NBS Special Publication, Issues 556-559U.S. Government Printing Office, 1979 |
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Page 23
... range of 50 percent ) -- and possibly other metals -- is present in the form of fine suspended particulates . Primary applications of spent lubricating oils to which metal contents are rele- vant are : ( 1 ) re - refining , ( 2 ) ...
... range of 50 percent ) -- and possibly other metals -- is present in the form of fine suspended particulates . Primary applications of spent lubricating oils to which metal contents are rele- vant are : ( 1 ) re - refining , ( 2 ) ...
Page 30
... range of polarity ( or ionicity ) and volatility of solvated organometals pointed to options available for separation schemes . Thus , for gaseous organometals , as have other workers , we developed gas chromatographic ( GC ) procedures ...
... range of polarity ( or ionicity ) and volatility of solvated organometals pointed to options available for separation schemes . Thus , for gaseous organometals , as have other workers , we developed gas chromatographic ( GC ) procedures ...
Page 67
... ranges from highly compounded petroleum oils to fatty oils such as No. 1 tallow . The latter is comprised of hydraulic ... range from low viscosity oils ( even high flash point kerosine ) for honing and lapping , to high viscosity oils ...
... ranges from highly compounded petroleum oils to fatty oils such as No. 1 tallow . The latter is comprised of hydraulic ... range from low viscosity oils ( even high flash point kerosine ) for honing and lapping , to high viscosity oils ...
Page 73
... range of variables and oil movement mechanisms , precise quantita- tion of oil movement applicable to numerous roads ... ranges from 15 to 30 percent sludge , the balance being waste crankcase oils . A waste oil collector from the Boston ...
... range of variables and oil movement mechanisms , precise quantita- tion of oil movement applicable to numerous roads ... ranges from 15 to 30 percent sludge , the balance being waste crankcase oils . A waste oil collector from the Boston ...
Page 109
... range of viscosities , even though this is not a common practice today with the acid - clay process . The two scenarios considered in the study , either re - refining or burning of all used oil , and the separate analysis of ...
... range of viscosities , even though this is not a common practice today with the acid - clay process . The two scenarios considered in the study , either re - refining or burning of all used oil , and the separate analysis of ...
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210 shingles 235 shingles accuracy addition aerosol aldehydes antenna applied aromatic Atkinson atmospheric atomic base benefits and costs benzaldehyde Bureau of Standards calibration Chem chemical chemical kinetics chemistry clock concentrations cost savings counter crystal oscillator cycle delay discount DUT1 engine Environmental error estimated evaluation formaldehyde formation free radicals frequency fuel HO₂ hydrocarbons input interval investment isobutene kcal ketones kinetic laboratory Loran-C measure metals method microseconds milliseconds National Bureau Niki NO₂ o-cresol olefins oscillator oscilloscope output oxidation percent phase phase detector Photochemistry photolysis Phys Pitts plumbing Pollution present value problem pulse radio rate constants rate of return ratio re-refined oil reaction receiver Recycled Oil Relative rate signal skywave smog chamber specific stations studies Table techniques tion toluene trigger troposphere venting waste oil WWVB WWVH
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Page 114 - 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 23 - That the functions of the bureau shall consist in the custody of the standards; the comparison of the standards used in scientific investigations, engineering, manufacturing, commerce, and educational institutions with the standards adopted or recognized by the Government; the construction, when necessary, of standards, their multiples and subdivisions; the testing and calibration of standard measuring apparatus; the solution of problems which arise in connection with standards; the determination...
Page v - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards , nor does it imply that the...
Page 195 - The second is the duration of 9, 192, 631, 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium- 133 atom (13th CGPM, 1967).
Page 95 - ... (a) cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness; or (b) pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported, or disposed of, or otherwise managed.
Page 232 - THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to improved methods of measurement, standards, and data on the properties of well-characterized materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government agencies; and develops, produces, and distributes standard reference materials.
Page 232 - ... these efforts; builds and maintains competence in the necessary disciplines required to carry out this research and technical service; develops engineering data and measurement capabilities; provides engineering measurement traceability services; develops test methods and proposes engineering standards and code changes; develops and proposes new engineering practices; and develops and improves mechanisms to transfer results of its research to the utlimate user. The Laboratory consists of the...