The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 118
... organic halogen compounds . One isomer , 1,1,1 - trichloroethane , called methylchloroform , is used as a replace- ment for carbon tetrachloride as a cold clean- ing solvent for machinery ; it is not used in va- pour degreasing ...
... organic halogen compounds . One isomer , 1,1,1 - trichloroethane , called methylchloroform , is used as a replace- ment for carbon tetrachloride as a cold clean- ing solvent for machinery ; it is not used in va- pour degreasing ...
Page 301
... organic nitrogen compound uracil . See uracil . uridylic acid , a structural unit of ribonucleic acids ( RNAS ) composed of the sugar ribose , phosphoric acid , and the organic nitrogen compound uracil . See uracil . Uriel ( angel ) ...
... organic nitrogen compound uracil . See uracil . uridylic acid , a structural unit of ribonucleic acids ( RNAS ) composed of the sugar ribose , phosphoric acid , and the organic nitrogen compound uracil . See uracil . Uriel ( angel ) ...
Page 448
... organic com- pound ( C4H6O2 ) belonging to the family of carboxylic esters , obtainable by the reaction of acetic acid with acetylene or with ethylene and used in making polymers and copolymers . See polyvinyl acetate . plastics ...
... organic com- pound ( C4H6O2 ) belonging to the family of carboxylic esters , obtainable by the reaction of acetic acid with acetylene or with ethylene and used in making polymers and copolymers . See polyvinyl acetate . plastics ...
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