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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.用英语怎么说?
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.
Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.
相关词汇
methyl
cis
cinnamate
was
synthesized
from
ethyl
by
bromination
esterification
and
catalytic
hydrogenation
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.
cis
n. 顺式的;
例句
The trans -
cis
photoisomerization of azobenzene is the basis of photo - responsive properties of many azo - functional materials.
偶氮苯的光致顺反异构化是许多偶氮类功能材料光响应的基础.
cinnamate
n. 肉桂酸;
例句
Butyl
cinnamate
was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst.
以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.
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
ethyl
n. 乙荃,乙烷基,乙基;
例句
In benzene or
ethyl
acetate solution rates increase linearly with methyl methacrylate concentration.
在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.
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
bromination
--
例句
METHODS: The target compound was prepared by the
bromination
and amination reaction.
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
esterification
n. 酯化作用;
例句
A new leather fatliquor product was synthesized by amidation,
esterification
and neutralization of cotton oil.
以棉油为基本原料,经酰胺化 、 酯化、中和,合成出一种新的皮革加脂剂产品.
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。
catalytic
adj. 接触反应的,起催化作用的;n. 催化剂,刺激因素;
例句
...carbon molecules with unusual chemical and
catalytic
properties.
具有特殊化学性质和催化性的碳分子
hydrogenation
n. 加氢,氢化(作用);
例句
The said catalyst was a good
hydrogenation
catalyst for adiponitrile.
Ni-Al-X 催化剂是己二腈加氢的优良催化剂.
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
Enumerates the authentication levels for a message on sending.
发送时枚举消息的身份验证级别.
The Europeans had hoped to win, and, indeed, had looked like winning.
欧洲人早就想赢了,而且他们看上去的确是一副要赢的样子。
They intend to allocate more places to mature students this year.
今年他们打算给成人学生提供更多的名额。
Two notable regulatory changes resulted from enactment of Pub. L . 96 - 295.
在颁布的《公法》96—295条中,有两项改动引起人们的注意.
These numerical equalities would not exist if any ordinary engine cycle were reversed.
如果将任一普通热机的循环方向反向,那么以上这些相等数量是不存在的.
No one queried my decision.
没人对我的决定提出质疑。
the Customs Service's drug interdiction programs
海关的毒品查禁方案
a zebra's black and white stripes
斑马的黑白条纹
Nothing cements a friendship between countries so much as trade.
贸易最能增强国家间的友谊。
Do you get puffed out running up and down the stairs?
你要是在楼梯上跑上跑下的会不会喘不过气来?
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爱奥尼亚的