1) extreme pressure property
极压性
1.
The modified metal type detergent dispersants were prepared by partial neutralization of overbased substrates with sulfur/phosphorus containing carboxylic acids for improving the antioxidation performance and antiwear extreme pressure property.
结果表明功能化处理提高了金属清净剂抗氧化和极压性能，但未对分散和抗磨性能产生显著影响。
2) extreme pressure
极压性
1.
A four-ball machine was used to evaluate the extreme pressure and antiwear (EP&AW) properties of molybdenum dialkyldithiophosphate (MoDDP) in 150N paraffinic base oil and two formulated oils, SJ15W/40 and SH15W/40, and its antiwear synergistic effect with zinc dialkyldithiophosphate (ZnDDP) was investigated.
0％时在150SN石蜡基基础油配制的成品油中具有优异的抗磨性能;在低添加量下MoDDP与ZnDDP具有较好的抗磨协同效应,但在高添加量下没有表现出明显的抗磨协同性,而且在极压性能上没有产生协同效应。
2.
The anti wear (AW) and extreme pressure (EP) properties of lubricant oil added with Al,Sn and Al+Sn nanoparticles were tested by four ball method.
其作用机理是锡粉在低载荷阶段沉积到摩擦表面起到抗磨剂作用 ,铝粉在高载荷阶段沉积到摩擦表面起到极压剂作用 ,从而实现了在低载荷到高载荷范围内对润滑油抗磨极压性能的提高。
3) EP property
极压性
1.
The results showed that active sulphid make a great improvement in EP property, chlorinated paraffin and sulfur-chlorinated fatty oil have a little function,but ester has .
用法莱克斯(Falex)试验机,研究不同浓度PRIOLUBE2044三羟甲基丙烷单酸酯、P51NR氯化石蜡、BASE L66硫氯化脂肪、RC2540二烃基五硫化物对乳化切削液极压性能的影响。
4) extreme pressure
极压性能
1.
The results indicated that ovcrbased calcium petroleum sulfonates containing calcite formed thicker calcium carbonate film on rubbing surface than that containing amorphous calcium carbonate, which was a main reason that the former had better extreme pressure performance than latter.
本文采用X-射线光电子能谱(XPS)仪,对FALEX试验后的摩擦表面进行分析测试,结果表明, 方解石型高碱石油磺酸钙能在摩擦表面形成较厚的含碳酸钙保护膜,无定形型高碱石油磺酸钙在摩擦表面形成较薄的含碳酸钙保护膜,这是二者极压性能差别较大的主要原因。
5) extreme pressure property
极压性能
1.
Emulsion liquid has higher P b value than emulsion oil,and emulsion concentration has little influence on extreme pressure property in the range of concentration of 20g/L～100g/L.
对含有不同极压剂、不同极压剂浓度和不同类型（如阳离子、非离子等）的轧制乳化液进行了极压性能的研究；探讨了含硫乳化液在极压状态单分子反应层生成的速率，乳化液比乳化油有较高的Ｐｂ极压值；在２０ｇ／Ｌ～１００ｇ／Ｌ范围，乳化液浓度对极压性能影响甚微。
2.
Based on the friction tests, effects of the oil - soluble rare earth additive on extreme pressure property of the oil carboxylic - acid copper additive and zinc dialkyldithiophosphate (T202) have been analysed.
通过磨擦试验,研究了稀土添加剂对油溶性羧酸铜与二烷基二硫代磷酸锌(T202)极压性能的影响,结果表明:油溶性羧酸铜对T202的极压性能有显著影响,T202与较高剂量铜剂复合后最大无卡咬负荷明显降低;稀土添加剂与铜剂、T202以适当比例复合,有利于极压性能提高。
6) anti-extreme pressure
抗极压性
1.
The characteritics of Imported lubricant additives were testedIt was shown that the anti-extreme pressure of LM AWNT and Powerup additives were good
本文对几种进口润滑油添加剂的性能进行了测试，结果表明ＬＭＡＷＮＴ和ｐｏｗｅｒｕｐ牌号的添加剂抗极压性能优良。
补充资料：极压润滑剂极压润滑
分子式：
CAS号：
性质： 具有防止滑动面破坏的各种润滑剂称为极压润滑剂。极压润滑剂一般都含有极压添加剂。极压齿轮油、极压润滑脂、切削油、轧钢油等都含有极压润滑剂。这种润滑剂用于处在重载(或高接触应力)、高速、高温下滑动摩擦表面的润滑称为极压润滑。极压润滑通常是通过极压添加剂与金属表面生成极压膜将两摩擦表面隔开，以降低摩擦系数、减缓磨损，达到润滑的目的。
CAS号：
性质： 具有防止滑动面破坏的各种润滑剂称为极压润滑剂。极压润滑剂一般都含有极压添加剂。极压齿轮油、极压润滑脂、切削油、轧钢油等都含有极压润滑剂。这种润滑剂用于处在重载(或高接触应力)、高速、高温下滑动摩擦表面的润滑称为极压润滑。极压润滑通常是通过极压添加剂与金属表面生成极压膜将两摩擦表面隔开，以降低摩擦系数、减缓磨损，达到润滑的目的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条