JPS6135657B2 - - Google Patents
Info
- Publication number
- JPS6135657B2 JPS6135657B2 JP8665881A JP8665881A JPS6135657B2 JP S6135657 B2 JPS6135657 B2 JP S6135657B2 JP 8665881 A JP8665881 A JP 8665881A JP 8665881 A JP8665881 A JP 8665881A JP S6135657 B2 JPS6135657 B2 JP S6135657B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- activated carbon
- proportional counter
- aluminum
- graphite
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 76
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 12
- 229910015900 BF3 Inorganic materials 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- ZQXCQTAELHSNAT-UHFFFAOYSA-N 1-chloro-3-nitro-5-(trifluoromethyl)benzene Chemical group [O-][N+](=O)C1=CC(Cl)=CC(C(F)(F)F)=C1 ZQXCQTAELHSNAT-UHFFFAOYSA-N 0.000 claims 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 description 20
- 239000011737 fluorine Substances 0.000 description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 15
- 230000005855 radiation Effects 0.000 description 13
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 10
- 229910052726 zirconium Inorganic materials 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 7
- 238000005247 gettering Methods 0.000 description 7
- 230000005251 gamma ray Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000010406 cathode material Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/12—Neutron detector tubes, e.g. BF3 tubes
- H01J47/1272—BF3 tubes
Landscapes
- Measurement Of Radiation (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8665881A JPS57200882A (en) | 1981-06-04 | 1981-06-04 | Boron trifluoride proportional counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8665881A JPS57200882A (en) | 1981-06-04 | 1981-06-04 | Boron trifluoride proportional counter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57200882A JPS57200882A (en) | 1982-12-09 |
| JPS6135657B2 true JPS6135657B2 (en]) | 1986-08-14 |
Family
ID=13893128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8665881A Granted JPS57200882A (en) | 1981-06-04 | 1981-06-04 | Boron trifluoride proportional counter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57200882A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330295U (en]) * | 1989-07-31 | 1991-03-25 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341860U (en]) * | 1986-09-02 | 1988-03-18 | ||
| JP2671092B2 (ja) * | 1992-12-25 | 1997-10-29 | 理研電子株式会社 | 火山活動方向観測装置 |
-
1981
- 1981-06-04 JP JP8665881A patent/JPS57200882A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330295U (en]) * | 1989-07-31 | 1991-03-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57200882A (en) | 1982-12-09 |
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