JPH0213278B2 - - Google Patents
Info
- Publication number
- JPH0213278B2 JPH0213278B2 JP58056727A JP5672783A JPH0213278B2 JP H0213278 B2 JPH0213278 B2 JP H0213278B2 JP 58056727 A JP58056727 A JP 58056727A JP 5672783 A JP5672783 A JP 5672783A JP H0213278 B2 JPH0213278 B2 JP H0213278B2
- Authority
- JP
- Japan
- Prior art keywords
- peak
- point
- crack
- count rate
- rate
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 23
- 230000005251 gamma ray Effects 0.000 claims description 14
- 229910052716 thallium Inorganic materials 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 6
- JCXGWMGPZLAOME-BKFZFHPZSA-N bismuth-214 Chemical compound [214Bi] JCXGWMGPZLAOME-BKFZFHPZSA-N 0.000 claims description 5
- ZLMJMSJWJFRBEC-OUBTZVSYSA-N potassium-40 Chemical compound [40K] ZLMJMSJWJFRBEC-OUBTZVSYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 4
- BKVIYDNLLOSFOA-RNFDNDRNSA-N thallium-208 Chemical compound [208Tl] BKVIYDNLLOSFOA-RNFDNDRNSA-N 0.000 claims 2
- 238000001228 spectrum Methods 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 13
- 239000013078 crystal Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910052797 bismuth Inorganic materials 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 230000014509 gene expression Effects 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/02—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for surface logging, e.g. from aircraft
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58056727A JPS59182387A (ja) | 1983-03-31 | 1983-03-31 | 地表での地層亀裂位置の検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58056727A JPS59182387A (ja) | 1983-03-31 | 1983-03-31 | 地表での地層亀裂位置の検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59182387A JPS59182387A (ja) | 1984-10-17 |
| JPH0213278B2 true JPH0213278B2 (de) | 1990-04-03 |
Family
ID=13035528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58056727A Granted JPS59182387A (ja) | 1983-03-31 | 1983-03-31 | 地表での地層亀裂位置の検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59182387A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61193091A (ja) * | 1985-02-22 | 1986-08-27 | Asahi Koyo Kk | 危険自然斜面の探知方法 |
| JPH0778541B2 (ja) * | 1989-04-18 | 1995-08-23 | 株式会社日さく | 地表における地層断裂の位置及び開孔状態の検出方法 |
-
1983
- 1983-03-31 JP JP58056727A patent/JPS59182387A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59182387A (ja) | 1984-10-17 |
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