Nature, Volume 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 431
... origin and composition ; its production by fer- mentation and by synthetic processes ; the nature of the materials employed ; the biochemical agents involved ; and the general operations of distilla- tion and rectification . The author ...
... origin and composition ; its production by fer- mentation and by synthetic processes ; the nature of the materials employed ; the biochemical agents involved ; and the general operations of distilla- tion and rectification . The author ...
Página 521
... origin . " He adduced anatomical and geological evidence in support of his view . Another morphological paper concerned itself with the vexed question of the nature and origin of the pith and inner endodermis in medullated ferns . Dr ...
... origin . " He adduced anatomical and geological evidence in support of his view . Another morphological paper concerned itself with the vexed question of the nature and origin of the pith and inner endodermis in medullated ferns . Dr ...
Página 640
... origin , the two types of chromosomes being traceable as in certain experi- mentally produced animal hybrids . Some races and individuals of sugar - maize are found to have eleven or twelve pairs of chromosomes , which is attributed to ...
... origin , the two types of chromosomes being traceable as in certain experi- mentally produced animal hybrids . Some races and individuals of sugar - maize are found to have eleven or twelve pairs of chromosomes , which is attributed to ...
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