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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
Had Jamie ever been in any kind of trouble?
杰米遇到过什么麻烦吗?
...a banquet hosted by the president of Kazakhstan.
哈萨克斯坦总统举行的宴会
The region between two nodes is known as the internodal segment.
在两结间的部分称为结间段.
Diplomas were conferred on the students who had completed all courses of study.
修完全部课程的学生被授予毕业证书.
If he took control, they would be rendered virtually powerless.
如果由他来掌管, 他们实际上就会丧失所有的权力.
The boys often have parties in this music room.
那些男孩子经常在这个音乐房搞聚会.
Comes here to have a picnic can be really strange!
上这儿来野餐可真怪!
Imperiously she beckoned me out of the room.
她傲慢地招招手,把我叫出房间。
His face was scarred and oddly puffy in places.
他脸上有疤痕,还有几处奇怪的肿包。
Heat often alleviates pain.
热常常能减缓疼痛.
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剩余的量
质量一般
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夺掉桅杆
异氰酸盐
生物筛分
氨基塑料
脑血管的
防风夹克
女按摩师
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进行威胁
钮扣状的
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中段
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日光温室
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穿着
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蹧跶
欧楂
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走运
江河
盯着他的眼睛
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爱好
用注解书学习
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