914 resultados para Sanitation, Household


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Earlier ed. by H. G. Scott.

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"September 2003"--P. ii.

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"Material is based on surveys made for the Medical department of the United States army ... The surveys ... represent the work of a large number of individuals associated ... with the Medical intelligence division of the Office of the # general of the United States army."--Pref.

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"A record and review of current reform."

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Vols. for 1965- include provisional estimates for the following year.

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"Revision of PHS Publication no. 24, Individual water supply systems [by the Joint Committee on Rural Sanitation] issued in 1950."

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Cover-title.

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Participation in at least 30 min of moderate intensity activity on most days is assumed to confer health benefits. This study accordingly determined whether the more vigorous household and garden tasks (sweeping, window cleaning, vacuuming and lawn mowing) are performed by middle-aged men at a moderate intensity of 3-6 metabolic equivalents (METs) in the laboratory and at home. Measured energy expenditure during self-perceived moderate-paced walking was used as a marker of exercise intensity. Energy expenditure was also predicted via indirect methods. Thirty-six males [Xmacr (SD): 40.0 (3.3) years; 179.5 (6.9) cm; 83.4 (14.0) kg] were measured for resting metabolic rate (RMR) and oxygen consumption (V.O-2) during the five activities using the Douglas bag method. Heart rate , respiratory frequency, CSA (Computer Science Applications) movement counts, Borg scale ratings of perceived exertion and Quetelet's index were also recorded as potential predictors of exercise intensity. Except for vacuuming in the laboratory, which was not significantly different from 3.0 METs (P=0.98), the MET means in the laboratory and home were all significantly greater than 3.0 (Pless than or equal to0.006). The sweeping and vacuuming MET means were significantly higher (P