FR2057795A5 - - Google Patents
Info
- Publication number
- FR2057795A5 FR2057795A5 FR7027397A FR7027397A FR2057795A5 FR 2057795 A5 FR2057795 A5 FR 2057795A5 FR 7027397 A FR7027397 A FR 7027397A FR 7027397 A FR7027397 A FR 7027397A FR 2057795 A5 FR2057795 A5 FR 2057795A5
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
- G01N21/276—Calibration, base line adjustment, drift correction with alternation of sample and standard in optical path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2888—Lubricating oil characteristics, e.g. deterioration
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84767569A | 1969-08-05 | 1969-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2057795A5 true FR2057795A5 (fr) | 1971-05-21 |
Family
ID=25301214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7027397A Expired FR2057795A5 (fr) | 1969-08-05 | 1970-07-24 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2038542C3 (fr) |
FR (1) | FR2057795A5 (fr) |
GB (1) | GB1326041A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3328171A1 (de) * | 1983-08-04 | 1985-02-14 | Leybold-Heraeus GmbH, 5000 Köln | Kuevette fuer gasanalysengeraete |
DE3701348A1 (de) * | 1987-01-19 | 1988-07-28 | Bayerische Motoren Werke Ag | Verfahren zum pruefen der qualitaet einer betriebsfluessigkeit von kraftfahrzeugen |
JP5661124B2 (ja) * | 2010-12-08 | 2015-01-28 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
FR3142505A1 (fr) * | 2022-11-29 | 2024-05-31 | Safran Aircraft Engines | Controle de la qualite de l’huile d’un circuit d’huile de lubrification dans une turbomachine d’aeronef |
-
1970
- 1970-07-24 FR FR7027397A patent/FR2057795A5/fr not_active Expired
- 1970-07-27 GB GB3625870A patent/GB1326041A/en not_active Expired
- 1970-08-03 DE DE19702038542 patent/DE2038542C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2038542A1 (de) | 1971-03-25 |
DE2038542C3 (de) | 1980-03-20 |
GB1326041A (en) | 1973-08-08 |
DE2038542B2 (de) | 1979-07-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |