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Epoxidation and oxidation gave the racemic C 18 - juvenile hormone.是什么意思？

Epoxidation and oxidation gave the racemic C 18 - juvenile hormone.

通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.

相关词汇
epoxidation and oxidation gave the juvenile hormone

epoxidation

n. 环氧化作用；
例句
Recent progress on asymmetric epoxidation of alkenes by chiral catalysts was summaries.
综述了手性催化剂催化的不对称环氧化反应研究进展情况.

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。

oxidation

--
例句
Total absorptivity can be up to 98 % using second - order absorption - oxidation process.
采用二级吸收 — 氧化流程,总的吸收率可达98%以上.

gave

v. 给予，赠送( give的过去式 )，（与名词连用描述某一动作，意义与该名词相应的动词相同），供给，交给；
例句
He gave a detailed account of what happened on the fateful night...
他详细描述了那个灾难性夜晚所发生的事。

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。

juvenile

adj. 少年的，幼稚的，年少无知的，幼稚的；n. 青少年，扮演少年角色的演员，少年读物，羽毛未丰的鸟，雏鸟；
例句
...a scheme to lock up persistent juvenile offenders.
将青少年惯犯关入监狱的计划

hormone

n. 荷尔蒙，激素；
例句
Vitamin C has many roles to play in weight control. Firstly, it is needed for hormone production.
维生素C在控制体重方面扮演着多重角色。首先，荷尔蒙的生成有赖于它。
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
The harness room of the barn he had set apart for himself and intimates.
他把马房里的马具间留给自己和好朋友们.
Lectins in haemolymph of Sarcophaga peregrina larvae and pupa were purified by affinity chromatography.
用亲和层析法纯化了棕尾别麻蝇幼虫和蛹血淋巴凝集素.
Slowly, people filed into the room and sat down.
人们排成一列缓慢地依次走进房间，并坐了下来。
The weather is stifling. It looks like rain.
今天太闷热, 光景是要下雨.
Put water, butter and lard into a saucepan and bring slowly to the boil.
把水、黄油和猪油倒入平底锅，然后慢火煮沸。
Dry complexions are replenished , feel soft , firm and smooth to the touch.
缓解肌肤的干燥状况,同时带来柔嫩 、 紧致和光滑的出众效果.
But a concerted effort has begun to improve the quality of the urban air.
但是各方已经开始共同努力改善城镇空气质量。
Somebody must have informed on us...
肯定有人告发我们了。
...the Collins bilingual dictionaries.
柯林斯双语词典
She has a forceful character.
她有坚强的性格。