分析聚四氢呋喃供求关系现状，对市场需求进行了预测。
To analyze the market situation of PTMEG at home and abroad.
聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。
Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).
当聚四氢呋喃二醇与癸二醇的重量配比小于70/30时，共聚物具有明显的液晶性。
These polymers were found to be liquid crystalline when the feed ratio of poly(oxytetramethylene)glycol to 1,10-decanediol was less than 70 to 30.
根据ZL型水泵的水轴承工作条件，提出利用填充聚四氯乙烯作为水轴承材料，并介绍轴承的结构设计。
The filled PTFE was suggested to be used as the material of water bearing of ZL type water pump in consideration of its working conditions, The paper also deals with the structural design of bearing.
以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。
Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
取以杂多酸为催化剂，一步法合成聚四亚甲基醚醇(PTMG)，对影响聚四亚甲基醚醇单程收率的各因素进行了讨论。
Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.
采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
有证据显示那个通道由同源四聚体或异源四聚体构成的络合物。
There are evidences that channel is constructed by homotetramer or hereotetramer, GIRK1 -GIRK4 subtype express in different locus of central nervous system (CNS) of animals.
它们还有六组眼睛，聚生在其钟状物的四周。
They also have eyes grouped in clusters of six on the four sides of their bell.
犹大也必在耶路撒冷争战。那时四围各国的财物，就是许多金银衣服，必被收聚。
And Judah also shall fight at Jerusalem; and the wealth of all the heathen round about shall be gathered together, gold, and silver, and apparel, in great abundance.
主万军之耶和华说，我要使恐吓从四围的人中临到你们。 你们必被赶出，各人一直前往，没有人收聚逃民。
Behold, I will bring a fear upon thee, saith the Lord GOD of hosts, from all those that be about thee; and ye shall be driven out every man right forth; and none shall gather up him that wandereth.
下个月，《越狱》的演员们将聚到一起开始拍摄第四季。
Next month, the cast of Prison Break will come together to begin filming season 4.
它们都以二聚物或四聚物状态存在。
四位牧师的母亲聚到一起谈论她们的儿子。
The mothers of four priests got together and were discussing their sons.
四位牧师的母亲聚到一起谈论她们的儿子。
Thee mothers of four priests got together and were discussing their sons.
嫌疑奶粉的生产商——三鹿集团，在周四宣布其奶粉成分被一种工业化学物质三聚氰胺污染后，已经取消了700吨的订货。
The producer of the suspect formula, the Sanlu Group, recalled 700 tons of its formula after determining on Thursday that it had been contaminated with melamine, an industrial chemical.
化合物4和5为新的白藜芦醇四聚体，化合物1 ~3为首次从该植物中分得。
Compounds 4, 5 are new resveratrol tetramers, compounds 1-3 were isolated from this plant for the first time.
第四，本文引入了基于相关性匹配与模板队列相结合的聚类模板技术。
Fourthly, cluster template which combine template queue with correlation match is introduced.
框架由四部分组成：图像输入阶段、图像特征处理阶段、聚类择优阶段和最后的分割结果。
There are four part of it: image input, dealing with image feature, clustering and choosing the best and output the result.
在聚源，离成都30公里的地方，我们终于停下来四处看看。
In Juyuan, about 30 minutes outside of Chengdu, we finally stopped to look around.
很多蛋白质尤其是酶类，是低聚物，因此拥有四级结构。
A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
简要介绍了灰色理论的基本原理及灰关联分析、灰色聚类、灰色预测、灰色建模四种基本方法。
This paper discusses mainly the principal of Grey Theory and the method of relational grade analyses, Grey clustering, Grey prediction and Grey modeling.
结果表明，锆原子在胶体中是以氢氧化锆四聚物的形式存在的，纳米氧化锆是四聚物脱去质子进一步缩聚的结果。
The results show that the zirconium atom exist as tetramer in sol and the nano zirconia is the product of deprotonation and polymerization of the tetramer.
结果表明，锆原子在胶体中是以氢氧化锆四聚物的形式存在的，纳米氧化锆是四聚物脱去质子进一步缩聚的结果。
The results show that the zirconium atom exist as tetramer in sol and the nano zirconia is the product of deprotonation and polymerization of the tetramer.
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