The engine oil specifications of ILSAC GF-4 (implemented 2004) and GF-5 (expected 2010) have in common three important O......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The engine oil specifications of ILSAC GF-4 (implemented 2004) and GF-5 (expected 2010) have in common three important O......

Global economic and pollution concerns are having a major impact on how modern engine oils are being formulated. Modern ......

The tribological behaviors of the nano-diamond particles including the nano-diamond and the nano-diamond modified were s......

The oil-soluble cadmium dipropyldithiophosphate additive was synthesized. A four-ball tester was used to evaluate the tr......