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，可以推斷：我國西南地區酸性降水可能對儅地土壤生態存在著潛在的危害。
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.
結果表明，雖然土壤對酸性降水的致酸作用具有一定的緩沖性能，但酸性降水仍能在短期內導致土壤潛在酸增加；
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.
大豆分離蛋白的堿浸提酸沉澱工藝，目前普遍存在蛋白質廻收率低，分離蛋白成品得率低，純度低的問題。