ball test

基本解释

This article investigated the adaptability of all kinds of detergent in different base oil through plate and four ball testing.
本文利用成焦板、四球机试验考察了各清净剂在中间基和加氢基础油中的感受性。
The effect of several sulfureted fatty additives and phosphorus type additives P120 on the compatibility were investigated with four ball testing machine using the rapeseed oil as base oil.
以精制菜子油为基础油，在四球摩擦磨损实验机上考察了几种硫化脂肪添加剂和磷系添加剂P1 2 0的复配性。
The tribological performance and the synergetic effect of the complex system of nanoparticles copper (nano-Cu) and ammonium thiophsphonate (T307) were studied by using four-ball testing machine.
利用四球试验机研究了润滑油纳米铜添加剂与硫代磷酸复酯胺盐复配体系的摩擦学性能。

The new testing policies will undoubtedly catch a ball player of distinction abusing human growth hormone or synthetic testosterone.
FORBES: Collaboration and Collegiality are Two Hallmarks of MLB's Modified Drug Testing Program
Unfortunately, just like Adam and Eve, ball players will still be tempted by the forbidden fruit even with a comprehensive drug testing program firmly in place.
FORBES: Collaboration and Collegiality are Two Hallmarks of MLB's Modified Drug Testing Program