A Manual of Practical Hygiene, 2권W. Wood & Company, 1883 |
도서 본문에서
75개의 결과 중 1 - 5개
3 페이지
... surface of brick and stone . Bricks are often extremely porous , and a brick wall will absorb many gal- lons of water . " 2 Dryness of the roof should be carefully looked to in every case , as water often gets to the walls through a bad ...
... surface of brick and stone . Bricks are often extremely porous , and a brick wall will absorb many gal- lons of water . " 2 Dryness of the roof should be carefully looked to in every case , as water often gets to the walls through a bad ...
17 페이지
... surface , and subse- quently changes but little for some time . The urine , when unmixed with fæcal matter , also retains its natural acidity for a variable number of days , sometimes three or four ; sometimes eight or ten , or even ...
... surface , and subse- quently changes but little for some time . The urine , when unmixed with fæcal matter , also retains its natural acidity for a variable number of days , sometimes three or four ; sometimes eight or ten , or even ...
18 페이지
... surface channels , as they are still in many towns ; but for the sake of appearance and inoffensiveness , the custom must have soon arisen of placing them underground , nor in modern towns could they now be arranged other- wise . In ...
... surface channels , as they are still in many towns ; but for the sake of appearance and inoffensiveness , the custom must have soon arisen of placing them underground , nor in modern towns could they now be arranged other- wise . In ...
19 페이지
... surface wells . The suspended matters are , however , generally in larger proportion than the dissolved . In some cases the sewer water is in greater amount than the water supplied to the town and the rainfall together . This arises ...
... surface wells . The suspended matters are , however , generally in larger proportion than the dissolved . In some cases the sewer water is in greater amount than the water supplied to the town and the rainfall together . This arises ...
26 페이지
... surface , or higher if considered desirable . It is , however , apt to be clogged with grease , fæces , and other light matter ris- ing into the pipe . There are various similar arrangements . The " Som- erset Patent Trap , " designed ...
... surface , or higher if considered desirable . It is , however , apt to be clogged with grease , fæces , and other light matter ris- ing into the pipe . There are various similar arrangements . The " Som- erset Patent Trap , " designed ...
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기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
1,000 of strength action admissions ammonia amount appears average barometer barracks Board of Health body bulb carbolic acid carbon carried cause cent charcoal chloride cholera climate closet clothes cold contains deaths deodorant diarrhoea discharges disease disinfection drain dysentery earth effect enteric fever especially evaporation excreta exercise experiments Fahr foot gallons heat hospital humidity hydrogen sulphide Hygiene impure inches increased India iron less lessened lime lungs malarious mean medical officers miles mortality muscles nitrogen nitrous acid observations organic matter ounces oxidation oxygen ozone pass phthisis pipe possible prevent probably quantity rain regiment removed sanitary scurvy sewage sewer water sewers sick skin soil soldier stations substances sulphate sulphuric acid supply surface syphilis temperature tents thermometer tion towns trap troops typhoid typhoid fever typhus urine ventilation warm weight yellow fever
인기 인용구
516 페이지 - Provided, that the provisions of this act shall not apply to mixtures or compounds recognized as ordinary articles or ingredients of articles of food, if...
515 페이지 - ... whether manufactured or not ; or in the case of milk, if it is the produce of a diseased animal.
462 페이지 - ... in a direction contrary to the motion of the hands of a watch, with — and be this particularly noted — a constant tendency to turn inwards towards the centre of lowest barometer.
34 페이지 - Save as aforesaid, it includes rivers, streams, canals, lakes, and watercourses, other than watercourses at the passing of this Act mainly used as sewers, and emptying directly into the sea, or tidal waters which have not been determined to be streams within the meaning of this Act by such order as aforesaid...
515 페이지 - ... shall be deemed guilty of a misdemeanor, and upon conviction thereof shall be punished by fine not exceeding fifty dollars for the first offence, and not exceeding one hundred dollars for each subsequent offence. SEC. 2. The term "food," as used in this act, shall include every article used for food or drink by man.
515 페이지 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength. Second. If any substance has been substituted wholly or in part for the article. Third. If any valuable constituent of the article has been wholly or in part abstracted.
72 페이지 - When the same muscle (or group of muscles) is kept in constant action until fatigue sets in, the total work done, multiplied by the rate of work, is constant.
202 페이지 - Pacific, at the close of the last, and at the commencement of the present century, as is known to-day.
515 페이지 - First, If, when a drug is sold under or by a name recognized In the United States Pharmacopoeia or National Formulary...
504 페이지 - The enforcement of the law was placed in the hands of the State Board of Health, and soon after its passage the board appointed eight persons as a " Council of Analysts and Chemists.