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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
...during the reign of Sultan Abdul Hamid.
在苏丹阿卜杜勒·哈米德统治期间
She did not suspect that his interest was just a passing fancy.
她相信这不过是他一时兴起。
They checked out all the goods in the store.
他们清点了仓库里的货物。
By the way, when does a package tour leave?
顺便问一下, 包价旅游什么时候出发?
...inexpert needlework.
蹩脚的针线活
The apparent truth was really a lie.
表面上看似实话, 实际上是个谎言。
Grain intercrop area amounts to many mus 200.
粮间作面积达200多万亩.
...a cheeseburger and regular fries.
一个奶酪汉堡和中份薯条
I am sick of this place; let's shove off.
我讨厌这个地方, 我们离开吧.
North Sea operators kicked against legislation making them responsible for removing oil platforms at the end of their useful life.
北海的石油开采商激烈反对要求他们在石油钻井平台使用期结束之后将其移除的立法。
热门汉译英
she
of
storming
issuance
tricked
pay
engaged
billet
Scandal
channel
outlined
embraces
eagerly
batiks
jerrymander
earmuff
gluttony
astatic
equimagnetic
impenitently
twister
honked
See
Eddie
centrocinetic
perform
circumstantially
Frozen
exhaling
热门汉译英
破例
不发音的
忌
有实体的
汽车或其他机器的
播音
排架
条纹斑杂岩
不再使用
债券
威士忌
嫌忌
洪水恐怖
军人用小型提箱
辊身做出凸度
钻进
亲自挑选
自我催眠
使成联邦
含沥青的
有臭味的
十面体的
螨植共生
电子探针
磁阻效应
不和谐的
革命性的
蓝喉歌鸲
量的计数
浓稠肉卤
衣冠不整
狂吃暴饮
有负号的
萼冠间柄
棉屑肺痨
结合起来
布氏藻科
葡糖激酶
使成铃状
被吸收物
有道德的
不发酵的
不新鲜的
有阳台的
印花釉法
脱色剂
蔷薇辉石
可分析性
特征频率
最新汉译英
ninogan
easterly
Hydrachnae
Scheduled
store
hydrozoa
twi-
hatchell
excretin
hatchelling
Twice
assorting
sorting
exclusionary
hydrabrusher
proscriptive
unscheduled
hydrability
bind
1596-1690
fairies
Hydra
king
air-out
Crocodiles
bodes
conversationalists
methabenzthiazuron
chromatophotometer
最新汉译英
排出的
依等级排列
排列
水螅虫类的
遍体鳞伤的
遍生纤毛的
水螅珊瑚目
沉排
水螅虫类的虫
两次
水螅根茎
扫遍
水螅
九十
两遍
小水螅
遍历性
排字者
倾轧
针排
排挤
排出存油
尿钾排泄
排泄过多的
排水能力
根据时间表安排
摈斥
水螨总股
表示排斥
排泄药
排泄素
排泄过少的
排泄管
不按时间表的
排行榜
由权力经纪人安排
十有八九
排斥
排气
九面体
排泄
九头蛇
排水井
排架
同时遍在的
烤杂排
排斥的
排水系统
排