NO773652L - Maaleinnretning for bestemmelse av mengden av brennbare gasser i luft - Google Patents
Maaleinnretning for bestemmelse av mengden av brennbare gasser i luftInfo
- Publication number
- NO773652L NO773652L NO773652A NO773652A NO773652L NO 773652 L NO773652 L NO 773652L NO 773652 A NO773652 A NO 773652A NO 773652 A NO773652 A NO 773652A NO 773652 L NO773652 L NO 773652L
- Authority
- NO
- Norway
- Prior art keywords
- filament
- air
- catalytic
- measuring device
- measuring
- Prior art date
Links
- 239000007789 gas Substances 0.000 title claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 235000019441 ethanol Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003771 laboratory diagnosis Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
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
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 Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU76ME2026A HU173759B (hu) | 1976-10-27 | 1976-10-27 | Izmeritel'noe ustrojstvo dlja opredelenija kolichestva gazovogo gorjuchego v vozduhe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO773652L true NO773652L (no) | 1978-04-28 |
Family
ID=10999420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO773652A NO773652L (no) | 1976-10-27 | 1977-10-26 | Maaleinnretning for bestemmelse av mengden av brennbare gasser i luft |
Country Status (8)
| Country | Link |
|---|---|
| DD (1) | DD131969A1 (de) |
| DE (1) | DE2748440A1 (de) |
| FI (1) | FI773183A7 (de) |
| FR (1) | FR2369561A1 (de) |
| HU (1) | HU173759B (de) |
| NO (1) | NO773652L (de) |
| PL (1) | PL201782A1 (de) |
| SE (1) | SE7711987L (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8403222A (nl) * | 1984-10-23 | 1986-05-16 | Nedap Nv | Methode ter vermindering van ongewenste echo's in ultrasone stroomsnelheidsmeters. |
-
1976
- 1976-10-27 HU HU76ME2026A patent/HU173759B/hu unknown
-
1977
- 1977-10-25 DD DD7700201685A patent/DD131969A1/de unknown
- 1977-10-25 SE SE7711987A patent/SE7711987L/xx unknown
- 1977-10-25 FI FI773183A patent/FI773183A7/fi not_active Application Discontinuation
- 1977-10-26 DE DE19772748440 patent/DE2748440A1/de active Pending
- 1977-10-26 NO NO773652A patent/NO773652L/no unknown
- 1977-10-27 FR FR7732504A patent/FR2369561A1/fr not_active Withdrawn
- 1977-10-27 PL PL20178277A patent/PL201782A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU173759B (hu) | 1979-08-28 |
| PL201782A1 (pl) | 1978-06-05 |
| SE7711987L (sv) | 1978-04-28 |
| DE2748440A1 (de) | 1978-05-11 |
| FR2369561A1 (fr) | 1978-05-26 |
| FI773183A7 (fi) | 1978-04-28 |
| DD131969A1 (de) | 1978-08-09 |
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