查询词典 surface in contact

Therefore, the torque required to open the gate valve required torque than the closure of large, in addition, for a pair of contact between the sealing surface, the Non Rising Stem Resilient Seated Gate Valves coefficient of static friction between them than the dynamic friction coefficient, to make them from the static state generate the relative movement is required to exert greater force to overcome the static friction; due to temperature changes, so that the sealing surface pressure between the larger, need to overcome the static friction force also will be bigger, so that when you open the valve on the stem nut on the sometimes increase the torque exerted a lot.

所以，开启闸阀所需的力矩比关闭闸阀所需的力矩大，此外，对于一对互相接触的密封面来说，它们之间的静摩擦系数也比动摩擦系数大，要使它们从静止状态产生相对运动，需施加较大的力以克服静摩擦力；由于温度变化，使密封面间的压力变大，需要克服的静摩擦力也随之变大，从而使开启闸阀时，对阀杆螺母上施加的力矩有时会增大很多。" Moment analysis of valve operation "是由中国闸阀网提供的国际阀门新闻，译文仅供参考。另外，中国闸阀网还提供相关产品搜索：闸阀型号、闸阀价格、闸阀技术、闸阀新闻、闸阀生产商等。

In operation, the screw cylindrical surface and the pump cylinder wall formed between the layer of oil film to prevent direct contact between the metal, so that screw tooth surface wear significantly reduced.

在运行中，螺杆外圆表面和泵缸内壁之间形成的一层油膜，可防止金属之间的直接接触，使螺杆齿面的磨损大大减少。

The contact has a contacting portion which is formed on the principal surface and elastically displaceable in a direction intersecting the principal surface.

触点具有接触部分(15b)，所述接触部分(15b)被形成在主表面上并在与主表面相交的方向上弹性可移动。

In order to study initial stress and ring force transfer between steel plates and concrete in the numerical analysis of RC beam strengthened by bonding steel plates,8 scale-down models of RC beam were manufactured,their loaded whole processes were analyzed by using surface-surface contact analysis method and "birth and death" element method,and a numerical analysis method of strengthening RC beam with initial stress was proposed.

0引言钢板加固钢筋混凝土结构已在国内外受到广泛应用和研究，并且已获得了大量的研究成果，但成果主要来源于室内模型试验。由于受到试验规模的制约，目前所取得的研究成果，特别是试验成果还带有较大的片面性，不能系统地反应其真实的自然规律[1-3]。

The next part of the water ring coincided with the inner surface of the impeller wheel Tangent, water ring coincides with the inner surface of the upper leaves of the top contact (in fact the leaves in the water ring must have the insertion depth).

水环的下部分内表面恰好与叶轮轮毂相切，水环的上部内表面刚好与叶片顶端接触（实际上叶片在水环内有一定的插入深度）。

A circle shear device for cutting holes in sheet metal as in claim 1 wherein: a said upper center shaft includes a first platform member disposed rotatably connected adjacent a lower end of said upper center shaft for supporting a top surface of said provided metal sheet; b said lower center shaft includes a second platform member disposed rotatably connected adjacent an upper end of said lower center shaft for supporting a bottom surface of said provided metal sheet; and c said upper and lower support platform members engaging top and bottom surfaces of said provided metal sheet to prevent metal sheet movement when said cutter wheels are brought into shearing contact with said provided metal sheet.

一个圈剪切装置切割孔金属板材作为权利要求1 ，其中： A ）表示，上中心轴，包括第一次会员平台弃置rotatably连接相邻较低月底上说，中心轴为支持一个顶面的表示，提供金属板材； B ）表示，较低的中心轴，包括第二个平台会员弃置rotatably连接相邻上月底表示，较低的中心轴为支持一个底部表面的说，提供金属板材； C ）表示，上，下支撑平台成员从事顶部和底部表面的表示，提供金属板，以防止金属板运动时说，刀车轮被带入剪切接触说，提供金属板材。

In order to investigate the formation and damage of surface films ,electrical contact resistance method was used to monitor the formation of surface films in reciprocating lubricated cylinder bore/piston ring pairs.

为了研究摩擦副中表面膜的形成和损伤状态，用接触电阻法对润滑条件下往复运动的缸套/活塞环摩擦副进行了试验研究，提出了可揭示表面膜状态的表征方法，并成功观测到了磨粒对表面膜的损伤及恢复过程。

The favorable conditions for petroleum accumulation due to volcanic activity and igneous rocks formed during the activity show in two aspects. A The contact surface of igneous rocks and the surrounding sedimentary rocks, like a vertical unconformity surface, formed the conduit of petroleum migration.Petroleum would accumulate once it encountered a trap in which the reservoir had fine porosity and permeability. B It formed a trap barriered by igneous rocks, or changed or cut the original trap.

火山活动以及由此形成的火成岩体对油气聚集的有利条件主要体现在两个方面：一是沿火成岩与围岩的接触面构成油气运移的通道，火成岩与围岩接触，似一直立的不整合面，与孔渗性好的岩层组合不仅能使油气运移而且遇有圈闭油气还会聚集成藏；二是构成火山岩遮挡的圈闭，或是对原有圈闭进行改造、分割。

Wire resistive touch screen technology, the grass-roots to the voltage field in both directions through the precision resistor networks are added to the work of conductive glass surface, we can simply be understood as the voltage field in both directions of staggered working hours added to the same work surface, The outer layer of Ni-Au conductive layer is only just be used as a pure conductor, there are time-test, after touching the inner ITO contact point X-axis and Y-axis voltage value method measured touch point position.

五线电阻技术触摸屏的基层把两个方向的电压场通过精密电阻网络都加在玻璃的导电工作面上，我们可以简单的理解为两个方向的电压场分时工作加在同一工作面上，而外层镍金导电层只仅仅用来当作纯导电体，有触摸后分时检测内层ITO接触点X轴和Y轴电压值的方法测得触摸点的位置。

Wire resistive touch screen technology, the grass-roots to the voltage field in both directions through the precision resistor networks are added to the work of conductive glass surface, we can simply be understood as the voltage field in both directions of staggered working hours added to the same work surface, The outer layer of Ni-Au conductive layer is only just used as a pure conductor, there are time-test, after touching the inner ITO contact point X-axis and Y-axis voltage value method measured touch point position.

五线电阻技术触摸屏的基层把两个方向的电压场通过精密电阻网络都加在玻璃的导电工作面上，我们可以简单的理解为两个方向的电压场分时工作加在同一工作面上，而外层镍金导电层只仅仅用来当作纯导体，有触摸后分时检测内层ITO接触点X轴和Y轴电压值的方法测得触摸点的位置。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。