86results about How to "Help to collect" patented technology

The invention relates to a system and a method for human body movement identification of a combined sensor. The system comprises a power supply module, a data acquisition module, a signal processing module, a micro-controller module, a wireless communication module and a movement analysis machine, wherein the power supply module is used for supporting the normal working of the system, the data acquisition module is used for acquiring human body movement signals and is composed of an inertia sensor which is horizontally placed on the front portion of the waist of a human body and a flexible sensor which is placed on the elbow and the knee of the human body, the signal processing module is used for processing data signals and is respectively connected with the inertial sensor and the flexible sensor through leads, the micro-controller module is used for controlling and coordinating the entire system, the wireless communication module is used for transmitting data to the movement analysis machine, and the movement analysis machine is used for movement contrast and is a computer with a built-in movement identification model. The method is the identification of six kinds of daily human movement of walking, running, jumping, falling, standing and sitting with the system. The system and the method for the human body movement identification of the combined sensor are reliable to use, can be used for obtaining movement information of human torsos, and have the advantages of being simple and convenient.

The invention discloses a slope slide calamity forecast method based on a RBF nerve network; the method comprises the following steps: building a slope slide calamity online monitoring forecast system, carrying out real time monitoring so as to obtain calamity forming factor data, using a MIV algorithm to screen the data, and using the calamity forming factor data obtained by monitoring as input variables; building a slope slide forecast model based on the RBF nerve network; inputting the calamity forming factor data into the slope slide forecast model, using the forecast model to process the inputted calamity forming factor data, thus finishing slope slide calamity forming probability prediction and forecast. The slope slide calamity forecast method based on the RBF nerve network can eliminate the influences caused by the factors irrelevant to a learning task in the inputted data on the learning performance in a data expression mode, and can keep the useful information in the learning task; the method can be applied to the slope slide calamity forecast, thus more accurately determining the slope slide calamity forming probability.

The invention discloses an intelligent preparation system and preparation method for synthesizing a quick-acting and slow-release integrated efficient ecological compound fertilizer through straw microbial fermentation. The system comprises a cutting unit, a fermentation unit, an intelligent control unit, a waste heat recovery unit, a press filtration unit, a grinding and crushing unit, a blending unit, a granulation and drying unit and a finished product sub-packaging unit, wherein the fermentation unit comprises a fermentation tank, a biogas recovery mechanism, a heating mechanism, a heat exchange mechanism, a sprinkling mechanism, an automatic feeding mechanism and a stirring mechanism. The method comprises the following steps: performing sealed fermentation on straws and animal feces; and performing water press filtration on a fermentation product, then performing high-temperature inactivation, adding an appropriate amount of inorganic quick-acting fertilizer and trace element fertilizer, rooting powder, a drought-resistant water retention agent and clay, mixing, and performing granulation and drying to obtain the compound fertilizer. By adopting the system and the method disclosed by the invention, fresh animal feces are used as a leaven which contains a lot of microorganism bacteria and digestive enzymes and can promote biological degradation and decomposition of the straws; and moreover, the animal feces are further fermented to be beneficial for opening unstable ester bonds in straw cellulose, accelerating the degradation of the straws and shortening the fermentation period.

The invention provides a mental health state evaluation method. The method comprises steps of using a machine learning method to build and train a network behavior characteristic-based mental health state evaluation model on the basis of individual network behavior characteristics and demographic characteristics of a known sample, and acquiring the network behavior characteristics and demographic characteristics of a new individual and acquiring the mental health state of the new individual according to the network behavior characteristic-based mental health state evaluation model. According to the mental health state evaluation method, influences of individual subjective factors on data acquisition can be eliminated, and mental health state evaluation can be more accurately carried out. In addition, needed individual data for mental health state evaluation acquisition can be more conveniently acquired, large-scale individual data acquisition can be carried out in a wider range, and large-scale mental health state evaluation can be realized.

The invention provides a video fill-in light method and apparatus. The method comprises the following steps: when carrying out a video chat by an intelligent device, judging whether a camera of the intelligent device requires fill-in light; and if judging that the camera requires the fill-in light, determining a fill-in light area and an image area on a display screen of the intelligent device, wherein the fill-in light area is used for carrying out fill-in light on the camera, the image area is used for displaying an image of the local end user and the image of an opposite end user, and the brightness of the fill-in light area is higher than that of the image area. Therefore, the image quality of the image of the local end user can be effectively improved without influencing the normal video call.

The invention relates to a device for recognizing a human lower limbs movement posture by virtue of a combined sensor. The device comprises a data acquisition module, a signal conditioning module, a micro-controller module and a wireless communication transmission module, and further comprises a wireless communication receiving module and a posture analyzer, wherein the data acquisition module, the signal conditioning module, the micro-controller module and the wireless communication transmission module are sequentially connected by virtue of a lead wire, and the data acquisition module is used for acquiring a human lower limbs movement posture signal, the signal conditioning module is used for processing the data signal, the micro-controller module is used for controlling and coordinating the entire system and the wireless communication transmission module is used for transmitting data; the data acquisition module, the signal conditioning module, the micro-controller module and the wireless communication transmission module are respectively connected to a power module which is used for supplying power to the modules so that the modules can work normally by virtue of lead wires; the wireless communication receiving module is used for receiving the data; and the posture analyzer is connected to the wireless communication receiving module by virtue of a data line. The device disclosed by the invention is reliable to use, and is capable of acquiring human lower limbs movement posture information; and the device has the characteristics of being concise and convenient.

The invention belongs to the field of software test and particularly relates to a test case generating method based on a modified particle swarm algorithm, comprising: introducing a learning factor with a weight function; allowing the learning factor to change in gradient increase or decrease manner correspondingly along with linear or nonlinear changes of inertial weight; balancing global searching and local mining capacities of the algorithm through the interaction of the learning factor and the weight function. Secondary search and reverse learning are introduced herein, so that solving precision can be improved and improvements are brought to population diversity and the like. A design method of a fitness function is analyzed at a test case generating module, excellence degrees of different branch nodes are considered, and more reasonable fitness function evaluation is designed.

The invention provides a method for preparing a boron nitride nanowire by cracking of a polymer. The method comprises the following steps: synthesizing a polyalkylamino borazine precursor according to the prior art: grinding the precursor under the protective condition of inert gas and screening the grinded precursor through a 1000-mesh sieve; placing the precursor powder in a graphite boat, rising the temperature to 100-200 DEG C at the speed of 3-10 DEG C / min in the presence of high-pure nitrogen in a tubular furnace, and then insulating for 1-3 hours; rising the temperature to 500-700 DEG C at the speed of 3-10 DEG / min, and then insulating for 1-3 hours; at the atmosphere of nitrogen, heating to 1000-1600 DEG C at the rising speed of 3-10 DEG C / min, then insulating for 0.5-5 hours, and then cooling along with the furnace so as to obtain the boron nitride nanowire. The diameter of the nanowire prepared by the method is about 13-18 nm and is evenly distributed, no catalyst is used, preparation temperature is low, and energy is saved, thereby reducing the cost; and the method is simple in process, is convenient for operation and is easy to achieve large scale; and as a structure reinforced material, a semiconductor material, a wave-transparent material and the like, the prepared boron nitride nanowire has a good prospect of application.

The invention discloses a special spinning and drying device for cotton yarns. The special spinning and drying device for the cotton yarns comprises an outer barrel and an inner barrel rotatably connected into the outer barrel through a rotary shaft, wherein a cover plate is arranged at the upper end of the outer barrel in a sealing way; the rotary shaft is rotatably connected to the inner bottompart of the outer barrel; a drive mechanism for driving the rotary shaft is arranged at the lower end of the outer barrel; an annular heat-insulation plate is fixedly arranged on the inner bottom partof the outer barrel in a sleeving way and is arranged on the outer side of the inner barrel in a sleeving way; an air guiding cylinder is fixedly connected to the middle of the inner bottom part of the inner barrel; and the upper end of the air guiding cylinder extends to the outer side of the annular heat-insulation plate. The special spinning and drying device for the cotton yarns provided by the invention is compact in structure; the cotton yarn can be conveniently arranged on a sleeve rod in a sleeving way; through the cooperative use of the air guiding cylinder, a first flow guiding plate and a second flow guiding plate, the drying efficiency and the quality of the cotton yarns are improved; and meanwhile, in the drying process, water vapor can be favorably collected, guided to flowand discharged, so that the occurrence of the phenomenon that the drying quality is influenced due to excessive moisture remained in the drying device is avoided.

The invention discloses a high-precision wallpaper cutting device for interior decoration design, and relates to the technical field of wallpaper cutting devices for interior decoration design. The high-precision wallpaper cutting device for interior decoration design comprises a cutting table, and a supporting frame is mounted in the middle of the top of the cutting table; supporting rods are mounted at the four corners of the bottom end of the cutting table, an air cylinder is fixed to the middle of the top end of the supporting frame, and a mounting plate is arranged in the supporting frame; and the telescopic end of the air cylinder extends into the supporting frame and is connected with the top of the mounting plate, and a cutting knife is mounted in the middle of the bottom end of the mounting plate. According to the high-precision wallpaper cutting device for interior decoration design, by arranging a pressing plate, wallpaper can be pressed, so that the cutting position of the wallpaper is smooth, cutting edges are prevented from appearing at the cutting position of the wallpaper, the cutting quality of the wallpaper is effectively improved, the rejection rate of wallpaper cutting can be reduced, then efficient and high-quality cutting of the wallpaper is achieved, and the wallpaper cutting benefit is increased.

The invention provides large-sized hollow MoS2 microspheres with surface porous structures and a preparation method and application of the microspheres. The preparation method comprises the steps thatfirstly, large-sized Cu-Fe2O3 microspheres are prepared by means of a hydrothermal method, secondly, MoS2 layered nanosheets perpendicularly grow on the surfaces of the microspheres with the microspheres as a template by means of the hydrothermal method, and finally, a template in an obtained composite material is removed by means of a corrosion etching solution etching method to obtain the large-sized hollow MoS2 microspheres. It is shown by a result of the embodiment that the large-sized hollow MoS2 microspheres can be prepared, and the size distribution is 1-30 micron; the surfaces of thehollow microspheres are provided with the porous structure assembled with the ultra-thin nanosheets, the MoS2 microspheres have the abundant pore structures, pores are mesopores and macropores with the size of 2-500 nm, and the thickness of a shell layer can be adjusted within 5-500 nm. The prepared MoS2 material is large in size, nanosheet-shaped molybdenum disulfide perpendicularly grows and isarrayed to form a three-dimensional porous structure, and the large-sized hollow MoS2 microspheres have excellent performance in the fields of catalysis, photo / electrocatalysis, adsorption, gas-sensitive induction, lubrication and the like.

The invention discloses a hair clipper with a hair collecting device. The hair clipper is characterized by comprising a body, a clipping device, the hair collecting device, a first hair retaining plate and a first silica gel strip. The clipping device is used for clipping hair and disposed at the front end of the body. The hair collecting device comprises a collecting basket, a shaft and a collecting cavity. The collecting basket is a cylinder with a rectangular cross section. The cylinder is fastened to one side wall of the clipping device through a fastener. The first opening of the cylinder aligns with the upper end of the clipping device and the bottom edge of the first opening is abutted against the clipping device. The second opening of the cylinder extends towards the tail end of the body along the body. The first opening of the collecting basket is larger than the second opening of the collecting basket. The first hair retaining plate comprises two rectangular plates which are disposed on two sides of the first opening. The first silica gel strip is dispose on the inner side of the bottom edge of the first opening. The hair clipper with the hair collecting device is capable of collecting hair with low power consumption, convenient, practical, and low in production cost.

An underground water sampling device for engineering geological investigation comprises a support and a water taking device, the water taking device is arranged on the support and can slide up and down along the support, the water taking device comprises an exploration drill bit and an exploration rod, the exploration drill bit is fixed to the lower end of the exploration rod, and the upper end of the exploration rod can slide up and down along the support; the exploration rod is a hollow rod provided with a hollow cavity, a plurality of water inlets are formed in the side wall of the end, connected with the exploration drill bit, of the exploration rod, semi-permeable membranes are fixed to the inner side walls of the water inlets, the exploration rod is driven by a first air cylinder, and a first piston rod of the first air cylinder with a cylinder body fixed to the support penetrates through the upper end of the exploration rod to be inserted into the hollow cavity; one end of a water suction pipe and one end of a water injection pipe penetrate the upper end of the exploration rod to be inserted into the hollow cavity of the exploration rod, and the other ends of the water suction pipe and the water injection pipe are connected with a water sample collecting device and a water injection device respectively. The problem that the water inlet hole is blocked can be avoided, and the water sampling efficiency is improved.

The invention discloses an intelligent control system of a vegetable planting greenhouse, and belongs to the technical field of intelligent agriculture. The system includes a main control unit, temperature and humidity monitoring units, air monitoring units, a soil monitoring unit, a monitoring camera unit, a temperature adjustment unit, a drip irrigation unit, illumination units, an alarming unitand a wireless transmitting receiver. The temperature and humidity monitoring units, the air monitoring units, the soil monitoring unit, the monitoring camera unit, the temperature adjustment unit, the drip irrigation unit, the illumination units and the alarming unit all establish connection with the wireless transmitting receiver through wireless transmitting. The wireless transmitting receiverestablishes connection with a host control system through a cable. The system improves and upgrades various existing intelligent greenhouse control systems, improves intelligence and networking of greenhouse monitoring and management, reduces operating costs, and improves production efficiency of greenhouse planting.

The invention discloses an efficient polishing device used for machining quartz crystals. The efficient polishing device comprises a shell, a polishing cavity and a polishing motor. The polishing cavity is formed in the shell. A supporting base is installed in the middle position of the bottom surface of the polishing cavity. Supporting legs are symmetrically installed on the two sides of the upper surface of the supporting base. A polishing platform is fixedly welded to the upper ends of the supporting legs. The efficient polishing device is characterized in that the polishing platform is arranged to be of a groove shape with an opening formed in the upper portion, locating bolts are installed on the two sides of the inner surface of the polishing platform, an installing base is welded tothe upper portion of the polishing motor, a buffering block is fixedly connected to the middle position of the upper surface of the installing base, a lifting rod is vertically arranged above the buffering block, the lower end of the lifting rod is fixedly connected with the buffering block, and an electrostatic adsorption net is arranged in the middle positions of the two side walls of the polishing cavity. According to the efficient polishing device, errors occurring in the manual polishing process can be avoided, smoothness and precision of polishing are ensured, meanwhile, the polishing environment can be improved, and the body health of construction staff is guaranteed.

The invention relates to the technical field of medical equipment, and provides a newborn doctor examination auxiliary device. The device includes a base, a lifting device is fixedly arranged at the back end of the base, a box body for placing the newborn is fixed at the top of the lifting device, openings are arranged at the top and the front of the box body, and a heat preservation device is arranged in the box body through a concave groove formed by an outward protrusion, the bottom surface of the inner cavity of the box body is fixed with a binding device for binding the feet of the newborn, the front end of the base is connected with a seat capable of moving back and forth in a rolling mode, and an adjusting structure for adjusting the longitudinal separation of the seat is arranged between the seat and the base. The invention is helpful for medical staff to carry out operations, convenient for fixing newborn legs and convenient for medical staff to collect samples.

The invention provides a device for treating power plant waste water, aiming at solving the technical problem of how to achieve zero emission of the power plant waste water. The device has a structurecomprising an atomizing evaporation tower provided with a flue gas distributor and an evaporation tower tank; the evaporation tower tank is provided with a flue gas outlet and an ash discharge hole;the flue gas distributor is arranged on the top or the side wall of the evaporation tower tank; the flue gas distributor comprises a flue and a flue gas guide plate; the flue is communicated with an inner cavity of the evaporation tower tank; the flue of the flue gas distributor is internally provided with a rotary atomizer mounting sleeve; the rotary atomizer mounting sleeve is internally provided with a rotary atomizer; the rotary atomizer is communicated with the inner cavity of the evaporation tower tank; a concentrating tower is provided with a waste water input interface, a concentratedwater output interface, a concentrated flue gas inlet and a concentrated flue gas outlet; the concentrated water output interface is connected with the rotary atomizer in a sealing way by means of a pipeline; the concentrated flue gas inlet and the concentrated flue gas outlet are connected with a power plant flue gas discharge pipeline. The device has the technical advantage of realizing zero emission of the power plant waste water.

The invention provides a device for treating power plant waste water, aiming at solving the technical problem of how to achieve zero emission of the power plant waste water. The device has a structurecomprising a rotary atomizer, an evaporation tower deduster, a concentrating tower and an atomizing evaporation tower; the atomizing evaporation tower is provided with a hot air distributor and an evaporation tower tank; the hot air distributor comprises an air flue and a hot air guide plate; an outlet of the air flue is communicated with an inner cavity of the evaporation tower tank; the air flue of the hot air distributor is internally provided with a rotary atomizer mounting sleeve, and the rotary atomizer mounting sleeve is internally provided with the rotary atomizer; the concentrating tower is provided with a waste water input interface, a concentrated water output interface, a concentrated flue gas inlet and a concentrated flue gas outlet; the concentrated water output interface isconnected with the rotary atomizer in a sealing way by means of a pipeline; the concentrated flue gas inlet and the concentrated flue gas outlet are connected with a power plant flue gas discharge pipeline; the evaporation tower deduster is provided with a dedusting interface and a dust-free air discharge hole; an air outlet is connected with the dedusting interface. The device has the technicaladvantage of realizing zero emission of the power plant waste water.

The invention discloses a cuttings collection trolley, which comprises a trolley body, a filter iron plate, a cuttings liquid collection box, a control valve, base roller wheels arranged below the trolley body and a trolley pushing handle fixed at the upper part on the rear side of the trolley body, wherein the cuttings liquid collection box is positioned at the bottom of the trolley body; a liquid discharge hole is formed in the lowest point of the cuttings liquid collection box; the filter iron plate is detachably and horizontally arranged in the trolley body and positioned at the top of the cuttings liquid collection box; the control valve is arranged on the outer side of the trolley body and positioned at the liquid discharge hole of the cuttings liquid collection box; and an arc-shaped opening groove is also formed in the front end of the trolley body. Therefore, cuttings and cuttings liquid can be effectively separated and conveniences are provided for the cuttings liquid to be collected and discharged and the cuttings to be dumped at the same time, so that the labor intensity of workers can be reduced, the pollution is reduced, and the efficiency is improved.

The invention relates to the field of physiological index detection, in particular to a capsule for monitoring the pH value of gastric acid by utilizing nuclear magnetic resonance imaging and a preparation method thereof. The capsule comprises a capsule shell and a medicine arranged in the capsule shell, the capsule shell comprises a capsule cap and a capsule body which are connected through a thread, the capsule body is provided with a medicine containing cavity, and the capsule shell is made of gel as a raw material. The capsule disclosed by the invention can be orally taken and is high in drug compliance; interference of macromolecules in gastric juice can be eliminated, and meanwhile free in-out of hydrogen protons cannot be blocked excessively; the structure is special, structural images different from surrounding tissue are displayed, and therefore signals can be collected in vivo and the capsule can be tracked; the preparation method is simple and low in production cost; and most importantly, the MRI can assist in realizing nondestructive monitoring of pH value of gastric acid.

The invention belongs to the field of garment making and particularly discloses a down collecting device. The down collecting device comprises a collecting box, a vertical plate and a conveying cylinder arranged on the upper portion of the collecting box and is characterized in that the collecting box comprises a cylinder and a screen box, the cylinder is fixedly connected to the lateral wall of the colleting box, a rotary shaft is arranged at the center inside the cylinder, a spiral blade is fixedly connected to the rotary shaft, the outer edge of the spiral blade is of a blade shape, a conveying hole allowing down to enter the screen box is formed in the outer wall on one side, close to the cylinder, of the screen box, the lateral wall, opposite to air inlets, of the screen box is provided with a connecting pipe, one end of the connecting pipe is communicated with the interior of the screen box, and the other end of the connecting pipe is communicated with the conveying cylinder; a vertical slide groove allowing the vertical plate to slide is mounted in the lateral wall of the screen box, and the vertical plate can slide vertically to block one of the air inlets or the conveyinghole. By the down collecting device, large down accumulated on vibrating screens after processing can be circulated and processed again, and down collecting can be completed.

The invention discloses a method and a device for controlling water output of a sweeping robot and the sweeping robot. The method comprises the following steps: receiving a first control instruction generated based on scale regulation operation; analyzing the first control instruction to acquire scale setting parameters representing the scale regulation operation; and generating a second control instruction for regulating the water output of the sweeping robot according to the scale setting parameters so as to control the water output according to the scale regulation operation. The device comprises a first control instruction receiving module, a first control instruction analyzing module and a second control instruction generation module. The sweeping robot comprises a memory, a processorand a computer program which is stored on the memory and can run on the processor; and when the processor executes a computer program, the method for controlling the water output of any embodiment ofthe invention can be realized. According to the method and the device for controlling the water output of the sweeping robot and the sweeping robot disclosed by the invention, dynamic and fine regulation of the water output of the sweeping robot can be realized, so that the sweeping robot can be applied to more practical usage scenarios, and can meet more practical demands of users.

The invention relates to a dust purifying assisting device and a dust purifying system and method. The assisting device comprises an accommodating cavity and an air supply device, wherein the accommodating cavity is suitable for being communicated with a dust purifier and is used for accommodating an adsorbent; the air supply device is communicated with the accommodating cavity and is used for supplying airflow to the accommodating cavity; and the adsorbent can be driven by the airflow to be mixed with to-be-purified dust-containing gas. The dust purifying system comprises the dust purifier and the dust purifying assisting device, wherein the dust purifying assisting device is communicated with the dust purifier; and dust-containing gas and adsorbent-containing airflow are mixed and then are purified by virtue of the dust purifier. According to the dust purifying assisting device and the dust purifying system, the adsorption effect of a filtering part of the purifier is improved, the back-flushing dust cleaning operation is promoted, fine dust can be relatively easily collected, the service life of a filter element is prolonged, the cost is saved, and the influence caused by the dust to the environment and air is further reduced or avoided.

The invention belongs to the technical field of sewage treatment, and discloses lung-simulated treatment equipment for polyvinyl chloride plastic regeneration cleaning sewage. The lung-simulated treatment equipment for the polyvinyl chloride plastic regeneration cleaning sewage comprises a water tank, support legs are installed at the bottom of the water tank, guide grooves are formed in the leftand right side walls in the water tank, guide blocks are slidingly connected into the two guide grooves, the bottom wall of the water tank is fixedly communicated with the water inlet end of a water outlet pipe, and a water valve is fixedly installed at the water outlet end of the water outlet pipe. According to the lung-simulated treatment equipment for the polyvinyl chloride plastic regenerationcleaning sewage, through the arrangement of lung-type purification mechanisms, the principle of lung breathing is simulated, and the sewage is quickly pumped and discharged; different from traditional filtering structures, the lung-type purification mechanisms can quickly collect polyvinyl chloride plastic particles after filtering the sewage, and the sewage is quickly collected; through the arrangement of sewage discharge pipes and sewage discharge linkage mechanisms, the sewage discharge of the lung-type purification mechanisms is facilitated, and the working efficiency of the equipment isimproved.

A mechanical vibration test teaching device mainly includes a vibration chamber, a spring pipe is installed on the upper end of the vibration chamber, a side composite vibrator and a hinged guide sleeve are installed on the spring pipe, the side composite vibrator and the hinge The guide sleeves are connected by hinges, a parameter collector is installed on the right end of the spring pipe, a swing rod is installed on the right end of the parameter collector, a frame is installed on the right end of the spring pipe, and a frame is installed on the right side of the frame. There are vertical rails. The present invention is helpful for installing springs, side compound vibration sources to manufacture instrument accessories and adjusting the position of auxiliary guiding and connecting parts according to vibration conditions. By setting vibration chambers, parameter collectors, pendulum bars, frames and vertical guide rails, it is helpful Vibration source detection and vibration source parameter collection are helpful to increase the vibration of vibration source, compound vibration manufacturing, installation auxiliary detection and guiding mobile detection components.

The invention provides a device and a method for dynamically measuring greenhouse gas emission flux of a water body, and relates to the field of environmental protection. The device comprises a box body, a floating platform, an air inlet pipe, an air outlet pipe, an air inlet pump, an air inlet pipe sampling air pump and an air outlet pipe sampling air pump. Discharge flux measurement distortion caused by excessive accumulation of greenhouse gas due to strong release of a water body in the box body is effectively avoided; the greenhouse gas released by bubbles and a water-gas interface at any time can be captured, so that the technical problem that a static buoyancy tank technology cannot synchronously realize water bubble greenhouse gas release and water-gas interface greenhouse gas exchange flux measurement can be solved; the time variability of water body greenhouse gas emission can be finely reflected, and long-time uninterrupted measurement of the water body greenhouse gas emission flux can be realized, so that uncertainty of a measurement result caused by low-frequency measurement of the water body greenhouse gas emission flux by a static buoyancy tank technology is effectively avoided, and manpower and instrument test resources can be greatly saved.