润滑

Its basic context is about the problem of friction, abrasion and lubrication.

它的基本内容是研究工程表面的摩擦、磨损和润滑问题。

With unique silicone protective film, it can clean glass, protect glass surface layer from acid mist and steam, meantime, prevent drip because of temperature difference, indeed make glass free of spot. The effect shall be better for auto glass, it can availably clean dirt, while taking effect as "lubricating protective film" to reduce friction between rain blows and glass, so protect their service life, leave your visual field brighter.

本品独特的硅酮保护成膜，不但能将玻璃洗干净，更起到保护玻璃表层，不会受到酸雾水气的腐蚀，更能起到防止因温差而出现雾珠，真正使玻璃"无彩无瑕"，如汽车玻璃用效果更佳，不但能有效地清洗玻璃上的尘埃污垢，更能起到以"润滑保护膜"的作用减轻雨刮与玻璃的摩擦力，从而保护两者的使用寿命，使您的视野更明亮。

The principle and method for determining the total acid number of oil product by voltammetric techniques was described,the results of voltammetric techniques and standard method analysis were compared.

介绍了用伏安法测定石油产品总酸值的原理、方法，并将伏安法测定润滑油酸值的结果与标准方法测定结果进行了比较。

In the wash solution, these positively charged cationics adsorb to the negatively charged surface of fabrics.

在溶液中，这些带正电的阳离子吸附在表面带负离子的织物上，起到润滑作用。

Due to rotation characteristics of spindle and definite parameterized structure of aerostatics lubricated bearing ,mass-spring structural method equivalent to aerostatics bearing system was introduced and system main coordinates and inherent frequency were obtained by establishing dual movement equation.

针对气体静压主轴的运动特性和气体静压润滑轴承的参数结构，提出了采用质量-弹簧结构方法来等效气体静压轴颈轴承系统，并建立了系统二自由度运动方程，最终确定了系统的主坐标系和固有频率。

Whether the role of lubrication in the air hole forming contraction in place of the contact surface on the same region was found.

有无润滑作用的成形在空孔收缩代替接触面区域上同样被发现。

Mist is a compressed air-driven device, the lubricant spray into a mist, and mixed in the compressed air so that the compressed air has the ability to lubricate pneumatic components.

油雾器是以压缩空气为动力，将润滑油喷射成雾状，并混合于压缩空气中，使该压缩空气具有润滑气动元件的能力。

Discussed its bearing structure design and the reasonable choice of bearing's tolerance and fit,windage, lubrication and airproof .

对其支承结构的设计和轴承的公差配合、轴承的游隙以及润滑与密封等方面的合理选择进行了论述。

A model of coupling piston dynamic behavior to Cylinder-Piston-System lubrication is presented and its numerical simulation is performed in two conditions of fluid lubrication and mixed lubrication of rough surfaces through OCAM.

2建立了缸套-活塞润滑与活塞动力学行为的耦合分析模型，用顺序耦合法进行了完全流体动力润滑和考虑微凸体接触两种情况下的耦合数值仿真分析。

The analysis model of coupling crank bearing lubrication to system dynamical behavior is established in PRCS, and its numerical simulation is completed through OCAM.

考虑润滑在多体系统动力学行为中的作用，建立了活塞-连杆-曲轴系统的系统动力学行为与曲轴主轴承油膜动力润滑的耦合分析模型，并进行了数值仿真分析。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。