The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 488
... important ever since . In the 20th century , much concern has been caused by what appears to be a disproportionate loss of professionally and technically skilled people to the United States . Similarly , many thousands of Ontarians have ...
... important ever since . In the 20th century , much concern has been caused by what appears to be a disproportionate loss of professionally and technically skilled people to the United States . Similarly , many thousands of Ontarians have ...
Page 866
... important barbiturates . These include pheno- barbital , R ' = ethyl , R2 = phenyl , and secobarbital ( known by the trade name Seconal ) , R1 = 1 - methylbutyl , R2 = al- lyl . These derivatives are made by a similar process with ...
... important barbiturates . These include pheno- barbital , R ' = ethyl , R2 = phenyl , and secobarbital ( known by the trade name Seconal ) , R1 = 1 - methylbutyl , R2 = al- lyl . These derivatives are made by a similar process with ...
Page 1069
... important one - of mixed solvents . Amphoteric solvents . The most important nonaqueous solvents of this class are the lower alcohols methanol and ethanol . They resemble water in their acid - base properties but , because of their ...
... important one - of mixed solvents . Amphoteric solvents . The most important nonaqueous solvents of this class are the lower alcohols methanol and ethanol . They resemble water in their acid - base properties but , because of their ...
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