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Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.是什么意思？

Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.

双乙酸钠和脱氢乙酸钠为两种新型的防腐防霉剂.

相关词汇
sodium diacetate and are two new model preservatives

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

diacetate

n. 双乙酸盐[酯]；
例句
Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.
双乙酸钠和脱氢乙酸钠为两种新型的防腐防霉剂.

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。

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。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我
例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

new

adj. 新的，崭新的，新鲜的，新到的，现代的，初次（听到）的；adv. 新近，最近；
例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

model

n. 模型，模特儿，模式，典型；vt.& vi. 做模特儿；vt. 模仿，制作模型，塑造，将…做成模型；adj. 典型的，模范的；
例句
This basic utilitarian model gives a relatively unsophisticated account of human behaviour...
这个实用的基础模型较为简略地解释了人类的行为。

preservatives

n. 防腐剂( preservative的名词复数 )；
例句
Nitrates are used as preservatives in food manufacture...
硝酸盐在食品加工业中被用作防腐剂。
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 keeps company with all sorts of lazy characters.
他与形形色色的懒人为伍。
I'll answer your questions when I've said my piece.
说完我想说的，我会回答你的问题。
Objectve To conclude the experience on polyacrylamide hydrogel ( PAM - HG ) injection for augmentation mammoplasty in 18 cases.
目的聚丙烯酰胺水 凝胶 注射隆乳18例经验总结.
What do you mean, I've got enough money? I'm as broke as you are.
你是什么意思，我的钱还富余吗？我已和你一样分文不剩了。
The whole universe exists eternally in that one infinite being.
整个宇宙在无限的空间中永生。
There are a number of distinguishing characteristics by which you can identify a Hollywood epic...
好莱坞的史诗大片有着一些与众不同的特点。
The radio is guaranteed for twelve months.
收音机保修12个月。
Mr. Smith is in town; I saw him yesterday.
史密斯先生在城里, 我昨天看见了他。
How could you do it in such a short period of time?...
你是怎么在如此短的时间里做到的？
I'd trust him with my life.
我愿把终身托付给他。