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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.用英语怎么说?
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.
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
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
Cheerio! I'll see you later.
再见!回头见。
Their position is similar to that of the handicraftsmen.
他们的地位类似手工业者.
I saw him do his one-man show in London, which I loved.
我在伦敦看过他的独角戏,非常喜欢。
The desk is placed at the further end of the room.
书桌摆在房间里较远的一头。
His parents are scientific and technological workers.
他的父母都是科技工作者。
Wealth habituated him to luxury.
财富使他习惯于奢侈。
Michael glanced anxiously down the corridor, but Wilfred was nowhere to be seen.
迈克尔焦急地顺着走廊望去,可根本看不到威尔弗雷德的影儿。
A revolutionary’s life used to be beset with dangers and hardships.
一个革命者的生活中往往充满危险和艰难。
Anxious user: The NUMLOCK lamp on my clavier shined , does the problem go here?
焦虑的用户: 我的键盘上的NUMLOCK灯亮了, 问题是不是出在这儿?
Poly - lactide is one of the generally acknowledged biodegradable macromolecular materials.
聚丙 交酯 是世界公认的可体内降解的高分子材料之一.
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