Air, Water, and Food from a Sanitary StandpointJ. Wiley & sons, 1909 - 278 sider |
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Side 4
... becomes a menace . Water is the next precious commodity of the three . Without it man dies in a few days ; without it the soil is bar- ren ; without it air in motion parches all vegetation and carries clouds of dust - particles ...
... becomes a menace . Water is the next precious commodity of the three . Without it man dies in a few days ; without it the soil is bar- ren ; without it air in motion parches all vegetation and carries clouds of dust - particles ...
Side 5
... become loaded , so the water has also its plant life , purifying it and withdrawing that which would otherwise soon render it unfit for any use . Pure water is found only in the chemical laboratory ; the most that can be hoped for is ...
... become loaded , so the water has also its plant life , purifying it and withdrawing that which would otherwise soon render it unfit for any use . Pure water is found only in the chemical laboratory ; the most that can be hoped for is ...
Side 6
... become a possible source of poison- ous products ? Or has anything in the nature of a preserva- tive been added to it ? If so , is it of a nature injurious to man ? There is , however , a great range of quality in some of the most ...
... become a possible source of poison- ous products ? Or has anything in the nature of a preserva- tive been added to it ? If so , is it of a nature injurious to man ? There is , however , a great range of quality in some of the most ...
Side 8
... becomes wiser . A part of the common knowledge of the race should be the essentials of healthful living , in order that the full measure of human progress may be enjoyed . There is needed a greater respect for food and its func- tions ...
... becomes wiser . A part of the common knowledge of the race should be the essentials of healthful living , in order that the full measure of human progress may be enjoyed . There is needed a greater respect for food and its func- tions ...
Side 16
... become about one - third saturated the effect becomes sensible ; but if the quantity of gas is considerable , the symptoms are hardly noticeable before insensibility occurs . For this reason , glow- ing charcoal and open gas - jets are ...
... become about one - third saturated the effect becomes sensible ; but if the quantity of gas is considerable , the symptoms are hardly noticeable before insensibility occurs . For this reason , glow- ing charcoal and open gas - jets are ...
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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...