JPS6410785B2 - - Google Patents
Info
- Publication number
- JPS6410785B2 JPS6410785B2 JP57077808A JP7780882A JPS6410785B2 JP S6410785 B2 JPS6410785 B2 JP S6410785B2 JP 57077808 A JP57077808 A JP 57077808A JP 7780882 A JP7780882 A JP 7780882A JP S6410785 B2 JPS6410785 B2 JP S6410785B2
- Authority
- JP
- Japan
- Prior art keywords
- measurement
- ion
- ion concentration
- electrode
- fluid
- 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
- 238000005259 measurement Methods 0.000 claims description 68
- 239000012530 fluid Substances 0.000 claims description 23
- 230000007423 decrease Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 description 21
- 239000003673 groundwater Substances 0.000 description 17
- 238000009792 diffusion process Methods 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/005—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid
- G01P5/006—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid the jet used is composed of ionised or radioactive particles
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077808A JPS58195158A (ja) | 1982-05-10 | 1982-05-10 | 流体の流速測定方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077808A JPS58195158A (ja) | 1982-05-10 | 1982-05-10 | 流体の流速測定方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58195158A JPS58195158A (ja) | 1983-11-14 |
| JPS6410785B2 true JPS6410785B2 (enrdf_load_stackoverflow) | 1989-02-22 |
Family
ID=13644313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57077808A Granted JPS58195158A (ja) | 1982-05-10 | 1982-05-10 | 流体の流速測定方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195158A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3551602B2 (ja) * | 1996-02-19 | 2004-08-11 | 前田建設工業株式会社 | ボーリング孔漏水位置測定方法及び測定装置 |
| JP6160926B2 (ja) * | 2014-06-05 | 2017-07-12 | Smc株式会社 | ゲートバルブ |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770462A (en) * | 1980-10-21 | 1982-04-30 | Taisei Kiso Sekkei Kk | Method for measuring flow of fluid |
-
1982
- 1982-05-10 JP JP57077808A patent/JPS58195158A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58195158A (ja) | 1983-11-14 |
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