查询词典 tris nitro-methane

Tris(4-aminophenyl) thiophosphate and its relative derivatives were synthesized and the optimum reaction conditions were selected in this paper. The products were characterized and analyzed by IR, NMR, MS and HPLC.

合成了硫代磷酸三(4-氨基苯)酯及其衍生物，通过优化实验确定了最佳反应条件，并用红外光谱、核磁共振波谱、质谱、高效液相色谱等谱学手段对合成产物进行了表征和分析。

To compensate the descent of pH for the heat-up, exalting the Tris-HCl buffer's pH can avoid the abscission of the purine and make the long sequence PCR go on smoothly. The GC-rich template's secondary structure is complex and stable. The organic reagent methylamine contributes to uncoil the secondary structure.The pfu DNA polymerase has more fidelity and thermostability than Taq DNA polymerase.

高GC含量使模板二级结构复杂而稳定，一般热启动难于解开，而变性温度过高、时间过长又不利于DNA聚合酶的活性作用发挥，于是借助能缓释模板二级结构的有机试剂甲胺扩增高GC含量模板。pfu DNA聚合酶比Taq酶有更高的保真复制性能和热稳定性，更有利于高GC含量模板的扩增。

In all of ruthenium complex being used as CL reagent, tris-(2,2'-bipyridine) ruthenium Ru(bipy32+ is the most widely used and the analytical application of this reagent is mainly based on its electrogenerated chemiluminescence reactions.

三(2，2'-联吡啶)钌[Ru_3~(2+)]是目前最为常用的一个钌配合物类化学发光试剂，它的分析应用主要是通过电致化学发光方法实现的。

It is based on a fact that oxytetracycline reacts with tris (2,2'-bipyridine) ruthenium [Ru(superscript 2+ subscript 3)] to produce enganced electrochemiluminescence signals.

基于土霉素在铂电极上增强三联吡啶合钌[Ru(上标 2+下标 3)]的电化学发光信号，并结合流动注射分析技术，建立了1种测定土霉素的电化学发光分析新方法。

A method of capillary electrophoresis with tris (2,2′-bipyridyl) ruthenium electrochemiluminescence detection has been applied to the simultaneous determination of proline and hydroxyproline in human urine.

1引言胶原蛋白中常含有丰富的脯氨酸和羟脯氨酸，其中Hyp几乎为胶原蛋白所特有。在胶原蛋白代谢中，Pro通过羟基化形成Hyp，胶原蛋白降解释放的Hyp从尿中排泄[1]。

In order to solve the backward electron transfer problem, 9 kinds of rhenium bipyridyl photosensitive dyes with different electron donating groups on the p or m-position of the pyridine rings, 2 kinds of rhenium bipyridyl and 2 kinds of ruthenium tris-bipyridyl photosensitive dyes with two tyrosine ethyl ester groups on the bipyridyl rings were designed and synthesized.

本文针对该类太阳能电池中存在的电子回传问题，设计合成了在吡啶配体的间位和对位带有不同供电基团的9种铼联吡啶光敏染料，在联吡啶配体上带有两个酪氨酸基团的2种铼联吡啶和2种钌三联吡啶光敏染料。

Zeolite Y sieves are used for preparation of ECL sensor for the first time by immobilizing tris (2, 2'-bipyridyl) ruthenium Ru (bpy 〓 in their supercages, which is achieved through the ion exchange properties of the sieves.

Ru〓固定于分子筛修饰碳糊电极的电化学发光与可更新无试剂海洛因传感器研究制备了一种能简单、快速、灵敏地测定海洛因的电化学发光传感器。

Resonance light scattering spectrum of cadmium- phenanthorline- bromophenol blue system has been studied. The effects of interference substances and optimization of procedure have been investigated. In the presence of Tris-HCl(pH=9.60),Cd2+ reacts with Phen to form the chelate cation, which further reacts with acid dye of BPB to form an ion-associated complex. Then, the complex molecules are accumulated to particles by virtue of hydrophobic forces and other molecular forces. This results in significant enhancement of RLS intensity, and the enhanced intensity of RLS at 638nm is proportional to the concentration of Cd~(2+).

研究了镉-邻菲罗啉-溴酚蓝体系在碱性条件下的共振光散射光谱特征，考察了体系的影响因素和最佳反应条件，研究表明，在pH=9.60的Tris-HCl介质中，镉与邻菲罗啉形成络阳离子，再与酸性染料溴酚蓝形成离子缔合配合物，在疏水力等分子间作用力下，缔合物分子聚集形成缔合微粒，溶液的共振散射光显著增强；在638nm处RLS增强程度与镉浓度成线性关系，线性范围为0-3.20mg/L，检出限为4.50ug/L。

To be different from the already chloromethylation catalyst, it has a certain amount of moisture wet, which will not produce huge amounts of doughtic cancerogenic chloromethyl methyl ether during and after the reaction.4,4\'-bisbiphenyl, 1,4-bisbenzene, 1,4-bis(chloro- methyl)-2,5-dimethylbenzene, 1,5-bis-2,4-dimethylbenzene, 4-(chlor- omethyl)-1,2-dimethylbenzene, 1,2-bis-4,5-dimethylbenzene, 5,8-bis-1,2,3,4-tetrahydronaphthalene, 3,3\',5-tris-4,4\'-bisbiphenyl and 3,3\', 5,5\'-tetrakis-4,4\'-bisbiphenyl were synth- esized by using this new catalyst. Results indicated that when the reaction temperature was 55～60℃, the reaction time was 12h, the catalyst which consists of the concentration of 80%H_2SO_4, HAc and Lewis acid, the amount of Lewis acid 0.15 mol(nLewis:nbiphenyl=1.5:1), yield of biphenyl chloromethylation product 4,4\'-bis(chrolomethylbiphenyl can reach a maximum 85%.

采用这种催化体系完成了4，4′-二氯甲基联苯、对二氯甲基苯、1，4-二氯甲基-2，5-二甲基苯、1，5-二氯甲基-2，4-二甲基苯、4-氯甲基-1，2-二甲基苯、1，2-二氯甲基-4，5-二甲基苯、5，8-二氯甲基-四氢萘、3，3'，5-三氯甲基-4，4'-二甲基苯和3，3'，5，5'-四氯甲基-4，4'-二甲基苯的合成，结果表明：在反应条件为：反应温度55～60℃，反应时间12h，选择80%H_2SO_4、冰醋酸和Lewis酸为催化剂，反应最佳反应Lewis酸用量是0.15mol(和原料比为1.5：1)，反应效果最好，联苯氯甲基化产物(4，4′-二氯甲基联苯)收率为85%；在反应条件为：反应温度70℃，反应时间8h，80%H_2SO_4、冰醋酸和Lewis酸为催化剂，反应最佳反应Lewis酸用量是0.1mol(和原料比为1：1)时，反应效果最好，苯的氯甲基化产物收(来源：ABd0C论文eded网www.abclunwen.com)率为75%；在反应条件为：在反应条件为：反应温度40℃，反应时间10h，60%H_2SO_4和Lewis酸为催化剂，反应最佳反应Lewis酸用量是0.1mol(和原料比为1：1)时，反应效果最好，对二甲苯氯甲基化产物(1，4-二氯甲基-2，5-二甲基苯)收率为78.5%；在反应条件为：反应温度35℃，反应时间10h，60%H_2SO_4、冰醋酸和Lewis酸为催化剂，反应最佳反应Lewis酸用量是0.1mol(和原料比为1：1)时，反应效果最好，间二甲苯氯甲基化产物(1，5-二氯甲基-2，4-二甲基苯)收率为81.5%。

Cyclopentanol was synthesized from cyclopentene and water through hydration reaction using HNb3O8·H2O/SiO2 as main catalyst and tris(dioxa-3,6-heptyl)amine (TDA-1) as cocatalyst.

在以硅胶负载铌酸为主催化剂、三（3，6-二氧杂庚基）胺为助催化剂的作用下，以环戊烯和水为原料，通过水合加成反应合成了环戊醇。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。