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The experimental results indicate that the autoxidation of phosphine has two types of reaction operating at the same time: a free radical chain reaction and the direct reaction between phosphine and oxygen.

实验结果表明,化物在燃油介质中的氧化反应有两种反应类型同时进行,即:自由基链反应及化物与氧气的直接作用。

Using benzyl phosphorus and pyridine phosphorus ligands, a series of complexes were synthesized and their structures were also discussed.

使用苯基酸以及吡啶酸配体合成了一系列链状和层状配合物,并对它们的结构进行了研究。

Design and synthesis of chiral phosphorus ligands and the applications of them in catalytic asymmetric reactions has been a hot topic. Researchers betake themselves to develop novel chiral phosphorus ligands to solve problems that the existing ones cannot do.

中文摘要手性配体的设计与合成及其在不对称催化中的应用一直是研究的热点领域,研究人员一直致力于开发新型的手性配体来解决已有配体不能解决的问题。

In this thesis, we developed chiral proton N-O type ligands and employed them in the enantioselective addition of diethylzinc to N-diphenylphosphinoyl imines. The relationship between the structure of the ligands and the enantioselectivity was systematically studied. Furthermore, enantioselective butylation of N-diphenylphosphinoyl imines withBu〓Zn and enantioselective diphenylzinc addition to imine were also examined.

本文致力于亚胺的不对称催化有机锌试剂加成反应的研究:以手性质子型N-O配体为促进剂,对N-二苯基次酰亚胺进行不对称乙基锌加成反应而展开研究工作,系统地考查了手性配体的结构对反应的影响;另外,对N-二苯基次酰亚胺的不对称催化丁基锌加成进行了研究,并首次对亚胺的不对称苯基锌加成反应进行了初步探索。

Our country ethylene diamine mainly uses in producing the agricultural chemicals (woods manganese zinc, dithane Z-78, generation of woods amine and pesticide, weed killer, disinfectant), the surface active agent (lives geminate stearic acid amide, alkyl imidazole lin, double amide, with oxirane, epoxypropane synthesizes non-ionic surface active agent), the epoxy resin firming agent (polyamide resins, epoxy firming agent, hydroxyethyl ethylene diamine and so on), the wash assistant (ethylene diamine four ethanoic acid and sodium salt series chelating agents), medicine raw material (aminophylline, washes must be peaceful, nose eye only, deinsectization spirit and so on), water treatment medicinal preparation (ethylene diamine four methylene phosphonates, second grade trunk base ethylidene two phosphine acids), corrosion inhibitor dye fixing agent, photography materialFixing bath and oil dope and so on.

我国乙二胺主要用于生产农药(森锰锌、代森锌、代森胺及杀虫剂、除草剂、杀菌剂),表面活性剂(生成双硬脂酸酰胺,烷基咪唑啉、双酰胺,与环氧乙烷,环氧丙烷合成非离子表面活性剂),环氧树脂固化剂(聚酰胺树脂,环氧固化剂,羟乙基乙二胺等),洗涤助剂(乙二胺四乙酸及其钠盐系列螯合剂),医药原料(氨茶碱,洗必泰,鼻眼净,灭虫灵等),水处理剂(乙二胺四甲叉酸盐,乙脒基乙叉二酸),缓蚀剂染料固色剂,照相材料定影液及润滑油添加剂等。

The inheritances of resistance to glyphosate in two anti-glyphosate kidney bean resources 89-05-3 and 89-09 were studied by the traditional genetic analysis method.

采用经典遗传分析方法,对2个菜豆抗草甘抗性资源89-05-3和89-09的草甘抗性遗传规律进行了研究。

Durable formaldehyde-free phosphorus flame retardant for cotton,FRC-F,was synthesized with dimethyl methylphosphonate,phosphoric pentaoxide and ethylene glycol-glycerol mixt.

利用甲基酸二甲酯、五氧化二磷、乙二醇、丙三醇的混合物成功地合成了一种无甲醛棉用耐久性系阻燃剂,探讨了阻燃剂FRC-F、多元羧酸交联剂BTCA、催化剂NaH2PO2、柔软剂等应用于棉织物的工艺。研究结果表明:阻燃剂FRC-F是一种值得研究和开发的无甲醛棉用阻燃剂

The EF8108 series were added to glyphosate aqueous solution,the optimum formula was obtained from orthogonal test.The properties of EF8108 series and 41%glyphosate aqueous solution containing the above aids were tested.The properties of EF8108 series were compared with that of similar products.

将EF8108系列助剂配成草甘水剂,根据正交试验结果,得出EF8108系列助剂的最佳配方,测试EF8108系列助剂及由其配成41%草甘水剂的性能,并将EF8108系列助剂的性能与其它国内外同类产品进行比较。

METHODS: Fifty-two patients of malignant tumor with osseous metastasis were enrolled in this study.

入选恶性肿瘤骨转移患者52例,其中唑来酸组26例,伊班酸组26例,采用平行对照研究方法。

This model not only provides a new method to calculate~(31)P chemical shifts of phosphines,but also establishes the rela...

所建模型不仅在一定程度上阐明了类化合物31P NMR谱化学位移与其分子结构信息之间的关系,同时也提供了一种从理论上计算类化合物31P NMR谱化学位移的新方法,并对深入了解类化合物结构与性能的关系及解析、预测其31P NMR谱提供了一定的理论依据。

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