The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 194
... containing “ active hydrogen " can be alkylated . viously covering with a layer of immiscible solvent , such Thus , compounds containing a methylene ( -CH , - ) or as toluene . Estrogens are extracted from the solvent , and a methyne ...
... containing “ active hydrogen " can be alkylated . viously covering with a layer of immiscible solvent , such Thus , compounds containing a methylene ( -CH , - ) or as toluene . Estrogens are extracted from the solvent , and a methyne ...
Page 285
... ( containing fluoride ) , chlorapatite ( containing chloride ) , and hydroxylapatite containing hydroxyl ) . The mineral exhibits toleration of extensive substitutions for phosphate and for calcium . Some of these chemical variants have ...
... ( containing fluoride ) , chlorapatite ( containing chloride ) , and hydroxylapatite containing hydroxyl ) . The mineral exhibits toleration of extensive substitutions for phosphate and for calcium . Some of these chemical variants have ...
Page 369
... containing they performed only the two light reactions ( see below soluble enzymes , is the site of conversion of carbon dioxide The light reactions ) of the photosynthetic process . It is and hydrogen to carbohydrates . ( C ) Starch ...
... containing they performed only the two light reactions ( see below soluble enzymes , is the site of conversion of carbon dioxide The light reactions ) of the photosynthetic process . It is and hydrogen to carbohydrates . ( C ) Starch ...
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activity America animals appear areas atoms became become body called camera century changes chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes human important increase individual industry islands Italy known later less light liquid living lower major material means ment methods movement natural North occur organic original Peking Pentecostal percent period Persian personality pest Peter petroleum phase Philip philosophy photographs plant political position possible practice present pressure printing problems production Quakers range region remains result rocks similar social South species structure surface temperature theory tion United University usually widely