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  1. NLM Digital Collections - The medical department of the United States Army in the world war (Volume 2) 
    Publication: Washington : Government Printing Office, 1921-1929
    resource.nlm.nih.gov/14120390RX2
    ... their quarters. The exercises were then continued for 30 minutes and another inspection was made, with the same ... the bag and allow the water to stand 30 minutes before use. (5) Never refill a partially7 emptied ...
  2. NLM Digital Collections - Chemical warfare agents and related chemical problems (Parts 1-2) 
    Publication: Washington, D.C. : Office of Scientific Research and Development, National Defense Research Committe, Division 9, 1946
    resource.nlm.nih.gov/14111270RX1
    ... the contaminated area fell steeply during the first 30 minutes of the experiments and thereafter was not dangerous. ... exposure, but 0.35 mg I for a 30-minute exposure is said to be the LCsn,,M ...
  3. NLM Digital Collections - Locus of impaction of particulates 
    Publication: [Japan?] : GHQ Technical Intelligence Department, 15 December 1948
    resource.nlm.nih.gov/30320390R
    ... velocity before the application was restored in approx. 30 minutes 0.3 0.625 0.625 (100) 0, ... velocity before the application was restored in approx. 30 minutes. 0.5 0.625 0.625 (100) 0. ...
  4. NLM Digital Collections - Annual historical report: professional section (1952) 
    resource.nlm.nih.gov/22210610RX5
    ... agitating this mixture in the refrig- erator for 30 minutes. The precipitated protein was removed by centrifugation at ... the mixture gently agitated in the cold for 30 minutes. The protamine-heparin complex thus formed was sedimented ...
  5. Against The Odds:My Agita Brazil: Healthy Lifestyle 
    https://www.nlm.nih.gov/.../lesson_plan_healthy_lifestyle.html
    ... and persuade them to improve their health with 30 minutes of daily physical activity. Time Needed: Two 30-minute periods Download a PDF of this Lesson Plan ...
  6. pdflesson_plan_healthy_lifestyle.pdf 
    https://www.nlm.nih.gov/.../hl/lesson_plan_healthy_lifestyle.pdf
    ... and persuade them to improve their health with 30 minutes of daily physical activity. Learning outcomes: Students will ... three different physical activities they can do for 30 minutes a day. • Write and/or illustrate a message ...
  7. pdfAgita: Dance Your Way to Health! 
    https://www.nlm.nih.gov/.../pdfs/hl/agita_story_read_aloud.pdf
    ... The program helps many students in Brazil get 30 minutes of daily physical activity in order to stay ... is easy and fun to be active for 30 minutes every day. The students come up with their ...
  8. NLM Digital Collections - Diabetic metabolism with high and low diets 
    Publication: Washington : Carnegie Institution of Washington, 1923
    resource.nlm.nih.gov/41120530R
    ... of the various sugars began within the first 30 minutes and reached its maximum either in the first ... surprisingly uniform results for periods as short as 30 minutes, it is really not a form of apparatus ...
  9. NLM Digital Collections - A dictionary of arts and sciences (Volume 2) 
    Publication: Philadelphia : Published by Isaac Peirce ..., 1815-1816
    resource.nlm.nih.gov/60210040RX2
    ... the cylinder was 60°; at the end of 30 minutes, when it bad made 960 revolutions, its temperature ... the temperature of the water was 107°; in 30 minutes more it was 178°; and in two hours ...
  10. NLM Digital Collections - Minutes and proceedings of the ... meeting of the Armed Forces-NRC Vision Committee ... 
    resource.nlm.nih.gov/22120190RX14
    ... control data were compared with thresholds following 25-30 minutes' exposure to red light. Experiment II was designed ... in an alternating order, with a minimum of 30 minutes between tests. This separation had been found in ...
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