Journal of Research of the National Bureau of Standards: Engineering and instrumentation. C, Volumes 72-75U.S. Government Printing Office, 1968 |
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Page 15
... effect of such an amplitude would result in an error less than 0.0003 cm / s2 in an individual measurement . Such an error represents the upper limit possible . The calculation has not included motion of the center of mass of the silica ...
... effect of such an amplitude would result in an error less than 0.0003 cm / s2 in an individual measurement . Such an error represents the upper limit possible . The calculation has not included motion of the center of mass of the silica ...
Page 16
... effect due to residual air would be less than 0.03 parts in a million . In the earlier course of the experiment a few deter- minations were made with atmospheric pressure in the vacuum chamber . Since the air in the chamber is being ...
... effect due to residual air would be less than 0.03 parts in a million . In the earlier course of the experiment a few deter- minations were made with atmospheric pressure in the vacuum chamber . Since the air in the chamber is being ...
Page 17
... effect could be significant . The displacement of the image of an object viewed through a plane - parallel glass plate is sensitive to tilt of the plate . The displacement for small angles of tilt is on the order of d = T9 ( 1 ) where T ...
... effect could be significant . The displacement of the image of an object viewed through a plane - parallel glass plate is sensitive to tilt of the plate . The displacement for small angles of tilt is on the order of d = T9 ( 1 ) where T ...
Page 63
... effect between the individual ele- ments of the resistive disk and between each element of the disk and the transmission line conductors . One might also question the perturbation effect of the disk upon the concentric magnetic field ...
... effect between the individual ele- ments of the resistive disk and between each element of the disk and the transmission line conductors . One might also question the perturbation effect of the disk upon the concentric magnetic field ...
Page 64
... effect in this latter case will be discussed further on . One may also heuristically show that the presence of the disk will not distort the field . This effect is negligible because of the circular and axial symmetry of the structure ...
... effect in this latter case will be discussed further on . One may also heuristically show that the presence of the disk will not distort the field . This effect is negligible because of the circular and axial symmetry of the structure ...
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accuracy admittance alloys analysis application approximately atomic attenuation bolometer Bolovac bridge Bureau of Standards calculated calibration calorimeter capacitance capacitor Chem circuit coaxial coefficient connectors constant creep Cryogenic crystal curves density described detector determined dew point disk effect electrical electron electron probe microanalysis energy equation error evaluation experimental field film flow frequency function heat hydrometer IEEE impedance input Instr Instrumentation Vol Key words laser linear liquid load magnetic materials measurements ment meter method microwave Mössbauer effect Mössbauer spectroscopy National Bureau obtained optical oscilloscope output paper parameters percent Phys precision pressure Proc properties pulse radiation range ratio reference resistance resistors resonance sample shown in figure solution specimen spectra stress surface Tech techniques temperature thermal thermal conductivity thermocouple thermodynamic thiosulfate tion Trans tube tungsten uncertainty values vapor voltage waveguide wet-bulb wet-bulb temperature wire x-ray
Popular passages
Page 28 - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the material or equipment identified is necessarily the best available for the purpose.
Page 46 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates...
Page 25 - Passenger comfort is one of the most important factors to be considered in the design of these facilities and this also applies to the waiting rooms, rest rooms, lunch and dining rooms.
Page 21 - ... (1) nuclear data, (2) atomic and molecular data, (3) solid state data, (4) thermodynamic and transport data, (5) chemical kinetics, (6) colloid and surface properties, and (7) mechanical properties.
Page 82 - These include the development and maintenance of the national standards of measurement and the provision of means and methods for making measurements consistent with these standards...
Page 23 - The procedure uses the x and y coordinates and the individual directions of the minutiae ( ridge endings and bifurcations). The identity of the...
Page 22 - This publication contains a descriptive listing, item by item, of most of the test and calibration work done at the National Bureau of Standards with the respective fees.
Page 16 - Maryland, and by the Division of Biology and Medicine of the United States Atomic...