The effects of both chamber pressure and initial Porosity on combustion process are calculated, and some basic conditions for stable burning are analysed.

计算了燃烧室压力与初始空隙率等对燃烧过程的影响，分析了稳定燃烧时应满足的一些基本条件，结果与实验值相一致。

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It was shown that the particle size distribution of lead powder played an important role in plate porosity, initial capacity and cycle life of the battery.

结果表明：铅粉粒径对极板的孔隙度、成品电池的初始容量、充电接受性和循环寿命有较大影响。

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The effects of initial factors such as the content of diluent, nitrogen pressure and the porosity of compacts on the conversion and relative density of products were discussed in detail.

研究了稀释剂含量、氮气压力、毛坯初始空隙率等初始条件对产物转化率和致密度的影响。

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However, the inherit low porosity of the shale also implies that once the initial gush dies down, the flow will become a trickle.

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