Oxygen is often used as reactant in chemical processes.在化学过程中,氧气经常充当为反应物.The synthesis and application of reactant polyurethane fixing agent were introduced.介绍了反应性聚氨酯预聚树脂固色剂的合成及其应用.The influence of reacting temperature a...
三元络合物中钯与显色剂之比为1:3.The ratio of Pd ( II ) to P - BPF was 1:3 in the Complexes.方法减少10倍取样量,改进层析条件和显色剂.Methods: We improved the condition of chromatography and color - developing agent, and sample quantity was reduced 10 - f...