IT1213096B - Rivelazione chimica selettiva mediante modulazione energetica di sensori. - Google Patents

Rivelazione chimica selettiva mediante modulazione energetica di sensori.

Info

Publication number
IT1213096B
IT1213096B IT8620494A IT2049486A IT1213096B IT 1213096 B IT1213096 B IT 1213096B IT 8620494 A IT8620494 A IT 8620494A IT 2049486 A IT2049486 A IT 2049486A IT 1213096 B IT1213096 B IT 1213096B
Authority
IT
Italy
Prior art keywords
sensors
chemical detection
selective chemical
energetic
modulation
Prior art date
Application number
IT8620494A
Other languages
English (en)
Other versions
IT8620494A0 (it
Inventor
Joseph R Stetter
Otagawa Takaaki
Original Assignee
Us Energy
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 Us Energy filed Critical Us Energy
Publication of IT8620494A0 publication Critical patent/IT8620494A0/it
Application granted granted Critical
Publication of IT1213096B publication Critical patent/IT1213096B/it

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
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
IT8620494A 1985-05-20 1986-05-20 Rivelazione chimica selettiva mediante modulazione energetica di sensori. IT1213096B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73619685A 1985-05-20 1985-05-20

Publications (2)

Publication Number Publication Date
IT8620494A0 IT8620494A0 (it) 1986-05-20
IT1213096B true IT1213096B (it) 1989-12-07

Family

ID=24958902

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8620494A IT1213096B (it) 1985-05-20 1986-05-20 Rivelazione chimica selettiva mediante modulazione energetica di sensori.

Country Status (7)

Country Link
JP (1) JPH07122635B2 (it)
CA (1) CA1249334A (it)
DE (1) DE3616860A1 (it)
FR (1) FR2582101B1 (it)
GB (1) GB2175399B (it)
IT (1) IT1213096B (it)
NL (1) NL8601272A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736200A1 (de) * 1987-10-26 1989-05-03 Siemens Ag Verfahren zum betrieb eines nach dem kalorimeterprinzip arbeitenden halbleitergassensors mit mehreren sensorelementen
DE10309206A1 (de) * 2003-02-28 2004-09-09 Abb Research Ltd. Verfahren und Schaltung zum Betreiben eines Wärmeleitfähigkeitsdetektors
GB0508657D0 (en) * 2005-04-29 2005-06-08 Tristel Company The Ltd Flow control

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2053460A (en) * 1935-09-25 1936-09-08 Jesse J Brown Liquid gauge
US2899282A (en) * 1954-11-19 1959-08-11 Means for measuring the contents of a combustible
DE2313413C3 (de) * 1973-03-17 1978-03-02 Westfaelische Berggewerkschaftskasse, 4630 Bochum Verfahren und Meßgerät zur Bestimmung des Anteils eines oder mehrerer Gaskomponenten in einem Gasgemisch, insbesondere des CO-Gehaltes und/oder des CH4 -Gehaltes im Untertagebetrieb
US3906473A (en) * 1974-03-08 1975-09-16 Ross Inc Will Method and apparatus for operating a gas sensor
US3938956A (en) * 1974-06-28 1976-02-17 The United States Of America As Represented By The National Aeronautics And Space Administration Office Of General Counsel-Code Gp Modulated hydrogen ion flame detector
DE2808033A1 (de) * 1978-02-24 1979-08-30 Siemens Ag Einrichtung zur unterdrueckung der wasserdampf-querempfindlichkeit bei einem nicht dispersiven infrarot-gasanalysator
US4205956A (en) * 1979-05-21 1980-06-03 The International Nickel Company, Inc. Nickel carbonyl analyzer
GB2057135B (en) * 1979-08-22 1984-06-06 Southwest Res Inst Gyro magnetic detection method and apparatus
US4340458A (en) * 1980-06-02 1982-07-20 Joslin Diabetes Center, Inc. Glucose sensor
US4399684A (en) * 1981-11-27 1983-08-23 Sierra Monitor Corporation Gas measurement method
DE3364035D1 (en) * 1982-04-15 1986-07-17 Cerberus Ag Gas and/or vapour alarm device
JPS58180941A (ja) * 1982-04-16 1983-10-22 Hitachi Ltd 光反応の電気化学的測定方法
JPS595939A (ja) * 1982-07-03 1984-01-12 Horiba Ltd パ−テイキユレ−ト連続測定装置
EP0135135A3 (en) * 1983-08-15 1987-04-15 Honeywell Inc. Method and apparatus for trace gas detection
CH668648A5 (de) * 1984-04-04 1989-01-13 Cerberus Ag Verfahren und vorrichtung zum nachweis von reduzierenden gasen in einem gasgemisch.

Also Published As

Publication number Publication date
NL8601272A (nl) 1986-12-16
DE3616860A1 (de) 1986-11-20
GB8611272D0 (en) 1986-06-18
IT8620494A0 (it) 1986-05-20
FR2582101B1 (fr) 1992-09-18
GB2175399A (en) 1986-11-26
CA1249334A (en) 1989-01-24
JPH07122635B2 (ja) 1995-12-25
JPS61270660A (ja) 1986-11-29
GB2175399B (en) 1989-10-11
FR2582101A1 (fr) 1986-11-21

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940531