语文书 / 例句 /

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。
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
He strolled about, look very debonair in his elegant new suit.
他穿了一身讲究的新衣服逛来逛去，显得颇为惬意。
Where is the source of the Nile?
尼罗河发源于何处?
Take into account your own strengths and weaknesses...
考虑一下你自己的优缺点。
If you do something well, give yourself a pat on the back.
事情做得漂亮时，给自己一点表扬。
The error introduced by a finite collimation angle is a systematic one in apparent transmission.
一定准光间所带来的误差是包括在表现透光率中的一种系统误差.
During the time of detention the detainee's food costs shall be paid by himself.
在拘留期间,被拘留人的伙食费由自己负担.
Someone a hand on my handlebar as if to steady my bike.
有人把手放在我的车把上,好像是要稳住我的自行车.
I am looking forward to a long and successful partnership with him.
我期盼着能与他建立长期而有成效的合作关系。
Natsun Trimming & Ironing, Finalizing the Perfection.
40南山整烫, 完美在此定格.
Psychometric testing is simply a way of measuring people's individual talents and capabilities.
心理测试只是一种测量个体才智和能力的方式。