65results about How to "Good handling" patented technology

The invention relates to a preparation method for making lithium ion battery cathode materials of LiFePO4 / C by using the reducing agent and inorganic salts of iron source, phosphorus source, lithium source, carbon source and so on as raw materials. Adopt the combining method of sol-gel and microwave treatment and prepare ultrafine particles of LiFePO4 and carbon coat the particles at the same time. On this basis, change the property of LiFePO4 / C by metal doping of Cr3 plus , Co3 plus . By processing with industrial microwave oven of high power, the invention shortens processing time greatly, increases the yield remarkably, reduces material cost and energy loss, simplifies the processes, improves the efficiency of industrial production of lithium ion battery and is convenient for implementation in industry. Take it as cathode materials of lithium ion battery with high-rate discharge. The invention raises conductivity of lithium iron phosphate and at the same time improves charge discharge capacity and cycle numbers by carbon coating and metal element doping.

The invention discloses a dynamic detection and execution method of a program loop code based on an instruction queue. The dynamic detection and execution method comprises the implementation steps as follows: 1) instructions are taken from an instruction cache and stored in the instruction queue; the instructions stored in the instruction queue are sent to functional components for execution; when the execution instructions branch instructions and execution results are skip, skip directions and skip object distances are acquired; if the skip is backward and the skip object distances are within the length of the instruction queue, the next step is executed; 2) instructions corresponding to the program loop code are taken out from the instruction cache and filled in the instruction queue; and 3) the instruction cache is bypast, the instructions are taken out from the instruction queue and executed, and the working state of the instruction cache is restored after all the instructions of the program loop code are executed. The method has the advantages that the execution efficiency is high, the processing property is good, the execution power consumption is low, the hardware cost is low, the nesting loop is supported, the compatibility is strong, and the extendibility is good.

The invention discloses a method of transmitting data. The method comprises the following steps that: if downlink data is transmitted, a master control node shunts the downlink data on a radio link control (RLC) sublayer to obtain a shunt data packet, and the shunt data packet is transmitted to a corresponding shunt node; the received shunt data packet is processed by the shunt node, and the processed data packet is transmitted to corresponding user equipment (UE); and if uplink data is transmitted, the master control node transmits the data packet transmitted by the shunt node and the data packet transmitted by the UE to a core network after the data packet transmitted by the shunt node and the data packet transmitted by the UE are converged. The invention further discloses a system of transmitting data, by adopting the method and the system, more optimized service, higher bandwidth and better performance can be provided for a mobile communication system.

The invention discloses a controllable subsurface artificial wetland sewage treatment system with inflowing at the two ends periodically and alternately and a treatment technology thereof. The system comprises a wetland inlet water distribution area, a wetland body part and a wetland outlet water collection area, wherein the water distribution area and the water collection area are positioned at the two ends of the whole system and form a symmetrical structure; the wetland body part is positioned between the wetland inlet water distribution area and the wetland outlet water collection area. Water inlet pipes are embedded in the upper parts of the walls on the side surfaces of the wetland inlet water distribution area and the wetland outlet water collection area, and more than two lines of water out pipes which are parallel with one another are embedded in the walls below the water inlet pipes. The wetland body part comprises a wetland matrix padding positioned at the bottom of the body part and economic plants planted on the wetland matrix padding. The sewage treatment system improves the growth conditions with obvious difference caused by uneven concentrations of nutrients of the plants at the front end and the rear end of a wetland in the traditional wetland system by periodically changing wetland water inlet points, and obtains good economic benefit while realizing the recycling of nitrogen and phosphorus in sewage.

The invention relates to a bionic flexible drive robot based on magnetic repulsive force. The bionic flexible drive robot based on the magnetic repulsive force comprises three parts including an end effector, a spine-tendon and a drive mechanism. The spine-tendon comprises a plurality of base joints capable of being relatively expanded and compressed, the radial sizes of the base joints are different, and the base joints with the slightly small sizes are installed in the base joints with the slightly large sizes. Each base joint is provided with a plurality of guiding discs provided with circular permanent magnets. The permanent magnets are arranged in a pole corresponding manner and are used for providing the magnetic repulsive force, and therefore the guiding discs on the base joints different in length are evenly distributed in the axial direction. Flexible cables are evenly distributed around each base joint and used for driving the base joint to conduct the arc movement while the bending radius can be changed. The drive mechanism is used for controlling the expanding and compressing length of the base joints and controlling the bending movement. For every two adjacent base joints, the base joint at the far end of the drive mechanism can move along with the base joint at the near end of the drive mechanism. The robot has the beneficial effects of being large in flexibility, good in operability and high in passing ability and can enter limited and narrow space to conduct operation so as to finish tasks.

The invention discloses a multifunctional thickened oil treating agent and a preparation method thereof. The treating agent is prepared from, by weight, 15.35%-17.65% of octanol polyoxyethylene ether, 13.37%-15.54% of lauroyl diethanolamide, 12.66%-15.74% of sodium dodecyl benzene sulfonate, 21.53%-24.57% of odium nonylphenol polyoxyethylene ether sulfate, 8.62%-11.87% of fatty acid methyl ester ethoxylate sodium sulfonate, 0.005%-0.006% of cocamidopropyl betaine, 0.005%-0.006% of cocamidopropyl dimethylamine oxide, 10.00%-15.00% of n-butyl alcohol, 0.001%-0.002% of vitamin A, 0.001%-0.002% of vitamin C and 6.566%-9.037% of water. The multifunctional thickened oil treating agent is an active agent product developed on the basis of tertiary oil recovery and used for increasing the recovery efficiency of an oil field, and the agent is a chemical assistant integrating oil well profile control and displacement, viscosity reduction and coagulation reduction, oil well cleaning and plug removal, and is good in production increasing effect on thickened oil recovery; the advantages of being good in thickened oil recovery oil output increase effect and treatment performance and wide in application range are achieved, and the yield increasing and effect improving functions on multiple kinds of thickened oil and high-viscosity and hypercoagulable oil wells can be achieved by adjusting the formula.

The invention relates to a ski binding that includes an elastic buffer adapted to exert a return force on a boot when the boot heel is raised from the upper surface of the ski. The elastic buffer has a support surface adapted to come into abutment against the bottom of the sole of the ski boot, the support surface forming an angle with a plane substantially parallel to the upper surface of the ski ranging between 0° and 80°. The invention also relates to a ski in combination with the aforementioned binding.

The invention provides a self-adaptive disturbing signal processing recognition device of a wide-domain all-fibre disturbance sensor network system, which is mainly used for the pipeline monitoring of safety detection and monitoring, etc. of pipelines delivering various risky or high-value chemical products. Based on an all-fibre reflection interference distribution type sensor circuit system, a method which adopts wavelet denoising and ICA signal separation and characteristic extraction is provided, with the realization process of two contents: on the one hand, in a data signal register, mixed signals carried with various noises and disturbance information are read out, the signal pre-processing and separation thereof are carried out, the characteristic value is then extracted, a KNN recognition module is entered finally, and the type and property of the input signal are recognized; on the other hand, when the signals to be recognized are processed and recognized, the signals are input into a recognized signal register, after the recognized result analysis of the signals to be input is completed, a main controller decides whether to carry out the manpower interception to the input signals so as to determine the type and property of the input signals further.

The invention discloses synthesis of a sustained-release fertilizer by resource utilization of phosphorus wastewater. The synthesis is characterized by comprising the following steps: by taking the content of phosphorus in phosphorus-containing wastewater as a measuring standard, feeding hydrated calcium chloroaluminate according to a mole ratio, stirring to react at normal temperature while controlling the reaction time to be 8-96 hours, passing through a column at normal temperature while controlling the retaining time to be 4-24 hours, separating precipitate, directly draining off the precipitate, discharging, and drying while setting the drying time to be 4-12 hours and the drying temperature to be 80-500 DEG C, thereby preparing the sustained-release fertilizer, namely, a calcium superphosphate sustained-release agent. According to the synthesis, hydrated calcium chloroaluminate is adopted to treat the phosphorus-containing wastewater to prepare the novel high-efficiency sustained-release fertilizer, namely, the calcium superphosphate sustained-release agent, a good environment-friendly effect is achieved, the wastewater is reused, the treated phosphorus-containing wastewater can be discharged without pollution, the content of phosphorus in supernatant of the treated wastewater is about 2.0mg / L, and the removal rate can be greater than 99%.

The invention belongs to the technical field of computer control, and relates to a method for realizing on-line communication of 500 thousands of users through I / O completion port technology. The method comprises the following steps: a Socket service terminal, actually a communication service terminal of a middle ware, is built according to the IOCP (Input / Output Completion Port) technology; the maximal number of on-line socket clients supported by the Socket service terminal at the same time is Max Connection Number; a read-write memory space is distributed to each socket client, the Socket Client simulation programs are built and connected with an IOCP server for communication; a plurality of Socket Client simulation programs are opened simultaneously so as to simulate the communication between the plurality of Socket Clients and the IOCP Server; and the successful communication of each Socket Client at each time represents an online user, and the required overall time is 8-12 minutes when the 500 thousands of users are counted to be successful in communication. Therefore, the method provided by the invention has the advantages of simple technological process, reliable theory, large information processing amount, high processing speed, good performance and access time conservation, and improves the network utilization efficiency.

The invention discloses a model construction method for a wood softening effect y (namely: the axial maximum compression ratio y<1> and the transverse maximum compression ratio y<2> after hydro-thermal-microwave combined softening treatment. The method comprises the steps of: performing hydro-thermal softening treatment of woods having different densities x<1> (at different temperatures x<2> and different times x<3>) at first; then, performing microwave softening treatment of the woods (at different powers x<4> and different times x<5>); and finally, constructing a quantitative control mathematical model for the wood softening effect after hydro-thermal-microwave combined softening treatment, so that y<1>=f(x<1>,x<2>,x<3>,x<4>,x<5>) and y<2>=f(x<1>,x<2>,x<3>,x<4>,x<5>) are obtained. By means of the method, quantitative control of the wood softening effect after hydro-thermal-microwave combined softening treatment can be realized; the controllability is good; the accuracy is high; and the application range is wide.

The invention discloses an intermittent vacuum precompression device and a soft foundation treatment method of the device. The intermittent vacuum precompression device comprises vertical drainage bodies (1), direct connecting joints (2) connected with the vertical drainage body (1), connecting pipes (3) connected with the direct connecting joints (2), discharge branches (4) connected with the connecting pipe (3), a drainage collector (5) connected with the discharge branches (4), a jet pump (6) connected with the drainage collector (5), and a valve (7) mounted between the drainage collector (5) and the jet pump (6). The device can delay aggregation of clay fine particles during drainage via short-period variation of a vacuum degree in an early drainage stage, alleviate clogging of the drainage bodies due to clay particle migration under the condition of applying a constant vacuum degree and therefore delay the clogging of a drainage pipeline and a neighbouring soil body. The device can solve the problem of too early clogging of a drainage channel due to soil material migration in the existing vacuum precompression process, and has an important application value.

The invention relates to a dry feces collection breeding waste water treatment method which effectively solves the problems that the original livestock breeding waste water treatment project is high in investment and operating cost, and inconvenient to operate, residual sludge cannot be arranged properly, and secondary noise pollution is easy to generate. The method comprises the steps of filtering off large solid impurities from breeding waste water through a grid and a hydraulic screen, allowing the waste water to enter a sewage regulation tank for water quantity and water quality regulation, conveying the waste water into a UASB (upflow anaerobic sludge blanket) reactor for anaerobic treatment, dividing the waste water into a gas phase, a liquid phase and a solid phase through a three-phase separator, conveying the liquid phase into anaerobic-anoxic-aerobic equipment for denitrification and dephosphorization, allowing the waste water to enter artificial wetland to further remove a COD (chemical oxygen demand), a BOD (biochemical oxygen demand), N and P, performing ultraviolet disinfection, allowing the waste water to enter a settling tank for settling, directly discharging clearwater or using the clear water as virescence water, and conveying sludge into a plate-and-frame filter press. The method is novel and unique, easy to operate and use, low in cost and good in effect,and equipment is easy to mount.

The invention discloses an input panel which is applicable to a portable electronic device. The input panel comprises a switch plate, a touch-control plate and a gasket, wherein the switch plate comprises a circuit board and at least one dome switch; the circuit board is provided with at least one contact pad, and the dome switch is arranged on the contact pad; the touch-control plate is arranged on the switch plate and fits for inducing one touch action; and the gasket is arranged between the switch plate and the touch-control plate. When the touch-control plate is pressed, the touch-control plate is contacted with the dome switch so as to cause the dome switch to produce the elastic deformation to communicate with the contact pad.

A combined knob comprises a knob base, an annular groove is formed on the upper surface of the knob base, a transparent cover body is arranged on the knob base which is surrounded by the annular groove, the upper surface of the transparent cover body is an outer convex arc surface, the side surface of the transparent cover is extended to the outside to form a flange, thereby forming an outer step, a connecting ring is simultaneously arranged in the annular groove, an inner step which is buckled with the outer step is arranged on the connecting ring, and the connecting ring is connected with the knob base, thereby positioning the transparent cover body on the knob base. By adopting the above-mentioned structure, the combined knob can not only have beautiful visual style, but also be applicable to different devices by setting different patterns and textures; furthermore, as the transparent cover body is positioned in the middle part of the knob base, the patterns or the textures can occupy a larger proportion and be more complete, the combined knob simultaneously utilizes the role as a convex lens of the outer convex arc surface of the transparent cover body to lead the patterns or the textures to take on an amplification effect visually, and create an image of a crystal magic cube, thereby providing people with combined knobs with a greater variety.

The present invention discloses a part treatment process, which is characterized by specifically comprising: (1) normalizing; (2) annealing, wherein the annealing comprises re-crystallization annealing, destressing annealing, spheroidization annealing, and complete annealing; (3) tempering, wherein the tempering comprises low temperature tempering, medium temperature tempering, high temperature tempering, and multiple tempering; (4) quenching, wherein the quenching comprises salt bath quenching, martensite grading quenching, bainite isothermal quenching, surface quenching, and local quenching; and (5) quenching and high temperature tempering, wherein a quenching and tempering composite heat treatment process is performed. The part treatment process of the present invention has the following beneficial conditions that: the performance of the treated part is good, high hardness, high plasticity, high toughness and high wear resistance are provided, the structure defects are eliminated, and the part can work in a larger dynamic load.

The invention discloses a binocular vision measurement device for solar wing deployment locking depth detection. A laser emission device projects laser to a measurement object to form multiple light stripes on the surface of the measurement object; a visual module performs acquisition and imaging of multiline structural light to obtain two-dimensional images; a transmission module sends the two-dimensional images to a data processing module; after the data processing module finishes extraction and refinement, three-dimensional reconstruction is carried out according to calibrated CCD camera model selection, camera baseline, measurement distance, measurement range, pixel resolution, camera included angle and a relative position relation between the visual module and a projection module to obtain three-dimensional coordinates of each space point of the light stripes, the form-position relation of each element in the measurement object is calculated, and the locking depth of the measurement object is calculated and outputted.

The invention provides an ecological desilting system and a method. The ecological desilting system comprises a desilting ship used for sucking silt in a river channel; a silt discharge port of the desiltingship is connected with a grid for dry-wet separation through a silt conveying pipeline; a liquid leakage opening of the grid is communicated with a primary sedimentation tank; the primary sedimentation tank is connected with a secondary sedimentation tank; sewage outlets of the primary sedimentation tank and the secondary sedimentation tank are respectively communicated with a plurality ofconcentration tanks for sewage concentration; a drain outlet in the bottom of each concentration tank is connected with a filter press, a dry sludge discharge port of the filter press is connected with a belt conveyor, a filter pressing water outlet of the filter press is connected with the secondary sedimentation tank through a pipeline, and a discharge end of the belt conveyor is in butt joint with a garbage stacking field through transport carts. According to the ecological desilting system, without additionally increasing the engineering cost, the silt treatment efficiency is improved by improving the silt treatment process, so that the requirement on the construction period is met, and the engineering cost is greatly reduced.

The invention relates to the field of measurement technology, in particular to a vibration monitoring and diagnosing device based on oil film thickness, which is used on large rotating machines such as sliding bearings in thermal power plants, nuclear power stations, petrochemical enterprises, and the like. The vibration monitoring and diagnosing device is characterized by comprising an ARM microprocessor which is respectively connected with a signal processing circuit, a field programmable gate array (FPGA), a liquid crystal display (LCD), a secure digital (SD) storage unit, an operating keyboard, an RJ45 network port, a communication port, a FLASH memory and an random-access memory (RAM); an eight-channel vibration transducer is connected with the signal processing circuit; the signal processing circuit is connected with a signal acquisition circuit; and the signal acquisition circuit is connected with the FPGA. By using the vibration monitoring and diagnosing device, the oil film thickness, the shaft vibration amplitude, the tile vibration amplitude of the large rotating machines such as the sliding bearings, and the like can be monitored in an on-line manner, and resultant faults of vibration states of the rotating machines can be diagnosed on the basis of the oil film thickness.

The invention relates to a touch control pen, which comprises a pen holder, a pen head, a circuit board, a signal emitting unit and an elastic conductor, wherein the pen head is arranged at one end of the pen holder, the circuit board is arranged in the pen holder and is provided with a circuit layer, the signal emitting unit is arranged in the pen holder and is electrically connected with the circuit board, the elastic conductor is arranged between the pen head and the circuit board and is provided with a plurality of convex points, and the positions of the convex points correspond to the circuit layer. When the pen head pushes the elastic conductor, and any one convex point in the convex points is in contact with the circuit layer, the circuit layer is conducted by the elastic conductor, and the signal emitting unit is driven to emit a signal to a protector.

The present invention relates to the field of biotechnology, and discloses an anti-beta receptor agonist cluster-specific monoclonal antibody hybridoma cell line and a monoclonal antibody secreted bythe cell line. According to the present invention, the hybridoma cell line is prepared from salbutamol artificial antigen, and the secreted monoclonal antibody can simultaneously recognize salbutamol,clenbuterol, terbutaline, brombuterol, cimbuterol and other beta-receptor agonists, and has cluster specificity; the immunoaffinity chromatography gel prepared from the monoclonal antibody and the immunoaffinity chromatography gels of other beta-receptor agonists such as ractopamine are mixed as the machine measurement pretreatment purification reagent, a variety of clenbuterol hydrochloride components in pork, pig liver and pig urine samples can be efficiently detected by combining the machine measurement pretreatment purification reagent, HPLC-FLD and LC-MS / MS, and the high accuracy and high sensitivity can be achieved.

The invention relates to an air tightness test device, and a defect that an existing auto component air tightness test is carried out through a mode of manual submersion, the controllability is poor, and an observation result is no accurate is solved. The air tightness test device comprises a water tank and an inflation device connected to a component. The water tank is internally provided with a pressing piece for pressing the component to be submerged, and the upper part of the water tank is provided with a safety box cover which can be opened. The upper part of the water tank is provided with the safety box cover, the safety box cover covers the water tank to form a closed structure to play a role of protection, and an accident in the component test process is prevented. The water tank is internally provided with the pressing piece which presses the component downward to be submerged in water, thus the component is completely submerged, the inflation device inflates the component with air, the bubble condition around the component is observed, thus whether the air tightness of the component is qualified or not is determined, the pressing piece presses the component to be submerged, the controllability is good, the submerged component is stable, and shaking is not generated.

The invention belongs to the technical field of ships, and relates to a jet type sand dredger, which comprises pumping equipment. The pumping equipment comprises a jet type dredging device and a water pump device. The jet type dredging device comprises a fresh water pipe, a vacuum chamber, a sand feeding nozzle and a sand feeding pipe. The vacuum chamber is provided with a nozzle, a water outlet end of the fresh water pipe is connected with the nozzle, and an outlet end of the sand feeding nozzle is communicated with the vacuum chamber. The water pump device comprises at least two water pumps and starting equipment, wherein each water pump is provided with a water inlet and a water outlet, the water outlet of each water pump is connected with the water inlet end of the fresh water pipe, the water pumps are connected with the starting equipment, and the water pumps are connected in series. The jet type sand dredger is high in sand dredging quantity and has the advantages of energy conservation, environmental friendliness, high operability, reduced investment cost and reduced operational cost, and the size and the displacement tonnage of a boat of the jet type dredger can be reduced.

The invention relates to a scald apparatus for producing a scald wound model of an animal, in particular to an automatic time control and pressure regulation scald apparatus. The scald apparatus comprises a vapour generator and a vapour spray head, wherein a pressure regulating valve, a thermometer and a pressure gauge are arranged on the vapour generator; and the vapour generator is communicated with the vapour spray head by a vapour conveying pipe, an electromagnetic valve and a vapour-water discharge valve are arranged on the path of the vapour conveying pipe, the vapour-water discharge valve is arranged between the electromagnetic valve and the vapour spray head, the electromagnetic valve is in circuit connection with a time controller, and the time controller is started by a time controller switch. For further improvement, the scald apparatus also comprises a scald mould which can effectively fix the formulated scald area of the animal. Compared with the prior art, the automatic time control and pressure regulation scald apparatus of the invention can accurately regulate the scald time, and can regulate and supervise the vapour pressure at real time; and the safety performance is high, the maneuverability is good, and the surface of scald wound produced by the automatic time control and pressure regulation scald apparatus has regular boundary, uniform shape, accurate depth and good repeatability.

The invention relates to a heat and vibration composite aging treatment method adopting preheating quantity of cast iron rolls, which is characterized by adopting the preheating quantity and preheating time of the cast iron rolls to carry out vibration aging treatment on the cast iron rolls. As adopting the composite aging treatment method combining heat aging treatment and vibration aging treatment, the invention not only gives play to the advantages of high efficiency and energy saving of vibration aging treatment and the advantage of stable effects of heat aging treatment but also avoids the shortcomings of various aging treatment, thereby obtaining optimal treatment effects and economic benefits. Because the preheating quantity and preheating time of the cast iron rolls are fully utilized consciously, the residual stress reduction effect is improved on the basis of not adding energy and time of aging treatment.

The invention relates to an ecological cultivation system for a sand leaching slope water filtering pond. The system comprises a pond body, a sand leaching slope filtering structure, a water circulation pipeline, a ladder, an artificial road and an ecological ditch, wherein the pond body is provided with a pond bottom face and a pond slope face located on the peripheral side of the pond bottom face, the ladder is led from the pond bottom face to the top end of the pond slope face, the artificial road is located at the upper end of the pond edge slope face, the ecological canal is located on the outer side of the artificial road, and submerged plants and shellfish are arranged at the bottom of the canal; the sand leaching slope filtering structure is arranged at the upper portion of the partial pond slope face; the bottom of the pond body is communicated with the ecological canal through the water circulation pipeline; a controllable water level overflowing structure is arranged at the position, corresponding to the sand leaching filtering structure, of the canal wall of the ecological canal, and the water outlet end of the controllable water level overflowing structure is located above the sand leaching slope filtering structure. The system is suitable for high-density high-yield intensive culture of various feeding fish, culture of high-quality fish with the high oxygen consumption rate, cooperative culture of high-quality carnivorous fish, and culture of various special aquatic livestock, increases the yield of aquatic products, and improves the quality of aquatic products.

The invention discloses a constructed wetland-microbial fuel cell coupled treatment device and treatment method for rural domestic sewage. The treatment device comprises a grid, an adjusting tank, a water pump, a water inlet pipe, a water collecting pipe, a water outlet pipe, a return pipe, a water outlet tank, a constructed wetland and a microbial fuel cell, wherein the grid, the adjusting tank,the water pump, the water inlet pipe and the constructed wetland are sequentially connected; the multi-electrode microbial fuel cell is arranged in the constructed wetland; the water collecting pipe of the constructed wetland leads to the water outlet tank; and the bottom of the water outlet tank is connected with the water outlet pipe and the return pipe. Domestic sewage firstly enters the adjusting tank through the grid, then enters the device from the water inlet pip via the water pump, undergoes treatment under the dual action of the constructed wetland and the microbial fuel cell, and then enters the water outlet tank via the water collecting pipe, and 50% of the sewage is discharged through the water outlet pipe while the other 50% of the sewage flows back through the return pipe; the hydraulic retention time of the sewage is 1.5-2.0 days; the concentration of dissolved oxygen in a cathode region is 1.0-1.5 mg / L; and the output current of the device is more than 0.96 mA. The constructed wetland-microbial fuel cell coupled treatment device provided by the invention is simple in structure, convenient to operate and capable of effectively treating rural domestic sewage.

The invention discloses a self-adaptation treadmill or walking machine. The self-adaptation treadmill or walking machine comprises a running table, a running belt and a driving device. The running table comprises a base, a control system, a running plate and adjusting switches. The running belt is arranged on the running plate in a sleeving mode, the driving device makes contact with the running belt to drive the running belt to move, and the adjusting switches are located below the running belt, electrically connected with the control system and the driving device, embedded into the running plate or below the running plate, and used for adjusting the operation speed of the driving device. The operation speed of the treadmill or walking machine can be automatically controlled through the control system only by treading the running belt, and in this way, the self-adaptation treadmill or walking machine is more convenient and rapider to use, good in operation body feeling and high in safety coefficient, and has high practical value.

The invention provides a dinner plate allowed to be heated, wherein the dinner plate comprises a thermal insulation outer shell and an electric heating plate built in the thermal insulation outer shell. The electric heating plate performs heating through a power source, a temperature control sensor and a power interface are arranged on the electric heating plate, an interface seal cover is arranged outside the power interface, when the electric heating plate performs heating to the set temperature of the temperature control sensor through the power source, a heating circuit is disconnected, and the warm-keeping effect is achieved through the thermal insulation outer shell. The electric heating plate is built in the thermal insulation outer shell of the dinner plate, the temperature of the dinner plate is monitored in real time, when the temperature measured by the temperature control sensor is lower than a set constant temperature lower limit value, the dinner plate gets cold and needs to be started to be heated, an electric heating coil performs heating so that the temperature of the dinner plate can raise, and foods in the dinner plate can be heated and kept warm. On the contrary, if the temperature measured by the temperature control sensor is higher than a set heating upper limit value, the dinner plate stops being heated, and in this way, the heating state is adjusted through changes of the temperature of the dinner plate so that constant temperature control over the dinner plate can be achieved, and the temperature of the foods can be kept.

The invention relates to engine oil-resistant low-pressure-change addition type liquid fluorosilicone rubber and a preparation method thereof. The engine oil-resistant low-pressure-change addition type liquid fluorosilicone rubber comprises the following components in parts by weight: 100 parts of fluorosilicone base rubber; 10 to 20 parts of fumed silica; 10-20 parts of precipitated white carbon black; 1-3 parts of hydroxyl fluorosilicone oil; 2 to 5 parts of trifluoropropyl methyl cyclosilazane; 0.1 to 0.3 part of divinyl tetramethyl disilazane; 1-3 parts of distilled water; 0.1 to 0.3 part of a heat-resistant additive; 1.3 to 2.9 parts of a cross-linking agent; 0.3 to 0.6 part of a platinum catalyst; and 0.05 to 0.2 part of an inhibitor. According to the preparation method, fluorosilicone treating agents such as low-molecular-weight hydroxyl fluorosilicone oil and trifluoropropyl methyl cyclosilazane are used, the fumed silica and the precipitated silica are compounded to achieve a synergistic effect, and the specific cross-linking agent and the preparation method are matched, so that the compression set of the addition type liquid fluorosilicone rubber is greatly reduced, and the service life of the addition type liquid fluorosilicone rubber is prolonged. Even if the lubricating oil is soaked in high-temperature engine oil for a long time, the system cannot be damaged, the lower deformation rate can still be kept, and the oil pressure change resistance is very excellent.