查询词典 leaching

The chemical phase and optical micrography analysis showed that the leaching of copper oxide could be finished soon, chalcocite and bornite could be diges.

化学物相和光学显微图像分析表明，氧化铜的浸出很快就可完成，辉铜矿和斑铜矿也以较快的速度降解为蓝辉铜矿和铜蓝，而铜蓝的浸出反应比较缓

The most important use of bumping is increasing the leaching speed evidently, which can save much time.

2抽滤最显著的作用是能够大大提高淋滤作用的速度，缩短淋滤时间。

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

These systems are fed by water and nutrients leaching from the surrounding catchment area.

这些系统靠从附近排水区沥滤的水和营养物生存。

Cerium oxide, which covers one half of REO in leaching liquid,are extracted.

工艺充分考虑了包头混合稀土矿酸、碱法工艺的优缺点，并首先提取了市场急需、矿中约占一半的氧化铈。

F, and the bio-leaching results of the low grade chalcopyrite were re ported in this paper.

f菌对低品位黄铜矿的生物浸出研究结果。

An investigation is made of the catalyzing behavior of silver ions in bacterial leaching of chalcopyrite.

对银离子催化细菌浸出黄铜矿进行了研究。

The results show that under the conditions of pulp density 5%, inoculum 10%,pH 2.0,the leaching rate of Cu in low-grade chalcopyrite is optimal.

由试验结果可知，在矿浆浓度5%、细菌接种量10%、pH=2.0时，可以得到最佳的铜浸出率。

The effects of the surfactants on bioleaching of chalcopyrite were evaluated by measuring the leaching rate of copper and the density of bacteria cells in solution.

通过对浸矿溶液中铜的浸出率以及细菌浓度的测定来评价表面活性剂对氧化亚铁嗜酸硫杆菌浸出效果的影响。

Level B of the original soil in the middle due to incomplete leaching of base to form a deposition layer, calcium carbonate accumulation become so obvious that Chernozem.

平B原中部因土壤中盐基淋洗不完全，形成淀积层，碳酸钙积聚明显，成为黑钙土。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。