70results about How to "Solve the sampling problem" patented technology

The invention discloses a ticket treatment system and a method thereof in order to create a fair reasonable booking environment for broad masses. The method comprises the following steps: a, booking: ID numbers are input at clients and transmitted to booking treatment equipment; b, assigning and transmitting booking information: the booking treatment equipment transmits ticket information to ticket-checking treatment equipment; c, reading ID cards for checking tickets: tourists brush the ID cards for checking; d, permitting to enter a station: the tourists are permitted to enter the station if the ticket information is right; e, transmitting the ticket information: a ticket-checking processor transmits the ticket information to a ticket processor; f, taking seats according to ticket numbers: the tourists take seats according information displayed on a ticket display screen; g, randomly checking the tickets: attendants respectively use wireless hand-held ID card readers to read the ID numbers for checking the ticket information; h, letting go: the tourists brush the ID cards to check the tickets and are let through if the ticket information is right; and i, inquiring wrong ticket information: input equipment can be inquired for the wrong ticket information if tickets are wrong.

The invention discloses a method for selecting a smoke gas average flow rate measure point of a desulfurized flue gas online monitoring system of a coal-fired power plant, and relates to a method for selecting a flue gas flow rate measure point. Particularly, the invention relates to a method for selecting the smoke gas average flow rate measure point of the desulfurized flue gas online monitoring system of the coal-fired power plant, which is used for solving the problems that the fluctuation of flow value is big and the flow can not be sampled and metered easily as the large centrifugal force caused by the air flow in the mixed flue is extremely unstable and relatively complex when a sampling point of the desulfurized flue gas parameter of the existing coal-fired power plant is displaced to a level smoke flue of a mixed flue at the inlet of a chimney. The method of selecting the smoke gas average flow measure point particularly comprises the following steps: step one, determining the average flow rate of the smoke gas in the flue; step two, seeking for the average flow rate representing point from the mixed flue; step three, verifying the relative stability of the average flow rate representing point. According to the method, the smoke gas average flow rate measure point of the desulfurized flue gas online monitoring system of the coal-fired power plant is selected and the smoke gas online monitoring system can collect data conveniently.

The invention relates to a novel physical (PHY) interface board of an optical fiber bus. The interface board comprises an interface circuit part and a coding / decoding logic design part, wherein the coding / decoding logic part comprises a serial data coding / decoding module, a data caching and converting module and a user interface input / output module. The physical interface board is mainly applied to computer bus systems in the fields of aerospace and industrial control, improves the transmission speed of the conventional 1553B bus from 1Mbps to 200Mbps, and can provide an optical fiber communication interface to meet the requirements on optical fiber transmission.

The invention relates to a drilling non-destructive sampling method for deep-buried rock. The technical problem is to provide the drilling non-destructive sampling method for the deep-buried rock which has convenient construction and is mainly applicable to the condition of unprominent contraction of stress level and rock damage strength so as to solve the perturbation problem during the rock sampling of deep burying engineering and avoid the damage of core. The technical proposal comprises the steps of: a, selecting the position where the sampling needs to be performed on site, and utilizinga large-size rock core A of which the drilling take-out diameter is greater than the diameter of a practical specimen, wherein the drilling diameter is between 130 and 235mm, and the drilling depth is 10 to 20m greater than one time of hole diameter; and b, acquiring the on-site rock core A, shearing the rock core A, fixing the part of the rock core that the length exceeds one time of the hole diameter, and adopting the prior equipment to drill to acquire a rock core B, wherein the drilling diameter is between 46 and 91mm, and the coring length is between 92 and 182mm. The method can be used for underground engineering such as water conservancy and hydropower engineering, traffic, mine and the like.

The invention discloses a generalized maximum degree random walk graph sampling algorithm. The generalized maximum degree random walk graph sampling algorithm comprises the following steps of enabling a sample to walk on a graph randomly; and performing unbiased estimation according to the sample. A 'large deviation problem' of an RW algorithm and a 'repeated sample problem' of an MD algorithm can be solved effectively, so that the overall efficiency on sample points acquired from the internet is improved.

The invention discloses a liquid sampler comprising a tube body with one plugged end. The plugged end of the tube body is provided with a handle; a plugging plate of the plugged end of the tube plateis provided with a liquid outlet; a tube cavity of the tube body is internally provided with an upper normally-closed self-restoring liquid one-way valve and a lower normally-closed self-restoring liquid one-way valve which are arranged at intervals; and both the upper normally-closed self-restoring liquid one-way valve and the lower normally closed self-restoring liquid one-way valve divide the tube cavity into an upper cavity, a middle cavity and a lower cavity. The liquid sampler is a time-saving sampler capable of conveniently and rapidly extracting liquid samples at different depths in awell shaft.

The invention discloses a device for automatically performing temperature measurement and sampling under a vacuum state. A multistage hydraulic cylinder is fixedly mounted on the upper end of a body; a temperature measurement lance and a sampling lance are connected with a piston rod of the multistage hydraulic cylinder through a connector; the lower end of the body is respectively provided with a balancing device, a sealing cover and an operation hole; and the bottom end of the body is connected with a smelting furnace through a flange, wherein the temperature measurement lance and the sampling lance are connected with the threaded piston rod of the multistage hydraulic cylinder through the connector in the body, the sealing cover is mounted in the body, and the operation hole is arranged on one side of the body. The device provided by the invention has the characteristics of simple structure, low cost, convenience in use and operation, stable operation and no furnace blowout, and solves the problem that molten metal under a vacuum state can not be subjected to temperature measurement and sampling in the metal smelting process in a long time. Besides, single-lance operation or multi-lance operation can be realized, and the production efficiency is high. Due to hydraulic transmission, the device provided by the invention has high temperature measurement and sampling success rates, is stable in operation, avoids shaking and other problems during manual operation and can be widely used in the metal smelting industry.

The invention discloses a probe composition which comprises probes composed of DNA sequences shown as SEQ ID No 1 to SEQ ID No 618. The probe composition provided by the invention can be used for a molecular diagnostic technique for performing precise treatment on patients suffering from lung cancer and colorectal cancer, supports liquid biopsy and has the sensitivity of 0.1%.

The invention discloses a data baud rate adaptive digital-analogue conversion device. The data baud rate adaptive digital-analogue conversion device comprises a plurality of parallel transceivers, a data isolator, a complex programmable logic device (CPLD) data processing module and a plurality of parallel digital to analog converters, wherein the plurality of parallel transceivers correspondingly receive a plurality of nonstandard RS 485 differential signals with different baud rates, and then convert the differential signals into transistor-transistor logic (TTL) signals; the data isolator isolates the TTL signals and then outputs the TTL signals; the CPLD data processing module performs synchronization and data decoding on the different baud rates of the isolated TTL signals; and the plurality of parallel digital to analog converters perform analogue conversion on the decoded data. The data baud rate adaptive digital-analogue conversion device solves the problems of sampling and decoding identification of the plurality of nonstandard RS 485 differential signals with the different baud rates and enlarges an input range of the signals by taking the CPLD data processing module as a core. By using a parallel processing structure of the CPLD data processing module, and channels of input signals are convenient to extend; the real-time efficiency of data processing is improved; and the conversion of multi-channel digital signals to analog signals is further realized by matching the plurality of parallel digital to analog converters. The data baud rate adaptive digital-analogue conversion device has the advantages of high adaptability, high integration level, stability, reliability and low equipment cost and is convenient to use.

The invention discloses a chromatograph sample bottle which comprises a bottle mouth and a bottle body, wherein, the bottle body is provided with an inlet tube and two outlet tubes and the inner cavity of the bottle body is provided with a sample tube; one end of the sample tube is connected with one of the outlet tubes, while the other end thereof is communicated with the inlet tube and the inner cavity of the chromatograph bottle body. The chromatograph sample bottle of the invention has special and novel structure and is convenient for storing flowing samples, especially suitable for storing samples with large flow or higher flow speed, and can be suitable for various chromatograph sample ways such as entering a sample needle and fetching the sample, thus solving the problems of sample storing, sample fetching and waste discharging of the flowing samples with large flow rate, being convenient for the real-time analysis of the samples in different reacting time segments, effectively increasing the accuracy of the analyzing result and establishing a basis for a comprehensive and accurate sample analysis.

The invention is applicable to the field of signal processing, and provides a method, a device and an intelligent terminal for processing signal data. The method includes acquiring an odd sample sequence and an even sample sequence by the aid of odd and even time sequences of synchronous sampling signals of double samplers, and sequentially storing odd sampled values in the odd sample sequence and even sampled values in the even sample sequence; comparing each odd sampled value to the corresponding adjacent even sampled value, judging whether a difference value of each odd sampled value and the corresponding adjacent even sampled value is smaller than a preset difference value threshold or not, reserving the odd sampled values and the even sampled values if the corresponding difference values of the odd sampled values and the corresponding even sampled values are smaller than the preset difference value threshold, and discarding the odd sampled values and the even sampled values if the corresponding difference values of the odd sampled values and the even sampled values are not smaller than the preset difference value threshold; restoring continuous signals from the reserved odd sampled values and the reserved even sampled values; filtering out high-frequency components of the continuous signals; and performing interpolation processing for discrete sampled values obtained after the high-frequency components of the continuous signals are filtered out, and outputting signals obtained after interpolation processing. The method, the device and the intelligent terminal in an embodiment of the invention have the advantage that a restored signal output effect can be improved.

The invention relates to a dynamic mined ore grade refining method using a deposit modeling system. The dynamic mined ore grade refining method using the deposit modeling system includes that using the deposit modeling system and a GPS positioning system to form a dynamic mined ore grade refining model according to the working radius of an electric shovel, outputting a mined ore grade, using the dynamic mined ore grade refining model to dynamically follow the concrete position of each shovel according to a mined grade model of each batch through the GPS system, forming a range which uses the shovel position as the center according to the real-time position of the shovel, and refining the mined ore grade into the mined ore grade which uses the working radius of the shovel as the size range so as to form the mined grade. The dynamic mined ore grade refining method using the deposit modeling system has advantages that the mined ore grade precision is improved and refined, an ore cabin grade is formed through the shovel grade, car grade and vehicle-mounted ore amount, favorable conditions are provided for the mill feed grade of an ore blending link, foundations are laid for the concentrate grade of an ore dressing link and ore grade of a smelting link, and the ore cabin grade is an essential condition for realizing five-product linkage.

The invention provides an RFID tag information sampling method, relates to the technical field of Internet of Things network information, and solves the problem of tag information sampling in an RFIDsystem by designing a protocol PS between an RFID reader and tags in a tag overall set S. The protocol PS disclosed by the invention comprises two stages, the states of the tags are determined in thetwo stages respectively, that is, PS-1 adopts a first random seed to calculate a hash function to randomly extract K labels from N different tags of the tag overall set S to form a label information sampling subset T, and the probability that any subset with K labels in the label overall set S is selected as T is equal; in the PS-2 stage, a second random seed calculation hash function is combinedwith the characteristics of the RFID reader to determine the state change of the tags under multiple rounds of communication rounds, so that any tag in the tag information sampling subset T is informed of the unique sequence to report the tag information to the RFID reader.

The invention provides an airflow sampling method and device for grain in a grain depot, and belongs to the technical field of agricultural product inspection. As for the airflow sampling method and device, on the outside world of the grain depot, high-pressure airflow is used for being introduced into a grain heap through an airflow conveying pipeline, the high-pressure airflow and backflow of the high-pressure airflow are integrated on a sampling tube being composed by sleeving an inner tube and an outer tube, the shell side of a circular gap space between the outer wall of the inner tube and the inner wall of the outer tube of the sampling tube is used as a channel for inputting the high-pressure airflow, the tube side of an inner tube cavity is used as a channel for backflow of the high-pressure airflow, the high-pressure airflow flows back to the tube side of the inner tube at the tail end of the shell side, backflow air in the tube side of the inner tube carries grain particles to flow back to the outside world of the grain depot to obtain a sample. According to the airflow sampling method and device for the grain in the grain depot, high-pressure air is combined with the special device to solve the problem of grain sampling in the deep grain depot, meanwhile, the damage and pollution of the high-pressure air to the grain is minimal, the method is effective, the cost is economical, and the sampling effect is good.

The invention provides a water body sampling unit weight detection method in immersed tunnel pipeline section drift floating immersion, which includes the following steps: step 1, confirming a sampling point and sampling depth; step 2, sampling a water sample through a card cover type water sampler as per the sampling point and the sampling depth confirmed in step 1, and step 3, adopting the Archimedes principle in a laboratory and calculating the water sample unit weight through the method as per the variation of weight of a standardized block in air and the water sample. The method provided by the invention meets the requirement of immersed tunnel construction, is a sampling method for one-step sampling water sample at different depths and at assigned positions based on the fact that little disturbance to the water body is guaranteed, and is a method for measuring the water sample unit weight; the system provides data direct at requirements of different working conditions to support the calculation and control of buoyancy in the construction, improves the construction efficiency, and reduces the engineering risk; and the system and the device are simple, fast and convenient in operation, and are high in accuracy.

The invention relates to a multipoint high-temperature sample gas collecting system capable of working reliably. The system comprises a sampling probe rod, a fixing device, a filtering system, a heating pipeline and a sample gas mixing system, wherein the fixing device comprises a big flange, a big flange cover, a small flange cover and a small flange; the big flange is pre-buried on a side wall of a flue; the sampling probe rod is welded on the big flange cover, is fixed on the big flange through the big flange cover and extends into the flue; the probe rod comprises an inner rod; a spring heating wire is sleeved on an outer wall of the inner rod; an insulating protecting cover is arranged on the exterior of the spring heating wire; the filtering system is arranged between the big flange cover and the small flange; the filtering system is connected with the sample gas mixing system through the heating pipeline; the sample gas mixing system is connected with a detecting system through the heating pipeline; the sample gas mixing system is used for collecting the sample gas in the manner of matching with the compressed air through a venturi vacuum pumping system and a mixing device is used for mixing each path of sample gas and then exhausting from a sample outlet. The multipoint high-temperature sample gas collecting system has the advantages of stability and reliability in working, long service life, low cost, high temperature resistance and small volume.

The invention discloses an online sampling system for a gas-liquid mixed medium. The online sampling system comprises a sampling system, a gas-liquid separating system, a cooling system and a nitrogenpurging system. The online sampling system for the gas-liquid mixed medium realizes gas-liquid separation by adopting a second medium process valve, a cooling tank and a gas-liquid separating tank, creates conditions for separately sampling the gas and the liquid, realizes separate sampling of the subsequent gas and separate sampling of the liquid to meet technical requirements of complicated working condition, and solves a sampling problem of complicated gas and liquid coexistence. The online sampling system for the gas-liquid mixed medium is suitable for a gas-liquid mixed medium or a medium generating a large amount of gas after the medium is depressurized. The nitrogen purging system of the invention can discharge the medium into a flare discharge mouth, eliminates the residual of themedium and ensures that the entire system is clean for the next sampling. The nitrogen purging system and the cooling system are not required, so that the entire system is greatly simplified.

The invention relates to an ore crushing, sampling and dedusting integrated system, and belongs to the technical field of mining equipment. The ore crushing, sampling and dedusting integrated system comprises a crushing machine, a rack, a conveying device, a ventilating main pipe, a centralized dedusting ventilator, a dust remover, a middle sampling device, an end sampling device, a ventilating branch pipe I, a ventilating branch pipe II and a dedusting ventilation opening. The ore crushing, sampling and dedusting integrated system has the advantages of simple structure, convenience in installation, small occupied space, convenience in installation and maintenance, low cost, simplicity and practicability; full-automatic timing sampling is realized by adopting a general electric element, the sampling frequency can be freely set, and complex PLC programs do not need to be mastered. The ore sampling problem is solved, and additionally, ore dust near the crushing machine and in a broken stone transportation process can be removed in time, so that the safety production for ore crushing is realized, and workers are prevented from sucking excessive dust so as not to influence the physicalhealth; additionally, dust and air can be preferably separated from each other, so that the quality of final exhaust air is guaranteed, and the environment is prevented from being polluted.

The invention discloses a sewage fetching device for sewage detection for environment-friendly sewage treatment. The sewage fetching device comprises a sampling vehicle, movable wheels, a coiling roll, a telescopic rod, a rope guide wheel, a ruler rope and a sampling bucket, wherein the movable wheels are arranged at the lower part of the sampling vehicle; the coiling roll is arranged at the upperpart of the sampling vehicle; the coiling roll is fixedly arranged at the upper part of the sampling vehicle through a bracket; the telescopic rod is arranged at the right side of the coiling roll; the lower end of the telescopic rod is fixedly arranged at the upper part of the sampling vehicle through a fixing seat; the rope guide wheel is arranged at the upper end of the telescopic rod; the sampling bucket is arranged at the lower part of the rope guide wheel, and is connected with the coiling roll through the ruler rope. By arranging the sampling vehicle, the movable wheels, the coiling roll, the telescopic rod, the rope guide wheel, the ruler rope and the sampling bucket, the sewage fetching device for the sewage detection for the environment-friendly sewage treatment solves the problems that the flexibility is poor, and the movement is not convenient; the sewage of the sampling point cannot be conveniently sampled when the sampling distance is farer away from the water source.

The invention discloses a nuclear facility solid waste package radioactivity evaluation method and system. The method comprises the following steps: in the generating or treating stage of the radioactive waste, recording corresponding date T0 of the typical gamma energy spectrum of easy-to-measure nuclide; according to the typical gamma energy spectrum of the easy-to-measure nuclide in the generating or treating stage of the radioactive waste, adopting a radiation shielding calculation program to establish a shielding calculation waste model according to the radioactive waste characteristics,the waste package characteristics and the waste filling characteristics; calculating a dose rate contribution value of the unit easy-to-measure nuclide in the radioactive waste to the measurement position of the dose rate on the surface of the waste package; and finally, calculating the activity of each easy-to-measure nuclide in the waste package by combining the measured dose rate on the surfaceof the waste package. Compared with a traditional sampling laboratory radiochemical analysis and NDA method, the method solves the problem that waste package sampling and measurement are difficult issolved, and the measurement and evaluation result is higher in accuracy than that of the NDA method.

The invention relates to the field of environment monitoring, in particular to indoor movable multidirectional air sampling environment monitoring equipment. The monitoring equipment includes a robotchassis, and further includes a bottom plate, an omnibearing camera, an exhaust fan, a rotary adjusting assembly which is used for adjusting the sampling direction, a bottom-layer sampling mechanism which is used for sampling indoor bottom air, a high-layer sampling mechanism which is used for sampling indoor air and a lifting adjusting assembly which is used for adjusting the high-layer samplingmechanism to sample air with different heights. The bottom plate is arranged at the top of the robot chassis; the rotary adjusting assembly is arranged at the top of the bottom plate; the bottom-layersampling mechanism is arranged at the top of the rotary adjusting assembly. According to the indoor environment monitoring device, the problem that air cannot be sampled in a multi-azimuth and multi-height mode in traditional indoor environment monitoring is solved, the comprehensiveness of air sampling is improved, and the environment monitoring effect is enhanced.

The invention discloses a nuclear facility solid waste package radioactivity evaluation method and system. The method comprises the following steps: in a radioactive waste generation or treatment stage, establishing a shielding calculation waste model to calculate a dose rate contribution value of unit amount of easily-measured nuclide in the radioactive waste to a radioactive waste surface dose rate measurement position; calculating the activity of each radionuclide in the radioactive waste by combining the surface dose rate of the radioactive waste; after the radioactive waste is treated toform a waste package, correcting the activity of the easy-to-measure nuclide in the waste package according to the decay of the radionuclide to obtain the correction activity of each easy-to-measure nuclide in each radioactive waste, and summing the correction activities of the same easy-to-measure nuclide in all the radioactive wastes to obtain the activity of the easy-to-measure nuclide in the waste package. Compared with a traditional sampling laboratory radiochemical analysis and NDA method, the problem that waste package sampling and measurement are difficult is solved, and the measurement and evaluation result is higher in accuracy than that of the NDA method.

The invention relates to a pipeline inner wall investigation and sampling device, in particular to a single-end operation pipeline inner wall wiping and sampling device, and solves the technical problem that sediments on the inner wall of a to-be-wiped and sampled pipeline are difficult to wipe and sample well under the condition that one end of the existing pipeline is difficult to reach or is a blind end. A single-end-operated pipeline inner wall wiping and sampling device comprises a supporting assembly, an elastic body, an operating mechanism and a driving mechanism. The operating mechanism comprises an inner push rod, a restraining assembly arranged on the inner push rod in a sleeving mode and a positioning assembly. The positioning assembly penetrates through the third positioning hole and the first positioning hole, and the elastic body is contracted into the containing cavity. Or the positioning assembly penetrates through the third positioning hole and the second positioning hole, and the elastic body is released into the sampling pipeline to be wiped. The dirt can be cleaned and the sample can be taken out only by operating at one end of the pipeline.

The invention discloses an automatic asphalt sampling device. In one implementation model, the device comprises a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature controlcomponent, a negative pressure sampling bottle and a vacuum pump. The heating sleeve is sheathed at the exterior of the asphalt sampling tube. The temperature sensor is connected with the heating sleeve. The negative pressure sampling bottle is connected with the asphalt sampling tube. The vacuum pump is connected with the negative pressure sampling bottle. The temperature control component is connected with the heating sleeve and the vacuum pump. According to the provided automatic asphalt sampling device, the sample tube has a function of setting heating temperature, so the problem that thewhole bottle of an asphalt sample needs to be heated while the asphalt is sampled is solved. A positioning sampling and rapid sampling mode is provided for sampling the asphalt. The labor intensity isreduced, and the efficiency of the asphalt sampling is improved. The sampling process is automatically completed, the operation is simple and convenient, and the sampling efficiency is high. The device is capable of realizing the quantitative sampling. In addition, the sampling tube can be placed in the different sample depths, so the representativeness of the sample is improved.

The invention discloses an intelligent sampling system and relates to the field of ambient air monitoring technology. The problem that an existing atmospheric sampling device for atmospheric samplingin an animal house is easy to damage and sampling is easy to disturb by animals and then is discontinued is solved by the use of the intelligent sampling system. The intelligent sampling system comprises a sampling gas cylinder, an air detection unit, a matching unit, a control unit and a display screen. The sampling gas cylinder is used for acquiring gases in an enclosed space and sending the acquired gases to the air detection unit. The air detection unit is used for detecting acquired gases and sending a detection result to the matching unit. The matching unit is used for matching the detection result and an air quality table and sending a matching result to the control unit. The control unit is used for determining air quality of the enclosed space according to the matching result andsending the air quality to the display screen.

The invention discloses a water body pollution environment monitoring and sampling device, and belongs to the technical field of environment monitoring. A water body pollution environment monitoring and sampling device comprises a sampling box, and further comprises first motors, which are mounted on two sides of the lower end in the sampling box through a bracket; propellers, which are arranged on the two sides of the lower end of the sampling box, and rotating shafts of the propellers are fixedly connected with the output end of the first motor; a second motor, which is mounted at the upper end in the sampling box; threaded rods which are rotationally connected to the two sides, close to the second motor, of the sampling box, wherein the output end of the second motor is fixedly connected with a first gear. When river water is sampled, water at different depths can be sampled at a time, repeated sampling is not needed. The device solves the problem that in the prior art, only water of one depth can be sampled at a time, the sampling efficiency is effectively improved, and the device is high in practicability and suitable for application and popularization.

The invention provides an alkali metal sampling device. The device comprises an alkali metal sampling assembly, an operation box and an atmosphere adjusting assembly; the alkali metal sampling assembly is in fluid communication with an alkali metal loop, and is used for extracting alkali metal from the alkali metal loop; the operation box matches the alkali metal sampling assembly in a sealed modeand used for operating the alkali metal sampling assembly; and the atmosphere adjusting assembly is in fluid communication with an inner cavity of the alkali metal sampling assembly and used for providing a needed internal atmosphere environment for the alkali metal sampling assembly. The alkali metal sampling assembly is directly connected with the alkali metal loop, therefore, on-line samplingof the alkali metal loop is realized; the contact with air in the sampling process is avoided; an appropriate environment is provided for alkali metal sampling through the operation box matching the alkali metal sampling assembly in a sealed mode and the atmosphere adjusting assembly, so that contact between an alkali metal sample and air is avoided in the whole process; the original property of alkali metal is guaranteed as much as possible; and guarantee is provided for accuracy of follow-up tests.