Its lubrication properties in water were evaluated using a four-ball machine.
利用四球试验机考察了水溶性抗磨剂在水中的润滑性能。
In addition, the tribological properties of nanocrystalline Pb powders were tested with a four-ball machine.
另外，在四球试验机上考察了铅纳米晶的摩擦学性能。
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。
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 tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.
通过四球试验，考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性。
The tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.
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。
The tribological properties and the anti-wear of micron copper powder in greases are investigated by four-ball test.
通过四球试验 ，考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性。
The tribological properties and the anti-wear of micron copper powder in greases are investigated by four-ball test.
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。
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；
The tribological behaviors of the synthetic benzotriazole derivatives as additives in liquid paraffin were evaluated with a four-ball machine.
利用四球试验机考察了其在液体石蜡中的最大无卡咬负荷值。
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。
Four-ball wear test indicated, the borate ester and ZDDP additive are antiwear synergistic, which is much useful in developing low-phosphorus engine oils.
四球长磨实验还表明，该硼酸酯添加剂与ZDDP类添加剂具有优秀的抗磨协同作用，这对研制低磷发动机油具有重要的意义。
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。
On the basis of these investigations, a new water - soluble antiwear additive was developed by modifying oil-soluble ZDTP. The four-ball tests showed that the wear sca...
并在这些研究的基础上通过对二烷基二硫代磷酸锌(ZDTP)进行水溶性改性合成，开发了一种高水基介质，其四球机抗磨试验磨斑直径仅为当前国内外高水基介质的一半。
On the basis of these investigations, a new water - soluble antiwear additive was developed by modifying oil-soluble ZDTP. The four-ball tests showed that the wear scar diam...
并在这些研究的基础上通过对二烷基二硫代磷酸锌(ZDTP)进行水溶性改性合成，开发了一种高水基介质，其四球机抗磨试验磨斑直径仅为当前国内外高水基介质的一半。
On the basis of these investigations, a new water - soluble antiwear additive was developed by modifying oil-soluble ZDTP. The four-ball tests showed that the wear scar diameter with th...
并在这些研究的基础上通过对二烷基二硫代磷酸锌(ZDTP)进行水溶性改性合成，开发了一种高水基介质，其四球机抗磨试验磨斑直径仅为当前国内外高水基介质的一半。
Tribological properties of aluminum borate nanoparticles as additives in aqueous solution were measured by four-ball tribotester, and the worn surfaces of the steel ball were analyzed by SEM.
结果表明：硼酸铝纳米微粒作为水基添加剂能显著提高纯水的承载能力和抗磨减摩性能。
The four-ball machine test showed that the suspension possessed good extreme pressure performance and common antiwear performance; and had no effect on the friction coefficient by the MTM test.
四球试验结果表明，该悬浮液具有较好的极压性能，抗磨性能一般，MTM试验显示该悬浮液对摩擦系数影响不大。
The Manchester United midfielder anchored in front of the back four, with Alan Ball, Bobby Charlton and Martin Peters all given licence to push on and join the front two.
曼联中场坐镇在四名后卫的前面，鲍尔、查尔顿和彼得斯都被允许向前冲，冲到两名前锋身边。
Last summer, two teams of four players each battled for control of a small, red and white soccer ball in Washington, d.c..
去年夏天，有两支四人制的足球队在华盛顿特区进行比赛，他们所踢的足球是一种很小的红色和白色相间的球。
The project had identified 247 pit houses, 27 pit rooms, 866 pits, 11 small canals, a ball court, and portions of four adobe walled compounds.
它包括247个坑屋（pit houses）、27个窖房（pitrooms），866个维修点（pits），11条小运河，1个球型场地（ballcourt），四个砖墙。
So his advice is to pull the plant out of the container, then cut the bottom half of the root ball into four parts.
所以，他建议将植物从容器中取出来，将底下一半的球状根系切成四部分。
You'll need a collar and a four - or six-foot lead to match the size of the dog. Also bring a tennis ball, a plush toy, and liver or chicken treats.
带一个项圈和一根四到六英尺的牵狗绳去选狗，同时也可以带上一个网球、一个玩具和一些狗食。
As is vividly depicted in the cartoon, four children are playing a "football match" and the "ball" is their old and infirm father.
如卡通画的生动描绘，四个孩子在进行一场“足球比赛”，所谓的“足球”是他们年老体弱的父亲。
Corbett says what happened was unforgivable but that the NCAA has no authority to ban the school from four years worth of ball games and erase 112 wins from the record books.
科比特表示，发生的事情是不可原谅的，但是全美大学生体育协会没有权力禁止学校四年不能进行球类运动，并清除掉记录簿中112场的胜利记录。
From a vantage point outside our home, a revealing perspective has shown us the planet for what it really is; a ball of living star dust, a four-and-one-billion year old miracle.
从地球以外的有利地位来看，地球是一个有生命的、虚无缥缈的球体，一个有着50亿年生命的奇迹。
The point guard dribbled the ball up the court. He stood above the top of the key, about twenty-four feet from the opposing team's basket.
得分后卫带球过半场，将球控制在罚球区顶部距对方篮筐约24英尺处，然后正是启动本队演练了几百次的战术。
The ball can store up to twenty-four hours' worth of power.
该球可以储存长达24小时使用的电力。
The ball can store up to twenty-four hours' worth of power.
该球可以储存长达24小时使用的电力。
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