The effect of synthetic nano materials applied in a filter tip to decrease cigarette tar was studied.
介绍了合成纳米材料应用于香烟过滤嘴降低卷烟焦油量的研究。
The improved filter will be unbiased even for dense tar-gets.
这种改进的滤波器在目标密集时仍能保证无偏性。
The nano-adsorber was filled into the filter tip, cigarette tar can be reduced by the adsorption .
将纳米吸附剂施加于过滤嘴棒中，可提高嘴棒的吸附、过滤效率。
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