controllability, and can be applied to panel display devices of field emission.

The invention relates to an all-medium metasurface color printing and holographic encryption co-modulation method, which belongs to the technical field of micro-nano optics. The method uses an amorphous silicon-coupled polar antenna and an amorphous silicon nanorod antenna with different spectral responses to spatially arrange a color-printed target pattern on the metasurface, the in-plane azimuthis used at the same time to take a pixel as a unit to code the spatial phase distribution of a metasurface hologram corresponding to a different wavelength, the metasurface color printing technologyand a wavelength-multiplexed metasurface hologram set are integrated in a single-layer all-medium metasurface. The all-medium metasurface is rendered as a micro-color image under the illumination of white light. Different holographic reconstruction images are reconstructed in a far field under irradiation of coherent monochromatic lasers with specific wavelengths, and the information capacity is extremely high. The invention also provides a method of hiding secret information, which has great potential in many fields such as data storage, holographic display, information encryption, and forgery prevention.