1.
THE EXTRACTION OF LANTHANIDES WITH 4-TERT-BUTYLBENZO-15-CROWN-5 AND 4-BROMOBENZO-15-CROWN-5
用4-叔丁基苯并-15-冠-5及4-溴苯并-15-冠-5萃取镧系元素
2.
Synthesis of the novel bis(benzo-15-crown-5)
一种新的双(苯并-15-冠-5)的合成
3.
STUDIES ON BIS(CROWN ETHER)S--Ⅰ.SYNTHESIS OF THREE NEW TYPES OF BIS(4′-BENZO-15-CROWN-5)S
双冠醚的研究——Ⅰ.三个新类型双(4′-并苯-15-冠-5)冠醚的合成
4.
Study on Benzo-15-crown-5 as a Stationary Phase for Gas Chromatography
苯并-15-冠-5作为气相色谱固定液的研究
5.
Synthesis and study on anion recognition of 4'-sulfonylhydrazide benzo-15-crown-5
4′-磺酰肼苯并-15-冠-5的合成及阳离子识别研究
6.
Studies on Bis(crown ether)s. Ⅳ. Mass Spectra of Three Types of Bis(4′-benzo-15-crown-5)s
双冠醚的研究Ⅳ.三种类型双(4′-苯并-15-冠-5)的质谱
7.
Synthesis, Characterization and Anion Recognition Properties of Side-armed Benzo-15-crown-5 Derivatives;
苯并-15-冠-5侧臂冠醚衍生物的合成、表征及阴离子识别性质
8.
Syntheses and Properties of Sodium Iodide Thiocyanate with 4′-nitrobenzo-15-crown-5-Solid Coordination Compounds
碘化钠、硫氰化钠与4′-硝基苯并-15-冠-5固态配合物的合成与性质
9.
Studies on Coordination Behavior Between Dy (NO_3)_3·3H_2O and Crown Ether B15C5 in Acetone
三水硝酸镝与苯并-15-冠-5在丙酮中配合行为的研究
10.
Synthesis and Ion Recognition Properties of Benzo-15-Crown-5 Sulfonylhydrazide Derivatives
苯并-15-冠-5磺酰肼衍生物的设计合成及其离子识别性能研究
11.
Study on the Synthesis Methods of Thiosemicarbazone Derivatives of Benzo-15-crown-5
苯并-15-冠-5缩氨基硫脲类化合物的合成方法研究
12.
THE SYNTHESIS OF 4 - ACETYLSEMICARBAZONYL B15C5;
4 ──乙酰基缩氨脲基苯并15冠5的合成
13.
En. Quarter of an hour ago - about 5: 15.
一刻钟之前??大约5: 15。
14.
The floating range of guidance pricing was generally 5 per cent to 15 per cent.
浮动幅度通常为5％～15％。
15.
Add up 4,5 and 6 you'll get 15.
把4、5、6相加总数是15。
16.
The children's ages range from 5 to 15 [between 5 and 15].
孩子们的年龄从5 岁到15 岁[在5 岁和15 岁之间)。
17.
Results: Followed up between5 months and2 years, no case recurred.
结果:15例均治愈,随访5个月~年无复发。
18.
A reception was held to mark the colsing of the fair on May15.
5月15日为交易会闭幕举行了招待会。