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Synthesis of n - butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.是什么意思?
Synthesis of n - butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.
以磷钨酸和磷钨酸铝为催化剂,用乳酸和正丁酸合成了乳酸正丁酯.
相关词汇
synthesis
of
butyl
lactate
is
catalyzed
by
acid
and
aluminium
synthesis
n. 综合,<化>合成,综合体,综合推理;
例句
His novels are a rich
synthesis
of Balkan history and mythology...
他的小说融合了大量巴尔干半岛的历史和神话故事。
of
prep. 关于,属于…的,由…制成;aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
例句
He did have a real knowledge
of
the country...
他对该国的确知之甚多。
butyl
n. 丁基,丁基合成橡胶;
例句
The degraded starch and acrylamide -
butyl
acrylate copolymer have been produced.
本文制得了异相酸降解淀粉和丙烯酰胺 — 丙烯酸丁酯共聚物.
lactate
vi. (指哺乳动物)分泌乳汁;n. 乳汁分泌,哺乳(期);
例句
Ethyl
lactate
was synthesized with sodium bisulfate.
采用硫酸氢钠为催化剂合成乳酸乙酯.
is
vt.& vi. 是(be的三单形式;n. 存在;
例句
Bollinger 'RD'
is
a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。
catalyzed
v. 催化,促进( catalyze的过去式和过去分词 );
例句
It had been known for some time that chemical reactions can be
catalyzed
by materials with large surface areas...
人们早已知道,如果材料的表面积足够大,可引起催化反应。
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;
例句
...expensive make-up that we saw being advertised
by
a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品
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。
aluminium
n. 铝;adj. 铝的;
例句
...a cylindrical
aluminium
container...
圆柱形铝制容器
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 mandatory retirement age of 65...
65岁的法定退休年龄
We believe the time and hard work involved in completing such an assignment are worthwhile...
我们认为完成这项任务所必须付出的时间与辛苦都是值得的。
For example : Left wing - to - body fairing seal is inconsistent in relation to fuselage.
左大翼 - 机身整流罩封严胶不均匀.
'Hang on a bit,' said Eileen. 'I'm not finished yet. Give us a chance.'
“等一下,”艾琳说,“我还没做完呢。给我个机会吧。”
Clean clothes and good manners are prepossessing.
清洁的衣服和良好的举止能给人以好感.
She let him out of the house.
她让他出了屋子。
There is a bus passing through the Brenner Pass every day.
每天都有一辆穿过布里纳山口的公共汽车。
The bamboo huts here are all built on stilts.
这里的竹楼都是架空的.
We have not as yet received a response.
我们还未收到回复。
The ground was horizontal to the flagpole.
旗杆直竖在地面上.
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oversees
channel
simple
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blacked
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Tuesday
today
here
Make
any
at
they
by
biology
gluttonous
i
now
robin
events
acquaintance
phrases
l
Ming
A
learned
want
热门汉译英
银币
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用漫画手法描绘
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认识到
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绘制地图
保持联系
受监视的
毁坏或亵渎
送
现代主义者
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来
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打量
进去
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下沉
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极其著名的
传统式样的
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慷慨地做某事
飘荡
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令生气
长时间
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史料编纂者
反弹
最新汉译英
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shifted
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最新汉译英
特别指出
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超低空飞行
使完整
偷
受监视的
有性别的
专题论文集
如聚苯乙烯
史诗般的作品
无瑕可谪
盾形奖牌
罪犯有组织的
专科全书
行列式
超凡的个人魅力
卫矛羰碱
保持联系
咬紧牙关
像小妖精的
一回
自学的艺术家
发作性的
给安鬃毛
史料编纂者
品质优良的
治安推事
非生产性的
享乐主义
前期
列于表上
违背
拥挤
强烈反对某事物的
箱状物
主动建议
宴请
像熊一样的
明白无误的
杜鹃花目
深赤褐色的
狂热的诗
慎重拟定
石墨
转接板
做滑稽动作
周期
顺利