The method and the step of reduction of river water, well water, reservoir water and interbasin water diversion are explained, The examination measures of reduction result rationality is put forward.
文中详细地阐述了取河水、井水、水库水、跨流域引（排）水等不同情况进行还原的具体方法步骤，并对水量还原成果提出合理性检查措施。
Based on electric contrd design of mew mode reduction furnace, this paper explained PCLbasic program programing method and step by step programming method.
本文通过对新型燃气还原炉电气控制设计，阐述了PCL基本顺序指令编程方法和步进状态编程方法，证明了微机应用于能耗设备上的节能可能性及必要性。
Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method.
用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。
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