During this stage, the pH value of the ore-fluids was slowly changed into medium-acidic properties. As a result, gold transported as colloid or the complex of chloride.
此阶段，环境从中碱性缓慢过渡到中酸性，金以胶体或氯化物络合物形式迁移。
A new type of carbon electrode using colloid-pitch as complex binder was made. It's main physical properties were measured and analyzed.
本文用凝胶—沥青复合粘结剂研制成一种新型少烟害炭素电极，并对其主要物理性能作了测试分析。
A new type of carbon electrode using colloid-pitch as complex binder was made. It's main physical properties were measured and analyzed.
本文用凝胶—沥青复合粘结剂研制成一种新型少烟害炭素电极，并对其主要物理性能作了测试分析。
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