表面硬化

The experiments showed that, the surface microstructure is plate martensite, and the subsurface microstructure is cryptocrystalline martensite. the transition zone contains mixed martensite, troostite and part of the nonmelting ferrite.

实验表明：改性层微观组织由表层至基体依次为：表面熔凝区为片状马氏体；均匀相变硬化区为隐晶马氏体；过渡区为混合马氏体、屈氏体和部分未熔的铁素体。

The surface of the bedways is supersonic frequency hardened.

在导轨表面的超音速频率硬化。

"Carburize:To treat, combine, or impregnate with carbon, as when casehardening steel ."

使渗碳，碳化：使与碳一起处理，使与碳混合或使充满碳，如将钢的表面粹火硬化。

To date, Ashford Formula has been specified and used to densify, seal and harden over 2 1/2 billion square feet (2,500,000,000) of industrial concrete surfaces, an area equivalent to a 3-foot wide concrete band circling the earth 6 times.

迄今为止，A/F被指定用于固化、密封和硬化工业混凝土表面超过2.5亿平方英尺，相当于一块3英尺宽的混凝土样快绕地球6圈。

Dentiform surface hardness and of requirements in the following table, different heat treatment process of coating thickness determines hardness of roofing is a valid parameter for the corrugating roll.

齿形表面硬度和硬化层深度的要求如下表，不同热处理工艺下完成的镀层厚度决定了瓦楞的硬度，是瓦楞辊的有效参数。

Radiologically, it is characterized by close approximation and contact of adjacent spinous processes, resultant enlargement, flattening and reactive sclerosis of apposing interspinous surfaces.

放射学表现为邻近的棘突极度接近，反应性肥大，并列的棘突间表面变扁及反应性硬化。

Abstract］ Objective To research the related factors' impact on elderly retirees with nonalcoholic fatty liver,study and improve the method of elderly retirees' nonalcohol fatty liver.

作者： 田玉玲，王何兰，郝香蕊，张嫣嫣年龄；脂肪肝；高血压；高血脂；高血糖；肥胖超重；主动脉硬化；乙肝表面。。。

Cases of parosteal osteosarcoma on tibia showed bony tumor, which basilar part accreted surface of bone on X-ray, and vicinity cortical bone hyperplasia and harden, soft tissue mass with focal or cauliflower-like high density tumor bone in it. A lucent zone between the cortex and tumor bone was noticed in 1 case.

发生在胫骨的3例病例中X线表现为基底部附着于骨表面的骨性肿块，邻近骨皮质增生硬化，软组织内可见团状和菜花状不规则高密度瘤骨，其中1例与骨皮质关系密切病例可见到骨皮质与肿瘤骨之间有一透亮带。

The forged disc has an integral Stellite hardfaced seat and guide surface.

锻造阀瓣具有整体钨铬钴合金硬化阀座和导轨表面。

The main achievments are as follows: Through failure analysis, it has been confirmed that the wear of cold working die made of Cr12 steel was resulted from the ununiform distribution of large M〓C〓 carbides in a relatively soft matrix of Cr12 steel.

研究工作的目的是用激光处理技术（激光相变硬化、熔凝和合金化处理）提高钢铁材料的表面的硬度和耐磨性，同时，研究激光处理的组织结构与性能的关。。。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。