依据化学动力学原理和内扩散理论，研制成功了无脆性快速气体渗氮新工艺。
According to chemical dynamics principle and internal diffusion theory, a no-brittle fast nitriding method has been developed.
工作空间是由一绝缘高密度玻璃棉英寸外柜，和内饰是腐蚀性，耐渗铝钢制成。
Work space is insulated from the outer cabinet with one inch of high density mineral wool, and interiors are made of corrosive-resistant aluminized steel.
同时，共渗在空心滚子内表面造成的压应力对改善弯曲疲劳性能有利。
Meantime, the compressive stress in inner surface of hollow roller by nitrocarburizing is available for improvement of bend fatigue property.
碳氮共渗工艺选择不当，共渗层过深，表面出现壳状碳氮化合物、内氧化等缺陷组织是造成其断裂的主要原因。
The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
可在较宽的温度范围内对该钢进行脉冲直流等离子渗氮，获得表面硬度高于基底5 ~6倍的渗氮层。
The microhardness of nitriding layers obtained in a wide range of treatment temperature is 5 ~ 6 times higher than that of the substrate.
在渗层含碳量为1.08 ~ 1.45%的范围内，耐磨性随含碳量的增加而提高。
When the carbon content in carburized layer ranges from1.08% to 1.45%, the wearability increases with carbon content.
依据化学动力学原理和内扩散理论，研制成功了无脆性快速气体渗氮新工艺。
And according to chemical dynamics principle and internal diffusion theory, the non brittle rapid nitriding is developed.
对渗铝层的显微组织、内氧化层的硬度分布及显微组织进行了初步分析。
The microstructure of aluminized layer, hardness distribution and microstructure of internal oxidation layer were investigated.
WC颗粒在铸渗层内的体积百分含量为30％左右。
The total volume percent of WC was about 30% in the cast-infiltration layer.
对西安市区域内雨水下渗和贮存、实现雨水资源化及其利用等方面做了探索，并根据实际情况对西安市雨水资源化的必要性、可能性及可持续性进行了分析。
The writer probes into permeation and storage of rainwater, and its further utilization as a resource, and also analyses the necessity, possibility and sustainability of it in Xian city.
试验结果表明，渗层疏松主要是由于盐浴内CNO-浓度过高所致；
The result shows that the porosity of nitrided layer is due to the over concentration of CNO- in the salt bath.
用渗铝-内氧化技术对纯铜进行了表面弥散硬化处理。
The al concentration distribution in aluminized layer, microstructure and some properties of surface hardening layer were studied.
改变炉压可迅速排除炉膛内氧、水蒸气等有害气体，可加速渗碳、渗氮过程。
By altering the furnace pressure rapidly, baneful gases, such as oxygen and vapour, could be eliminated from the chamber. Therefore, cementite and nitriding processes are accelerated.
研究区域内储层埋藏深、压实强烈，属于典型的低孔低渗储层。
In the studied area, the reservoirs, which buried deeply with strong compactness, belong to typical low porosity and low permeability reservoirs.
采用往设备基础内注满水，以单位时间内的渗失水指标，作为质量检验和质量判断方法之一，已经相当普遍。
Water seepage loss index per unit time is now widely accepted as a quality test and appraisal method.
渗铬层内不同区域的形成机理有较大差别。
The forming mechanism is different in the fusion layer, brazing layer and heat agglomerating layer.
含硼钢渗碳和碳氮共渗时，由于硼与氮及碳之间的相互作用，硼在整个渗层范围内发生明显的再分布。
The B is obviously redistributed in B steel within the whole carbonized and carbonitrided case because of the interaction between B with N and C during carbonizing and carbonitriding.
CVI（ 化学气相浸渗）反应器内气体的输运对基体的沉积速度与沉积质量有重要的影响。
The effect of fluid flow in the CVI reactors on the deposition velocity and quality is of great importance.
目前国内许多尾矿坝的初始坝本身不透水且无排渗设施，因而整个尾矿坝体浸润线很高，坝内大部分尾矿砂处于饱和状态。
Many initial tailings DAMS are impervious in China, then, the seepage line is very high, and most sands are saturated in tailings pond.
原料气和渗余气在壳程内流动，而管程内为渗透气。
The feed and nonpermeate outlet gas are on the "shell" side, and the permeate gas is on the "tube" side.
原料气和渗余气在壳程内流动，而管程内为渗透气。
The feed and nonpermeate outlet gas are on the "shell" side, and the permeate gas is on the "tube" side.
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