ScienceJohn Michels (Journalist) 1952 |
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Стр. 42
... reported are 1,3 - butadiene and cyclopentadiene . An equivalent single bond should be that between an olefinic carbon and a ring carbon in stilbene ( 1,2 - di- phenylethylene ) ; this bond is in the same class . The calculated - reported ...
... reported are 1,3 - butadiene and cyclopentadiene . An equivalent single bond should be that between an olefinic carbon and a ring carbon in stilbene ( 1,2 - di- phenylethylene ) ; this bond is in the same class . The calculated - reported ...
Стр. 182
... ( reported from Indiana . to Nebraska ) . Let us examine some typical first reports on a shadow - casting meteor . A woman reported that she had seen a ball of fire fall through a tree in her neigh- bor's yard in Omaha , Nebraska ; at the ...
... ( reported from Indiana . to Nebraska ) . Let us examine some typical first reports on a shadow - casting meteor . A woman reported that she had seen a ball of fire fall through a tree in her neigh- bor's yard in Omaha , Nebraska ; at the ...
Стр. 498
... reported that , in egg transplantation work , the age of the donor rabbit is immaterial for effective fertiliza- tion and transplantation , but that immaturity of the recipient is harmful . Chang reported that eggs had been successfully ...
... reported that , in egg transplantation work , the age of the donor rabbit is immaterial for effective fertiliza- tion and transplantation , but that immaturity of the recipient is harmful . Chang reported that eggs had been successfully ...
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