The method of preparing activated carbon from tobacco stems with zinc chloride by microwave irradiation and conventionalprocessing was studied.
研究了以烟杆废料为原料，在微波辐照和传统加热下氯化锌法制取活性炭的方法。
2
But the parts due to processing has particularity, use the conventionalprocessing methods are hard to guarantee the precision and surface quality.
但由于要加工的零件具有特殊性，使用常规加工方法难以保证精度和表面质量。
3
When seismic data signal to noise ratio is low and conventionalprocessing effect is not good, scaling down processing may be introduced in data processing.