70results about "Gas dispersion analysis" patented technology

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.

Embodiments herein relate to systems for detecting air bubbles in fluids. In an embodiment, a fluid system aeration detector is included having an optical air bubble sensor. The optical air bubble sensor can include a light source, a light detector, and a sensor controller. The sensor controller can be in signal communication with the light detector and can be configured to detect air bubbles based on the signals received from the light detector. The sensor controller can further be configured to estimate an amount of aeration of a fluid based on the detected air bubbles. Other embodiments are also included herein.

The invention relates to a method for particle detection in liquid medium, wherein an excitation light is applied to the liquid medium, the excitation liquid generating a respective bubble around one or more particles. An ultrasonic wave is used in order to expand the size of the bubbles. The bubbles are then detected. The invention relates further to a corresponding apparatus.

A method for determining a characteristic of a flowing fluid having particles in a sample space by Fourier domain optical coherence tomography includes estimating a velocity of the fluid in the sample space; controlling an optical scanner to radiate a beam of light along an optical path to the fluid in the sample space and to sense a signal of interference of measurement light scattered back along the optical path mixed with reference reflected light, while moving the optical scanner, where the beam of light is moved with a scanner velocity being aligned with a velocity component of the velocity of the fluid perpendicular to the optical axis of the beam of light, processing the signal into a corresponding complex-valued optical path length resolved OCT signal, where the OCT signal represents the fluid in the sample space; determining the characteristic of the fluid based on the OCT signal.

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 discloses a hydraulic oil health monitoring method. The method comprises the following steps: acquiring a real-time image of hydraulic oil flowing through a sampling pipeline by means of an imaging system, and detecting oil product parameters of the hydraulic oil by means of an oil product sensor; determining pollutant information based on the real-time image, wherein the pollutant information describes characteristics of pollutants in the hydraulic oil; and determining the current health condition of the hydraulic oil according to the pollutant information and the oil product parameters. According to the scheme, more comprehensive and accurate oil product parameters and particle pollutant information are obtained in a multi-sensor and multi-mode detection mode, so that the health state of the hydraulic oil can be determined more accurately.

A device comprising a gel-coupled force sensor for detecting bubbles and / or blockages in fluids using light sources and / or ultrasonic transducers is provided. The devices may include a housing having a gel-coupled force sensor, wherein the gel-coupled force sensor comprises a substrate, at least one force sensing element, at least one application-specific integrated circuit (ASIC), a cover for the at least one force sensing element and the at least one ASIC, a gel for covering the force sensing element, a mesh layer proximate to the top of the gel, a barrier layer proximate to the mesh layer, and a membrane layer proximate to the barrier layer protruding at least a distance past an edge of the cover. The gel-coupled force sensor may surround a fluid flow tube. The housing may comprise a first light source and a second light source and / or an ultrasonic transducer.

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 inventive concept relates to an apparatus for treating a substrate. The apparatus includes a liquid supply unit that supplies a liquid to a substrate, a cover that is formed of a light transmitting material and installed on a component provided in the liquid supply unit and that provides an inspection area, and an inspection unit that inspects bubbles contained in the liquid flowing in the component provided in the inspection area. The inspection unit includes a light source that applies light toward the inspection area from outside the cover, a light receiving part that is located outside the cover and that receives the light passing through the inspection area, and an inspection part that inspects the bubbles from the light received by the light receiving part.

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.

Provided are platforms, cartridges, and methods for isolating target cells in a fluid sample. In an aspect, disclosed is a platform for isolating target cells in a fluid sample. That platform can include a cartridge; one or more pumps configured to flow the one or more fluids through the flow chamber of the cartridge; one or more valves configured to stop or start the flow of the one or more fluids through the flow chamber of the cartridge; one or more magnetic arrays configured to apply the magnetic field to the magnetically susceptible nanobeads in the flow chamber; one or more bubble sensors configured to detect bubbles in the one or more fluids of the cartridge; one or more processors configured to control one or more processes for isolating the target cells from the fluid sample in the cartridge; and a power supply configured to supply power to the platform.

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 device for particle sensing (1) is disclosed. The device includes a sensor (2) including a bulk acoustic wave resonator (4) having a resonant frequency, an acoustic mirror (5) 5 arranged to support the resonator, and a heater (9) in thermal communication with the resonator such that a resonator temperature is based on a heater temperature. The device also includes circuitry (3) connected to the sensor. The circuitry comprises a driver (17) configured to drive the heater with a driver signal having a constant periodic cycle, and an oscillator (18) configured to generate an output signal indicative of the 10 resonant frequency. The resonant frequency is modulated by the resonator temperature.

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

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.

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).

There is described a method for detecting a bubble (150), in particular a gas bubble, in an analytical device (10), the method comprising: i) detecting in a fluid path an electromagnetic signal (110) in response to a provided flow / pressure signal (120); and ii) determining the presence of the bubble (150) in the fluid path based on the detected electromagnetic signal (110).

A testing device and method for infiltrating a material into high-temperature and high-pressure hydrogen are provided. The testing device includes a high-pressure cabin, internally including a sample to be tested; a hot oil-coated heating and insulation system, coating outside the high-pressure cabin to adjust and maintain a temperature in the high-pressure cabin; a hydrogen compressor, communicated with the high-pressure cabin to adjust a pressure in the high-pressure cabin; a vacuum pump, communicated with the high-pressure cabin to vacuumize the high-pressure cabin; a scavenging system, communicated with the high-pressure cabin to purge air impurities in the high-pressure cabin with an inert gas; and a controller, electrically connected with the hydrogen compressor, the vacuum pump, and the scavenging system, and configured to control actions of the hydrogen compressor, the vacuum pump, and the scavenging system.

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 invention relates to an apparatus for detecting and / or analyzing particles which comprises a sample chamber (2), within which the particles are to be detected, and a light source (3) emitting light into the sample chamber. According to the invention, the apparatus (1) comprises an imaging system (4) configured for capturing an imaging region (5) provided for imaging light from the light source (3) that is deflected by the particles, and a device (6) for evaluating a recording of the imaging region (5) created by means of the imaging system (4). The sample chamber (2) is expediently formed within a container (7), which preferably contains a medium (8), in particular a liquid. In one embodiment of the invention, the imaging region (5) is formed by a wall (9) of the container (7), the wall preferably being at least partially light-transmissive, preferably transparent or translucent. The invention furthermore relates to a method and a computer program product for detecting and / or analyzing particles.

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 present invention relates to a method for measuring the remaining amount of liquid in a liquid storage container, comprising: discharging the liquid in the liquid storage container to the outside through a suction pipe inserted into the liquid storage container; observing, by a vision device directed at a light-transmitting portion of the suction pipe, the size or number of bubbles contained in the liquid passing through the light-transmitting portion; and estimating the remaining amount of the liquid based on the observed size and number of the bubbles. In addition, the method further includes a remaining amount estimation step using a carrier wave of ultrasonic waves, and the remaining amount estimation step using the carrier wave of ultrasonic waves includes: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; after oscillation, receiving the returned ultrasonic waves and analyzing the waveform of the ultrasonic waves; and estimating the remaining amount of the liquid by comparing the waveform of the ultrasonic waves with reference data provided in advance.

The present invention relates to a device for analyzing a gas charged in a sample, the apparatus comprising: a sample chamber in which the sample charged with the gas is disposed; a cylinder extending from the sample chamber in one direction and partially filled with a fluid; a transparent conductive electrode surrounding the outer circumference of the cylinder and extending in the one direction; a central electrode which is located at the center of the cylinder and extends in the one direction; a capacitance detector for detecting a capacitance value of the capacitor formed by the level of the fluid in the cylinder due to the gas discharged from the sample; and a calculation device, wherein the calculation device analyzes the gas charged in the sample from the capacitance value.

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.