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方法 2- 吡咯烷酮经N - 烷基化、氨解反应合成乙拉西坦.用英语怎么说?
方法 2- 吡咯烷酮经N - 烷基化、氨解反应合成乙拉西坦.
Methods Etiracetam was synthesized from 2 - pyrrolidone by N - alkylation and aminolysis.
相关词汇
methods
etiracetam
was
synthesized
from
by
alkylation
and
methods
n. method的复数:方法,方法( method的名词复数 ),方法论,教学法,分类法;
例句
The old
methods
weren't adequate to meet current needs...
老一套方法已不足以满足当前的需要。
etiracetam
乙基氧吡咯烷乙酰胺;
例句
Methods
Etiracetam
was synthesized from 2 - pyrrolidone by N - alkylation and aminolysis.
方法 2- 吡咯烷酮经N - 烷基化、氨解反应合成乙拉西坦.
was
v. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质( be的过去式 ),在,存在,不受干扰;
例句
There
was
a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。
synthesized
--
例句
Butyraldehyde 1,2 proparediol acetal was
synthesized
by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.
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
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
alkylation
n. 烷化,烃化;
例句
These derivatives are readily obtained by
alkylation
of 2 - mercaptopyridine and alkyl halides under alkaline conditions.
这些衍生物可以容易地在碱性条件下通过 2- 巯基吡啶和卤代烷的烷基化而得到.
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。
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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘,一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
Many large organizations run courses for their employees.
许多大企业为旗下员工开办课程。
The orchestra's been swotting up their Holst and Stravinsky.
该管弦乐队一直在刻苦排练演奏霍尔斯特和斯特拉文斯基的作品。
The new bill passed by Parliament has received Royal Assent.
议会所通过的新方案已获国王批准。
They were all equipped with new Winchester rifles.
他们都配备着崭新的温彻斯特式来复枪.
The elements of the load vector, { P } , are the load components tabulated in numerical sequence.
加载向量P的元素是按编号顺序列表的加载分量.
Did I get my head lopped off by one of those Mahdi savages?
是不是觉得,我会被玛迪的野蛮人把头砍下?
In practice, the APA obligation is not burdensome.
在实践中, 《行政程序法》的法定责任并非难以负担.
I've got a photo of him on the wall.
我在墙上挂了一张他的照片。
Again, we turn to the past f firmness, but no belligerence, and by no belligerence.
让我们再一次重温过去, 那就是强硬而不好战.
Human Proteome Folding Phase 2 ( HPF 2 ) continues where the phase left off.
人蛋白酶折叠二期项目 ( HPF2 ) 承接前一期的研究结果.
热门汉译英
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l
blacked
live
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guilt
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enables
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steeple
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spreading
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showy
above
corrects
journal
热门汉译英
古典音乐
将来有一天
进行突袭
可能入选者
可移动的
成阶层的
明显流露出
带有某种腔调
固执的人
组件
无才能
主张的
不足生长
交朋友
边界贸易站
在前面偏一边的
逃遁
交战的一方
野生的黄莓
联立的
舒适地蜷伏
独家新闻
给套轭具
有思考力的
弹跳
平民
做家庭作业
帮助干坏事
向内生长
拥挤在周围
矮林作业
初级线圈
花哨而无价值的
补偿机能
近亲交配
丧胆的
能懂的
成婚
腔调
被某事物所制服的
创始者
脏东西
破绽
使下沉
庄严
厄运
凸窗座
最后部的
有层理的
最新汉译英
room
stumps
transience
slumped
cultures
bossage
reeling
inappropriate
decker
anti-black
snobbish
listener
remember
contestant
song
bana
companion
you
dewater
flavour
running
nozzles
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highlight
segregate
shape
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candor
最新汉译英
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黄橄霞玄岩
对抗性地
耻辱的
馏分油
免责特权
战争前的
帮助干坏事
押韵诗
停火命令
被回忆起的
周详
口头禅
激烈的竞争
亲热的表示
技巧
渴望的
水牛败血病
陷入泥中
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脸色好
不暴露自己的意图
危险因素
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凝结的酸牛奶
批示
优雅地
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瑞典人
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打印出来的资料
气势汹汹地说
适宜收藏的东西
师傅
发出刺耳的摩擦声
未被监禁的
柏拉图哲学信奉者
地球科学
古希腊城邦平民
阿克蜡
四鳃旗