产物

The chemical component and structure of polyborazine were analyzed, and the influence of different propylamine/isopropylamine molar ratio on the polyhorazine properties and spinnability were examine.

通过分析不同正丙胺／异丙胺配比制得的聚合产物的组成与结构，探讨了不同单体的胺基取代基对先驱体的聚合反应性及对产物结构的影响。

Isothiocyanates are their degradation products,which have shown a series of biological and chemical characteristics.

硫代葡萄糖甙是存在于十字花科植物中的次生代谢产物，可作为杀虫剂、抗微生物制剂和天然熏蒸消毒剂，其降解产物异硫氰酸酯除具有强烈的辛辣气味可作为调味品外，还具有抑菌、抗病毒和抗癌活性。

There are two main factors govern the diverse structures of complexes 15 and 16:(1) reaction time and temperature, that is to say, complex 15 is kinetically stable complex, while complex 16 is thermally stable one.

它们结构的不同主要有两个方面的影响因素：一、反应的时间和温度的影响，即晶体15是动力学稳定的产物，晶体16是热力学稳定的产物；二、溶液pH值的影响，即晶体15在pH值较大(≈6)的情况下析出，而晶体16在pH值较小(≈4)的条件下析出。

Study on synthesis and thermo-stability of ladderlike polymethyl/phenylsilsesquioxane

利用气相色谱技术对氟代仲丁烷的热稳定性进行了考察，并通过对氟代仲丁烷的热消除产物的定性定量分析，讨论了其热分解机理，以四圆环状过渡态历程和碳正离子重排历程对热消除反应的产物形成进行解释。

High pressure and temperature experiment show that lamprophyric melt and orthophyric melt mix with each other under high pressure and seperate under low-pressure.

结合哀牢山断裂带富碱侵入岩的地质地球化学资料，论证了煌斑岩与富碱侵入岩为富集地幔不同部分熔融程度的产物；高温高压实验表明，煌斑岩熔体和花岗斑岩熔体在高压条件下发生混合，低压条件下出班分离，加上有关的地球化学判别，推测岩浆混合作用是本区煌斑岩与花岗斑岩(富碱侵入岩母岩浆同化分异结晶作用的产物)密切共生的主要因素。

There were piles of research papers on natural products of red alga Laurencia, in this paper, we first reported the secondary metabolites from Laurencia tristicha.

凹顶藻天然活性产物是藻类化学研究的一个热点，本文首次对三列凹项藻(L.tristicha)的次生代谢产物进行了分离研究。

Majuscula. Our researches were significant for the chemical taxanomy of Laurencia, and the exploition of the natural products from this seaweed in our country.

本文关于凹顶藻次生代谢产物的研究结果，进一步丰富了凹顶藻化学研究成果，特别是丰富了我国对于该属藻类的研究资料，同时提供了该属藻类的化学分类以及天然产物资源开发利用的参考。

The results show that temperature does not have a significant impact on derivatization reaction; the derivatives are rapid degraded in sun light; the derivatization reaction is inhibited when the derivatization reagent is at high concentration; the reaction to produce the fluorescent derivatives is finished in 30 min, and the derivatives are stable for about 8 h at normal temperature and lightless.

研究结果表明，环境温度对衍生反应影响不显著；衍生反应对太阳光线敏感，其机理是阿维菌素衍生产物易快速发生光解；高浓度的衍生试剂对反应表现一定抑制作用；衍生反应在30min左右达到峰值，其产物在室温、避光条件下8h内保持稳定。

Whether fermentative、 proteolytic or lipolytic end products dominate will depend on the nature of the food, the types of microorganisms present, and environmental conditions affecting their growth and metabolic patterns.

解：到底是发酵的终产物占主导还是蛋白质水解的或脂肪分解的终产物占主导，取决于食品本身的性质，食品中存在的微生物类型，以及影响微生物生长和代谢模式的环境条件。

The application of ionic liquids aqueous solutions as solvents in the microwave-assisted extraction technique was developed for the extraction of lycorine, lycoramine and galanthamine from Lycoris. Effects of different ionic liquids and the concentration of selected ionic liquids on MAE were investigated, and tradition organic solvent and extraction techniques were compared.

1引言自1986年Ganzler等[1]首次报道采用微波辅助萃取天然产物中化学成分以来，微波辅助萃取技术在食品、环境和天然产物等领域得到了广泛的应用[2~5]，它以萃取时间短、溶剂用量少、选择性强、萃取效率高等优点在中药有效成分的萃取分离方面得到广泛关注[5，6]。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。