Specimens prepared by polishing and etching in a weak solution of nitric acid and alcohol reveal the lamellar structure of alternating plates that forms on slow cooling.

通过打磨并在弱硝酸酒精溶液中蚀刻制备的样本显示出由缓慢冷却形成的交互层状的薄片结构。

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Dab it with a solution of weak acid.

在那上面擦点弱酸溶液。

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The acid solution has a strong ability to dissolve source rock. No matter original solution is acid or basic, the reaction finally tends to be weak basic.

酸性溶液对烃源岩的溶解能力最强，无论原始反应溶液的酸碱性，反应结果都最终趋于弱碱性。

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Working with his students, Butz twice soaked the samples in a weak solution of hydrochloric acid to remove any contemporary soot stains.

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