Special Technical Facilities at the National Bureau of StandardsNational Bureau of Standards, 1976 - 50 pages |
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Results 1-5 of 13
Page 6
... com- pressed - air gun fires ice spheres up to 21⁄2 inches diameter against roofing and siding specimens at measured speeds up to 145 feet per second . Applications : Comparative studies of structural ma- terials , coatings. 6.
... com- pressed - air gun fires ice spheres up to 21⁄2 inches diameter against roofing and siding specimens at measured speeds up to 145 feet per second . Applications : Comparative studies of structural ma- terials , coatings. 6.
Page 8
... specimens of good insulators ; its range is 0.1 to 10 Btu per hour ft2 ( ° F / in . ) , or 0.15 to 15 milliwatts per cm ° C from 0 to 130 ° F ( -18 to 54 ° C ) . Recently a new and more accurate hot plate apparatus based upon the ...
... specimens of good insulators ; its range is 0.1 to 10 Btu per hour ft2 ( ° F / in . ) , or 0.15 to 15 milliwatts per cm ° C from 0 to 130 ° F ( -18 to 54 ° C ) . Recently a new and more accurate hot plate apparatus based upon the ...
Page 10
... Specimens in solid or liquid state com- patible with gold plated copper cell . Temperature range , 2 to 380 K with ± 0.001K accuracy ( referenced to IPTS 1968 ) . Heat capacity accurate to 0.05 % . A lower accuracy scanning mode is ...
... Specimens in solid or liquid state com- patible with gold plated copper cell . Temperature range , 2 to 380 K with ± 0.001K accuracy ( referenced to IPTS 1968 ) . Heat capacity accurate to 0.05 % . A lower accuracy scanning mode is ...
Page 16
... specimen is from 0.12 H to 600 H ; the range for capacitors is from 100 pF to 50μF . The power losses can be measured to about one - percent accuracy ; the inductance and capaci- tance to about 0.01 percent to 0.1 percent accuracy ...
... specimen is from 0.12 H to 600 H ; the range for capacitors is from 100 pF to 50μF . The power losses can be measured to about one - percent accuracy ; the inductance and capaci- tance to about 0.01 percent to 0.1 percent accuracy ...
Page 17
... specimen up to 2.5 cm diameter and 1 cm thick . Resolution of 25nm , and maximum magnification of 100,000x . Electron beam of about 10 nm ( 100Ă ) diameter is driven across specimen , while secondary electrons , backscattered electrons ...
... specimen up to 2.5 cm diameter and 1 cm thick . Resolution of 25nm , and maximum magnification of 100,000x . Electron beam of about 10 nm ( 100Ă ) diameter is driven across specimen , while secondary electrons , backscattered electrons ...
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