NatureSir Norman Lockyer Macmillan Journals Limited, 1928 - 700 páginas |
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Página 235
... factor is the plate effect ; with a low separation factor it is desirable to have a small grain - diameter and long narrow columns . Examples were given illustrating these points . Dr. Claesson , who was warmly received , then spoke on ...
... factor is the plate effect ; with a low separation factor it is desirable to have a small grain - diameter and long narrow columns . Examples were given illustrating these points . Dr. Claesson , who was warmly received , then spoke on ...
Página 366
... factor also re- quired for optimal growth . We believe our growth - factor to be quite unrelated to the naphthoquinones , and using solid egg medium we have been unable to confirm the growth - promoting effect of phthiocol reported by ...
... factor also re- quired for optimal growth . We believe our growth - factor to be quite unrelated to the naphthoquinones , and using solid egg medium we have been unable to confirm the growth - promoting effect of phthiocol reported by ...
Página 476
... factor by making possible the exchange of commodities and the move- ment of individuals , and Sir Harold stressed the value of air transport in opening up undeveloped regions . This factor is intimately linked with the are economic factor ...
... factor by making possible the exchange of commodities and the move- ment of individuals , and Sir Harold stressed the value of air transport in opening up undeveloped regions . This factor is intimately linked with the are economic factor ...
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