Besides, the chemical structure, C/H value, and volatile matters of the coal all have direct effect on the distribution of PAHs.
直接影响煤中多环芳烃分布的因素还有煤的化学结构,煤的挥发份含量和煤的C/H比值。
Case calculations show that it is available to pick up well the process of anomaly change of H value before strong earthquake with selecting reasonable calculational conditions.
实际震例计算结果也表明,通过合理选取计算条件,可以较好地提取强震前H值的异常变化过程。
Overall, this thesis has certain value to the application of H. 263 video coding and DSP realization.
本文的研究工作对h . 263视频编码的应用和DSP实现具有一定的参考价值。
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