JPS634667B2 - - Google Patents
Info
- Publication number
- JPS634667B2 JPS634667B2 JP56075755A JP7575581A JPS634667B2 JP S634667 B2 JPS634667 B2 JP S634667B2 JP 56075755 A JP56075755 A JP 56075755A JP 7575581 A JP7575581 A JP 7575581A JP S634667 B2 JPS634667 B2 JP S634667B2
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- voltage
- groundwater
- flow
- measurement
- 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 48
- 239000000523 sample Substances 0.000 claims description 37
- 239000012530 fluid Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 239000003673 groundwater Substances 0.000 description 39
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination 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
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56075755A JPS57191558A (en) | 1981-05-21 | 1981-05-21 | Measuring device for flow of fluid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56075755A JPS57191558A (en) | 1981-05-21 | 1981-05-21 | Measuring device for flow of fluid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57191558A JPS57191558A (en) | 1982-11-25 |
JPS634667B2 true JPS634667B2 (enrdf_load_stackoverflow) | 1988-01-29 |
Family
ID=13585368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56075755A Granted JPS57191558A (en) | 1981-05-21 | 1981-05-21 | Measuring device for flow of fluid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57191558A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4739045B2 (ja) * | 2006-02-10 | 2011-08-03 | 株式会社 堀場アドバンスドテクノ | 導電率検出器 |
-
1981
- 1981-05-21 JP JP56075755A patent/JPS57191558A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57191558A (en) | 1982-11-25 |
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