128results about How to "Suitable for control" patented technology

The invention relates to a method for cultivating frame type strawberries and belongs to the technical field of crop cultivation. According to the method for cultivating the frame type strawberries, a frame type strawberry cultivation device is adopted and is composed of cultivation grooves, cultivation groove supporting columns, a cultivation frame base, non-woven fabric and drip irrigation zones; through the suspension soilless cultivation of the strawberries, the labor intensity is relieved, the amount of labor is reduced, successive cropping obstacles are overcome, environmental growing conditions are effectively regulated, labor-saving, clean and high-quality cultivation is achieved, and high-quality strawberries can be produced. The natural environment and the production conditions are improved, the integration effect is utilized and performed, resources can be utilized more effectively, the resource utilization rate in unit area and unit time is increased, the potential productivity of an limited area is performed, and a remarkable effect is achieved. Along with the powerful development momentum of strawberry production and leisure picking, three-dimensional strawberry has a broad market, tourism picking can be more comfortable, and a novel mode is provided for the development of the urban leisure agriculture.

The invention discloses a black phosphorus and gelatin based composite hydrogel and an application of the black phosphorus and gelatin based composite hydrogel to bone tissue engineering. The composite hydrogel comprises black phosphorus and gelatin modified by double bonds, wherein the total content of the gelatin modified by double bonds is 5%-99.9%. The biocompatibility of the composite hydrogel is good, the safety is high, the composite hydrogel has excellent mechanical properties and biological performance at the same time, supports the growth and osteogenic differentiation of the cell, and has obvious effects on promoting the generation of new bones and repairing bone defects; a hydrogel matrix having the appropriate performance is specifically constructed by chemically modifying thegelatin, meanwhile, the mineralization speed of the hydrogel is controlled by using the characteristic of the black phosphorus oxidizing in the coexistence of light, oxygen and water and the induction effect of the black phosphorus on the calcium element through the photocontrol, so that the process of repairing the bone is effectively regulated and controlled. The safety of the product is good,the performance is reliable, the operation is convenient, the repeatability is good, and the composite hydrogel is easy to industrialize.

The invention discloses a water level packaging based MEMS wind speed and wind direction sensor structure and packaging method. The method comprises the following steps. The front side of a silicon wafer is reversely welded in the wafer level packaging manner onto a ceramic substrate; the back side of the ceramic substrate is used as an interface where the sensors are in contact with the wind. Only through the low temperature bonding between the silicon wafer and the ceramic substrate and among the sensors in different areas, the silicon chip is capable of connecting the central temperature measuring device, the heating device and the heat transmitting and temperature measuring device to a circuit to perform control and detection. In order to achieve better heat contact between the silicon chip and the ceramic substrate, the heating ends of the heating device, the central temperature measuring device and the heat transmitting and temperature measuring device are closely attached to the ceramic substrate. In this way, compared with the structure in the prior art, cost can be reduced; sensitivity is increased; and the response time is shortened. The wafer level packaging based MEMS wind speed and wind direction sensor of the invention is cost-effective and highly sensitive. It also responds quickly and can be manufactured with simple technology.

The invention provides a titanium-based surface antibacterial and bone tissue regeneration induced functional coating as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly preparing an electrolyte, taking titanium or a titanium alloy as an anode and taking stainless steel as a cathode, preparing a porous TiO2 coating containing calcium, phosphorus and strontium by adopting a micro-arc oxidation technology, then sequentially performing hydro-thermal treatment by virtue of a fluorine-containing solution, and also loading human bone morphogenetic protein-2 to finally obtain a target coating disclosed by the invention, wherein the coating consists of an inner layer which is bonded on the surface of a matrix and a surface layer which is bonded on the surface of the inner layer, the inner layer is a porous TiO2 layer containing calcium, phosphorus and strontium, and the surface layer is a three-dimensional nano-fibrous hydroxyapatite layer which is loaded with human bone morphogenetic protein-2 and contains strontium and fluorine. No non-continuous interface is formed between the coating and the matrix, so that the coating provided by the invention has relatively good bonding strength and structure stability performance, also has good antibacterial and bone tissue regeneration inducing functions, and can be used for significantly promoting the osteogenic function of cells, promoting new bone formation and inhibiting the adhesion and growth of bacteria.

The invention provides a vector control method of a non-sinusoidal counter-electromotive-force surface AC magnetoelectric machine, belonging to the AC magnetoelectric machine speed regulating method. The speed regulating method comprises the steps of calculating to acquire the vector amplitude of a permanent magnetic linkage derivative and the relation curve between a phase and a vibrator electric angle according to relation curve between the permanent magnetic linkage derivative and the motor vibrator electric angle acquired by numerical calculation, experiments or identification, establishing a d'q'-axis coordinate system by taking the vector direction of the permanent magnetic linkage derivative as a q'-axis, controlling the current of a d'-axis to be 0 to orient the current vector direction to the vector direction of the permanent magnetic linkage derivative, and performing the cogging force (or torque) compensation by combining with relation curve between the cogging force (or torque) acquired by numerical calculation, experiments or identification and the vibrator electric angle to acquire unrippled thrust force (or torque) control having the maximum efficiency. The invention solves the problem that the thrust force (or torque) pulsation phenomenon exists in the traditional vector control method owing to the influence of the permanent magnetic linkage harmonic wave, cogging effect and the like, provides a high-performance speed regulating method of the non-sinusoidal counter-electromotive-force surface AC magnetoelectric machine, and is particularly applicable to the surface AC permanent magnet linear motor.

The invention discloses a control method of pollution of nostoc and agaric culture mediums, firstly adopting pure cultivation in the strain production; secondly, before inoculating, washing culture tank and container; thirdly, washing or screening algae; fourthly, filtering the culture solution by gauze; fifthly, killing or eliminating planktons. It has simple and easy operation, high efficiency, convenient operation, low cost, able to effectively control the quantities of living pollutants in the culture solution within 1% during cultivating, and suitable to control production pollution in factories.

The invention provides a total refraction immersed projection optical system and device and the application thereof, for imaging pattern in object plane of the optical system into image plane of the optical system; the optical system comprises six lens sets in the light axis direction, where the first, third, fifth and sixth have positive focal power and the second and fourth lens sets have negative focal power; aperture grating is located between the fifth and sixth lens sets; high refractivity liquid medium is filled between the image plane and lens closest to the image plane; the optical surface of each lens is spherical or planar. And the invention implements large numeric aperture, high resolution and better imaging quality; enlarges object-side working distance but does not introduce nonsphere, reduces difficulty in optical machining, detection and mounting and check, and besides, effectively reduces the making cost.

The invention provides a household appliance automatic control system based on community access control, association information of home owner registration information and a household appliance controller in the home of the home owner is established, community access control serves as a switch for remotely controlling household appliances, when the home owner goes home or leaves home and passes the community access control, electric appliance facilities at home are remotely automatically turned on or off through a server, the home owner does not need to operate manually, remote automatic control of household appliances is realized, the home owner does not feel the control, and compared with manual operation through a mobile phone APP, the intelligent level is higher.

Provided are water-soluble PVA fibers having practicable fiber properties such as good mechanical properties and chemical resistance not detracting from their original water-solubility, and a water-soluble nonwoven fabric comprising the fibers. The nonwoven fabric also has practicable properties such as good mechanical properties and chemical resistance, and has many applications, for example, for base fabrics for chemical lace. The water-soluble PVA fibers are reacted with from 0.01 to 5 mol% of an ionic group-having compound and satisfy the following relational formula in which Xcf (%) indicates the degree of crystallinity of the fibers and Wtb (DEG C) indicates the dissolving temperature in water of the fibers: Wtb < 2.50Xcf-70, wherein 30% ≤ Xcf ≤ 80%.

A composite lipid for treating and preventing pigmentation and photosenile dermatopathy is prepared from tretinoin, licoflavone, lecithin and surfactant through including the tretinoin and licoflavone in lecithin.

The invention relates to a method for preparing bismuth sulphide nanometer grains, in particular to a method for preparing mono-dispersion bismuth sulphide nanometer grains through a template method, which is characterized in that: the method for preparing bismuth sulphide nanometer grains comprises the following steps of: 1) preparing precursor solution containing bismuth: dissolving the compound containing bismuth into a dispersion medium to form the bismuth compound solution, and then putting the solution into dispersion stabilizer, and stirring for 0.5 to 3 hours, to acquire the bismuth precursor solution; 2) according to a molar ratio of sulfide ions in the sulfur compound solution to the bismuth ions in the bismuth precursor solution between 3: 2 and 1: 2, selecting the sulfur compound solution as well as the bismuth precursor solution; adjusting the pH value of the bismuth precursor solution between 1.0 and 5.0 by a pH regulator, and adding the sulfur compound solution while stirring at a high speed at the normal temperature; controlling the reaction time between 1 and 48 hours; and carrying out centrifugal separation for the acquired suspension liquid and getting rid of the supernatant, to prepare the mono-dispersion bismuth sulphide nanometer grains. The method for preparing mono-dispersion bismuth sulphide nanometer grains has the advantages of low cost, no pollution to the environment, high yield, narrow distribution of nanometer grain diameters and simple and convenient operation.

The invention provides a method for controlling an urban rail supercapacitor energy storage system based on dynamic setting and coordinative control specific to the voltage stability problem of an urban rail train traction network of the supercapacitor energy storage system. An energy management strategy of the urban rail supercapacitor energy storage system is proposed based on dynamic setting and coordinative control, and a four-input-four-output mode is adopted; a set charge-discharge voltage threshold value Urefx, a supercapacitor state of charge (SOCx), a control parameter and the distance Lx between an urban rail train and an energy storage device are used as input, and a voltage dynamic charging and discharging threshold value is used as output. According to a mathematical model, anoutput voltage threshold value is calculated according to the input dynamic change, an energy storage station adjusts the energy absorption and release of the energy storage system according to the dynamic threshold value and the system state, and stabilizes the voltage of a traction network. The dynamic setting and coordinative control method has the advantages of being high in dynamic performance, high in robustness and the like.

Provided is a method for controlling multiple vehicles by adopting an account mode. A vehicle owner firstly registers an account in a designated service system; an identification code of a vehicle needed to be controlled is added to the account; the account of the designated service system is logged in by using wireless communication equipment, and the vehicle needed to be controlled is designed; and the identification code of the vehicle designated to be controlled is sent to the wireless communication equipment of a login person by the designated service system, the login person uses the wireless communication equipment to send a control instruction, and a control system of the vehicle designated to be controlled performs control motion according to the instruction. With application of the aforementioned control method, a function that one machine controls the multiple vehicles can be realized, and other people can also be permitted to control the vehicle conveniently so that the method is especially suitable for control of company vehicles and is relatively safe and reliable.

The invention belongs to the technical field of calcium carbonate technologies, and discloses papermaking modified calcium carbonate. The papermaking modified calcium carbonate mainly comprises, by weight, 100-200 parts of light calcium carbonate, 10-15 parts of bamboo pulp fibers, 30-40 parts of cationic starch, 1-3 parts of sodium stearate, 0.01-0.05 part of sodium polyacrylate, 1-3 parts of bentonite, 0.1-0.8 part of chitosan, 0.01-0.05 part of hardening agents, 0.2-0.8 part of antioxidants, 0.5-1.5 parts of dispersing agents and 0.5-1.5 parts of coupling agents. The invention further provides a method for preparing the papermaking modified calcium carbonate. The papermaking modified calcium carbonate and the method have the advantages that the papermaking modified calcium carbonate can be uniformly dispersed and is high in retention and tear-resistant strength and good in suspension stability; the method includes simple processes, is safe and reliable and is easy to control, convenient to implement, suitable for large-scale production and low in production cost, and the like.

The present invention provides an onboard control system of a high-speed maglev train. The onboard control system of the high-speed maglev train is characterized in that drive coils and Hall sensor proximity switches 4 are provided on a track, the drive coils 8 are controlled by the Hall sensor proximity switches to be connected or disconnected, the bottom of the train is provided with onboard permanent magnets or vehicle control solenoid coils as the onboard control system at the positions corresponding to the Hall sensor proximity switches, the onboard control system can directly control the drive coils in a contactless way through the Hall sensor proximity switches, so that the train can directly control the drive coils on the track, the defect that substations are required to be arranged at intervals in the traditional control system can be overcome, and the control system is more simple and reliable in structure.

The invention provides a method for preparing caffeic acid phenethyl ester. The method comprises steps that 3, 4-dihydroxy benzaldehyde and phenylethyl acetate are subjected to microwave irradiation for 1 to 2 hours under catalysis of an organic base in a protic organic solvent to synthesize the caffeic acid phenethyl ester. According to invention, the method has advantages of simple technology, one-step synthesis, cheap and easily-available raw materials, non-toxic sodium alkoxide catalyst and low synthesis cost, the reaction can be carried out at room temperature, a yield is more than 85%, and the method is suitable for industrial production.

The invention provides a sonodynamic liposomal material, a preparation method and an application thereof in preparing pharmorubicin composite liposomal. The liposomal material comprises 10-40mg of lecithin, 10mg of cholesterol, 5mg of chlorin, 3-5mL of saline citrate buffer solution of which the pH is 4-5 and 0.1-1mL of surfactant. The sonodynamic liposomal material mainly relates to the composite liposomal of pharmorubicin and sonochemical agent chlorin. The preparation method comprises the following steps of: combining the pharmorubicin and the chlorin into the lecithin with a film dispersion method-pH gradient method to form the composite liposomal; and better targeting the pharmorubicin composite liposomal into a tumor tissue to dually kill a tumor cell. The sonodynamic liposomal material is used for treating various tumors and has a good development prospect.

A driving force control system comprises an internal combustion engine model (1000) represented by a model linearized while containing a primary delay element, an operating unit (2000) for calculating deviation of an estimated engine torque from a target engine torque, a delay compensator (3000) for compensating response delay of deviation, and an adder (4000) for calculating an engine torque control amount by adding a delay-compensated deviation to the target engine torque.

A control unit for a touch screen, which controls a first touch screen driven by a first driving method and a second touch screen driven by a second driving method, comprising: a first control circuit part corresponding to the first driving method; a second a control circuit section corresponding to the second driving method; a connector capable of connecting the first touch panel and the second touch panel; a driving method determination section determining a driving method of the touch panel connected to the connector; and a first selection section , which selects the control circuit unit based on the driving method determined by the driving method determining unit. In this way, touch screens with different driving modes can be driven by one control unit.

The invention provides a preparation method for a double-layer PET protective film for a lithium battery pack. The preparation method comprises the following steps: firstly, uniformly stirring and mixing acrylic pressure sensitive adhesive, ethyl acetate and butanone, then adding blue paste, white paste, yellow paste, a retarder and an assistant into the mixture in sequence, finally, adding hexamethylene diisocyanate and lithium tetrafluoroborate, and stirring uniformly to obtain an adhesive liquid; secondly, coating a single surface of a PET substrate with the adhesive liquid, performing heating treatment through 6 to 8 sections of baking channels in sequence until the residual solvent amount of the adhesive liquid does not exceed 0.5 parts; adhering the PET substrate which is coated with the adhesive liquid and a PET which is not coated with the adhesive liquid to obtain a double-layer PET composite film; coating the single surface of the PET composite film with the adhesive liquid, heating until the residual solvent amount of the adhesive liquid does not exceed 0.5 parts, discharging bubbles and winding at normal temperature. The PET protective film disclosed by the invention has high toughness, puncture resistance, high insulating property, high temperature resistance, and high adhesivity to an aluminum shell of a lithium battery, and has no residual adhesive after the PET protective film is peeled; the protection on the lithium battery pack when a new energy vehicle is driven is effectively realized.

The invention discloses a graphene composite nano-Fe3O4 radar wave absorption material and a preparation method thereof. The preparation method includes the following steps that divalent iron salt andtrivalent iron salt are dissolved in water and stirred to obtain an iron salt solution; a reduction-oxidation graphene solution is dispersed into an organic alcohol solvent and stirred to obtain dispersion liquid; the iron salt solution and the dispersion liquid are mixed, and a precipitating agent is added to obtain a mixed solution; the mixed solution is transferred to a reaction kettle for heating to obtain reaction products; the obtained reaction products are separated, washed and dried to obtain graphene composite nanometer Fe3O4; the graphene composite nanometer Fe3O4 is ground and fills the matrix to obtain the graphene composite nano-Fe3O4 radar wave absorption material. According to the technical scheme, the wave absorbing performance of the radar wave absorbing material can be effectively improved.

The invention discloses a smart home energy center control device and a control method thereof. The device comprises a total air switch, a power supply module, a master control module and branch protection control modules arranged on power supply branches. A zero-sequence current transformer and a voltage transformer are arranged onto a 220V output bus of the total air switch, and a voltage and current transformer is arranged on each of the power supply branches. An input end of the power supply module is connected with the 220V output bus of the total air switch, and an output end of the power supply module is connected with the master control module and the branch protection control modules separately. The control method includes the steps of connecting the device to an Internet cloud server, receiving query and control instructions forwarded by a user via the cloud server, and performing control and query on power consumption information and controlled electrical equipment. The smart home energy center control device and the control method thereof in the invention can improve the customer satisfaction requirement under the new situation, are suitable for smart home equipment control, and have the advantages of simple structure, simple operation and high work efficiency.

The invention relates to a method for preparing a PC-g-PMMA grafted copolymer by adopting an electron beam irradiation method. The method comprises the following steps of: carrying out a grafted reaction on a PC sample and an MMA monomer after the PC sample is subjected to the electron beam pre-irradiation under the conditions of a certain solvent and oxidation-reduction catalysts, carrying out suction filtration, washing and drying to obtain a product. The PC-g-PMMA grafted copolymer has excellent performances and can be used as a bulking agent of a PC / PMMA blending system. The electron beam irradiation grafted method adopted in an experiment has the characteristics of high efficiency, simple and convenient process, easy control and the like as well as favorable development prospect.

The invention discloses a mouse rapid control method and system in a multi-screen scene based on a sight line estimation and a computer readable medium. The method comprises the steps of image acquisition, image processing, coordinate position reading and mouse action control. The image processing comprises the steps of human face detection, facial feature point positioning, head posture estimation, three-dimensional sight line estimation, coordinate transformation and confidence coefficient threshold setting. According to the mouse rapid control method and system in a multi-screen scene based on sight line estimation and the computer readable medium, the problem of mouse following during large-screen or cross-multi-screen information browsing can be effectively solved, particularly, human-computer interaction is more convenient in a working scene of expanding a plurality of large screens, the mouse is controlled to rapidly move in a large range among the plurality of screens, and then, a hand can control the mouse to perform small-range fine control, and the mouse can be quickly, naturally and efficiently controlled among multiple screens through hand-eye matching.

The invention belongs to the field of inorganic porous materials, and discloses a layered ordered ultramicroporous material and a synthetic method thereof. The method comprises the steps: dissolving acomposite template in deionized water at a certain temperature, adding an inorganic base to adjust the pH, dropping a silicon source under stirring, moving into a hydrothermal reaction kettle, allowing to stand for crystallization at a certain temperature for a period of time, and washing and drying to obtain a layered ordered ultramicroporous silica molecular sieve. The composite template is a mixture of cetyl trimethyl ammonium bromide and dehydroabietylamine. The synthesis method disclosed by the invention achieves the synthesis of layered ordered ultramicroporous silica. The raw materialsused in a synthesis process are natural and non-toxic, the resources are renewable, the cost is low, the synthesis method is simple, the conditions are mild and easy to control, and the prepared layered ordered ultramicroporous silica has a highly ordered pore structure with a pore size of about 2.0 nm, and can be widely used in the fields of adsorbents, catalysts, and drug controlled release.

The invention discloses a continuous nanometer TiO2 surface treatment method. Nanometer TiO2 is obtained through technologies of freeze drying, silicon or aluminium coating, organosilane or long-chainfatty acid modification and the like. According to the continuous nanometer TiO2 surface treatment method, inorganic surface treatment and organic surface treatment of the nanometer TiO2 are organically combined, the continuous nanometer TiO2 surface treatment method has the characters that a technology process is short, operation is continuous and convenient, and control is easy; the nanometer TiO2 is suitable for industrial production; meanwhile, prepared nanometer TiO2 powder not only has good hydrophobicity, but also has excellent photostability, and the application fields of a product are further expanded.

The invention discloses a bismuth molybdate / titanium carbide heterojunction two-dimensional photocatalytic material as well as a preparation method and application thereof. The two-dimensional photocatalytic material includes titanium carbide nanosheets and layered bismuth molybdate supported on the titanium carbide nanosheets. The preparation method includes the following steps: preparing bulk titanium carbide; preparing the titanium carbide nanosheets by using dimethyl sulfoxide; and preparing the above two-dimensional photocatalytic material through a hydrothermal reaction. The two-dimensional photocatalytic material has the advantages of low costs, easy availability, low recombination efficiency of photoelectrons and holes, strong catalytic performance, good redox activity, and less harm to the environment, is a green and economic photocatalytic material, can be widely used to treat pollutants in the environment, and has higher use value and better application prospects; and the preparation method provided by the invention has the advantages of a simple process, convenient operation, low raw material costs, low energy consumption, short consumed time, mild easily controlled reaction conditions, greenness and environmental protection, and shows good application prospects in synthesis of functional nanomaterials.

The invention belongs to the technical field of phosphoric acid production in the inorganic chemical industry, and relates to a novel production method and equipment for producing polyphosphoric acid with wet process phosphoric acid. According to the method, a reverberatory furnace is mainly adopted innovatively, the equipment such as a burner nozzle, a polyphosphoric acid tank, a low polyphosphoric acid circulating pump, a fume extractor, a filler washing tower and a plurality of control valves is additionally arranged, and the wet process phosphoric acid is used as a raw material for concentrated polymerization production of the polyphosphoric acid. The reaction equipment is reliable and stable, and easy and convenient to operate and control, and solves the problem that scales easily deposit on tubes of a tubular heat exchanger in single-stage or multi-stage evaporation of the wet process phosphoric acid and are stubborn at home and abroad at present. Temperature control is moderate, and the phenomenon that a large number of acid particles are carried away due to local overheating and excessively high temperatures is avoided. No vacuum mode is required, and energy is saved. Two-stage product output is adopted, thereby facilitating the improvement on the production efficiency. Tail gas is recycled by a cleaning solution which then is used as a raw material, the product yield is increased, exhaust emission is reduced, and the environmental protection is facilitated.

The invention discloses an artificial inner gas stripping anaerobic reactor which comprises a water inlet, a water return pipe, a reactor shell, a gas collecting separating cover, a gas stripping pipe, a gas-liquid separator, a gas stripping fan, a biogas outlet and a water outlet and is characterized in that the gas stripping fan is positioned in the gas-liquid separator. The gas stripping fan is positioned in the gas-liquid separator, so that internally-circulating water quantity can be artificially controlled while the reactor runs steadily, and gas stripping can be realized by using ordinary fans while energy consumption of the fans is lowered.