580results about "Volume measurement apparatus/methods" patented technology

The invention belongs to the field of atmospheric environment particulate matter monitoring, and particularly relates to an atmospheric environment salt mist concentration real-time monitoring device and method. The monitoring device comprises a computer control module, a container and a buoy, a conductivity electrode, a temperature sensor, a displacement sensor, an air inlet pipe and an air outlet pipe are integrated on the top of the container, and the air outlet pipe is connected with a reciprocating cylinder with a piston and a limit switch. The monitoring method comprises the following steps: calibrating the initial volume V < initial > of liquid and the volume V < initial > of a reciprocating cylinder; circularly collecting the conductivity k0 and k1, the temperature T0 and T1 and the displacement D and Dtotal of the buoy before and after ventilation; correcting the salt mass increment delta M through the dynamic volume, and finally outputting the salt mist concentration C; according to the invention, the defects of inaccurate ventilation volume metering, solution density change and interference of moisture in high-humidity air on concentration monitoring in the prior art are overcome, full-automatic continuous monitoring of the salt mist concentration is realized, the measurement error is effectively reduced, the measurement precision and the monitoring capability are remarkably improved, and the method has relatively good environmental adaptability.

An automated urinary output (“UO”)-measuring system includes a fluid container including a console coupled to one or more ultrasonic sensors and one or more accelerometers. The console includes a processor configured to receive accelerometer values from the one or more accelerometers, to determine an acceleration state of the fluid container, to activate the one or more ultrasonic sensors when the acceleration state of the fluid container is below a threshold, and to measure a volume of fluid in the fluid container when the acceleration state of the fluid container is zero. The system can further include a removable valve coupled to the fluid container and an attachment device including a pocket configured to accommodate the fluid container.

The invention relates to the technical field of ecological environment protection, in particular to a mangrove forest carbon sink monitoring and metering method based on an unmanned aerial vehicle, a radar and an AI technology, and the method comprises the steps: 1, obtaining the laser radar data of a mangrove forest through a laser radar carried by the unmanned aerial vehicle; step 2, acquiring elevation data in a mangrove forest vegetation layer area, and obtaining point cloud data after topographic error correction; 3, obtaining a multispectral image of the mangrove forest, and obtaining a multispectral data matrix; 4, identifying forest growth data features, constructing a mangrove forest carbon sink prediction model, and predicting the mangrove forest carbon sink amount; step 5, marking the image region with the NDVI value higher than a preset NDVI threshold value as a blade over-dense region; and according to the area of the overdense leaf region and the multispectral data matrix, calculating a light depression factor by using a photosynthetic depression factor formula, determining the carbon sink deviation of the overdense leaf region by using a regional carbon sink deviation formula, and obtaining a real carbon sink value of the mangrove forest according to a carbon sink calculated value obtained by prediction.

The embodiment of the invention provides a material volume detection method, device and equipment for a quantitative bin and a detection system. The method comprises the following steps: acquiring at least two pieces of first point cloud information acquired by at least two laser radars respectively; carrying out fusion processing on the at least two pieces of first point cloud information to obtain fusion point cloud information of the materials in the quantitative bin; and determining volume information of the materials in the quantitative bin according to the fused point cloud information. According to the scheme, the problem that shielding exists in a single radar or manual inspection accuracy is poor is effectively solved, real-time monitoring of the material volume in the dynamic discharging process is achieved, and reliable data support is provided for quantitative control.

The invention provides a pipettor automatic calibration positioning and accuracy evaluation method based on photoelectric sensing, and relates to the technical field of pipettor calibration, and the method comprises the following steps: arranging an annular photoelectric sensor array to collect interference fringe phase difference, liquid level reflection light signals and surface acoustic wave signals, and adopting a five-step phase shift method to obtain a three-dimensional displacement vector; dynamic calibration is achieved through liquid level morphological parameter analysis in combination with adaptive Kalman filtering, numerical simulation is conducted on the liquid drop forming process through time-frequency analysis and a fluid mechanics model, and finally the accuracy is evaluated through adaptive fuzzy reasoning and Bayesian estimation. According to the invention, high-accuracy automatic calibration and evaluation of the pipettor are realized.

An analytical instrument having a syringe size identification functionality includes a syringe pump with syringe having size Vsyri, an electric drive, a valve downstream of the syringe, a pressure sensor between the syringe and the valve, a constant downstream volume Vc and a processor configured to control the electric drive to move the plunger from L0 for detecting pressure P1 to a pressure detection position Ld for detecting P2 using the pressure sensor. The processor is configured to calculate the theoretical pressure P2* using a modified version of Boyle's law: P2*=P1(Vsyri+Vc) / (Vsyri(1−x)+Vc) and compare the theoretical pressure P2* with the detected pressure P2. When the theoretical pressure P2* equals the detected pressure P2, the analytical system is released for use.

The invention discloses a hematemesis volume intelligent determination method based on image identification and data analysis, and relates to the technical field of artificial intelligence auxiliary diagnosis, and the method comprises the following steps: constructing a spattering phase and spectrum combined observation baseline through a blood spattering imaging sequence, analyzing a light spot transient track through a time-frequency phase-locked calibration mechanism, extracting high-frequency reflection characteristics, and determining the hematemesis volume according to the high-frequency reflection characteristics. Generating a light spot prior set for interference identification; according to the distribution characteristics of the light spot prior set, multi-angle linear polarization image sampling and multi-interval adaptive exposure adjustment are executed, a stable coupling characteristic stack of color characteristics and texture characteristics is constructed, and a unified spectrum reference is provided for track identification processing. By introducing phase-spectrum combined observation, multi-angle polarization sampling and a dynamic regulation and control mechanism, a steady-state feature stack and a track topological graph are constructed, light spot interference stripping and volume fitting stabilization are achieved, the accuracy, real-time performance and robustness of hematemesis volume recognition are improved, and the method has remarkable clinical application value.

A gas leakage rate testing apparatus and method for a nonmetal hydrogen conveying pipeline, and a nonmetal hydrogen conveying pipeline volume expansion amount testing method. The gas leakage rate testing apparatus comprises: a test member (1), in which a test cavity (16) adapted to place a pipeline (31) to be tested is formed, wherein a sealed test cavity (11) is formed after said pipeline (31) is placed in the test cavity (16); a calibration cavity (21) selectively communicated with the test cavity (11); a first gas filling assembly (10) selectively communicated with the calibration cavity (21) so as to be adapted to inject gas of a first set pressure into the calibration chamber (21); a measurement unit (9) configured to measure the pressure and temperature in the calibration cavity (21) and the pressure and temperature in the test cavity (11), and calculate the volume of the test cavity (11); and a leakage rate test unit configured to acquire a pressure change value of the test cavity (11) within a preset time interval, and calculate the gas leakage rate of said pipeline (31). The technical problem that gas leakage rate testing is inaccurate due to the measurement of the volume of the test cavity (11) being difficult or inaccurate is solved. In the nonmetal hydrogen conveying pipeline volume expansion amount testing method, after gas leakage rate testing is ended, a measurement unit (9) calculates a second volume of a test cavity (11) on the basis of a second formula, and on the basis of the difference between a first volume and the second volume, calculates the volume expansion amount of a pipeline (31) to be tested.

A system and method for dispense characterization is disclosed. According to particular embodiments of the dispense characterization system and method, volumes of dispensed liquids can be determined. In more particular embodiments, additional characteristics, and combinations of characteristics of a liquid dispensing event can be determined. Examples of additional characteristics that can be determined include the shape of the dispensing event, the velocity of the dispensing event, and the trajectory of the dispensing event. The dispense characterization system and method can be employed in automated biological sample analysis systems, and are particularly suited for monitoring liquid reagent dispensing events that deliver liquid reagents to a surface of a microscope slide holding a biological sample.

The invention belongs to the technical field of space geodetic survey observation data inversion regional land water reserve change, and provides a method and related equipment for inversion of land water reserves based on a Slepian basis function combined with GNSS three-dimensional deformation, and the method comprises the steps: obtaining vertical and horizontal deformation observation values of GNSS through simulation; determining a Slepian primary function of the target area according to the boundary data and a preset maximum expansion order, and further determining a function relationship between a Slepian coefficient of GNSS three-dimensional deformation and a Slepian coefficient driven by mass load change; determining an observation equation according to the function relationship, and resolving the observation equation by adopting least square joint adjustment; and according to the Slepian coefficient driven by the mass load change, carrying out inversion on the regional land water reserves of the target region to obtain a regional land water reserve change result. The method has the beneficial effect that the precision and efficiency of regional land water reserve inversion are improved.

This present disclosure provides reliable methods and apparatus for delivering microdroplets containing an active pharmaceutical ingredient (API) to underlying substrates. A control system is provided to ensure that the API dosage is both accurate and repeatable.

A gas permeation and leakage rate testing device and method for a non-metallic hydrogen transmission pipe. The device includes: a testing member formed with a testing cavity adapted to placing a to-be-tested pipe, and the testing cavity being formed with a sealed testing chamber after the to-be-tested pipe is placed therein; a calibration chamber selectively communicated with the testing chamber; a first gas-filling assembly selectively communicated with the calibration chamber to be adapted to filling a gas into the calibration chamber to a first set pressure; a measuring unit configured to measure pressures and temperatures in the calibration chamber and the testing chamber, and to calculate a calculated volume of the testing chamber; and a permeation and leakage rate testing unit configured to obtain a pressure change value of the testing chamber in a preset time interval and calculate a gas permeation and leakage rate of the to-be-tested pipe.

The present invention relates to a method for determining a first fluid quantity in a second fluid quantity in a fluid-carrying element of a lithography system, comprising filling the fluid-carrying element with the second fluid quantity, performing a first rinsing process in the fluid-carrying element with the second fluid quantity for a first rinsing time at a first flow velocity along a first rinsing direction, detecting the first fluid quantity in the second fluid quantity, performing a second rinsing process in the fluid-carrying element with the second fluid quantity for the first rinsing time at the first flow velocity along a second rinsing direction which is opposite to the first rinsing direction, detecting the first fluid quantity in the second fluid quantity again, and determining the first fluid quantity based on the detection and the re-detection.

The utility model discloses a gas sampling device for environmental monitoring, which particularly relates to the field of environmental monitoring and comprises a sampling box, and an auxiliary sampling mechanism is mounted in the sampling box. By arranging the auxiliary sampling mechanism, the detection accuracy of environmental gas is improved, the whole device is placed in an environment needing to be monitored, gas in the environment needing to be monitored is sucked in through the sampling pipe by starting the pump body, the gas passes through the pump body and then is transmitted to the injection pipe through the corrugated pipe, and therefore the fixed disc is controlled to move downwards through the hydraulic rod; the injection pipe penetrates through the first butyl rubber plug and the second butyl rubber plug, gas is input into the gas storage tank to be stored, the gas is compressed through the hydraulic rod after being input, the injection pipe is arranged in the processing cavity, and meanwhile the gas meter automatically records and displays the volume or concentration of the gas in the gas storage tank. In the sampling and discharging process, multiple safety measures are taken, and the gas collection sealing effect is improved.

The invention provides a laser radar and IMU (inertial measurement unit)-based continuous dynamic monitoring system and method for the volume of discharged slag in a tunnel, and the method comprises the steps: obtaining three-dimensional laser point cloud data of slag flow under high-speed operation of a belt conveyor through a high-frequency laser radar, a process sensor and a speed measurement sensor, and introducing an IMU (inertial measurement unit) which is rigidly and fixedly connected with the radar; and motion compensation is carried out on point cloud distortion and jitter caused by equipment vibration and belt jumping. In the aspect of data processing, after preprocessing of filtering, abnormal value elimination, smoothing and the like, a muck flow contour automatic extraction method is provided by analyzing spatial morphological characteristics of point cloud on a scanning line, and an instantaneous flow and accumulated volume calculation mathematical model based on surface element integration is established on the basis of stable point cloud corrected by an IMU (Inertial Measurement Unit). The method has the advantages that high measurement precision and repeatability can still be kept under the working conditions of high belt speed and strong vibration, and reliable technical support is provided for continuous dynamic monitoring of the deslagging volume in tunnel construction.

The invention relates to a device (1) for optically monitoring the dosing of a liquid to be pipetted for an automated analyzer. The device comprises a dosing device (2) including a pipetting needle for pipetting the liquid, an illumination device (3) for illuminating a drop (4) of the liquid adhering to the pipetting needle, a camera (5) with optics for capturing an image of the drop (4) of the liquid, and an evaluation device (6) for characterizing the drop (4) of the liquid by means of an automated evaluation of the image of the drop (4) of the liquid.

The application provides an oil tank oil quantity detection method, device, oil quantity display method and oil tank; the method comprises the following steps: acquiring first oil quantity parameters and second oil quantity parameters of a main oil tank and a vice oil tank respectively; calculating the first oil quantity of the main oil tank according to a first calibration relationship corresponding to the first oil quantity parameters; calculating the second oil quantity of the vice oil tank according to a second calibration relationship corresponding to the second oil quantity parameters; correcting the oil quantity calibration point of the main oil tank calibration by using a linear interpolation algorithm according to the first oil quantity and the second oil quantity, so as to obtain the calibration oil quantity of the main oil tank; and acquiring the total oil quantity of the oil tank according to the calibration oil quantity of the main oil tank and the oil quantity of the vice oil tank. The oil quantity jumping problem in the oil quantity collection process of the saddle type oil tank is effectively solved, the oil quantity collection error is reduced, more reliable data is provided for oil quantity monitoring and management, and the accuracy and stability of the system to the oil quantity state are improved.

The invention relates to a method for detecting the arrival of a liquid front in a valve (10) comprising: - a step of applying a control signal (Uper) to the valve so as to continuously switch the valve (10) between two switching positions, namely an open position and a closed position, the duration between the transition from one switching position to the other corresponding to one operating cycle, - a step of measuring at least one parameter of an electrical signal (Irep) of the valve (10) during each operating cycle, and - a step of detecting the arrival of a liquid front in the valve (10) based on a temporal change in the parameter of the electrical signal (Irep) of the valve (10). Figure 1

A monitoring apparatus for monitoring fluid flow into or out of a patient comprises a fluid flow sensor and an output means. The fluid flow sensor is configured to attach to a fluid line fluidly connected to the patient and measure fluid volume data comprising data proportional to the volume of fluid which has passed through the fluid line over a time period. The monitoring apparatus is configured to determine, using the fluid volume data, a volume of fluid which has passed through the fluid line over the time period. The output means is configured to provide an output based on the volume of fluid and the time period.

The present application relates to the technical field of spent fuel reprocessing, in particular to a 1AF metering tank gas damper adjusting device and method, the 1AF metering tank gas damper adjusting device comprising a fixed rack and a plurality of stirring mechanisms, the fixed rack being arranged directly above the 1AF metering tank, and the stirring mechanisms being movably arranged on one side of the fixed rack close to the 1AF metering tank. Through the adjustment of the fixed rack and the stirring mechanisms, the horizontal position and the vertical position of the stirring mechanisms can be quickly adjusted, and then the stirring effect of the gas damper in the 1AF metering tank with different number and arrangement position of the gas damper can be tested, so that the number and position arrangement of the gas damper in the 1AF metering tank can be confirmed and fixed, and the type, number and position arrangement of the stirring device in the 1AF metering tank with 1:1 scale of the commercial spent fuel reprocessing plant for the accurate metering of the 1AF liquid volume are provided with reference, the traditional fixed welding method is avoided, and the manpower, material resources and financial resources for the 1AF metering tank gas damper adjustment test are saved.

One or more sensors generate signals that can be used to detect at least one of a volume measurement or a volume flow measurement of plant debris or other material generated by a work machine. The volume measurement can be made in a container that holds the plant debris or other material. The volume measurement and / or the volume flow measurement can be used to characterize a work region covered by the work machine.

The utility model provides a device for detecting the amount of spread asphalt, which comprises an asphalt spreading vehicle and a collecting cylinder, the tail part of the asphalt spreading vehicle is connected with a detection spray pipe through a pipeline, the bottom end of the detection spray pipe is uniformly provided with detection nozzles, and one of the detection nozzles corresponds to the collecting cylinder. The device has the following beneficial effects that the flow of all the detection nozzles on the asphalt spreading vehicle is adjusted to be consistent, the uniform spreading of all the detection nozzles is ensured, the asphalt spreading vehicle runs on the ground, and in the constant-speed running process of the asphalt spreading vehicle, all asphalt sprayed out of the detection nozzles is collected by the collection barrel, so that the asphalt spreading vehicle is convenient to use. Asphalt sprayed by other nozzles is evenly spread on the road surface, the area of the position, not sprayed by the asphalt, on the road surface is calculated, the non-sprayed asphalt amount of the area is finally obtained, namely the amount of the asphalt collected in the collecting barrel, the design is simple, the collecting barrel for collection is convenient to fix, and the weight of the collected asphalt is finally obtained.

The utility model relates to the technical field of fishery breeding equipment, and discloses a touch type bait feeder convenient for feeding, which comprises a suspension block, a triggering quantitative feeding part and a positioning induction triggering part, and a suspension ring is sleeved on the outer wall of the suspension block. Through cooperation of the mounting block, the take-up wheel, the connecting line and the positioning anchor, the feeder can be positioned at a specific position in a fishpond, the feeding position of the feeder can be set in advance according to distribution habits of fish schools and water quality difference areas in large-scale fishpond cultivation, the ultrasonic fish school detector plays a key role, and the feeding effect of the feeder is improved. The dynamic states of fish schools around the feeder, including the number of the fish schools, the distance from the feeder and the swimming speed of the fish schools, can be monitored in real time, and when the ultrasonic fish school detector detects that a large number of fish schools are close to the feeder and the density of the fish schools exceeds a preset threshold value, a signal is transmitted to the controller; and the controller controls the stirring motor to start according to a signal received by the controller, and quantitative feeding is carried out.

The present application relates to a kind of boiler continuous blowdown flow measuring device and measuring method, for the measurement of continuous blowdown expansion vessel flow, including remote liquid level measuring cylinder and in-place liquid level measuring cylinder;Remote liquid level measuring cylinder is equipped with measuring device and control device;Measuring device includes remote liquid level measuring cylinder measurement result display instrument and remote liquid level measuring cylinder measurement 0 water level display instrument;Remote liquid level measuring cylinder top is equipped with air release valve;Air release valve includes valve body joint, valve body, sealing umbrella, guide column and sealing column;Continuous blowdown expansion vessel is equipped with drain pipeline assembly, drain pipeline assembly includes drain valve, drain pipe and water test valve;A kind of boiler continuous blowdown flow measuring method, including measurement preparation, the determination of measurement start time, measurement end time determination, calculate blowdown amount etc.The beneficial effects of the present application are that, by the measuring device and the measuring method provided, the flow of boiler continuous blowdown can be accurately calculated, and then it is judged whether the boiler is normal.

The embodiment of the invention discloses a coal mining working area carbon emission dynamic monitoring method, and belongs to the field of gas monitoring, and the method comprises the steps: dividing a monitoring area into a real-time operation area and a peripheral monitoring area; planning a ground monitoring path of a ground platform in the real-time operation area, and planning an air monitoring path of an air platform in the peripheral monitoring area; respectively collecting monitoring data along a ground monitoring path and an air monitoring path by using a ground platform and an air platform; eliminating interference turbulence data introduced by vibration of equipment in the coal mining working area from the monitoring data to generate effective data; and calculating the carbon emission of the real-time operation area and the peripheral monitoring area based on the effective data. Through path planning and mobile cooperative data monitoring, the influence of strong airflow disturbance in a coal mining working area is effectively overcome, and accurate monitoring of carbon emission is realized.

The invention relates to the technical field of cable combustion performance detection, in particular to cable combustion smoke measurement equipment and an automatic calibration method. The equipment comprises an attenuation slice switching device, a test box, a smoke exhaust pipeline and a control device, the attenuation slice switching device is provided with a plurality of attenuation slices, the light transmittance of the attenuation slices is sequentially increased from 0% to 100%, a smoke outlet is formed in the top of the test box, and the inlet end of the smoke exhaust pipeline is arranged above the smoke outlet; the middle of the smoke exhaust pipeline is communicated in the radial direction to form two opposite open holes, a white light source and a photoelectric detector are arranged at the two open holes respectively, and the attenuation piece switching device, the white light source and the photoelectric detector are all electrically connected with the control device. The control device controls the attenuation slice switching device to switch attenuation slices with various light transmittances to be blocked between the white light source and the photoelectric detector; the method is used for automatically calibrating the equipment. According to the cable combustion smoke measurement equipment and the automatic calibration method, the operation is simple, and the calibration effect is good.

The present invention relates to automated operations for the preparation of medicaments, in particular image-based progression and / or result verification, and / or detection of fault conditions related to dissolution of a medicament material contained in a vial. In some examples, imaging and image processing are used to track the progression of a process that converts solids and / or concentrated materials (e.g., crystallized and / or lyophilized) to fluid solutions and / or suspensions. The dilution time may change along with the change of conditions; detection of fault conditions may reduce risk and / or reduce waste. In some examples, the amount of fluid used in dissolution / dilution itself is monitored at one or more stages. The invention also relates to methods of evaluating the fluid content of vials, including vials dispensed for manual manipulation, which may include viewing obstructions, such as labels.

The present invention relates to a method for measuring a remaining amount of a liquid within a liquid storage container, the method including: discharging the liquid within the liquid storage container to the outside through a suction tube inserted into the liquid storage container; observing a size of a bubble or the number of bubbles contained in the liquid passing through the light transmitting part through a vision device that emits light toward the light transmitting part of the suction tube; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.