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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
Career development Churchman Business School is composed of multiple stages.
职业发展由五个阶段组成.
The three most important varieties are chrysotile, crocidolite and amosite.
三种最主要的品种是温石棉, 青石棉和铁石棉.
I'm chuffed that the boss is staying.
老板不走了,我非常高兴。
I discovered that people accept a lot of pain if everybody's going through the chute together.
我发现,只要能做到同甘共苦,人们便能承受很大的痛苦.
The cicada is stilled. The chorus of the cricket and katydid diminishes.
秋蝉安静下来,蟋蟀和蚱蜢的合唱声减弱.
CONGENITAL ILIAC VEIN COMPRESSION SYNDROME ( CICS )
先天性髂静脉受压综合征 ( 附二例报告 )
She would think him churlish if he refused.
他要是拒绝的话,她就会认为他不够友好。
The art direction, cinematography, and lighting stand out especially.
此片的美术及摄影, 灯光尤其特出.
The strengths decrease in order crocidolite chrysotile, amosite.
强度按青石棉,温石棉, 铁石棉顺序下降.
CIM definitions are written in Universal Modeling Language ( UML ).
CIM的定义是用通用建模语言 ( UML ) 编写的.
Methods: 23 patients of lacrimal duct obstruction underwent ECI and washing with MMC and Chymotrypsin.
方法: 对23例泪道阻塞患者给以硬膜外导管插管加丝裂霉素C及糜蛋白酶冲洗治疗.
She handed the cigar back to Jason with a self-satisfied smile.
她得意地笑着把雪茄给贾森递了回去。
Say exactly, ECRM made those can record special effects the instrument at cinefilm.
确切地说, ECRM制造了那些能将特技效果记录于电影胶片的仪器.
My sister is a cineaste.
我妹妹是个影迷。
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