Phase constitution and solidification characteristics of undercooled Ag-Cu-Ge ternary eutectic alloy;
三元共晶合金的快速凝固规律研究是材料科学领域的重要课题。
The detection wavelength, sample preparation and the optimization of mobile phase constitution were discussed.
讨论了检测波长的选择和样品的制备，优化了流动相的组成。
The effects of experiment parameters on the phase constitution and the structure morphologies of the coating was studied.
对涂层的组织形貌和相组成进行分析，并研究了实验工艺对涂层结构的影响。
The phase constitution, thermal stability, and the pore structure were characterized by means of XRD, DTA-TGA, IR, BET etc.
应用XRD、DTA-TGA、IR、BET等测试手段对复合膜的物相组成、热稳定性、孔结构进行表征。
The microstructure and phase constitution of the coat and the boundary between coat and substrate were studied with SEM, EDX and X-ray analysis techniques.
利用扫描电镜、能谱仪、X射线衍射等法对熔 覆合金层、合金 层与 钢基体的结合界面等进行了显微组织及相结构的分析。
The effects of positive and negative voltage on phase constitution of ceramic coating on aluminum alloy prepared by micro-arc oxidation were studied by XRD analysis.
通过XRD分析，研究了正向、负向电压对铝合金微弧氧化陶瓷层相组成的影响。
Provided is an oscillating device, which can adjust the oscillation Angle and the phase of a movable plate easily with a simple constitution.
提供一种振动设备，其可通过简单的构成轻易地调节可移动板振动角和相位。
The results show that the phase change temperature of paraffin can vary with the constitution, and paraffin has larger phase change latent heat and no supercooling.
研究显示：石蜡的相变温度可根据组成进行调节，相变潜热大，无过冷现象，在多次吸放热后相变温度和相变潜热变化很小，稳定性好。
The hardware constitution of a low phase noise frequency synthesizer using AD9854 and the measured performances of system phase noise and spurious spectrum are presented.
给出了采用AD985 4芯片构成的低相噪频率综合源的硬件组成以及系统实测的相位噪声、杂散技术指标。
The article introduces the direct power control (DPC) principle and constitution for three-phase boost - type PWM rectifiers and analyses switching table.
介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理，分析了开关表的形成机理。
The article introduces the direct power control (DPC) principle and constitution for three-phase boost - type PWM rectifiers and analyses switching table.
介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理，分析了开关表的形成机理。
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