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fusain

音标与读法

这里为大家介绍下fusain 是什么意思,希望能帮助到各位朋友。

中英文翻译

n.

1.炭画笔。

2.炭笔画。

3.炭素。

a stick of black carbon material used for drawing

同义词:charcoal,

Fusain is a fossilised carbon deposit, which - after some controversy - has been identified as fossilised charcoal.

例句与用法

1.In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes , the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0 . 6 , 1 . 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal . in not adding - acid system : the resistivities of different lithotypes " cp decline evenly ; it is found on the crossed experiment of cp , that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp . according to the result of the crossed experiment of cp

在有外加酸体系中:苯胺百分含量大于50时,不同煤岩组分的电阻率趋于恒定和一致;由于不同煤岩组分结构上的差异,导致苯胺聚合场所和聚合过程的不同;当过硫酸铵/苯胺摩尔比为0 . 6 , 1 . 0时,镜煤-聚苯胺导电材料电阻率和丝炭-聚苯胺导电材料的电阻率分别达到最低值;在无外加酸体系中:不同煤岩组分/聚苯胺导电材料的电阻率随着聚合时间的增加而均匀下降,并在8小时左右达到恒定;在对丝炭-聚苯胺导电材料进行的正交试验中发现:过硫酸铵/苯胺摩尔比对产率的影响最大,苯胺重量百分比对产率影响最小,而对产物电阻率影响最大的是苯胺重量百分比。

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