zone of leaching

Based on the hydrogeological conditions of the mine, the author divided the dissolved zone of the gypsum deposit into leaching zone, leaching-hydrating zone and hydrating zone.

笔者以矿区水文地质条件为基础，将石膏矿的溶蚀带划分为淋滤带、溶滤水化带和水化带；

The favorable entrapment zone of the coal-bearing strata is mainly distributed in the deeply-buried area with thick source rock, coarse facies belt and fresh water leaching area below the unconformity.

煤系地层有利储集带主要分布于烃源岩厚度大的深埋藏区、粗相带区及不整合面以下的淡水淋滤区。

The leaching loss rate of gold in oxidation zone, its surface indicative cut-off grade, indicative average grade and enrichment factor for two typical deposits were calculated by using the formula derived.

按此公式计算出两个典型矿床氧化带金的淋失率、地表指示性边界品位、指示性平均品位以及半氧化一次生富集带金的富集率。

A new technology for preparing rich titanium product, which includes microwave reduction-mineral separation-microwave leaching, was put forward on the basis of the abundant situation of titanium mineral resource in Panzhihua-Xichang zone and the advantages and disadvantages of actual productive methods on making rich titanium product.

针对攀西地区丰富的钛资源现状和现行富钛料生产工艺优缺点，提出了微波加热还原钛精矿复合球团选矿分离微波浸出制取高品质富钛料的新工艺路线。

The results show that the zone in the zone has the characteristics of an evident humic property, intense leaching and acid reaction;

研究结果表明：此带土壤腐殖质特性明显，淋溶强烈，呈酸性；