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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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
There is a table of contents in the front of a dictionary.
词典的开头有目录表。
You’ve only nibbled at your lunch.
你午饭只吃了几口。
There was no criticism of her work until after she was downgraded.
在被降职前她的工作从未受过批评。
Several of the lights went out, one after another.
其中几盏灯一个接一个地熄灭了。
After a bit of an argument, he stormed out...
争吵了几句后，他气冲冲地走了出去。
Children get some very funny ideas sometimes!...
小孩子的想法有时候真是稀奇古怪！
The average dark current is often eliminated by means of a zeroing circuit.
平均暗电流常利用调零电路消除.
The carbohydrate matter that is assimilated into the blood stream is used for energy.
被吸收进血液的碳水化合物用作能量.
The energy content and their seasonal variations of Arachnida in arid environment were studied.
研究干旱地区蛛形纲动物的含能值变动规律.
At first, he thought he had mistaken the address.
一开始他以为地址搞错了。