报道了一系列铜与含氮、氧、磷配体形成的配位催化剂用于甲醇氧化羰化合成碳酸二甲酯的研究结果。
Oxidative carbonylation of methanol to dimethyl carbonate catalyzed by a series of copper complexes bearing ligands with nitrogen, oxygen and phosphine donors is reported.
有机酸主要通过竞争吸附位点、竞争络合等方式抑制酸性森林土壤对磷的吸附。
Organic acids inhibited adsorption of acidic forest soil to phosphorus mainly by competing adsorption sites, competitive complexing etc.
对植物磷转运子蛋白的拓扑结构、功能及其基因的调控和表达位点的研究，揭示了植物磷转运子各家族中各成员在磷代谢中的角色。
Studies on the topology, function, regulation and spatial expression of the genes encoding a member of Pi transporter families have revealed their respective roles in plant Pi metabolism.
以含磷、氮、氧和硫元素的化合物为配体，分别与三氯化铑水合物形成配位催化剂，并以此对NBR进行加氢。
Various phosphorous, nitrogen, oxygen, and sulfur compounds were used as ligands on rhodium chloride to form homogeneous catalysts for NBR hydrogenation.
反应机理推测为丝、苏氨酸的侧链基团羟基在咪唑的存在下亲核进攻磷原子形成五配位中间体。
Only N-phosphoryl serine and threonine methyl esters were catalyzed by imidazole, A new type of pentacoordinate phosphorus intermediate was proposed.
土壤中许多阴离子都能与磷竞争吸附点位，使得磷的吸附下降。
Many anions in soils are able to compete the adsorptive sites with P, resulting in a decrease in the amount of P adsorbed.
六配位磷机理比较好地解释了咪唑的催化作用。
The mechanism of hexa- coordinate phosphorus intermediate explains the catalytic effect of imidazole.
磷氮类膨胀型阻燃剂(ifr)阻燃塑料存在着吸湿性大、热稳定性和相容性差等缺点，通过对ifr的表面处理、微胶囊化、协同阻燃以及使用“三位一体”型ifr可以减低上述缺点，提高膨胀阻燃塑料的综合性能。
The comprehensive performance of the flame retardant plastics can be improved through surface treatment, microcapsule and synergistic flame retardant of IFR as well as applied using trinity-IFR.
本研究采集西安市汤峪水库中不同点位的沉积物样品进行了氮、磷赋存形态分析。
Taking different point of sediment samples of Tangyu reservoir in Xi 'an City as an example. Study about the distribution characteristics of nitrogen-phosphorus forms.
用MNDO方法对磷酰化组氨酸磷上酯交换反应侧链咪唑基所参与的六配位磷机理进行了研究。
The ester exchange reaction on phosphorus of N-phosphorylhistidine with primary alcohol has been studied by MNDO method.
用MNDO方法对磷酰化组氨酸磷上酯交换反应侧链咪唑基所参与的六配位磷机理进行了研究。
The ester exchange reaction on phosphorus of N-phosphorylhistidine with primary alcohol has been studied by MNDO method.
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