例句與造句

1. The article developed the self - compensation repairing lubrication additives which endowed with new function to old lubrication oils according to the theory of self - compensation repairing theory by aided financially from china nature science fund ( ratification number : 59975039 ) . the first , the article studied the tribological effect of several kinds of lubrication additives by single - phase , two - phase and three - phase mixture by four - ball machine . the article studied the effect of the mixture ratio and the additive concentration on tribological effect - antifriction , wear - resisting and bearing capacity
   論文首先以四球法，對新合成的幾種潤滑添加劑的單相和雙相、三相復(fù)配后的摩擦學(xué)特性進(jìn)行了較系統(tǒng)地研究，研究了復(fù)配比例和添加量等對其摩擦學(xué)性能?減摩、耐磨、承載性能的影響，在此基礎(chǔ)上優(yōu)選了es12和esm122兩種潤滑添加劑，對其進(jìn)行了較系統(tǒng)的磨損自補(bǔ)償修復(fù)效應(yīng)及其摩擦學(xué)效應(yīng)研究和對四種成品潤滑油的適應(yīng)性研究，并對摩擦表面的自補(bǔ)償膜進(jìn)行了紅外光譜分析。
2. It's difficult to find additive concentration in a sentence. 用additive concentration造句挺難的