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The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.是什么意思？

The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.

采用光气与对氯苯胺合成对氯苯基异氰酸酯. 收率≥90%.

相关词汇
the isocyanate is by carbonyl chloride and chloroaniline yield

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

isocyanate

n. 异氰酸盐（或酯）；
例句
The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.
采用光气与对氯苯胺合成对氯苯基异氰酸酯. 收率≥90%.

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

carbonyl

n. 碳酰基，羰基；
例句
The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.
表面的类脂物氧化后, 产生许多化合物,包括羟基和羰基化合物.

chloride

n. 氯化物，〈口〉漂白粉；
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.

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。

chloroaniline

n. 氯苯胺；
例句
Isocyanic acid p - chlorophenyl ester was obtained with triphosgene and p - chloroaniline as raw materials.
以对氯苯胺和三光气为原料,合成对 氯苯 异氰酸酯.

yield

vt. 屈服，投降，生产，获利，不再反对；vi. 放弃，屈服，生利，退让，退位；n. 产量，产额，投资的收益，屈服，击穿，产品；
例句
Will she yield to growing pressure for her to retire?...
面对要求其隐退的压力越来越大，她会屈服吗？
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
Corporate goal: To make Cisco Systems'name synonymous with the Internet.
公司目标: 使cisco系统公司的名字与因特网一样响亮.
The Koran recommends fasting as a penance before pilgrimages.
《古兰经》劝告人们在朝圣前斋戒，以作为一种补赎。
I have been moved to write a few lines of verse.
我因感动而写下了几句诗。
They used to donate large sum of money to the Red Cross every year.
他们过去每年都向红十字会捐献大笔的钱。
Works are more depositors Beihong Memorial Hall in Beijing.
作品现多存于北京徐悲鸿纪念馆.
The commonplace is just that light , impalpable, aerial essence.
平凡才是一种要素,轻盈 、 无形、难以捉摸.
He put his great foot on the flowerbed.
他的大脚踩在花坛上.
Every year we have charity days to raise money for unfortunate people.
每年我们都有慈善日来筹款帮助贫困人群。
He rejected the old records.
他丢弃了那些旧唱片。
He confided to me that he felt like he was being punished.
他向我诉说他觉得自己像是在受罚。