1)  expansion factor
扩张因子
1.
In this numerous reported on properties for ring shaped polymers in dilute solution never fund the information of relationship between expansion factor and molecular weight for ring shaped polymers.
在εｒ＝εｌ的条件下，导出了环型和线型高分子的扩张因子比为ｇα２ｓ＝１和均方回旋半径比为ｇｓ，θ＝ｇｓ＝ｇＫ′＝ｇＫ′θ＝０。
2)  vasodilators
血管扩张因子
3)  expand
扩张
1.
Treatment effect of submental artery skin flap and expanded cervical flap on chin scar;
颏下动脉皮瓣联合颈部扩张皮瓣修复颏部瘢痕
2.
The harmonious request and countermeasure of university culture construction against the background of expanding higher educaiton;
高等教育扩张背景下大学文化建设的和谐要求与对策
3.
From 1930s, the United States political system of "Separation of Powers" has change greatly with the presents drastic power expanding.
20世纪30年代以来,美国的"三权分立"政治体制发生了变化,总统权力获得了急剧扩张,总统逐渐成为美国的权力中心。
4)  Expansion
扩张
1.
Spatial and Artistic Conception Expansion--Imaging the Big from the Small in Chinese Classical Garden;
空间与意境的扩张——中国古典园林中的以小见大
2.
Advice on supervised countermeasure of built-up land expansion in China;
完善我国建设用地扩张监控措施的建议
5)  dilation
扩张
1.
Microwave tissue coagulation combined with "Savary-Gilliard" rod dilation via endoscopy in the treatment of anastomotic-stenosis after esophageal and/or gastric cardiac cancer operation;
内镜下微波灼扩联合探条扩张治疗食管癌/贲门癌术后吻合口狭窄
2.
2)mm before dilation and(9.
方法:25例食管贲门失弛缓患者,其中Boston专用球囊导管扩张术组(A组)15例;内镜下注射A型肉毒毒素组(B组)10例。
3.
(2) Dilation group; Dilating the cardiac sphincter with Rigiflex dilation balloon under endoscopies.
目的 了解经内镜气囊扩张和肉毒毒素注射2种方法治疗贯门失弛缓症后食管动力的改变。
6)  Dilatation
扩张
1.
A comparison of temparary placement of expandable stent and balloon dilatation in treatment of anastomotic steruosis after operation on esophagus or preventriculus cancer;
暂时性金属支架扩张与水囊扩张治疗食管、贲门癌术后吻合口良性狭窄的对比研究
2.
Implementation of percutaneous dilatational tracheostomy on neurosurgical coma patients;
经皮扩张气管造口术在神经外科昏迷病人中的应用(英文)
3.
Experiment on offering local skin flap field after dilatation of free skin graft field;
游离皮片受区扩张后作为任意皮瓣供瓣区的实验报告
参考词条
补充资料：扩张因子
分子式：
CAS号：

性质：又称扩张因子。高分子链在溶剂中扩张的程度，常用α来描述。Α是无因闪的量，它的值与温度、溶剂性质、聚合物分子量、溶液的浓度等有关。α>1，聚合物分子链在溶液中扩张，则此溶剂是该聚合物的良溶剂。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。