Via calculating systematic energy of anionic polymerization on ethyl acrylate and its derivative in solvents with different dielectric constants, gain activation energy of this initiation reaction.
通过不同介电常数溶剂中丙烯酸乙酯及其衍生物阴离子聚合反应体系能量的计算，求得了此引发反应的活化能。
Conclusions Systematic psychological training could effectively improve the physiological and psychological reaction under the stress condition in recruits and promote the performance.
结论系统的心理训练可有效改善新兵对应激情景的生理和心理反应，提高作业绩效。
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