260results about How to "Lower usage limit" patented technology

The present invention provides a lightweight constant velocity coupling that does not require grease lubrication. The pivot part (11) is assembled in the outer wheel (1), and the outer wheel (1) has a hexagonal hollow hole surrounded by 6 flat surfaces (2) parallel to the axis, and the pivot part (11 ), a first spherical surface (12a) and a second spherical surface (12b) are formed along the circumferential direction, and the first spherical surface (12a) is biased from the central position of the flat surface (2) in the circumferential direction to the circumferential direction The second spherical surface ( 12 b ) is in contact with the flat surface at a position offset from the central position to the other side in the circumferential direction. Since the outer ring 1 and the pivot member (11) are molded of synthetic resin, grease lubrication is not required, and the weight of the constant velocity coupling can be reduced.

The invention provides a multi-screen interactive method and a multi-screen interactive device. The method comprises the following steps of setting that a wireless fidelity (WIFI) module of multi-screen interactive equipment works in a parallel working mode; starting a point-to-point connection working mode of the WIFI module; setting that the WIFI module works in a group owner working mode; allowing the multi-screen interactive equipment to connect with WIFI of other equipment through the WIFI module; allowing the multi-screen interactive equipment to receive multimedia data through the WIFI module and output the received multimedia data to a display terminal. The device is used for implementing the multi-screen interactive method on the multi-screen interactive equipment. According to the method and the device, the multi-screen interactive equipment can be used for performing multi-screen interaction with multiple different WIFI equipment at low cost.

The invention discloses a printer nozzle, a 3D printer and a forming method. The printer nozzle is used for the 3D printer, and comprises a charging barrel, a screw rod and a hopper. A part of the screw rod is accommodated in the charging barrel. The screw rod is arranged rotatablely relative to the charging barrel. The hopper is arranged in the charging barrel, is communicated with the charging barrel, and is provided with a feeding opening used for feeding. The printer nozzle can be used for processing printing materials of different shapes, so that the printing materials are not limited to a wire material or a strip material, the limitation to material use is overcome, the requirements on materials are reduced, the cost of processing the materials into wires or strips is reduced, the 3D printing cost is reduced.

The invention provides a method for performing electric line patrolling based on an onboard laser radar. The method comprises the following steps: (1) acquiring real point cloud data through an onboard laser radar system of an unmanned aerial vehicle, providing data basis for monitoring personnel of a power transmission line, and processing the point cloud data; step (2) performing distance measurement and area measurement on any point of the line based on a three-dimensional measurement analysis module, thereby directly and precisely measuring the coordinate and elevation of each point of thepower transmission line, space distance between any two points, and any point elevation; step (3) dividing point cloud data into ground surface point cloud, power transmission body point cloud and ground object point cloud in corridor based on filter processing and point cloud classification on the laser point cloud by a filter and ground object classification module. The method provided by the invention has the advantage of quickly acquiring high-precision laser point cloud and high-resolution digital image, whether the route selection design of a newly established line, or the dangerous point line patrolling checking, line capital management and various specialty analysis potentials on the established line.

A wafer and the manufacturing and reclaiming methods thereof are disclosed. The wafer includes a semiconductor substrate and a protective layer formed on the surface of the semiconductor substrate. The reclaiming method of the wafer includes providing a wafer having a semiconductor substrate, a protective layer formed on the semiconductor substrate, and a polysilicon layer formed on the protective layer; and removing the polysilicon layer. The wafer and the reclaiming method of the wafer can prevent the substrate of the wafer from being destroyed during the reclaiming process and increase the reclaiming rate of the wafer.

The invention relates to a wireless remote LED display screen video service website, for realizing the control of single host on a plurality of display screens, which can process user management and image process on a server, to provide video image resource on any terminal of internet, to control the LED display screen of user, and transmit image process concentrated on the server, therefore, user can transmit video to LED display screen to display at any time, any place and any network method. The invention relates to a wireless remote LED display screen control website system, wherein, user terminal via an internet is connected with a server website, server via a wireless network sender and a wireless network is connected with a LED display screen, user terminal via the server website processes video treatment and browse, or processes document management, on the LED display screen.

The invention discloses a weed control compound and a preparation method thereof. The weed control compound is mainly composed of conidium of Curvularia fungus strain QZ-2000 with preservation number CGMCC NO.0640 and a chemical herbicide, wherein the concentration of the conidium is 1-10g / L, and the concentration of the chemical herbicide is 1 / 20-1 / 3 of a conventional dosage. The invention adopts that the conidium is compounded with the chemical herbicide; on one hand, conidium dosage is lowered, biological prevention and cure cost is lowered, and the chemical herbicide performs the synergy when compound compared with the situation that only spore is adopted; on the other hand, lowers pollution of chemical herbicide is lowered.

The invention discloses a cradle control method, an apparatus and a system. The method comprises the steps of building a communication connection with multiple remote controlled apparatuses. When a remote control signal from a remote control apparatus is received, if the remote control signal satisfies a control condition, the control data in the remote control signal is used to control the cradle. The invention also provides a cradle control apparatus and system. The system can be used to control a single cradle with multiple remote control apparatuses.

The invention discloses an energy consumption-oriented cloud workflow scheduling optimization method. The method comprises the following steps: (1) establishing energy consumption-oriented cloud workflow process model and resource model; (2) calculating a task priority; (3) taking out a task t with highest priority from a task set T, finding out a virtual machine set VMt capable of executing the task t, and calculating energy consumption for distributing the task t to each virtual machine in the VMt and completing all distributed tasks; (4) finding out a vm with minimal energy consumption, if only one vm has the minimal energy consumption, distributing the task t to the vm, and if a plurality of vms have the minimal energy consumption, distributing the task t to the vm with characteristics that the vm has the minimal energy consumption and a host in which the vm is located has highest performance per watt; deleting the task t from the task set T, and if the task set T is not null, going to the step (3), or otherwise, going to the step (5); and (5) outputting a workflow scheduling scheme. According to the scheduling optimization method provided by the invention, an energy consumption factor is considered, so that the energy consumption for task processing by the host is effectively reduced while workflow execution time efficiency is kept.

The invention relates to a preparation method of an organic macromolecule polymer coating oil-water separating net, which comprises the following steps: 1)mixing a polymerization monomer and an initiator in proportion and stirring, injecting a mixed liquor into a reactor equipped with a template under negative pressure condition, immersing the template for 1 hour, polymerizing for 24 hours at temperature of 80 DEG C, after a polymerization reaction is stopped, peeling a homopolymer on surface of the template, removing the template, fully grinding the blocked micro nano polyhedral compound to obtain the powder, adding into a dispersion liquid, wherein the solid masses concentration percentage is 0.5-20% of suspending liquid; 2)performing ultrasonic cleaning on the netted material and drying under air, immersing an adhesive solution and then taking out, after a part of the adhesive is solidified, and employing a spray process for coating the suspending liquid on the net so as to form the netted material capable of separating oil and water. The preparation method reduces usage restriction of the oil-water separating net membranes, and has rapid and stable oil-water separating effect.

Embodiments of the present invention provide a method for reclaiming and reusing a wafer. In one embodiment, a method for reclaiming a wafer comprises providing a used, nonproductive wafer having a semiconductor substrate and a polysilicon layer formed on the semiconductor substrate; oxidizing a first part of the polysilicon layer to form a first oxide layer; removing the first oxide layer; and oxidizing a second part of the polysilicon layer to form a second oxide layer on the used wafer which is to be used as a reclaimed wafer. The nonproductive wafer is used to improve the quality of a deposition process of the polysilicon layer on one or more productive wafers.

The invention provides a system and a method for power line inspection. The system comprises a laser radar system mounted on an unmanned aerial vehicle. Real point cloud data is obtained and processedby the laser radar system mounted on unmanned aerial vehicle so as to provide a data foundation for power line monitoring personnel. The system further comprises a three-dimensional measurement and analysis module. The three-dimensional measurement and analysis module is used for realizing distance measurement and area measurement of any point on the line; measuring coordinate and elevation of each point of the power line, spatial distance between any two points and elevation of any point directly and accurately; and measuring interphase distance of power lines accurately, so as to provide aprecise scale for the manufacturing and mounting of spacer. According to the system and the method for power line inspection, the invention has the advantages that the high-precision laser point cloudand the high-resolution digital image can be rapidly acquired, the operation mode and technical advantages that are not possessed by the traditional mapping approaches are brought to whether the design selecting of the trend of the to-be-built line or the dangerous point inspection of the existing line, line asset management and various professional analysis.

The present invention provides a DEF circuit which is used in a semiconductor storing device and an initiating method thereof. In the initiating method of DFE circuit in the semiconductor storing device which has discrete data transmission, the DFE circuit can be used for responding to the level of prior data and changing a sampling reference level and sampling the transmission data. The method comprises the steps of terminating a transmitted data channel with transmitted data at a preset position for terminating the level, and controlling the sampling starting time point of transmitted data as the time point which is prior to the transmission time point of transmitted data for a preset time. Furthermore, the data initialization can be executed based on the initial data which is obtained at the transmission starting time point through the pre-sampling of data channel thereby obtaining the initialization of DFE circuit and compensating the feedback delay.

The invention provides a preparation method of an inorganic substance coating oil-water separation mesh; the method comprises the steps: injecting a silica sol into a reactor with a mould plate under a negative pressure condition and soaking the mould plate for 2h; then sealing the reactor, placing the reactor into a thermostat, reacting for 12h at 60 DEG C and removing the mould plate to obtain a solid block-shaped micro-nano composite polyhedron; drying the block-shaped micro-nano composite polyhedron, sufficiently grinding the polyhedron into powder, pouring the powder into the reactor with dispersing acetone solution, adding a low-surface-energy silane coupling agent for modification, reacting for 12h and then obtaining modified micro-nano composite polyhedron turbid liquid; enabling the mass concentration percentage of the solid in the turbid liquid to be 0.5-20% by volatilizing acetone or adding acetone again. Not only crude oil, diesel oil, gasoline oil and water-insoluble oily liquid can be separated, but ester type organic oily solvents having certain solubility with water can be separated.

The invention provides an infectious disease dynamics model based on a machine learning algorithm and an analysis method. The method comprises the steps: S1, building an SEIR model, and carrying out classification on crowds in a target region according to a virus infection state, the crowds including susceptible crowds, latent crowds, infection confirmation crowds and rehabilitation crowds; S2, according to a preset propagation process, fitting an infection probability, and simulating a virus infection process; and S3, upgrading and optimizing the constructed SEIR model, including: introducingvirus characteristic analysis, and correcting the virus infection process; introducing human intervention factors, and simulating an inter-group infection process; and obtaining a corrected model, generating propagation trend data by using the corrected model, and outputting an infectious disease related population quantity situation curve.

The invention discloses a method for producing video added watermarks for Android equipment. The method includes the following steps of S1, performing video encoding analysis on original video streams of the Android equipment; S2, converting universal RBG color space encoding into a YUV (luma and chroma) format of original video stream encoding; S3, performing local time calibration; S4, performing real-time adding of user-defined watermarks; S5, performing real-time adding of timestamp; S6, performing video calibration. The method has the advantages of less use restrictions, most of the Android platform equipment with cameras is supported, any user-defined watermark images without exceeding the video size can be added in real time in recording, video adding can be performed by the aid of a CPU (central processing unit) and a GPU (graphic processing unit of intelligent equipment, dependence on special video coder chips in traditional recording equipment is avoided, time of current time zone is acquired accurately under networking and timestamp watermarks can be accurately added, calibration is performed for the videos, and situations that data is tampered and error occurs in transmission are prevented.

The invention relates to a geological disaster prevention and control system and method for preventing flood and debris flow, and belongs to the technical field of geological disaster prevention and control. The geological disaster prevention and control system comprises a separation system, an energy dissipation system, a silt parking and desilting system and a diversion canal; the separation system comprises more than one stone retaining ditch and a water retaining gate; the energy dissipation system comprises a speed reduction slot, an anti-climbing baffle, an anti-impact baffle and a siltseparation passage; and the silt parking and desilting system comprises a silt parking place, a silt inlet, a flume, a silt discharge gate and a silt discharge passage. According to the invention, thebreakout characteristics and provenance properties of debris flow and flood are sufficiently considered; by arranging the separation system, the energy dissipation system, the silt parking and desilting system and the diversion canal, the debris flow is subjected to energy dissipation; if flow and an impact force of the debris flow or the flood are excessive, multiple stages of geological disaster prevention and control systems for preventing the flood and the debris flow can be arranged along the outside of a riverway or a cheuch so as to implement staged energy dissipation and decrement ofthe debris flow, carry out staged component control on the debris flow disaster and implement geological disaster prevention and control on the flood and the debris flow.

The invention discloses a multi-functional foam soap dispenser. The multi-functional foam soap dispenser comprises a shell with a soap liquid outlet. A mixing and diluting device, a foaming device, a driving device, a raw material cavity and a water cavity are arranged in the shell. The mixing and diluting device is provided with a feeding port communicated to the raw material cavity, a water inlet communicated with a water outlet of the water cavity and a discharge port communicated with an inlet of the foaming device. The soap liquid outlet is connected with the foaming device. The driving device is connected with the mixing and diluting device and the foaming device and serves as a power source for the mixing dilution device and the foaming device.The multi-functional foam soap dispenser has following beneficial effects: the mixing and diluting device is used for mixing and diluting pasty or viscous soap liquid raw material and water; after diluting the above at the proper concentration, bubbles are made and liquid is discharged in the foaming device so that soap liquid raw material at the high concentration and liquid discharge are achieved and use restriction is reduced so that the multi-functional foam soap dispenser is very suitable for a human body to use; in addition, the mixing and diluting device and the foaming device are both driven by the set of driving devices so that occupied space of the soap dispenser is greatly decreased and the soap dispenser is made more compact; and the multi-functional foam soap dispenser is applied to generation of soap liquid.

The invention discloses an RFID sensing tag system for monitoring storage device status. The system comprises an RFID sensing tag, a sensing tag receiver and a computer, wherein the RFID sensing tag comprises a magnetic induction sensor, a radio frequency chip, a micro control unit and a power supply, the radio frequency chip is used for sending and / or receiving wireless signals, the power supply is used for supplying power to a circuit, the magnetic induction sensor, the radio frequency chip and the power supply are respectively connected with the micro control unit, and an opening position on a storage device, which corresponds to the magnetic induction sensor, is coated with magnetic materials or a magnet is embedded in the opening position. By the aid of the system, real-time monitoring of the storage status of the storage device can be achieved, and the magnetic induction sensor is used for detecting the status of the storage device, so that the RFID sensing tag of the system can be used repeatedly, the system is very environment-friendly, and real-time monitoring can be achieved easily. The system is less in usage limit, wide in application range and applicable to various storage environments and various storage devices.

The invention discloses a non-equilibrium plasma generator and a granular powder surface modification treatment system. The non-equilibrium plasma generator comprises a cavity body, a shielding mesh and a high voltage electrode unit and a low voltage electrode which are both arranged in the cavity body, wherein the high voltage electrode unit is arranged on the lower surface of a high voltage electrode insulation cover plate, and comprises high voltage line electrodes in the distribution of a plurality of uniform arrays, and first through holes in the distribution of a plurality of uniform arrays are arranged on the high voltage electrode insulation cover plate; one end of each high voltage line electrode is fixed to one end of a high voltage electrode down-lead; the other end of the high voltage line electrode is fixed by a high voltage electrode fixing bolt, and the other end of the high voltage electrode down-lead is led out through the first through hole; all the high voltage electrode down-leads are connected and then used as the impulse high voltage input end of the non-equilibrium plasma generator. The non-equilibrium plasma generator and the granular powder surface modification treatment system adopt high voltage nanosecond repeat frequency impulse to directly drive non-equilibrium plasmas in the air under the atmospheric pressure, the discharge peak current density is larger, the efficiency of generating active particles is better, and the non equilibrium of plasmas is higher.

The invention discloses a portable integrated inflatable antenna comprising an inflation air bag and a paraboloid antenna body. The bottom of the inflation air bag is provided with a tray, a feed source is arranged on the top of the inner surface of the inflation air bag through a support, the bottom of the inside of the tray is provided with inflation pressure measuring equipment and a set of batteries, the bottom of the tray is provided with a cardan joint composed of a cylindrical head and a rotary cover, and the cylindrical head penetrates through a ball head connecting rod and a fixing rod. The feed source is fixed on the top of the support, a signal receiving face is towards the paraboloid antenna body and located on a focus of the paraboloid antenna body, a signal line of the feed source is connected with a through-the-wall electrical connector arranged on the top of the inflation air bag, and the signal line is connected with an external signal transceiver through the through-the-wall electrical connector. By means of the modularized and integrated design, integrated installation and use of the inflatable antenna are achieved, influences of severe weather and geographical environment conditions on work of the antenna are overcome, and the antenna has the advantages of being compact in structure, low in weight, long in service life, simple, fast and convenient to operate, good in portability and the like.

The invention provides a wheel-leg dual-purpose shape shifting robot. The wheel-leg dual-purpose shape shifting robot main body comprises a machine body, legs and shape shifting systems thereof as well as wheel parts and shape shifting systems thereof, wherein the machine body of the robot is shaped like a hemisphere with flat bottom; a machine body interior platform is arranged in the machine body; the area of a machine top cover is larger than that of the bottom surface; six retractable robot legs with six structures are arranged in the machine body; when the legs are in an expanded state, the robot can walk; when the legs are retracted and the front ends of the legs are buckled in recesses of a shell, the side surface of the whole shell of the robot is a smooth spherical surface with no edge; a landing gear and a driving wheel are arranged at the bottom of the machine body; when the legs of the robot are retracted, the driving wheel is in contact with the ground to move forward and backward. The wheel-leg dual-purpose shape shifting robot provided by the invention can adapt to the needs of different environments and has the advantages of smaller use restriction and convenience for carrying; as the leg shape shifting systems are driven by a rotary propeller, the wheel-leg dual-purpose shape shifting robot provided by the invention is more efficient and fast; through double-loop design of the wheel part shape shifting systems, the turning radius of the robot during turning in a narrow and small space is greatly decreased.

The present invention relates to an equipment fo r treating cooking fume, abrnormal smell and other farmful substances and its method. One end of ventilation pipe is communicated with extractor fan near to the cooking stove, its another end is connected with at least one ring reaction chamber with hollow cavity, and the exterior of cooking stove burner is covered with said reaction chamber with at least one outlet. In the interior of the reaction chamber the adsorbing agent, catalyst and filtering screen can be placed. The extractor fan can be used for collecting fume, air, abnormal smell gas and other harmful substances mixture, and the collected mixture is passed through the ventilation pipe, preheated and fed into the reaction chamber, the harmful substance can be oxidated into carbon dioxide and water, or firstly decomposed, then oxidated, and can be discharged into exterior or collected for make secondary treatment.

The invention belongs to the technical field of cosmetics and particularly relates to an aseptic filling apparatus for facial masks and a mask production method thereof; the aseptic filling apparatus for facial masks comprises a high-temperature drying box, a high-temperature high-pressure sterilizing tank, a delivery pipeline suitable for high-temperature steam sterilization, a high-temperature steam sterilization filling machine, and a hundred-level filling facility. The sterile filling apparatus for facial masks can provide good sterilization for facial masks, adding a preservative to facial masks is not required, and asepsis of the facial masks can be guaranteed.

The invention relates to a method for generating codebooks under relevant channels in a wireless communication system, and belongs to the technical field of wireless communication. In the method, a base station and users use two same initial codebooks, one initial codebook is composed of conventional DFT code words, and the other initial codebook is composed of random vectors. Each user calculates the relevant matrix rank information of an own channel and feeds the matrix rank information back to the base station; and the base station and the users independently generate new two-stage target codebooks based on weighing DFT code words by the same algorithm by utilizing the initial codebooks according to the rank information. The weighing DFT code word-based codebooks designed by the method have a flexible structure of the two-stage target codebooks, improve the quantified accuracy of the channels, and can be adaptively applied to the relevant condition of different channels; and the existing rank feedback information in the conventional standard is utilized fully without causing the expense of an additional system feedback link, so the weighing DFT code word-based codebooks are compatible with the conventional system, and can be applied to the future wireless communication system conveniently.

The invention provides a microchannel and a manufacture method thereof. The manufacture method of the microchannel comprises the following step: folding a plane development structure to obtain a microchannel, wherein the cross section of the microchannel is a regular polygon of which the number of sides is N, and the plane development structure comprises N substructures of which the cross sections are isosceles trapezoids. According to the manufacture method of the microchannel, which is provided by the invention, the obtained cross section shape of the microchannel can be polygonal such as triangular, quadrangular, pentagonal or hexagonal, so that the geometrical shape is richer; and the method can be used for carrying out multiple times or multiple types of local surface modification or local surface processing on the inner wall of the microchannel, i.e., the upper surface of the plane development structure, so that different surface pattern designs can be carried out on all surfaces of the inner wall of the microchannel, then the plane development structure can be folded and closed to form a polygonal microchannel of which the inner wall has three-dimensional patterning modification, and then the design of the microchannel which has a three-dimensional complex inner wall shape can be realized.

The invention relates to a shape memory polyurethane material with high-temperature restorability, which is characterized in that irradiation-activated carbon fibers are added as a reinforcer to synthesize the polyurethane shape memory material with high-temperature restorability in situ. The synthesis method comprises the following steps: (1) activating treatment of carbon fibers: activating the carbon fibers to be activated at room temperature under the irradiation of radioactive Co rays; (2) synthesis and purification treatment of hexanediol polyadipate; and (3) in-situ synthesis of shape memory polyurethane: firstly synthesizing a polyurethane prepolymer, then adding the activated carbon fibers into the prepolymer to continue the reaction, and adding a chain extender for further polymerization, thereby forming the polyurethane with shape memory function. The method can overcome the operating restrictions caused by lower glass transition temperature in the common shape memory polyurethane material, well solves the problem of poor mechanical properties, enhances the tensile strength of the shape memory polyurethane material, and widens the application range of the material.

The invention relates to the field of fiber preparation and in particular relates to a preparation technology of ultraviolet-ageing-resisting PBO (Poly-p-phenylene Benzobisoxazole) fibers with excellent mechanical properties including ultrahigh elasticity, high modulus ratio and the like. The preparation technology comprises the following steps: firstly, activating surfaces of the PBO fibers by utilizing an acid etching modifying solution and etching the surfaces to form relatively shallow grooves and fine lines; in a process of dropwise adding a weak alkaline solution to neutralize, deepeningthe relatively shallow grooves and fine lines; in a reaction process of the PBO fibers with cracks and a carbon-based suspension solution, gradually filling oxidized graphite and fine aluminum powderinto the cracks of the PBO fibers; in heat treatment in vacuum or a protection atmosphere, reducing the oxidized graphite into expanded graphite through aluminum; combining a common effect of the heat treatment to cause breaking at weak parts of the original PBO fibers with the cracks; connecting broken parts through the expanded graphite and filling; then carrying out ultraviolet-resisting modification and covering the surfaces of the fibers with one layer of uniform ultraviolet-ageing-resisting coating, so as to absorb ultraviolet light and reduce ageing, caused by the ultraviolet light, ona PBO fiber matrix.

The embodiment of the invention provides a charging pile billing method and device based on a blockchain. The method is applied to the blockchain. Composed nodes of the blockchain comprise a chargingpipe, a trading platform, an operator node and a charging vehicle which are operated by multiple operators, wherein the charging vehicle uses the charging pipe to charge, and the paid amount is storedon the trading platform. The method comprises the steps that the operator node receives a block broadcasted in the blockchain, and the block comprises an identification of the charging pipe and the billing amount recorded by the charging pipe; the operator node determines that the charging pile is a target charging pipe based on the identification of the charging pipe; and the operator node acquires the corresponding amount from the trading platform based on the billing amount in the block. The charging pile billing method and device based on the blockchain have the advantages that the service restrictions of the charging pile can be reduced, and the user experience is improved.