在键无规条件下，特别当反铁磁交换相互作用存在时，我们得到了一些有意义的结果。
Under the random bond condition, in particular, when there exists antiferromagnetic interaction, we obtain many meaningful results.
分别建立核磁测定聚异丁烯活性端基含量以及其他烯键含量和近红外光谱快速测定聚异丁烯活性端基含量、其他烯键含量和相对分子质量的分析方法。
The methods of determining high active end group content and molecular weight of polyisobutene have been established by nuclear magnetic resonance and near infrared spectra respectively.
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