Showing 201 - 220 results of 1,232 for search '', query time: 0.13s Refine Results
  1. 201
    Recommended notice of proposed rulemaking on noise levels for turbojet powered airplanes and large propeller driven airplanes.
    Published 1976
    Government Document Book
  2. 202
    Background document for railroad noise emissions standards.
    Published 1975
    Government Document Book
  3. 203
    A real-ear field method for the measurement of the noise attenuation of insert-type hearing protectors /
    Published 1976
    Government Document Book
  4. 204
    Noise dosimeters : past, present, and future /
    Government Document Book
  5. 205
    Aerodynamic performance of a 1.20-pressure-ratio fan stage designed for low noise /
    Government Document Book
  6. 206
    The noise environment of the underground coal mine /
    by Bobick, T. G., Giardino, Dennis A.
    Published 1976
    Government Document Book
  7. 207
    Noise and vibrations in residential structures from quarry production blasting : measurements at six sites in Illinois /
    Government Document Book
  8. 208
    Notice of proposed rulemaking on special local determinations procedures for interstate railroad noise emission standards and interstate motor carrier noise emission standards and guidelines for state and local governments on the filing and processing of applications for preemption waiver determinations.
    Published 1976
    Government Document Book
  9. 209
    Noise reduction tests of large scale model externally blown flap using trailing-edge blowing and partial flap slot covering /
    Government Document Book
  10. 210
    Thrust performance of isolated two dimension suppressed plug nozzles with and without ejectors at mach numbers from 0 to 0.45 /
    Government Document Book
  11. 211
    Development noise exposure contours for general aviation airports : final report /
    by Bishop, Dwight E., Hays, Anthony P.
    Published 1975
    Government Document Book
  12. 212
    Calculations of day-night levels (Ldn) resulting from civil aircraft operations.
    Government Document Book
  13. 213
    Noise at work.
    Published 1977
    Government Document Book
  14. 214
    Economic/social impact of occupational noise exposure regulations : testimony presented at the OSHA hearings on the Economic Impact of Occupational Noise Exposure, Washington, D.C.
    Published 1976
    Government Document Book
  15. 215
    Noise test development & validation program for light vehicles : executive summary, program plan.
    Published 1977
    Government Document Book
  16. 216
    Report of 1977 symposium on highway construction noise /
    Published 1977
    Government Document Book
  17. 217
    High velocity jet noise source location and reduction : Task 1 , Activation of facilities and validation of source location techniques /
    Published 1977
    Government Document Book
  18. 218
    High velocity jet noise source location and reduction : Task 4 , Development/evaluation of techniques for "inflight" investigation /
    Published 1977
    Government Document Book
  19. 219
    Railroad noise emission compliance regulations and standards.
    Government Document Book
  20. 220
    Background report on outdoor-indoor noise reduction calculation procedures employing the exterior wall noise rating (EWNR) method /
    by Mange, Gary E.
    Published 1978
    Government Document Book
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