DD271380A5 - Reflektometrischer Feuchtigkeitsmesser für kapilarporöse Körper, insbesondere für den Boden - Google Patents
Reflektometrischer Feuchtigkeitsmesser für kapilarporöse Körper, insbesondere für den Boden Download PDFInfo
- Publication number
- DD271380A5 DD271380A5 DD31746088A DD31746088A DD271380A5 DD 271380 A5 DD271380 A5 DD 271380A5 DD 31746088 A DD31746088 A DD 31746088A DD 31746088 A DD31746088 A DD 31746088A DD 271380 A5 DD271380 A5 DD 271380A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- probe
- feeder
- control circuit
- waveguide
- input
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Paper (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Carbon And Carbon Compounds (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL26661787A PL154440B1 (pl) | 1987-07-03 | 1987-07-03 | Reflektometryczny miernik wilgotności ciał kapilarno-porowatych, zwłaszcza gleby |
PL26661687A PL156883B1 (en) | 1987-07-03 | 1987-07-03 | Multisensor tester for reflectometric humidity measuremets in particular for measuring humidity of soil |
PL27212888A PL156952B3 (en) | 1988-04-28 | 1988-04-28 | Reflectometric measuring instrument of the humidity of capillary porous bodies in particular of the soil |
Publications (1)
Publication Number | Publication Date |
---|---|
DD271380A5 true DD271380A5 (de) | 1989-08-30 |
Family
ID=27354065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD31746088A DD271380A5 (de) | 1987-07-03 | 1988-07-01 | Reflektometrischer Feuchtigkeitsmesser für kapilarporöse Körper, insbesondere für den Boden |
Country Status (10)
Country | Link |
---|---|
US (1) | US4918375A (sv) |
EP (1) | EP0297604B1 (sv) |
AT (1) | ATE83322T1 (sv) |
BG (1) | BG48818A3 (sv) |
CS (1) | CS270000B2 (sv) |
DD (1) | DD271380A5 (sv) |
DE (1) | DE3876517T2 (sv) |
FI (1) | FI91329C (sv) |
HU (1) | HU205666B (sv) |
IL (1) | IL86743A (sv) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5376888A (en) * | 1993-06-09 | 1994-12-27 | Hook; William R. | Timing markers in time domain reflectometry systems |
US5729787A (en) * | 1996-07-23 | 1998-03-17 | Eastman Kodak Company | Toner concentration monitor and method |
US5920195A (en) * | 1996-12-18 | 1999-07-06 | The United States Of America As Represented By The Secretary Of Agriculture | Apparatus and method for the measurement of forest duff moisture content |
US6281801B1 (en) * | 1997-06-04 | 2001-08-28 | Bechtel Bwxt Idaho, Llc | System and method for monitoring water content or other dielectric influences in a medium |
US6441622B1 (en) | 2000-08-18 | 2002-08-27 | Motorola, Inc. | Method and apparatus for time domain reflectometry moisture sensing in various media |
FI109651B (sv) * | 2001-03-23 | 2002-09-30 | Delfin Technologies Ltd | Förfarande för mätning av ödem i vävnader |
US6632534B2 (en) * | 2001-08-30 | 2003-10-14 | Soilmoisture Equipment Corp. | Encased time domain reflectometry probe |
AU2003237206A1 (en) * | 2002-05-22 | 2003-12-12 | University Of Florida | Automatic control method system for irrigation |
US7228900B2 (en) * | 2004-06-15 | 2007-06-12 | Halliburton Energy Services, Inc. | System and method for determining downhole conditions |
CA2486562A1 (en) * | 2004-11-26 | 2006-05-26 | Moustafa Mohamed | Apparatus for determining the electric properties of a sample |
US7836910B2 (en) | 2004-12-29 | 2010-11-23 | Rain Bird Corporation | Soil moisture sensor and controller |
CN101216439B (zh) * | 2008-01-18 | 2012-01-11 | 中国农业大学 | 一种土壤水分测量仪器及方法 |
US8751052B1 (en) * | 2010-02-01 | 2014-06-10 | Green Badge, LLC | Automatic efficient irrigation threshold setting |
US8994358B2 (en) * | 2010-06-10 | 2015-03-31 | Stryker Combo L.L.C. | Method and apparatus for automating the counting of sharps using RFID tags |
US9128494B2 (en) | 2011-11-17 | 2015-09-08 | Microsemi Corporation | Apparatus and method for assessing volumetric moisture content and controlling an irrigator |
US9481777B2 (en) | 2012-03-30 | 2016-11-01 | The Procter & Gamble Company | Method of dewatering in a continuous high internal phase emulsion foam forming process |
CN103743701B (zh) * | 2013-12-13 | 2016-01-20 | 云南中烟再造烟叶有限责任公司 | 一种检测造纸法再造烟叶涂布量的方法 |
US9909987B1 (en) * | 2014-07-30 | 2018-03-06 | Transcend Engineering and Technology, LLC | Systems, methods, and software for determining spatially variable distributions of the dielectric properties of a material |
US9970969B1 (en) * | 2014-08-26 | 2018-05-15 | Transcend Engineering and Technology, LLC | Systems, methods, and software for determining spatially variable distributions of the dielectric properties of a heterogeneous material |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1100050B (it) * | 1978-10-31 | 1985-09-28 | Cise Spa | Strumento per la misura dell'umidita' nei materiali,particolarmente adatto per la misura su terre e sabbie |
US4396062A (en) * | 1980-10-06 | 1983-08-02 | University Of Utah Research Foundation | Apparatus and method for time-domain tracking of high-speed chemical reactions |
SU1337746A1 (ru) * | 1984-05-29 | 1987-09-15 | Всесоюзный Научно-Исследовательский И Проектный Институт Промышленности Асбестоцементных Изделий | Влагомер |
-
1988
- 1988-06-15 IL IL86743A patent/IL86743A/xx unknown
- 1988-06-21 US US07/210,662 patent/US4918375A/en not_active Expired - Fee Related
- 1988-06-28 CS CS884552A patent/CS270000B2/cs unknown
- 1988-07-01 DE DE8888110563T patent/DE3876517T2/de not_active Expired - Fee Related
- 1988-07-01 EP EP88110563A patent/EP0297604B1/en not_active Expired - Lifetime
- 1988-07-01 DD DD31746088A patent/DD271380A5/de not_active IP Right Cessation
- 1988-07-01 AT AT88110563T patent/ATE83322T1/de not_active IP Right Cessation
- 1988-07-01 BG BG084725A patent/BG48818A3/xx unknown
- 1988-07-01 FI FI883165A patent/FI91329C/sv not_active IP Right Cessation
- 1988-07-04 HU HU883480A patent/HU205666B/hu not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE83322T1 (de) | 1992-12-15 |
IL86743A0 (en) | 1988-11-30 |
HUT48372A (en) | 1989-05-29 |
CS270000B2 (en) | 1990-05-14 |
FI91329C (sv) | 1994-06-10 |
FI91329B (sv) | 1994-02-28 |
US4918375A (en) | 1990-04-17 |
CS455288A2 (en) | 1989-09-12 |
BG48818A3 (en) | 1991-05-15 |
DE3876517T2 (de) | 1993-05-06 |
EP0297604A3 (en) | 1990-05-09 |
EP0297604B1 (en) | 1992-12-09 |
DE3876517D1 (de) | 1993-01-21 |
HU205666B (en) | 1992-05-28 |
FI883165A (sv) | 1989-01-04 |
EP0297604A2 (en) | 1989-01-04 |
IL86743A (en) | 1992-05-25 |
FI883165A0 (sv) | 1988-07-01 |
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ENJ | Ceased due to non-payment of renewal fee |