Manual of practical hygiene v. 2, 2권Wood, 1883 |
도서 본문에서
84개의 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 . " 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 . " 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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자주 나오는 단어 및 구문
1,000 of strength action admissions ammonia amount appears Army Medical average barometer barracks Board of Health body carbolic acid carbon carried cause cent charcoal chloride cholera climate closet clothes cold contains cubic deaths deodorant diarrhoea discharge disease disinfection drain dysentery earth effect enteric fever especially evaporation excreta exercise experiments Fahr feet 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 prevent probably quantity rain removed Report sanitary scurvy sewage sewer water sick siphon soil soldier solid excreta stations substances sulphate sulphuric acid supply surface syphilis temperature tents thermometer tion towns trap troops typhoid typhoid fever typhus urine ventilation wards warm weight yellow fever
인기 인용구
510 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...
509 페이지 - ... whether manufactured or not ; or in the case of milk, if it is the produce of a diseased animal.
456 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.
509 페이지 - First, If, when a drug is sold under or by a name recognized In the United States Pharmacopoeia or National Formulary...
509 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.
509 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.
359 페이지 - The strength of a chain is the strength of its weakest link, the engineers tell us," said Longworth, " and it is the same with evidence.
509 페이지 - If it be colored or coated, or polished or powdered, whereby damage is concealed, or it is made to appear better than it really is, or of greater value. 7. If it contain any added poisonous ingredient, or any ingredient which may render such article injurious to the health of a person consuming it...
498 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.
79 페이지 - Protection against Heat. — Texture has nothing to do with protection from the direct solar rays ; this depends entirely on color. White is the best color ; then gray, yellow, pink, blue, black. In hot countries, therefore, white or light gray clothing should be chosen.