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127 results
  1. NLM Digital Collections - Cytochemical Studies of Planetary Microorganisms: Explorations in Exobiology 
    Publication: Produced: [April - September 1968]
    resource.nlm.nih.gov/101584906X15560
    ... to peak heights of coherent noises (i.e., 60 hz and induced noises of the digital interface). The borad band Johnson ...
  2. NLM Digital Collections - Hospital literature index (Volume 46) 
    resource.nlm.nih.gov/7807587X33
    ... 23(5):404~5 Threshold of sensation for 60-Hz leakage current: results of a survey. Tan KS, ... 13(1):31—5 Threshold of sensation for 60-Hz leakage current: results of a survey. Tan KS, ...
  3. NLM Digital Collections - Hospital literature index (Volume 40) 
    resource.nlm.nih.gov/7807587X27
    ... 4):48-53 Health care cost containment. Levine HZ. Personnel 1983 Sep-Oct;60(5):4-12 How corporations are trying to ... 4):48-53 Health care cost containment. Levine HZ. Personnel 1983 Sep-Oct;60(5):4-12 How corporations are trying to ...
  4. NLM Digital Collections - Hospital literature index (Volume 39) 
    resource.nlm.nih.gov/7807587X26
    ... how employers plan to cope with changes. Levine HZ. Personnel 1983 Mar-Apr;60(2):4-10 The new tax law’s strong ... how employers plan to cope with changes. Levine HZ. Personnel 1983 Mar-Apr;60(2):4-10 STANDARDS Health care in Israel. ...
  5. NLM Digital Collections - Papers and Proceedings of the Surgeon General's Conference on Agricultural Safety and Health 
    Publication: Centers for Disease Control (U.S.), September 1992
    resource.nlm.nih.gov/101584932X365
    ... a characteristic loss that occurs at 4,000 Hz. This is com- monly called the noise notch. This has implications for hearing conserva- tion ... differences in the 3,000 to 8,000 Hz range, again where you might expect noise exposure to start showing. The 50-year-old ...
  6. NLM Digital Collections - Hospital literature index (Volume 42) 
    resource.nlm.nih.gov/7807587X29
    ... the air? Shahoda T. Hospitals 1986 May 20;60(10):40, 42 Noise exposure levels from model airplane engines. Pearlman RC, ... screening of high-risk infants: effects of ambient noise in the neonatal ... 1986 Jun; 94(5):552-60 Richmond WL, Reynolds DL: The Fair Labor Standards ...
  7. NLM Digital Collections - Regulations for the Army of the Confederate States, 1863 
    Publication: Richmond, Va. : Randolph, 1863
    resource.nlm.nih.gov/62430300R
    ... a Z a a b. Z en CJ HZ eo i. _ Ci p. - .= E ■ ppi I — X n ^ ' rz 200 !10 | 100. 60 , • !3 * J3 . cj cS en - „s OJ u £ "^ T ...
  8. NLM Digital Collections - Hospital literature index (Volume 35) 
    resource.nlm.nih.gov/7807587X22
    ... J, Oleander R, Hallen O: Peroperative drill-generated noise levels in ear surgery. Acta Otolaryngol (Stockh) 87(5-6):458-60, May-Jun 79 Holmstrom F see Brandt EN ...
  9. NLM Digital Collections - Cytochemical Studies of Planetary Microorganisms: Explorations in Exobiology 
    Publication: Produced: [October 1967 - March 1968]
    resource.nlm.nih.gov/101584906X15558
    ... be shown that the 3db point in frequency noise rejection has been improved. In this example it went from 32 Hz.to 18 Hz., for a gain of about 1.35. These all multiply to a total gain of 13 in signal to noise, At Stanford we have used this to greatly ...
  10. NLM Digital Collections - Additions to the Materia medica pura 
    Publication: New-York : William Radde ...; London : H. Balliere ..., 1846
    resource.nlm.nih.gov/61820550R
    ... of wine ;2 after \ hour (Hk. 5, 6). 60. Aching pain in the left frontal region ; after one hour (Hz. 4). Obtuseness of the head, especially of the ... those marked H. from stronger doses (40 to 60 drops) on a young, thin man with ... robust man; those marked Hz. 1, from ten; those marked Hz. 2, from ...
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