Air, Water, and Food from a Sanitary StandpointJ. Wiley & sons, 1909 - 278 sider |
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Side 58
... direct contradiction to this law . As population increases , cities need to go farther and farther into the country for their water - supply , and they often take from the few settlers found there the right to the water which passes ...
... direct contradiction to this law . As population increases , cities need to go farther and farther into the country for their water - supply , and they often take from the few settlers found there the right to the water which passes ...
Side 66
... direct . Even when filtration is perfect , the products of decay are yet carried with it and so tell the story of the past . The difficulty is to determine the state of the filter which may be on a neighbor's land many hundred feet away ...
... direct . Even when filtration is perfect , the products of decay are yet carried with it and so tell the story of the past . The difficulty is to determine the state of the filter which may be on a neighbor's land many hundred feet away ...
Side 71
... direct sewage ; but , in any case , the growth of these plants is a sign of abundant food- supply which must be cut off if they are to be starved out , as they must be unless they are removed while fresh by strain- ing or skimming , for ...
... direct sewage ; but , in any case , the growth of these plants is a sign of abundant food- supply which must be cut off if they are to be starved out , as they must be unless they are removed while fresh by strain- ing or skimming , for ...
Side 95
... direct pro- portion to the knowledge and experience of the one who interprets it . Clinical skill in addition to theoretical knowl- edge is required to interpret the figures obtained in the course of a water - analysis , as in the ...
... direct pro- portion to the knowledge and experience of the one who interprets it . Clinical skill in addition to theoretical knowl- edge is required to interpret the figures obtained in the course of a water - analysis , as in the ...
Side 120
... direct titration ; hence it should be calculated to calcium carbonate and subtracted from the results found by the direct titra- tion . Determination of Phosphates . † -Directions . - Evapo- rate 50 c.c. of the water and 3 c.c. of ...
... direct titration ; hence it should be calculated to calcium carbonate and subtracted from the results found by the direct titra- tion . Determination of Phosphates . † -Directions . - Evapo- rate 50 c.c. of the water and 3 c.c. of ...
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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 |
Vanlige uttrykk og setninger
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...