The effects of antimony and mischmetal on the casting properties of AZ31 alloy were investigated using the differential thermal analysis and hot tearing ring method.
用差热分析及热裂环法研究了锑和混合稀土对AZ31镁合金铸造性能的影响。
The greater the differential pressure, the higher the vacuum degree, and the better the sealing effects, which displays the self-sealing feature of the vacuum sealing ring.
压差越大，即真空度越高，密封效果越好，体现了真空密封圈的自密封特点。
The cure reaction and thermal properties of a novel dicyanate ester resin containing naphthalene ring were characterized by differential scanning calorimetry(DSC) and thermogravimetric analysis(TGA).
采用差示扫描量热（DSC）和热失重分析（TGA）研究了含萘环结构的氰酸酯树脂的固化反应和耐热性能。
In this thesis, space-time block coding and differential space-time coding are discussed on the basis of "one-ring" correlated channel model.
本文基于一种“单环”相关信道模型，对空时分组码和差分空时码进行了分析和研究。
In this thesis, space-time block coding and differential space-time coding are discussed on the basis of "one-ring" correlated channel model.
本文基于一种“单环”相关信道模型，对空时分组码和差分空时码进行了分析和研究。
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