Journal of Research of the National Bureau of Standards: Engineering and instrumentation. C, Volumes 72-75U.S. Government Printing Office, 1968 |
From inside the book
Results 1-5 of 100
Page 39
... function of time . After nulling the potentiometer for the steady- state initial wet - bulb temperature condition , a trace was obtained of the wet - bulb temperature change produced by the step - function change in mixing ratio . 5.2 ...
... function of time . After nulling the potentiometer for the steady- state initial wet - bulb temperature condition , a trace was obtained of the wet - bulb temperature change produced by the step - function change in mixing ratio . 5.2 ...
Page 40
... functions h ( P , T , r ) , h ( P , Tw , r ) , h ( P , Tw , rw ) and h ( P , Tw ) , the latent heat of vaporization function L ( T ) and the saturation mixing ratio function ( P , Tw ) . Not only do the measurement errors in P , T , and ...
... functions h ( P , T , r ) , h ( P , Tw , r ) , h ( P , Tw , rw ) and h ( P , Tw ) , the latent heat of vaporization function L ( T ) and the saturation mixing ratio function ( P , Tw ) . Not only do the measurement errors in P , T , and ...
Page 44
... function as an adiabatic saturation psychrometer , such corrections were not made in this evaluation . Though on the average the measured wet - bulb temperatures differ little from the calculated wet- bulb temperatures , there is a ...
... function as an adiabatic saturation psychrometer , such corrections were not made in this evaluation . Though on the average the measured wet - bulb temperatures differ little from the calculated wet- bulb temperatures , there is a ...
Page 57
... function of the guard circuits is to intercept or eliminate any leakage currents , and their secondary function is to prevent electrostatic pickups . Because of the nature of the terminals used on the commercial test dividers , the ...
... function of the guard circuits is to intercept or eliminate any leakage currents , and their secondary function is to prevent electrostatic pickups . Because of the nature of the terminals used on the commercial test dividers , the ...
Page 71
... function of their thickness . The temperature coefficient is negative for values below about 100 Å , then crosses the zero line and becomes positive as the thickness increases [ 13 ] . For two disks having the same temperature ...
... function of their thickness . The temperature coefficient is negative for values below about 100 Å , then crosses the zero line and becomes positive as the thickness increases [ 13 ] . For two disks having the same temperature ...
Other editions - View all
Common terms and phrases
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...