37results about How to "Uncontrollable solution" patented technology

The invention discloses a novel biological pollution-resistant polyamide reverse osmosis composite membrane and a preparation method thereof. The preparation method comprises carrying out graft modification on a polyamide reverse osmosis membrane through atom transfer radical polymerization (ATRP), carrying out sterilization particle loading to obtain a reverse osmosis composite membrane with bioattachment resistance and antibacterial properties. The reverse osmosis composite membrane polymerization process is carried out at the room temperature and has high controllability. The reverse osmosis composite membrane can be conveniently and fast prepared, has stable performances, effectively improves use efficiency and a use life and reduces a seawater desalination cost.

A process based on the constant-force mode of atomic force microscope for preparing nano-class microstructure with controllable depth and large range of precise sizes features that 2D micro-motion bench and its control circuit is additionally used. The extension of scanning ceramic tube is driven by AFM driver circuit to make the probe tip to prick into the surface of a workpiece to be processed. The variation amount of scanning ceramic tube is detected by the real-time detection circuit and transmitted to single-chip computer. Said scanning ceramic tube is extended continuously in the relative direction until the processed depth setting is equal to the difference between the motion amount of said scanning ceramic tube in height direction and said deformation amount of cantilever.

The invention discloses a privilege control method in device management, and the method comprises: a terminal receives an operating command sent by a server, and the operating command contains a target node and a node mark; the server is judged on whether the privilege thereof reaches the configured privilege or not, when the privilege of the server reaches the configured privilege, and the server has the access control privilege of the target node corresponding to the node mark, the operating command is executed. The invention solves the problem that any server can create any type of management object at the terminal, resulting in uncontrollable management objects, and the system security is improved. The invention also discloses a system and a terminal of privilege control in device management.

The invention discloses a hardware architecture for flexibly allocating hard disk port numbers and an implementation method thereof, and the hardware architecture for flexibly allocating the hard diskport numbers comprises a server mainboard, a Raid card, an extended Expander card and a hard disk backboard, the hard disk backboard is connected with a plurality of hard disks; the server mainboardis connected with the hard disk backboard through a Raid card and an Expander card, and is used for allocating hard disk port numbers to the plurality of hard disks according to the logic phy stored in the Expander card; the Expander card comprises an Expander chip and a port physical layer phy write-in module, wherein the Expander chip comprises an erasable memory, the erasable memory stores a corresponding relationship between logic phy and physical phy, the physical phy corresponds to a plurality of hard disks, and the phy writing module is electrically connected with the erasable memory and is used for erasing the corresponding relationship between the logic phy and the physical phy in the erasable memory. According to the architecture, the problem that the port number allocated to thehard disk by the operating system is uncontrollable in the prior art can be solved.

The invention discloses a method for manufacturing a polycrystal perovskite thin film and a solar cell device. The method includes the steps that a mixed aqueous solution of polymer and salt is subject to wet process film formation on a substrate; and a film acts with metal halide steam mutually to be then subject to heat treatment, and the flat and compact polycrystal perovskite thin film is obtained. By means of the method, the flat and compact polycrystal perovskite thin film can be manufactured, the process is simple, crystallization is rapid, stability and the repetitive rate are high, harms to the environment are avoided, the degree of dependency to the environment is low, and the cost is low.

The invention relates to a three-dimensional nanometer pitch sample plate and a preparation method thereof, and belongs to the technical field of nanometer metering. The three-dimensional nanometer pitch sample plate is characterized in that Si (100) single-crystal structure substrate materials and high-purity film forming Cr materials (with the purity larger than 99%) are selected, a molecular beam epitaxy technology is adopted for achieving stratified structure growth of Cr atoms on a Si (100) substrate, a corresponding nanometer pitch structure is obtained through an etching technology, then, epitaxial growth is carried out again, and research of the pitch sample plate is achieved. The problems that an existing nanometer pitch sample plate preparation method is not easy to control, and the preparation method is poor in reproducibility are solved at the atomic level. In addition, due to the fact that the film forming atoms grow in a stratified structure mode, the etched surface interface structure can be preserved, the etched structure depth can also be kept, the influences of etching on the lateral pitch structure are eliminated, the problem that the Z-direction etching is uncontrollable is solved, nanoscale control of the research process over the sample plate three-dimensional pitch is achieved, and a feasible research method is provided for nanometer pitch standard sample plates in China.

The invention provides an existing pile foundation strengthening method based on grout control and relates to the field of pile foundation construction. Drill holes with a certain number are distributed in the periphery of an existing pile foundation, double pipes are downwards put into the drill holes, and water pipes and grout pipes are arranged in the double pipes. Water injection nozzles and grouting heads are arranged at the bottoms of the double pipes and communicate with corresponding supplying ends through pipelines correspondingly; the water injection nozzles first output high-pressure water flow towards the existing pile foundation to disturb the soil body, and a softened strengthening area is formed; and then the grouting heads conduct low-pressure grouting on the softened area,the grout flowing range is easy to control, the strengthened area is filled and compacted, strengthening is conducted section by section till the ground surface is reached, the above method is repeated to strengthen the drill one by one, and a ring-shaped sealed strengthening ring is formed on a pile body. The problem that the grout is uncontrollable in a traditional grouting method is solved, the effective rate of the grout is improved, the bearing force of the existing pile foundation is improved, pile top settling is reduced, and effective strengthening on the existing pile foundation is easily and conveniently achieved.

The invention discloses a microfluidic sample concentration device based on photo-thermal evaporation as well as an application method. The microfluidic sample concentration device based on the photo-thermal evaporation comprises a sample solution channel and is characterized in that a porous photo-thermal evaporation layer is arranged above the sample solution channel, a carrier gas channel is arranged above the porous photo-thermal evaporation layer, and a light source is arranged outside the porous photo-thermal evaporation layer; the porous photo-thermal evaporation layer is composed of ahydrophilic porous photo-thermal medium layer and a hydrophobic gas diffusion layer; the hydrophilic porous photo-thermal medium layer produces a capillary suction force on liquid, so that sample solution enters the hydrophilic porous photo-thermal medium layer, meanwhile, the hydrophilic porous photo-thermal medium layer absorbs incident light of the light source and produces photothermal effect,so that the sample solution absorbs heat and is evaporated to produce gas, and then evaporation and concentration on the sample solution are realized; and the hydrophobic gas diffusion layer is of ahydrophobic structure and is located at the upper part of the hydrophilic porous photo-thermal medium layer. The microfluidic sample concentration device disclosed by the invention can be widely applied to the fields of crystal purification, drug synthesis and food engineering.

The invention discloses a multilayer fluidized bed parsing device for conducting pneumatic material return through row tube type heat exchange and coupling of molten salt. The multilayer fluidized bed parsing device comprises a screw feeder (6), a multilayer fluidized bed (1), a slag cooler (8), a separator, a heat exchanger (10), a heat supply device, a water vapor generating unit and a spraying unit. The multilayer fluidized bed parsing device has the advantages of being high in heat transfer efficiency, high in plot ratio, even in heat exchange, controllable in stay time and the like and has an obvious advantage on the aspect of small granular activated coke compared with a traditional technology.

The invention provides a user value-added telecommunication service processing method and a user value-added telecommunication service processing apparatus in order to solve the problem that the process where value-added telecommunication service messages are sent to users by a value-added telecommunication service system is uncontrollable in the technology of the prior art. The method comprises the following steps: messages sent by an external network element are received by the value-added telecommunication service system; when the external network element is determined to be a non-accounting system and the received messages are determined to be the value-added telecommunication service messages, user state information of charging numbers corresponding to the value-added telecommunication service messages is queried by the value-added telecommunication service system; the value-added telecommunication service system determines whether to send the value-added telecommunication service messages according to queried user states; because whether to send to the value-added telecommunication service messages is determined according to the user states, the process of sending the value-added telecommunication service messages is controllable.

The invention discloses an entity labeling method in named entity recognition and intelligent equipment, and the method comprises the steps: inputting a target entity into a joint model after the target entity in a text is recognized; wherein the joint model comprises a semantic index model for similarity query and a word meaning classification model; and according to a constraint function, constraining the word meaning category output by the joint model and the entity link of the knowledge graph, and finally outputting the high-frequency word meaning category of the target entity. The problemthat the entity labeling result is uncontrollable can be solved, the deviation of the entity labeling result is reduced, and then the named entity recognition accuracy is improved.

The invention discloses an aircraft guidance control system. The system comprises a quasi-satellite guidance resolving module, a microprocessor module and a virtual target simulation module, wherein the quasi-satellite guidance resolving module is used for providing aircraft position and speed information at the current moment for the microprocessor module when a satellite is lost; the microprocessor module is used for calculating required overload, the required overload comprises the required laterodeviation overload for correcting the laterodeviation of the aircraft, and the required laterodeviation overload is obtained by multiplying a navigation ratio, the flight speed of the aircraft and the missile-to-target line-of-sight angular rate in the laterodeviation direction; and the virtualtarget simulation module is used for giving the position of a virtual target point in real time according to the flight time after starting control and then calculating the missile-to-target line-of-sight angular rate in the laterodeviation direction according to the position of the aircraft and the position of the virtual target point so as to obtain the required overload capable of correcting laterodeviation. Thereby, the aircraft is guided and controlled accordingly, and the aircraft flies towards the target under the condition of correcting laterodeviation.

The invention relates to a combined low voltage ride-through control system, a low voltage ride-through reactive power compensation method and a de-excitation control method, and belongs to the technical of wind power generation. Overcurrent occurs at the rotor side when the grid voltage has a drop fault, the output power of a grid-side converter is limited, and the accumulation of energy at the DC side will result in voltage rising at the DC side, which main damage DC-side capacitors and power devices. The system and the low voltage ride-through reactive power compensation method are combinedwith a DC-side unloading circuit by adopting the de-excitation control method. The de-excitation control method enhances the de-excitation control effect by adopting a three-step prediction method, not only solves the low voltage ride through problem of a doubly-fed wind power generation system when the grid breaks down, but also solves the problem of energy accumulation at the DC side, applies an STATCOM main circuit and solves the problem of reactive power demand of a doubly-fed induction motor in asynchronous operation.

The invention discloses a computer authentication device and system based on iris recognition. Data acquisition is carried out by using a CMOS lens module through an iris recognition device. analog-to-digital conversion is carried out through the MCU processing board; The iris recognition server side in the computer calls an algorithm tool upgraded based on discrete cosine transform for authentication and authorization, meanwhile, the iris recognition device is combined with the special USBKey for use, iris registration information is stored in the USBKey, and registration and identity authentication are also needed for login of the USBKey. And the double-insurance security mechanism reduces the risk of illegal login to the maximum extent.

The invention discloses a method for preparing a polycrystalline perovskite film and a solar cell device. In the method, a mixed aqueous solution of a polymer and a salt is wet-formed on a substrate, and then heat-treated after interacting with metal halide vapor to obtain Flat and dense polycrystalline perovskite films. The invention can prepare a dense and smooth polycrystalline perovskite film, has simple process, rapid crystallization, high stability and repetition rate, is harmless to the environment, has low dependence, and is low in cost.

The invention provides a building external facade assembly structure and a building external fa ade forming process. The building external facade assembly structure comprises two elastic lining platebodies, biomimetic material decorative surface layers are bonded to one sides of the elastic lining plate bodies, and the elastic lining plate bodies are bonded to each other and arranged on a rope ina sleeve mode through the biomimetic material decorative surface layers. According to the structure and the process, by arranging a PVC plate, the structure can be suitable for arc-shaped surface design of a building, smooth streamline is guaranteed, after a biological woven material layer is bonded to the PVC plate through a PVC adhesive, the whole structural strength is enhanced, the biologicalwoven material layer is not prone to breakage in the air, even if part of the biological woven material layer is broken, the biological woven material layer is attached to the PVC plate bodies through the adhesive, and the situation that the biological woven material layer flutters along with wind is avoided, so that the building attractiveness is improved, before the external facade is erected,the assembly structure of the preset face can be assembled in a workshop in advance, only the assembly structure needs to be installed on the rope on site, efficiency is high, and the high-altitude operation time of workers is shortened.

The invention proposes a building facade assembly structure and a building facade forming process, including two elastic lining boards, one side of the elastic lining board is bonded with a bio-imitative material decorative surface layer, the elastic The inner lining boards are bonded to each other, and the decorative surface layer of the bionic material is set on the rope. The structure is equipped with PVC boards, which can be applied to the curved surface design of the building to ensure a smooth streamline; after the biological woven material layer is bonded to the PVC board through the PVC adhesive, the strength of the entire structure is enhanced, and it is not easy to use in high altitudes. Fracture, even if there is a partial break, it will be bonded to the PVC board through adhesives, and there will be no fluttering with the wind, which will increase the aesthetics of the building; before erecting the facade, the assembly structure of the preset surface can be adjusted Assembled in the workshop, you only need to install the assembled structure on the rope when you arrive at the site, which is highly efficient and reduces the time for manual work at heights.

The invention discloses a power supply method, a power supply device, an outer machine and an inner machine of a multi-split air conditioning system. The method comprises the following steps that thepower failure of the inner machine is detected; and a first control instruction is sent to an inner machine adjacent to the inner machine subjected to the power failure, so that the adjacent inner machine supplies power to the inner machine subjected to the power failure. According to the method, the device, the outer machine and the inner machine, the problem that the loss of a long-distance communication power supply line is too large due to the fact that the outer machine supplies the power to the inner machine during the power failure of the inner machine can be effectively solved; the problem that an electronic expansion valve cannot be controlled due to the power failure of the inner machine can be effectively solved; and meanwhile, the control cost for supplying the power to the inner machine can be effectively reduced.

The embodiment of the invention discloses a data distribution method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving to-be-distributed request data, and obtaining data source information of the request data; determining a request hash key corresponding to the request data based on the data source information and a consistent hash algorithm; and based on the request hash key and a pre-established hash mapping relationship between each cluster node and each hash key, determining a target cluster node corresponding to the request hash key in each cluster node, and distributing the request data to the target cluster node. According to the technical scheme provided by the embodiment of the invention, the request data can be allocated through the data source information and the consistent Hash algorithm, the problem of uncontrollable data traffic is solved, cluster resources can be better utilized, and the data processing efficiency can be improved.

The invention discloses a distributed active and passive reciprocal transmission method assisted by an intelligent reflecting surface. The method comprises the following steps: grouping reflecting units of the intelligent reflecting surface; a grouped reflection phase is configured, the base station modulates active information into a symbol s by adopting M-system phase modulation or amplitude-phase modulation and transmits the symbol s out, and the intelligent reflecting surface modulates passive information into a passive user receiving antenna index m; the active user adopts a maximum likelihood detection algorithm to demodulate active information, and the passive user adopts an incoherent greedy detection algorithm to demodulate passive information; active transmission and passive transmission are carried out at the same time, the active transmission adopts phase or amplitude-phase modulation to pass through a base station, active information is transmitted to an active user every time, the passive transmission shares electromagnetic waves of the active transmission and utilizes multiple antenna indexes of a passive user, and passive information is transmitted to a passive user every time. According to the invention, the requirement of transmitting active and passive information to different receivers can be met.

The invention discloses a microfluidic sample concentration device based on photo-thermal evaporation as well as an application method. The microfluidic sample concentration device based on the photo-thermal evaporation comprises a sample solution channel and is characterized in that a porous photo-thermal evaporation layer is arranged above the sample solution channel, a carrier gas channel is arranged above the porous photo-thermal evaporation layer, and a light source is arranged outside the porous photo-thermal evaporation layer; the porous photo-thermal evaporation layer is composed of ahydrophilic porous photo-thermal medium layer and a hydrophobic gas diffusion layer; the hydrophilic porous photo-thermal medium layer produces a capillary suction force on liquid, so that sample solution enters the hydrophilic porous photo-thermal medium layer, meanwhile, the hydrophilic porous photo-thermal medium layer absorbs incident light of the light source and produces photothermal effect,so that the sample solution absorbs heat and is evaporated to produce gas, and then evaporation and concentration on the sample solution are realized; and the hydrophobic gas diffusion layer is of ahydrophobic structure and is located at the upper part of the hydrophilic porous photo-thermal medium layer. The microfluidic sample concentration device disclosed by the invention can be widely applied to the fields of crystal purification, drug synthesis and food engineering.

The invention discloses a management system for regional autonomy of a content distribution network server. The management efficiency of a large server cluster is improved, and the maintenance difficulty of a large server cluster is reduced. The technical scheme is that the management system comprises a central dispatch server and a plurality of regional autonomy clusters, wherein each regional autonomy cluster consists of a plurality of edge servers. The central dispatch server receives external input data to divide, dispatch and manage the regional autonomy clusters for the edge servers. The central dispatch server on the one hand receives network heartbeat return and deploying result feedback of all edge servers, and on the other hand distributes representative servers which are assigned to configure for each regional autonomy cluster.

A process based on the constant-force mode of atomic force microscope for preparing nano-class microstructure with controllable depth and large range of precise sizes features that 2D micro-motion bench and its control circuit is additionally used. The extension of scanning ceramic tube is driven by AFM driver circuit to make the probe tip to prick into the surface of a workpiece to be processed.The variation amount of scanning ceramic tube is detected by the real-time detection circuit and transmitted to single-chip computer. Said scanning ceramic tube is extended continuously in the relative direction until the processed depth setting is equal to the difference between the motion amount of said scanning ceramic tube in height direction and said deformation amount of cantilever.

The invention discloses a remote centralized system of aero-engine hydraulic product test equipment. Comprising a test equipment industrial control module used for executing test steps of an automatic process file; the centralized control system operation server is used for operation management of the system; the remote control module is used for compiling an automatic process file and sending a command for executing the automatic process file after logging in the centralized control system operation server; the remote scram button is used for realizing remote scram; the central switch is used for data interaction among the test equipment industrial control module, the centralized control system operation server and the remote control module; the sudden stop PLC master station is used for realizing automatic matching of the remote control module and the sudden stop button and sending a sudden stop instruction to the sudden stop PLC slave station; and the sudden stop PLC slave station is used for receiving the sudden stop instruction and sending the sudden stop instruction to the test equipment. According to the invention, centralized and standardized control of non-standard test equipment is realized, and potential safety hazards caused by network communication faults are avoided.

The invention provides a laboratory testing method for sound scattering characteristics of oil spilling under ice based on a sound-transparent floating body mold, and belongs to the field of under-ice oil spill disaster detection and underwater target sound scattering characteristic research. The laboratory testing method for sound scattering characteristics of oil spilling under ice based on the sound-transparent floating body mold is characterized by comprising the following steps: firstly, selecting a sound-transmitting and low-density material to construct a floating body mold, preparing a sea ice layer in the mold, inverting the floating body mold in a test water area, injecting oil from the lower part, and establishing a seawater-spilled oil-ice layer multi-layer medium; then designing a test water depth, and ensuring that the transmitted beam width is smaller than the multi-layer medium scale; and finally, carrying out a bottom-supported sound scattering characteristic test, and performing analyzing to obtain the sound scattering characteristic of the multilayer medium. The method has the beneficial effects that the floating body mold is constructed by utilizing the sound-transmitting and low-density material, and a seawater-spilled oil-ice layer multi-layer medium is prepared, so that the problem of uncontrollability of the ice layer and the oil layer in testing the high-frequency sound scattering characteristic of the under-ice spilled oil in a laboratory is solved, and the acoustic interference of the mold material is avoided.

The invention relates to a three-dimensional nanometer pitch sample plate and a preparation method thereof, and belongs to the technical field of nanometer metering. The three-dimensional nanometer pitch sample plate is characterized in that Si (100) single-crystal structure substrate materials and high-purity film forming Cr materials (with the purity larger than 99%) are selected, a molecular beam epitaxy technology is adopted for achieving stratified structure growth of Cr atoms on a Si (100) substrate, a corresponding nanometer pitch structure is obtained through an etching technology, then, epitaxial growth is carried out again, and research of the pitch sample plate is achieved. The problems that an existing nanometer pitch sample plate preparation method is not easy to control, and the preparation method is poor in reproducibility are solved at the atomic level. In addition, due to the fact that the film forming atoms grow in a stratified structure mode, the etched surface interface structure can be preserved, the etched structure depth can also be kept, the influences of etching on the lateral pitch structure are eliminated, the problem that the Z-direction etching is uncontrollable is solved, nanoscale control of the research process over the sample plate three-dimensional pitch is achieved, and a feasible research method is provided for nanometer pitch standard sample plates in China.

The invention belongs to the technical field of titanium nitride preparation, and particularly relates to a method for preparing a titanium nitride block with controllable composition. The method comprises the following steps of (1) preparing pure titanium powder and titanium nitride powder according to titanium nitride compositions; (2) uniformly mixing the two powders according to a certain proportion, and pressing the powders into blocks through a cold pressing process; and (3) placing the block obtained in the previous step in a vacuum non-consumable smelting furnace, controlling smeltingcurrent to melt the block, cooling and solidifying to obtain a titanium nitride block. The titanium nitride produced by the method is uniform in component, and the nitrogen content in the titanium nitride can be accurately controlled.

The invention discloses a method for automatically adjusting an aircraft under the condition of losing contact, comprising the following steps: when determining that interaction information fed back by a ground end is not received within a preset time, calculating out a controllable point nearest to the current location of an aircraft and a route to the controllable point; and making the aircraft fly to the nearest controllable point according to the route, wherein the controllable point is a place of which the TD-LTE signal strength is greater than a preset threshold. The invention further discloses a device for implementing the method and an aircraft.

The invention provides a motor operation monitoring method. The motor operation monitoring method comprises the following steps: a signal acquisition step: acquiring a detection signal, wherein the detection signal comprises a temperature detection signal, a position detection signal and an electrical parameter detection signal; a temperature judging step; a position judging step; an electrical parameter judging step; and a displacement judging step: acquiring a displacement value signal according to the position detection signal. Correspondingly, the invention further provides a motor operation monitoring system and a motor operation monitoring device. According to the motor operation monitoring method provided by the invention, a microcomputer control circuit is adopted, software and hardware are combined, and a motor operation state and an allowable operation position interval are judged, so that severe damage to other associated components caused by the operation of the motor in anover-limit range is prevented.

The invention discloses thermal desorption tube ageing equipment. The thermal desorption tube ageing equipment comprises a multi-channel air distributing device and a tubular heating device, wherein the heating device comprises a heat tube and a plurality of vertical heating tubes of which one ends are sealed; the heating tubes are arrayed annularly; the heat tube is placed in the annular array; a lower end plate and an upper end plate are respectively arranged at two ends of the heating tubes; through holes are formed in positions, which correspond to opening ends of the heating tubes, of the upper end plate; the opening ends of the heating tubes are embedded in the through holes; the heating tubes are clamped between the lower end plate and the upper end plate; one end of the heat tube is fixed on the lower end plate; an insulating layer shell is arranged between the lower end plate and the upper end plate; a connecting tube is fixed on the upper side of the upper end plate; an exhaust hole is formed in the connecting tube; the air distributing device is inserted in the connecting tube of the heating device; and the lower side of a fixing block is opposite to the upper end plate. By the air distributing device, a plurality of thermal desorption tubes can be fixed at a time, meanwhile, heating ageing is carried out, and the problems of low efficiency, troublesomeness in operation, occupation of thermal desorption, pollution of thermal desorption gas chromatography and high maintenance cost are solved.