Air, Water, and Food from a Sanitary StandpointJ. Wiley & sons, 1909 - 278 sider |
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Side 17
... organic matter in such air as in that of the streets above . Beyond individual control , and in a measure beyond gen- eral control , there exists suspended matter in the air : fine volcanic dust , pollen , spores of moulds and algæ ...
... organic matter in such air as in that of the streets above . Beyond individual control , and in a measure beyond gen- eral control , there exists suspended matter in the air : fine volcanic dust , pollen , spores of moulds and algæ ...
Side 18
... organic matter given off with the carbon dioxide and moisture in the breath . References will be found in the ... substance . The same conclusion is reached by Dr. Emanuel Formánek of the Hygienic Institute at Prague after a long series ...
... organic matter given off with the carbon dioxide and moisture in the breath . References will be found in the ... substance . The same conclusion is reached by Dr. Emanuel Formánek of the Hygienic Institute at Prague after a long series ...
Side 55
... Organic Matter . - In regard to the presence of organic matter in the air there is at present considerable variance of opinion . While some investigators have obtained results which indicate the presence of such organic matter , it has ...
... Organic Matter . - In regard to the presence of organic matter in the air there is at present considerable variance of opinion . While some investigators have obtained results which indicate the presence of such organic matter , it has ...
Side 56
... organic matter , and that the mere act of transference of the absorb- ing material resulted in a considerable error . Miss Talbot + found , furthermore , that all of the organic matter is not con- verted into ammonia by a single ...
... organic matter , and that the mere act of transference of the absorb- ing material resulted in a considerable error . Miss Talbot + found , furthermore , that all of the organic matter is not con- verted into ammonia by a single ...
Side 63
... organic matter and sup- ports a thick growth of tiny plants ; the stones , even , may be coated with green slime ... material stirred up by the cattle soon settles , leaving the water in the stream below clear , although probably a ...
... organic matter and sup- ports a thick growth of tiny plants ; the stones , even , may be coated with green slime ... material stirred up by the cattle soon settles , leaving the water in the stream below clear , although probably a ...
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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...