查询词典 phenol-phthalein

A new monomer,4-hexanoxyl-4′-undecylene-[10]-acyloxyazobenzene was synthesized using the main materials:phenol,underlenic acid,1-bromo- n -hexane, p -nitrophenol,thionyl chloride,by the substitution,reduction,couping and diazotization methods.A new polymer was prepared by hydrosilation reaction of poly (methylhy-drosiloxane) with the monomer.

以苯酚、十一烯酸、正溴己烷、对硝基苯酚和二氯亚砜为主要原料，通过取代、还原、重氮化和偶合等反应，合成了一种新的液晶单体 4-己氧基-4′-十一烯-[10]-酰氧基偶氮苯，并与聚通过硅氢加成生成一种新的高分子液晶。

When 4％ NaOH, which is three times volume of the resin, is selected as the desorbent, the flow rate is 1BV/h and the temperature is 60℃, over 99. 7％ phenol on the resin can be desorbed and the recovery is more than 95％.

用3倍树脂体积、温度为60℃的4％NaOH溶液作解吸剂，控制1BV/h的解吸液流速，可使树脂的解吸率在99.7％以上，95％以上的苯酚得以回收。

The phenol may optionally possess combinations of heteroatoms, such as O, N, P or S, and may be dimerized.

该酚可选择性地包含例如是O、N、P或S的杂原子的组合，其也可以是二聚物。

An ELISA(enzyme-linked immunosorbent assay.) was developed for detection of bovine brucellosis by using LPS as antigen purified by Heating - phenol recommended by OIE (office international des epizootics).

采用世界动物卫生组织推荐的热酚法提取的脂多糖作为抗原，建立了牛布氏杆菌病的ELISA方法，对45份血清进行检测，证明本ELISA方法灵敏性较高，经阻断试验和交叉试验，证明特异性较好。

Researches of kinetics showed that adsorption of phenol by bamboo-charcoal can be dealt with pseudo first-order reaction.

竹炭作为一种新型吸附材料，在环境保护、医学和食品等领域具有广泛的应用前景[1-2]。

Methods Cells were maintained in DMEM medium with 10% fetal bovine serum. Five days before the beginning of experiments, the cells were seeded in phenol red-free DMEM medium containing 5% charcoal dextran-treated FBS. The cells were harvested, and seeded in 6-well culture plates or in 75ml flacks. After NP, BisA and DBP treatments for 72h, the cells were harvested, and mRNA and protein expression of PCNA, bcl-2 and bax were detected by reverse transcription-polymerase chain reaction and immunohistochemistry, respectively.

方法］T47D细胞在含10%胎牛血清的DMEM培养液中进行常规传代培养，实验前将细胞转移至无酚红DMEM（含5%活性碳葡聚糖苷处理过的FBS）中继续培养5d，收集细胞，PBS洗涤后接种於内置盖玻片的6孔板或75ml培养瓶中，用32×10^(-7)mol/L NP、32×10^(-7)mol/L BisA及32×10^(-6)mol/L DBP对细胞分别处理72h，用半定量RT-PCR技术观察这3种化合物对核增殖抗原PCNA、bcl-2及bax mRNA表达的影响，并用免疫组化方法对结果进行验证。

The liquid oil obtained from cellulose was mainly composed of phenols, benzenes, furans and cyclopentanones. Abundant phenol derivatives were obtained from high lignin content biomass, for example walnut shell (75.88%).

生物质中大量的氧以CO和CO2的形式脱除，所以得到的液体燃油具有较高热值、低含氧量、高H/C比；初步筛选了可选控的催化重组催化剂，以控制产物中的芳香化合物和直链烷烃的分布。

The usage of horse-radish peroxidase as catalyst i n organic synthesis,especially the progress in catalyzing the polymerization of an iline,derivatives of aniline,and phenol s were reviewed in this paper.

综述了辣根过氧化物酶在有机合成中作为催化剂使用，其催化机理为过氧化循环过程；以及辣根过氧化物酶催化合成苯胺、苯胺衍生物、酚类的研究进展，其特点为催化效率高。

Three different mechanisms and the solvent effect of the electron transfer reaction between indol moiety and phenol moiety of the model system corresponding to the dipeptide of tryptophan and tyrosine have been studied by energy calculations.

对三种机理的理论研究探明了不同去质子化机理对电子转移的控制作用，并阐明了溶剂效应引起多步反应机制和双去质子化反应机制的合理性。

Butyric acid,phenol,indol and polycyclic aromatic hydrocarbons are inferredin the solution phase of leachate by GC,and 53% of organic acids,18% of alcohol andphenols,and 7% of alkanes are detected in leachate by GC-MS.The colloidal structure oflandfill leachate is analyzed by determination ofξ-potential and the interfacial tension,whichprovide the basis to pretreatment by the coagulation and treatment by advanced oxidation.

首先测定了垃圾渗滤液的常规水质因子及污染物含量，并采用GC及GC-MS技术对垃圾渗滤液有机相的微观结构进行了分析，由GC谱图解析推断渗滤液的溶液相中含有丁酸或辛酸、苯酚、吲哚及多环芳烃等有机物；由GC-MS解析可知其有机物主要为有机酸，约占53％，其次醇及酚类约占18％，烷烃约占7％。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。