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Carboxymethyl larch tannin was synthesized with larch tannin using chloroacetic acid as etherification agent.是什么意思？

Carboxymethyl larch tannin was synthesized with larch tannin using chloroacetic acid as etherification agent.

以落叶松单宁为原料,氯乙酸为醚化剂,合成了具有表面活性的羧甲基落叶松单宁.

相关词汇
larch Tannin was synthesized with using acid as etherification agent

larch

n. 落叶松（木材）；
例句
...the house at 236 Larch Row.
拉奇街236号的房子

Tannin

--
例句
Full - bodied a solid, good tannin structure and apersistent aftertaste.
酒体丰腴,单宁结实而精致, 回味持久.

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。

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。

acid

adj. 酸味的，尖刻的，酸的，酸性的；n. <化>酸，酸味物质；
例句
This comedy of contemporary manners is told with compassion and acid humour.
这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。

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。

etherification

醚化，醚化作用；
例句
Carboxymethyl larch tannin was synthesized with larch tannin using chloroacetic acid as etherification agent.
以落叶松单宁为原料,氯乙酸为醚化剂,合成了具有表面活性的羧甲基落叶松单宁.

agent

n. 代理人，代理商，药剂，特工；vt. 由…作中介，由…代理；adj. 代理的；
例句
All these years he's been an agent for the East.
这些年来他一直是为东方国家效力的一位间谍。
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
Wisdom in the mind is better than money in the hand
脑中有知识，胜过手中有金钱。
The offices look onto a park.
这几家办公室面对着公园。
They egged each other on to argue and to fight.
他们互相拱火，大打大闹。
Frosts spoil the last of the flowers.
霜冻冻坏了最后一批花朵.
...whereas when you get older you're rather set in your ways, shall I say...
然而随着年纪渐长，可以说，你的大局已定了。
The Illinois House impeaches Governor Rod Blagojevich.
伊利诺斯州议院弹劾州长罗德.布拉戈耶维奇.
As an important organic intermedium with high additional value, it has great potential to be developed.
由于氯乙酰氯是一种重要的有机合成中间体,附加值高, 是一种值得开发的精细化工产品.
The rain was teeming down and she thought she heard a rumble of thunder.
雨下得很大，她觉得她听见了一阵轰隆隆的雷声。
alkaline earth
碱土
The race was a 30 - miler.
比赛赛程30英里.