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- The active element Ti can react with Al_2O_3 ceramics and form reaction layer which can join ceramics and metal. 活性元素Ti能够与陶瓷发生反应，形成反应层实现陶瓷和金属的连接，初步探索陶瓷与金属活性连接的机理为：活性元素Ti在钎焊温度下与Ag_(72)Cu_(28)钎料形成液态活性合金，与界面处陶瓷发生化学反应，实现陶瓷和金属的连接。
- Objective: To study the composition, microstructure and microhardness change of the surface reaction layer of titanium cast with three investments. 摘要目的：检测不同体系包埋料铸出的钛铸件表面反应层组成、显微结构及硬度变化。
- The formation of a reaction layer between refractory material and liguid steel enhances deposition,in particular if the refractory contains reducible components,e.g. 耐火材料和钢水间反应层的形成,尤其是当耐火材料中含二氧化硅可还原组分,则加速沉积。
- Scanning electron microscope and energy dispersive spectrum (EDS) was used to measure the thickness of the reaction layer and to determine the Zr,Fe and Cr concentration penetrate profile of reaction layer, respectively. 用扫描电镜观测反应层宽度,用能谱仪(EDS)测定了反应层Zr、Fe和Cr沿扩散方向的浓度分布,研究了反应层的生长动力学。
- The microstructure and thermal physical properties of the surface reactional layer determine the range of strength improvement. 材料表面反应物层的微观形貌及热物理性能决定了材料抗弯强度的提高幅度。
- diffusion-dissolution reaction layer 扩散溶解反应层
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- Study on Surface Reaction Layer of Titanium Cast with Three Type Investments 对3种包埋料铸出的钛铸件表面反应层的研究
- A sharp reaction; a repercussion. 强烈反应后果，影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The reaction of the audience was instantaneous. 观众即刻有了反应。
- What was his reaction to the plan? 他对这个计划有什么反应?
- The medicine produced a violent reaction. 这药物引起了剧烈的反应。
- My reaction will be to partake in the speech competition. 我的看法倒是要参加这次演说比赛。
- What was his reaction to the news? 他对这消息的反应如何？
