Microstructure and glass transition temperature of star-shaped styrene-isoprene-butadiene copolymer prepared with N-multi-Li initiator;
氮官能化多锂引发合成星形苯乙烯-异戊二烯-丁二烯共聚物的微观结构和玻璃化转变温度
The results show that the products were star-shaped dendritic PbS single crystals in cubic phase, and the six arms of the star extended along the six <100> directions.
在CTAB(十六烷基三甲基溴化铵)的辅助下,以醋酸铅和硫代乙酰胺为原料,在80℃的水热条件下反应5h制备了星形树枝状的硫化铅纳米晶,并用XRD、TEM、SAED、SEM对产物进行了表征。
Star-shaped polylactide was synthesized by means of melt polycondensation,with L-lactic acid (LLA) as raw material,pentaerythritol (PET) as branched agent,SnCl_2 and p-toluenesulfonic acid (TSA) as catalysts.
以L-乳酸为原料,季戊四醇为支化剂,使用氯化亚锡和对甲苯磺酸复合催化剂,采用熔融缩聚法合成了星形支化聚乳酸。
Star and Dendritic Ferrocenyl Poly (metallocenes);
星形和树枝状二茂铁基聚合物
is article presents the equivalent replacement formulas for solving complicated ventilation network by introducing the equivalent replacement principle of delta-star connection in complex circuits to the study of mine complicated ventilation network and has been applied successfully.
把复杂电路中三角形与星形联接等效变换原理引入矿井复杂通风网络的研究,导出解复杂风网的等效变换公式,并运用成功。
The article discusses the synthetic method of star-like and Amphiphilic Star Copolymers separately.
作为一种特殊结构的非线形聚合物,星形和星形杂臂共聚物具有其特殊的性能,对星形和星形杂臂共聚物的合成分别作做了较详细的论述。
I'm a star, I'm a star,
我是星形，我是星形，
A yellow star, a yellow star.
黄色的星形，黄塞的星形。
Circles, stars, hearts and squares.
圆形，星形，心形，和正方形。
I like diamonds, stars, and hearts.
我喜欢菱形、星形，和心形。
spider bow [for well drilling machines]
星形斗[钻井机用]
star-delta switching starter
星形三角形切换启动器
y delta connection
星形 三角形连接法
Design, Synthesis and Characterization of Star Polymers, Miktoarm Star Copolymers and Dendrimers;
星形、星形杂臂及树形聚合物的设计、合成及表征
horizontal cell
水平细胞,星形[胶质]细胞
delta star transformation
三角 星形接线变换
hour star jumper eccentric
时星形轮跳杆偏心销
elliptical coma
【光】呈楠圆的彗星形像差
What color is the star?
这个星形是什么颜色？
horizontal star
横式星形架（平幅洗涤用）
Solomon's seal
六角星形(驱曹邪的魔符)
fibrous astrocyte
纤维性星形胶质细胞
Of, relating to, or formed by a meteoroid.
流星（体）的属于、关于流星体的或由流星体形成的
a global cluster in the constellation Centaurus.
人马星座中的星组成的球形串。
