LCO promoter having proper acid sites and stable medium pore distributions by adopting the pore improving method was developed for heavy oil catalytic cracking.
采用添加孔改进剂的方法，开发了具有适当的酸中心分布、稳定的中孔分布的多产柴油重油裂化助剂。
In this paper, binding energy spectra and orbital momentum distributions of the four most stable conformers of Proline are investigated.
本文主要讨论了脯氨酸分子最稳定的四种构象的束缚能谱和轨道电子动量分布。
This is because in fat-tailed distributions, the mean is affected by outliers and therefore one needs many years of data to arrive at a stable estimate.
在厚尾分布中，平均值会受到异常值的影响，因而需要好多年的数据才能得出稳定的估计。
The distributions of droplet diameters in various operating conditions are measured and the influence of thixotropy on breakage process and maximum stable drop diameter is analyzed.
实验研究对比了不同温度下原油-水分散体系的液滴分布及最大稳定粒径，分析了触变性对破碎过程及最大稳定粒径的影响。
Conclusion: Mosquito communities of human rooms have abundant species and its structure and component are very complicate, the distributions of dominant species are relatively stable.
结论：该人房群落蚊种较丰富，群落组成和结构复杂，各优势蚊种数量分布基本均匀和稳定。
Conclusion: Mosquito communities of human rooms have abundant species and its structure and component are very complicate, the distributions of dominant species are relatively stable.
结论：该人房群落蚊种较丰富，群落组成和结构复杂，各优势蚊种数量分布基本均匀和稳定。
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