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- 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)。
- 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
- 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 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;
- 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 whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。
- 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
- 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 Bisamide type azacrown ethers;Synthesis;Mass spectra.; 双酰胺型氮杂冠醚;合成;质谱;
- Today's news goes into the ether and is soon forgotten. 今天的新闻广播听後不久即置於脑後了。
- It was once believed that light waves traveled through the ether. 人们曾经相信光波在以太中穿过。
- Ether was used formerly to put a patient to sleep before an operation. 从前人们在手术前用乙醚来使病人昏睡。
- The hospital smelled of formaldehyde and ether. 医院里充满甲醛和乙醚的味道。
- He went off at the first whiff of ether. 他一吸入醚就失去知觉。
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海词词典，十七年品牌
