50results about How to "Applicable collection" patented technology

The invention relates to a detection method and a detection device of grouting reinforcement effect in a tunnel, belonging to the field of tunnel engineering. The detection method of grouting reinforcement effect in the tunnel comprises the following steps: horizontally and respectively drilling the detection device into tunnel headings before and after grouting by using a drilling machine; forming an elliptical pilot tunnel in soil mass; inflating and pressurizing the measuring gas chamber of the device, and detecting the displacement of the short axis and the long axis of the elliptical pilot tunnel under the pressure at all levels; computing mechanical parameters (coefficient KO of earth pressure at rest, Poisson ratio mu and elastic modulus E) of the soil mass before and after grouting according to the elasticity theory formula; comparing the mechanical parameters of the soil mass before and after grouting; and making a conclusion of the grouting reinforcement effect according to the variation of the mechanical parameters of the soil mass before and after grouting. The core component of the detection device is the measuring gas chamber which is composed of a tubular expanded inner cavity and a rubber expanded film, and after the device is drilled into the soil mass, the displacement sensor and the pressure sensor of the measuring gas chamber are used for detecting field data. The invention has simple operation and can quickly, quantitatively and scientifically evaluate the grouting reinforcement effect.

The invention belongs to the field of cell biology, relating to a cell preserving fluid and a preparation method and use thereof. Concretely, the cell preserving fluid comprises a fixing agent, a fixing agent assistant, an anticoagulant, a cushion fluid and an ionic strength maintenance agent. The cell preserving fluid is characterized in that the content of the anticoagulant is 0.01% to 1.5%(w / w); the content of the ionic strength maintenance agent is 0.01% to 1%(w / w); and the cell preserving fluid does not contain a disulfide bond open reagent. The cell preserving fluid can effectively preserve cell DNA (deoxyribonucleic acid) and virus DNA infecting the cell, is convenient to collect the cast-off cells and extract DNA and can give attention to storage of the cell structure. The invention also relates to the preparation method and the use of the cell preserving fluid. The invention also relates to a kit and a method for detecting HPV (Human Papilloma Virus) or HPV DNA.

The invention provides a big-field-facility ganoderma lucidum cultivation and ganoderma lucidum spore powder acquisition method. The method includes that reasonable control on environmental factors is realized through facilities, a mode of setting up a spore powder collection canopy is adopted to replace an original method of independent sleeving or bagging for spore powder collection, and manpower cost is greatly saved. The spore powder collection canopy is a closed, dampproof and breathable spore powder collection environment which is formed by paper sheets or thin films or cloth (umbrella cloth), so that spore powder yield is increased, ganoderma lucidum sporocarp pilei are enabled to be smoother, and improvement of quality of ganoderma lucidum sporocarp is facilitated. The big-field-facility ganoderma lucidum cultivation and ganoderma lucidum spore powder acquisition method is simple and convenient in operation, manpower and time saving and capable of meeting requirements large-scale and high-efficiency of ganoderma lucidum cultivation and spore powder collection.

The invention provides an insulator leakage current collecting ring, which comprises a fixed clamp ring, a current collecting coil, a contact metal sheet, an electric conduction screw and a positioning screw, wherein the upper surface of the fixed clamp ring is provided with a coil mounting slot; the side face of the fixed clamp ring is provided with a mounting connector for opening or locking the fixed clamp ring; the current collecting coil is arranged in the coil mounting slot of the fixed clamp ring; the contact metal sheet is arranged below the fixed clamp ring; the electric conduction screw penetrates the fixed clamp ring from top to bottom to connect the current collecting coil with the contact metal sheet; and the positioning screw penetrates the fixed clamp ring from outside to inside. The insulator leakage current collecting ring provided by the invention has a particular open-loop design, and can be conveniently arranged on the surfaces of post insulators and suspension insulators with various different types to collect the leakage current of the surfaces of the insulators. The invention also provides an insulator leakage current collecting device. The insulator leakage current collecting ring and the insulator leakage current collecting device have the advantages of accuracy in measurement, convenience and fastness in installation and high anti-interference capacity.

The invention discloses a current type terahertz pyroelectricity detector reading circuit, and belongs to the field of terahertz detecting and imaging. The reading circuit comprises a current-voltage converter, a 50Hz trap circuit, a first-order lowpass filtering amplifying circuit and an electric potential raising module. Signals output by the terahertz pyroelectricity detector are input into the current-voltage converter so that the current signals can be converted into voltage signals; the signals output by the current-voltage converter are input into the 50Hz trap circuit so that power frequency interference can be eliminated; the signals output by the 50Hz trap circuit are input into the first-order lowpass filtering amplifying circuit so that the signals can be further amplified; the signals output by the first-order lowpass filtering amplifying circuit are input into the electric potential raising module so that a voltage can be raised and the voltage signals output by the circuit can be matched with a voltage required by a rear digital collecting circuit. The voltage signals output by the circuit are pure, and the circuit is suitable for collecting and outputting a weak current of the terahertz pyroelectricity detector.

This invention relates to a fiber transmission and arrangement method for image data of CCD camera, which combines with the CCD image fiber transmission circuit to apply point-to point fiber transmission with the serial-parallel parallel-serial circuit, when the transmission is faulty, the 8B / 10B encode circuit can test and resume it and a logic encoding device is used to generate frame, character synchronization signals and other time sequence control signals and add synchronous heads and sequence numbers on the frame data, the CCD image data are packed and transmitted to be resumed to data frame by frame at the receiving end, the fiber T-R module is used to carry-out electric-photo / photo-electric conversion to form the fiber link.

The invention belongs to the technical field of seed preservation and relates to a Dendrobium officinale seed preservation device and method. The device comprises a storage box and seed collection bottles; the seed collection bottles mounted in the storage box are used for storing Dendrobium officinale seeds. The Dendrobium officinale seeds are collected in the seed collection bottles. After mouths of the seed collection bottles are covered with bottle caps, and the outer surface, connected with the bottle cap, of each mouth is provided with a breathable seal film; the seed collection bottles are mounted in holes of bottle racks. The method includes: sterilizing tools, sterilizing capsules, collecting seeds and preserving at low temperature. The Dendrobium officinale seed preservation device and method has the advantages that the device is reasonable in structural design, the method is scientific and reliable, preservation time is long, survival rate is high, the requirements of Dendrobium officinale for perennial tissue culture can be met, and the device and method is applicable to collection and storage of like seeds.

The invention discloses a non-contact type human body height measuring method based on optical imaging and relates to the field of human body height measurement. The method comprises the following steps that a light sensing surface carries out photoelectric conversion on images of the human body or a reference substance formed through an optical lens, then, the analog-to-digital conversion is carried out, the obtained digital signals are transmitted to a central processor to be calculated, the central processor reads the distance between the human body and the optical lens measured by a distance measuring instrument, in addition, the distance from the top point of the human body image to the top point of the reference substance is analyzed and calculated in the collected image, and the actual body height of the human body is calculated through being combined with parameters obtained in the calibration process. The image of the measured people is obtained through the non-contact optical lens and is compared with the preset reference substance image to obtain the distance difference between the two images, the body height of the measured people can be obtained through a series of arithmetical operation, the non-contact measurement mode is flexible, and the speed is higher.

The invention belongs to the technical field of automatic loading-unloading vehicles for bulk materials and discloses an automatic loading-unloading environment-friendly electric cleaning and transporting vehicle which comprises a traveling chassis, a continuous aggregate transferring device is arranged on the front portion of the traveling chassis, an automatic unloading compartment component is arranged on the rear portion of the traveling chassis, the continuous aggregate transferring device comprises a support, a transferring barrel and an aggregate tank, a lifting hydraulic oil cylinder is arranged between the transferring barrel and the traveling chassis, a lifting feeding mechanism is arranged in the transferring barrel in a matched manner, an aggregate rotating shaft, a forward aggregate spiral and a reverse aggregate spiral are arranged on the aggregate tank, the automatic-unloading component comprises a compartment, a compartment middle and an automatic-unloading hydraulic oil cylinder pin-connected with the traveling chassis, and a discharging port at the upper end of the transferring barrel corresponds to a receiving port of the compartment. The automatic loading-unloading environment-friendly electric cleaning and transporting vehicle realizes four major functions including automatic traveling, continuous fetching, automatic transporting and automatic unloading, labor intensity of workers is lowered greatly, labor cost is saved, working efficiency is improved, and production operation environment is improved.

The invention relates to a distributed data acquisition and transmission device for a high-resolution multi-mode intelligent sensing device. The distributed data acquisition and transmission device is composed of two parts: a plurality of extensible sub-modules and a hub; each sub-module includes a plurality of AD modules and a plurality of AD interfaces, PSOC control modules and USB interfaces, wherein analogue signals of a sensor are converted into digital signals by the plurality of AD modules, the plurality of AD interfaces are used for acquiring different-mode sensor signals through different interface protocols so that data can be transmitted to the PSOC control modules; the PSOC control modules are a programmable system on chip from Cypress Company; sensor data is transmitted to the hub by the USB interfaces; all sub-modules are connected with the USB hub through USB interfaces; an upper computer can select corresponding sub-modules to realize polling uploading of data and to display and store the received data through the USB hub. The data acquisition and transmission device has the advantages of quick transmission speed, small volume and high transmission steadiness and can automatically acquire data on time, and thus the data acquisition and transmission device is applied to features such as multi-mode transmission with high data volume.

The invention provides a pollen collecting method for tobacco hybrid seed production, and belongs to the technical field of the tobacco improved variety breeding. The method comprises the following steps: picking flowers that the growth stages are consistent, the corollas will be opened, and the top ends are light red and inflated in the male parent field, threshing by using an anther thresher, separating the anther from the impurities, such as filaments, stigmas and petals by using 20 meshes of a fine sieve, collecting the anther, placing in a constant temperature drying cabinet and drying, taking the anthers after the anther is completely cracked and the pollen is completely dispersed, separating the pollen from pollen sac by using 60 meshes of a sample sieve, collecting the pollen, loading in a wild-mouth bottle, and placing in a dryer loaded with a drying agent, storing in a freezer for future use in low temperature. The pollen collecting method is capable of reducing the male and female parent planting proportion, solving the problem that the flowering phases of the male and female parents in the tobacco hybrid seed production are asynchronous, reducing the labor force for the tobacco hybrid seed production, reducing the cost of the hybrid seed production, and improving the efficiency of the hybrid seed production.

The invention relates to a method for collecting single-horned sumac gallnut migratory flight aphids through a mobile collecting device. The method comprises the steps of selection of a single-horned sumac gallnut migratory flight aphid collection place, placement of moss or sumac gallnuts, collection of migratory flight single-horned sumac gallnuts, bagging of the migratory flight single-horned sumac gallnuts, moss vaccination and the like. By building a mobile single-horned sumac gallnut migratory flight aphid device, a shading black cloth can shield light in the left, right and rear directions, migratory flight aphids migrate and fly to lamp light in front of the collecting device in a concentrated mode, then run into a transparent plastic cover and fall into a collector on the lower portion, and therefore concentrated collection is facilitated. The method is designed based on the biological habit and migratory flight influencing factors of single-horned sumac gallnut migratory flight aphids, has the advantages of being scientific in design, solid, durable, ventilative, resistant to wind, capable of blocking light and rain, convenient to move, high in efficiency and the like, provides stable and good migratory flight conditions for single-horned sumac gallnut migratory flight aphids, facilitates rapid, safe and unified migratory flight of single-horned sumac gallnut migratory flight aphids, facilitates concentrated collection, improves the migratory flight success rate, and lays the foundation for improving the single-horned sumac gallnut yield.

The invention belongs to the field of cell biology, relating to a cell preserving fluid and a preparation method and use thereof. Concretely, the cell preserving fluid comprises a fixing agent, a fixing agent assistant, an anticoagulant, a cushion fluid and an ionic strength maintenance agent. The cell preserving fluid is characterized in that the content of the anticoagulant is 0.01% to 1.5%(w / w); the content of the ionic strength maintenance agent is 0.01% to 1%(w / w); and the cell preserving fluid does not contain a disulfide bond open reagent. The cell preserving fluid can effectively preserve cell DNA (deoxyribonucleic acid) and virus DNA infecting the cell, is convenient to collect the cast-off cells and extract DNA and can give attention to storage of the cell structure. The invention also relates to the preparation method and the use of the cell preserving fluid. The invention also relates to a kit and a method for detecting HPV (Human Papilloma Virus) or HPV DNA.

The invention discloses a portable fish larvae fluorescent capture device, which comprises a floater, a top plate, a main container, a fluorescent rod, a fluorescent rod protective tube, a bottom plate, a hopper, weights and a nylon rope, wherein same corner holes are dilled at corresponding corners of the floater and the top plate; the floater and the top plate are connected through the nylon rope; the center of the top plate is drilled to form a fluorescent rod protective tube inserting hole; the upper end of an organic glass cylinder is adhered below the top plate and the lower end of the organic glass cylinder is adhered on the bottom plate; gaps are reserved between adjacent cylinders; soft pricker bars are adhered along edges of the gaps; any two opposite angles of the bottom plate are drilled to form weight connecting holes; the upper end of the external threads of the hopper is adhered to the periphery of a center hole of the bottom plate on the lower part of the bottom plate;and the lower end of the internal threads of the hopper is plugged by a hopper plug covered with a mesh to seal the bottom. The capture device is reasonable in structure, easy to manufacture, low in cost and convenient to use, and is particularly suitable for collecting fish larvae in different water depths and complicated aquatic habitat water during scientific research.

The invention relates to an analog-digital conversion device and particularly relates to an analog-digital conversion device which is capable of programming regulating voltage reference and gain accuracy. The analog-digital conversion device comprises a data processing module, an analog acquisition module, a voltage reference upper limit module, a voltage reference lower limit module, a communication interface module, a display module, a power source module, a clock module and a resetting module. Compared with analog-digital conversion devices with same resolution digits, the analog-digital conversion device provides programmable voltage reference upper limit Vref+ and voltage reference lower limit Vref-, so that an analog-digital conversion chip of the device is higher in resolution, and conversion accuracy is higher; and simultaneously, the analog-digital conversion chip which can program gain is used, so that the analog-digital conversion device is more suitable for collecting small voltage signals.

The invention relates to a raw milk somatic cell detection cuvette and a preparation method thereof. A detection block is arranged at the bottom of the cuvette and comprises a core material and a wall material; the core material comprises the following components in part by weight: 1-12 parts of aromatic ester, 1-18 parts of diazonium salt and 0.1-1.6 parts of solubilization and sensitization agent, the components are dissolved with water, and the pH of solution is adjusted to be 8.0 by using buffer solution with a concentration of 0.1 mol / L to obtain core material solution; and the wall material comprises the following components in part by weight: 5-10 parts of casein, 15-30 parts of soy protein or whey protein and 20-50 parts of lactose or cane sugar, and the components are dissolved with water to obtain wall material solution. The preparation method comprises the following steps of: mixing the core material solution with the wall material solution according to 1:1, taking and injecting 0.15-0.25 mL of mixed solution into the cuvette, sealing with a film, pricking a hole in the film and obtaining raw milk somatic cell detection cuvette through freezing, drying and light-shielding. The raw milk somatic cell detection cuvette and the preparation method thereof have the advantage that somatic cells in raw milk can be quickly and conveniently detected.

The invention discloses an environment-friendly backboard eraser. The environment-friendly backboard eraser comprises a blackboard eraser body. An erasing plate is arranged on the blackboard eraser body. Erasing bristles are arranged on the front face of the erasing plate. A dust sucking device, a circuit board and a storage battery are installed in the blackboard eraser body. The dust sucking device is connected with the circuit board through a wire. The side edge of the blackboard eraser body is provided with a starting switch, an electric quantity display lamp and a charging port, all of which are connected with the circuit board. The circuit board is electrically connected with the storage battery through a wire. A dust storing box is installed on one side of the dust sucking device. The dust storing box is fixed in the blackboard eraser body. A dust sucking opening is formed in the erasing plate. The dust sucking opening communicates with the dust storing box through the dust sucking device. The dust sucking device can be opened while the blackboard eraser is used, the effect of reducing dust is achieved, the teaching environmental is kept sanitary, and diseases of the respiratory system due to flying of dust are avoided.

The invention discloses a non-contact type human body height measuring method based on optical imaging and relates to the field of human body height measurement. The method comprises the following steps that a light sensing surface carries out photoelectric conversion on images of the human body or a reference substance formed through an optical lens, then, the analog-to-digital conversion is carried out, the obtained digital signals are transmitted to a central processor to be calculated, the central processor reads the distance between the human body and the optical lens measured by a distance measuring instrument, in addition, the distance from the top point of the human body image to the top point of the reference substance is analyzed and calculated in the collected image, and the actual body height of the human body is calculated through being combined with parameters obtained in the calibration process. The image of the measured people is obtained through the non-contact optical lens and is compared with the preset reference substance image to obtain the distance difference between the two images, the body height of the measured people can be obtained through a series of arithmetical operation, the non-contact measurement mode is flexible, and the speed is higher.

The invention provides a sparse linear array antenna, and relates to the field of wireless communication. The sparse linear array antenna comprises a plurality of array elements which are distributedin a given array aperture in a non-uniform mode, the parameter optimal values of the array element number, the array element positions and the array element excitation of the array can be obtained according to the given directional diagram index requirements, and the final structure of a sparse linear array antenna is determined according to the parameter optimal values. According to the sparse linear array antenna, a compressed sensing model which only optimizes sparse excitation is revised into a generalized compressed sensing model which simultaneously optimizes the array element position and the sparse excitation by combining a parameter learning theory and a sparse recovery theory, so that the array comprehensive problem can be effectively solved by adopting the existing alternative optimization algorithm, the grid quantity and the mismatch error caused by grid division are effectively reduced, and the sparse linear array antenna can be suitable for the synthesis of various shapedbeams while the array element quantity is saved by optimizing the array element number, the array element positions and the array element excitation.

The invention discloses a method and a device for generating power by utilizing waste gas of a matrix-type charcoal kiln, wherein the method comprises the steps of: adopting a three-dimensional kiln body and arranging channel groups which are arranged according to matrixes and are provided with two arrays and more than two layers in the kiln body, wherein each channel group is provided with more than one kiln car channel; arranging an entrance lifting movement device which can move kiln cars into a designated kiln car channel in the front of the channel groups; arranging an exit lifting movement device which can move the kiln cars at the kiln car channel exits to a designated position in the back of channel groups; and collecting the waste gas in each kiln car channel together through a flue gas collection main pipe and then obtaining flammable gas by purification treatment, and finally supplying the flammable gas to a generator set for use. By collecting and purifying the waste gas which is discharged in the carbonizing process, the flammable gas is obtained and harmful substances discharged to the air are reduced greatly. Simultaneously, in the purification process of the waste gas, wood vinegar and wood tar can also be extracted as the raw materials of other industries, thus having significant economic benefits.

The invention discloses an HIT-TENA data acquisition unit and an HIT-TENA data acquisition method, relates to a data acquisition technology of an HIT-TENA system structure, and aims to meet requirements on data acquisition and data playback of the HIT-TENA system structure to complete a reproduction test. A main interface module is used for editing an acquisition scheme and is also used for starting a test data acquisition process and a test data playback process; a test scheme module is used for selecting and analyzing a test scheme file, making the acquisition scheme, and writing the acquisition scheme into the test scheme file; the data acquisition unit is used for selecting the acquisition scheme, controlling start and stop of data acquisition, and examining currently acquired test data by virtue of a visual interface; and a data playback device is used for performing data playback on the acquired test data, and examining current playback data by virtue of the visual interface. The HIT-TENA data acquisition unit and the HIT-TENA data acquisition method, disclosed by the invention, are suitable for acquisition and playback of the HIT-TENA data.

The invention discloses an enzyme-free glucose electrochemical sensor and a detection method thereof. The sensor comprises a three-electrode system composed of a working electrode, a reference electrode and a counter electrode, wherein the working electrode is a homojunction copper oxide nanofiber array which is constructed on the surface of a porous Cu current collector and has a P-N junction characteristic. According to the enzyme-free glucose electrochemical sensor provided by the invention, the working electrode is designed to be the copper oxide with a homojunction characteristic constructed in situ on the surface of the porous Cu, so that the separation capacity of electrons and holes of the working electrode is improved; OH- is attached to the surface of the electrode by pre-applying a negative voltage, and a positive voltage is applied for detection; and a cation exchange membrane is used for relieving the desorption of the OH- after switching the voltage, so that high-sensitivity detection under the body fluid neutral condition is realized.

The invention provides an insulator leakage current collecting ring, which comprises a fixed clamp ring, a current collecting coil, a contact metal sheet, an electric conduction screw and a positioning screw, wherein the upper surface of the fixed clamp ring is provided with a coil mounting slot; the side face of the fixed clamp ring is provided with a mounting connector for opening or locking the fixed clamp ring; the current collecting coil is arranged in the coil mounting slot of the fixed clamp ring; the contact metal sheet is arranged below the fixed clamp ring; the electric conduction screw penetrates the fixed clamp ring from top to bottom to connect the current collecting coil with the contact metal sheet; and the positioning screw penetrates the fixed clamp ring from outside to inside. The insulator leakage current collecting ring provided by the invention has a particular open-loop design, and can be conveniently arranged on the surfaces of post insulators and suspension insulators with various different types to collect the leakage current of the surfaces of the insulators. The invention also provides an insulator leakage current collecting device. The insulator leakage current collecting ring and the insulator leakage current collecting device have the advantages of accuracy in measurement, convenience and fastness in installation and high anti-interference capacity.

The present invention provides a method for generating a panoramic photo by employing an intelligent electronic device and a corresponding intelligent electronic device. The method comprises the stepsof: calling front and back cameras built in an intelligent electronic device to perform front and back photo shooting at the same time; according to the model of the intelligent electronic device, calling pre-stored relative position information between the front and back cameras of the intelligent electronic device to perform correction of positions of the shot front and back photos; removing distortion and deformation of the corrected front and back photos, and stretching a circle to a shape suitable for seaming; performing seaming of the two photos to generate a panoramic photo; and performing preview display of the generated panoramic photo on the intelligent electronic device. The method for generating panoramic photo by employing the intelligent electronic device and the corresponding intelligent electronic device solve the problem that an intelligent electronic device cannot process and display the shot panoramic photo in real time, fully utilize the functions of an original processor of the intelligent electronic device and achieve synthesis processing of the panoramic photo.

The invention provides a novel LED (Light Emitting Diode) car lamp part machining device which comprises a supporting frame, a supporting table, a bidirectional screw rod, a T-shaped rotating rod, a controller, a driving switch, a lifting electric cylinder, a mounting top plate, a first moving motor, a first screw rod, a transverse moving seat, a second moving motor, a second screw rod, an adjusting moving seat structure, a collecting folding box structure and an auxiliary placing reinforcing seat structure. The supporting frame is mounted on the periphery of the lower end of the supporting table through bolts; the two-way screw rod is mounted on the upper side of the interior of the supporting table through a bearing; the T-shaped rotating rod penetrates through the supporting table so as to be in bolted connection with the left end of the two-way screw rod; and the controller is mounted at the right end of the supporting table through bolts, and meanwhile, a driving switch is embedded in the front end of the controller. The novel LED car lamp part machining device provided by the invention has the beneficial effects that through the arrangement of the adjusting moving seat structure, rotation at different angles is achieved in cooperation with a mounting shell for work and use.

The invention discloses a random sampler suitable for one-dimensional slowly varying signals. The random sampler comprises a signal preprocessing unit, a slope controllable sawtooth wave signal generating unit, a signal comparing unit, a counting unit and a signal outputting unit; the signal preprocessing unit is used for preprocessing input signals; the slope controllable sawtooth wave signal generating unit is used for generating slope controllable sawtooth wave signals and achieving zero clearing processing; the signal comparing unit is used for comparing the input signals which are input through the signal preprocessing unit with the sawtooth wave signals which are generated by the slope controllable sawtooth wave signal generating unit and outputting pulse signals to the slope controllable sawtooth wave signal generating unit and a signal transmitting unit when the input signals and the sawtooth wave signals are the same; the counting unit is used for staring to count clock signals when the sawtooth wave signals are generated by the slope controllable sawtooth wave signal generating unit and transmitting to the signal outputting unit; the signal outputting unit is used for outputting the number the counting unit counts currently after the pulse signals which are output from the signal comparing unit are received. The random sampler suitable for the one-dimensional slowly varying signals has the advantages of being low in sampling rate, low in hardware complexity, easy to achieve and small in occupied storage space.

The invention provides a chemical energy gas collection-output technical method and device and belongs to a technical method and equipment for comprehensively collecting sampling gas, conveying, storing and outputting. Traditional gas collection method and equipment have the defects that collection needs to be matched with peripheral equipment, transportation safety protection of a gas sample is poor, gas collection is greatly influenced by environments and manual operation, and independent stable gas outlet is not provided and the like. By adopting a compound type collection bag, gas of a target position can be relatively accurately collected, and a chemical energy output system ensures that stable output is realized under any condition. The device has a simple initial state and is convenient to carry and transport; and after the gas is fully filled, a puncture-proof protection layer is formed, and the device has a reliable protection capability. By virtue of a relatively novel design method, novel concept and method are provided for simplifying various types of gas collection and determination equipment.

The invention discloses a physical simulation device for the seepage of mine water and belongs to a mine water seepage simulation device. The physical simulation device comprises a bracket, wherein a simulation cavity capable of rotating at 360 DEG around a rotating shaft is installed on the bracket through the rotating shaft; the simulation cavity comprises an aquifer cavity and a bursting waterquantity cavity communicated with the aquifer cavity; a screen sealing head is arranged between the aquifer cavity and the bursting water quantity cavity; four lines of electrode holes and two lines of sensor mounting holes are axially distributed on the outer wall of the aquifer cavity at equal intervals; an aquifer cavity end cover with a water inlet is arranged at the end part of the outer side of the aquifer cavity; two lines of sensor mounting holes are axially distributed on the outer wall of the bursting water quantity cavity at equal intervals; and a bursting water quantity cavity endcover with a water outlet is arranged at the end part of the outer side of the bursting water quantity cavity. The seepage of the mine water is simulated through filling a medium in the aquifer cavity. The physical simulation device has the beneficial effects of reasonable structure, convenience for operation and capability of realizing the simulation of water bursting characteristics of different solid media and key strata.

The invention discloses a screw absorber. The screw absorber comprises a handle and an absorbing disc, and is characterized in that the handle and the absorbing disc are movably connected through a spherical hinge; a cover is arranged out of the absorbing disc; and the cover and the absorbing cover are movably connected through internal and external threads. The screw absorber has the following advantages: the handle and the absorbing disc are movably connected through the spherical hinge, so that the handle is convenient to bend, the collection of some screws at the bottom end of the machine can be preferably adapted to, and the moving range of the screw absorber is widened. The screw absorber is simple in structure and convenient for use, largely reduces the labor waste, and saves both time and labor.

The invention relates to a sensor network data fusion method based on data uniformity weighting, which is implemented according to the following steps: determining the distance weighted value Omega(di) of each sensor node i according to the distance from an actuator; generating a node association relation diagram according to the geographical location of each sensor node in a scene to describe the adjacent relation around each node; calculating the smoothness weighted value Omega(si) of each node i according to the node association relation diagram; calculating the pre-estimated result De according to the distance weighted value Omega(di) and the smoothness weighted value Omega(si); calculating the amount of weighting fine-tuning Delta Omega(i); and after getting the amount of weighting fine-tuning, calculating the final data fusion result D. According to the sensor network data fusion method based on data uniformity weighting put forward by the invention, the influence of error nodes on the final result is weakened by adopting different weighted values, and an accurate sensing result can be obtained.