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Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.是什么意思?
Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.
反式肉桂酸乙酯经溴化 、 脱溴化氢 、 甲酯化和催化氢化合成了顺 式 肉桂酸甲醇.
相关词汇
methyl
cis
cinnamate
was
synthesized
from
ethyl
by
bromination
esterification
and
catalytic
hydrogenation
methyl
n. 甲基,木精;
cis
n. 顺式的;
cinnamate
n. 肉桂酸;
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;
synthesized
--
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];
ethyl
n. 乙荃,乙烷基,乙基;
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;
bromination
--
esterification
n. 酯化作用;
and
conj. 和,与,而且,于是,然后,因此;
catalytic
adj. 接触反应的,起催化作用的;n. 催化剂,刺激因素;
hydrogenation
n. 加氢,氢化(作用);
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
MORPHOGENETICAL STUDIES ON THE MARINECILIATE Euplotes charon ( Protozoa, Ciliophora )
卡龙游仆虫无性生殖期间的形态发生学研究 ( 原生动物, 纤毛虫 )
There are many species of chrysanthemum.
菊花品种很多.
A larva metamorphose into a chrysalis and then into a butterfly.
幼虫变为蛹,然後再变成蝴蝶.
Yet the eco - friendly fuel is beginning to look less chummy of late.
然而环境友好型燃料最近似乎不那么友好了.
He lit a cigaret in order to calm his mind.
他点燃一支香烟,镇定一下情绪。
CONGENITAL ILIAC VEIN COMPRESSION SYNDROME ( CICS )
先天性髂静脉受压综合征 ( 附二例报告 )
She was laid to rest in the churchyard.
她被安葬在教堂墓地.
This attitude was equated with justice by Cicero.
西塞罗将这种态度看成是正义.
Butter is made by shaking up cream in a churn.
黄油是通过在搅拌桶里搅拌牛奶制成的.
By chemical dispersion and acid leaching, silica nanowires were prepared from natural mineral chrysotile.
以天然矿物纤蛇纹石为原料,通过化学分散、酸浸制备了氧化硅纳米线.
In the distance I could hear the chug of farm machinery.
离老远,我都能听到农机具的突突声。
Cinderella's dress took the shine out of her sisters '.
灰姑娘的连衣裙使她姐姐们的服装黯然失色.
Peugeot invites you for a tour of French cinematography.
标致邀请您参观的法国电影.
Chyme pH in crop, proventriculus and gizzard increase gradually with age.
结果表明, 嗉囊、腺胃和肌胃内食糜pH随 日龄逐渐增加,而小肠内食糜pH随 日龄变化不大.
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channel
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they
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any
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went
and
delicious
mm
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son
blacked
all
at
portions
Twice
was
on
house
said
Make
juicy
unkind
generated
allowed
热门汉译英
请
一个
来
健身房
跳绳
瓦工
撕裂
车厢
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迫近的危险
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以扫
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