103results about How to "Accelerate" patented technology

The invention relates to a portable outdoor meter reading device, and belongs to the technical field of information transmission. The portable outdoor meter reading device comprises a rod body and a meter reading handheld device used for collecting electricity meter information of a user, wherein the handheld end of the rod body is provided with an operation button, the operation button is connected with the meter reading handheld device, the supporting end of the rod body is provided with a connecting piece, the connecting piece is connected with a shaping corrugated pipe, the end of the shaping corrugated pipe is provided with a clamping head, the meter reading handheld device is clamped by the clamping head, and the meter reading handheld device is an infrared meter reading handheld device. A portable meter reading tool is provided for meter reading operators, so that the effects of shortening the operation time and improving the meter reading success rate are achieved.

The invention discloses a grain lifting bagging machine convenient to move. The grain lifting bagging machine is mainly formed by a bottom plate, a grain scraper, a first hoister, a second hoister, a garner and a quantitative packing machine. Wheels are arranged below the bottom plate, the quantitative packing machine is arranged on the front portion of the bottom plate, and the garner is arranged on the left side of the middle portion of the bottom plate. The second hoister is arranged between the quantitative packing machine and the garner. The grain scraper is arranged on the right side of the tail of the bottom plate, and the first hoister is arranged on the left side of the tail of the bottom plate. A feeding hopper of the first hoister obliquely extends to the position below a storage hopper of the grain scraper. The storage hopper of the grain scraper is connected to the bottom plate through a rotary disc. A discharging opening of the first hoister is located above a feeding opening of the garner. A feeding opening of the second hoister is connected with a leakage opening in the bottom of the garner. A discharging opening of the second hoister is located above a feeding opening of the quantitative packing machine. A grain lifting frame of the grain scraper can be fixedly built on the quantitative packing machine after rotating along with the storage hopper through the rotary disc. The grain lifting bagging machine has the beneficial effects of being simple in structure, high in grain lifting efficiency, capable of achieving quantitative bagging and convenient to move.

The invention provides a modulation method of an asymmetric ferroelectric tunnel junction multi-value storage unit, a corresponding storage unit and a memory. The multi-value storage unit comprises Nferroelectric functional layers; the N ferroelectric functional layers have different coercive field values so that the N ferroelectric functional layers still show different residual polarization differences after first excitation is applied, and the multi-value storage unit shows 2N tunneling resistance states under action of second excitation; and the N is an integer greater than or equal to 2,and the first excitation comprises effects of changing a size of driving excitation anda direction of the driving excitation. The asymmetric ferroelectric tunnel junction multi-value storage unit hascharacteristics of non-volatility and low reading power consumption; and meanwhile, multiple different storage states can be realized in one storage unit so that astorage density and a unit storage capacity are greatly improved.

The invention relates to a preparation method of a vacuum centrifugal TiAl intermetallic compound plate, comprising the following steps: S1, smelting: smelting pure Ti and pure Al into a TiAl alloy melt; S2, centrifugal casting: pouring the TiAl alloy melt into a centrifugal In the casting mold of the casting equipment, the alloy melt is constrained to form under the action of centrifugal force to obtain a TiAl alloy cast tube billet; S3, cutting: cutting the TiAl alloy cast tube billet to obtain a TiAl alloy billet; S4, pressing and forming: The TiAl alloy billet is pressed and surface treated to obtain a TiAl alloy slab. The invention adopts the method of vacuum centrifugal casting, so that the liquid TiAl alloy melt can be directly and rapidly condensed to form a tube blank, and then the structure and size are effectively controlled by pressing forming, and a TiAl alloy slab that can be directly used or suitable for thermal deformation processing is prepared. The realization of low-cost, short-process and large-scale manufacturing broadens the industrial application of TiAl alloy plates.

A tin body suction type water draining device for a canning water control machine comprises a tin conveying mechanism, a water draining mechanism and a controller, wherein the water draining mechanism is longitudinally connected with the tin conveying mechanism; a conveying chain is arranged on a support seat of the tin conveying mechanism; the top end of a rotary swing arm of the water draining mechanism is connected with a tin suction device in parallel with the conveying chain; water draining holes are distributed on the front panel of the tin suction device; an electromagnetic suction cup is arranged on a side panel; and the controller controls the magnetizing and demagnetizing of the electromagnetic suction cup according to the swinging of the rotary swing arm and the conveying speed of the conveying chain. The tin body suction type water draining device can automatically suck the tin body, place the tin body upside down and drain water by utilizing the electromagnetic induction principle, so that the speed is high, and the benefit is high.

The invention discloses a comprehensive hydraulic cylinder performance testing system. The comprehensive hydraulic cylinder performance testing system is characterized by comprising a proportional hydraulic system, an electrical control system and a hydraulic loading rack; the proportion hydraulic system comprises a proportional amplifier, an electrical-mechanical converter, a hydraulic amplifier and a detection feedback mechanism; the electric control system comprises an industrial personal computer, a data acquisition card, a sensor and a valve-part electrical component; the hydraulic loading rack is of a horizontal parallel structure, a loading cylinder and a tested cylinder are parallelly arranged on two sides of the rack, and the middle of the rack is supported to rotate through a shaft. A simulation model of an electrohydraulic proportional system is established by adopting AMESim and Matlab/Simulink, and simulation is performed from pressure control and flow control respectively. The loading rack adopts the horizontal parallel structure, space for the site can be saved, and actual working conditions of the hydraulic cylinder can be well simulated.

The invention discloses a ground charging and conveying system of a vehicle-mounted integrated soil remediation device. The ground charging and conveying system comprises a feeding device and belt conveying systems; the feeding device comprises a vibratory feeder, a crusher and a separatory funnel; the separatory funnel is located below the vibratory feeder; the crusher is located in front of the vibratory feeder; an outlet of the vibratory feeder and an outlet of the crusher are connected with the separatory funnel; a plurality of outlets are formed in the lower part of the separatory funnel; each outlet corresponds to one belt conveying system; and an outlet of each belt conveying system corresponds to one soil remediation device. With the adoption of the ground charging and conveying system, the multiple soil remediation devices can be placed together to work, thus the speed of soil remediation is raised substantially. To-be-treated soil is pretreated in a conveying stage before the treatment on the to-be-treated soil, thus the equipment utilization ratio is raised substantially. The to-be-treated soil is subjected to centralized pretreatment, and the one-to-many device function is realized. Various parts in ground charging and conveying system are standard parts, thus the maintenance and replacement are facilitated.

The invention discloses a funnel-shaped crystallizer copper plate mould of a continuous casting sheet billet. The funnel-shaped crystallizer copper plate mould comprises a cooling water tank, a cooling water tank surface, inlaid strips, a rib plate and a water through hole in the rib plate, wherein the front side of the cooling water tank is a funnel-shaped working face, and the back surface of the cooling water tank has a cooling function; the inlaid strips are inserted into the cooling water tank to control the section dimension of the cooling water tank; the rib plate is arranged between the cooling water tank; the inlaid strips are connected with two positioning mechanisms arranged on the upper part and the lower part of the cooling water tank surface; the inlaid strips and the cooling water tank form a water passing sectional area and are fixed through the positioning mechanisms; the cooling water tank sectional area of the high-temperature area of the copper plate mould is smaller than the area of the middle lower part; a distance between the working face of the high-temperature area of the copper plate mould and the bottom surface of the cooling water tank of the copper plate is smaller than the distance of the middle lower part; a distance between the center of the water hole of the high-temperature area of the copper plate mould and the working face of the copper plate mould is smaller than the distance of the middle lower part; therefore, the defect that water flow on a regulation screw position disorders since the area of the water tank is occupied because the regulation screw is adopted to regulate the inlaid strips is overcome, the service life of the copper plate mould is prolonged, and meanwhile, the quality of a continuous casting billet is stably improved.

The embodiment of the invention provides a video transcoding method and device, and relates to the technical field of computers, and the method comprises the steps that electronic equipment can obtaina first video file, and judges whether image processing needs to be carried out on the first video file or not after the first video file is decoded; when the first video file does not need to be subjected to image processing after decoding and the preset decoding mode of the first video file is hardware decoding, software decoding is carried out on the first video file to obtain video data information; and then, according to the second coding format, software coding is carried out on the video data information to obtain a second video file in the second coding format. Based on the scheme, the electronic equipment can perform software decoding and encoding on video files by utilizing CPU resources, and the decoding and encoding speed of the video files is improved, so that the decoding and encoding duration of the video files is shortened, and the user experience is improved.

The invention relates to the technical field of chip production, in particular to cleaning equipment for production of image sensor chips and a using method. The invention aims to solve the technical problems that a chip is troublesome to fix, and the chip is damaged by protection and high-temperature drying during cleaning. In order to solve the technical problems, the cleaning equipment for production of the image sensor chips and an adjusting method are provided, the cleaning equipment for production of the image sensor chips is composed of a working table, a hook mechanism, a fixing mechanism and a drying mechanism, the hook mechanism is arranged to facilitate chip fixation, increase the fixing speed and increase the yield, the fixing mechanism is arranged, the chips cannot be damaged due to contact and collision in the cleaning process, the drying mechanism is arranged, the image sensor chips can be dried, meanwhile, an infrared sensor can monitor the internal temperature, the temperature is adjusted and controlled through a sliding variable resistance switch, damage to the image sensor chips due to too high temperature during drying is avoided, and the chip quality can be prevented from being influenced by cleaning liquid residues through drying.

The invention discloses a portable medical kit for surgical nursing, and belongs to the technical field of medical instruments. The portable medical kit for surgical nursing comprises an external protection device, the external protection device comprises a shell, the top of the shell is movably connected with a top closing device, the top closing device comprises a convex plate and a concave plate, the convex plate and the concave plate are embedded with each other, and a switch device is installed on the side, close to the concave plate, of the convex plate. A storage device is installed in the shell, moving devices are installed on the top of the shell, the number of the moving devices is two, the two moving devices are located on the two sides of the shell correspondingly, and the moving devices are connected with the bottom of the top closing device. The medical kit solves the problem that when a common medical kit is used, time consumed for finding needed medical instruments is too long.

The invention discloses a spraying device for a water paint spraying process. The spraying device structurally comprises a movable base, wherein a suction pump, a fixing frame and a pipe collecting box are arranged on the movable base; the suction pump is connected with the left side of the upper surface of the movable base through rivets, the fixing frame is connected with the middle of the upper surface of the movable base through welding, the pipe collecting box is connected with the right side of the upper surface of the movable base through rivets, and a pipeline is arranged on the suction pump; a stirring motor, a coupler, a paint containing tank, a booster pump and a controller are arranged on the fixing frame, the stirring motor is connected with the middle of the upper end of the fixing frame through rivets, and the coupler is connected with the middle of the interior of the upper end of the fixing frame through rivets; and the paint containing tank is connected with the middle of the fixing frame through rivets, and the booster pump is connected with the upper end of the fixing frame through rivets and located on the right side of the stirring motor. According to the spraying device for the water paint spraying process, the leather pipe recovery speed is increased, the phenomenon of winding of a leather pipe when the leather pipe is not used is avoided, and the protection effect on the leather pipe is improved.

The invention discloses a satellite navigation text processing method and a GPS receiver and solves a problem of time delay of the first positioning time of the GPS receiver caused by the relatively long time for receiving a relatively complete satellite ephemeris because of the relatively long frame synchronization time consumed by a receiver for acquiring a satellite navigation text. Through the method, the satellite navigation text frame synchronization speed is improved effectively, so the satellite ephemeris analysis speed is accelerated. The method comprises steps that S1, complete frame synchronization processing on a first captured and tracked satellite is carried out; S2, word check frame alignment synchronization processing is employed for satellites which are subsequently captured and tracked; and S3, a frame word acquired after complete frame synchronization processing and word check frame alignment synchronization processing is analyzed, and the coordinate information is acquired.

The invention discloses a hydrophilic oleophobic polymer and preparation method thereof, and application thereof in humidity response oil and water separating membrane. The preparation of the hydrophilic oleophobic polymer comprises the following steps: carrying out an esterification reaction of polyvinyl alcohol and perfluorocarboxylic acid or firstly carrying out a carboxylation of polyvinyl alcohol and then a neutralization reaction of the intermediate product and perfluorotertiary amine. When the product is used, a fabric silk screen is cleaned with ultrasonic sound; 10-50 parts of hydrophilic oleophobic polymer, 50-500 parts of nanometer sol, 1-5 parts of cross-linking agents and 1-5 parts of catalysts are dispersed uniformly; the mixed liquor is dip-coated or spray-coated on the surface of the membrane, and after drying and crosslinking, the humidity response super-hydrophilic and super-oleophobic oil and water separating net membrane. According to the invention, hydrophilic groups are distributed surrounding the hydrophobic chain segment on the surface of the net membrane with humidity responsiveness, and contact angle in the air of the product to water is reduced to 0 degree from more than 90 degrees, and the contact angle in air and water of the product to oil is above 150 degrees, so the product has a low adherence characteristic of droplet. The net membrane is used for separating oil and water mixture and processing oil-containing sewage.

The invention relates to a laser marking machine with a two-axis moving platform. The laser marking machine comprises a cabinet, a computer control device, a rack, a scanning device, the moving platform, a limiting device, a mounting clamp, a laser control card, a ball screw and a rotary motor, wherein the computer control device, the rack, the scanning device, the moving platform, the limiting device, the mounting clamp, the laser control card, the ball screw and the rotary motor are arranged on the cabinet; the moving platform realizes movement through the ball screw and the rotary motor; the rotary motor, the laser control card and the computer control device are connected in sequence; the limiting device and the mounting clamp are arranged on the moving platform; and the scanning device is mounted above the mounting clamp through the rack. The laser marking machine has the beneficial effects as follows: the laser marking machine can realize large-scope marking with a small filed lens, enables a marked product to be more exquisite, and is especially suitable for large workpieces, slender rods as well as a workpiece with a plurality of separated documents, can realizes; and the laser marking machine can realize processing of a large batch of workpieces at a time, is high in processing speed and accuracy and fine in marking, increases the production benefit and meanwhile reduces the production cost.

The invention discloses a quick hot pressing oxidation pretreatment technology for a microgranular sulfide type gold ore. The quick hot pressing oxidation pretreatment technology comprises the specific steps of enabling the microgranular sulfide type gold ore to be formed into ore pulp, and regulating the pH value of the ore pulp to be less than or equal to 4.0; placing the obtained ore pulp in a hot pressing reaction kettle, enabling oxygen-containing atmosphere to be inlet into the reaction kettle, controlling the partial pressure of oxygen to be 0.01-3MPa, rising the temperature to 120-250 DEG C, enabling liquid in the kettle to generate bubbles under a stirring condition, performing oxidation treatment under the stirring condition so as to form oxidized ore pulp, and controlling the time of the oxidation treatment to be longer than or equal to 2 minutes; and performing solid-liquid separation on the obtained oxidized ore pulp so as to obtain oxidation slags and oxidation liquid, and extracting gold from the obtained oxidation slag by an existing conventional cyanidation gold-leaching technology. The technology disclosed by the invention is short in time consumption, and when the gold is extracted from the oxidation slags processed by the pretreatment technology by using a conventional cyanidation gold-leaching technology, the gold leaching and recovering rate is 89% or above.

The invention discloses an ethylene low-temperature reciprocating pump. The ethylene low-temperature reciprocating pump structurally comprises a reciprocating pump body, and a connecting bolt is arranged at the left part of the reciprocating pump body; a nut is arranged on the outer side of the connecting bolt; a piston rod is arranged at the right part of the connecting bolt; a fixed screw hole is formed in the outer side of the piston rod; a pump shell is arranged on the outer side of the reciprocating pump body; a vacuum pump is arranged at the bottom of the reciprocating pump body; a drainage connecting pipe is arranged at the top of the reciprocating pump body; a cap nut is arranged on the outer side of the drainage connecting pipe; a valve seat is arranged at the bottom of the cap nut; a floating valve is arranged on the inner side of the bottom of the valve seat; a cylinder is arranged in the reciprocating pump body; a pressure spring is arranged at the right part of the cylinder; a fastening bolt is arranged on the right side of the bottom of the cylinder; an end cover is distributed at the right part of the reciprocating pump body; and an O-shaped seal ring, a plug and a vacuum sleeve are arranged in the vacuum pump. The ethylene low-temperature reciprocating pump efficiently conveys ethylene at a low temperature and is high in efficiency.

The invention relates to a RabbitMQ message-oriented middleware-based automatic software test platform. The platform comprises a project management layer, a realization layer and a task layer, whereinthe project management layer is a layer for managing a product test/verification module in a product test stage; the realization layer is a unit for carrying out work scheduling and parallel processing on automatic test work; and the task layer is an execution end for receiving test cases by a plurality of computer terminals through a client and operating the test cases through a bottom-layer script to obtain test results. According to the platform, two-end hardware resources can be sufficiently utilized, and plenty of manpower and material resources are saved via the automatic test; and theplatform can be automatically operated for 7*24 hours, and has the effects of rapidly feeding back software defects, shortening the development period and reducing the development cost.

The invention discloses a propagation method for rapid spikelet breeding of ithocarpus polysachyus rehd. The method comprises nursery land selection and soil preparation, building of cutting orchard, management of cutting orchard, scion wood cultivation, cutting slips collection and treatment, cuttage and after-cuttage management procedure; a single high-quality nursery stock is selected, and a ridge is excavated on a seedling trench of the nursery land, and applied with organic fertilizer as the base fertilizer, and then the stock plant is planted and cultivated as the cutting orchard; a half-lignified branch after topdressing and reasonably clipping and cultivating is used as the scion wood, and the scion wood is spliced in a nutrition cup filled with matrix; a film and a blackout screen are covered to cultivate nursery stock; thus massive high-quality ithocarpus polysachyus rehd cutting seedlings are obtained. The high-quality female parent scion wood is cultivated by the cutting orchard, the propagation amount of the scion wood is big, and the propagation speed is quick; the excellent character of the female parent is kept; the scion wood is applied to cutting propagation, so as to cultivate high-quality ithocarpus polysachyus rehd seedlings; the propagation method is short in seedling time, quick in speed, high in survival rate, simple in method, and easy to operate; the propagation method has good economical benefit, social benefit and ecological benefit.

The invention relates to a sludge enhancing pretreatment method. The sludge enhancing pretreatment method comprises the following specific steps of separating sludge flocs from a supernatant liquor of an active sludge through a solid-liquid separating system, wherein the content of divalent and trivalent metal cations in the supernatant liquor is obviously reduced after the supernatant liquor is softened by a resin softener; enabling the softened supernatant liquor to enter a contact reactor; and enabling softened outlet water to be in sufficient contact with the sludge through an embedded stirring system in the contact reactor. Through repeatedly and circularly carrying out softening, the content of the metal ions in the supernatant liquor is far lower than that of the metal ions in the sludge flocs, and metal ions in extracellular polymeric substances of the sludge and even in sludge cells are impelled by the concentration gradient to migrate to an aqueous solution, so that electric charges of the sludge flocs are unbalanced; a large amount of negatively charged substances such as polysaccharides and proteins can be released into water, so that the content of dissolved organic matters is increased; therefore, the biochemical property of the sludge is improved. Meanwhile, when a large amount of organic matters are released into the water, fine sand particles adsorbed or coated in the extracellular polymeric substances are released due to disintegration of the extracellular polymeric substances and a sand removing effect is obtained.

The invention discloses a multithread concurrent data compression method based on an FT processor platform. The implementation steps include that compression parameters are obtained, a compression queue and a write queue are initialized, and a write thread is enabled; each portion of segmented compression data information is determined according to the compression parameters and is stored in the compression queue; compression threads are created according to the determined number of compression threads, each compression thread reads the corresponding segmented compression data according to the received segmented compression data information and carries out compression meta operation, and the compression result data is stored in the write queue; the write thread continuously reads the write queue and writes the compression result data into a result buffer for splicing, meanwhile the compression result data in the write queue already written into the result buffer is released, and finally, the data result after compression is obtained in the result buffer. The multithread concurrent data compression method based on the FT processor makes full use of the multi-core and multithread features of the FT processor and has the advantages of good data compression concurrency, high data compression speed, high data compression efficiency and good compatibility.

The invention discloses a current based open-circuit fault detection method for a three-phase inverter. The method comprises the steps of acquiring motor three-phase current in through a motor driving control system; performing weight processing for the cycle average value of the three-phase current and the cycle average value of an absolute value; normalizing to obtain a detection variable dn; comparing the detection variable dn with the preset threshold ki to obtain a fault indicator Dn of the three-phase inverter; positioning an inverter switching tube suffering from open-circuit fault from a fault positioning table according to the fault indicator Dn. The method is simple and easy to be carried out, and is suitably integrated to the control system.

The invention relates to an image modeling system which comprises a modeled target platform, an image acquisition device and an image processing analyzing unit, wherein the modeled target platform can be used for placing a modeled object, the image acquisition device acquires and stores pictures or videos of the modeled target, the image processing analyzing unit processes and analyzes the pictures or the videos, and the image acquisition device is connected with the image processing analyzing unit. According to the image modeling system, a plurality of cameras are simultaneously utilized to acquire the pictures and the videos of variation of a modeled target at different angles and under different illuminations, and model parameters are extracted. The image modeling system has the advantages of being high in speed, targeted, low in cost, high in precision and small in splicing accumulation error. The image modeling system can also be used for scanning a modeled target with special feature points, data analyzing and processing are simple, fast and convenient, a scanned image has color features, and saw teeth caused by triangular mapping in a later period are avoided.

The invention discloses a quick separation-qualitative method of chemical reaction products. The quick separation-qualitative method of the chemical reaction products includes the steps that a paper centrifuge is prepared, loading samples of quartz capillary chromatographic columns and chromatographic columns are filled, double sided adhesive tape is fixed to a radius of the paper centrifuge, a developing agent is added dropwise to the chromatographic columns after the samples are loaded through a pipette, and only the type of the developing agent requires to be changed to achieve the quick separation-qualitative operation of to-be-separated substances on the chromatographic columns at the same time; and wooden tips are pulled repeatedly from left to right to enable circular paper sheets to rotate rapidly back and forth, the centrifugal effect is achieved, a chromatographic effluent flows to absorbent cotton, after the developing agent in the absorbent cotton is completely evaporated,the structure of the chromatographic effluent is detected in real time using a portable Raman spectrometer for nature determining. According to the quick separation-qualitative method of the chemicalreaction products, the low-cost paper centrifuge is adopted to perform centrifugation, the speed of chromatographic separation is significantly accelerated, time of chromatographic separation is shortened, the chromatographic effluent is subjected to real-time high-sensitivity SERS detection by the portable Raman spectrometer for the qualitative operation, and the number of required samples is minimal, and trace components can be detected and subjected to the qualitative operation.

The invention provides a redundancy system, a redundancy management method and a readable storage medium. The redundancy system comprises a first redundancy equipment and at least one second redundancy equipment. The first redundancy equipment comprises a first controller and a first programmable module; the first controller is connected with the first programmable module through a communication interface; the first programmable module performs data transmission with the at least one second redundancy equipment and a downlink execution unit through at least one redundancy bus; wherein at least two kinds of data are respectively transmitted between the first programmable module and the at least one second redundancy equipment and between the first programmable module and the downlink execution unit through the same redundancy bus in different time periods. The programmable module serves as a function extension peripheral of the controller, the data processing speed and the system flexibility can be improved, in addition, at least two kinds of data are transmitted in different time periods through the same redundancy bus, the bus utilization rate can be improved, and the wiring complexity is simplified.

Equipment of improving card silver quality through a net supporting plate to guide electrostatic spinning comprises an upper roller, a lower roller, a horn mouth and a cotton net. One side of the cotton net penetrates in from a gap in front of the upper or lower roller while the other side of the same penetrates out from the horn mouth, a net supporting plate with a guide air hole is arranged below the cotton net, a transverse fixing rod mounted with multiple electrostatic spinning nozzles is suspended above the cotton net, and two ends of the transverse fixing rod are connected with a vertical adjusting device with a longitudinal moving device arranged at the bottom. When the equipment is in use, the electrostatic spinning nozzles spray electrostatic spinning to realize stacking on the cotton net, the electrostatic spinning is electroconductive nanofiber containing polyaniline, multi-wall carbon nanotube or graphene, height of the nozzles and gaps between the nozzles and the lower roller are adjusted through the vertical adjusting device and the longitudinal moving device, and the guide air hole finishes electrostatic spinning through wind powder to improve uniformity. Due to the design, the phenomenon of static electricity can be solved, card silver quality and subsequent processing are unaffected, and the equipment is high in adjustability, environment-friendliness and static electricity removing efficiency and quite low in cost.

The invention discloses a distributed wave recording synchronization method, which comprises the following steps: obtaining a reference wave recording curve and a to-be-synchronized wave recording curve; obtaining a domain of definition according to the reference wave recording curve and the to-be-synchronized wave recording curve; obtaining a continuous matching function according to the domain of definition and the least square method; obtaining an optimal matching time of the continuous matching function according to a simulated annealing algorithm based on global pre-traversal so as to reduce computing complexity, increase the speed of searching for an optimal value and quickly realize obtaining of the optimal matching time while the precision is guaranteed, performing discretization on the continuous matching function according to a discrete integral formula, and obtaining a discrete matching function; and realizing synchronization of the reference wave recording curve and the to-be-synchronized wave recording curve according to the optimal matching time and the discrete matching function. The discrete matching function is computed with the least computation and space occupation, and synchronization of curves different in sampling frequency and time length is finally realized.

The invention relates to a hot-pressing hydrocarbon-generating simulation kettle, which relates to the technical field of simulation experiment devices, and is used for solving the technical problemsthat the equipment existing in the prior art is bulky and inconvenient in leak detection and maintenance. The hot-pressing hydrocarbon-generating simulation kettle comprises a reaction kettle used foraccommodating a rock sample, wherein one end of the reaction kettle is provided with an outer piston rod and an inner piston rod. Since the inner piston rod and the outer piston rod move in the samedirection, namely, the inner piston rod and the outer piston rod apply pressure to the reaction kettle in the same direction, so that the operation and detection speed is faster and the efficiency ishigher, thereby being more conductive to leak detection and maintenance. In addition, since the inner piston rod is arranged inside the outer piston rod, the entire hot-pressing hydrocarbon-generatingsimulation kettle can be more miniaturized.

The invention discloses a frost heave prevention pile and a construction method. At present, according to pile foundations used in buildings in north cold regions, in order to prevent the pile from moving upward or destroying under the action of tangential frost heave force, the conventional solution is to increase the length of the pile to increase the pulling-out resistance of the pile, so thatthe length of the pile and the length of reinforcement are relatively large, and the project cost is relatively high. The frost heave prevention pile comprises a prefabricated pile (2), the upper portion of the prefabricated pile is surrounded by a frost heave prevention circular layer, and the frost heave prevention circular layer is composed o frost heave prevention materials (3). The frost heave prevention pile and the construction method are applied to pile foundation construction in the cold field construction field.

The invention discloses a tripod, which comprises a central plate and three supporting legs, wherein the supporting legs are sleeved and connected by a plurality of pipe fittings, and the supporting legs gradually become thick from upper to lower. The tripod can increase speed of stretching and withdrawing legs fully by using dead weight of paratelum pipes of legs through a design result of inverted thickness, further enables diameter of the central plate to be greatly reduced, can completely easily meet functions and demands of symmetrical appearance, can be excellent in overall effect, also can greatly lower centre of gravity in use, and is more steady after being provided with a camera.