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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；
例句
Have you been able to have any kind of contact?...
你联系上了吗？

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。

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.

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

diphenylmethane

n. 二苯基甲烷；
例句
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.

diisocyanate

n. 二异氰酸盐（酯）；
例句
Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.
六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.

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。
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 main component of experiment equipment of coherent harmonic radiation in Hefei is optical klystron.
合肥相干谐波辐射实验装置的主体部分是光学速调管.
The engine stalled...
发动机突然熄火了。
Mix the ingredients and pour over the mushrooms...
将配料搅拌均匀浇在蘑菇上。
Embryos successfully attached themselves to the walls of these laboratory wombs and began to grow.
胚胎成功地附着在这些子宫的宫壁上,并开始生长.
The opening chapter gives a brief historical overview of transport.
第一章是运输史的简要回顾。
He was startlingly handsome.
他帅气逼人。
Darwin was born in 1809 at Shrewsbury, where he went to school.
达尔文于1809年生于舒兹伯利,在那里上的中小学.
The music evokes the song's name, revolving around three circling and falling piano arpeggios.
旋律照应了歌曲名, 一直围绕着三个重复的钢琴下行琶音.
Gastric juice is a kind of acidic achromaticity fluid. It is very important for food transportation.
胃液是一种无色而呈酸性反应的液体,它对食物的输送具有重要的影响.
Beyond plan of children vaccinate vaccine even what want have an inoculation?
儿童预防接种疫苗程序表以外的还要哪些要接种的 吗 ?