By microwave designing for substrate heating materials, the larger uniform temperature field areas than the diameter of substrate holder in MPCVD device is obtained.

通过对基片加热材料的微波设计，在MPCVD装置中获得大于基片台直径的均匀温度分布区。

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The results show that carbon nanotubes grown on porous silicon substrate are well aligned with uniform diameter and dispersed distribution.

结果表明，以多孔硅为衬底生长的碳纳米管管径均匀且离散分布，定向性良好。

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The effect of different substrate on diameter of stem, width of seedling, dry weight of stem, dry weight of root and volume of root is significant at 1% and 5% level.

不同配比的基质分别在5 %和1%水平上不同程度地影响着番茄幼苗的开展度、茎粗、茎干重、根干重和根体积等幼苗生长指标。

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