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Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 - dichlorobutane and sodium sulfide.是什么意思?
Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 - dichlorobutane and sodium sulfide.
以1, 4- 二氯丁烷和硫化钠为原料,碘为催化剂,乙醇为溶剂合成了四氢噻吩.
相关词汇
was
synthesized
using
iodine
as
catalyst
from
dichlorobutane
and
sodium
sulfide
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.
using
v. 使用( use的现在分词 ),利用,耗费,吸(毒);n. 使用,利用,用途,使用权;
例句
The segments are filmed
using
either local actors or the actual people involved...
这些片断是由当地的演员或真实的当事人参与拍摄的。
iodine
n. <化>碘;
例句
In medicament industry,
iodine
has huge effect for antisepsis and antisepticise.
在医药中, 碘具有很大的消毒、防腐作用.
as
adv. 同样地,一样地,例如;prep. 作为,以…的身份,如
例句
As
far
as
I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。
catalyst
n. <化>触媒,催化剂,〈比喻〉触发因素,促进因素,〈口〉有感染力的人;
例句
I very much hope that this case will prove to be a
catalyst
for change...
我非常希望这起事件能催生变革。
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
dichlorobutane
n. 二氯丁烷;
例句
Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 -
dichlorobutane
and sodium sulfide.
以1, 4- 二氯丁烷和硫化钠为原料,碘为催化剂,乙醇为溶剂合成了四氢噻吩.
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。
sodium
n. <化>钠(11号元素,符号 Na);
例句
...an aqueous solution containing various
sodium
salts.
含各种钠盐的水溶液
sulfide
n. <化>硫化物;
例句
They'd have a lot of hydrogen
sulfide
gas bound up in their cells.
他们的牢房里有大量的硫化氢气体。
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
a leaflet on local places of interest
有关当地名胜的小册子
They turned through the gateway on the left.
他们穿过出入口向左转去。
Last season both Duff and Lennon crossed nearly 200 balls between them.
上个赛季,达夫和列农都有近200个传中.
The parties must now go through the tortuous process of picking their candidates.
各政党现在必须进行挑选各自候选人这一迂回复杂的程序。
I detest people who tell lies.
我恨说谎的人.
Confucian philosophy reveres the teacher above all.
儒家哲学最讲究尊重师长.
Police officers fear invidious comparisons...
警官担心会进行不公正的比较。
One day she saw his bi - lingual name cards and howled with laughter.
一天,她看到了他的双语名片,哈哈大笑.
Her book is not without autobiographical meaning.
她的书不无为自己作传的意图。
Suspected insurgents ambushed a NATO convoy in southern Afghanistan overnight Monday.
周日晚,疑似武装份子在阿富汗南部埋伏了北约的一支车队.
热门汉译英
oversees
channel
simple
top
widened
inefficient
blacked
much
Tuesday
today
here
Make
any
at
they
by
biology
gluttonous
i
now
robin
events
acquaintance
phrases
l
Ming
A
learned
want
热门汉译英
银币
跳绳
用漫画手法描绘
瓶颈
认识到
押韵
切成薄片
绘制地图
保持联系
受监视的
毁坏或亵渎
送
现代主义者
大学生
疲惫
转接板
来
西洋李子树
谈情说爱
用马栉梳
独裁政体
违背
连接词省略
打量
进去
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二糖
你自己
听写
下沉
阿德莱德
亚麻
极其著名的
传统式样的
唱歌的人
自命不凡者
中地形
带鱼
公式
慷慨地做某事
飘荡
叙述手法
在船上工作
被压制的
令生气
长时间
浇铸的
史料编纂者
反弹
最新汉译英
manifests
tempers
undertakes
fault
lei
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thrusts
gestured
emerged
inundate
slain
amazing
solemn
ABI
scratched
chow
modern
blackcock
discord
pushes
cool
dog
lice
chapter
shifted
astringed
effable
friend
legends
最新汉译英
特别指出
铲形部份
卷心菜丝
超低空飞行
使完整
偷
受监视的
有性别的
专题论文集
如聚苯乙烯
史诗般的作品
无瑕可谪
盾形奖牌
罪犯有组织的
专科全书
行列式
超凡的个人魅力
卫矛羰碱
保持联系
咬紧牙关
像小妖精的
一回
自学的艺术家
发作性的
给安鬃毛
史料编纂者
品质优良的
治安推事
非生产性的
享乐主义
前期
列于表上
违背
拥挤
强烈反对某事物的
箱状物
主动建议
宴请
像熊一样的
明白无误的
杜鹃花目
深赤褐色的
狂热的诗
慎重拟定
石墨
转接板
做滑稽动作
周期
顺利