The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.The air guards the catalytic converter from overload and possible resulting damage.空气防止了催化式排气净化器的过载及可能产生的损坏.It is known as catal...
This not only abbreviates catalytic cracking equipment, but also enhances the economical effects of refineries plant.这样不仅缓和了催化装置的操作, 而且可为炼油厂开发出新产品,创造经济效益.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was s...
古代人对于上天比我们知道得多。The ancients knew more than we do about the heavens.古代人错误地认为地球是扁平的.The ancients were mistaken in their belief that the earth was flat.古代人制作陶器是因为他们的生存需要它.Ancient people made clay pottery because they needed...
辐照后,氢气退火的样品在200 ～ 500nm波段透过率显著降低.The transmittance of the YSO H _ 2 - annealed obviously decreases after radiation in the 200 - 500 nm spectral ranges.浮法玻璃退火的目的是消除或减小玻璃中的热应力.The purpose of float glass annealing is to red...
dressed in doublet and hose穿着紧身衣裤We can refer to these duplicated chromosomes as making up a doublet.我们称这些复制的染色体为双体.The desired operator is the spike doublet of Figure 40.欲求的因子为图40那样的脉冲偶极子....
Pezzo crosses the line with arms up celebrating victory.佩佐冲线,双臂高举庆祝胜利.Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.In the women's world cup mountain Bikes, 14000 spectators ...