...me) 分子式(Molecular formula) 吸水才能(Moisture absorption capacity) 枯燥速度(Drying speed) 酸碱性(Acidity and alkaline) 再生体例(Regenerative way) 1 硫酸钙 CaSO4 小 快 中性 在163℃（脱水温度）下脱水再生 2 氧化钡 BaO - 慢 碱性 不克不及再生 ...
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The plants and animals that have evolved over time to thrive in slightly alkaline surface waters-their pH is around 8.3-are now having to adapt to a 30% increase in the acidity of their surroundings.
在漫长的进化过程中，海洋动植物已经习惯了海面的弱碱性——PH值大约为8.3，但现在它们不得不去适应所处环境酸度30%的下降。
The paper studies sand consolidation act of alkaline silicic acid gel and discusses the mechanism of alkaline silicic acid gel used for sand control and contrasts with acidity silicic acid gel.
文中对碱性硅酸凝胶作为固砂剂进行了研究，探讨了碱性硅酸凝胶作固砂剂的机理，并与酸性硅酸凝胶固砂剂对比。
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