接触表面

Are product contact surfaces of equipment and utensils cleaned and sanitized on schedule using adequate methods ?

与产品接触的设备和器具表面是否获得定期清洗消毒？方法是否正确？

As it is, we have hardly scratched the surface, because of lack of funding.

从实际情况看，我们仅仅接触到问题表面的皮毛，因为没有足够的研究经费。

ABSTRACT The scuffing mechanism of sliding lubricated line contacts has been analyzed theoretically and studied experimantally in this paper.

本文从理论分析与实验验证两方面研究了线接触金属摩擦副的表面胶合失效机理。

ABSTRACT The scuffing mechanism of sliding lubricated line contacts has been analyzed theoretically and studied experimantally in this pape...

本文从理论分析与实验验证两方面研究了线接触金属摩擦副的表面胶合失效机理。

Bearing surfaces of column connections at baseplates and column splices shall be square and in full contact with each other.

位于支撑板上的柱连接轴承表面和柱式接头应该为正方形，并且彼此要充分接触。

Its surface has a bluish tinge and the metal is soft enough to be cut with a knife, but it tarnishes in air.

它表面泛蓝光，非常柔软，可以用小刀切割，但是接触空气后其光泽感消失。

Below 300 300 to 1200 Ordinary Portland or Portland blastfurnace Ordinary Portland or Portland blastfurnace Sulphate resisting Supersulphated Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated with adequate protective coating High alumina Minimum cement content (kg m-3) Type of cement Maximum size of aggregate 37.5 240 290 240 270 290 290 330 330 330 330 19.0 280 330 280 310 330 330 370 340 370 370 9.5 330 380 330 360 380 380 420 410 420 420 0.55 0.50 0.55 0.50 0.50 0.45 0.45 0.40 0.45 0.35 Maximum water-cement ratio 0.5 to 1.0 1.0 to 2.0 1200 to 2500 2500 to 5000 Over 2.0 Over 5000 Wear

这些气 穴通常由具有格外高能量的水蒸气所填充，与混凝土表面的反复接触导致形成凹陷和孔洞，即气蚀。既然高质混凝土也不能抵抗这种劣化，因此最好的补救是通过制造平滑水流来消除气蚀。在所有必须的地方，关键的面上衬以高抗气蚀性的材料。通常，混凝土抗腐蚀和磨损的能力随强度增加而提高。采用硬韧的集料可改善混凝土的抗磨损性。

The stress intensity factors of surface crack with various inclined angle subjected to normal and shear contact loadings are obtained.

文中算例分析了不同倾角的表面裂纹在法向和切向接触载荷作用下，裂纹尖端的应力强度因子。

First increased the built-up welding internal mixer special-purpose flinty antifriction metal in Gao Moqu, and in plates the 0.20mm thick hard chromium level with the sizing material contact active face, compared to domestic other company product coating accumulation one time, thus the service life obtains the big extension.

首先在高磨区增加了堆焊密炼机专用硬质耐磨合金，并在与胶料接触的工作表面均镀0.20mm厚硬铬层，比国内其他公司产品镀层增厚一倍，从而使用寿命得到大大延长。

Metal Body lining valve: body shape metal, interior where the main point of contact with the media are lining the surface, such as rubber lined valves, plastic valves lining, lining ceramic valve.

3金属阀体衬里阀门：阀体外形为金属，内部凡与介质接触的主要表面均为衬里，如衬胶阀、衬塑料阀、衬陶阀等。

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。