浸出指的是用化学溶剂从固体中提取可溶物质的过程，又称浸取。浸出用的化学溶剂称为浸出剂;浸出后所得的溶液称为浸出液，剩余的固体叫残渣。浸出 效果用浸出率表示，即固体中可溶性物质溶入浸出液中的百分率。湿法冶金中浸出的固体是矿石、精矿、焙砂或冰铜、烟尘、阳极泥等冶金中间产品。工业上 常用的浸出剂是水、酸、碱及盐水溶液。低品位原料的浸出要消耗大量溶剂，浸 出剂必须价廉并能经济地再生。
②The pH value of the leaching agent is main factor affecting the leaching toxicity of EMR.
②浸取剂的酸碱性是影响电解锰渣浸出毒性的主要因素。
参考来源 - 电解锰渣及其复合胶凝材料的环境特性研究Realizing high efficient leaching of low-grade copper oxide ores by adopting XLD agitating cell for the first time.
首次采用XLD型搅拌槽,实现了低品位氧化铜矿的高效浸出。
参考来源 - 汤丹难处理氧化铜矿高效利用新技术及产业化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
使瓶装水远离热源，过热会促进化学品浸出。
Keep bottled water away from heat, which promotes leaching of chemicals.
近几年，有些研究表明，它们能浸出一些有雌激素的作用的化合物。
In recent years, there have been several studies showing that PET can leach some kind of compound that seems to have estrogenic activity - that seems to act like an estrogen.
我们不知道那是什么，也不知道浸出是否已经达到危害人类健康的量。
We don't know what that compound is. We don't know whether it's being leached in sufficient quantities to have any impact on human health.
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