炭化

The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为原料,经后用水蒸气活制备活性。

Selected production and processing of Pinus sylvestris, Finland wood, Southern Pine, Meranti and other anti-corrosion, charring wood products.

精选生产加工的樟子、芬兰木、南、桉等防腐、木制品。

By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

根据蜡中的烃类在浓硫酸中可，加入的石蜡等矿物蜡不来测定此类掺杂物。