BE676696A - - Google Patents
Info
- Publication number
- BE676696A BE676696A BE676696DA BE676696A BE 676696 A BE676696 A BE 676696A BE 676696D A BE676696D A BE 676696DA BE 676696 A BE676696 A BE 676696A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
- G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1281722 | 1965-02-19 | ||
DEA48448A DE1281722B (de) | 1965-02-19 | 1965-02-19 | Geraet zur Messung der Konzentration brennbarer Gase und Daempfe |
DEA0048462 | 1965-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE676696A true BE676696A (es) | 1966-07-18 |
Family
ID=27180577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE676696D BE676696A (es) | 1965-02-19 | 1966-02-18 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3497323A (es) |
BE (1) | BE676696A (es) |
DE (1) | DE1281722B (es) |
GB (1) | GB1129128A (es) |
NL (1) | NL6602089A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3886786A (en) * | 1971-09-20 | 1975-06-03 | Borg Warner | Null memory system for a gas analysis system |
FR2339858A1 (fr) * | 1976-02-02 | 1977-08-26 | Makeevsky Inst Bezopasnosti | Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere |
LU76937A1 (es) * | 1977-03-11 | 1978-10-18 | ||
CA1104209A (en) * | 1978-03-02 | 1981-06-30 | Evgeny F. Karpov | Method for checking thermocatalytic sensors of mine safety systems |
FR2507779A1 (fr) * | 1981-06-15 | 1982-12-17 | Charbonnages De France | Procede et appareil d'explosimetrie a moyen nouveau de lever de doute des mesures |
DE3132297C2 (de) * | 1981-08-12 | 1985-05-15 | Auergesellschaft Gmbh, 1000 Berlin | Schaltungsanordnung für ein Gerät zur Messung und Anzeige der Konzentration von in Luft enthaltenen brennbaren Gasen und Dämpfen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698223A (en) * | 1947-05-02 | 1954-12-28 | Cambridge Instr Co Inc | Gas analyzer |
US2617716A (en) * | 1950-01-17 | 1952-11-11 | Stanolind Oil & Gas Co | Combustible gas analyzing apparatus |
US2687342A (en) * | 1952-10-15 | 1954-08-24 | Mine Safety Appliances Co | Method and apparatus for testing gas |
NL169755B (nl) * | 1953-09-08 | Fujisawa Pharmaceutical Co | Werkwijze ter bereiding van een thiopeptine alsmede een werkwijze voor het bereiden van een veevoeder of veevoederbestanddeel dat thiopeptine bevat. | |
US2879142A (en) * | 1955-09-21 | 1959-03-24 | Mine Safety Appliances Co | Combustible gas detector |
US2888330A (en) * | 1957-03-20 | 1959-05-26 | Standard Oil Co | Hydrocarbon gas analyzer and method |
US2901329A (en) * | 1957-09-24 | 1959-08-25 | Standard Oil Co | Combustibles detector for gas chromatography |
NL127048C (es) * | 1960-02-05 | |||
US3239828A (en) * | 1962-07-27 | 1966-03-08 | Erdco Eng Corp | Combustible gas detector |
US3311455A (en) * | 1963-04-30 | 1967-03-28 | Barton Instr Corp | Detector for combustible gas |
-
1965
- 1965-02-19 DE DEA48448A patent/DE1281722B/de active Pending
-
1966
- 1966-02-17 NL NL6602089A patent/NL6602089A/xx unknown
- 1966-02-18 GB GB7341/66A patent/GB1129128A/en not_active Expired
- 1966-02-18 US US528469A patent/US3497323A/en not_active Expired - Lifetime
- 1966-02-18 BE BE676696D patent/BE676696A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1281722B (de) | 1968-10-31 |
US3497323A (en) | 1970-02-24 |
GB1129128A (en) | 1968-10-02 |
NL6602089A (es) | 1966-08-22 |