Alkalis

例句:

• In the following year Davy reported other chemical changes produced by electricity; he had succeeded in decomposing the fixed alkalis and disc overing the elements potassium and sodium. 李贝. 西洋科学史.
• Davy showed, however, that this element is a constituent of many alkalis. 李贝. 西洋科学史.
• No doubt what gave special zest to his study of the alkalis was the hope of overthrowing the doctrine of French chemists that oxygen was the e ssential element of every acid. 李贝. 西洋科学史.

编辑:鲁弗斯