The Long-term Performance of Two Rubidium Vapor Frequency Standards, Issues 341-351U.S. Department of Commerce, National Bureau of Standards, 1966 - 31 pages |
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Alfvén Alfvén wave ALLOYS Aluminum amplifier antenna aperture atomic attenuator BAND-PASS BAND-PASS FILTER Betz Bureau of Standards c-field capacitance circuit coefficient CONTROL BOX copper decibels DEPARTMENT OF COMMERCE deposition detector dipole effect Electropolished electrostatic voltmeter ENGINEERING equation error experimental field-strength meter Figure finish with RMS frequency shift frequency standard Fulk galvanometer hyperfine structure indication inductive voltage divider infrared input Institute ionosphere Kihara Lindeck potentiometer magnetic magnitude metals microinches National Bureau natural shift NBS TECHNICAL NOTE Nitrogen optical output oxidized oxygen phase phase-angle Phys physical potential function potential transformer potentiometer radiation field Radiation Source Method Radio Standards ratio resistor resonance frequency RMS rating Sample Preparation Radiation Schurin shown in Fig Source Method Reference Spectral Reflectance TABLE temperature thallium Thermal Conductivity thermal voltage converters thermoelements TOTAL REFLECTANCE transition U.S. DEPARTMENT Vacuum deposition Viscosity volts wave
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Page 26 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce.
Page 26 - Chemistry. THE INSTITUTE FOR APPLIED TECHNOLOGY provides technical services to promote the use of available technology and to facilitate technological innovation in industry and Government; cooperates with public and private organizations...
Page 26 - ... available technology and to facilitate technological innovation in industry and government. The principal elements of this Institute are: — Building Research — Electronic Instrumentation...
Page 26 - was established by an act of Congress March 3, 1901. Today, in addition to serving as the Nation's central measurement laboratory, the Bureau is a principal focal point in the Federal Government for assuring maximum application of the physical and engineering sciences to the advancement of technology in industry and commerce.
Page 26 - STANDARDS . . . provides the central basis within the United States for a complete and consistent system of physical measurements, coordinates that system with the measurement systems of other nations, and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce. This Institute comprises a series of divisions, each serving a classical subject matter area: — Applied Mathematics — Electricity — Metrology...
Page 26 - Located at 5285 Port Royal Road, Springfield, Virginia 22151. UNITED STATES DEPARTMENT OF COMMERCE Alexander B.
Page 66 - Evidence for maximum production of hydromagnetic emissions above the afternoon hemisphere of the earth. 1. Extrapolation to the base of the exosphere 2. Analysis of statistical studies, J.