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They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.是什么意思？

They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.

即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.

相关词汇
they are acrylaldehyde hydration ethylene oxide formylation and biological zymolysis methods

they

pron. 他/她/它们，人们，大家，政府，当局，她们；
例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

acrylaldehyde

n. 丙烯醛；
例句
They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.

hydration

n. 水合，水合作用，水化；
例句
Experimental results showed that the hydration of acrolein possessed the characteristic of consecutive irreversible first - order reaction.
实验结果表明,丙烯醛的水合具有一级串联不可逆的特征.

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.

oxide

n. [化]氧化物；
例句
Nitric oxide scavenger ( N - acetylcysteine ) could recover the inhibition effect of sodium nilroprusside.
ON清除剂N - 乙酰 半胱氨酸 能明显清除硝普钠的抑制效应.

formylation

甲酰化；
例句
They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.

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。

biological

adj. 生物学的，生物的，与生物学相关的，有血亲关系的；n. [药]生物制品，生物制剂；
例句
The living organisms somehow concentrated the minerals by biological processes...
生命体通过某种生物过程聚集矿物质。

zymolysis

--
例句
They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.

methods

n. method的复数：方法，方法( method的名词复数 )，方法论，教学法，分类法；
例句
The old methods weren't adequate to meet current needs...
老一套方法已不足以满足当前的需要。
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
High on the list of public demands is to end military control of broadcasting...
高居公众呼声前列的是要求结束军方对广播电视的控制。
Blackbirds and thrushes are songbirds.
黑鹂和鸫.
...Barbara Johnson, that champion of radical feminism.
芭芭拉·约翰逊——激进女权主义的捍卫者
a redoubtable enemy
可怕的敌人
I'll give you a fourpenny one if you do not behave better.
你再不听话就给你一巴掌.
He asked for a glass of port after dinner.
晚饭后，他要了一杯波尔图葡萄酒。
Your baby is shaping well.
你的宝宝发育良好。
The house has an absentee landlord, who visits the property once a year.
这栋房子的房主不在这儿住，一年过来一次。
Each film gets a snappy two-line summary.
每部影片都配有简洁明快的双行内容提要。
Girls embarrass easily.
女孩子遇事容易感到局促不安。