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Photocatalytic activities of bismuth oxyhalide compounds are improved by doping and modifications. By designing of the crystal structures and energy band gaps, highly efficient photocatalysts of bismuth oxyhalide compounds can be obtained.

借助于掺杂改性，卤氧化铋的光催化性能得到进一步改善；通过晶体结构和能带结构的设计合成可以得到高活性的卤氧化铋化合物光催化剂。

Traditional simultaneous distillation extraction was used to extract the volatile compounds from Macrobrachium nipponense,Penaeus chinesis and Palaemon modestus Heller.A total of 116 volatile flavor compounds were purified and identified successfully by GC-MS.

研究采用同时蒸馏萃取法提取，利用GC-MS分析了中国对虾、秀丽白虾及日本昭虾的挥发性风味成分。3种虾共鉴定出116种风味物质，对虾的挥发性化合物总量最高，日本昭虾其次，秀丽白虾最低。

The results of bioassay experiments with 10 commonly used fungi showed that, all the title compounds had satisfactory fungicidal activity against Botrytis cinerea, the growth inhibition rate of compounds 5ae, 5ag, 5bd against Botrytis cinerea were up to 70% and for 5ad, 5cd, 5ce were more than 60%; compound 5bd exhibited fungicidal activity against Pellicularia sasakii with growth inhibition up to 60%, the growth inhibition rate of compound 5cg against Colletotrichum lagenarium was 69%.

抑菌活性生物测定结果表明，合成的大部分化合物对黄瓜灰霉病菌均有较好的生长抑制作用，其中，化合物5ae、5ag和5bd的抑制率达到70%；化合物5ad、5cd、5ce的抑制率大于60%；5bd对水稻纹枯病菌抑制率大于60%，化合物5cg对西瓜炭疽病菌的抑制率为69%。

Results Nine compounds from supercritical CO2 extraction were identified and the main constituents were pentadecane, ethyl pmethoxycinnamate and ethyl cinnamate. Twentyeight compounds from water distillation were identified and the main constituents were δ3carene, ethyl pmethoxycinnamate and ethyl cinnamate.

结果 沙姜超临界CO2萃取物中分离鉴定出9种化合物，主要成分为十五烷、肉桂酸乙酯、对甲氧基肉桂酸乙酯等；水蒸气蒸馏法中分离鉴定出28种化合物，主要成分为δ3蒈烯、肉桂酸乙酯和对甲氧基肉桂酸乙酯等。

Results Nine compounds from supercritical CO2 extraction were identified and the main constituents were pentadecane, ethyl p-methoxycinnamate and ethyl cinnamate. Twenty-eight compounds from water distillation were identified and the main constituents were δ-3-carene, ethyl p-methoxycinnamate and ethyl cinnamate.

结果 沙姜超临界CO2萃取物中分离鉴定出9种化合物，主要成分为十五烷、肉桂酸乙酯、对甲氧基肉桂酸乙酯等；水蒸气蒸馏法中分离鉴定出28种化合物，主要成分为δ-3-蒈烯、肉桂酸乙酯和对甲氧基肉桂酸乙酯等。

Efficient conversion of pentaerythrite with carbonyl compounds,aldehyde or ketone,to the corresponding pentaerythritol dialdehyde or diketone compounds in the presence of ammonium hydrogen sulfate under microwave irradiation without solvent was described.

无溶剂微波照射下，通过硫酸氢铵催化季戊四醇和醛、酮反应合成了季戊四醇双缩醛、酮化合物。通过IR和1HNMR对产物结构进行了表征，研究了反应条件对产率的影响，最佳反应条件为微波照射功率750 W，照射时间1.5 min

Since the relative antioxidant capacity of all the phenolic compounds was much higher than trolox in both assays, it is a good indication that phenolic compounds possess high antioxidation capacity against peroxy radicals.

由於酚类物质之相对抗氧化力均远高於trolox，表示酚类物质对过氧自由基具有很好的抗氧化效果。

Covering the chemistry of liquid-phase oxidation of organic compounds, this book includes the results of analysis with the parabolic model as applied to reactions of peroxyl radicals with C-H bond of different organic compounds.

在有机化学和生物学方面的氧化和抗氧化剂有機化学と生物学の面でのアンチオキダントと酸化します包括有机化合物的液相氧化的化学，这本书象适用于peroxyl 激进主义者与不同的有机化合物的C-H 契约的反应的那样用抛物线的模型包括分析的结果。

In order to further understand the dependence of bioactivities on the structure of new fluorine-containing pesticidal compounds to build up significant ligand-receptor models, and to find out the pharmacophores of these analogues, 3D-QSAR analyses have been carried out with DISCO, CoMFA and Leapfrog approaches on the basis of our previous classical QSAR study. Firstly, the compounds were classified according to their structures.

为了能更深入地认识含氟新化合物作为农药的生物活性和其结构间的关系，建立有意义的药物-受体作用模型，寻找同类化合物的药效团，对合成的含氟化合物在经典QSAR方法研究的基础上，又进一步运用DISCO，CoMFA和Leapfrog方法研究了它们的三维构效关系。

Organotin compounds have attracted considerable attention by the chemists and their co-workers due to their wide applications for example as pesticidal, bactericidal and antitumour agents in many fields such as industry, agriculture and medicine. It possesses important scientific meaning to synthesize new organotin compounds and study their structures and properties.

有机锡配合物具有优异的催化、杀菌和抗癌等性能而在工业、农业和医药等领域得到广泛的应用，因而受到化学工作者的重视，因此，合成新的有机锡配合物并研究其性质具有重要的科学意义。

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。