n.（酸）酐；脱水物

The compound is an acid anhydride, which means it has lost water from the corresponding acid.
该化合物是酸酐，即它失去了对应酸中的水分子。
Sodium sulfate anhydrous is often used as a drying agent in chemical laboratories.
无水硫酸钠常在化学实验室中用作干燥剂。
The reaction between sulfuric acid and acetic anhydride produces vinegar.
硫酸与醋酸酐反应生成醋。
Lead dioxide is an anhydride of lead acid, which plays a crucial role in battery chemistry.
二氧化铅是铅酸的酸酐，在电池化学中起着关键作用。
Ammonium nitrate is an anhydrous salt that can absorb moisture from the air.
硝酸铵是一种无水盐，能从空气中吸收水分。
Phosphoric anhydride is a vital intermediate in the production of phosphate fertilizers.
磷酸酐是生产磷酸肥料的重要中间体。
Carbon dioxide gas can be synthesized from the thermal decomposition of calcium carbonate anhydride.
二氧化碳气体可以通过碳酸钙无水盐的热分解合成。
Copper(II) oxide anhydride is a common catalyst for certain organic reactions.
无水氧化铜(Ⅱ) 是某些有机反应的常见催化剂。
When heated, silica gel changes color, indicating that it has absorbed moisture and is no longer anhydrous.
当加热时，硅胶会变色，表明其已吸湿，不再是无水状态。
Inorganic anhydrides like calcium chloride are used to de-ice roads during winter.
无机酸酐如氯化钙在冬季被用来清除道路结冰。