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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.用英语怎么说?
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.
Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.
相关词汇
menthol
was
obtained
from
lemon
eucalyptus
oil
via
cyclization
and
catalytic
hydrogenation
menthol
n. 薄荷醇,薄荷脑;
例句
Inhalations of
menthol
may do the trick.
吸入薄荷醇或许可以起到作用。
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。
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
例句
I had
obtained
the authentic details about the birth of the organization.
我已经掌握了有关该组织诞生的可靠的详细资料。
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];
例句
...an abortive attempt to prevent the current President
from
taking office.
企图阻止现任总统连任的失败尝试
lemon
n. 柠檬,柠檬树,柠檬黄;adj. 柠檬色的;
例句
Boil the chick peas, add garlic and
lemon
juice...
把鹰嘴豆放在开水中煮,并加入大蒜和柠檬汁。
eucalyptus
n. 桉树,桉属植物;
例句
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.
oil
n. 油,石油,油画,燃油;vt. 给…加油;vi. 化成油;
例句
Several magnificent
oil
paintings adorn the walls.
几幅恢宏的油画装点着墙面。
via
prep. 经过,通过,凭借,取道;
例句
Access was
via
a narrow archway.
通道入口是一道狭窄的拱门。
cyclization
n. 环化(作用),成环;
例句
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation,
cyclization
with an overall yield of 8.05 %.
以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%.
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。
catalytic
adj. 接触反应的,起催化作用的;n. 催化剂,刺激因素;
例句
...carbon molecules with unusual chemical and
catalytic
properties.
具有特殊化学性质和催化性的碳分子
hydrogenation
n. 加氢,氢化(作用);
例句
The said catalyst was a good
hydrogenation
catalyst for adiponitrile.
Ni-Al-X 催化剂是己二腈加氢的优良催化剂.
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
All of these are congruent triangles.
所有这些都是全等三角形.
...the writer's use of metaphor.
作者对隐喻的运用
The global topological structure of the biquadratic systems is discussed and their coefficient conditions are given.
讨论了一类齐四次系统的全局结构,并给出了它们的系数条件.
Mrs. Smith, normally a reticent woman, took it upon herself to write to the President.
通常都很沉默的史密斯夫人决定自己给总统写信。
...the artificial line that divides the city.
划分城市的人为分界线
At least one estimate puts the total tab at $7 million.
至少有一个估价把总数定在了700万美元。
Isn't it great to have a real man around, Eunice?
有个男子汉在身边是多棒的事情,不是么尤妮丝?
a very affluent neighbourhood
富人区
Barcelona is the locus of Spanish industry.
巴塞罗那是西班牙工业中心。
...Degas's paintings, pastels, and prints.
德加的油画、彩粉画和版画
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陆
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最新汉译英
promptly
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最新汉译英
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