Journal of Research of the National Bureau of Standards, Volume 85U.S. Department of Commerce, National Bureau of Standards, 1980 |
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... frequency converter , and a scaler - timer . Data acquisition was made by computer control . Prior to initiating the atomic weight ratio determinations , the digital measurement circuits of the mass spectrometers were calibrated and ...
... frequency converter , and a scaler - timer . Data acquisition was made by computer control . Prior to initiating the atomic weight ratio determinations , the digital measurement circuits of the mass spectrometers were calibrated and ...
Page 3
... frequency converter , and a scaler - timer . Data acquisition was made by computer control . Prior to initiating the atomic weight ratio determinations , the digital measurement circuits of the mass spectrometers were calibrated and ...
... frequency converter , and a scaler - timer . Data acquisition was made by computer control . Prior to initiating the atomic weight ratio determinations , the digital measurement circuits of the mass spectrometers were calibrated and ...
Page 39
... frequency . Peak height at the chopper frequency indicates average concentration , while the sidebands around this frequency contain information on the fluctuations in concentration of the species under observation . With the present ...
... frequency . Peak height at the chopper frequency indicates average concentration , while the sidebands around this frequency contain information on the fluctuations in concentration of the species under observation . With the present ...
Page 44
... frequency response measurements ; measurements ; review . This talk provides an overview of the difficulties associated with adequate propagation measurements . Work at NBS and other laboratories is reviewed . 18648. Day , G. W. ...
... frequency response measurements ; measurements ; review . This talk provides an overview of the difficulties associated with adequate propagation measurements . Work at NBS and other laboratories is reviewed . 18648. Day , G. W. ...
Page 45
... frequency stability ; oscillator systems ; quartz crystal oscillator ; short term frequency sta- bility . The purpose of this paper is to show how systems composed of multiple oscillators and resonators can achieve superior per ...
... frequency stability ; oscillator systems ; quartz crystal oscillator ; short term frequency sta- bility . The purpose of this paper is to show how systems composed of multiple oscillators and resonators can achieve superior per ...
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acid aerosol alloy aluminum analysis analytical anode atomic atomic weight building Bureau of Standards calculated calibration calorimeter cell Chem chemical chromospheric Conf constant coulometer croconate cryogenic crystal density detector determined developed discussed dosimetry effects electrical electron energy enthalpy of solution equation error evaluation experimental factors Faraday constant figure fire incident frequency function heat hydrogen ionization isotopic J. L. Bryan Key words laboratory laser linear magnetic malononitrile mass materials measurements ment method molal molecular National Bureau NBSIR neutron observed obtained optical Order from NTIS paper parameters particle percent performance Phys physical polymer potentiostat pressure Proc procedure Publ radiation range ratio reaction sample scattering silicon smoke detectors solar Spec spectra spectroscopy structure superconducting surface suspended coil techniques Technology temperature thallium thermal tion uncertainty values voltage weight x-ray
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Page 425 - Building Science Series — Disseminates technical information developed at the Bureau on building materials, components, systems, and whole structures. The series presents research results, test methods, and performance criteria related to the structural and environmental functions and the durability and safety characteristics of building elements and systems.
Page 509 - Provides quantitative data on the physical and chemical properties of materials, compiled from the world's literature and critically evaluated.
Page 232 - At the Institute for Computer Sciences and Technology of the national Bureau of Standards...
Page 509 - Studies or reports which are complete in themselves but restrictive in their treatment of a subject. Analogous to monographs but not so comprehensive in scope or definitive in treatment of the subject area. Often serve as a vehicle for final reports of work performed at NBS under the sponsorship of other government agencies.
Page 425 - A special series of interim or final reports on work performed by NBS for outside sponsors (both government and non-government). In general, initial distribution is handled by the sponsor; public distribution is by the National Technical Information Services (Springfield, Va. 22161) in paper copy or microfiche form.
Page 71 - ... materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government Agencies...
Page 71 - NIST pursuant to the Federal Property and Administrative Services Act of 1949 as amended, Public Law 89-306 (79 Stat. 1127), and as implemented by Executive Order 11717 (38 FR 12315, dated May 11, 1973) and Part 6 of Title 15 CFR (Code of Federal Regulations).