The paper introduces the research on RHJ asphalt emulsifiers cations.介绍了RHJ型阳离子沥青乳化剂的研究过程.The experiment results showed the two boracic surfactant can be used as emulsifiers and antiwear additive.用四球试验机试验了这两种含硼表面活性剂的油膜强度...
Sincere felicitation on your completing the postgraduate course and receiving the doctorate of science.衷心祝贺你修完研究生课程并获得理学博士学位.He’s completed his doctorate on Victorian sexuality.他完成了有关维多利亚时代性行为的博士论文。She's studying fo...
It is possible to harness the versatile chemical properties of cyanogen azide.氰化叠氮的灵活多变的化学性质是可控制的.The reaction mechanism of cyanate ester monomer synthesized by a " cyanogen halide - phenol method " is discussed.分析了 “ 卤化...
俱乐部专门为高尔夫学员制作录像，以纠正他们的错误。The club specialises in videoing its student golfers to correct their faults.那段录像里是7分钟极尽夸张搞笑的闹剧表演。The video was seven minutes of high camp and melodrama.我们看过了该事件的录像。We have viewed the video recor...