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。
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。
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。
Experimental results show that a soil substrate containing waste crumb rubber with a small grain diameter has the best average water retaining capacity and stronger water retaining capacity.
实验结果表明含废胶粒径小的土壤基质的平均保水力最好，具有较强的水分维持能力。
Experimental results show that a soil substrate containing waste crumb rubber with a small grain diameter has the best average water retaining capacity and stronger water retaining capacity.
实验结果表明含废胶粒径小的土壤基质的平均保水力最好，具有较强的水分维持能力。
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