Air, Water, and Food from a Sanitary StandpointJ. Wiley & sons, 1909 - 278 sider |
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Side
... EXAMINATION .. 27 V. WATER : Source , Properties , SolveNT POWER , AS A CARRIER . VI . THE PROBlem of Safe WATER AND INTERPRETATION Of Analy- 57 SES ...... VII . METHODS OF EXAMINATION . 118 76 95 VIII . FOOD IN RELATION TO HUMAN LIFE ...
... EXAMINATION .. 27 V. WATER : Source , Properties , SolveNT POWER , AS A CARRIER . VI . THE PROBlem of Safe WATER AND INTERPRETATION Of Analy- 57 SES ...... VII . METHODS OF EXAMINATION . 118 76 95 VIII . FOOD IN RELATION TO HUMAN LIFE ...
Side 17
... examination of persons who have lived for some time in a smoky city proves ; nevertheless no definite ill effects have been as yet attributed to this cause . This again con- firms the inference that it is the gaseous constituents , and ...
... examination of persons who have lived for some time in a smoky city proves ; nevertheless no definite ill effects have been as yet attributed to this cause . This again con- firms the inference that it is the gaseous constituents , and ...
Side 21
... examinations of the air . The validity of these depends not only upon the per- fection and delicacy of apparatus and methods used , but also upon the judgment and intelligence with which the samples are taken . Many errors in the ...
... examinations of the air . The validity of these depends not only upon the per- fection and delicacy of apparatus and methods used , but also upon the judgment and intelligence with which the samples are taken . Many errors in the ...
Side 24
... examinations of house- air . Crowd - poison , " if it exists , keeps company with the increase of the products of respiration , and if the incoming air is strained or taken from a place free from dust , the par- ticles added to the air ...
... examinations of house- air . Crowd - poison , " if it exists , keeps company with the increase of the products of respiration , and if the incoming air is strained or taken from a place free from dust , the par- ticles added to the air ...
Side 25
... examination of such rooms , then , the position of flues or conduits , both inlets and outlets , which were intended to convey air or which serve without such intention , should first be located . Possible avenues of ingress and egress ...
... examination of such rooms , then , the position of flues or conduits , both inlets and outlets , which were intended to convey air or which serve without such intention , should first be located . Possible avenues of ingress and egress ...
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Air, Water, and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1909 |
Air, Water and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1911 |
Air, Water, and Food from a Sanitary Standpoint Ellen Henrietta Richards,Alpheus Grant Woodman Uten tilgangsbegrensning - 1909 |
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acetic adulterated alcohol algæ alkaline ammonia ammonium amount apparatus barium hydroxide beaker boiling bottle burette butter c.c. of water carbon dioxide casein cent Chem Chemistry chlorine color compounds contain cubic centimeters determination digestion dilute dish dissolved distilled water Elements Engineering ether evaporate extract Fehling's solution filter filtrate flask glass grams heat human hydrochloric acid ignited inches iodine laboratory Large 12mo liquid liter Manual Materials Mechanics method micro-organisms milk mineral minutes Nessler nitric acid nitrogen obtained odor organic matter oxidation oxygen phenolphthalein pipette platinum polluted portion potassium precipitate present proteids quantity residue rubber salts sample Sanitary sewage shaking sodium carbonate sodium hydroxide solids soluble solution specific gravity standard starch stopper stream substances sugar sulphate sulphuric acid surface-waters Tables temperature Text-book thiosulphate tion titration Treatise tube vanillin vegetable volume wash water-bath water-supply weight wine ΙΟ
Populære avsnitt
Side 160 - That the term blend as used herein shall be construed to mean a mixture of like substances, not excluding harmless coloring or flavoring ingredients used for the purpose of coloring and flavoring only: And...
Side 157 - That for the purposes of this act an article shall be deemed to be adulterated: In case of drugs: First, If, when a drug is sold under or by a name recognized In the United States Pharmacopoeia...