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- dibenzo thioxine 吩噻恶
- We also investigated on the physical properties of these dibenzo[g,p]crysene derivatives, which includs UV, PL, CV, and quantum efficiency. 我们也对这些二联苯?衍生物进行一系列的物理性质研究，包括吸收波长、放光波长、量子效率以及循环伏安电位等。
- Two amide type double armed crown ethers containing dibenzo 18 crown 6 unit were synthesized and their structures were confirmed by IR, 1HNMR,MS and elemental analysis. 合成了2个含二苯并-18-冠-6单元的酰胺型双臂冠醚化合物,其结构经IR、1HNMR、MS和元素分析确证,该2个化合物都不具有液晶性。
- WT5"BZ]Diindanone dibenzo 24 Crown 8 has been synthesized. on the conditions of polyphosphoric acid(PPA) as catalyst and solvent,acrylic acid as acylating agent,dibenzo 24 crown 8 being acylated. 以多聚磷酸 (PPA)为催化剂和反应溶剂 ,丙烯酸为酰化剂 ,对二苯并 -2 4 -冠 -8进行酰化 ,成功地合成了双茚满酮型二苯并 -2 4 -冠 -8。
- WT5”BZ]Diindanone dibenzo 24 Crown 8 has been synthesized. on the conditions of polyphosphoric acid(PPA) as catalyst and solvent,acrylic acid as acylating agent,dibenzo 24 crown 8 being acylated. 以多聚磷酸(PPA)为催化剂和反应溶剂,丙烯酸为酰化剂,对二苯并-24-冠-8进行酰化,成功地合成了双茚满酮型二苯并-24-冠-8。收藏指正
- Polychlorinated dibenzo - p - dioxins/furans 二恶英
- polychlorinated dibenzo-- p- dioxins/furans 二噁英
- Keywords dibenzo N pivot lariat crown ether;condensation;synthesis; 二苯型氮支链套索冠醚;缩合;合成;
- Keywords hydrogen peroxide;dibenzo[a;kl]xanthenes;epoxidation;synthesis; 二苯并呫吨;环氧化反应;合成;
- Keywords polychlorinated dibenzo p dioxins and polychlorinated dibenzofurans;dye;chloranil; 多氯代二苯并二口恶口英呋喃;染料;四氯苯醌;
- SYNTHESES OF THE CONDENSATION POLYMERS OF DIBENZO 18 CROWN 6 WITH SEBACIC ACID 周庆业,鹿秀山,宋谋道,张邦华,郝广杰,张莹, 癸二酸-二苯并-18-冠-6共聚物的合成
- Keywords dibenzo 18 crown 6 unit;amide;double armed crown ether;liquid crystal;synthesis; 关键词二苯并-18-冠-6单元;酰胺;双臂冠醚;液晶;合成;
- on the conditions of polyphosphoric acid(PPA) as catalyst and solvent,acrylic acid as acylating agent,dibenzo 24 crown 8 being acylated. 以多聚磷酸(PPA)为催化剂和反应溶剂,丙烯酸为酰化剂,对二苯并-24-冠-8进行酰化,成功地合成了双茚满酮型二苯并-24-冠-8。
- thioxine dyes 硫化染料
- dibenzon. 二苯并
- Determination of 2,3,7,8- Chlorine - Substiturted Dibenzo - p - dioxins and furans in milk pouder by Isotope Dilution High Resolution Gas Chromatography/High Resolution Mass Spectrometry(HRGC/HRMS) 高分辨气相色谱/双聚焦磁式质谱联用仪(HRGC/HRMS)检测奶粉中二?f英
