研究了制备晶体石硫合剂的实验方法和最佳条件。
The experimental method and the optimal process conditions for the production of crystal calcium polysulfide is studied.
冬季进行农业防治，包括清除、烧毁病枝落叶、施用石硫合剂。
Conducting agricultural control in winter, i. e. clearing away and burning diseased branches and leaves, applying Lime sulphur one times.
研究结果表明：采用石硫合剂法处理该矿石可获得较好的浸出指标。
It showed from the study that a better leaching index can be achieved by adopting this process to treat such kind gold ores.
针对高压改性石硫合剂提金新工艺的要求，研究了基于IPC的现场参数的自动控制系统。
To satisfy the demand of new technique of high pressure nontoxic gold leaching the automatic control system of field parameters based on IPC is investigated.
针对高压改性石硫合剂提金新工艺的要求，研究了基于IPC的现场参数的自动控制系统。
To satisfy the demand of new technique of high pressure nontoxic gold leaching the automatic control system of field parameters based on IPC is investigated.
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