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1)  gradient freeze method
凝固温度梯度法
2)  gradient freeze method
梯度凝固法
3)  VGF
垂直梯度凝固法
1.
Semi-insulating(SI)GaAs single crystals with low dislocation density are grown by the vertical gradient freezing(VGF)method.
垂直梯度凝固法(VGF)生长的低位错半绝缘(SI)GaAs单晶存在电阻率和迁移率低、电学补偿度小、均匀性差等问题。
4)  solidification temperature
凝固温度
1.
Solidification Temperature of Concasting Mold Fluxes;
连铸结晶器保护渣的凝固温度
2.
The results show that with increasing amounts of added TiO2, the viscosity and solidification temperature (θs) of the MF decrease gradually, and then increase rapidly.
研究表明:随着TiO2加入量的增加,MF的黏度和凝固温度(θs)先逐渐减小而后迅速增大。
3.
The results showed that the viscosity of mold fluxes could be decreased by TiO2,except that perovskite was precipitated that could increase viscosity and solidification temperature.
研究表明,TiO2可以降低连铸保护渣的粘度,但随着钙钛矿的析出,会增加凝固温度和粘度。
5)  temperature gradient method
温度梯度法
1.
Tabular gem-grade diamond crystal synthesized with temperature gradient method at HPHT;
高温高压温度梯度法合成板状宝石级金刚石单晶
2.
When growing large diamond crystals by temperature gradient method under high temperature and high pressure,if all the diffused carbon source from higher temperature region cannot be absorbed by the seed crystals,the different present forms of superfluous carbon source,regrown graphite or diamond nuclei,would have great effects on the growth process of large diamond crystals.
温度梯度法生长宝石级金刚石单晶过程中,当籽晶无法完全吸收由高温端扩散下来的碳源时,多余碳源的不同析出形式(再结晶石墨或者自发核)对晶体生长速度有明显的影响。
3.
Large synthetic diamond was grown by temperature gradient method(TGM) under HPHT.
用高温高压温度梯度法作为实验手段来生长优质宝石级金刚石单晶。
6)  temperature gradient technique
温度梯度法
1.
(001) γ-LiAlO_2 plates grown by temperature gradient technique (TGT) have been annealed in Li-rich and O_2 atmosphere at 1100 /70 h.
研究了温度梯度法生长的γ-LiAlO2晶体在1100℃下富Li气氛和空气中退火处理后的表面形貌、表面结构以及吸收光谱。
2.
Transparent and integrate calcium fluoride crystals, 75mm in diameter, were grown by temperature gradient technique (TGT) .
用温度梯度法成功生长了直径75mm、完整、透明的氟化钙晶体,对晶体进行了TG-DTA测试分析,确定了其熔点为1413。
3.
The growth of LiGaO 2 by temperature gradient technique (TGT) is reported.
以温度梯度法生长LiGaO2 晶体 ,通过形貌观察、X射线衍射分析和X射线光电子能谱分析确认在样品的中部形成了单一相的LiGaO2 晶体。
补充资料:梯度
分子式:
CAS号:

性质:设体系中某处的物理参数(如温度、速度、浓度等)为w,在与其垂直距离的dy处该参数为w+dw,则称为该物理参数的梯度,也即该物理参数的变化率。如果参数为速度、浓度或温度,则分别称为速度梯度、浓度梯度或温度梯度。

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