炭化

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

以烟秆为原,化后用水蒸气活化制备活。

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松、芬兰木、南方松、柳桉等防腐、化木制品。

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被化，加入的石蜡等矿物蜡不被化来测定此类掺杂物。