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Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.是什么意思?
Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.
以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.
相关词汇
menthol
was
obtained
from
lemon
eucalyptus
oil
via
cyclization
and
catalytic
hydrogenation
menthol
n. 薄荷醇,薄荷脑;
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;
obtained
v. 获得( obtain的过去式和过去分词 ),买到,(规则、制度、习俗等)存在,流
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];
lemon
n. 柠檬,柠檬树,柠檬黄;adj. 柠檬色的;
eucalyptus
n. 桉树,桉属植物;
oil
n. 油,石油,油画,燃油;vt. 给…加油;vi. 化成油;
via
prep. 经过,通过,凭借,取道;
cyclization
n. 环化(作用),成环;
and
conj. 和,与,而且,于是,然后,因此;
catalytic
adj. 接触反应的,起催化作用的;n. 催化剂,刺激因素;
hydrogenation
n. 加氢,氢化(作用);
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。
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。
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。
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 figures marked the final low point of the present economic cycle.
这些数据显示了目前经济周期的最低点。
Cyber environment has promoted the development of Compositional Teaching.
网络环境促进了作文教学的发展.
The control now offers a greater number of possibilities for customization.
现在的操纵方式提供更多的让玩家定制的可能性.
Grape pip extract is taken from red grapestones and the main component is pro - cyanidin.
葡萄籽萃取自红葡萄种子,最主要的成份是前花青素.
Commonly used cuttage, engraft and layering are progenitive, also can sow.
常用扦插.嫁接和压条繁殖, 也可播种.
She wasn't beautiful. But she was kind of cute.
她不漂亮。但她有几分可爱。
Cyanamidealsocyanamid: a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.
“氨基氢: 一种腐蚀性的酸性晶体化合物, NHCNH,可通过硫酸作用于氢氨化钙制取.”.
In this paper a hybrid fuzzy - repetitive control scheme for 400 Hz constant - voltage constant - frequency ( CVCF ) inverters is presented.
针对400Hz恒压恒频 ( CVCF ) 逆变器,提出了一种模糊 - 重复混合控制方案.
Enthusiasts say their timeless appeal is largely down to their cuteness.
热衷者说它们永恒的吸引力很大程度上是依赖于他们的娇小可爱.
A liquid chromatograph - mass spectrometric method for the determination of sodium cyclamate in food had been established.
建立了食品中甜蜜素的液相色谱 - 串联质谱测定方法,研究了不同提取溶剂的影响.
The object is no longer in cyclic motion.
这物体已不再循环运动。
Clinton's skin, you cannot see any jaundice or cyanosis.
再观察他的皮肤, 无黄疸和发绀.
The object is no longer in cyclical motion.
这物体已不再循环运动.
a pair of wire-cutters
一把钢丝钳
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星球的
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成功击中
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bruin
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最新汉译英
鳞
尤拉奎洛风
使飞逝
葫芦科
供给
磁性材料
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两年一次地
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亲眼看到的
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不十分
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铁铜齐
随手扔
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旧时的