Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3751Chemical news office., 1932 |
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Strona 150
... groups per CH , O. Benzylation is a progressive re- action and therefore differs from acetylation , where the tri - ester is first prepared and is then partially hydrolysed to produce the acetone - soluble acetate , which is employed ...
... groups per CH , O. Benzylation is a progressive re- action and therefore differs from acetylation , where the tri - ester is first prepared and is then partially hydrolysed to produce the acetone - soluble acetate , which is employed ...
Strona 155
... group represented by minute siliceous skeletons , of which more than two thousand species have been de- scribed by naturalists . In some of these the skeleton resembles a minute spiked helmet with three curved lappets or straps below ...
... group represented by minute siliceous skeletons , of which more than two thousand species have been de- scribed by naturalists . In some of these the skeleton resembles a minute spiked helmet with three curved lappets or straps below ...
Strona 159
... Group . Burlington House , Piccadilly , W.1 . , at 8 p.m. Discussion on " Science and Food , " to be opened by Dr. L. H. Lampitt . TUESDAY , MARCH 8 . MANCHESTER UNIVERSITY CHEMICAL SOc- IETY . University , Manchester , at 5 p.m. " Some ...
... Group . Burlington House , Piccadilly , W.1 . , at 8 p.m. Discussion on " Science and Food , " to be opened by Dr. L. H. Lampitt . TUESDAY , MARCH 8 . MANCHESTER UNIVERSITY CHEMICAL SOc- IETY . University , Manchester , at 5 p.m. " Some ...
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