NBS Special Publication, Issues 556-559U.S. Government Printing Office, 1979 |
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Results 1-5 of 100
Page 8
... obtained , and that includes some of what you will be hearing this afternoon , indicates the following . 1 . The basic hydrocarbon structure of petroleum lubricating oil is not significantly changed during use ; 2. An adequately re ...
... obtained , and that includes some of what you will be hearing this afternoon , indicates the following . 1 . The basic hydrocarbon structure of petroleum lubricating oil is not significantly changed during use ; 2. An adequately re ...
Page 30
... chromatograms of commercial gasoline types obtained by GC - GFAA with lead analyses of effluent automatically performed at 30 - second intervals ( see reference 21 ) . Here , a qualitative comparison of microliter quantities of two 30.
... chromatograms of commercial gasoline types obtained by GC - GFAA with lead analyses of effluent automatically performed at 30 - second intervals ( see reference 21 ) . Here , a qualitative comparison of microliter quantities of two 30.
Page 33
... obtained similarly in other runs cannot yet be identified but are estimated to comprise about 65 percent of the residual dissolved lead not removed by ultracentrifugation . Inasmuch as no collection of crankcase oil samples has yet been ...
... obtained similarly in other runs cannot yet be identified but are estimated to comprise about 65 percent of the residual dissolved lead not removed by ultracentrifugation . Inasmuch as no collection of crankcase oil samples has yet been ...
Page 40
... obtained by monitoring the chromato- graphic effluent fluorimetrically , with excitation and emission wavelengths optimized for detection of benzo ( a ) pyrene ( ex - 295nm , em - 400nm ) . Benzo ( a ) pyrene was identified in each oil ...
... obtained by monitoring the chromato- graphic effluent fluorimetrically , with excitation and emission wavelengths optimized for detection of benzo ( a ) pyrene ( ex - 295nm , em - 400nm ) . Benzo ( a ) pyrene was identified in each oil ...
Page 51
... obtained from literature review . a Table 3. Properties of Waste Oil / Residual Oil Blends a Property Residual oil 5 percent waste oil 25 percent waste oil 100 percent waste oil Gravity , API @ 60 ° F 13.2 13.7 15.9 24.0 Viscosity ...
... obtained from literature review . a Table 3. Properties of Waste Oil / Residual Oil Blends a Property Residual oil 5 percent waste oil 25 percent waste oil 100 percent waste oil Gravity , API @ 60 ° F 13.2 13.7 15.9 24.0 Viscosity ...
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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.
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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...