36results about How to "Decentralized control" patented technology

Protection of documents printed in paper is provided by processes for detection, immediately and clearly, of different types of falsification, adulteration, inclusion and omission. A network accessible system is capable of detecting several fraud aspects. A “Remote Expertise Center” or a remote service data center accessible from and to any location in which there is a connection to the network, such as through the Internet provides customized protection and automatic verification of document pages. Documents pages are generated by the Remote Expertise Center and transmitted to remote printers, bypassing user operational system, using a specific driver of each printer, avoiding any access to protected document before effective printing. Documents include multiple types of security features, such that in the event that any of them is surpassed, the document will remain protected by the other types of security protection. Security features may include, among others, background images, computer readable code containing the printed content, identification information readable only with a predetermined optical filter, a copy alert that changes appearance when the printed document is copied, and personalized items to identify individuals responsible for non authorized document disclosure or leakage.

The invention discloses a modified grapheme / thermosetting resin composite material and a preparation method thereof. The preparation method comprises the following steps: adding a hydrochloric acid doped polyaniline modified carbon nano tube to oxidized grapheme aqueous dispersion, filtering, washing and drying the reactant to obtain the modified grapheme, uniformly mixing the modified grapheme with molten resin capable of thermosetting, and solidifying the mixture, so as to obtain the modified grapheme / thermosetting resin composite material. The modified grapheme provided has a micro capacitance structure; the hydrochloric acid doped polyaniline modified carbon nano tube is loaded on the surface of the grapheme through Pi to Pi conjugation; the excellent electrical property of the grapheme is maintained; the lamellas of the grapheme are prevented from mutually contacting; the obtained modified grapheme / thermosetting resin composite material has the advantages of high dielectric constant, low dielectric loss, and low percolation threshold, and can realize control on the dielectric property of the composite material by adjusting the variation of the content of the hydrochloric acid doped polyaniline modified carbon nano tube coated on the surface of the grapheme.

Protection of documents printed in paper is provided by processes for detection, immediately and clearly, of different types of falsification, adulteration, inclusion and omission. A network accessible system is capable of detecting several fraud aspects. A “Remote Expertise Center” or a remote service data center accessible from and to any location in which there is a connection to the network, such as through the Internet provides customized protection and automatic verification of document pages. Documents pages are generated by the Remote Expertise Center and transmitted to remote printers, bypassing user operational system, using a specific driver of each printer, avoiding any access to protected document before effective printing. Documents include multiple types of security features, such that in the event that any of them is surpassed, the document will remain protected by the other types of security protection. Security features may include, among others, background images, computer readable code containing the printed content, identification information readable only with a predetermined optical filter, a copy alert that changes appearance when the printed document is copied, and personalized items to identify individuals responsible for non authorized document disclosure or leakage.

The invention provides a hollow shaft, a rotor structure, a motor and an electric automobile. The hollow shaft comprises a shaft body, wherein the shaft body is provided with a shaft cavity with an opening in one end, and the shaft body is further provided with at least one first end oil throwing opening and at least one second end oil throwing opening; and a sleeve piece, which is arranged in theshaft cavity, and in which an oil distribution opening is formed, wherein the outer diameter of the sleeve piece is R2, the inner diameter of the shaft cavity is R1, R1 being larger than R2, and theoil distribution opening is formed between the at least one first end oil throwing opening and the at least one second end oil throwing opening. Flow distribution of oil throwing openings in the frontand rear ends is uniform, so that the cooling temperature difference of the front and rear ends of the hollow shaft is reduced; a plurality of independent oil guide structures are arranged, so that the axial flow velocity of cooling oil is increased, and the oil passing capacity of the hollow shaft is improved; the semi-closed hollow shaft sealing structure prevents the cooling oil from leaking,and meanwhile prevents pressure difference from being formed between the air pressure of the inner cavity and the outside of the oil throwing opening; and a rotor baffle plate is provided with a cooling flow channel with multiple layers of sub-flow channels, so that the cooling effect of the rotor body is improved.

An electronic device may include a display layer and other structures. A layer of liquid adhesive can be patterned on the structures. The liquid adhesive can be pre-solidified to increase viscidity of the liquid adhesive and partially shrink the liquid adhesive. The structure applied with the liquid adhesive can be laminated to another structure. During the lamination process, the pre-solidified liquid adhesive can be compressed between the laminated structures. Then the liquid adhesive can be completely solidified to adhere the structures. Thickening of the liquid adhesive during the pre-solidifying process facilitates dispersion of the adhesive. Shrinkage of the liquid adhesive facilitates the stress that generates visible artifact of stress introduction after solidification.

A correction circuit for generating a control signal for correcting a characteristic change of a first transistor includes a control signal adjusting section including a constant voltage reduction element for determining either one of a maximum voltage and a minimum voltage of the control signal and a second transistor for determining a characteristic of the control signal, a gate electrode of the second transistor receiving a prescribed voltage; and a resistor section including two types of resistor elements having resistance values of different temperature dependency characteristics from each other, the resistor elements being connected in series. The constant voltage reduction element, the second transistor, and the resistor section are connected in series between a supply terminal and a ground terminal. The control signal is output from a connection point between the control signal adjusting section and the resistor section.

The invention discloses an addition agent for zinc-copper composite mechanical plating, and belongs to the technical field of hardware surface treatment. The addition agent comprises, by mass percent, 3% to 6% of copper sulfate, 1% to 2% of sodium citrate, 1% to 2% of sodium bentonite, 0.3% to 0.5% of salicylic acid, 6% to 10% of stannous chloride, 10% to 15% of citric acid, 10% to 13% of polyethylene glycol 1000 and the balance water. The addition agent is in a water solution state, and is convenient to use, during adding use, the agent can be directly weighed and used, further expansion is not needed, during use, the adding amount is related with the surface area of a product to be subject to steel plating, components of the addition agent are common raw materials, the raw material source and purchasing are convenient, by the adoption of the addition agent, a zinc-copper composite mechanical coating can be prepared on the surface of the steel product, and dual effects of surface protection and decoration can be obtained.

Methods of access point control of client roaming are disclosed. The methods can include the access point periodically transmitting requests to a client, the access point monitoring reception of response to the requests, and the access point transmitting at least one disassociation frame if a response is not received by the access point from the client. An embodiment includes the disassociation frame being suppressed if the access point receives an association response from another access point that is intended for the client. Another embodiment includes the access point transmitting a disassociation frame if a response is received from the client, and a signal quality parameter of the response is below a threshold.

A data unit processing entity (4) is described, which has a decision part (41) for setting a forwarding address FA on the basis of an identifying address in a received data unit, by referring to decision data stored in a decision data memory (42). A management part (43) is provided, which is arranged to provide a network control function (51) with access to the decision data in the decision data memory (42), in order to change said decision data, independently of any access given to mobile nodes.

The invention discloses a shale polyamine film formation inhibitor as well as a preparation method thereof, and relates to the field of oilfield chemistry as well as drilling completion fluids. The method disclosed by the invention comprises the following steps: cleaning a reaction kettle clearly and drying, and adding amine compounds; then adding an epoxy compound at a low speed, and controlling the temperature of the reaction kettle not to exceed 80 DEG C; then adding a molecular weight modifier; intruding nitrogen for protection, rising the temperature to 75-85 DEG C, reacting for 2-3 hours, and monitoring the variation of the pH value in the reaction process; rising the temperature continuously to 85-95 DEG C when the pH value is 8-9, and reacting for 1-2 hours; reducing the temperature, and discharging, thereby obtaining a light yellow thick liquid, namely the shale polyamine film formation inhibitor. The inhibitor disclosed by the invention is simple in production technology, is wide in raw material source, is moderate in product price, is less in using amount, is wide in application range, is high in adsorption and shale inhibition, and is long in action time.

The invention provides a microcapsule composite wall material, and microcapsule essence, a preparation method and applications thereof, wherein the microcapsule composite wall material comprises Xanthan gum, chitosan oligosaccharide, deionized water and a preservative, wherein the Xanthan gum, the chitosan oligosaccharide, the deionized water and the preservative form a functional wall material protection outer layer, and a solubilizing agent and essence in the inner layer are wrapped with the outer layer to form microcapsule essence. According to the present invention, the destruction on theessence microcapsule during the equipment stirring in production can be avoided, and the oxidative deterioration of fragrant substances directly due to heat and light can be avoided so as to avoid thevolatilization of effective ingredients, effectively control the release of fragrant substances, and improve the stability of fragrance; and by adding chitosan oligosaccharide, the essence protectionwall film can be formed, and the obvious effects of moisturizing, body cell activating, skin roughness and aging preventing, harmful bacteria growth on the skin surface, antibacterial property, skindisease resistance, ultraviolet light absorbing and the like can be achieved.

The invention discloses synthesis of a V3S4@rGO catalyst and application thereof in the aspect of serving as a catalyst for producing hydrogen by electrocatalytic cracking of water. VS2 serves as a stratified material and attracts more and more attention of people in recent years. However, reports about V3S4 are extremely few. The V3S4@rGO catalyst is obtained through a hydrothermal-calcining two-step method; a mixed solution of a vanadium source and graphene oxide are subjected to a hydrothermal reaction to obtain a composite material of vanadium oxide and the graphene oxide; then, the compound of the vanadium oxide and sulphur are mixed and calcined in a tube furnace; and the final product, namely, the V3S4@rGO hydrogen producing electrocatalyst which has uniform chemical compositions ofmaterials and has high electrocatalytic activity and stability in a full PH electrolyte, is obtained by washing, drying and collecting.

The present invention discloses a fructus hippophae and black fungus health preserving paste and mainly relates to the field of convenient food. The health preserving paste includes the following components in weight percentage: 48%-58% of ultrafine fructus hippophae and black fungus powder, 18%-28% of black soybean meal, 10%-20% of Chinese wolfberry fruit powder, 3%-8% of red date powder, and 1.5%-2.5% of stevioside. The beneficial effects of the health preserving paste are that the health preserving paste is excellent in wettability, good in dispersibility, good in solubility, moderate in viscosity, and comfortable, delicate and mellow in taste, and the added black beans, Chinese wolfberry fruits, red dates and other nutrients are in reasonable proportions, so that the health care functions of the health preserving paste are expanded and improved, and the health preserving paste is a new-type nutritional and convenient food.

The invention provides a pH-responsive modified polyacrylamide oil displacement agent and a preparation method thereof. The oil displacement agent is composed of 10-85wt% of acrylamide, 10-40wt% of sodium acrylate, 5-35wt% of poly N, N-diethylamido ethyl methacrylate, 5-15wt% of acrylic polyethylene oxide-propylene oxide, auxiliary, initiator and water. The invention further provides a preparationmethod of the oil displacement agent. The oil displacement agent can effectively lower viscosity of crude oil during crude oil extraction, is highly responsive to acidity and alkalinity and can effectively increase crude oil recovery ratio.

A method for signaling and controlling in a power grid coupling a plurality of actuators for providing power signals is provided. At a first actuator, a voltage problem is detected, a communication signal is generated based on the detected voltage problem, and the generated communication signal is transmitted over the power grid. At a second actuator, the transmitted communication signal is received, a control action is generated based on the received communication signal and the generated control action is transmitted over the power grid towards the first actuator.

The invention provides a low-solid-content drilling fluid used for hydrocarbon bearing shaly sands and a preparation method of the low-solid-content drilling fluid. The drilling fluid is prepared from, by mass, 2-5% of sodium bentonite, 0.1-0.3% of modified asbestos, 0.5-0.8% of sulfonated bitumen, 0.1-0.3% of sodium carboxymethylcellulose, 0.1-0.3% of a basicity control agent, 0.7-1.0% of carboxymethyl starch ether, 0.2-0.4% of potassium polyacrylamide, 0.1-0.4% of glycidyl trimethyl ammonium chloride, 1-5% of a weighting agent and the balance water. The drilling fluid has the advantages of being low in solid content, low in density, low in fluid loss, high in inhibitive ability and good in rheological property. Dispersion of drilling cuttings can be effectively controlled, the density ofthe drilling fluid is conveniently controlled to be increased, the formation damage is small, the oil layer can be protected, and the drilling fluid is particularly suitable for the low-permeabilityhydrocarbon bearing shaly sands.

The invention discloses a biquaternary ammonium salt compound and application thereof in a solid-phase chemical cleaning agent and belongs to the field of petroleum drilling. The biquaternary ammonium salt compound provided by the invention has a structural formula represented by a general formula (I) shown in the description. The biquaternary ammonium salt compound provided by the invention can play a dual role in flocculating and inhibiting in the solid-phase chemical cleaning agent. The invention also provides intermediates for preparing the solid-phase chemical cleaning agent and the solid-phase chemical cleaning agent containing at least one of the aforementioned intermediates. The solid-phase chemical cleaning agent provided by the invention is good in drilling fluid inhibiting capacity and high in harmful solid phase removal efficiency, has little influence on the filtration loss and rheological property of drilling fluid in an effective dose range, can achieve low-solid-phase rapid well drilling and meets the needs of different water-base drilling fluid systems.

The invention belongs to the field of electrode materials and in particular relates to a positive electrode material of a lithium-sulfur battery as well as a preparation method and application of the positive electrode material of the lithium-sulfur battery. The positive electrode material of the lithium-sulfur battery is a barium sulfate sulfur-coated composite material; the sulfur positive electrode material is coated with barium sulfate so that the ionic conductivity of the positive electrode material is effectively improved; in a preparation process, the lithium-sulfur positive electrode material is prepared by utilizing a soft template method; high temperature and high pressure are not needed; in an emulsifying process, the composition of emulsion is adjusted and the size of particles can be controlled; a uniformly dispersed barium sulfate sulfur-coated structure is formed; the electrochemical performances of the lithium-sulfur battery are effectively improved.

The invention belongs to the technical field of water-soluble cationic compounds in petroleum drilling oilfield chemistry, and provides a modified cationic compound and a preparation method thereof, and a solid phase chemical cleaning agent for drilling fluids, wherein the modified cationic compound has a structure represented by a formula I, R is C1-C5 alkyl, X is halogen, t is an arbitrary integer selected from 0-6, and the solid phase chemical cleaning agent comprises an iron salt, an ammonium salt, a silicate and the modified cationic compound. According to the present invention, the solidphase chemical cleaning agent for drilling fluids is obtained by using the modified cationic compound, wherein the modified cationic compound has the structure represented by the formula I, and has double effects of flocculation and inhibition, such that the inhibition ability of drilling fluids and the drilling fluid solid phase removal efficiency can be improved so as to achieve low solid phaserapid drilling. The formula I is defined in the specification.

A correction circuit for generating a control signal to correct a characteristic change of a first transistor, comprising: a control signal adjustment section including a constant voltage reducing element for determining one of a maximum voltage and a minimum voltage of the control signal, and a second transistor for determining the characteristics of the control signal, the gate of the second transistor receiving a prescribed voltage; and a resistor portion including two types of resistor elements having temperature-dependent characteristics of resistance values ​​different from each other, the resistor The elements are connected in series. The constant voltage reducing element, the second transistor, and the resistor portion are connected in series between the power supply terminal and the ground terminal. The control signal is output from a connection point between the control signal adjustment section and the resistor section. The constant voltage reducing element includes a transistor. The drain of the transistor included in the voltage lowering element is connected to the source of the second transistor, and the drain of the second transistor is connected to one end of the resistor portion.

The invention discloses an addition agent for zinc-copper composite mechanical plating, and belongs to the technical field of hardware surface treatment. The addition agent comprises, by mass percent, 3% to 6% of copper sulfate, 1% to 2% of sodium citrate, 1% to 2% of sodium bentonite, 0.3% to 0.5% of salicylic acid, 6% to 10% of stannous chloride, 10% to 15% of citric acid, 10% to 13% of polyethylene glycol 1000 and the balance water. The addition agent is in a water solution state, and is convenient to use, during adding use, the agent can be directly weighed and used, further expansion is not needed, during use, the adding amount is related with the surface area of a product to be subject to steel plating, components of the addition agent are common raw materials, the raw material source and purchasing are convenient, by the adoption of the addition agent, a zinc-copper composite mechanical coating can be prepared on the surface of the steel product, and dual effects of surface protection and decoration can be obtained.

The name of the invention is automatic decontamination of complex areas. Mobile decontamination units and methods of using such units to decontaminate various areas, such as aircraft cabins, are provided. The mobile decontamination unit comprises at least one aerosol dispersing nozzle and at least one aerosol guiding fan. Nozzles disperse the disinfectant as an aerosol, and the fan directs the aerosol onto the surface being decontaminated. Aerosol dispersion parameters, such as nozzle and fan orientation, dispersion rate, fan speed, etc., are determined based on area characteristics. In particular, the orientation, temperature, humidity and / or other similar properties of the different surfaces may be taken into account. Some characteristics may be obtained by the mobile decontamination unit after it has been deployed in the area, such as using its sensors. Other characteristics such as zone layout may be preloaded to the mobile decontamination unit prior to its deployment. Dispersion parameters are determined to ensure thorough decontamination of surfaces in this area.

The invention discloses a wire of a 3D printing polylactic acid / conductive filler electromagnetic shielding composite material, a preparation method and application. The wire material provided by the invention is prepared from the following materials: 70-90 parts of polylactic acid, 10-30 parts of dextropolylactic acid and 0.5-1 part of acidized conductive filler. According to the wire disclosed by the invention, polylactic acid stereocomplex crystals are formed in situ in polylactic acid by adding the dextropolylactic acid, and the carbon nanotubes are further controlled to be uniformly dispersed in the polylactic acid by utilizing the inherent strong interaction between the polylactic acid and the dextropolylactic acid, so that the electromagnetic shielding performance of the composite material is ensured.

The invention provides a method for preparing a honeycomb lithium sulfur battery positive electrode material by a template method, wherein sulfur simple substance is obtained in a hollow silicon oxidemicrosphere, the silicon oxide microsphere is self-assembled on a monocrystalline silicon wafer as a template, a carbon layer is grown on the surface of the template, and the template is removed to obtain a honeycomb lithium sulfur battery positive electrode material. As that template, sulfur is load inside the silicon oxide, as that elemental sulfur is uniformly disper in the pores of the poroucarbon material after the porous carbon material is grown, the escape of the polysulfide formed after the reaction of sulfur atoms is restricted through the honeycomb-like pores of the porous carbon,and the volume expansion caused by the redox reaction of sulfur atoms can be eliminated, thereby overcoming the shortcomings of the existing lithium-sulfur battery positive electrode material carbon-Sulfur distribution is uneven and volume expansion is difficult to control, which improves the performance of lithium sulfur batteries.

The invention discloses a biquaternary ammonium salt compound and application thereof in a solid-phase chemical cleaning agent and belongs to the field of petroleum drilling. The biquaternary ammonium salt compound provided by the invention has a structural formula represented by a general formula (I) shown in the description. The biquaternary ammonium salt compound provided by the invention can play a dual role in flocculating and inhibiting in the solid-phase chemical cleaning agent. The invention also provides intermediates for preparing the solid-phase chemical cleaning agent and the solid-phase chemical cleaning agent containing at least one of the aforementioned intermediates. The solid-phase chemical cleaning agent provided by the invention is good in drilling fluid inhibiting capacity and high in harmful solid phase removal efficiency, has little influence on the filtration loss and rheological property of drilling fluid in an effective dose range, can achieve low-solid-phase rapid well drilling and meets the needs of different water-base drilling fluid systems.

A data unit processing entity (4) is described, which has a decision part (41) for setting a forwarding address FA on the basis of an identifying address in a received data unit, by referring to decision data stored in a decision data memory (42). A management part (43) is provided, which is arranged to provide a network control function (51) with access to the decision data in the decision data memory (42), in order to change said decision data, independently of any access given to mobile nodes.

The invention discloses a modified grapheme / thermosetting resin composite material and a preparation method thereof. The preparation method comprises the following steps: adding a hydrochloric acid doped polyaniline modified carbon nano tube to oxidized grapheme aqueous dispersion, filtering, washing and drying the reactant to obtain the modified grapheme, uniformly mixing the modified grapheme with molten resin capable of thermosetting, and solidifying the mixture, so as to obtain the modified grapheme / thermosetting resin composite material. The modified grapheme provided has a micro capacitance structure; the hydrochloric acid doped polyaniline modified carbon nano tube is loaded on the surface of the grapheme through Pi to Pi conjugation; the excellent electrical property of the grapheme is maintained; the lamellas of the grapheme are prevented from mutually contacting; the obtained modified grapheme / thermosetting resin composite material has the advantages of high dielectric constant, low dielectric loss, and low percolation threshold, and can realize control on the dielectric property of the composite material by adjusting the variation of the content of the hydrochloric acid doped polyaniline modified carbon nano tube coated on the surface of the grapheme.

The invention provides a pH-responsive modified polyacrylamide oil displacement agent and a preparation method thereof. The oil displacement agent is composed of 10-85wt% of acrylamide, 10-40wt% of sodium acrylate, 5-35wt% of poly N, N-diethylamido ethyl methacrylate, 5-15wt% of acrylic polyethylene oxide-propylene oxide, auxiliary, initiator and water. The invention further provides a preparationmethod of the oil displacement agent. The oil displacement agent can effectively lower viscosity of crude oil during crude oil extraction, is highly responsive to acidity and alkalinity and can effectively increase crude oil recovery ratio.

The invention relates to a freezing ablation catheter. The freezing ablation catheter comprises a conveying unit and a freezing unit. The conveying unit comprises a sheathing canal and a circulation loop which is arranged in the sheathing canal in the axial direction, and the freezing unit is arranged on the far-end portion of the sheathing canal. The freezing unit comprises a balloon and directional bending pieces, the far-end portion of the circulation loop is arranged in the balloon, the far end of the circulation loop is fixedly connected with the far end of the balloon, the directional bending pieces are connected to the far-end portion of the circulation loop in a sleeved mode, and the change of the shape of the balloon drives the directional bending pieces to bend so that the distance between the circulation loop and the inner wall of the balloon can be controlled. It can be avoided that a refrigerant is directly ejected in the balloon, the cooling rate and the freezing temperature of a freezing ablation area are effectively controlled, and the freezing performance of the freezing ablation catheter is improved.

The invention belongs to the field of chemical industrial pollution government, and discloses a processing material for chemical wastewater, a preparation method, a system, and a control method. The processing material comprises is prepared from the following materials: 6-8 parts of molecular sieves, 11-13 parts of sulfonated coal, 3-6 parts of polyferric sulfate, 8-11 parts of polyacrylamide, 3%of nitrobacteria wastewater, 9-14 parts of activated carbon, 2-7 parts of soy protein, 5-8 parts of attapulgite, 2-6 parts of sodium lignin sulfonate, 6-7 parts of sodium benzenesulfonate, 5-10 partsof maleic anhydride grafted polypropylene, 3-6 parts of nanometer particle inorganic material, 2-7 parts of bentonite and 3-8 parts of sodium sulfate. According to the processing material for chemicalwastewater, heavy metal ions in water can be effectively neutralized, water quality is purified, and meanwhile, the processing material has a good adsorption function for suspended solids. Water quality is purified, meanwhile, the nitrobacteria can be added to carry out biological purification, and excessive nitrides in the wastewater are decomposed.