Most lakes are drying up because of the lake, mine can be seen everywhere Jingying white salt crystals, salt body under the sun sparkling like empty eyes Cold Night Moonlight, named.
因湖大部分是干涸的湖底,触目皆是银白晶莹的盐结晶体,阳光下盐体闪闪发光酷似寒夜睛空的月光,故名。
Treatments of special problems for the opencut mine are suggested, such as drying up of the aquifer, boundary movement and prediction of residual head.
模型针对露天矿特有的问题如含水层疏干、边界移动以及剩余水头预测提出了相应的处理方法。
Using zinc oxide mine as a raw material, activated zinc oxide can be produced by ammonia leaching, getting rid of impurity, depositing zinc, drying and calcining.
以锌焙砂为原料,经氨浸,除杂,沉锌,干燥,煅烧等工序制取了活性氧化锌。
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