JPS51122489A - Isotope ratio measuring method and device - Google Patents

Isotope ratio measuring method and device

Info

Publication number
JPS51122489A
JPS51122489A JP4646275A JP4646275A JPS51122489A JP S51122489 A JPS51122489 A JP S51122489A JP 4646275 A JP4646275 A JP 4646275A JP 4646275 A JP4646275 A JP 4646275A JP S51122489 A JPS51122489 A JP S51122489A
Authority
JP
Japan
Prior art keywords
isotope ratio
measuring method
ratio measuring
isotope
radioisotope
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.)
Pending
Application number
JP4646275A
Other languages
Japanese (ja)
Inventor
Hiromi Tokoi
Hideho Tabuchi
Takeatsu Nagatoji
Norihiko Ozaki
Kimio Yamada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4646275A priority Critical patent/JPS51122489A/en
Publication of JPS51122489A publication Critical patent/JPS51122489A/en
Pending legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Radiation (AREA)

Abstract

PURPOSE: To measure the isotope ratio of the gas containing a radioisotope existing in a pipe by means of ionization current and gas density.
COPYRIGHT: (C)1976,JPO&Japio
JP4646275A 1975-04-18 1975-04-18 Isotope ratio measuring method and device Pending JPS51122489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4646275A JPS51122489A (en) 1975-04-18 1975-04-18 Isotope ratio measuring method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4646275A JPS51122489A (en) 1975-04-18 1975-04-18 Isotope ratio measuring method and device

Publications (1)

Publication Number Publication Date
JPS51122489A true JPS51122489A (en) 1976-10-26

Family

ID=12747820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4646275A Pending JPS51122489A (en) 1975-04-18 1975-04-18 Isotope ratio measuring method and device

Country Status (1)

Country Link
JP (1) JPS51122489A (en)

Similar Documents

Publication Publication Date Title
JPS5365774A (en) Radiant ray detector
JPS51122489A (en) Isotope ratio measuring method and device
JPS5258179A (en) Apparatus for measuring diameter of hold bored
JPS51116767A (en) Indicator of gas filled in a gas lighter
JPS542180A (en) Measuring apparatus of low concentration gas radiactivity
JPS5325792A (en) Radioactive iodine concentration measuring method
JPS529491A (en) Internal electrode
JPS5327793A (en) Output distribution predicting device in reactor
JPS542179A (en) Low concentration radioactive gas measuring apparatus provided with enrichment rate corrector
JPS5317778A (en) Measuring apparatus of radioactive rare gas dose
JPS5364191A (en) Radioactivity monitor
JPS5329499A (en) Measuring method of pre-critical degree
JPS51149087A (en) Sampling device with a flushing unit
JPS522457A (en) Method of detecting flow
JPS51124948A (en) Method and apparatus for measuring posture angle
JPS542187A (en) Low concentration radioactive gas measuring apparatus
JPS51115295A (en) Hydrogen-release-materials
JPS52125266A (en) Cathode constant length welder unit in cathode ray tube
JPS51143391A (en) Apparatus for measuring photoionization current
JPS52129899A (en) Broken fuel detecting method
JPS51121391A (en) A method ion contineously measuring cyan ion and a eletrode for measur ing cyan ion,
JPS5352894A (en) Degree of burn-up measuring method in fuel assembly
JPS52142545A (en) Incremental-rate measuring apparatus for timepiece
JPS51118491A (en) Callbration method of hyderogen detector in natorium
JPS5229759A (en) Meter to measure concave depth inside pipe