The experiment and calculating example show when concentration of polymer solution increases angleoflag of valve ball opening increases and pump admission coefficient drops.
试验和计算实例表明，随着聚合物浓度的增加，阀球开启滞后角度增大，泵充满系数降低。
2
Local strain concentration in angle-ply lay caused by transverse crack of circular lay in composite pressure vessel was studied by means of advanced shear-lag method.
Look from the Angleof the business per se, there is low the product structure beyond reason, the operating management level, the technique equipage lag, the product quality bad etc. subject.