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由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.用英语怎么说?
由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.
The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.
相关词汇
the
is
from
ethyl
by
amination
and
elimination
reaction
the
art. 指已提到的人(物),指说话人与听者已知的人(物),用于独一无二的事物前,与形容词最高级和序数词连用;
例句
He did have a real knowledge of
the
country...
他对该国的确知之甚多。
is
vt.& vi. 是(be的三单形式;n. 存在;
例句
Bollinger 'RD'
is
a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。
from
prep. (表示时间)从…,(表示原因)因为,(表示来源)来自…,(表示分离)与…分离[隔开];
例句
...an abortive attempt to prevent the current President
from
taking office.
企图阻止现任总统连任的失败尝试
ethyl
n. 乙荃,乙烷基,乙基;
例句
In benzene or
ethyl
acetate solution rates increase linearly with methyl methacrylate concentration.
在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.
by
prep. 在…旁边,表示方式,由于,经过;adv. 经过,表示保留或保存时用,短暂拜访;
例句
...expensive make-up that we saw being advertised
by
a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品
amination
氨基化,胺化,胺化作用;
例句
METHODS: The target compound was prepared by the bromination and
amination
reaction.
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
and
conj. 和,与,而且,于是,然后,因此;
例句
I spend a lot on expensive jewelry
and
clothing...
我花很多钱购买昂贵的首饰和衣服。
elimination
n. 排除,除去,根除,淘汰;
例句
It is already possible to start moving toward the
elimination
of nuclear weapons...
已有可能朝着消除核武器的目标努力。
reaction
n. 反应,反作用力,反动,保守;
例句
When Chappel approached me about the job, my first
reaction
was of disbelief...
当查普尔为这份工作找我商量时,我的第一反应是不相信。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿,听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘,一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时,可以向商业票据的背书人要求支付的权力。
相关例句
Every Sunday, they disport themselves either in the parks or in the mountains.
每周日他们或去公园或去爬山。
Sometimes, Kappy got angry and struck back at him in whatever way she could.
有时,卡皮被惹恼了就会不顾一切地反过来指责他。
The kids were kept in the small corral.
羊羔圈养在小畜栏里.
He has really blossomed out since he came to live here.
自从他住到这里来以后他确实变得快活了.
But this did not have to be the case.
但这并非是必然的.
It is a sort of derivative which disarranges and disconcerts the whole science of etymologists.
这种字的转借法,绝不是字源学家的学问所能解释的.
I was at a loss for what to do next.
下一步该怎么做,我完全没谱。
I had just enough time to finish eating before the bell rang and I was off to my first class...
我刚吃完饭铃声就响了,于是我赶去上第一堂课。
The bigger girls used to chase me and tickle me.
比我高大的女孩过去总是追赶着胳肢我。
The widow must live on her slender pittance.
那寡妇只能靠自己微薄的收入过活.
热门汉译英
channel
l
simple
oversees
top
by
mm
A
Live
they
inefficient
wans
i
pro
at
quite
pronounce
more
reads
stories
ll
allowed
too
much
have
blacked
and
nest
Detailed
热门汉译英
来
作品
大学生
中学生
孙子
爱好者
字母
单元
为什么
出
跳绳
工作室
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段落
送
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课文
绝对
光线
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中提琴
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坚定
三个
认识到
一组
婆娘
触点
文档
频繁
一个
听写
押韵
说出
吸引住
指南针
偷
朋友们
四个
大面积
预算
留下足迹
最新汉译英
gouges
confronts
sciences
wrestle
nap
fasten
sprained
pouting
develop
Shush
boned
delivers
carbonic
entertains
thickest
accursed
ahead
destroys
depth
various
bungee
lad
Marshall
approaching
mane
fountain
loosening
fosters
squeak
最新汉译英
卓越
生活方式
矮小的动物
高龄
新婚颂诗
一串
你自己
具体的
同一地
同亲
同分异构同形性
同种红细胞凝集原
同多形现象
异样
异种
同等权利的
同侧异处感觉
同速进
同种异型性
同时存在的
同担子菌亚纲
同种凝集原
同质异能的
同种精子毒素
汪汪
同位素现象
同质刺激法
同意干某事
使变得完全不同
同源异构包体
使失同步
同类
同形体
同轴
同步
水解
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