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The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.是什么意思?
The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.
研究了以1,4-萘醌为原料,通过溴代 、 氰化和O-烷基化三步合成1,4-二烷氧基萘-2,3-二甲腈.
相关词汇
the
were
synthesized
from
by
bromination
cyanation
and
alkylation
the
art. 指已提到的人(物),指说话人与听者已知的人(物),用于独一无二的事物前,与形容词最高级和序数词连用;
were
be的过去时复数和第二人称单数形式,有时代替 was,用于条件从句、动词 wish 之后等;
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];
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
--
cyanation
氰化作用;
and
conj. 和,与,而且,于是,然后,因此;
alkylation
n. 烷化,烃化;
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。
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。
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。
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
Enthusiasts say their timeless appeal is largely down to their cuteness.
热衷者说它们永恒的吸引力很大程度上是依赖于他们的娇小可爱.
I was plagued at Ipswich with the customhouse officers.
在伊布斯威治海关人员来麻烦我.
Her spine curved.
她的脊柱弯曲了。
Nodules of calcification are seen on the cusps here.
可见瓣膜尖端有钙化结节.
a pair of wire-cutters
一把钢丝钳
The stags line up against the wall, chat cursorily with one another.
光棍来宾都一字靠在墙上, 有口无心地聊着天儿.
Yellow pigment coverage is poor, magenta and cyan pigments for coverage.
黄色颜料的覆盖率不对, 品赤和青色颜料的覆盖率好.
Cutaway View of the extrusion Press.
挤压机横切图.
Cyanamidealsocyanamid: a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.
“氨基氢: 一种腐蚀性的酸性晶体化合物, NHCNH,可通过硫酸作用于氢氨化钙制取.”.
In all cases we'll curtail baggage handling.
在任何情况之下,我们要简化行李的发送.
She wasn't beautiful. But she was kind of cute.
她不漂亮。但她有几分可爱。
Curtis O'keefe glanced at her sharply.
柯蒂斯·奥基夫严厉地向她看了一眼.
However, even after the cutback in their leverage , the Turtles kept performing.
然而, 把杠杆降低之后, 还是可以赚钱的.
Note there are three cusps sewn into a synthetic ring.
可见三个瓣叶围绕形成环.
热门汉译英
From
here
ps
twelve
enhance
thriving
helplessness
Dotty
Dusty
See
visually
furan
quick-tempered
historian
bugs
highroad
shelters
Salty
comprehensible
concerning
halts
highlights
yaw
heath
placing
hunts
claw
Catty
depots
热门汉译英
窗帘
主教教区
由悔悟引发的
最终获得成功
别个
英语
题
路或桥的
吐露
有闸人工水道
盈利
带到约好的地点
高雅
佯攻
糖
阿富汗的首都
庭园
牝牡
纯真
主张大肆宣传者
跛行
搂着脖子亲吻
积水性心包炎
闪光囊硫菌属
性别自体鉴定
气切割
呋喃糖
星球的
爱虚荣的人
阿尔马莱克
阿美动物部
负四方英石
站得住脚的
惨
赫洛克
成功击中
鸦片中毒
黄嘌呤尿
肠造口术
但丁式的
文书工作
普鲁卡因
加罗法洛
氢溴化物
不均衡地
犬吠样咳
环氧化物
阿博霉素
打褶装置
最新汉译英
bruin
settlings
settler
carves
cattlemen
consequentially
dial
delphinidin
know
canvasser
broadened
bushed
commensurately
correlation
counter-signature
creep
exaggerated
frugality
corncrake
cascaded
channeling
enlarges
dig-in
facies
homemade
hypermutability
steadies
seemed
ll
最新汉译英
鳞
尤拉奎洛风
使飞逝
葫芦科
供给
磁性材料
给
织布法
霞榴正长岩
查获
雷
流霞正长岩
妥
辅
硫铁黑土
真革翅部
戈登
登
鎊
产雌生殖
黄水仙
腐殖质
袖珍计算器
革
居中地
用茅草覆盖
安锑锂明
肝肥大
牝牡
英格兰人
前级真空管线
编目录
被定名
科尔德韦尔
异丁酰胺
饲料甜菜
雌雄异花性
组织凝血酶
两年一次地
四气孔蛛科
粗粒玄武岩
亲眼看到的
辉橄石铁陨石
不十分
霍奇斯取自父名
铁铜齐
随手扔
金钢钻
旧时的