103 results about "Sample water" patented technology

The invention discloses a water quality COD analysis device, and relates to the technical field of COD water quality detectors, the water quality COD analysis device comprises a COD water quality detector body, a calibration mechanism is arranged on the outer side of the COD water quality detector body, a wiping mechanism is arranged on the outer side of the COD water quality detector body, the calibration mechanism can detect a plurality of detection samples after sample water calibration equipment is utilized, and the wiping mechanism is arranged on the outer side of the COD water quality detector body. The wiping mechanism can wipe the surface of a test tube of a detection sample, the calibration mechanism comprises a first stepping motor, the outer surface of the first stepping motor is fixedly connected to the inner wall of the COD water quality detector body, the output end of the first stepping motor is fixedly connected with a turntable, and the outer surface of the turntable is fixedly connected with a plurality of same rectangular frames; the inner wall of each rectangular frame is rotationally connected with a rubber barrel, stains and water stains on the surface of the test tube of the detection sample can be cleaned by utilizing the wiping rings, and the problem that the detection efficiency is reduced due to the fact that the test tube of the sample to be detected needs to be manually wiped before detection is solved.

The invention provides a blueberry substrate cultivation pH value detection device, and relates to the technical field of pH value detection devices. A leakage control part is arranged above the detection part; a material soaking part is arranged above the leakage control part; an external control part is arranged above the material soaking part; the inner plug block is matched with the conical surface of a conical groove in the top of the communicating leak hole, contact type sealing is achieved, an outer adjusting ring and an inner adjusting frame are of an integrated connecting structure, an operator can drive the inner adjusting frame and a top cover frame to synchronously move upwards only by shifting the outer adjusting ring upwards, the communicating leak hole is communicated, sample water is conveniently conveyed and treated, the detection process is simplified, and the detection efficiency is improved. The blueberry substrate cultivation pH value detection device has the advantages that the blueberry substrate cultivation pH value can be conveniently detected, and the problem that due to the fact that sampling, proportioning, mixing, detection and other processes need to be operated and treated in various containers, the number of tools needed in the detection process is large, the steps are tedious, and detection treatment is inconvenient is solved.

The application relates to the technical field of sampling devices, in particular to a single-wall carbon nanotube sampling device convenient to carry, which comprises a sampling bucket, a containing cavity is formed in the middle of the sampling bucket, a sampling rod one and a sampling rod two are matched arranged on the sampling bucket, the sampling rod one and the sampling rod two are mutually inserted, and the device is characterized in that the device further comprises a buoyancy mechanism and an adjusting mechanism, a float ball of the buoyancy mechanism controls a one-way valve one, sampling is automatically realized after the sampling bucket reaches the middle position of a sampling water area, the adjusting mechanism is used for adjusting the sinking distance of the sampling bucket according to the depth of different water areas, an operator can deliver the sampling bucket to the relatively central water area on the bank of the water area to realize rapid and effective sampling, and rapid adjustment can be realized according to the depth of the water area.

This invention discloses a flow velocity adaptive simultaneous stratified algae sampler for different water depths, comprising a vortex compressor module, which includes a lower shell and an upper shell. The upper shell includes a top plate with a filter plate fixed to its outer periphery and a stationary vortex disk fixed to its bottom surface. An outlet is formed at the center of the top plate, and a continuous sampling structure is installed in conjunction with the outlet. A first waterproof motor is fixed inside the lower shell, connected to a moving disk, and a moving vortex disk that cooperates with the stationary vortex disk is fixed to the top surface of the moving disk. Both the stationary and moving vortex disks are made of filter plates. An inlet is formed on the upper shell, and solenoid valves are installed on both the inlet and outlet. A flow meter is also installed at the inlet. This invention can concentrate algae, thereby achieving continuous large-volume algae sampling, overcoming the shortcomings of existing sampling devices that are limited by container volume, resulting in small sample volumes and the inability to continuously sample and obtain dynamic change data.

A control assembly for an appliance includes a control panel for the appliance. The control panel includes inputs for controlling the appliance. The control assembly includes a control circuit board coupled to the control panel. The circuit board configured to be operably coupled to working components of the appliance to control operation of the appliance based on the inputs from the control panel. The control assembly includes a detergent sensor configured to sense wash characteristics of water in the appliance. The detergent sensor includes a near infrared spectroscope (NIRS) for determining optical properties of a sample of the water. The detergent sensor performs a chemical analysis to determine the contents of the sample based on the optical properties. The control circuit board is configured to control the working components of the appliance based on the chemical analysis performed by the detergent sensor.

This invention belongs to the field of water quality testing technology, and specifically relates to a water quality testing device for industrial circulating water. It includes a protective cylinder placed inside a water tank, and a climbing frame erected on the water tank to support the protective cylinder. It also includes several collection cylinders placed inside the protective cylinders with their upper openings open; a sampling cylinder movably placed inside the collection cylinders via a suspension frame; a supporting and guiding component placed inside the collection cylinders, with its water collection groove communicating with a water collection hole on the protective cylinder; and a guiding and venting component placed inside the sampling cylinders, allowing the sampling cylinders to communicate with the water collection groove of the supporting and guiding component through the guiding and venting component. This invention enables the water quality testing device to simultaneously sample water from different water layers within the water tank, and also to perform individual automatic sampling and testing of water from different water layers within the water tank, thereby more accurately detecting the water quality status of each layer within the water tank.

A secondary pollution prevention closed water taking device relates to the technical field of sampling and comprises a water taking machine body and a telescopic rod, a conical hole is formed in the top of the water taking machine body, a first water taking pipe is fixedly mounted at the bottom hole position of the conical hole, and a second water taking pipe is slidably mounted at the bottom of the first water taking pipe in an up-down penetrating manner; a sealing pressing plate is fixedly installed on the second water taking pipe, a compression spring is connected between the upper end face of the sealing pressing plate and the upper side wall of an inner cavity of the water taking machine body, a bottom plate is installed at the bottom of the water taking machine body, and a base is fixedly installed on the upper end face of the bottom plate. The test tube for direct detection is installed in the inner cavity of the water taking machine body, meanwhile, the leakproofness of the inner cavity is guaranteed, and sampled water is directly guided into the test tube, so that the test tube can be directly taken out and sent to be detected after water taking is completed, pollution of the sampled water in the secondary transfer process is effectively avoided, and detection data are greatly guaranteed.

The invention provides a thermal power plant steam-water sampling frame and a control method thereof, and relates to the technical field of thermal power plant steam-water sampling, the thermal power plant steam-water sampling frame comprises a bottom plate, the two side surfaces of the bottom plate are divided into a first surface and a second surface, the bottom plate is provided with a mounting hole site, and the mounting hole site is provided with a functional mechanism through an adaptively connected ear plate; the function mechanism comprises a constant temperature control assembly, a flow monitoring and control assembly, a filtration monitoring and management assembly and a water quality treatment and monitoring assembly which are connected on the bottom plate through mechanical interfaces or pipeline interfaces, and the function mechanism is electrically connected with a measuring point level intelligent electric control assembly through an electric interface; the top end of the first surface is provided with a sample water inlet pipe communicated with a pipeline of the filtration monitoring and management assembly, and the bottom of the second surface is provided with a water tank for receiving waste sample water. The technical problems of high energy consumption, poor measurement stability and incapability of being fused with a DCS (Distributed Control System) are solved, and the inlet flow and the water quality of an online instrument are kept stable; the energy consumption and the maintenance cost are reduced; and linkage with the DCS is realized.

The utility model discloses a water source sampling device for water conservancy detection. The water source sampling device comprises a mounting rack, a winding roller, a connecting belt, a sampling barrel, a telescopic rod and a limiting frame, by arranging the barrel cover, the water taking opening, the blocking air bag, the air pipe and the mounting assembly, the barrel cover and the sampling barrel are fixedly mounted through the mounting assembly, and during deep water taking, an operator injects air into the air pipe, so that the blocking air bag is expanded to block the water taking opening; the sampling barrel can dive to different depths while water does not enter the sampling barrel, when the sampling barrel reaches the needed sampling depth and needs to take water, an operator only needs to carry out anti-riding on the blocking air bag, and then water can enter the sampling barrel through the water taking opening to be sampled, so that the convenience of sampling different depths by the operator is guaranteed, and the sampling efficiency is improved. The problem that the equipment is not provided with a structure for sampling water sources with different depths, so that only the surfaces of the water sources can be sampled, and limitation is caused is solved.

The application belongs to the technical field of wastewater monitoring, and particularly relates to an online wastewater toxicity monitoring device and method based on nitrifying bacteria biofilm, which comprises a sample storage bottle, a nutrient solution pool, a buffer pool, a mixing and dissolved oxygen pool, an ultraviolet sterilization lamp, a gas-liquid mixing nozzle, a biofilm reactor, and a conveying pump for pumping liquid and gas, and valves and pumps for controlling the opening and closing of the conveying pipeline. The online wastewater toxicity monitoring device and method based on nitrifying bacteria biofilm have the advantages of high detection efficiency and detection accuracy, flexible and convenient use, simple structure, and low manufacturing cost.

The application provides a method for determining the content of aluminum by graphite furnace atomic absorption spectrometry. The method comprises the following steps: preparing an aluminum series calibration solution added with an alkali metal nitrate, determining the absorbance of the solution by using a graphite furnace atomic absorption spectrometer, and then drawing a standard curve with the determined absorbance as the ordinate and the content of aluminum in the aluminum series calibration solution added with the alkali metal nitrate as the abscissa; adding the alkali metal nitrate into a sample to be determined, determining the absorbance of the sample by using the graphite furnace atomic absorption spectrometer, and then calculating the content of aluminum in the sample to be determined according to the standard curve. The method can fully atomize the aluminum element, improve the measurement accuracy, and solve the problem of different atomization rates of sample water and calibration solution, and mask the interference of other metal oxides.

The utility model discloses a capacitive deionization purification device for saline-alkali soil drainage, which relates to the related technical field of saline-alkali soil drainage treatment and comprises a filter box, a filter mechanism is mounted in the filter box, a communicating pipe is arranged below the filter mechanism, and a capacitive deionization main body device is arranged on one side of the filter box. A drain pipe penetrates through the capacitive deionization main body device and is communicated with the communicating pipe, a photovoltaic solar panel is arranged at the top of the capacitive deionization main body device, an energy storage unit is connected to the bottom of the photovoltaic solar panel, and the energy storage unit is fixedly mounted above the capacitive deionization main body device. Impurities such as lumps and particles in water are removed through the filtering mechanism, multi-layer filtering treatment is carried out on drained water quality of the saline-alkali soil, and the water sample purification rate can be improved; and meanwhile, better efficiency and lower energy consumption are achieved, the quality of drained water of the saline-alkali soil can meet the requirements for low cost, large amount, easy obtaining and the like of irrigation water in arid region agricultural production after being purified, and the agricultural irrigation cost of the arid region is reduced.

The invention relates to a lake and reservoir chlorophyll concentration temporal and spatial change analysis method based on multi-source remote sensing. The method comprises the following steps: cooperatively collecting multispectral images and real-time water sample data through remote sensing and ground equipment, and obtaining a chlorophyll concentration measured value with geographic coordinates and timestamps; training a convolutional neural network inversion model by taking the measured value as a label, and processing the image to obtain a chlorophyll concentration distribution matrix; decomposing dynamic components through spectral analysis, extracting hydrological related subset data and optimizing to obtain a heterogeneity feature vector, and filtering interference through machine learning to obtain a pure signal sequence if sediment suspension disturbance exceeds the standard; calculating environment and climate influence weights based on the sequence, correcting the concentration, and generating optimized space-time distribution representation after validity score verification; finally, key monitoring points are extracted through differential monitoring grid division, and a chlorophyll concentration monitoring parameter set is formed. According to the method, the time-space continuity and accuracy of the monitored chlorophyll concentration data are guaranteed, and the monitoring efficiency is improved.

The utility model discloses an automatic water sample distribution transmission system, including booster pump, multi -way valve, sample water cup, liquid discharge valve, peristaltic pump and secondary sample water cup, and the both ends of booster pump are connected through the hose respectively pure water bucket and multi -way valve, and sample water cup is provided with multiple groups side by side, and multiple groups sample water cup are connected through the hose respectively one pipe joint of multi -way valve, and secondary sample water cup is connected through peristaltic pump with multi -way valve, and the liquid discharge port of sample water cup and secondary sample water cup is connected through the hose respectively one liquid discharge valve, and the top of secondary sample water cup is equipped with three pipe joints and three pipe joints are connected through the hose respectively multi -way valve, peristaltic pump and detection instrument, and the passage of connecting secondary sample water cup and every sample water cup on multi -way valve is controlled on -off through separate solenoid valve, and still be equipped with one water suction pipe of butt joint with the pipe joint of connecting detection instrument in secondary sample water cup. This automatic water sample distribution transmission system can realize automatic cleaning, moistening, need not manual intervention, can effectively improve the detection efficiency.

The utility model provides a drinking water layering purification device, which relates to the technical field of drinking water layering, and comprises a tank body and a layering assembly, the layering assembly comprises a first layering plate fixedly connected to the inner wall of the tank body, and the inner wall of the tank body is fixedly connected with a second layering plate; the water taking assembly comprises a fixing block fixedly connected to the top end of the inner wall of the tank body, the inner side of the fixing block is fixedly connected with a fixing ring, the interior of the fixing ring is fixedly connected with a sampling pipe, the top end of the sampling pipe is fixedly connected with a water suction valve, and the outer side of the tank body is fixedly connected with an observation assembly; by means of the design, the effects of dynamic layering and on-demand water taking are achieved, accurate detection and treatment can be conveniently conducted on different water layers, the sampling position can be flexibly adjusted, the representativeness of a sampled water body is ensured, and therefore the problem of sampling deviation caused by water layer distribution changes is effectively solved.

The invention relates to the technical field of experimental equipment, in particular to a full-automatic control dry-wet cycle experimental device, which is characterized in that dry-wet parameters are set through a controller, a water suction pump is controlled by the controller to automatically inject water into an experimental barrel, and the interior of the experimental barrel is vacuumized by an air exhauster to realize sample soaking; after the set soaking time is reached, the controller controls the electromagnetic valve on the drainage pipe to be opened, water in the experiment barrel flows back to the water storage barrel through the drainage pipe, then the controller controls the heating tray to heat and dry the sample, and the space where the heating tray is located is vacuumized by the air extractor, so that water vapor of the sample is conveniently discharged, and the drying effect of the sample is ensured; and after the set drying time is reached, soaking the sample again. And repeating the steps to realize automatic control of the dry-wet cycle. When the device is used for carrying out a dry-wet cycle test, the alternate dry environment and wet environment do not need to be manually operated, and the test time can be accurately controlled.

The invention discloses automatic transferring and boxing equipment for containers subjected to high-temperature treatment. The automatic transferring and boxing equipment comprises a conveying vehicle, a drying box and a mechanical arm. A drying box placing position for placing a drying box, a container tray placing position for placing a container tray, a drying box cover opening and closing device for opening or closing a cover plate of the drying box, and a tray carrying device for transferring the container tray in the drying box are arranged in the drying box; the mechanical arm is used for transferring the drying box between the inner space and the outer space of the drying box and further used for automatically transferring the container or the container tray where the container is placed between the container tray placing position and the high-temperature treatment equipment. By utilizing the mode that the mechanical arm transfers the container between the high-temperature treatment equipment and the drying box, the method has the advantages of high transfer speed and short exposure time of the sample in the air, and the container is automatically loaded into the drying box in the relatively dry drying box, so that the water absorption of the sample in the container boxing process can be reduced, and the sampling efficiency is improved. Therefore, the sample water absorption problem after the container is moved out of the high-temperature treatment equipment is reduced.

Proposed is a constant flow conditioner having a microbubble removal function and there is an effect that sample water is supplied at constant flow rate and pressure to a water quality meter regardless of pressure variation of inflow sample due to external factors. Further, there is an effect that it is possible easily remove bubbles in sample water.

The utility model relates to the technical field of boiler sampling, in particular to a closed boiler steam-water sampling device which comprises a sampling water tank, a cooling water tank and a heat exchanger, the sampling water tank is arranged on one side of the cooling water tank, and the sampling water tank is communicated with the cooling water tank; a plurality of heat exchangers are arranged at the top of the cooling water tank at intervals and correspond to steam drums of the boiler one to one, and steam water enters the heat exchangers from the steam drums, is cooled by the cooling water tank and then is sampled in the sampling water tank; the top of the cooling water tank is provided with an extraction opening, and the bottom is provided with a drain outlet; a water inlet is formed in one side of the cooling water tank; a water return port is formed in the bottom of the sampling water tank; the side wall of the sampling water tank is provided with a sampling opening corresponding to an outlet of each heat exchanger. Steam and water of the steam pocket can be uniformly cooled in the cooling water tank, the occupied space is small, maintenance is convenient, scaling of the heat exchanger is avoided, and the heat exchange efficiency is high.

The invention provides a sample slice pasting device and method, and belongs to the technical field of slice pasting. The sample slice pasting device comprises a sample water tank, a first connecting structure, a second connecting structure, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a first valve, a second valve, a detection piece, a glass slide, a first water pump and a second water pump. According to the invention, the first water pump, the second water pump, the first valve and the second valve are controlled in order, the sheet sample in the sample water tank is stably conveyed into the second pipeline, and the second valve is opened, so that the protection solution and the sheet sample in the second pipeline fall onto the carrier slide under the action of gravity; according to the automatic slicing device, slice samples generated in the automatic slicing process can be collected and automatically pasted on a glass slide, the manual repeated operation time is saved, and the problem that sample slices are polluted due to manual operation errors is solved.

The invention particularly relates to an online pH meter stability testing device and method, and belongs to the field of pH meter stability testing. The testing device comprises an instrument detection device which forms a testing loop and is used for testing the stability of the pH meter; the dosing device is used for injecting a reagent into the sample water in the test loop and adjusting the pH value of the sample water; the constant temperature device is used for controlling the sample water in the test loop to be at a set temperature; the data acquisition system is used for acquiring output signals of the instrument detection device, the dosing device and the constant temperature device; and controlling the instrument detection device, the dosing device and the constant temperature device to operate. The testing method is carried out by using the testing device. According to the invention, the long-term stability test of the on-line pH meter under different temperature and solution environments is realized.

The invention discloses a water quality stratified sampler for water environment monitoring, which structurally comprises a sampling main body, a sampling water pipe, a top cover and a lifting rope, the sampling main body is cylindrical, the sampling water pipe is connected to the bottom of the side end of the sampling main body, the top cover is mounted on the top end face of the sampling main body, and the lifting rope is fixedly connected to the middle position of the top cover. The sampling main body comprises a sampling box, an inner groove, a water guide structure, a micro water pump, a buckle and a Bluetooth control module, the side end face of the sampling box is connected with the sampling water pipe, the inner groove is located in the sampling box, the water guide structure is vertically installed at the bottom end of the interior of the inner groove, and the micro water pump is installed at the bottom of the top cover. The floating ball is adjusted on the end face of the extraction pipe according to the scale mark ruler, so that the floating ball can drive the extraction pipe to float on the water surface, and the extraction pipe can accurately extend into a water layer to be detected to sample and detect flowing water.

This application relates to the field of chemical scale inhibition technology, and discloses a scale inhibitor evaluation system and a scale inhibitor evaluation method. The scale inhibitor evaluation system includes multiple scale inhibitor evaluation devices, each comprising a sample storage mechanism, a mixing mechanism, a control assembly, and a recovery assembly. The sample storage mechanism includes a sample water storage tank for storing experimental sample water and a reagent storage tank for storing the scale inhibitor. The mixing mechanism includes a mixer connected to both the sample water storage tank and the reagent storage tank. The control assembly includes a pressure regulating mechanism and a temperature control mechanism capable of regulating the temperature inside the sample water storage tank or the mixer, thereby making the environment of the experimental sample water more consistent with actual working conditions and making the evaluation results of the scale inhibitor more valuable. The recovery assembly includes a collection plate and a waste liquid recovery mechanism. The waste liquid recovery mechanism is connected to the mixer and can recover the mixture inside the mixer. The collection plate is detachably installed at the outlet of the mixer to collect sediment in the mixture.

The invention relates to the technical field of geothermal fluid water-vapor separation, and discloses a geothermal well high-temperature geothermal fluid sample water-vapor separation device and method.The geothermal well high-temperature geothermal fluid sample water-vapor separation device comprises a shell and a bottom plate, the bottom plate is arranged on one side of the shell, the front side of the shell is fixedly connected with a feeding pipe, and the top of the shell is fixedly connected with a box. Through the design of the gas collecting mechanism, after geothermal fluid passing through the interior of the shell is subjected to water vapor separation, separated gas enters the detachable gas storage units, the detachable gas storage unit at the tail end can be expanded firstly, and after the detachable gas storage unit on the edge side is expanded to the maximum value, the detachable gas storage unit at the tail end can be expanded to the maximum value. After the valve, facing one end of the detachable gas storage unit, of the adjacent detachable gas storage unit can be closed, the detachable gas storage unit on the outermost side can be taken down and replaced, and in the replacement process, the whole separation work of the device does not need to be closed, and the other detachable gas storage units can continue to store gas, so that the separation efficiency is guaranteed; and the detachable gas storage units are relatively light in weight, so that more labor is saved in the carrying process of workers.

The utility model discloses a water quality desilting and sample supplying device which comprises a water inlet pipe, a detection device is arranged at the top of the water inlet pipe, a sample supplying pipe is connected to the outer wall of one side of the detection device, a filtering assembly is connected between the sample supplying pipe and the water inlet pipe and comprises a filtering shell, and a fixing pipe is welded to the outer wall of one side of the filtering shell. A filter cartridge is fixed in the fixing pipe, the top end of the filter cartridge is fixed to the inner wall of the filter shell, and one end of the fixing pipe is connected with a first electromagnetic valve. Sand in a water sample is filtered through the filter cartridge, the sand sinks into the fixing pipe facing downwards, when the sand in the filter assembly needs to be cleaned, the first electromagnetic valve is opened, and the deposited sand can be flushed out through water flow; and thus, the filter assembly of the sample supply device is more convenient to maintain.

The present application relates to liquid detection sampling technical field, specifically to a kind of water source sampling analysis system for intelligent environmental monitoring, including multiple water floating detection platform, multiple water floating detection platform between using pipeline connection;The water floating detection platform includes shell, sampling mechanism and monitoring component;The sampling mechanism includes peristaltic pump, rotating component and water injection component;The peristaltic pump draws sample water into sampling mechanism;The rotating component sends sample bottle into the water injection component by rotating transmission mode, and after filling sample water, it is sent into unmanned aerial vehicle;The water injection component is inserted into the sample bottle in the process of transmission to the rotating component with water injection;The monitoring component monitors the routine parameters of sample water with light detection, and uploads data to water quality monitoring center.The present application samples by water source, to detect special parameters such as metal ions in water source;Routine parameters such as pH value in water sample are monitored;The detection efficiency of unmanned equipment is improved.

The utility model provides adjustable water quality sampling device belongs to hydraulic engineering technical field to solve the problem that existing personnel is difficult to sample bottle and sampling water outlet alignment, including sampling main part, sampling cover, sampling water pump, inlet conduit, control knob, control switch, mobile base, sampling mobile mechanism and bottle body placing mechanism, sampling cover hinged connection is in sampling main part front end surface, sampling water pump fixed connection is in sampling main part front end surface, inlet conduit fixed connection is in sampling main part inside, control knob rotation is connected in sampling main part front end surface, control switch setting is in sampling main part front end surface, mobile base sliding connection is in sampling main part inner end surface, sampling mobile mechanism setting is in sampling main part inside, bottle body placing mechanism setting is in mobile base inside. Through sampling mobile mechanism, realize convenient use water quality sampling device, through bottle body placing mechanism, realize sampling bottle in the stable of placing recess inside.

This invention belongs to the technical field of effluent hardness monitoring in water treatment devices, and specifically discloses an effluent hardness monitoring device and method based on a sodium ion exchanger. The device comprises a sample water adjustment and switching system, a sample water metering and mixing system, a reagent quantitative addition system, a supplementary lighting and standard colorimetric plate system, a video monitoring system, and a control system. This invention uses automated and information-based methods to simulate the manual on-site testing process for effluent hardness, replacing manual on-site operation. It achieves physical isolation between operators and the risk of chemical corrosion on-site, facilitating rapid judgment of whether the sodium ion exchanger effluent hardness meets standards based on sample water color, thereby enabling appropriate decision-making. This provides technical support for "unattended, remote monitoring" of production operations, and simultaneously determines the optimal cleaning time endpoint for sodium ion exchanger "regeneration," reducing water consumption.

The invention discloses a complete virus particle detection quantification system and method based on droplet microfluidics, and belongs to the field of micro-nano technology, the system comprises a single virus adsorption microsphere and two subsystems; the single virus adsorption microspheres are coupled with an antibody through a streptavidin chemical bond, and single viruses are adsorbed by virtue of antigen-antibody specific binding; the single virus nucleic acid detection subsystem wraps microsphere liquid drops with viruses, water-phase liquid containing microsphere-virus samples and a fluorescent probe reagent are subjected to RT-PCR amplification, single virus nucleic acid is detected in the liquid drops, and fluorescent probes are used for calibrating and comparing fluorescence intensity. And the high-throughput liquid drop screening subsystem analyzes the size of the liquid drop and the intensity of the fluorescence signal, identifies the liquid drop containing the single virus, and accurately counts the fluorescence liquid drops, so that quantitative analysis on the single virus level is realized. Complete virus particles are identified by adopting a method of combining nucleic acid detection and protein detection, and high-sensitivity detection and absolute quantitative analysis on a single virus level are realized by adopting a droplet microfluidic technology.

The utility model discloses an evaporative non-aqueous phase on-line automatic measuring device for trace boron, which comprises a measuring mechanism, the measuring mechanism comprises a water scooping box, a measuring channel which is connected and communicated with the water scooping box, an inserting column which is movably inserted into the measuring channel, a rubber sleeve which sleeves the inner end of the inserting column and is attached to the inner wall of the measuring channel, a water quality detector which penetrates through the inner end of the inserting column, and a water outlet which is formed in one side of the measuring channel. According to the utility model, the insertion column is pulled to enable the rubber sleeve to open the water outlet, so that sample water can flow out conveniently, then clear water is injected into the water scooping box and flows out from the water outlet, the purpose of cleaning is achieved, the cleaning mode is simple, and the use is convenient.