charcoal (drawing) paper

The results of test and productive practice on smelting ferroberon with petroleum coke in stead of charcoal show that the products quality can be improved and the better benefits can also been attained.

介绍了石油焦代替木炭冶炼硼铁的试验和生产。

The method that can continuously measure the sulfur and the charcoal in the black dynamite is presented in this paper,the advantages of this method are to not only enhance the reliability,but also reduce the analytical period and cut down the cost.

本文主要介绍黑火药中的硫磺、木炭连续测定的方法。

Four carbonaceous additives include coking coal,1/3 coking coal,hard coal-based pitch and charcoal were selected to study their influence on the properties of the agglomerated activated carbon(AC) made from Datong bitumite.

采用焦煤、1 /3焦煤、硬质煤沥青和木炭 4种含碳添加剂 ,考察了它们对大同煤质压块成型活性炭性能的影响程度 。

Preparation of highly activated wood charcoal and characterization of pore structure;

高活性木炭的制备与孔结构表征

Chinese fir(Cunninghamia lanceolata) wood powder was carbonized at 500 ℃ followed by another step of carbonization at 1 000 ℃ to obtain highly activated wood charcoal.

500℃下炭化杉木屑,再将此炭化料在较高温度下,进行第二步炭化,制得高活性木炭。

Cypress charcoals prepared at a temperature of 800-870℃ had a large external surface area of more than 400 m2/g,comparable to the microporous surface area,even though only 30-40m2/g was obtained by carbonization in a flow of Ar gas.

如果在800℃～870℃炭化,柏木炭外表面积可达400m2/g以上,与同样温度在氩气中炭化得到的柏木炭相比,后者微孔面积仅为30m2/g～40m2/g。

Cypress charcoals, which were prepared under super-heated steam and had a relatively large amount of mesopores, were used in electric double layer capacitors (EDLCs) in 1 mol/L H2SO4 electrolyte.

通过过热蒸气活化法制备的柏木炭中含有大量的中孔,可用于制备以1mol/L硫酸为电解液的双电层电容器(EDLCs)。

The groping experiment of delay fuse made of fusite replacing red charcoal is carried out.

文中对用乌煤替代红木炭制造延期导火索进行了试验探索。