渗碳

In this paper,the effect of factors such as fly ash,slag,water-reducing admixture and paste state of sur-face of concrete structure on impermeability and carbonation resistance of fair-faced concrete was analyzed using raw mate-rials applied in different construction section of Nanjing Changjiang River 3 Bridges.

本文以南京长江三桥不同标段清水混凝土为原材料，研究了粉煤灰、矿渣、减水剂、结构表面的浆体状况等对清水混凝土抗渗、抗碳化等耐久性的影响。

Concrete and other hydraulic cylinder used new technology and new technologies, using concrete cylinder block IF processing technology, using carbon and nitrogen sulfur fuel tank rod permeation technology, the service life of the fuel tank and concrete cylinder life greatly increased.

另外液压油缸和砼缸采用新工艺和新技术，砼缸缸体采用中频处理技术，油缸活塞杆采用碳氮硫共渗技术，使油缸使用寿命和砼缸使用寿命大大增加。

The mechanism of the ion N-C component permeation is discussed in the end of this article.

对氮气-甲烷离子氮碳共渗的机理进行了初步分析讨论。

The sewage purification system with soil aquifer treatment process can effectively remove carbonous , nitrogenous and phosphorous pollutants , and the purification mechanisms are also well understood .

土壤渗滤污水净化系统对碳，氮，磷都具有较强的净化效果，且净化机理也基本明确，但对其运行控制的研究比较少。

It is possible to carburize any steel containing less than the 0.70%~1.20% carbon that is produced in the surface material.

它是可能的渗碳钢，任何含有少于0.70 ％ 1.20 ％碳是产生于表面的材料。

Some steels with different carbon contents were aluminized by melting process.

用不同碳含量的钢进行熔融法热浸渗铝。

Keywords: Forest soil;Dissolved organic carbon;Percolating water;Adsorption; Soil nutrients

中文关键词：森林土壤；溶解有机碳；渗滤水；吸附；土壤养分

The electrical conductivity and percolation thresholds of realigned carbon nanotubes composites have been simulated based on Effective-Medium Theory.

基于有效介质理论(Effective-Medium Theory， EMA)模拟计算了碳纳米管(Carbon Nanotubes， CNTs)定向排列的CNTs复合材料的电导率及其渗流阈值。

For recoverying alkali, alumina and water from alkali waste water containing alumina, a process including dealuminium and electrodialysis is adopted.

采用碳分脱铝-电渗析工艺处理含铝废碱水，从中回收铝、碱及水资源。在脱盐性能考察完成后，研究该体系的浓缩性能。

Improved to the careless use of Silicone Grease, Silicone Grease result is usually improved by adding carbon (such as pencil refillable powder) and the metal powder, when the conductive Silicone Grease with the ability to run on the computer to the CPU when the permeability surface slot of the capacitance and lead to disastrous consequences.

改良的硅脂更要小心使用，因改良的硅脂通常是以加入碳粉和金属粉末，这时的硅脂有了导电的能力，在电脑运行时渗到 CPU 表面的电容上和插槽后果不堪设想。

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。