查询词典 pyridine

Committed to pyridine derivatives, adamantane derivatives, intermediates in areas such as medicine and research and synthesis.

致力于吡啶衍生物、金刚烷衍生物、医药及中间体等领域的研制与合成。

The product was washed with cold pyridine and dried to afford 4–6 in quantitative yield.

该产品 被冲走吡啶和冷干在提供定量产量4钬。

Its professionals are dedicated to the discovery of innovative pyridine derivatives, which are widely used as intermediates in the chemical and pharmaceutical industries.

公司的专业人员在各种吡啶类衍生物新产品的研制上做出了长期的努力，这类产品作为中间体广泛应用于精细化工和制药行业。

In this dissertation, Ir-catalyzed asymmetric hydrogenation of quinoline derivatives, pyridine derivatives and exocyclic enamines have been studied.

本论文研究了铱催化的喹啉和吡啶衍生物以及环外烯胺的不对称氢化。

Pyridine base business will be injected into the highlight of the assets.

吡啶碱业务将是注入资产的最大看点。

The satisfactory separation of pyridine derivatives has been achieved in this mode.

实验证明，亲水电色谱是一种适用于极性化合物分离的新型微分离方法。

A new functional surfactant with pyridine group has been synthesized.

合成了带有吡啶基团的功能表面活性剂。

It is understood that the pesticide is pyridine, fine chemicals and pharmaceutical intermediates an important, long-term production companies in Europe and America to be a monopoly.

据了解，吡啶是农药，精细化工及医药中间体的一个重要的，长期在欧美长期生产企业出现了垄断。

It is worthy of noting that different from the pyrolysis of pyrrole and other aroma compounds the products of pyridine pyrolysis is relatively less in number and has low tendency of sooting.

最后第五章研究了取代的六元含氮模型化合物4-甲基吡啶的热解，结合前章吡啶热解反应路径的研究，从产物的分布得出一些普适的定性结论。

Quinoline co-substrate biodegradation with other compounds such as glucose, phenol and pyridine were analyzed.

研究了喹啉与葡萄糖、吡啶、苯酚等物质共基质时的生物降解情况。

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。