查询词典 pyridinium

In the second chapter, porous silicon is surface modified with four kinds of surfactants: Sodium dodecyl sulfate, Cetyl pyridinium bromide, Sodium oleate and OP.

第二章利用表面活性剂对多孔硅进行表面修饰，研究了不同表面活性剂修饰的多孔硅的荧光光谱。

To increase determinative sensibility,the surface active agent cetyl pyridinium chlorideis chosen as hyperc...

研究结果还表明，CPC的加入同时还增强了测量体系的抗干扰能力。

In these compounds thiourea、sodium thiocyanate storage tanks、propiolic alcohol and cetyl pyridinium bormide are selected as research objects.

通过吸附理论和电化学极化曲线研究它们在5%氢氟酸介质中对不锈钢的缓蚀作用，分析缓蚀作用的机理。

Resonance Raman spectra of aggregated meso-tetra(4-pyridinium)porphyrin diacid (H8TPyP6+)were studied with excitation near the exciton absorption bands of 470 nm.

研究了近激子吸收带激发下四-(4-吡啶基)卟啉二酸(H8TPyP6+)聚集体的共振拉曼光谱。

The technological conditions for preparation of pyridinium dialkyl dithiophosphate were optimized and a three-step process was finally determined.

采用三步工艺合成了表面修饰剂二烷基二硫代磷酸吡啶，优化确定了PyDDP制备工艺条件，并利用红外光谱确认了其结构。

In this paper, a series of thermal stable PTC based on dimethylamino pyridinium salts were synthesized and characterized by 〓HNMR, mp, IR, and MS.

由于4-二烷基氨基吡啶中供电子的二烷基与吡啶环共振，使正电荷分散于多个原子中，稳定性比吡啶增加。

Then Rb and Sr are separated and purified by using a mixed eluent of pyridinium and DCTA complex.

本实验室在此基础上建立了一种新的Rb-Sr，Sm-Nd化学分离方法，以用于地质样品的同位素测试。

The immobilization of ammonium salt and pyridinium salt onto SiO〓 and MCM -41 surface were investigated respectively.

目前广泛采用氯化苄和醋酸钠在相转移催化剂存在下反应的合成方法来制备。

The best result is obtained for the film of 1-ethyl-4-[5--1,3,4-oxadiazol-2-yl] pyridinium tetrafluoroborate.

在这些离子液体中，N-乙基-4-[5--1，3，4-噁唑-2-]吡啶四氟硼酸盐的摩擦学性能最好。

Salt 8 exhibits an ICT absorption band at lmax572 nm in ethanol, which does not correspond to any of the TTF or pyridinium moieties, and obeys the Beer–Lambert law.

盐 8展品的信息和通信技术的吸收带在572 nm的lmax 乙醇，这不符合任何信托基金或吡啶基，并服从啤酒兰伯特法。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。