Let it suffice h ere to state that Rutherford assumes that the greater mass of the atom consis ts o f negatively charged particles rotating about a positive nucle us. 李贝.西洋科学史.
Miscellane ous Hi story of Common Exp erimen ts which have not grown into an Art. 李贝.西洋科学史.
Only one indication need be given of the practical resul ts that flowed from Aristotle's scientific work. 李贝.西洋科学史.
Aristotle advised investigators to make sure of the fac ts before seeking the explanation of the facts. 李贝.西洋科学史.
And there was a great crowding and dislocation of goods at the dép?ts because there was insufficient road transport. 赫伯特·乔治·威尔斯.世界史纲.
In this manner was the Ts'in Dynasty established. 赫伯特·乔治·威尔斯.世界史纲.
In the mean time Davy had been chosen superintendent of the Pneumatic Institution at Bristol by Dr. Beddoes, ts founder. 李贝.西洋科学史.
Racemic acid, however, which is identical with tartaric acid in i ts chemical constituents, is optically inactive, rotating the plane of polarized light n either to the right nor the left. 李贝.西洋科学史.