查询词典 diphenyl-carbinol

Sixty-six surficial sediment samples were collected from the Pearl River Delta and South China Sea and analyzed to acquire information about the distribution, sources and transport of polybrominated diphenyl ethers in the aquatic environment.

自珠江三角洲和南海北部海域采集了66个表层沉积物样品，以研究该区域中PBDEs的含量、分布、来源和在环境中的迁移。

DPODPS with melting point within three degrees can be obtained,purified by recrystal.2, 4,4\'-diphenyoxy-diphenyl sulfone was synthesized by reaction of phenol with bis (4-chlorophenyl)sulfone in tetramethylene sulfone in the presence of NaOH.

将其在亲电反应条件下和对苯二甲酰氯或间苯二甲酰氯共缩聚制得了二种聚芳醚砜醚酮酮树脂，用IR、DSC、TG、WAXD等对其结构和性能进行了表征，同时研究了聚合物在300±10℃空气中的氧化热稳定性。

According to the calculated results, a new atomic charge distributions of 2,3-diphenyl-tetrazole-5-thione was proposed with the sulfur atom and tetrazole ring having negative charges and the two phenyl-rings havingpositive charges.

对合成的3种[1，3，4]-噻二唑-2-硫酮-3，5-二取代物，用元素分析、红外光谱和紫外光谱等方法进行了表征，同时得到了其中两种化合物的晶体结构。

Poly(aryl ether sulfone ether ketone ketone) with side carboxyl attached to the main chain was synthesized by Friedel-Crafts polycondensation of 4,4′-diphenyoxyl diphenyl sulfone with trimellitic anhydride chloride.

以4，4′-二苯氧基二苯砜，偏苯三酸酐酰氯为单体通过Friedel-Crafts亲电反应合成了主链芳环上带有羧基侧基的聚芳醚砜醚酮酮树脂。

The first part of this study is focused on the synthesis and electro-optical properties of poly(2,3-diphenyl-1,4-phenylene vinylene) derivatives.

第一部份为聚-(2，3-双苯基-1，4-仲苯基乙烯)衍生物之合成及光电性质研究。

The second part is to study the synthesis of poly(2,3-diphenyl-1,4-phenylene vinylene)s containing triphenylene liquid crystal side groups and their application in polarized emission.

第二部份为合成DP-PPV侧链接上三苯基液晶基高分子并探讨其高分子偏极化上之应用。

The first part of this study is focused on the synthesis and electro-optical properties and of poly(2,3-diphenyl-1,4-phenylene vinylene) containing polyethylene oxide side chains. The formation meso-structure nanocomposites by sol-gel process with tetraethyl ortho-silicate was demonstrated .

第一部份为聚-(2，3-双苯基-1，4-仲苯基乙烯)侧链接上聚环氧乙烷之合成、光电性质研究及透过溶胶-凝胶制程研究其自组装之奈米复合材料。

Other Titles: Synthesis and characterization of poly(2,3- diphenyl-1,4-phenylene vinylene) derivatives and composites poly(1,4-phenylene vinylene)/oxide nanoparticles.

Title：聚-(2，3-双苯基-1，4-仲苯基乙烯)之衍生物及聚-(1，4-仲苯基乙烯)/氧化物奈米颗粒之复合材料之合成与鉴定。

Methods The ARPE-19 cells were put into normal and hypoxic chamber respectively.After 0hr、8hr、24hr、48hr,the proliferation of ARPE-19 cells was evaluated by[3-(4,5-dimethylthiazole-2yl)-2,5-diphenyl tetrazolium bromid, MTT]-test.

第一部分缺氧人视网膜色素上皮细胞株ARPE-19表达特性目的观察缺氧对人视网膜色素上皮株ARPE-19的细胞形态、增殖以及对其分泌的血管内皮生长因子和色素上皮衍生因子表达的影响。

Methods The ARPE-19 cells were transfected with Mir-155,and then put into hypoxic chamber for 0hr、8hr、24hr、48hr,the proliferation of ARPE-19 cells was evaluated by[3-(4,5-dimethylthiazole-2yl)-2,5-diphenyl tetrazolium bromid, MTT]-test.

Mir-155转染视网膜色素上皮细胞株ARPE-19细胞后，将其置缺氧环境0hr、8hr、24hr、48hr后，MTT比色法检测ARPE-19细胞的增殖，流式细胞仪检测细胞凋亡率。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。