ScienceJohn Michels (Journalist) 1933 |
From inside the book
Results 1-3 of 79
Page 312
... material was purified and identified by melting - point , mixed melting - point and optical properties . The fourth substance , C22H2404 , sometimes crystal- lized in small amounts from the alkaline methanolic solutions upon standing ...
... material was purified and identified by melting - point , mixed melting - point and optical properties . The fourth substance , C22H2404 , sometimes crystal- lized in small amounts from the alkaline methanolic solutions upon standing ...
Page 398
... material , to that same degree we refine our analytical methods and the delicacy of our tests . The methods of " microchemistry " have now been added to those of ordinary or " macro " chemistry . The usual modern analytical balance ...
... material , to that same degree we refine our analytical methods and the delicacy of our tests . The methods of " microchemistry " have now been added to those of ordinary or " macro " chemistry . The usual modern analytical balance ...
Page 431
... MATERIAL IN AERATED WATER In a recent issue , 1 McCutcheon described an appa- ratus for circulating and aerating material . The pur- pose of this note is to describe an arrangement that has been found particularly useful for difficult ...
... MATERIAL IN AERATED WATER In a recent issue , 1 McCutcheon described an appa- ratus for circulating and aerating material . The pur- pose of this note is to describe an arrangement that has been found particularly useful for difficult ...
Other editions - View all
Common terms and phrases
Academy acid adrenal adrenal insufficiency Agriculture American Association animals annual apparatus Atlantic City atoms awarded biological blood Botanical cells cent Century of Progress chairman chemical chemistry chromosphere City College Columbia University committee Cornell University cosmic rays Council density director discussion disease effect electric energy engineering experimental experiments fessor field galactose genetics Geological given Grand Central Terminal Harvard Harvard University heat held increase industry Institute investigation John Jour laboratory lecture material mathematics Medical Medicine meeting ment method Museum National nature Observatory observed obtained organization papers physics physiological plants poliomyelitis possible present president pressure problems produced Professor reaction recent relativistic thermodynamics reported School SCIENCE FRIDAY scientific secretary Section serum session showed Sigma Xi sity Smithsonian Institution Building Society stars symposium temperature theory thermodynamics tion Univer versity vice-president virus volume Washington William York