Synthesis of N-( biphenyl) benzo indole N-(联苯基)苯并吲哚的合成研究
These analysis were proved by the actual separation experiments of biphenyl and fluorene on the SMBC system. 通过具体的分离实验,验证了三带模拟移动床色谱的主要操作参数切换时间对分离结果的影响。
Effects of polymer structure on light-emitting properties were investigated by using different copolymerizing units, such as biphenyl and fluorene. 通过改变不同的共聚基团,如芴和联苯等,研究了聚合物结构对其发光性能的影响。
The biochemical and pharmacological effects of BIPHENYL DIMETHYL dicarboxylate ( ddb) on rat liver cells 联苯双酯对鼠肝细胞的生化药理作用
In this thesis, a type of biphenyl rod-like liquid crystals and two types of triphenylene discotic liquid crystals were synthesized. 本文报道了一类新的联苯类棒状液晶化合物和两类苯并菲盘状液晶化合物的合成。
The naturally occurring biphenyl and diphenyl ether-type diarylheptanoids were reviewed with report to the distribution, type of structure, biogenetic pathway and pharmacological activity. 本文对目前已经发现的天然大环二芳基庚烷类化合物在植物中的分布及结构特征、生物合成和药理学研究进展进行了综述。
Synthesis and Properties of Biphenyl Type Liquid Crystalline Polyurethane Toughening Epoxy Resin 联苯型液晶聚氨酯增韧改性环氧树脂的制备与性能环氧树脂封装晶体管
Analysis of Dimethylsulfoxide in Recovered Solvents from Synthesis of 4,4 '-Bis ( hydroxymethyl) biphenyl 4,4′-二(羟甲基)联苯合成回收溶剂中二甲亚砜含量的测定方法
With the increasing of BP molar fraction, the melting point presents a down and up trend whereas the lowest melting point turns out at a point where the molar fraction of biphenyl is20%. 聚合物的熔点随联苯含量的增加呈先下降后上升的变化规律,体系在联苯含量为20%处出现最低共熔点。
Analysis of content of 7 kinds of indicative polychlorinated biphenyl in deposit 沉积物中7种指示性多氯联苯含量的分析
The yield of myrtenol ( II) is a little improved by electron-transfer photooxygenation with dicyanoanthracene ( DCA), but is almost double by the addition of biphenyl as cosensitizer. 二氰基蒽(DCA)敏化的电子转移光氧化使桃金娘烯醇的产率略有改善,但是,添加联苯作共敏化剂使产率几乎翻了一番。
Effects of Polychlorinated Biphenyl on Hippocampal Neuron Cells in Rats 多氯联苯对大鼠海马神经元细胞的影响
Research of Synthesis of 4,4 '-Bis ( hydroxymethyl) biphenyl 4,4'-二羟甲基联苯的合成工艺研究
Intramolecular photoinduced charge transfer can be efficiency by restricting biphenyl group to make it more conjugate. 藉由分子结构的限制,使联苯间的共轭性质变好,使分子内能有效的产生光致电荷转移。
The distribution and risk assessment of polychlorinated biphenyl in surface sediments in the northern of Tai Lake 太湖北部湾多氯联苯分布特征及生态风险评价
Effects of Rhizo-remediation polychlorinated biphenyl Contaminated Soil Under Intercropping System The Clinical applications and therapeutic effect of maxillary sinus floor lifting and dental implantation 植物间作体系根际修复土壤多氯联苯的效应上颌窦提升术在种植修复中的应用及疗效
Ground, Excited Structures and Photoelectronic Properties of Poly ( p-phenylenevinylene) Oligomers with Biphenyl Bridge 联苯桥联的聚对苯乙烯撑齐聚物基态、激发态的结构与光电性能
Acetone for pesticide residue and polychlorinated biphenyl analysis 残留农药和多氯联苯(PCBs)的测定用丙酮
Theoretical Studies on the Configurations and Electronic Structures of the Biphenyl Derivative Conjugated Molecules 联苯类共轭分子构型与电子结构的理论研究
Two Photon Absorption Property of a PPV Oligomer with Central Biphenyl Bridge and Peripheral Carbazole Substituents 外围带咔唑基的联苯桥联二聚对苯乙烯撑的双光子吸收性能
Polychlorinated biphenyl transformer replacement and retrofilling 注换多氯联苯变压器内的液体
The effect of BIPHENYL DIMETHYL dicarboxylate ( ddb) on the fluidity of human erythrocyte membrane 联苯双酯对人红细胞膜流动性的影响
The Synthesis, Structure Characterization and Quantum Chemical Calculation of 4,4 ′-dis ( 9-Carbazole) Biphenyl 4,4′-二(9-咔唑)联苯的合成、结构表征及量子化学计算
Influence of Polymerization Process on Liquid Crystal Alignment on Polyimide with Side Chain Containing Biphenyl Unit 聚合工艺对联苯侧链型聚酰亚胺薄膜取向性能的影响
Heating Method: electric heating of heat transfer oil,( heat transfer) oil recirculation heating, diphenyl static heating, or biphenyl recirculation heating. 加热方式:导热油电加热、导热油循环加热、静态联笨加热和联笨循环加热可供选择;
A series of polyether resins with pendent biphenyl mesogenic groups were synthesized, and the synthetic technics were discussed. 通过接枝反应合成了一系列侧链含联苯类介晶基元的聚醚型树脂,并对合成工艺进行了探讨。
The Toxic Effects of 2, 2 ', 4, 4'-tetrabrominated Biphenyl Ether ( BDE-47) on Four Species of Marine Microalgae 2,2',4,4'-四溴联苯醚(BDE-47)对4种海洋微藻的毒性效应研究
After entering the body after metabolism of a biphenyl ester to inhibit cyclooxygenase activity, so that reduction of prostaglandin synthesis work. 进入体内后代谢成为联苯乙酯后具有抑制环氧合酶的活性,使前列腺素的合成减少而起作用。