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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
Dingus tries to stir up more trouble and get involved with the pale, baby - talking Indian, Anna.
没想到马吉胆大包天,还会回头抢夺镇长的巨款,而霍克也想趁机分得一杯羹.
But she smiled instead and the dimple crept into her cheek.
但她还是装出满脸笑容,一副逗人怜爱的模样.
There are many ways of generating a two - dimensional representation of an object.
有很多制作物体二维图的方法.
Dinitrophenol, when applied to the leaf, reduced sucrose transport.
当二硝基酚施于叶子时, 减少了蔗糖的的运输.
Product Information: Bar Stools, Chairs, Dinette Sets , Kitchen Stools , RTA Furniture, Wooden Stools.
主营产品: 酒吧凳子, 椅子, 小餐室的餐桌和椅子, 厨房凳子, 和木制凳子等家具.
I love her face which usually grows dimply with joy.
我爱她常因快乐而展现酒涡的脸.
The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.
后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.
One dip into the bottle should do an entire nail.
往瓶子里蘸一下的量就应该能涂满整个指甲。
His mother senses a nearby predator, but it's not the dingo.
它的妈妈感觉到附近有捕食者, 但不是野狗.
The most appealing part of all is the diorama the end of the exhibition.
整个展示中最吸引我的地方,是展示末的造景.
Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.
烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.
...despite a slight diminution in asset value.
尽管资产价值略有减少
Aim To determine ronidazole metronidazole and dimetridazole in egg simultaneously.
目的研究测定鸡蛋中罗硝唑、甲硝哒唑、迪美唑方法.
" 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.
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