25results about "Gas dispersion analysis" patented technology

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.

The present disclosure provides apparatuses, systems, and methods for performing particle analysis through flow cytometry at comparatively high event rates and for gathering high resolution images of particles.

A computer-implemented method for characterizing a heterogeneous material comprising dispersed components, particularly particulate components, dispersed within a continuous phase of a condensate comprises the steps of: a) providing or selecting a sample of the heterogeneous material to be analyzed; b) acquiring at least one digital image of the sample by a camera of a computing device, particularly a mobile computing device, or by a camera connected to a computing device, particularly a mobile device, and / or by reading into the computing device at least one digital image previously recorded by a stand-alone camera; and c) determining the following characteristics: size parameters, particularly granularity parameters, shape parameters, and the like, determined by image analysis in the at least one digital image. performing image analysis, in particular image particle analysis, of at least one digital image to extract one or more of the following characteristics: particle shape parameters, in particular particle distribution, orientation parameters, in particular particle orientation parameters, surface parameters, in particular particle surface parameters, roughness parameters, in particular particle roughness parameters, packing density, uneven distribution parameters, color, and / or area fraction of components, in particular particulate components; and / or area fraction of continuous phases identified by image analysis in the at least one digital image; d) making one or more of the extracted characteristics in step c) available via a user interface, via a machine interface, and / or on a data storage medium.

The invention relates to a system (1) for producing bubbles (2) and / or drops (32), wherein the system (1) comprises a production device (3) for the bubbles (2) and / or drops (32) which has a nozzle (4) and a monitoring device (5) for monitoring a production operation of the production device (3).In order to produce bubbles (2) and / or drops (32) with a desired defined buoyancy neutrality and consistency, and to be able to selectively adjust the properties of the bubbles (2) and / or drops (32) during production, it is proposed that the monitoring device (5) includes a sound transducer (6) which is configured to generate signals depending on sound waves (7) produced by the production of the bubbles (2) and / or drops (32), wherein the monitoring device (5) includes an evaluation device (8) which is configured to evaluate the signals generated by the sound transducer (6) to determine a characteristic property of the bubbles (2) and / or drops (32) produced by the production device (3) and / or to determine a characteristic parameter of the production.

The present disclosure describes an apparatus (612), a method (200), a system (600), and a computer program product (642) for detecting bubbles in an image of a sample in a well of a well plate. In an exemplary embodiment, a computer-implemented method, system, and computer program product includes receiving, by a computer system (600), at least one image (210) of at least one well of a well plate containing a liquid sample; performing, by the computer system (600), a set of logical operations (212) of cropping the image to include the hole of interest; and performing, by the computer system (600), a set of logical operations of processing the cropped image by the trained convolutional neural network, thereby obtaining a probability (214) that the image depicts at least one bubble.

A method for measuring a remaining amount of a liquid within a liquid storage container includes: discharging the liquid within the liquid storage container to outside through a suction tube, observing a size or a number of bubbles contained in the liquid passing through a light transmitting part; 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.

To detect bubbles formed in a medical procedure.SOLUTION: A system for visualizing one or more bubbles formed by a catheter includes a fluid container, a pulse generator, a schlieren imaging assembly, and a processor. The fluid container is configured to (i) contain a fluid, and (ii) receive, in the fluid, the catheter having one or more electrodes. The pulse generator is configured to apply one or more pulses to at least one of the electrodes. The schlieren imaging assembly is configured to acquire schlieren images of the bubbles occurring in the fluid when applying the one or more pulses, and the processor is configured to visualize the bubbles using the schlieren images.SELECTED DRAWING: Figure 1

A bubble forming device (500) according to an embodiment, a bubble growing nozzle (100) has a tip portion (110) to be disposed in a liquid (LQ) to grow a bubble (BS) at the tip portion (110). A large-bubble holding member (300) holds a large bubble (BL) at a position facing the tip portion (110) of the bubble growing nozzle (100) in the liquid (LQ), the large bubble (BL) being larger than the bubble (BS). By an attraction force (AF) due to a hydrophobic interaction between the bubble (BS) at the tip portion (110) of the bubble growing nozzle (100) and the large bubble (BL) held by the large-bubble holding member (300), the bubble (BS) is detached from the tip portion (110) of the bubble growing nozzle (100) and the detached bubble BS is released into the liquid (LQ).

The application provides a method, an apparatus and a device for evaluating a dynamic diffusion of natural hydrogen in rock pores. The method includes: performing, at a target pressure and a target temperature, a simulation calculation of a natural hydrogen adsorption based on a pre-constructed pore model of a rock to be evaluated, and determining an average number of hydrogen molecules adsorbed in the rock pores when the natural hydrogen is saturated at the target pressure and the target temperature; determining a natural hydrogen content, based on lithologic parameters, the average number of hydrogen molecules, the target pressure and the target temperature; adding one or more preset gases to the pre-constructed pore model, determining a loss content of the natural hydrogen, and determining a diffusion coefficient of the natural hydrogen; determining a diffusion evaluation parameter, based on the natural hydrogen content, the loss content and the diffusion coefficient.

A measuring method and a measuring system of a microbubble dispersion liquid for measuring characteristics of the microbubble dispersion liquid while distinguishing between fine particles and differentiating them into microbubbles and solid particles is disclosed. A measuring system measures characteristics of a microbubble dispersion liquid under test, and the system includes a microcapillary holding the liquid under test, a laser device irradiating the liquid under test inside the microcapillary with laser light, a magnetic device that applies a time-varying magnetic field to the liquid under test within the irradiation area with laser light, a digital microscope detecting scattered light generated from fine particles contained in the liquid under test by irradiation with laser light, and a measurement device that measures characteristics of the test liquid by distinguishing between the fine particles and differentiating them into microbubbles and solid particles based on the brightness of scattered light detected by the microscope.

The present invention relates to a method for determining the median radius R0 of a collection of bubbles contained in a foamed liquid medium suitable for curing and, after curing, for forming a solid construction material or a solid polymer foam. The method comprises the steps of transporting the foamed medium into a cavity, emitting an ultrasonic wave pulse towards the cavity, detecting the pulse, measuring a component selected from an amplitude of the detected pulse and a phase of the pulse, and then determining the median radius R0 of the bubbles in the foamed medium within the cavity from the determined component. Figure for the abstract: Fig. 1

The liquid chemical detection device of the present application includes: a base portion formed with an inlet for inflow of a liquid chemical; a flow passage portion including: a first region portion disposed adjacent to the inlet of the base portion, and in which the liquid chemical inflowing from the inlet moves at a changed fluid velocity; and a second region portion in series communication with the first region portion, and in which the liquid chemical discharged from the first region portion moves; a sensing portion including: a first sensing member that senses a first signal as an electrical signal of the first region portion; and a second sensing member that senses a second signal as an electrical signal of the second region portion; and a discriminating portion that receives the signals from the sensing portion, judges that a particle and a bubble are sensed when the electric currents of the first signal and the second signal change with respect to a reference value, and discriminates the particle and the bubble according to the electric current difference of the first signal and the second signal or the time difference of the electric current change.

Device (10) for measuring the particle characteristics of a particle (12) located in a measuring volume (14) of the device (10). The device (10) has a light source (16) for generating a light beam (18) that passes through the measuring volume (14) and whose polarization in a cross-sectional plane (30) can be described by a spatially dependent Stokes vector that has a spatially dependent S3 Stokes parameter. Furthermore, the device (10) has a detector unit (34) configured to measure an S3 Stokes parameter of the light beam (18) reflected and / or scattered by the particle (12) and to output a measurement signal as a function of the measured S3 Stokes parameter, and an evaluation unit (82) configured to determine the particle characteristics as a function of the measurement signal from the detector unit (34).

The present disclosure describes an apparatus (612), method (200), system (600) and computer program product (642) of detecting bubbles in images of a sample in wells of a well plate. In an exemplary embodiment, In an exemplary embodiment, the computer implemented method, the system, and the computer program product include receiving, by a computer system (600), at least one image of at least one well of a well plate containing a liquid sample (210), executing, by the computer system (600), a set of logical operations cropping the image to include a well of interest (212), and executing, by the computer system (600), a set of logical operations processing, by a trained convolutional neural network, the cropped image, resulting in a probability that the image depicts at least one bubble (214).

A device for particle sensing is disclosed. The device includes a sensor including a bulk acoustic wave resonator having a resonant frequency, an acoustic mirror arranged to support the resonator, and a heater in thermal communication with the resonator such that a resonator temperature is based on a heater temperature. The device also includes circuitry connected to the sensor. The circuitry comprises a driver configured to drive the heater with a driver signal having a constant periodic cycle, and an oscillator configured to generate an output signal indicative of the resonant frequency. The resonant frequency is modulated by the resonator temperature.

A device (10) for measuring the particle characteristics of a particle (12) located in a measuring volume (14) of the device (10), comprising: a light source (16) for generating a first light beam (18) and a second light beam (20), each passing through the measuring volume (14); a detector device (69) configured to detect the first light beam (18) and the second light beam (20) reflected and / or scattered by the particle (12) and to output an intensity signal; and an evaluation unit (82) configured to determine the particle characteristics as a function of the intensity signal. The first light beam (18) and the second light beam (20) propagate within the measuring volume (14) along a beam axis (30, 32).The ray axis (30) of the first light ray (18) and the ray axis (32) of the second light ray (20) define between them a propagation angle (34) which is not equal to 0°.

The present application provides an evaluation method and apparatus for dynamic diffusion of natural hydrogen in rock pores, and a device. The method comprises: performing hydrogen adsorption simulation calculation at a target pressure and a target temperature on the basis of a pre-constructed pore model of a rock to be evaluated, and determining the average number of hydrogen molecules adsorbed in pores when hydrogen reaches saturation at the target temperature and the target pressure; on the basis of lithological parameters of said rock, the average number of hydrogen molecules adsorbed in the pores at the target temperature and the target pressure, the target pressure, and the target temperature, determining the content of natural hydrogen in the rock pores; adding a preset gas into the pore model, and when the pore model is saturated at the target pressure and the target temperature, determining the loss content of natural hydrogen, and determining a diffusion coefficient of natural hydrogen; and determining a diffusion evaluation parameter on the basis of the content of natural hydrogen in the rock pores, the loss content of natural hydrogen, and the diffusion coefficient of natural hydrogen. The present application can improve the accuracy of evaluation for diffusion of natural hydrogen.

The present disclosure provides apparatuses, systems, and methods for performing particle analysis through flow cytometry at comparatively high event rates and for gathering high resolution images of particles.

A computer-implemented method, includes steps: providing or selecting a sample of heterogeneous material to be analyzed; b) taking at least one digital image of the sample with a camera of a computer device, mobile computer device, or camera connected to a computer device, in which at least one digital image that was pre-recorded with standalone camera; c) performing image analysis, of at least one digital image extracting following properties: a size parameter, shape parameter, particle shape parameter, spatial distribution, orientation parameter, surface parameter, particle surface parameter, roughness parameter, packing density, segregation parameter, color, and / or an area share of constituents, particle-shaped constituents, identified by image analysis in at least one digital image; and / or an area share of continuous phase identified by image analysis in at least one digital image; and d) making available one or more properties extracted in step c) via user interface, machine interface and / or data storage medium.

A measurement device includes: a vision sensor that is arranged facing an illumination surface of an illumination unit emitting light, and acquires pixel data asynchronously in accordance with the amount of light incident on each of a plurality of pixels arranged two-dimensionally; an imaging control unit that causes the vision sensor to capture an image; and a measurement unit that measures information related to a target object on the basis of the image captured by the imaging unit.

An apparatus for estimating a location of a contamination source in a designated space includes a processor, and a memory operatively connected to the processor and storing instructions that, when executed by the processor, cause the apparatus to measure a concentration of a contaminant diffusing from the contamination source within the designated space by using at least one sensor and estimate the location of the contamination source based on the measured concentration, where the instructions cause the processor to estimate the location of the contamination source by using a neural network trained to output the location of the contamination source when the measured concentration is input.

The invention relates to a device (10) for measuring a particle characteristic of a particle (12) located in a measurement volume (14) of the device (10). The device (10) has a light source (16) for generating a light beam (18) which passes through the measurement volume (14) and the polarization of which in a cross-sectional plane (30) can be described by means of a location-dependent Stokes vector which has a location-dependent S3 Stokes parameter. Furthermore, the device (10) has a detector apparatus (34) which is designed to measure an S3 Stokes parameter of the light beam (18) reflected and / or scattered off the particle (12) and to output a measurement signal on the basis of the measured S3 Stokes parameter, and an evaluation unit (82) which is designed to determine the particle characteristic on the basis of the measurement signal of the detector apparatus (34).

The invention relates to a device (10) for measuring a particle characteristic of a particle (12) located in a measurement volume (14) of the device (10), comprising: a light source (16) for generating a first light beam (18) and a second light beam (20), which each pass through the measurement volume (14); a detector apparatus (69) which is designed to detect the first light beam (18) reflected and / or scattered off the particle (12) and the second light beam (20) reflected and / or scattered off the particle (12) and to output an intensity signal; and an evaluation unit (82) which is designed to determine the particle characteristic on the basis of the intensity signal. The first light beam (18) and the second light beam (20) propagate along respective beam axes (30, 32) in the measurement volume (14). The beam axis (30) of the first light beam (18) and the beam axis (32) of the second light beam (20) define a propagation angle (34) not equal to 0° therebetween.

The invention relates to a method for generating and measuring liquid-gas mixtures, in particular oil foams. A liquid is introduced into a container (1). A portion of the liquid from the container (1) is conveyed through a mixing circuit (2), whereby a gas is added to the liquid to generate a liquid-gas mixture, particularly one containing gas bubbles. The liquid-gas mixture is then returned to the container (1). Furthermore, a portion of the liquid-gas mixture is conveyed through a measuring circuit (3), whereby optical image data of the liquid-gas mixture are acquired in a measuring area (3a) to measure any gas bubbles contained therein. The liquid-gas mixture is then returned to the container (1). The image data are analyzed to determine a measured value of the contact area per volume between the liquid and the gas from the total surface area of ​​the gas bubbles.Furthermore, it is planned that a target value for the contact area per volume in the liquid-gas mixture will be set by iteratively repeating process steps.

The invention relates to a method for producing and measuring liquid-gas mixtures, in particular oil foams. A liquid is introduced into a container (1). Some of the liquid from the container (1) is conveyed through a mixing circuit (2), wherein a gas is fed to the liquid in order to produce a liquid-gas mixture, in particular with gas bubbles, following which the liquid-gas mixture is fed back to the container (1). Furthermore, some of the liquid-gas mixture is conveyed through a measurement circuit (3), wherein optical image data relating to the liquid-gas mixture are recorded in a measurement region (3a) in order to measure gas bubbles contained in said liquid-gas mixture, following which the liquid-gas mixture is fed back to the container (1). The image data are analyzed in order to determine a measured value of a contact area, per unit of volume, between the liquid and the gas from the total surface area of the gas bubbles. Furthermore, a target value of the contact area per unit of volume in the liquid-gas mixture is set by iteratively repeating method steps.