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- hydroxy biphenyl 羟基联苯
- A kind of novel mesomorphic monomer 4 - benzyloxyl biphenyl methacrylate and its homopolymer were synthesized with 4 - hydroxy - 4' - benzyloxyl biphenyl as reactant. 以4,4＇-二羟基联苯为基础合成了一种新型介晶单体4-甲基丙烯酸-4＇-苄氧基联苯酯及它的均聚物。
- Sodium biphenyl, 20%w/w solution in diethylene gl... 询价 联苯钠(20%25溶于二乙二醇二乙醚)；
- They contain one or more functional group such as amide, hydroxy, or carboxy. 它们含有一个或多个功能团如：氨基、羟基、羧基。
- The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one. 待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
- The hydroxy proline contents were measured with the chloramine T method. 采用氯胺T法测定羟脯氨酸含量，为心肌胶原总含量。
- In this paper, the preparation of hydroxy ethyl chitosan sulfate was studied. 研究了磺化羟乙基壳聚糖的制备方法。
- The quantitative analysis of dihydrosafrole, by gas chromatography on 2% DEGS packed column and using biphenyl as internal standard, was introducced. 采用DEGS为固定液、联苯为内标物,用气相色谱法测定二氢黄樟油中二氢黄樟素的含量。
- An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids. 内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物
- BACKGROUND & AIM: To study effects of polychlorinated biphenyl PCB126 on B(a)P-induced genotoxicity. 背景与目的:探讨多氯联苯126(PCB126)对苯并(a)芘[B(a)P]遗传毒性的影响。
- We observe photophysical and electrochemistry property of biphenyl imide by substitutent group effect. 藉由取代基效应观察化合物光物理性质及电化学特性的改变。
- 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。
- Study on Flavonoids Extraction and Function of Scavenging Hydroxy Free Radical from Lespeda. Dunnii. 春花胡枝子黄酮类化合物的提取及清除羟自由基作用的研究。
- Methods:A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound. 方法:以联苯为原料,在超声催化作用下合成新药联苯乙酸。
- RT-PCR discove r ed mRNA of NSE(neuron specific enolase),Nurr1,Ptx3,Lmx1b and Tyrosine hydroxy lase(TH)were positive. RT-PCR结果显示NSE(neuron specificenolase)、Nurr1、Ptx3、Lmx1b和TH的mRNA均有表达;
- Then they can be further recrystallized to produce biphenyl with a purity of over 99.9%. 进一步用溶剂结晶法去除了联苯中的杂质;获得99.;9%25以上联苯。
- The forth step is to synthesize 5- hydroxy -5- methyl- 3,4- diphenylisoxazoline. 合成4-（5-甲基-3-苯基异?f唑-4-基）苯磺酰胺是重要的步骤，对其合成方法进行了对比。 采用反应5h的方法进行合成。
- Fine Chemical and Hi-Tech Products : Organic synthetical technical biphenyl; Organic synthetical technical diphenyl. 国内外贸易：公司拥有进出口权，开展以企业产品为主的国内外商品贸易与技术贸易。
- The hydroxy methyl contents of resinous crosslinking agent from different resources were determined. 测定了不同产地的树脂交联剂的羟甲基含量;
- Fine Chemical and Hi-Tech Products : Organic synthetical technical biphenyl;Organic synthetical technical diphenyl. 精细化工高科技产品生产：有机合成专用活性联苯、有机合成专用活性二苯醚。
