Application of accuracy analysis for annulus centrifugal flowmeter;
环式离心流量计的应用误差分析
The loop power networks are often used in power supply system in coal mines,which have two running modes: the first is that one circuit of the networks accepts the power and another circuit will be in backup condition;the second is that the whole networks will be in closing condition and accept the power from two directions.
煤矿供电系统多采用环式电网,其运行方式有两种:第一种运行方式为负荷从环式电网某一侧回路受电,另一侧回路处于备用状态;第二种运行方式为整个环网闭合,负荷从两个方向受电。
Design and operation of disc and doughnut type gas heat exchanger with big-orifice baffles and wavy pipes;
大孔板波形管碟环式换热器的设计与运行
Therefore, based on the differences among the borehole deviation angles and trajectory, screening and production tests were carried out for conventional pumps, deviated well pumps, reinforced ring pumps and electrical submersible pumps to determine the adaptation of different types of pumps in Hainan-3 fault block.
为此,针对油井井斜角度和井深轨迹的不同,先后进行了普通泵、斜井泵、环式泵、潜油电泵等的优选及抽油生产试验,以确定不同泵型在海南3断块区的适应性。
Finite element analysis of stiffness of connection between steel beam and CFT column with stiffener ring plate;
加强环式钢管混凝土节点梁柱连接刚度的有限元分析