ScienceJohn Michels (Journalist) 1938 |
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Стр. 18
... solution up into the sand containers . As the solution rises in the sand it also rises in tube ( b ) , the height of which is adjusted so that when the solution has almost reached the surface of the sand it overflows and fills vessel ...
... solution up into the sand containers . As the solution rises in the sand it also rises in tube ( b ) , the height of which is adjusted so that when the solution has almost reached the surface of the sand it overflows and fills vessel ...
Стр. 40
... solution , a lactone C21H4002 was ob- tained . The origin of such a lactone is easily ex- plicable on the theory that alpha tocopherol contains a chromane ring ; if alpha tocopherol contained a coumarane ring , a beta hydroxy acid would ...
... solution , a lactone C21H4002 was ob- tained . The origin of such a lactone is easily ex- plicable on the theory that alpha tocopherol contains a chromane ring ; if alpha tocopherol contained a coumarane ring , a beta hydroxy acid would ...
Стр. 412
... solution used in the bubbler is 1 / 2,500 normal solution of strontium hydroxide . This solution is con- veniently standardized against 1/50 normal sulfuric acid ( 0.55 cc of conc . sulfuric acid ( sp . gr . 1.84 ) in one liter of solution ) ...
... solution used in the bubbler is 1 / 2,500 normal solution of strontium hydroxide . This solution is con- veniently standardized against 1/50 normal sulfuric acid ( 0.55 cc of conc . sulfuric acid ( sp . gr . 1.84 ) in one liter of solution ) ...
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CARR W H Raymond H Torrey 419 | 13 |
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