The proposed method determines the motion activity and visual content change of the MPEG compressed video by using the luminance DCT DC value, macroblock type and motion vector.

本文算法利用亮度DCT DC值、宏块类型和运动向量来确定MPEG压缩视频中运动活动和视觉内容变化。

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Objective To study the expressing activity of vector containing two promoters in eukaryotic cells.

目的研究含双启动子表达载体在真核细胞中的表达活性。

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Conclusion the prokaryotic expression vector of 8r-muc1 core peptide fusion protein has been constructed, and the fusion protein with biological activity has been successfully expressed and purified.

结论：构建了8r - MU C1核心肽融合蛋白原核表达载体并成功表达与纯化出具有生物学活性的融合蛋白。

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The Scottish Government said it was an isolated case and the virus was not circulating between susceptible animals as vector activity was low at this time of year and in the current temperatures.

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