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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
These green emitting LEDs were fabricated by adding an electron transporting molecular dopant, 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-l,3,4-oxadiazole (PBD), into the semiconducting luminescent polymer as the emitting layer in the polymer LEDs.
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In DMSO or DMF, the dimeric forms of 2,6-di-tert-butylphenoxides react with methyl acrylate to form methyl 3-(4-hydroxy-3,5-di-tert-butylphenyl)propionate in 64-92% yield.
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Conformational transitions (chair-boat) for [l-(-)-menthyl)]-[2,2'-methylene-bis-(4-methyl-6-tert-butylphenyl)] phosphate have been registered by31P NMR spectroscopy.
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Products and kinetics of the thermal decomposition of (l-(-)-menthyl)[2,2'-methylene-bis-(4-methyl-6-tert-butylphenyl)] phosphit
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Kinetics of overall decomposition of ozonides of 2,2'-methylene-bis-4-methyl-6-tert-butylphenyl esters of phosphorous acid
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| | The organic multilayer thin film consisting of alternating layers of organic tris(8-hydrox-yquinoline) aluminum (Alq ) and 2- (4-biphenylyl)-5- (4-tert-butylphenyl)-1, 3, 4-oxadiazole (PBD)has been fabricated by means of organic vacuum deposition. The thickness of Alq and PBD layers in the multilayer structure was varied from 6 nm to 20 nm, respectively- Low angle X-ray diffraction measurements indicated that the samples have very uniform layered structure throughout the entire stack. Frorn the ... | | 利用有机物真空沉积技术制备了8-羟基喹啉铝(Alq)和叔丁基联苯基苯基二唑(PBD)交替生长的多层结构薄膜.低角X射线衍射测量表明,样品具有良好的层状结构;光吸收及光致发光测量结果表明,随着PBD层厚度的减薄,激发态能量发生了从PBD向Alq层中转移的现象. | | 文摘来源 | | Benzylamine and azole compounds respectively inhibit squelene exoxidase and cytochrome P450 monooxygenase which are two key enzymes in biosynthesis of fungal membrances. According to the structure activitity relationships and antimycotic mechanism of azole and benzylamine compounds, we combined the feature of structure of those two kinds of compounds to design and synthesize twenty three 1 [2 (N methyl N substituted benzyl)amino 2 (4 tert butylphenyl)ethyl] 1H 1,2,4 triazoles. ... | | 根据氮唑类和苄胺类抗真菌药物的构效关系和作用机理 ,设计合成了 2 3种 1 -[2 -( N -甲基 -N -取代苄基 )氨基 -2 -( 4-叔丁基苯基 )乙基 ]-1 H-1 ,2 ,4 -三唑类化合物 ,其结构经元素分析、红外光谱及核磁共振谱分析证实 .体外抑菌实验结果表明 :目标化合物对常见的 9种致病真菌均有一定活性 ,对浅表真菌活性优于深部真菌 ,其中化合物 3 ,4 ,6,1 0 ,1 2 ,1 4和 1 5对羊毛样小孢子菌具有较强的活性 | | 文摘来源 | | 5,15- bis - (3,5-di- tert - butylphenyl) porphyrin zinc and copper complexes were polymerized through electrochemical oxidation. The absorption spectra of the resultant polymers exhibit exciton coupling band in either solid state or solution. FT - IR spectra confirm that the porphyrin rings are connected to each other via a single C-C bond at the meso position. Mass spectra clearly show that the repeat units of porphyrin ring in the polymeric chain of poly - ZnBBPP are more than 13. | | 利用电化学方法成功地合成了不含其它连接基团的卟啉高分子,循环伏安图谱中发现该高分子在电极上的沉积为紧密型沉积,所得产物的紫外-可见吸收光谱表明相邻的卟啉环在该高分子链中均成平面直角结构,FT-IR图谱表明卟啉环之间是通过C—C键在meso位上相连,质谱图证明该高分子的链长可以达到13个卟啉环以上. | | 文摘来源 | |   | | << 更多相关文摘 |
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