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A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.是什么意思?
A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.
制备了以自制聚醚酯多元醇 、 二异氰酸酯和1, 4- 丁二醇交联剂为原料合成的聚氨酯弹性体,研究了其力学性能.
相关词汇
kind
of
was
synthesized
by
diphenylmethane
diisocyanate
and
kind
n. 〈古〉方式,方法,本质,天性,同类,某类;adj. 仁慈的,体贴的,友善的,好心的,温和,宽宏大量的;
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];
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;
synthesized
--
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;
diphenylmethane
n. 二苯基甲烷;
diisocyanate
n. 二异氰酸盐(酯);
and
conj. 和,与,而且,于是,然后,因此;
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
FAD ( flavin adenine dinucleotide ) A derivative of riboflavin that is a coenzyme in electron - transfer reactions.
黄素腺嘌呤二核苷酸 ( FAD ):核黄素的衍生物,在电子传递反应中是一种辅酶,它作为各种脱氢酶的辅助基团起作用.
The president has accepted a diminution of the powers he originally wanted.
总统已经接受了对自己原本要求的权力进行削减。
Diphenyl carbonate ( DPC ) is an important intermediate in plastic industry.
碳酸 二苯酯是重要的有机中间体,应用于塑料工业.
All mammals are dioecious.
哺乳动物都是雌雄异体的.
" You know that wouldn't bother Dimity,'said Scarlett.
" 迪米蒂是不会计较这些的,你知道, "思嘉说.
Diocesan Inquiry has just been formally opened.
教区列真福品调查只是刚正式展开.
Dionysius actually speaks of the council in the heroic age as composed of nobles ( kratistoi ).
狄奥尼修斯所描述的英雄时代的议事会正是这样由贵族 ( kratistoi ) 组成的.
With that generosity which Aristotle had taught him, Alexander determined to call upon Diogenes.
亚力山大以亚里斯多德教给他的慷慨大度, 决定亲自去拜访戴奥吉尼斯.
I wish I could afford to dine off fresh meat every day.
我要是能天天吃到新鲜的肉就好了.
This diode produces about nine times more radiant power than that one.
这只二级管的耗散功率比那只大8倍.
Let's dine out tonight. I'm too tired to cook.
我太累了,不想做饭, 今晚咱们到外面吃吧.
A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.
制备了以自制聚醚酯多元醇 、 二异氰酸酯和1, 4- 丁二醇交联剂为原料合成的聚氨酯弹性体,研究了其力学性能.
The song of the oyster, though not silenced , was diminuendo amore.
牡蛎之歌, 虽然还未沉寂,已渐唱渐弱.
Dina Powell is the managing director of Goldman Sachs.
迪娜·鲍威尔是高盛集团的常务董事.
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十七个的
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抗叶酸剂
搁于枕上
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有积极性的
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淋巴样细胞
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液态二氧化氮
克里奥尔人的
未特别指定的
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落叶松蕈浸膏
非感情方面的
白色涂料
甲酰四氢叶酸
贸然的
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