FI56592C - Foerfarande foer maetning av fukthalten hos ett roerligt pappersark - Google Patents
Foerfarande foer maetning av fukthalten hos ett roerligt pappersark Download PDFInfo
- Publication number
- FI56592C FI56592C FI333173A FI333173A FI56592C FI 56592 C FI56592 C FI 56592C FI 333173 A FI333173 A FI 333173A FI 333173 A FI333173 A FI 333173A FI 56592 C FI56592 C FI 56592C
- Authority
- FI
- Finland
- Prior art keywords
- signal
- paper
- water
- ratio
- weight
- Prior art date
Links
- 239000004744 fabric Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 230000005855 radiation Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims 2
- 230000006870 function Effects 0.000 description 15
- 239000011121 hardwood Substances 0.000 description 10
- 239000011122 softwood Substances 0.000 description 10
- 230000005669 field effect Effects 0.000 description 7
- 229940056932 lead sulfide Drugs 0.000 description 5
- 229910052981 lead sulfide Inorganic materials 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012886 linear function Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 241000183290 Scleropages leichardti Species 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- 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
- G01N33/34—Paper
- G01N33/346—Paper sheets
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30152172A | 1972-10-27 | 1972-10-27 | |
| US30152172 | 1972-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI56592B FI56592B (fi) | 1979-10-31 |
| FI56592C true FI56592C (fi) | 1980-02-11 |
Family
ID=23163743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI333173A FI56592C (fi) | 1972-10-27 | 1973-10-26 | Foerfarande foer maetning av fukthalten hos ett roerligt pappersark |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS4988588A (enrdf_load_stackoverflow) |
| CA (1) | CA1000406A (enrdf_load_stackoverflow) |
| FI (1) | FI56592C (enrdf_load_stackoverflow) |
| FR (1) | FR2205195A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1416619A (enrdf_load_stackoverflow) |
| SE (1) | SE390765B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006358A (en) * | 1975-06-12 | 1977-02-01 | Measurex Corporation | Method and apparatus for measuring the amount of moisture that is associated with a web of moving material |
| JPS5387281A (en) * | 1977-01-11 | 1978-08-01 | Toshiba Electronic Systems | Optical moisture meter |
| GB2013881B (en) * | 1978-02-03 | 1982-06-16 | Measurex Corp | Method of measuring the amount of substance associated with a material in the presence of a contaminant |
| JPS62288554A (ja) * | 1986-06-03 | 1987-12-15 | プ−マライセン ツツトキムスライトス オ−ワイ | 連続材料ウエブの横断面の特性を測定する方法 |
| GB2303444B (en) * | 1995-07-13 | 1999-03-10 | Protimeter Plc | Method of and apparatus for detecting moisture |
| GB2334097C (en) * | 1998-02-06 | 2005-09-14 | British Gas Plc | Method and apparatus to detect the presence of water on a surface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479916U (enrdf_load_stackoverflow) * | 1971-03-08 | 1972-10-05 |
-
1973
- 1973-10-12 CA CA183,184A patent/CA1000406A/en not_active Expired
- 1973-10-16 GB GB4821173A patent/GB1416619A/en not_active Expired
- 1973-10-26 FR FR7338305A patent/FR2205195A5/fr not_active Expired
- 1973-10-26 JP JP12062573A patent/JPS4988588A/ja active Pending
- 1973-10-26 SE SE7314560A patent/SE390765B/xx unknown
- 1973-10-26 FI FI333173A patent/FI56592C/fi active
-
1978
- 1978-07-03 JP JP9172778U patent/JPS5418295U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1416619A (en) | 1975-12-03 |
| DE2353772A1 (de) | 1974-05-22 |
| SE390765B (sv) | 1977-01-17 |
| DE2353772B2 (de) | 1977-01-27 |
| FI56592B (fi) | 1979-10-31 |
| FR2205195A5 (enrdf_load_stackoverflow) | 1974-05-24 |
| JPS5418295U (enrdf_load_stackoverflow) | 1979-02-06 |
| JPS4988588A (enrdf_load_stackoverflow) | 1974-08-23 |
| CA1000406A (en) | 1976-11-23 |
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