试验结果表明,和布克赛尔钠基膨润土改性后有较好的酸催化活性。
水土流失和化肥的施用使得坡耕地土壤发生了酸化,随土层的加深而酸化加重。
由水杨酸和硫酸二乙酯经碱性下取代、酸化制得了邻乙氧基苯甲酸。
海水吸收更少的声音是由于矿物燃料燃烧产出的二氧化碳渗漏到海洋中并酸化了海洋。
最近在苏格兰高地加洛韦和威尔士进行的研究显示,很多溪流仍然高度酸化。
结果表明,酸化过程由ABR反应器前端向后端逐渐推进。
模拟酸雨及其酸化土壤对小麦幼苗体内可溶性糖和含氮量的影响
已经酸化的废水,乙酸转化为甲烷的场所主要在颗粒污泥的外表面;
模拟酸雨及其酸化土壤对小麦幼苗膜脂过氧化水平的影响
大气酸化和实验酸化的北方湖泊中石生藻类群落的复原能力
模拟酸雨及其酸化土壤对小麦幼苗生物量和某生理活动的影响
生物酸化污泥回用在批式运行的污泥生物淋滤工艺中的效果
1·"Waters off Alaska are sort of preconditioned to become more acidified," says Mathis, a University of Alaska, Fairbanks, oceanographer.
海洋学家马修斯说“阿拉斯加外海的海水就是某种程度上的更加酸化是注定的。”
2·If farmers were required to restore the farms with their acidified, compacted soil so that the mangrove ecosystem could thrive again, shrimp farming wouldn't be worthwhile.
重建红树林生态系统的繁荣需要农民们修复已酸化、密实的土壤,那么虾厂就一文不值了。
3·The optimal conditions for extracting pigment from green wheat bran with acidified alcohol were studied.
以绿粒小麦麸皮为原料进行色素的酸化乙醇法提取。
4·The effects of the treatment show that the best effect is achieved by pillared acidified bentonite, whose COD removal efficiency is more than 80% and chroma removal efficiency is more than 95%.
处理效果最佳的是柱撑酸化膨润土,其对染料废水COD的去除率可达80%以上, 色度去除率可达95%以上。
5·Lateritic red soil and yellow soil were more evidently acidified than red soil and yellow brown soil.
其中又以赤红壤和黄壤的酸化比红壤和黄棕壤明显。