40results about How to "Reduce technical difficulties" patented technology

The invention provides a magnetic element, a memory system and a write operation method thereof. The magnetic element comprises a magnetic fixation layer, a non-magnetic isolation layer, a magnetic free layer and a cover layer. The non-magnetic isolation layer is arranged between the magnetic fixation layer and the magnetic free layer. The cover layer connects the magnetic free layer and an external semiconductor transistor circuit. The magnetic free layer has demagnetizing energy perpendicular to the membrane plane direction and anisotropy energy perpendicular to anisotropy. The anisotropy energy perpendicular to anisotropy is lower than the demagnetizing energy perpendicular to the membrane plane direction. When the write current flows through the magnetic element, the magnetic free layer can be switched between parallel and anti-parallel magnetic states in the plane direction to achieve the purpose of magnetic storage under a spin torque transmission effect.

The invention discloses a game configuration push method based on computer performance evaluation. Computer hardware evaluation is implemented by regular means without complicated computing process, accurate results can be obtained easily and effectively within 3 seconds, and interference is avoided; meanwhile, the push method has tolerance functions and rules so that risks caused by lack of maintenance for a long time can be reduced, and errors can be decreased to the utmost extent. Game effect is configured in advance according to evaluation result and applied to a computer with same evaluation result; the whole process is automatic, the game effect of internet bars with multiple complicated configurations can be graded and preset automatically without participation of final users, thus, game experiences of naive users and bar users are improved, hardware configuration level can be reflected from the game effect, and maintenance cost and technical difficulty of the internet bars are reduced.

The invention provides a Parkinson's disease monitoring method and device and a storage medium. The Parkinson's disease monitoring method comprises the steps of acquiring a video picture from pre-installed acquisition equipment; obtaining a monitoring user picture according to the video picture; identifying human body contours of the monitored user pictures to obtain a plurality of monitored userhuman body contours, and obtaining action behavior information according to the plurality of monitored user human body contours, the action behavior information comprising state parameters in a staticstate and state parameters in a motion state; and comparing the state parameters in the static state and the state parameters in the motion state with corresponding preset action thresholds respectively, judging whether the user is in a suspected illness state or not according to a comparison result, and if so, sending a judgment result to a specified terminal. According to the Parkinson's disease monitoring method, the technical difficulties are reduced, meanwhile, a user can be monitored in real time, and information about whether suspected disease occurs or not can be obtained through automatic analysis, and related personnel are informed in time to perform prevention and attention.

The invention discloses a manufacturing method of ball valve bodies, comprising the following steps: (1) steel tube blanking, heating a steel tube which is blanked with segment materials; (2) placing the heated steel tube into a lower die for die pressing and forging to lead the lower end of the steel tube to be a necking circular tube; smoothly transiting the circumscribed cylinder of the unformed part of the necking circular tube and the steel tube through the ball surface, and discharging the semiformed material; (3) placing the semiformed material in the lower die after being turned around, the unformed part of the semiformed material is downward, the lower part of the semiformed material is formed by die pressing and forging to obtain the material with two symmetrical semi-part shapes; and (4) arranging a radial hole in the middle part of the material, and butting a tubular column on the radial hole and welding. The manufacturing method has simple process, lower processing cost, less seams of the integral valve body, high strength, strong pressure resistance, light weight, saved material and obvious economic benefit, and is especially suitable for manufacturing high-pressure ball valve body with all-welded pipelines.

The invention discloses a mobile phone anti-theft method and a mobile phone anti-theft system. The mobile phone anti-theft method includes the following steps: step 1, binding a mobile phone and a mobile phone card; step 2, conducting testing and verifying when another mobile phone card is inserted into the mobile phone; step 3, sending alerting signals when the testing and verifying are unsuccessful, wherein the alerting signals comprise the card number of the another mobile phone card. According to the mobile phone anti-theft method and the mobile phone anti-theft system, when other people fail to test and verify the mobile phone, the alerting signals comprising the card numbers of mobile phone cards of the people are sent automatically, and thereby a mobile phone user can be helped to find back a lost mobile phone of the user to redeem financial loss.

The invention discloses a radio frequency identification (RFID) anti-collision method for an adaptive back-off mechanism. According to the method, different back-off factors are determined and selected according to collision position conditions in the process of identifying a reader, so that all the labels are efficiently and rapidly identified through the adaptive back-off mechanism. According to the method, the adaptive back-off mechanism can be performed, the identification efficiency is greatly improved, and the mechanism is simple and feasible in structure, short in searching time, low in energy consumption and suitable for an RFID application system with lots of strict label and energy consumption requirements.

The invention provides a system for reducing an ASIL level of an electric vehicle motor controller, and the system includes a vehicle controller, a motor controller, a battery management system, and amotor connected to the wheels, the output end of the whole vehicle controller is respectively connected with the motor controller, the battery management system is connected, the output end of the battery management system is connected with the motor controller, the three-phase current output end of the motor controller is connected with the motor, and a current Hall sensor and a resolver are connected in series between the three-phase current output end of the motor controller and the motor. The invention also provides a method for reducing the ASIL level of the electric vehicle motor controller. The invention has the beneficial effects that the ASIL level of the motor controller can be reduced on the premise of ensuring that the whole vehicle level satisfies the same ASIL level torque function safety, so that the complexity and technical difficulty of the motor controller are reduced, and the whole vehicle cost and project risk are effectively reduced.

The invention discloses a planar honeycomb tube truss construction method applied to a profiling angle instrument. The method comprises the following steps of Step1, numbering various steel tubes for distinguishing according to a to-be-constructed planar honeycomb structure drawing, and surveying and mapping angle values of various through openings of forming the steel tubes; Step2, compiling cutting data of the through openings of the steel tubes for surveyed and mapped data of the angles of the through openings of forming the steel tubes, and cutting the through openings of the steel tubes by using an intersecting line cutting machine according to the compiled cutting data of the through openings of the steel tubes; Step3, carrying out on-site actual measurement on the cut through openings of the steel tubes by using the profiling angle instrument; and Step4, numbering and marking the steel tubes of the scene according to the actual measurement data of the scene, and numbering left and right ends of each through opening of the steel tube for distinguishing according to the to-be-constructed planar honeycomb structure drawing.

The invention relates to the field of polyvinyl alcohol non-woven fabric, and especially relates to a manufacturing method and a processing device for a low-temperature water-soluble polyvinyl alcohol non-woven fabric. The device comprises a feeding opening, a screw extruder, a melt filter, a spinning manifold, a combined stretching slit, a silk reciprocator, an air suction device, and a reinforcing device. Through water plasticized melt-spinning, the fabric is directly formed, a manufacturing process of the polyvinyl alcohol non-woven fabric is greatly shortened, cost is reduced, and environmental pollution is reduced. The combination of the process and the device preferably solves a technical problem of low-temperature water-soluble polyvinyl alcohol non-woven fabric, and a polyvinyl alcohol non-woven fabric product whose water solution temperature is 20-40 DEG C is successfully manufactured. The method and the device are simple in process and low in cost, and are suitable for industrial production.

The invention discloses a power supply device of a submarine volcanic observation instrument based on the sea-water temperature difference. The power supply device mainly comprises two pairs of coaxial rotating wheels with different sizes, wherein one pair of coaxial rotating wheels is driven by an ordinary belt, and the other pair of coaxial rotating wheels is driven by an alloy belt made of two-way shape memory alloy. The power supply device is characterized in that the energy in a temperature field is converted into the rotational kinetic energy of an output shaft in the power supply device by utilizing the difference of the ambient temperatures of the upper part and the lower part of the shape memory alloy. Compared with the traditional overland long-distance power transmission mode, in the power supply device, the difficulty for realizing on the engineering is greatly reduced; and compared with power supply by a storage battery, in the power supply device, the energy in the temperature field near a submarine volcanic vent can be continuously converted into electric energy for a long time, and the technical difficulty for periodical replacement of the storage battery is reduced.

The invention discloses an electric mould clamping mechanism of an injection moulding machine, and relates to the technical field of injection moulding machine manufacturing. The electric mould clamping mechanism comprises a servomotor, a ball screw, a bearing seat, a crosshead, a screw seat, a tail plate and a speed reducer, wherein the speed reducer is mounted on the end surface of the outer side of the tail plate; the servomotor is mounted on the speed reducer; the front end of the servomotor extends into the back end of the speed reducer and is directly, rigidly and fixedly connected with the speed reducer; the bearing seat is mounted in the middle of the tail plate; the screw seat is mounted in the middle of the crosshead; one end of the ball screw is positioned in the bearing seat, and the other end of the ball screw is mounted in the screw seat on the crosshead; an output shaft of the speed reducer is connected with the ball screw positioned at one end of the bearing seat; the crosshead is guided by four pull rods; and the planetary speed reducer is driven through the servomotor to drive the ball screw for driving the crosshead to move, so that the mould opening and closing movement of the injection moulding machine is realized. The electric mould clamping mechanism has the advantages that the structure is relatively simple, and the mechanism is convenient to mount, long in service life, relatively high in control precision and the like.

The invention relates to an Internet of things system. The Internet of things system comprises an LTE video device, a center management server, a terminal and a hardware access device. The hardware access device comprises a communication module and an electronic label; the communication module is used for establishing communication connection between the LTE video device and the center management server and transmitting the electronic label to the center management server; after the communication connection is established, the center management server, according to the electronic label, generates configuration information, thus, the process of authenticating the LTE video device through the center management server is completed, and the LTE video device is added to the Internet of things system; and the terminal receives the configurations information and controls the LTE video device. According to the invention, by use of generalization and platform ideas, the technical difficulty of hardware manufacturers in accessing the LTE video device into the Internet of things system is substantially reduced, the LTE video device is added to the Internet of things system through a registration mode, and thus the terminal of the Internet of things can realize control of the LTE video device.

The invention relates to the technical field of mouse strain identification, and particularly discloses application of an SNP (Single Nucleotide Polymorphism) marker in inbred line mouse strain identification and a primer sequence. Specifically, according to the application of the SNP marker in inbred line mouse strain identification, the SNP marker comprises 15 SNP loci; the inbred line mouse strain is selected from the group consisting of C57BL / 6J, C57BL / 6N, BALB / c, FVB, DBA / 2, CBAA / CaJ and C3H. The invention also discloses an application of the primer sequence for synthesizing the SNP site in inbred line mouse strain identification. According to the application, seven inbred line mouse strains of C57BL / 6J, C57BL / 6N, BALB / c, FVB, DBA / 2, CBAA / CaJ and C3H can be identified at the same time, and the accuracy of inbred line mouse strain identification results is improved.

The invention discloses a color film substrate, a manufacturing method thereof and a display panel. The color film substrate is sequentially provided with a first substrate, a color resistance layer,a flat layer and a quantum dot layer in a stacked mode in the first direction. The color resistance layer is provided with a plurality of sub-color resistance layers with different colors along a second direction, and a black matrix is not arranged between every two adjacent sub-color resistance layers; the quantum dot layer is divided into a plurality of quantum dot areas in the second direction,a dike part is arranged between every two adjacent quantum dot areas, the dike parts are right opposite to every two adjacent color resistance layers, and the color of the dike parts is black. According to the invention, the light loss in the display panel is reduced, and meanwhile, the technical difficulties and the manufacturing cost are also reduced; furthermore, the dike parts are arranged between every two adjacent quantum dot areas, the dike parts are black, light leakage between the light-emitting areas can be prevented, the preset length of the dike parts in the first direction is thefirst length L, the preset length range of the first length L is that L is larger than 6 micrometers, and the thickness printing requirement of the quantum dot layer is met.

The invention discloses fluororesins with an ion exchanging function, which comprise tetrafluoroethylene, ethylene and one or pluralities of monomers with structures illustrated by following general formulas (I): in the formulas, a=0-5, b=0-5, a+b= / 0, n=0-2; Rf and Rf' are chosen from -F, -C1, -Br or -CzF2z+1, wherein z=1-5; A is chosen from -SO2F, -SO2C1, -SO2Br or -SO2NR1R2; and R1 and R2 are chosen from -H or -CmH2m+1, wherein m=1-10. Fluorine-contained polymers with the ion exchanging function adopt an anticorrosive hastelloy melt spinning device to prepare polymer fibers with melt spinning serving as materials, the fibers are woven into fiber nets with the ion exchanging function via spinning technology, and the fiber nets serve as strengthening net materials of fuel battery proton exchange membranes and chlor-alkali ion membranes, thereby achieving the purposes of simultaneously improving the capabilities of membrane materials in strengthening and increasing adhesion between the fibers and the membranes and improving the exchange capability of the ions.

The invention belongs to the technical field of building construction, in particular to a multi-functional rubber pad limiting device. Left and right sides between a bridge surface and a bridge pier are respectively equipped with two rubber pads. Left and right sides between a bridge surface and a bridge pier are respectively equipped with two rubber pads. Two sides of each rubber pad are respectively equipped with six support rods. Bearings vertically support rod bodies of the support rods. At the center between through holes of two support rods, a roller is arranged. Limiting boards are arranged on two sides of each rubber pad. Bolts vertically penetrate through the limiting boards and the top surface of the bridge pier. Multiple limiting ramps are arranged on the surfaces of the limiting boards at equal intervals and extend into the bridge pier. When an earthquake happens, longitudinal waves deliver energy to the bridge pier. The bridge pier then delivers energy to the rubber pads.Slight deformation is generated on the rubber pads and energy is consumed. Transverse waves transfer energy to the bridge surface and the bridge pier. Relative displacement is generated between the bridge surface and the bridge pier. The limiting ramps on surfaces of the limiting boards produce relative displacement in order to avoid great displacement and prevent the bridge surface from falling off.

The invention relates to a foundation pit support system with piles combined with inclined piles in a supporting-before-digging construction method, which comprises two rows of water-soil mixing piles, H-shaped steel inserted in the piles, coping ring beams and connecting beams of front and rear rows of piles, an upper inclined inclined pile and a lower inclined inclined pile, the inclined pile can be H-shaped steel, a steel pipe, a hollow square pile, a hollow pipe pile, a solid square pile, a water stop groove square pile, a water stop groove circular pile and the like; the deep foundation pit supporting type means that the supporting type can be applied to deep foundation pits of two underground layers. The raking piles are embedded in the coping ring beam, and when the raking pile bodies are H-shaped steel or steel pipes, pre-embedded steel plates can be arranged on the coping ring beam to serve as welding connection measures; meanwhile, in order to prevent the inclined piles from passing through the intersection point of the floor slab and the outer wall in the basement, the vertical angles of the inclined piles can be adjusted within 15-50 degrees; the inclined pile can be pressed into a guide hole of the high-pressure jet grouting pile through a special construction machine and then inserted into the guide hole. The invention has the advantages that the portal frame structure is H-shaped steel, the inclined piles can be directly used and can be bought in the market, and the portal frame is convenient and fast to construct, low in manufacturing cost, energy-saving, environment-friendly, few in technical difficulty and convenient to popularize; meanwhile, the structure has multiple functions of reinforcement, skid resistance, soil retaining and water stopping, and can be used for deep foundation pit supporting of two underground layers.

The invention relates to the field of polyvinyl alcohol non-woven fabric, and especially relates to a manufacturing method and a processing device for a low-temperature water-soluble polyvinyl alcohol non-woven fabric. The device comprises a feeding opening, a screw extruder, a melt filter, a spinning manifold, a combined stretching slit, a silk reciprocator, an air suction device, and a reinforcing device. Through water plasticized melt-spinning, the fabric is directly formed, a manufacturing process of the polyvinyl alcohol non-woven fabric is greatly shortened, cost is reduced, and environmental pollution is reduced. The combination of the process and the device preferably solves a technical problem of low-temperature water-soluble polyvinyl alcohol non-woven fabric, and a polyvinyl alcohol non-woven fabric product whose water solution temperature is 20-40 DEG C is successfully manufactured. The method and the device are simple in process and low in cost, and are suitable for industrial production.

The invention discloses an installation and operation and maintenance method of a pressure-stabilizing pilot drive valve. The pressure-stabilizing pilot drive valve comprises a hexagonal upper valve body, an upper pressing plate, a diaphragm, a lower pressing plate, a stand column, a first through hole, a valve plate, a valve rod, a lower guide frame, a second through hole, an upper guide frame, alower valve body, a lower spring and an air cylinder, wherein the air cylinder comprises a left cavity, a middle cavity, a right cavity, an air inlet, a pressure regulating port, a pressure relief port, a right port, a left piston, an upper spring, a right piston, a limiting column, a hemisphere cover, a pivot and a connecting plate, and a containing groove is formed in the connecting plate. Theinstallation and operation and maintenance method comprises a mounting method, a testing method, and an operation method, wherein the testing method comprises the following steps that the pressure ofthe air inlet end of the valve is improved, the pressure above the diaphragm is improved, the valve plate is opened, the pressure of the air outlet end of the valve is tested, when the pressure of theair outlet end meets a preset value, after the pressure of the air inlet end is maintained for thirty minutes, the integrity of the diaphragm is detected, so that the pressure-bearing capability of the diaphragm under extreme pressure is tested.

A switchable air inlet system comprises a motor, a pump, a one-way valve, a pressure limiting valve, a reversing valve, a throttling valve, an energy accumulator, a three-way valve, an actuator, a filter, an emergency valve and a pressure stabilizing valve. The motor drives the pump to provide a pressure medium, the pump is connected with the one-way valve, the downstream of the one-way valve is connected with the pressure limiting valve, the other end of the pressure limiting valve is connected with the two-position three-way reversing valve, the downstream of the two-position three-way reversing valve is divided into two branches, the throttle valve is arranged on one branch, and the two branches are connected with the air inlet end of the pressure stabilizing valve after being intersected.