acid precipitation

基本解释

Hence, it may be seen that the acid precipitation in southwest China is a potential problem to the local eco-environment.
因此，可以推断：我国西南地区酸性降水可能对当地土壤生态存在着潜在的危害。
The results indicated that the leaching of acid rain led to increasing of latent acid of soil in short time though amortizing of soil to acid precipitation.
结果表明，虽然土壤对酸性降水的致酸作用具有一定的缓冲性能，但酸性降水仍能在短期内导致土壤潜在酸增加；
The major problems such as lower recovery ratio of protein, lower yield and purity of finished products existed in the process of isolating soy protein by alkali extraction and acid precipitation.
大豆分离蛋白的碱浸提酸沉淀工艺，目前普遍存在蛋白质回收率低，分离蛋白成品得率低，纯度低的问题。