氧化膦

In Chapter4, the reaction mechanism of phosphonyl nitrie oxides with acrylonitrile has been investigated.

为了简化计算模型，用甲基代替了膦酰基氧化腈中的异丙基进行模拟计算。

In this paper, chiral molybdenum or tungsten 2'-pyridinyl alcoholate complex catalyzed asymmetric epoxidation of cis-1-propenylphosphonic acid in H2O was reported.

目前磷霉素的生产是通过以Na2WO4为催化剂、在乙醇中以30%的H2O2将顺丙烯膦酸环氧化得到消旋产物，再利用α-苯乙胺进行拆分而得到[2，3]。

The results show that, using trioctylphosphane oxide or hexadecylamine as ligand, all of precursor ［In(η5-C5H5)］ decomposite and form the indium nanoparticles.

利用十六烷基胺或氧化三辛基膦配位体的作用，前驱体均可分解得到铟纳米颗粒；而在HDA相对含量高、溶剂中不含水和在紫外线照射作用下，前驱体分解反应产物为铟纳米线。

The catalytic effect of ruthenium on the oxidation decolorizing reaction of chlorophosphonazo-mk by potassium periodate in phosphoric acid medium was investigated.

研究了在磷酸介质中，痕量钌催化高碘酸钾氧化偶氮氯膦mk褪色反应特性，测定了反应级数、反应速率方程和表观活化能，拟定了反应的最佳条件，建立了一个测定痕量钌的催化动力学新方法。

At the end of the test, the effects of glyphosate on activities of urease and catalase and respiratory intensity of soil disappeared.

结论］试验结束时，草甘膦对土壤脲酶、过氧化氮酶活性和土壤呼吸强度的影响消失。

A series of sulfonated poly(arylene thioether/ether phosphine oxide)s was prepared by direct polycondensation of sBFPPO and BFPPO with the diphenol-type or dimercapto-type monomers such as hydroquinone, bisphenol-A, 4,4'-biphenol, 4,4'-diphenol (6F), 1,5-dihydroxynaphthalene, 4,4'-dihydroxybiphenyl, and 4,4'-thiobisbenzenethiol, respectively.

将BFPPO与sBFPPO分别与多种二羟基或二巯基单体，如对苯二酚、双酚A、4，4'-二苯酚、双酚F、1，5'-二羟基萘、4， 4'-二羟基二苯硫醚和4，4'-二巯基二苯硫醚，直接共聚制备了一系列磺化聚芳醚三苯基氧膦，侧重考察了二羟基和二巯基单体结构单元对产物的耐氧化性能的影响。

This paper briefly reviews the development of cooling water treatment chemicals including water soluble polymers,phosphonates,oxidizing and nonoxidizing biocides in China and abroad.

综述了国内外冷却水处理剂包括水溶性聚合物、有机膦酸、氧化与非氧化性杀生剂的发展。

Chromia-pillared zirconium phenylphosphonate and phosphate were prepared via preswelling the layered phosphates by ethylamine prior to the intercalation of the pillaring species.

采用乙胺预胶体化方法合成了一系列氧化铬层柱苯膦酸锆和氧化铬层柱磷酸锆催化剂，其铬含量达到22.5%-36.5%，比表面为316-462m^2/g，中孔孔容占总孔容的70%以上，孔径集中在2nm左右。

Using the method of macerating, ZrOCl_2 loading on D418 was produced. Influence including time of macerating, pH, and temperature on the amount of load was studied. The proper conditions show that, room temperature is appropriate, the suitable pH is equal to 5, and time of macerating is 16 hours.

采用浸渍法，以ZrOCl_2·2H_2O和氨基膦酸树脂D418为原料，制备大孔螯合树脂D418负载的氯氧化锆，考察了浸渍时间、pH、温度对负载量的影响，得出适宜的操作条件为：室温，pH=5，浸渍时间为16小(来源：ABC347b34论文网www.abclunwen.com)时。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。