BE383855A - - Google Patents
Info
- Publication number
- BE383855A BE383855A BE383855DA BE383855A BE 383855 A BE383855 A BE 383855A BE 383855D A BE383855D A BE 383855DA BE 383855 A BE383855 A BE 383855A
- Authority
- BE
- Belgium
- Prior art keywords
- gas
- filament
- bulb
- specified
- lamp
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 238000004868 gas analysis Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- G01N27/18—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 Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE383855A true BE383855A (enrdf_load_stackoverflow) |
Family
ID=52974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE383855D BE383855A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE383855A (enrdf_load_stackoverflow) |
-
0
- BE BE383855D patent/BE383855A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0645626B1 (fr) | Dispositif de mesure pour capteurs amovibles | |
CA2089848A1 (fr) | Mesure de la resistivite electrique et de la conductivite thermique a haute temperature de produits refractaires | |
FR2496884A1 (fr) | Sonde de mesure de pression | |
EP0184497B1 (fr) | Sonde de mesure du niveau d'un liquide | |
EP0043312B1 (fr) | Sonde de détection d'un niveau de liquide | |
US20080310477A1 (en) | Filled hotwire elements and sensors for thermal conductivity detectors | |
US1918702A (en) | Construction of thermal conductivity cells | |
EP0990128B1 (fr) | Capteur de pression avec compensation de la non-linearite de la derive de zero aux tres basses temperatures | |
BE383855A (enrdf_load_stackoverflow) | ||
US1971038A (en) | Thermal conductivity cell | |
EP0486596B1 (fr) | Capteur a filament en couche mince autoporte, son procede de fabrication et ses applications dans la detection de gaz et en chromatographie gazeuse | |
FR2513381A1 (fr) | Sonde electrique de faible resistance a ressort | |
FR2714730A1 (fr) | Sonde à détecteur d'oxygène pour chaudière. | |
EP0209458B1 (fr) | Capteur de niveau de liquide électriquement isolant | |
CH651388A5 (fr) | Debimetre pour la mesure de la vitesse d'ecoulement d'un fluide. | |
JPH01503086A (ja) | 電極組立体 | |
FR2704318A1 (fr) | Dispositif de contrôle in situ de l'action corrosive d'un fluide, en particulier un liquide de refroidissement de moteur. | |
BE446709A (enrdf_load_stackoverflow) | ||
EP0981657B1 (fr) | Dispositif de solidification et de controle en continu de la croissance cristalline | |
CH249161A (fr) | Appareil pour la détection de gaz qui forment avec l'air des mélanges explosifs. | |
CH348084A (fr) | Amorce électrique pour la mise à feu d'une charge d'explosif | |
CH420651A (fr) | Sonde pour cryogène liquide | |
FR2578056A1 (fr) | Sonde de mesure simultanee de l'activite ionique et de la temperature d'un milieu | |
CA2373533A1 (fr) | Perfectionnements aux debitmetres massiques du type a fil resistif | |
FR2732466A1 (fr) | Electrode pour dispositif de mesure de petits potentiels dans une solution aqueuse, embout servant a realiser une telle electrode, et procede d'obtention de cette electrode |