查询词典 pyridine

The 400nm femtosecond laser photoionization and dissociation of pyridine-(water 〓 cluster was studied.

在吡啶-水团簇的质谱中同样看到了在纳秒激光下看不到的非质子化产物〓。

NMR and ESI-MS techniques were used to study the interactions between diperoxovanadates and small organic molecules such as pyridine, imidazole, arginine, picoline ester, and picoline amide. Spectroscopic methods were established to explore this type of interactions.

在合成数种双过氧钒化合物的基础上，利用多种NMR技术结合ESI-MS等谱学方法系统研究了双过氧钒化合物和咪唑、吡啶、取代吡啶、精氨酸、皮考啉酯以及皮考啉酰胺等有机配体的相互作用，建立了一套适合研究过氧钒化合物与有机小分子相互作用的谱学方法。

In the paper,a PVC membrane picric acid anion selective electrode is developed using Bromhexadecyl pyridine picrate ion pair as the active component and dioctyl phthalate as the plasticizer.

本文用苦味酸溴代十六烷基吡啶离子对作为电活性物质，以邻苯二甲酸二辛酯为增塑剂，研制成以PVC为基质膜的苦味酸离子选择电极。

This part we introduce complexes synthesized by hydrothermal method containing inorganic polyacid, bipyrindine, organic polyacid, pyridine-carboyxlate, and mixed polyacid and polybase ligands.

我们分类介绍了，水热条件下合成的含无机的同多或杂多酸配体、联吡啶、有机多酸、吡啶羧酸和混合酸碱配体的配位化合物。

Because POTPy and POTPyOT contain pyridine in the main chain, their conjugation length is shorter than that of POTT and POTTOT, leading to the UV and fluorescence spectra of the former are blue-shifted with respect to those of POTT and POTTOT.

POTPy及POTPyOT主链的结构内具有吡啶，导致共轭链的长度缩短，因此在吸收及萤光光谱的位置都比POTT、POTTOT还要蓝位移。

This, Neway Securities analyst Huang Bo told reporters that if the issuance of the smooth passage, the red sun's pesticide rapid expansion of production capacity, at the same time will have to be fat pyrethrum, Pyridine alkali and glyphosate acid three complete industry chain platform, the formation of "intermediate - the original drugs - agents - sales channels," the overall advantage.

为此，新时代证券分析师黄百告诉记者，如果顺利通过发行，红太阳农药迅速扩大生产能力的同时，将必须脂肪除虫菊，吡啶碱和草甘膦酸三个完整的产业链平台，以"中间形成-了-代理商-销售渠道"的整体优势原来的药物。

At present, the red sun of the Group's production of pyridine for the main use.

目前，该集团的吡啶生产主要使用红色的太阳。

The results show that the total pyridine base yields reach 50%~70%.

实验发现，以所合成的产品为催化剂，吡啶碱总产率可达50%~70%。

In the second chapter, a series of pyridine derivatives are synthesized.

第二章，吡啶类衍生物的合成和表征，共合成了25种化合物，其中目标产物15种。

Who have mastered the production of pyridine technology, will have the equivalent of a printing press.

谁掌握了吡啶生产技术，将具有相当于一台印刷机。

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。