“烃基化”的英语

研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.This paper studied the catalytic N - alkylation of acetanilide with polyvinyl chloride - pyridine resin.方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.Methods: The target comp...

n.氯代烷烃...

enterprising的音标：enterprising的英式发音音标为：['entəpraɪzɪŋ]enterprising的美式发音音标为：['entərpraɪzɪŋ]...

offender的复数形式为：offenders...

所有的经理都会得到丰厚的退职金和养老费.The directors will each get a large golden handshake and a pension....

We brought some spades , pails and saplings with us.同学们拿着铁锨 、 水桶和小树苗上路了.He bid three spades.他叫三个黑桃.Holiday mad Brits are packing their buckets and spades and heading for the sun.酷爱假日的英国人正收拾小桶和锹铲前往阳光充足的地方。They were playin...

A crop of tomatoes enriches the soil and makes It'suitable for growing cabbage.西红柿茬口壮,种白菜挺合适.No money can buy the inner capacity that enriches and transfigures everyday experience.金钱换不回让自己每天的经历丰富多彩的能力.Fertilizer enr...

The current lags behind the voltage.电流滞后于电压.If the input voltage is plus three , it comes out as minus six.如果输入的电压是+3伏, 那么输出的电压便是-6伏.The units in which we show voltage and current are volt and ampere respectively.我们用以表示电...

n.二苯基乙炔...

aerugin的音标：aerugin的英式发音音标为：['ɪəru:dʒɪn]aerugin的美式发音音标为：['ɪərudʒɪn]...

In Britain they call a mailbag a postbag.在英国人们把“mailbag”(邮袋)称为“postbag”.Mailbag: How will Chamberlain be used?球迷问与答: 张伯伦要如何使用?The hot stove is still burning, so let's get to this week's mailbag.这个话题仍然相当热门, 让我们来...

“显色”的拼音为：xiǎn sè...

A union would infuse unnecessary conflict into the company'semployee relations.工会会把不必要的冲突带入公司员工关系当中。Leave the tea to infuse.让茶叶泡开。Add the tea leaves and leave to infuse for five minutes.放进茶叶,浸泡5分钟....

vt.理解，领会，包含...

surcharge的音标：surcharge的英式发音音标为：['sɜ:tʃɑ:dʒ]surcharge的美式发音音标为：['sɜrtʃɑrdʒ]...

n.欧洲酸樱桃（野生樱桃的一种）( marasca的名词复数 )...