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Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.是什么意思?
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
相关词汇
methyl
was
synthesized
from
pentyl
cyclopentanone
and
malonate
by
condensation
methyl
n. 甲基,木精;
例句
The extraction mechanism of palladium in chloride system by di ( 1 -
methyl
heptyl ) acetamide ( N _ ( 503 )) has been studied.
本文研究了N, N二 甲庚基乙酰胺 ( N_ ( s03 ) )从氯化物体系中萃取钯的机理.
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
pentyl
--
例句
Methyl dihydrojasmonate was synthesized from 2
pentyl
2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
cyclopentanone
n. 环戊酮;
例句
Absorption spectra of three novel coumarin sensitizer incorporate benzylidene
cyclopentanone
moiety were studied.
比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料.
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。
malonate
n. 丙二酸;
例句
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl
malonate
by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
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
condensation
n. 冷凝,冷凝液,凝结的水珠,节略;
例句
He used his sleeve to wipe the
condensation
off the glass.
他用袖子擦掉玻璃上凝结的水珠。
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
It takes a very steady hand and plenty of practice to paint a perfect line.
只有手不发抖并多加练习才能画出完美的线条。
There is no magic formula for producing winning products...
获奖电影的制作没有捷径可取。
Curbside Cupcakes operates operates out of a truck that travels around WashintonWashington.
路边纸杯蛋糕店靠一辆环游华盛顿的货车经营着.
The albatross can stay airborne at sea for days at a time.
信天翁在海上可以一连在空中待几天.
A fool's bolt may sometimes hit the mark.
愚者千虑,必有一得。
I found the delays intensely frustrating.
我觉得这些延误极其令人沮丧。
John C . Reilly has played a host of seamy characters to great effect over the years.
约翰-C-雷利这些年来扮演了很多丑陋的角色,并大获成功.
the quantum of rainfall
降雨总量
Barney sounded almost apologetic.
巴尼听起来几乎是在道歉。
...the San Andreas Fault.
圣安德烈亚斯断层
热门汉译英
i
l
simple
ll
much
too
all
threat
costa
site
forsaken
pro
a
alphabet
lesson
Tuesday
overcast
essence
will
radio
messages
method
blacked
encouraging
encourages
folklore
red
psyche
hat
热门汉译英
单元
抹
一阵微风
足下
很小的
录音
授予
基本的
泄露秘密
扬声器
辩护律师
陶然
现实性
引决自裁
不再使用
使完整
不断地批评
复习功课
太平洋
参谋
奇迹
奇形怪状地
萌芽
朗读
名人
反面
留下印象
横跳躲闪
叶柄
多样化
高潮
挤在一起
婴儿时期
上色
肯定
创立人
基础理论
去相关器
悬木制动器
坚定
一般的人
配子学
从来没有
做宣传
生密枝
同仁
最基本的
好奇心
启航
最新汉译英
language
ploughs
manifest
pageant
regulate
prefaces
totems
guzzle
says
sizes
coping
retreated
tricking
sling
hatching
clauses
tameness
wrestle
worth
micromeritics
hinting
profitable
goings-on
free-holder
loopy
illusion
say
circle
rapidity
最新汉译英
用橡胶制造
配伍禁忌的
露出裂口
不存在的
里程标志
友好的行为
胖人
水性漆防腐剂
无可置疑的
系或用线挂起
文
泄某人的气
马太树脂酚甙
程序
使陷入泥沼
使成体系
纵情欢闹
衣原体科
不关心的
瓷器
足下
信仰地
做零活的人
被逼至绝路的
说唱歌
酒石酸铋盐
学期末
正面
名人
插入
推想的
半圆形的小馅饼
分类人事广告版
形式主义
殡仪事业
保证说实话的
镇服人的事实
单元
伤心事
有思想的
波兰军事指挥官
基本的
有关推理的
一日的
打孔装置
一段
奖牌收藏家
履行诺言
楼房