CA1066141A - Methode et dispositif de controle de la concentration de vapeurs a interface de phase - Google Patents

Methode et dispositif de controle de la concentration de vapeurs a interface de phase

Info

Publication number
CA1066141A
CA1066141A CA253,864A CA253864A CA1066141A CA 1066141 A CA1066141 A CA 1066141A CA 253864 A CA253864 A CA 253864A CA 1066141 A CA1066141 A CA 1066141A
Authority
CA
Canada
Prior art keywords
vapor
cover
concentration
soil
base
Prior art date
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
Application number
CA253,864A
Other languages
English (en)
Inventor
Thomas I. Bradshaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Priority claimed from US05/658,114 external-priority patent/US4063452A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1066141A publication Critical patent/CA1066141A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/008—Component parts, e.g. dispensing fittings, level indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
CA253,864A 1975-06-30 1976-06-01 Methode et dispositif de controle de la concentration de vapeurs a interface de phase Expired CA1066141A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59132975A 1975-06-30 1975-06-30
US05/658,114 US4063452A (en) 1975-06-30 1976-02-13 Method and device for monitoring vapor concentration at a phase interface

Publications (1)

Publication Number Publication Date
CA1066141A true CA1066141A (fr) 1979-11-13

Family

ID=27081118

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253,864A Expired CA1066141A (fr) 1975-06-30 1976-06-01 Methode et dispositif de controle de la concentration de vapeurs a interface de phase

Country Status (5)

Country Link
JP (1) JPS527792A (fr)
AU (1) AU506957B2 (fr)
CA (1) CA1066141A (fr)
DE (1) DE2629690A1 (fr)
FR (1) FR2316593A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018002315A1 (de) * 2018-03-19 2019-09-19 Hydac Technology Gmbh Druckspeicher mit einer Überwachungseinrichtung
JP6897643B2 (ja) 2018-09-05 2021-07-07 横河電機株式会社 センサ素子及び包装体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019638A (en) * 1959-11-02 1962-02-06 William F Klein Moisture indicating device
US3198163A (en) * 1963-02-13 1965-08-03 Cadillac Products Indicator device
US3680364A (en) * 1970-06-22 1972-08-01 Roger E Carrier Monitoring humidity
US3702755A (en) * 1971-07-21 1972-11-14 Walter E Palmer Moisture indicator for plants
US3898172A (en) * 1973-05-03 1975-08-05 Us Energy Irreversible humidity indicator
US3951098A (en) * 1975-02-12 1976-04-20 Enviro-Gro, Inc. House plant water content indicator

Also Published As

Publication number Publication date
FR2316593A1 (fr) 1977-01-28
FR2316593B1 (fr) 1982-07-02
AU1539976A (en) 1978-01-05
DE2629690A1 (de) 1977-03-17
AU506957B2 (en) 1980-01-31
JPS527792A (en) 1977-01-21

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