1) crystallization activation energy
析晶活化能
1.
Based on heating rate and the peak crystallization temperatures from the DTA curves,three different methods were used to calculate crystallization activation energy of glass-ceramic samples.
以不同的升温速率对样品进行差热分析,根据升温速率和差热分析曲线上的晶化峰温度,采用3种不同的方法计算微晶玻璃样品的析晶活化能。
2.
The crystallization activation energy (E) was also calculated by Ozawa and Kissinger methods.
同时,通过Ozawa和Kissinger方法计算出系统中α-堇青石的析晶活化能E。
3.
The sintering activation energy and crystallization activation energy were determined by DTA and contracting rate of sintering characterization.
本文运用DTA、烧结收缩率分别测定了CaOAl2O3-SiO2系统微晶玻璃的烧结活化能及析晶活化能,研究了 这两者的变化趋势。
2) activation energy
晶化激活能
1.
The experimental results show that the crystallization temperature( T p) and activation energy ( E c) of the crystalline phases ( α Fe and Sm 2Fe 17 C x ) can be decreased going through pre annealing, the trend of activation energy change of α Fe phase can be changed in the crystallization process, which is helpful to formati.
结果表明 ,预退火处理使非晶合金晶化相α Fe和Sm2 Fe17Cx 的晶化温度 (Tp)和晶化表观激活能(Ec)值降低 ,且改变晶化相α Fe在晶化过程中晶化激活能的变化趋势 ,有助于该合金在晶化退火中形成晶粒尺寸较小的α Fe相。
2.
The activation energy of glass transition,crystallization and peak crystallization are 390.
2kJ/mol、晶化激活能Ex为325。
3) crystallization activation energy
晶化激活能
1.
The crystallization activation energy has been calculated by DTA and Kissinger equation.
非晶态合金Fe78Si9B1 3样品经短时超短脉冲电流处理 ,发生了结构弛豫 ,用DTA方法及Kissinger方程计算非晶样品的晶化激活能 ,用穆斯堡尔谱学方法研究了试样在电脉冲处理后的无反冲分数的变化 。
2.
The apparent crystallization activation energy E, is calculated to be 471.
采用Kissinger和Doylle-Ozawa方法计算了表观晶化激活能E_a,分别为471。
3.
The crystallization activation energy calculated by the onset crystallization temperatures decreases obviously.
Nb使由初始晶化温度计算的晶化激活能明显降低。
4) activation energy of crystallization
晶化激活能
1.
Crystallization kinetics of Mg_(65)Cu_(25)Y_(10)amorphous alloy is studied by differential thermal analysis(DTA); activation energy of crystallization is calculated according to Kissinger peak-shifting method and Arrhenius equation.
通过差热分析仪(DTA)研究了非晶态合金M g65Cu25Y10的晶化动力学过程,根据K iss inger峰移法和A rrhe-n ius方程计算了其晶化激活能,发现等温晶化动力学在晶化体积转变分数x为0。
5) crystallization activation energy
结晶活化能
1.
TPEE can act as an excellent crystallization rate promoter, by which the crystallization rate is quickened,crystallization induction period is shortened and crystallization activation energy is decreased.
结果表明，随着ＴＰＥＥ添加量的增加，ＰＥＴ共混物的结晶诱导期缩短，总结晶速度加快，结晶活化能减小；证明ＴＰＥＥ是ＰＥＴ良好的结晶促进
2.
The crystallization activation energy of PA6/POE/clay nanocomposite was smaller than that of pure PA6.
在相同降温速率下,PA6/POE/黏土纳米复合材料在更高的温度下结晶;PA6和PA6/POE/黏土纳米复合材料中晶体呈三维生长,降温速率的增加和有机黏土的加入会使体系结晶速率增加;PA6/POE/黏土纳米复合材料的结晶活化能低于PA6。
6) Activation energy for crystallization
晶化激活能
1.
Knowledge of the microstructure,such as average atom distance and the scale of short range order,and the values of activation energy for crystallization at each characteristic temperature were obtained.
利用Ｘ射线衍射（ＸＲＤ）及热分析（ＤＴＡ）技术，研究了脉冲化学镀与化学镀非晶态Ｎｉ－Ｐ合金的原子分布函数及晶化过程，得出了两种非晶态合金的微观结构信息（平均原子间距，相应配位原子数和短程有序畴）及各特征温度的晶化激活能。
补充资料：标准活化自由能
分子式：
CAS号：
性质：也称标准活化自由能，即活化吉布斯自由能(Gibbs free energy)。化学动力学理论参量。活化络合物理论中，由反应物形成活化络合物过程的标准吉布斯自由能的改变量。符号ΔG≠，单位kJ/mol。
CAS号：
性质：也称标准活化自由能，即活化吉布斯自由能(Gibbs free energy)。化学动力学理论参量。活化络合物理论中，由反应物形成活化络合物过程的标准吉布斯自由能的改变量。符号ΔG≠，单位kJ/mol。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条