GB1290130A - - Google Patents

Info

Publication number
GB1290130A
GB1290130A GB1290130DA GB1290130A GB 1290130 A GB1290130 A GB 1290130A GB 1290130D A GB1290130D A GB 1290130DA GB 1290130 A GB1290130 A GB 1290130A
Authority
GB
United Kingdom
Prior art keywords
hydrogen
detected
permeable
electrodes
valve
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
Other languages
English (en)
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 filed Critical
Publication of GB1290130A publication Critical patent/GB1290130A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026Measuring blood flow
    • A61B5/0275Measuring blood flow using tracers, e.g. dye dilution
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
GB1290130D 1970-10-01 1971-08-31 Expired GB1290130A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1454370A CH530004A (de) 1970-10-01 1970-10-01 Nachweis- und Messverfahren mittels Markierungssubstanzen

Publications (1)

Publication Number Publication Date
GB1290130A true GB1290130A (sv) 1972-09-20

Family

ID=4401690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290130D Expired GB1290130A (sv) 1970-10-01 1971-08-31

Country Status (6)

Country Link
CH (1) CH530004A (sv)
DD (1) DD94917A5 (sv)
DE (1) DE2145401A1 (sv)
FR (1) FR2110905A5 (sv)
GB (1) GB1290130A (sv)
NL (1) NL7112619A (sv)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415804A1 (fr) * 1978-01-25 1979-08-24 Howmedica Procede et dispositif de detection de strictions dans des conduits
GB2136963A (en) * 1983-02-09 1984-09-26 Avl Ag A measuring set-up with at least one sensor for analysing a substance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973761A (zh) * 2005-11-28 2007-06-06 人宇生物科技股份有限公司 血液循环流速检测系统及其检测方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415804A1 (fr) * 1978-01-25 1979-08-24 Howmedica Procede et dispositif de detection de strictions dans des conduits
GB2136963A (en) * 1983-02-09 1984-09-26 Avl Ag A measuring set-up with at least one sensor for analysing a substance

Also Published As

Publication number Publication date
NL7112619A (sv) 1972-04-05
DD94917A5 (sv) 1973-01-05
FR2110905A5 (sv) 1972-06-02
DE2145401A1 (de) 1972-04-06
CH530004A (de) 1972-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
CSNS Application of which complete specification have been accepted and published, but patent is not sealed