The reaction mechanism of cyanate ester monomer synthesized by a " cyanogen halide - phenol method " is discussed.分析了 “ 卤化氰 - 酚法 ” 合成氰酸酯单体的化学原理.The cyanate Resin is modificated by styrene and divinyl benzene , which are ...
Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).The rotten degree of fir trees is an important sign of quality of...
They portioned the food out to the poor.他们将食物分发给穷人.The standard ration pack had to be portioned out among fourteen men.一箱标准的配给食物必须分给14个人.The farmer portioned his land to his three sons before he died.这位农场主死前把土地分给3个儿子每人一份...
Popular cinema seems to have decayed...大众电影似乎已经衰落了。The bodies buried in the fine ash slowly decayed.埋在灰烬里的尸体慢慢地腐烂了。...decayed vegetable matter.腐烂的植物质The place stank of decayed fish.那地方有烂鱼的臭味.The bodies buried in the fine...