50results about How to "Rate of change" patented technology

The invention discloses a method for preparing monodisperse emulsion and belongs to the technical field of emulsion. The monodisperse emulsion is prepared by using a tube-in-tube annular channel reactor; a continuous phase is introduced into an outer tube of the tube-in-tube annular channel reactor, a disperse phase is introduced into an inner tube of the tube-in-tube annular channel reactor, and the continuous phase and the disperse phase fully contact on micropore parts to form the emulsion; and according to the method, equipment is simple, cost is low, flux is high, and continuous operation can be realized, so that the preparation cycle can be greatly shortened, and production efficiency is improved. The emulsion prepared by the method is high in quality, stable in performance, and high dispersibility; and emulsion droplets are uniform in particle size.

An ECU transmits a pulsed operation command signal, indicating operation commands for an electric motor used as a VVT actuator, to an electric-motor EDU. The electric-motor EDU recognizes the combination of the direction in which the actuator should be operated (actuator operation direction) and the control mode based on the duty ratio of the operation command signal, and the rotational speed command value based on the frequency of the operation command signal. The electric-motor EDU controls the electric motor according to the control commands. The duty ratio indicating the combination is set such that even if the duty ratio is falsely recognized, a false recognition concerning the actuator operation direction is prevented, such false recognition causing the valve phase to change in an undesirable direction, and even if the actuator operation direction is falsely recognized, the rate of change in the phase is restricted.

The invention discloses a method for preparing nanoscale boron modified HZSM-5 by seed crystal directing. The method comprises the steps as follows: (1) mixing an aluminum source, a silicon source, an alkali source, a boron source, ZSM-5 molecular sieve seed crystals and water, adjusting the pH of an obtained mixture to 10-12 and mixing the mixture uniformly to form gel; (2) crystallizing the gel in a reactor, and performing solid-liquid separation, washing and drying on a crystallized product to obtain a dried crystallized product; (3) adding the dried crystallized product in an ammonium salt solution for ion exchange to obtain an ammonia type ZSM-5 molecular sieve; (4) roasting the ammonia type ZSM-5 molecular sieve to obtain HZSM-5. The invention further discloses a molecular sieve prepared by the method and application of the molecular sieve in a reaction of methanol to propylene. The boron modified HZSM-5 requires no roasting of a template agent and is environment-friendly, the propylene yield and the service life are greatly increased, the selectivity of propylene reaches 44.0wt% or higher, and the service life reaches 500 h or longer.

The invention relates to an activated carbon granule of load quantum dots as well as a preparation method and application thereof. The granule is a nanometer compound particle taking activated carbon as a core and quantum dots as a shell, wherein the grain size of the activated carbon is from 30 nanometers to 1 micrometer, and the quantum dots are attached to the surface of the activated carbon through the electrostatic adherence function. The preparation method comprises the steps of: directly adding the quantum dots into the activated carbon with opposite electric property, or decorating positive charge macromolecules on the surface of the activated carbon; and loading the negatively charged quantum dots on the activated carbon through a layer-by-layer electrostatic adherence method to form the compound particle. The invention has the advantages that the obtained compound particle has multiple functions of photodynamic therapy, photoinduced thermal therapy, pigmentation, imaging, and the like, the toxicity of the quantum dots can be reduced, the metabolic pathway and speed of the quantum dots in bodies can be changed, and the application potential of the quantum dots in the medical field can be improved.

In a terahertz imaging system, a light beam (115) tracks a scanning component (105) for scanning a field of view in order to obtain positional information. The tracking beam (115) may be steered by the scanning component (105), for example, by means of reflection, refraction or diffraction. The steered tracking beam (125) can then be detected by a spatially sensitive detector such as a charge-coupled device array (135). In a preferred embodiment, the output of a terahertz detector (130) receiving terahertz radiation from a scanned field of view (170) is used to modulate the tracking beam (115). This means that the spatially sensitive detector (135) can provide an image directly derived from the scanning of the field of view by terahertz radiation.

A stroke detection apparatus performs a stroke detection of 4-cycle engine based on a rotary engine speed when a throttle opening is large. A first crank-pulse time interval between a crank pulse inputted before a top dead center by 30°, and a crank pulse of the top dead center is measured by a pulse-interval calculation unit, and at the same time, a second crank-pulse time interval between a crank pulse inputted after the top dead center by 60° and a crank pulse inputted after the top dead center 90° is measured. An interval difference calculation unit calculates time-interval difference by subtracting the second crank-pulse time interval from the first crank-pulse time interval, for two continuous top dead centers. A stroke detection unit determines whether two top dead centers are a compression top dead center or an exhaust top dead center based on magnitudes of the time-interval differences.

The invention discloses an experimental system and method for studying an action mechanism of explosive stress waves of surrounding rock. The system can change surrounding rock stress, the number of cartridge bags, the positions of the cartridge bags, the explosive charge amount, the explosive hole diameter and the like, and analyze the action mechanism, cracking speed and crack propagation situation of the explosive stress waves on the rock mass by reading strain data of the rock mass around blast holes in the instantaneous blasting process. The system for studying the action mechanism of theexplosive stress waves of the surrounding rock can study the action mechanism on a test piece when the explosive stress waves are generated, the effects of the explosive stress waves during crackingof a crack of the test piece and the effect and rule of superposition of the explosive stress waves under confining pressure of different strengths, and more deeply study the fracture dynamics theoryand stress wave theory on this basis.

The invention provides a magnetic medium assisted plate punching forming device and method, and relates to a plate flexible medium assisted punching forming device and method. The magnetic medium assisted plate punching forming device and method are used for solving a series of problems that during traditional plate punching forming, scratches, buckling deformation, too large burrs, poor fracturesurface quality and tipping caused by imbalanced force bearing of a punch are easily generated. According to the device, a coil 10 is embedded into a female die 5 and connected with a magnetic controlunit 6, a pressure sensor 7 is arranged in a sealing block 8, a magnetic medium 14 is injected into a cavity defined by the sealing block, a liquid storage chamber 5-1 and a plate blank 13, and the arrangement state and the rheological property of the magnetic medium are adjusted through the magnetic control unit 6. According to the method, the magnetic medium 14 with different particle volume fractions is injected into the liquid storage chamber 5-1 of the female die 5 through a plunger cylinder 4, different backpressure force transmission effects are achieved for the plate blank 13 in the punching process under adjustment and control of the magnetic control unit 6, the force bearing state and the deformation behavior around a plate punching region are changed, and improvement of the quality of punching parts is promoted. The method can quantitatively adjust and control the effect of a force transmission medium according to the actual working condition requirements, and the device and the method are suitable for punching forming of high-quality metal plates.

The invention relates to an intelligent mechanical tillage boat. The intelligent mechanical tillage boat includes a boat body component, a rotary tillage component and a lifting component; the boat body component includes a boat body, a power component, two water wheels and a front wheel, wherein the water wheels are symmetrically installed on the outside of the boat body, and the power componentis arranged inside the boat body. According to the intelligent mechanical tillage boat, the power component in the boat body component is used for driving, and accordingly the water wheels are drivenby to operate to control the movement of the boat body; a user terminal is used for sending control instructions to control the direction of movement of the boat body, accordingly the tillage positionof the rotary tillage component is changed, and on-site monitoring data is obtained by a monitoring probe; a wireless transmission unit is used for transmitting the on-site monitoring data to the user terminal in real time so that a user can observe and analyze the tillage situation in real time and send different control instructions to effectively adjust the direction of movement of the boat body; the effect of unmanned tillage by the mechanical tillage boat is realized, the tillage intensity is reduced, and the durability and precision of tillage are improved.

The invention relates to an inside engaged gear pump or gear motor device with a multilayer structure. The device comprises an inner rotor, N layers of double-faced toothed ring sleeves, an outer rotor and a pump body, wherein N is a positive integer more than or equal to 1; the inner rotor, the double-faced toothed ring sleeves and the outer rotor are sequentially arranged in the pump body from inside to outside; the tooth faces of the inner rotor, the N layers of double-faced toothed ring sleeves and the outer rotor are in a mutual contact engaged state; at least two sealed accommodation cavities are formed between adjacent elements of the inner rotor, the N layers of double-faced toothed ring sleeves and the outer rotor; and rotating axes of the inner rotor, the N layers of double-faced toothed ring sleeves and the outer rotor are positioned in the same plane, and are not overlapped. The double-faced toothed ring sleeves are additionally arranged between the inner rotor and the outer rotor, so that a volume between the rotor can be multiplied under the condition of no increase of widths of the rotors; and by the elastic compensation function of the double-faced toothed ring sleeves, a requirement on the machining accuracy of the inner and outer rotors of the device can also be lowered, so that machining difficulty and maintenance cost are lowered.

An ECU transmits a pulsed operation command signal, indicating operation commands for an electric motor used as a VVT actuator, to an electric-motor EDU. The electric-motor EDU recognizes the combination of the direction in which the actuator should be operated (actuator operation direction) and the control mode based on the duty ratio of the operation command signal, and the rotational speed command value based on the frequency of the operation command signal. The electric-motor EDU controls the electric motor according to the control commands. The duty ratio indicating the combination is set such that even if the duty ratio is falsely recognized, a false recognition concerning the actuator operation direction is prevented, such false recognition causing the valve phase to change in an undesirable direction, and even if the actuator operation direction is falsely recognized, the rate of change in the phase is restricted.

The invention discloses an intelligent lithium battery diaphragm tension control device. The intelligent lithium battery diaphragm tension control device comprises a PLC a driving motor, two servo drivers and a display, the servo drivers are connected with servo motors, incremental encoders are arranged on the servo motors, the output ends of the servo motors are connected with diaphragm transmission rollers through gearboxes, and the two diaphragm transmission rollers are separately located at the input end and the output end of a lithium battery diaphragm. The output end of the driving motoris connected with a marking roller, the marking roller is located at the input end of the lithium battery diaphragm, and a plurality of hole punching cutters are evenly distributed on the end part inthe circumferential direction. The hole punching cutters are matched with the diaphragm transmission roller located at the input end of the lithium battery diaphragm, and a photoelectric sensor is arranged near the output end of the lithium battery diaphragm, and the photoelectric sensor corresponds to the side of the lithium battery diaphragm. The intelligent lithium battery diaphragm tension control device can correct position information of the lithium battery diaphragm in time, a transmission system of the whole lithium battery diaphragm is enabled to be more stable and reliable, and thequality and output of the lithium battery diaphragm are improved.

The invention discloses tooth whitening gel as well as a preparation method and use method thereof. The gel contains the following raw materials in parts by weight: 0.7-0.9 part of carbomer, 18-22 parts of hydrogen peroxide, 0.04-0.06 part of EDTA-2Na, 0.6-0.8 part of triethanolamine, 0.15-0.25 part of potassium nitrate and 12-18 parts of a PBS buffer solution. The preparation method comprises thefollowing steps: fetching carbomer and water, and stirring; and adding hydrogen peroxide, EDTA-2Na, triethanolamine, potassium nitrate and the PBS buffer solution. Peroxy-radical ions in tooth whitening gel are stimulated by virtue of a blue light stimulating instrument so as to release hydrogen peroxide molecules, the hydrogen peroxide molecules generate oxidation-reduction reaction on the surfaces of teeth, and then pigments attached to the teeth are removed, so that the aim of safe and efficient tooth whitening is achieved.

The invention discloses a method for improving meat quality through ultrasonic assisted heat treatment. The method comprises the following steps: A, cutting a fresh meat product into blocks; B, performing ultrasonic assisted heat treatment on the materials obtained in the step A; and C, performing quick-freezing treatment on the materials after the ultrasonic assisted heat treatment is completed.The invention further provides a method for quantitatively identifying the meat quality after the ultrasonic assisted heat treatment. The quality indexes of the meat after the ultrasonic assisted heattreatment are comprehensively and quantitatively identified by the following determination methods: endogenous enzyme activity determination, texture TPA determination, total bacterial count determination, TBARS value determination, carbonyl content determination, myofibril fragmentation index MFI determination and TCA-dissolved peptide content determination. According to the method disclosed bythe invention, a yellow-feathered chicken raw material suitable for traditional Chinese stewing is obtained, the taste of the stewed chicken can be improved, the appearance of the yellow-feathered chicken can be improved, and the shelf life can be prolonged.

The invention relates to medical hollow nanosphere with a double-shell porous structure and a preparation method thereof, the hollow nanosphere is of the double-shell structure, an inner shell is porous nano Zn (Fe, Ce) 2O4 ferrite, and an outer shell is formed by wrapping the surface of the inner shell with porous CeO2. The preparation method comprises the following steps: determining the molar ratio of each component according to Zn (Fe, Ce) 2O4; preparing a Zn (Fe, Ce) 2O4 ferrite precursor solution; adding the material into alcohol dispersed with phenolic resin microspheres and deionized water, regulating a pH value of a system to 9-10 for at least 3 hours, carrying out solid-liquid separation, washing the solid, carrying out vacuum drying, heating the material in air to 400-600 DEG C,and carrying out heat preservation to obtain the medical Zn (Fe, Ce) 2O4 / CeO2 porous structure hollow nanospheres. The prepared porous hollow nanosphere has the advantages of short relaxation time, good transverse relaxation efficiency, good fluorescence effect, excellent superparamagnetism, large specific surface area, high drug loading capacity, and realization of effective drug loading and release, and cavities and pores of the porous hollow nanosphere can accommodate loaded drugs.

The invention discloses a manual icing testing system based on natural condition. The manual icing testing system comprises a measuring system, wherein the measuring system comprises a testing field, a wire rod system and a spraying system; the wire rod system is erected on the testing field; the wire rod system comprises concrete rods arranged in parallel; two layers of leads in parallel are erected up and down are erected on each row of concrete rods; two leads are arranged at each layer; the leads and the concrete rods are connected through insulators; the spraying system comprises a spraying pipeline; the spraying pipeline is parallel to the leads at the upper layer; and the spraying pipeline is provided with nozzles facing downwards. With the adoption of the manual icing testing system based on natural condition, related by the invention, the natural environment condition can be utilized well; the advantages of the natural condition and the natural environment condition can be combined; the defect that testing is carried out only depending on the natural condition is made up; the manual interference is carried out pointedly; the testing time (period) is prolonged; and ideal parameters of the testing environment can be obtained.

The invention discloses anti-car-smashing lane gate equipment comprising a gate. A working cavity is formed in the gate. A second rotating shaft extending left and right is rotationally connected intothe right side wall of the working cavity; a second bevel gear is fixedly arranged at the extending tail end of the left side of the second rotating shaft; a brake arm is fixedly arranged at the extending tail end of the right side of the second rotating shaft; a balance rotating strip is arranged in the working cavity; and a first rotating shaft extending backwards is fixedly arranged in the center of the balance rotating strip. The anti-car-smashing lane gate equipment is simple in mechanism and easy and convenient to use; a radar or a coil is replaced with a spring block to achieve rod lifting and falling of the gate, so that a rod lifting mistake and car smashing caused by external accidental factors are avoided; a ball valve is further arranged and the speed of controlling the brakearm to ascend or descend through the hydraulic device can be changed, so that the use requirements on different occasions are met.

The invention discloses an AuGe eutectic alloy solidification structure regulation and control method and an AuGe eutectic alloy material prepared through the method. The method comprises the following steps of (1) preparing an AuGe alloy; and (2) regulation and control of a solidification structure. Through the cladding melting purification and cyclical superheating technology by regulating and controlling parameters such as the type and viscosity of a cladding agent, the superheating degree of an alloy melt and the superheating cycle index, the solidification rate and the supercooling degreeof the AuGe eutectic alloy can be changed, and the AuGe eutectic alloy solidification structure can be regulated and controlled. The method is simple and easy to implement and provides a new path forimproving the processing formability of the AuGe eutectic alloy.

The invention provides a tiny-particle optical fiber directional driver moving along the side polishing and slotting direction and a method. The driver comprises a section of straight or bent optical fiber; one end of the optical fiber is connected with a light source; a polishing area and a slot are arranged on the side of the optical fiber; the slot is positioned in the polishing area right above a fiber core of the optical fiber; and the polishing area and the slot lead transmission lights in the fiber core to transmit a clapping layer and enter a slotting area so that driven tiny particles can freely pass in an evanescent field mode. The driver is mainly used for driving the tiny particles such as biological molecules, biological cells, nanometer clusters, colloidal particles, media particles and the like; the driving speed and the driving distance of the tiny particles are changed by adjusting the input light intensity of the optical fiber or the bending radius of the optical fiber; and the directional driving of the tiny particles is very strong.

The invention provides a magnetic field assisted chemical etching method. The method includes the following steps: S1, performing gluing and photo etching processing on a semiconductor material so that a to-be-etched material can be obtained; and S2, putting the to-be-etched material into an etching liquid, and performing etching under a magnetic field with the intensity being 1 kOe - 2 kOe. A magnetic field assisted chemical etching device is also provided. The device includes a solution bottle and a magnetic field excitation device; the solution bottle is used for accommodating the etching liquid and the to-be-etched material; and the magnetic field excitation device is arranged at the external of the solution bottle and used for providing a stable magnetic field. Through the addition ofconventional chemical etching and the magnetic field, anions and cations in the etching solution can move along a certain direction, so that directional etching can be realized, damages to the side surfaces of retained graphics can be reduced, the moving ions can be accelerated, and etching rates can be enhanced; and the method is simple in operation, low in cost and wide in application range, and can realize the directional chemical etching of all common semiconductor chips at the present stage.

The invention discloses an equipment regulation and control device of a comprehensive energy system. The equipment regulation and control device comprises an energy supply center and a system management and control center for controlling all modules of the energy supply center to operate. The energy supply center provides a supply process from energy output to dispatch and use and at least comprises an energy production module, an energy supply module used for transmitting all output energy, a cooperative conversion transmission module and an energy storage module, wherein the energy production module can be at least divided into a renewable energy group and a non-renewable energy group; the system management and control center at least comprises an energy control module which controls conversion and distribution of each energy source in the energy source production module. Multiple groups of energy classifications are set according to the energy characteristics, the supply amount of each type of energy is controlled according to the productivity benefit of each energy monitored in real time, and the energy is saved and the environmental pollution is weakened by improving the energy production amount and the supply rate of clean and energy-saving types under the condition of conforming to the use conditions.

The invention discloses an automatic feeding and discharging high-speed chip mounter which comprises a workbench, a first box body is installed on the left side of the top of the workbench, a chip mounter is installed on the right side of the top of the workbench, and a chip pushing assembly is arranged on the left side of the top of the workbench. Through the rotary connection relation between a second short handle and a third short handle, the fixed relation between a vertical block and a square block, and empty grooves processed in the front and rear end faces of a second box body, the vertical block shifts a bonding pad to enable the bonding pad to leave the second box body, so that a chip mounter is matched with the bonding pad at the same time, the chip mounter better carries out chip mounting on the bonding pad, the control is convenient, a second short rod is rotationally connected with an elliptical plate, and a sixth short rod is rotationally connected with a first cross rod through a short seat, so that the elliptical plate is driven by a second motor to enable a second cross rod to operate along an elliptical track, and then the bonding pad plate is continuously fed for equal time through a sliding rail.

The invention relates to the field of buildings, in particular to an automatic fixing piling device. The automatic fixing piling device can fix timber piles with uneven thickness and adjust the fixed height and the speed and the height of piling, so that the striking force and the striking frequency are adjusted. The automatic fixing piling device comprises a fixing device, a piling device and a lifting device. Timber piles with different thicknesses can be fixed through rotation of a first gear; the height of upper and lower power arms can be adjusted by rotating a knob, so that timber piles with different heights are fixed; the rotating speed of a special-shaped wheel and the rotating speed of a round wheel can be changed by adjusting the position of a motor in a motor notch, thus the lifting and falling speed of a vertical rod and a gravity column is changed, and the timber pile beating frequency is changed; and the height of the gravity column can be adjusted by rotating a lifting knob, so that the piling height is changed, and the piling strength is further changed.

Described is an architecture comprising a flexible and extensible framework embodied in a robust coexistence service that couples sensed RF spectrum (interference) data to modules that process the data into dynamic feedback information used to mitigate network communication problems caused by the interference. Via a driver, spectrum sensor hardware is connected to the framework running on a computing device, where the condition and quality of various wireless networking channels are assessed by external modules plugged into the framework. Modules comprise include a classifier component that examines the sensed-data and classifies it, and an application program that processes the classified data, possibly for mitigation. Mitigation-related information is fed to a feedback mechanism to adjust network parameters to avoid the sensed interference. The robust coexistence service also distributes control data corresponding to the mitigation information to other remote computing devices in the wireless network for use in mitigating their interference problems.

The present invention discloses a preparation method of a GaN-based light emitting diode. The method comprises a substrate; a N-type GaN layer is grew on the substrate; a quantum well layer is grew on the N-type GaN layer; a quantum well layer is grew on the N-type GaN layer, a P-type GaN layer is grew on the quantum well layer; and the N-type GaN layer or / and the P-type GaN layer employ temperature varying growth, and the temperature in the temperature varying growth is the periodicity fluctuation temperature. The N-type GaN layer or / and the P-type GaN layer employ temperature varying growth so as to improve the crystal quality of the N-type GaN layer or / and the P-type GaN layer and enhance the luminescence efficiency of the GaN-based light emitting diode.

The invention discloses a biochemical analyzer feeding unit dissolving and stirring mechanism which comprises an upper-layer disc carrier plate and a lower-layer disc carrier plate; a mandrel is mounted in the centers of the upper-layer disc carrier plate and the lower-layer disc carrier plate through bearing assemblies, a series of penetrating through holes are distributed in the peripheral edges of the upper-layer disc carrier plate and the lower-layer disc carrier plate, and rotary drum components are mounted in the through holes through shaft sleeves; edge gears are fixedly sleeved on the outer sides of the rotary drum components, a central gear is fixed on the mandrel and meshed with the edge gears, a driven gear is arranged on the lower portion or the edge of the lower-layer disc carrier plate, a rotary driving motor is mounted on the base, a driving gear is mounted on a rotary shaft of the rotary driving motor, and the driving gear is meshed with the driven gear. Corresponding reagent container components located on the edges of the upper-layer disc carrier plate and the lower-layer disc carrier plate can autorotate while revolving, the autorotation mixing and stirring effect of a single reagent container component is achieved through autorotation, and the revolution mixing and stirring effect is achieved by changing the revolution speed.

The invention relates to the field of engineering, in particular to an automatic snow shoveling and loading device. The functions of automatic snow collecting and truck loading can be achieved, the ice shaving function can be achieved, the position of the motor is changed, and the ice shaving and truck loading speed can be adjusted; and the automatic compaction height can be adjusted by adjustingthe height of the lifter. The device comprises a snow collecting device; a compaction device; an icebreaking device; and a belt which changes the rotating speed of the first rotating wheel, so that the snow collecting speed is changed, the snow collecting speed can be increased on the road surface with much blood and snow, the snow collecting speed can be decreased on the road surface with littlesnow, energy is saved, and variability is improved. The initial position of the compaction plate is changed, so that the snow compaction effect is changed; the rotating speed of the rotating wheel IIIis changed, so that the rotating speed of the functional rod is changed, the movement speed of the ice breaking head is changed, the ice breaking and snow hardening speed is changed, the speed can beincreased on a road with more ice, the speed can be reduced on a road with less ice, energy is saved, and variability is improved.

The invention discloses a one-way rotation damping bracket. The one-way rotation damping bracket comprises a support outer frame, a support inner frame and a damping mechanism; the support outer frame includes a support outer cylinder, and an annular support top plate fixed at the top of the inner wall of the support outer cylinder; the support inner frame includes a support inner cylinder, and an annular support baseplate fixed at the bottom of the outer wall of the support inner cylinder; the support outer cylinder, the support top plate, the support inner cylinder and the support baseplate surround an annular closed cavity; the support baseplate is provided with a damping oil inlet hole and a damping oil discharge hole; damping oil is filled in the annular closed cavity; the damping mechanism includes multiple damping paddles; the multiple damping paddles are fixed in the annular closed cavity, and are arranged in the peripheral direction; the length direction of the damping paddles is perpendicular to the support baseplate; and the multiple damping paddles are dipped in the damping oil. The one-way rotation damping bracket has the following advantages: a certain rotating damping is provided by using the moving damping of the damping paddles in the annular closed cavity, so that the shake caused by sudden stop after rotation of a stepper motor is effectively prevented.

The invention discloses a dissolving and stirring mechanism for a feed unit of a biochemical analyzer, which comprises an upper disk carrier plate and a lower layer disc carrier plate, a mandrel is installed at the center of the two through a bearing assembly, and a series of There are through holes through which the drum parts are installed through the shaft sleeves. The outer side of each drum part is covered with inherent edge gears, and the central gear is fixed on the mandrel. The central gear meshes with each edge gear and is located A driven gear is arranged on the lower part of the plate or its edge, and a rotary drive motor is installed on the base, and a driving gear is installed on the rotating shaft of the rotary drive motor, and the driving gear meshes with the driven gear. The present invention can realize that the corresponding reagent container parts located on the edge of the upper disc support plate and the lower disc support plate can also rotate while revolving, realize the self-rotation mixing and agitation effect of a single reagent container part through the rotation, and realize the revolution by changing the revolution rate mixing effect.