释义 |
NitrophenylBNC²³⁶²¹³⁺¹ 基本例句 硝基苯基 A new electrochemical voltammetric enzyme immunoassay system was investigated based on p- nitrophenyl phosphate PNPP- alkaline phosphatase ALP coupling reaction. 研究了对硝基磷酸苯酯 PNPP为底物伏安法测定碱性磷酸酯酶 ALP的方法。 dictall In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol5000 mPEG activated by p nitrophenyl chloroformate. 为解决胶原酶免疫原性,采用经氯甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。 cnki In this paper, synthesis technology of bis4- nitrophenyl carbonate BPNPC using bistrichloromethyl carbonate BTC with4- Nitrophenol PNP was optimized. 文章对三光气 BTC与对硝基苯酚 PNP反应合成碳酸二4-硝基苯基酯 BPNPC的方法进行了改进。 dictall This paper reports the synthesis of the new reagent1-4- nitrophenyl-3-5-bromopyridyl-triazene NPBPDTand the color reaction of NPBPDT with mercury. 研究了14硝基苯基35溴吡啶三氮烯 NPBPDT的合成及其与汞的显色反应。 cnki Various factors that affect the condensation are discussed. The results show that the yield of 4- Nitrophenyl Benzyl Ether is 84.9 %, and the yield of2,4- Dinitrophenyl Ethyl Ether is72.3%. 考察了不同反应条件下的反应结果,结果表明,在最佳条件下对-硝基苯基苄基醚和2,4-二硝基苯基乙基醚的收率分别为84.9%和72.3%。 chemyq With p- nitrophenyl- azo fluoborate as chromogenic reagent, the optimum condition of determining carbaryl content in eggs by spectrophotometry was discussed and the analysis method was established. 以对硝基苯偶氮氟硼酸盐为显示剂,探讨了分光光度法测定鸡蛋中西维因含量的最佳条件,并建立了分析方法。 dictall |