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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
The new method of traffic control is well schemed.
新的交通管制方法设计得很好.
When do I get to go to a movie?
我什麽时候才可以去看场电影?
The boys didn't mean any harm—they just did it for a lark.
那些男孩并无恶意—他们只是闹着玩罢了。
We walked up a flight of stairs...
我们上了一段楼梯。
What about the milkshakes?
“那奶昔 呢 ?”
Do You Fix Kitchen Sinks?
你们修理厨房的洗碗池 吗 ?
Carpel The female reproductive organ of a flowering plant.
心皮:有花植物的雌性生殖器官.
Said they saw him out by Hogback Bridge this morning with all sorts of cameras. "
说是看见他今天早晨在桥那儿,带着各式各样的相机. ”
Inspectors checked that there was adequate ventilation.
检查员已检查过,通风良好。
She has an undoubted talent as an organizer.
她的确有组织才能。
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