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Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.是什么意思？

Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.

以单质碘为催化剂合成了环戊酮乙二缩酮.

相关词汇
cyclopentanone ethylene ketal was synthesized with as catalyst

cyclopentanone

n. 环戊酮；
例句
Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.
比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料.

ethylene

n. 乙烯，乙撑；
例句
The blend of acrylate rubber ( ACM ) and ethylene propylene diene terpolymer ( EPDM ) was prepared.
以丙烯酸酯橡胶 ( ACM ) 和三元乙丙橡胶(EPDM ) 为主要原料制备共混材料.

ketal

n. 酮缩醇，缩酮；
例句
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.
以单质碘为催化剂合成了环戊酮乙二缩酮.

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.

with

prep. 和，跟，随着，关于，和…一致；
例句
A waiter entered with a tray...
侍者端着托盘进来了。

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。
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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。
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The missile control system composed of two pares, the controller and the controlled object.
粗略地看,导弹控制系统都是由控制器和被控对象两大部分组成的.
I paid scant attention to what she was saying.
我没大注意她在说什么。
And this is something that we are just going to increase year after year , after year.
这就是我们年复一年所增加的东西.
Scientists should be literate and articulate as well as able to handle figures...
科学家除了要能处理数字，还应该具有文学素养和善于表达。
Sir Geoffrey had no personal animosity towards the Prime Minister.
杰弗里爵士对首相并无私人恩怨。
He is talking with a naturalist.
他正在和一位自然主义者交谈。
a few scattered settlements
几个分散的村落
Along the northern coast of this continent, there are many crags.
沿该大陆的北海岸线上有许多峭壁.
HED has certain clinical feature, especially about its skin lesion.
HED有其一定临床特点, 皮损具有典型特征.
Leatherdale was hit resoundingly on the side of the head.
莱瑟戴尔头部一侧遭到响亮的一击。