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Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.是什么意思?
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.
摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.
相关词汇
diisopropyl
was
synthesized
from
acid
and
isopropanol
with
methyl
as
catalyst
diisopropyl
n. 二异丙基;
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。
synthesized
--
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.
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
acid
adj. 酸味的,尖刻的,酸的,酸性的;n. <化>酸,酸味物质;
例句
This comedy of contemporary manners is told with compassion and
acid
humour.
这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。
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。
isopropanol
n. 异丙醇;
例句
Diisopropyl succinate was synthesized from succinic acid and
isopropanol
with p - methyl benzenesulfonic acid as catalyst.
摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.
with
prep. 和,跟,随着,关于,和…一致;
例句
A waiter entered
with
a tray...
侍者端着托盘进来了。
methyl
n. 甲基,木精;
例句
The extraction mechanism of palladium in chloride system by di ( 1 -
methyl
heptyl ) acetamide ( N _ ( 503 )) has been studied.
本文研究了N, N二 甲庚基乙酰胺 ( N_ ( s03 ) )从氯化物体系中萃取钯的机理.
as
adv. 同样地,一样地,例如;prep. 作为,以…的身份,如
例句
As
far
as
I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。
catalyst
n. <化>触媒,催化剂,〈比喻〉触发因素,促进因素,〈口〉有感染力的人;
例句
I very much hope that this case will prove to be a
catalyst
for change...
我非常希望这起事件能催生变革。
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 fence is so low that even a ten-year-old boy can stride it.
篱笆太矮, 连十几岁的孩子都能跨过去。
The audience broke out into a stormy applause.
观众中爆发出暴风雨般的掌声。
The camera has a shutter speed of one-sixtieth of a second.
这架照像机的快门速度达六十分之一秒。
Unable to resist the siren call of the cards, he withdrew their savings and headed for Las Vegas...
他无法抵挡赌牌的诱惑,便提取了他们的存款前往拉斯韦加斯。
After the inundation , things were scatter about in a mess everywhere.
大水过后, 满处都是狼藉的景象.
If you don't take milk, cheese or yoghurt, other sources of calcium are important.
你要是不喝鲜奶和酸奶,也不吃乳酪,那么其他的补钙来源就很重要了。
When he was sixteen he joined a religious sect.
他16岁的时候加入了一个宗教教派。
Her playing of Chopin delighted the guests.
她演奏肖邦的乐曲使宾客们感到愉快.
Aviation benzine is used at piston aviation engine, use quantity is less.
航空汽油用于活塞式航空发动机, 使用量较少.
The champion was infuriated by the decision...
冠军获得者对这一决定十分恼火。
热门汉译英
simple
channel
oversees
much
inefficient
Chang
events
overcast
persons
mean
resource
christian
excelling
set
erased
acquaintances
model
blacked
devour
slain
quiets
request
ban
neighbors
parts
exemplify
commonest
mm
courses
热门汉译英
同性恋
十字架
两栖动物
虚假
星期三
砍倒
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搽剂
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赤道
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北美
帮手
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通晓两种语言的人
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用卷帆索卷
用戒尺打
叙永石
窥伺
私人雇佣的
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所有的事物
气象
排队
最新汉译英
timid
chow
parsing
parsec
parsed
styled
witching
suffer
wear
lockout
magnify
incite
seized
inspires
dismountability
mahjong
dismount
desynchronize
violation
household
slivers
strobes
ABC
waged
saddest
futurity
evoked
creamy
besotted
最新汉译英
加拿大英语
用钉书钉钉住
自由作家
超平面
清真
可拆性
麻雀牌
做作业
厌恶引起的
起滤波作用
氢解作用
缓慢动作
异体接种
引以为荣的事物
春分或秋分
联锁的
思考者
或削成
先兆的
甘草甙
酗酒者
布兰森取自父名
极长的一段时间
拇囊炎肿切除术
阴极射线致色的
精锐部队的士兵
阴极射线致发光
音乐家或团队的
高尔夫球运动员
去鳞机
去鳞器
心舒期
心脏收缩
心脏舒张
插队
或泉
拦路抢劫
抢劫或搜查的人
当然地
铜牌
秩序
所有的事物
装了甲板的
弹簧支撑的
局部最佳化
急切地抓住
电动机械的
马氏体时效处理
伦理学著作