hard gas circuit breaker

Analysis on the self_produced and out_connected 3 0 of microprocessor_based protection at B phase earthing on secondary side of PT;

PT二次侧B相接地时微机保护自产和外接3_0的剖析

In order to solve the shortage of raw material in JiuQuan Steel' s shaft furnace,the effects of home-made concentrate on JiuQuan Steel's pellet furnace have been studied systematically.

为解决酒钢竖炉球团生产用原料紧张问题,在实验室系统研究了配加自产精矿后对酒钢竖炉球团的影响。

This paper discussed the effects of the structure change between self producing ore and purchasing ore on profit set up the related quantity profit math model between self producing ore and purchasing ore.

对黄金企业自产矿与外购矿的结构变化对利润的影响进行了讨论 ,建立了自产矿、外购矿产量—利润关系数学模型 ,当自产矿产量发生变化时 ,为保证目标利润的完成 ,利用数学模型计算出外购矿产量 ,便于企业及时对生产进行调整和安排。

In the process of an owner-state changing into a tax-state, two new factors arise: the group of taxpayers and the need to establish the modern democratic institutions.

在自产国家向税收国家转变的过程中,两个新的要素会随之出现:纳税人群体和建立现代民主制度的需求。