56results about How to "Realize quantitative adjustment" patented technology

The invention discloses a light attenuation device capable of continuously adjusting the light intensity. The light attenuation device includes a light source, two or more than two integrating spheres; wherein each integrating sphere is provided with a light inlet hole and a light outlet hole, the integrating spheres are in sequential cascade connection,i.e., the light output hole of the previous integrating sphere is connected to the light inlet hole of the next integrating sphere, each connection position between the two integrating spheres which are in sequential cascade connection, is provided with an electronic changeable diaphragm which is used for adjusting the radiation flux of light entering the integrating spheres and light emitted from the integrating spheres. The light attenuation device capable of continuously adjusting the light intensity can achieve sectionally continuous attenuation and quantitative adjustment of the light intensity, the attenuated light intensity is uniformly distributed, and the adjustment range of the attenuation coefficient is wide; the light attenuation device capable of continuously adjusting the light intensity can be applied to a light attenuator capable of widely, continuously and quantitatively adjusting the light intensity, or can be applied to light detection sensitivity detection of a device or equipment, light source radiant quantity and color measurement, spectral characteristic analysis, and the like.

The invention relates to a device and a method for automatically eliminating shortage of lap joint / excessive accumulation phenomenon in low-temperature deposition manufacture. The device comprises a rapid air inflation and deflation feeding device part and a control part, wherein the rapid air inflation and deflation feeding device part comprises a voltage stabilizing source device, an air pressure adjusting device, an air pressure detection device and a storage device; the regulator source device consists of an air compression part and a corresponding pressure regulating valve; the air pressure adjusting device is formed by connecting an inflation valve and an exhaust valve; the air pressure detection device is formed by a sensor connected at a charging barrel inlet in the storage device; the storage device is formed by sequentially connecting a feeding electromagnetic valve and a nozzle by a charging barrel; and an output hole of the regulator source device is connected with an input hole of the air pressure adjusting device. After the device and the method are adopted, the pressure can be rapidly and quantificationally adjusted according to the need, so that the response lag of the fluid flow velocity to the pressure change can be effectively compensated, and the phenomena of excessive accumulation and shortage of lap joint caused in the low-temperature deposition manufacture process can be effectively overcome.

The invention relates to an experimental bed capable of automatically controlling system mechanical properties. The experimental bed comprises a mattress and a bedstead, wherein the mattress consists of a bed core, a fabric composite layer (11), a latex foam bedding layer (12) and a spring substrate plate (15), and the bed core consists of evenly arranged independent bagged springs (13); the bagged springs (13) are independently and fixedly arranged on the spring substrate plate (15) and are provided with linear displacement transducers (14), and the mattress is provided with an adjustable comfort region (8) capable of detecting the morphological changes in human spine; the spring substrate plate consists of a plurality of independent small substrate plates, and each small substrate plate is used for supporting two horizontal rows of independent bagged springs (13); and a linear permanent magnet reciprocating motor (21) is respectively arranged under each small substrate plate. The bagged spring compression amount information collected by an information collector is transmitted to a data processor to obtain the human-bed interface indentation amount. The quantitative research on the human-bed interface shape and pressure in real sleeping and natural prone position states is realized.

The invention relates to the field of blast furnace production. In a method for quantizing and adjusting the edge airflow of a blast furnace, problems existing in the operation of the blast furnace are analyzed by virtue of the relationship between a model calculation result and furnace condition parameters, a distribution mode is optimized, distribution parameters are quantized, the charge systemadjustment of the blast furnace is guided, and blast furnace production is promoted. According to the method disclosed by the invention, a coke load index, a platform width and the like of each areaof the blast furnace are calculated on the basis of the distribution mechanism of the blast furnace; the relationship between the distribution model calculation result and the edge airflow of the blast furnace is obtained in combination with production practice; and a method for quantizing and adjusting edge airflow is disclosed.

The invention provides an angle adjusting device for concrete oblique column construction. The angle adjusting device comprises two bottom plates, a first supporting frame arranged on the upper ends of the bottom plates and used for supporting a formwork, a rotating mechanism arranged on the bottom plates and used for enabling the first supporting frame to rotate up and down, an angle indicating assembly connected with the rotating mechanism and used for controlling the magnitude of the rotating angle of the first supporting frame, and a limiting mechanism for fixing the rotating mechanism; the two bottom plates are provided with a first bubble level for judging the magnitude of front and rear inclination angles and a second bubble level for judging the magnitude of left and right inclination angles; the outer sides of the two bottom plates are further vertically provided with left and right adjusting screw rods for adjusting the left and right flatness; and the middles of the two bottom plates are vertically provided with front and rear adjusting screw rods for adjusting the front and rear flatness. According to the angle adjusting device for concrete oblique column construction,the inclination angle of a concrete oblique column bracket can be adjusted quantitatively, and the angle is precisely set advantageously.

The invention discloses an ultrasonic machining device and a machining method for a diamond microporous wire-drawing die, aiming at the problem of frequent needle breakage during machining for a diamond microporous wire-drawing die in the prior art. The ultrasonic machining device mainly comprises a three-dimensional tool needle adjustment mechanism, a die alignment mechanism, and an observation / detection / correction system, wherein a tool needle and the die can be aligned respectively by taking the centre of a rotary workbench as the reference of the alignment operation and by virtue of the observation / detection / correction system. In addition, the ultrasonic machining device can provide a balanced machining pressure by combining with a balanced elastic pressure adjustment mechanism, so that the occurrence of frequent needle breakage during a machining process for the diamond microporous wire-drawing die can be avoided; the ultrasonic machining device is especially suitable for machining the diamond microporous wire-drawing die with the pore diameter of not greater than 0.03 mm, and capable of improving the machining stability and the reliability, thus ensuring the machining quality of the diamond microporous wire-drawing die and increasing the machining efficiency of the diamond microporous wire-drawing die.

The invention relates to a fluid sensor which comprises a shell, a signal transmitter, a piston and a resetting device, wherein the piston is slidably arranged in a cavity of the shell and used for dividing the cavity of the shell into an inflow cavity and an outflow cavity; an induction element is arranged at one end of the piston adjacent to the signal transmitter; an inflow opening is arranged on the shell of one side of the inflow cavity; and the shell at one side of the outflow cavity is provided with an outflow opening and a flow supplementary opening as well as a regulating device used for regulating the maximum volume of the outflow cavity. The fluid sensor solves the technical problem of insufficient or waste oil feeding amount when the oil feeding amount of an oil feeder can not be accurately controlled by the traditional fluid sensor in use, and is in particular suitable for lubrication systems of various apparatuses.

The invention discloses a pharmaceutical particle packing machine, and solves the technical problems that new quantification cannot be reset after a packing machine is quantified, particles are easy to cake, and the like. The pharmaceutical particle packing machine comprises a support, and further comprises a feeding hopper, wherein the feeding hopper is arranged on the top of the support; a storage and screening mechanism are arranged below the feeding hopper; a discharging hopper is arranged below the storage and screening mechanism; the discharging hopper is fixedly connected to the support; a first adjusting mechanism is arranged at the right end of the lower portion of a discharging opening of the discharging hopper; a second adjusting mechanism is arranged below the first adjusting mechanism; a conveying mechanism is arranged on the left side of the lower portion of the discharging opening; and the lower end of the conveying mechanism is fixedly connected with the bottom surfaceof the support. A screen is arranged in the storage and screening mechanism and is used for screening caked particles, and meanwhile, by cooperation of the first adjusting mechanism and the second adjusting mechanism, different quantities of particles are quantified.

The invention discloses a planting robot which is in an X / Y / Z three-axis motion structure. A planting device is arranged at the bottom end of a Z axis, so that the planting device can reach each position in a planting area for operation by X / Y / Z three-direction motion. The planting device comprises a seed bin, a seed suction mechanism and a seeding mechanism. Automatic seed suction can be realized by the seed suction mechanism to allow a seed to enter the seed bin; and seeding and planting can be realized by the seeding mechanism.

The invention relates to an experimental device and method for researching a thermo-acoustic instability longitudinal and tangential modal coupling mechanism. The experimental device and method are used for researching thermo-acoustic instability modal coupling phenomena of combustion systems such as aerospace engines and ground gas turbines. The device is mainly an electric heating single-heat-source cross-shaped combustion chamber with a variable combustion chamber structure size, longitudinal and tangential mode coupling thermo-acoustic instability which simultaneously exists in a real engine is simulated, and heat source power and flow velocity control is facilitated. The longitudinal and tangential lengths of the combustion chamber may be achieved by modularly increasing or decreasing the number of tube segments and changing the position of the piston within the tangential tube, thereby achieving thermo-acoustic instability of longitudinal and tangential modal coupling at different resonant frequencies. Herein, quick response thermocouple and a pressure sensor are used in an experiment to obtain temperature data and sound pressure signals. By combining analysis methods such as power spectral density calculation, signal filtering, short-time Fourier transform and signal reconstruction, the characteristics and mechanism of thermo-acoustic unstable longitudinal and tangential mode coupling under different combustion chamber structures and sizes, different heat source powers and different air average flow rates can be researched. The experimental device is low in cost and simple in structure, and facilitates understanding and utilization of the thermo-acoustic unstable mode coupling phenomenon.

The invention relates to the field of rolling mill roll-guide checking equipment and specifically relates to a roll guide checking platform for a finishing mill and a pre-finishing mill. The platform comprises a platform base and a lining bar ruler, wherein the lining bar ruler is disposed on the platform base; a ruler hole is formed in the lining bar ruler; and a lining bar can pass through the ruler hole. The invention provides the roll guide checking platform for the finishing mill and the pre-finishing mill as well as a checking method which applies the device to check a roll guide, wherein a variation amount based on bearing clearance generated after one revolution of a nut as well as a simulated condition, positioning of a hole pattern rolling center line of a guide wheel and adjustment of a clamping amount can be implemented accurately. In this way, roll guide assembly accuracy is guaranteed; a service life of the roll guide is prolonged; replacement frequency of the roll guide is reduced; production efficiency is increased; and technological stability in installation is also enhanced.

The invention provides an integrated system of an annular visual field, wherein a common main optical system, and independent subsequent elements and receiving devices are utilized, and three independent modules, namely a high-resolution imaging module, a multibeam laser echo detecting module and an atmosphere echo detecting module. The high-resolution imaging module realizes a visible light multispectral high-resolution imaging function. The multibeam laser echo detecting module realizes a five-beam laser echo receiving function. The atmosphere echo detecting module realizes an atmosphere echo receiving function. Three channels form the annular visual field through reasonable laying. The optical system according to the invention has advantages of high ray machine structure integration degree, high resolution, small size, small weight, etc. Furthermore the integrated system realizes functions of high resolution and high-precision distance measuring to large-area ground objects, cloud aerosol detection and three-dimensional plotting.

The present invention discloses a fire retardant material performance testing device, the fire retardant material performance testing device comprises an explosion tube (1), a flame acceleration tube (2), a fire retardant tube (4) and an observation section (3) which are sequentially concatenated, the fire retardant material performance testing device comprises a fuel pipe (11) and a detonating device (12), and the flame acceleration tube (2) is provided with a flame velocity sensor (22) and a pressure sensor (21). The fire retardant material performance testing device can test fire retardant performance of a flame retardant product in a certain shape, result accuracy is high, and the fire retardant material performance testing device is simple in structure, and is particularly suitable for use in a construction site.

The invention discloses an inkjet printing head mechanism, inkjet printing equipment and an ink droplet ejection angle correction method. The inkjet printing head mechanism comprises an inkjet head and a temperature control part, wherein the inkjet head is provided with an inkjet cavity and a nozzle communicated with the inkjet cavity, and the temperature control part is arranged at the position,close to the nozzle, of the inkjet head and is configured to form a temperature difference between the front end position and the rear end position of the nozzle in the printing direction. The inkjetprinting head mechanism can quantitatively correct the emitting angle of ink droplets, so that the inkjet printing precision is improved. The inkjet printing equipment comprises a printing equipment main body and the inkjet printing head mechanism, wherein the inkjet printing head mechanism is arranged on the printing equipment main body. The ink droplet ejection angle correction method is simple,and high in adjustment accuracy.

The invention discloses a self-adaptation variable-engaging-gap gear transmission device and method. The device comprises a driving shaft and a driven shaft, a driving gear is mounted on the driving shaft, a driven gear engaged with the driving gear is mounted on the driven shaft, driving bearings are mounted at the positions, on the two sides of the driving gear, of the driving shaft, the outer rings of the driving bearings are provided with variable-gap damping rings and push cylinders, the variable-gap damping rings are of annular structures including inner rings and outer rings, four crescent-moon-shaped grooves which are symmetrically staggered in pairs and located on the different radius positions are arranged between the inner rings and the outer rings, the push cylinders are oppositely mounted on the two sides of the variable-gap damping rings, cylinder rod ends of the push cylinders are fixedly provided with arc plates, and the arc plates make contact with the inner surfaces of the variable-gap damping rings. The system stable running working condition range can be obviously improved, the transmission precision can be improved, vibration and noise can be reduced, the system service life can be prolonged, and the equipment system reliability can be ensured.

The invention relates to the technical field of medical cell cutting equipment, in particular to a diseased cell tissue excision device capable of finely adjusting the cutting area. The device comprises a fixed frame; an upper shell is vertically welded in the middle of the upper end surface of the fixed frame; and an extension rod is vertically welded downwards in the middle of the upper end surface of an inner cavity of the fixed frame. The device has the beneficial effects that by arranging multiple sets of circular ring cutting knives to be connected in a sleeved mode, repeated installation and disassembly of the knives are avoided, pollution to the knives is greatly reduced, meanwhile, quantitative adjustment is achieved, so that the cutting area is controlled, and research variablesare conveniently controlled; through cooperation of plug pins and threaded holes which are symmetrical longitudinally, adjustment of the position of an extrusion block is achieved, tissue cell cuttingis achieved through punching of a hydraulic cylinder, convenient adjustment of the cutting position is achieved, and the cutting efficiency is greatly improved; and meanwhile, through cooperation ofa camera and a display screen, real-time observation of the cutting position is achieved.

The invention discloses a light attenuation device capable of continuously adjusting the light intensity. The light attenuation device includes a light source, two or more than two integrating spheres; wherein each integrating sphere is provided with a light inlet hole and a light outlet hole, the integrating spheres are in sequential cascade connection,i.e., the light output hole of the previous integrating sphere is connected to the light inlet hole of the next integrating sphere, each connection position between the two integrating spheres which are in sequential cascade connection, is provided with an electronic changeable diaphragm which is used for adjusting the radiation flux of light entering the integrating spheres and light emitted from the integrating spheres. The light attenuation device capable of continuously adjusting the light intensity can achieve sectionally continuous attenuation and quantitative adjustment of the light intensity, the attenuated light intensity is uniformly distributed, and the adjustment range of the attenuation coefficient is wide; the light attenuation device capable of continuously adjusting the light intensity can be applied to a light attenuator capable of widely, continuously and quantitatively adjusting the light intensity, or can be applied to light detection sensitivity detection of a device or equipment, light source radiant quantity and color measurement, spectral characteristic analysis, and the like.

The invention belongs to the field of electromagnetism incremental forming, and discloses a multi-coil coupling non-mold electromagnetism incremental forming device and method. The method comprises the steps that (a) the non-mold electromagnetism incremental forming device is provided, and the device comprises a plurality of form-wound coils and a plurality of upper and lower built-in coils; (b) afinite element model of the non-mold electromagnetism incremental forming device is constructed to simulate an electromagnetism incremental process of to-be-formed board materials, so that simulationparameters of simulated forming parts and simulation parameters of the form-wound coils and built-in coils in the finite element model are acquired; (c) the to-be-formed board materials are placed among the built-in coils, according to the simulation parameters obtained in the step (b), corresponding parameters are set to achieve compression and electromagnetism incremental forming of the to-be-formed board materials, therefore a preforming part is acquired; (d) the form-wound coils at the upper and lower sides are selected from all the form-wound coils, so that the forming coils move along the forming hook face of the preforming part to carry out shaping. By adopting the method, the forming device has light weight, and the acquired part is good in the surface quality and high in formingaccuracy.

The invention provides a rotary artificial chordae tendineae adjusting system which comprises a wire locking device, and the wire locking device comprises a sheath used for hooking an artificial chordae tendineae and a rotating part rotatably arranged in the sheath; the rotating part rotates in one direction relative to the sheath, and the rotating part winds the artificial chordae tendineae hooked by the sheath to increase the length of the artificial chordae tendineae contained in the sheath. According to the rotary artificial chordae tendineae adjusting system, after the sheath hooks the artificial chordae tendineae, the length of the artificial chordae tendineae in the sheath can be increased by rotating the rotating piece in the sheath to wind the artificial chordae tendineae, so that the effective length of the artificial chordae tendineae is shortened, and the whole system is simple in structure, convenient to operate and high in practicability. The adjusting degree of the artificial chordae tendineae can be visually known through the rotating angle of the rotating piece, quantitative adjustment of the artificial chordae tendineae can be achieved, adjustment and control are achieved through one-way rotation, the wound artificial chordae tendineae can be prevented from loosening again, and the instrument stability is improved; and the chordae tendineae is prevented from being fixed through extrusion, so that the damage to the artificial chordae tendineae is small.

The invention discloses nephrology department urinalysis sampling equipment, and relates to the technical field of urinalysis sampling equipment. The nephrology department urinalysis sampling equipment comprises a sampling bottle, scales arranged on the side wall of the sampling bottle, a liquid outlet pipe fixedly connected to the bottom of the sampling bottle, and a plastic liquid inlet pipe fixedly connected to the side wall of the sampling bottle; one end of the plastic liquid inlet pipe is fixedly connected with a threaded pipe, the threaded pipe is in threaded connection with a liquid inlet funnel, a sliding hole is formed in the inner wall of the top of the sampling bottle, a push rod is slidably connected into the sliding hole, and the top end and the bottom end of the push rod are fixedly connected with a push plug and a push plate respectively. The invention further discloses a nephrology department urinalysis sampling method. According to the urine test sampling equipment for the nephrology department and the sampling method of the urine test sampling equipment, the equipment can prevent a user from sampling too much accidentally to cause urine overflow and pollution, the multi-batch quantitative sampling of urine is achieved, repeated inspection is facilitated, and the inspection precision is improved.

The invention relates to the technical field of composite material forming, in particular to a composite material conical section shell forming mold and method. The composite material conical section shell forming mold comprises a mold body and a pressing plate; the mold body is a conical barrel, an opening in the bottom end of the mold body is turned over outwards to form a flange connecting section; the pressing plate comprises a flange pressing plate body and a side pressing plate body, the flange pressing plate body comprises a flange face pressing section and a supporting section, and the side pressing plate body is of an L-shaped structure; and after prepreg is laid on the surface of the mold body, the flange face pressing section covers the surface of the prepreg on the flange connecting section, the end part of the side pressing plate body is arranged on the supporting section, and the inner surface of the side pressing plate body is attached to the surface of the prepreg on the corner portion of the mold body. According to the composite material conical section shell forming mold and method, through the attached supporting design of the surface of the side pressing plate body and the surface of the flange pressing plate body, integral compaction operation can be carried out on the prepreg forming a flange structure, meanwhile, the side pressing plate body and the flange pressing plate body can move relatively due to the characteristic of the split structure, the prepreg can be fully compacted, and the problems of glue gathering, layering, pores and other defects after curing can be reduced.

The invention discloses a double-foot driving non-resonant piezoelectric linear motor and an electric excitation method. The motor comprises a stator, a linear guide rail, a ball sliding table, a pre-pressure mechanism and a base, wherein the stator is mainly composed of four rhombic flexible frames and four laminated piezoelectric ceramic groups which are installed in the flexible frames in a one-to-one correspondence mode in the specific direction, the stator is located between the linear guide rail and the pre-pressure mechanism, keeps in contact with the front end face of an upper slidingblock of the linear guide rail under the pre-pressure effect of the pre-pressure mechanism and enables the piezoelectric linear motor to be powered off and self-locked. According to the invention, thestator is of an integrated symmetrical structure, so that it is convenient to process and assemble, the processing error of the stator has little influence on the precision of the motor, a good contact state between double driving feet of the stator and the linear guide rail can be better ensured, and large-stroke actuation is provided while high precision and large thrust are realized. Specificexcitation voltage signals are respectively applied to the four laminated piezoelectric ceramic groups, so that the stator can drive the linear guide rail to perform linear motion.

The invention discloses a gas shielded welding telescopic nozzle capable of spraying stable airflow. The gas shielded welding telescopic nozzle comprises a nozzle seat, a telescopic sleeve and a gas screen, or further comprises a locking nut or a locking protective sleeve or a dustproof sleeve. An air screen is arranged at the inner upper part of the telescopic sleeve, and nozzle telescopic adjusting scales are arranged on the outer surface of the lower section of the upper part of the telescopic sleeve; self-sealing / instant self-locking telescopic threaded connection is formed between external threads on the upper portion of the telescopic sleeve and internal threads of the nozzle base so that the length of the nozzle can be adjusted. The locking nut or the locking protective sleeve is screwed on the lower section of the external thread at the upper part of the telescopic sleeve and plays a role in locking the telescopic thread connection in advance; and the dustproof sleeve is fixedly connected with the lower end of the nozzle seat after passing through the smooth outer surface of the lower section of the upper part of the telescopic sleeve, plays a dustproof role on an unmeshed threaded surface in the nozzle seat, and plays a limiting and anti-screwing role on the telescopic sleeve. The nozzle has the functions of locking, anti-rotation, quantitative adjustment and dust prevention, is simple in structure and convenient to use, and can spray stable protective airflow.

The invention relates to a stepping power amplifier for quantitative adjusting. The stepping power amplifier adopts voltage-control attenuation and comprises a voltage-control attenuator, a driving amplifier, a power amplifier and a power source and control module, the voltage-control attenuator is used for receiving control voltage V1' sent by the power source and control module, attenuating an input microwave radio frequency signal according to preset attenuation amount and outputting a weak signal, the driving amplifier is used for receiving and amplifying the weak signal output by the voltage-control attenuator and outputting a first power amplifying signal, the power amplifier is used for receiving and amplifying the first power amplifying signal output by the driving amplifier and outputting a second power amplifying signal, and the power source and control module is used for providing a power source for normal working of the driving amplifier and the power amplifier, controllingV1' to acquire corresponding control voltage variation delta V and then adjusting a power value P1 corresponding to the second power amplifying signal.

The invention relates to an experimental bed capable of automatically controlling system mechanical properties. The experimental bed comprises a mattress and a bedstead, wherein the mattress consists of a bed core, a fabric composite layer (11), a latex foam bedding layer (12) and a spring substrate plate (15), and the bed core consists of evenly arranged independent bagged springs (13); the bagged springs (13) are independently and fixedly arranged on the spring substrate plate (15) and are provided with linear displacement transducers (14), and the mattress is provided with an adjustable comfort region (8) capable of detecting the morphological changes in human spine; the spring substrate plate consists of a plurality of independent small substrate plates, and each small substrate plate is used for supporting two horizontal rows of independent bagged springs (13); and a linear permanent magnet reciprocating motor (21) is respectively arranged under each small substrate plate. The bagged spring compression amount information collected by an information collector is transmitted to a data processor to obtain the human-bed interface indentation amount. The quantitative research on the human-bed interface shape and pressure in real sleeping and natural prone position states is realized.

The invention belongs to the field of flow measurement, and provides an external clamping-type sensor parameterized installation method. An adjustable fixing device is used to install the external clamping-type sensor on the surface of a measured pipeline. The device comprises a fixed frame, a movable frame, radial screw rods, knobs and axial sliding rails, wherein the middle and the two ends of the U-shaped structure of the frame are provided with screw rod holes and sliding rail holes; the radial screw rods and the knobs are installed at the screw rod holes; and the axial sliding rails are installed at the sliding rail holes in the fixed frame and the movable frame to connect the two. The installation method comprises main steps of initial state calibration, installation parameter determination and sensor installation by the adjustable device. parameterization of the installation process and quantitative adjustment of the installation parameters are realized at the same time, the principle is concise, the operation is easy, the installation precision and the operation efficiency of the sensor can be greatly improved, and the applicability and the reusability are excellent.

The embodiment of the invention provides a random magnetic tunnel junction device with a controllable overturning probability and an application method, and belongs to the field of semiconductor devices. The device comprises a basic magnetic tunnel junction sandwich structure which comprises a reference layer, a tunneling barrier layer and a free layer from top to bottom; a top end electrode which is positioned above the reference layer and is provided with a top end electrode port; a regulation and control layer which is located below the free layer and used for providing a bias magnetic field for the free layer, and the regulation and control layer comprises an exchange bias field layer and a bottom end electrode which are arranged in an overlapped mode; two ends of the bottom end electrode are respectively provided with a bottom end first electrode port and a bottom end second electrode port; the top end electrode port, the bottom end first electrode port and the bottom end second electrode port are used in a single or any combination mode so as to regulate and control the overturning probability of the random tunnel junction device. According to the scheme of the invention, the overturning probability of the random magnetic tunnel junction device is controllable.

The invention provides an encoding disc aligning device. The encoding disc aligning device comprises a base (1) and a bearing chamber arranged at the center of the base (1); the encoding disc aligning device further comprises a rotating shaft (2) of which the bottom extends into the bearing chamber and an encoding disc (3) which sleeves the top of the rotating shaft (2); and the base (1) is provided with an aligning device which is located at the horizontal direction side of the rotating shaft (2) and can move in a horizontal direction so as to adjust eccentric magnitude between the center of the encoding disc (3) and the center of the rotating shaft (2). With the encoding disc aligning device of the invention adopted, quantitative adjustment of the eccentric magnitude of the encoding disc in an installation process can be effectively realized; requirements for the working skills of workers in an encoding disc aligning process can be effectively decreased, and work efficiency can be improved; and the working performance and measuring accuracy of a photoelectric encoder can be effectively ensured. The invention also relates to an encoding disc aligning method using the device.

The invention provides an integrated system of an annular visual field, wherein a common main optical system, and independent subsequent elements and receiving devices are utilized, and three independent modules, namely a high-resolution imaging module, a multibeam laser echo detecting module and an atmosphere echo detecting module. The high-resolution imaging module realizes a visible light multispectral high-resolution imaging function. The multibeam laser echo detecting module realizes a five-beam laser echo receiving function. The atmosphere echo detecting module realizes an atmosphere echo receiving function. Three channels form the annular visual field through reasonable laying. The optical system according to the invention has advantages of high ray machine structure integration degree, high resolution, small size, small weight, etc. Furthermore the integrated system realizes functions of high resolution and high-precision distance measuring to large-area ground objects, cloud aerosol detection and three-dimensional plotting.

The invention provides an oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method. The oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method comprises the steps of 1, building a relation expression of an oil-water well bottom pressure after parameter adjustment and distribution adjustment; 2, drawing a graph represented by the formula drawn in the step 1 in a rectangular coordinate system; 3, selecting points meeting adjustment requirements on the graph drawn in the step 2; 4, converting the points selected in the step 3 into adjustment of a related oil-water well. The oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method has the advantages of being wide in application range, easy and feasible, and precise in adjustment and can be widely used for parameter-adjustment distribution-adjustment flow-adjustment line work of a water-drive reservoir complex in lithology, large in permeability difference, protruding in water logging and water channeling and imbalanced in exploitation and improve the oil reservoir development and management level.