柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.
柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
Kodak company describes open chain reactive methylene two - equivalent yellow - forming conplers.
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料，经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯；
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
并通过亚甲基蓝溶液在可见光照射下的催化降解脱色率来表征薄膜的催化活性。
And the visible photoelectric activities of the films were characterized by degradation rate of the methylene blue under visible light.
活性 亚甲基上的一个氢原子是被环氧基所取代的。
One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.
测量了比表面积和得率，孔径分布，用碘吸附值、亚甲基兰吸附值测定了中空活性炭纤维的吸附性能，用SEM观察了其表面结构。
The specific surface area, pore size and yield ratio have been measured. Iodine and Methylene blue adsorption were used to study the adsorption capacity of ACHF.
研究了镧盐掺杂对样品相结构、晶粒尺寸和光催化降解亚甲基蓝活性的影响。
The effects of lanthanum salt-doping on the photocatalytic degradation of methylene blue in solution, phase structure and crystallite size of the TiO2 films were investigated.
研究了镧盐掺杂对样品相结构、晶粒尺寸和光催化降解亚甲基蓝活性的影响。
The effects of lanthanum salt-doping on the photocatalytic degradation of methylene blue in solution, phase structure and crystallite size of the TiO2 films were investigated.
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