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1)  heat diffusion treatment
热扩散处理
1.
The effect of heat diffusion treatment on wear-resistant properties of the electroplated hard chromium coat were studied.
研究了热扩散处理工艺对电镀硬铬层耐磨性的影响。
2)  diffusion heat treatment
扩散热处理
1.
According to Thailand sapphire sample s diffusion layer thickness which was measured actually and the process of the sapphire diffusion heat treatment,the diffusion coefficient D_ Fe and D_ Ti of the Fe 2+ and Ti 4+ ions that bring out the color in sapphire was computed.
根据实际测定扩散蓝宝石样品中的扩散层厚度和热处理工艺条件 ,计算了Fe2 + ,Ti4+ 致色离子在蓝宝石中的扩散系数 ,分析了Fe2 + ,Ti4+ 离子扩散系数DFe和DTi的影响因素 ,论述了致色离子的扩散系数在蓝宝石扩散热处理改色过程中的重要作用 。
3)  vacuum diffusion treatment
真空扩散热处理
4)  oxygen-diffusion heat treatment
氧扩散热处理
1.
Measured and analyzed were the volt-ampere characteristics of SrTiO3 varistor based on oxygen-diffusion heat treatment.
伏安特性测量和分析表明,随热处理温度增高,空气中氧扩散热处理SrTiO3压敏电阻的界面电子势垒高度和压敏电压不断增大,而非线性系数则开始增大随后反而减小。
5)  diffusion treatment
扩散处理
1.
The effect of diffusion treatment parameters on microstructures and stress-rupture properties of wide-gap brazed joints of cast superalloy K403 using self-developed brazing filler metal with FGH95 filler powder addition into the gap was studied.
研究采用自制钎料加入FGH95高温合金粉末的K403铸造高温合金大间隙钎焊后扩散处理参数对接头组织和持久性能的影响。
2.
Properties of thermally instable "yellow" and "orange" colour centres are compared with characteristic features of thermally stable "orange" colour centres which are produced by high temperature heat treatment or by beryllium diffusion treatment.
总结了未处理、热处理和Be扩散处理的黄色—红色蓝宝石的颜色及其成因。
3.
The diffusion coefficients of Fe2+ and Ti4+ and their influence on the process of diffusion treatment of sapphire are discussed.
论述蓝宝石中Fe2+和Ti4+离子的扩散系数及其对扩散处理改色工艺的影响。
6)  beryllium diffusion treatment
铍扩散处理
1.
The beryllium diffusion treatment experiments are taken by using the mechanism of diffusion and the replace of similar category,choosing the flame-fusion grown colourless sapphires and the natural sapphires from Shandong Province,under the certain temperature with the addition of appropriate amount BeO or metal Be powder and other preparation.
铍扩散处理是一种较新的刚玉处理方法,目前在国内还未见相关的实验研究报道。
补充资料:热扩散发
分子式:
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性质:分离气体或液体混合物的一种特别方法。具有两种温度差别很大的区域(或设备)内,含有不同分子量的气体或液体混合物,由于热对流的作用,不同分子量的分子有不同程度的扩散效应,因此一类分子倾向于顺着热流动方向聚集在较冷区域,另一类分子倾向于聚集在较热区域。将富集的气体取出,即达到部分分离的目的。热扩散法可用于同位素的分离,如从六氟化铀中分离铀的同位素。

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