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The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.是什么意思?
The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.
由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.
相关词汇
the
is
from
ethyl
by
amination
and
elimination
reaction
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;
is
vt.& vi. 是(be的三单形式;n. 存在;
from
prep. (表示时间)从…,(表示原因)因为,(表示来源)来自…,(表示分离)与…分离[隔开];
ethyl
n. 乙荃,乙烷基,乙基;
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;
amination
氨基化,胺化,胺化作用;
and
conj. 和,与,而且,于是,然后,因此;
elimination
n. 排除,除去,根除,淘汰;
reaction
n. 反应,反作用力,反动,保守;
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
These aminated chitosanmicrobeads may be used as novel materials for bio - separation and carriers for enzyme immobilization.
可用作新型固定化酶载体及生化分离材料.
Trial and error revealed that it was best to put in the amide before the epoxide.
尝试和误差法表明,最好在环氧化之前引进酰胺基.
For many years the leading fixatives were the animal products ambergris, civet, musk and castoreum.
多年来,用的较多的固定剂是动物制品龙涎香 、 香猫香 、 麝香、以及河狸香.
In particular, the invention is concerned with amido piperazine derivatives.
具体地说, 本发明涉及酰氨基哌嗪衍生物.
She grinned amiably at us.
她咧着嘴向我们亲切地微笑。
Theresults showed that , under proper conditions , the basic capacity of novel aminated chitosanderivatives was increased significantly.
衍生物的胺基含量明显提高, 碱性增强.
Kinetic parameters of a cyclic amidase with maleimide as the substrate was assayed by HPLC method.
采用高效液相色谱法(HPLC)分析并测定了环二酰胺酶水解马来酰亚胺反应的动力学参数.
Do you really want to go or are you merely being amiable?
你是真的想去呢,还是仅仅为了表示友好?
We gave the gate money to the St John Ambulance brigade.
我们将门票收入都捐给了圣约翰急救队。
This method can be used for quantitative analysis of the alkyl amido phosphate ester.
该法可用于烷基酰胺磷酸酯的定量分析.
Mobile belt tail piecespedestal main girder is a main support of the ambulant components and stageloaders.
自移机尾基架主梁是小车和转载机机头的主要支撑体.
Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.
对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护.
Paseando por la calle, he encontrado a un viejo amigo.
我在街上散步时遇见了一位老朋友.
From 1955, Mickey Mouse Amicability Ambassador of Disneyland, welcoming numerous domestic and foreign visitors.
1955年开始, 米奇老鼠移居迪斯尼乐园做亲善大使, 接待中外名人不计其数.
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热门汉译英
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的呼喊
漂白的
使人怜悯的
铁夹子
怜悯的
最新汉译英
enfranchised
downright
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on
最新汉译英
取消主义者
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来
渎神的言词
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血液稀释
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乘法表