• The results show that backward electron emission yield deviates from inverse cosine law, due to the role of the valence electrons of H2 +.

    研究发现背向电子发射不满足余弦关系,这是由于H2 +上价电子所引起的。

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  • Under the condition of field cultivar, studied on effects of electron treatment on the development process and yield of peanut.

    大田栽培条件研究电子生物处理对花生生育进程产量影响

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  • Some electron donor was oxidized to yield oxygen gas.

    某些电子供体氧化产生氧气

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  • A two electron gun method and an arrangement whereby the secondary electron emission yield of dielectric materials can be measured are introduced.

    本文介绍测量绝缘介质电子发射系数方法在动态系统中进行测量。

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  • Artificial electron acceptors increased the yield of photoactivation.

    外加入人工电子受体可使活化效率提高

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  • The groups in ring of benzaldehydes, no matter they are electron withdrowing or electron donating except of hydroxy, do not seem to have much effect on the yield.

    羟基处于醛基邻位和对位甲醛与几种苯乙酮衍生物的缩合,多数没有得到预期的产物,收率极低;苯乙酮的羟基对缩合反应影响很大,羟基越多,缩合越困难。

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  • The yield of myrtenol (II) is a little improved by electron-transfer photooxygenation with dicyanoanthracene (DCA), but is almost double by the addition of biphenyl as cosensitizer.

    氰基蒽(DCA)敏化的电子转移光氧化使桃金娘烯醇产率略有改善但是添加联苯共敏化剂使产率几乎一番。

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  • The yield of myrtenol (II) is a little improved by electron-transfer photooxygenation with dicyanoanthracene (DCA), but is almost double by the addition of biphenyl as cosensitizer.

    氰基蒽(DCA)敏化的电子转移光氧化使桃金娘烯醇产率略有改善但是添加联苯共敏化剂使产率几乎一番。

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