FR2664698B1 - METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF. - Google Patents

METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF.

Info

Publication number
FR2664698B1
FR2664698B1 FR9008868A FR9008868A FR2664698B1 FR 2664698 B1 FR2664698 B1 FR 2664698B1 FR 9008868 A FR9008868 A FR 9008868A FR 9008868 A FR9008868 A FR 9008868A FR 2664698 B1 FR2664698 B1 FR 2664698B1
Authority
FR
France
Prior art keywords
microbubles
dimension
determining
liquid
local concentration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9008868A
Other languages
French (fr)
Other versions
FR2664698A1 (en
Inventor
Coffre Yves Le
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR9008868A priority Critical patent/FR2664698B1/en
Publication of FR2664698A1 publication Critical patent/FR2664698A1/en
Application granted granted Critical
Publication of FR2664698B1 publication Critical patent/FR2664698B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1429—Signal processing
    • G01N15/1433—Signal processing using image recognition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0007—Investigating dispersion of gas
    • G01N2015/0011—Investigating dispersion of gas in liquids, e.g. bubbles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1497—Particle shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8557—Special shaping of flow, e.g. using a by-pass line, jet flow, curtain flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR9008868A 1990-07-12 1990-07-12 METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF. Expired - Fee Related FR2664698B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008868A FR2664698B1 (en) 1990-07-12 1990-07-12 METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008868A FR2664698B1 (en) 1990-07-12 1990-07-12 METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF.

Publications (2)

Publication Number Publication Date
FR2664698A1 FR2664698A1 (en) 1992-01-17
FR2664698B1 true FR2664698B1 (en) 1994-03-25

Family

ID=9398629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008868A Expired - Fee Related FR2664698B1 (en) 1990-07-12 1990-07-12 METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF.

Country Status (1)

Country Link
FR (1) FR2664698B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2125546A1 (en) * 1993-08-13 1995-02-14 David Kleinschmitt Method and apparatus for discriminating between liquids and gases
DE10162188A1 (en) * 2001-12-17 2003-06-18 Sunyx Surface Nanotechnologies Apparatus to manipulate the smallest droplets has a screen pattern of electrodes, with a control system to apply an individual voltage to selected electrodes for a given time span to set the droplet movement path and speed

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283128A (en) * 1980-06-23 1981-08-11 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Photomicrographic system for flowing fluids
US4529306A (en) * 1983-06-13 1985-07-16 Flow Vision, Inc. Apparatus and method for polymer melt stream analysis
JPS6319506A (en) * 1986-07-14 1988-01-27 Power Reactor & Nuclear Fuel Dev Corp Detecting method for drop of dropping liquid
US4783599A (en) * 1987-02-10 1988-11-08 High Yield Technology Particle detector for flowing liquids with the ability to distinguish bubbles via photodiodes disposed 180° apart
US4859864A (en) * 1987-05-07 1989-08-22 Becton, Dickinson And Company Sensor and method for detecting the presence of air bubbles in liquid

Also Published As

Publication number Publication date
FR2664698A1 (en) 1992-01-17

Similar Documents

Publication Publication Date Title
DZ2592A1 (en) Method and device for flow measurement for petroleum effluents.
FR2559904B1 (en) METHOD AND DEVICE FOR SAMPLING AND / OR TITRATING LIQUIDS USING A SELF-CONTAINED AUTOMATIC PIPETTE
FR2574180B1 (en) METHOD AND DEVICE FOR DETERMINING THE ANGLE OF CONTACT OF A DROP OF LIQUID PLACED ON A HORIZONTAL SOLID OR LIQUID SUBSTRATE
FR2656098B1 (en) DEVICE FOR STUDYING THE AGING OF A FLUID IN CIRCULATION, UNDER SPECIFIC CONDITIONS IMPOSED.
FR2712696B1 (en) Method and device for measuring the pore volume of a solid sample.
EP0560099A3 (en) Device for determining chemical and/or biological conditions in liquid, especially aqueous, media, e.g. urine, using at least one indicator
FR2515819B1 (en) METHOD AND DEVICE FOR MEASURING A PRESSURE, IN PARTICULAR THE PRESSURE OF A FLUID
FR2691536B1 (en) DEVICE FOR DETECTING AND CONTROLLING THE LEVEL OF A LIQUID.
FR2713764B1 (en) Fluid measurement device.
FR2692569B1 (en) METHOD AND DEVICE FOR FILLING A FLUID SUBSTANCE METER DISPENSER.
FR2660435B1 (en) METHOD AND DEVICE FOR COLLECTING WITHIN A SUSPENSION OF SAMPLES FROM THE LIQUID PHASE.
FR2667400B1 (en) METHOD FOR DETECTING CHANGES IN THE STATE OF A LIQUID OR GELLIED MEDIUM AND SENSOR DEVICE FOR CARRYING OUT SAID METHOD.
FR2690525B1 (en) METHOD AND DEVICE FOR DETECTING WATER LEAKS IN PIPES.
FR2772126B1 (en) METHOD AND DEVICE FOR ISOCINETICALLY TAKING SAMPLES FROM A FLUID FLOWING IN A PIPING
FR2682187B1 (en) METHOD AND DEVICE FOR DETERMINING STRIPPABLE SUBSTANCES IN LIQUIDS.
FR2667943B1 (en) DEVICE AND METHOD FOR THE QUICK QUALITATIVE AND QUANTITATIVE DETERMINATION OF A LIGAND IN A FLUID.
FR2583164B1 (en) METHOD AND DEVICE FOR DETERMINING THE COLOR AND TURBIDITY OF A FLUID
FR2664698B1 (en) METHOD AND DEVICE FOR DETERMINING THE LOCAL CONCENTRATION IN MICROBUBLES OF A LIQUID OR IN A FLUID DROPLET, AND OF THE DIMENSION THEREOF.
FR2781565B1 (en) METHOD AND DEVICE FOR MEASURING THE FLOW SPEED OF A FLUID VEIN
FR2704524B1 (en) PORTABLE DEVICE FOR DISPENSING A FLUID SUBSTANCE.
FR2689283B1 (en) DEVICE FOR IDENTIFYING SEQUINS FOR THE CRYOGENIC PRESERVATION OF BIOLOGICAL LIQUIDS.
FR2682028B1 (en) METHOD, DEVICE AND APPARATUS FOR OBTAINING AN IMPRESSION OF THE SURFACE OF AN OBJECT OR A PART OF THE BODY.
FR2592164B1 (en) DEVICE FOR DETECTING THE PRESENCE OF A LIQUID INSIDE A CONDUIT.
FR2655424B1 (en) METHOD AND DEVICE FOR DETECTING BUBBLES IN A LIQUID FLUID AND APPARATUS USING THE SAME.
FR2717265B1 (en) Device intended for the measurement of physico-chemical parameters of a liquid, such as sea water or fresh water.

Legal Events

Date Code Title Description
ST Notification of lapse