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Keywords azacrown ether;Schiff's base macrocyclic complex;template synthesis; 氮杂冠醚;西佛碱大环配合物;模板合成;
Keywords azacrown ether;lanthanide complex;synthesis;characterization; 氮杂冠醚;镧系配合物;合成;表征;
A new type of azacrown ether crosslinked chitosan was synthesized by reaction of chitosan with dihydroxy mesocyclic diamine activated by epoxidation. 以壳聚糖为原料，与经环氧活化的双羟基中环二胺反应，制备了一种新型的氮杂冠醚交联壳聚糖。
The classifications,synthesis,and application of the open chain azacrown ether compounds and their analogues have been reviewed in this paper. 从分类、合成及应用等方面概述了近年来氮杂冠醚及其类似物的研究进展。
The parent azacrown ether 1,10-dioxa-4,7,13,16-tetraaza-18crown-6(L1) and its two acetic ether armed-derivatives(L2 and L3) were synthesized and characterized. 合成和表征了1,10-二氧-4,7,13,16-四氮杂18-冠-6(L1)母体及其两种乙酸乙酯臂式衍生物(L2,L3)。
Keywords tricyclic structure;azacrown ether;lanthanid;complexes;syntheses; 三环结构;氮杂冠醚;稀土配合物;合成;
Keywords tricyclic azacrown ether;carboxylic acid derivative;crystal structure; 三环氮杂冠醚;羧酸衍生物;晶体结构;
In this paper we prepared a series of azacrown ethers with side chains of tropone rings and their derivatives by the reactivity of seven-membered aromatic tropone rings. 本文利用七元芳香卓酮环的反应活性，合成出了一系列以卓酮环及其衍生物为侧臂的氮杂冠醚。
Keywords Cottan stalk cellulose;Azacrown ether cellulose;Anion exchanger;Ion exchange; 棉杆纤维;氮杂冠醚化纤维素;阴离子交换剂;离子交换;
Keywords HPLC;Azacrown ether bonded phase;Complex metal ion;Disubstituted benzene derviatives; 高效液相色谱;氮杂冠醚键合固定相;络合金属离子;二取代苯衍生物;
Keywords Azacrown complexes;Preparation;Infrared specta; 氮杂冠醚配合物;制备;红外光谱;
Synthesis and properties of novel azacrown ether resin 新型氮杂冠醚树脂的合成与吸附性能研究
Keywords Bisamide type azacrown ethers;Synthesis;Mass spectra.; 双酰胺型氮杂冠醚;合成;质谱;
Synthesis and characterization of azacrown ether containing sulfur ring and its transition metal complexes 硫氮杂冠醚大环配体及其过渡金属配合物的合成与表征
THE SYNTHESIS AND CHARACTERIZATION OF RARE EARTH COMPLEXES OF TRICYCLE AZACROWN ETHER DERIVATIVE 三环氮杂取代冠醚配体及配合物的合成与表征
chiral azacrown ether 手性氮杂冠醚
vinyl azacrown ether 氮杂冠醚
azacrown ether 氮杂冠醚
Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。