Their Aw property added in water is investigated and the proportion for the compound phosphate ester is optimized by means of four - ball tester.
利用四球试验机考察了添加到水溶液中的抗磨性能，并优化了复合磷酸酯的配比。
Authors reequiped a Four - ball Tester as for contact fatigue tester and carried out a series of tests to study the effect of additives on 45 steel contact fatigue.
作者将四球机改装成接触疲劳试验机，并在其上进行了一系列添加剂对接触疲劳的影响试验研究。
Their antiwear and extreme pressure properties in rapeseed oil and water were tested on the four-ball tester.
通过四球试验机考察了它们在菜籽油和水中的抗磨性能与极压性能。
The self - repair performance of micron copper in grease is evaluated with four - ball tester.
通过四球试验评价了微米铜在润滑脂中的自修复作用。
The effect of the alkyl carbon structure of Cadmium Dialkyldithiophosphate additive on its EP and antiwear properties is investigated by four-ball tester.
利用四球试验机考察了烷基结构对硫磷酸镉添加剂的极压抗磨性能的影响。
Their anti-wear and extreme pressure properties in rapeseed base oil and mineral base oil were tested on the four-ball tester.
通过四球试验机考察了它们在菜籽油和矿物油中的抗磨性能与极压性能；
Typical samples were tested and characterized by four-ball tester, optical microscope, XRD and SEM observation.
采用四球试验机、光学显微镜、XRD、SEM等分析手段进行了测试与表征。
The self - repair performance of micron copper in grease is evaluated with four - ball tester.
通过四球试验，考察了微米铜粉在润滑脂中的摩擦学行为和抗磨性。
It raises an objection against ASTM D 4172 precision value and equipment requirement, and adopts an attitude of negating to constantly import four-ball wear tester.
本文对ASTMD 4172精密度值和时设备的要求提供了异议。对继续引进磨损四球机持否定态度。
It raises an objection against ASTM D 4172 precision value and equipment requirement, and adopts an attitude of negating to constantly import four-ball wear tester.
本文对ASTMD 4172精密度值和时设备的要求提供了异议。对继续引进磨损四球机持否定态度。
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