A Manual of Practical Hygiene, 2권W. Wood & Company, 1883 |
도서 본문에서
68개의 결과 중 1 - 5개
19 페이지
... period streams were thus contaminated and their water originally pure was thus rendered unfit for use , it is only lately that a strong opposition has arisen to the discharge into streams . This is owing partly to the greater pollution ...
... period streams were thus contaminated and their water originally pure was thus rendered unfit for use , it is only lately that a strong opposition has arisen to the discharge into streams . This is owing partly to the greater pollution ...
33 페이지
... periods , ' and we may conclude that oxi- dation of sewage in running water cannot be depended on for perfect safety . Reports of the Commissioners appointed to inquire into the Pollution of Rivers , 1870 , vols . i . , ii . , and iii ...
... periods , ' and we may conclude that oxi- dation of sewage in running water cannot be depended on for perfect safety . Reports of the Commissioners appointed to inquire into the Pollution of Rivers , 1870 , vols . i . , ii . , and iii ...
37 페이지
... periods of growth , as well as for market vegetables when the viscid parts are separated . When the sewer water permeates through the soil there occur - 1st , a mechanical arrest of suspended matters ; 2d , an oxidation pro- ducing ...
... periods of growth , as well as for market vegetables when the viscid parts are separated . When the sewer water permeates through the soil there occur - 1st , a mechanical arrest of suspended matters ; 2d , an oxidation pro- ducing ...
48 페이지
... periods , sometimes militates against the success . To obviate these disadvantages , some modifications have been introduced into Moule's closet ; one side of the receptacle may be covered with a grating , leading to a pipe , so that ...
... periods , sometimes militates against the success . To obviate these disadvantages , some modifications have been introduced into Moule's closet ; one side of the receptacle may be covered with a grating , leading to a pipe , so that ...
53 페이지
... periods of removal . In many towns where land is more available , the immediate application to land , either by filtration or irrigation , may be evidently indicated by the conditions of the case , while in others precipitation may have ...
... periods of removal . In many towns where land is more available , the immediate application to land , either by filtration or irrigation , may be evidently indicated by the conditions of the case , while in others precipitation may have ...
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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.