isotopic tracer technique

Studies on functional fractions of fructus trichosanthes cortex by ~ ( 45 ) Ca isotopic tracer technique

用~（45）Ca同位素示踪技术研究瓜蒌皮具钙拮抗作用的活性成分

Direct synthesis of dimethyl carbonate ( DMC ) by CO insertion into methanol promoted by K_2CO_3 / CH_3I was studied by the isotopic tracer technique .

采用同位素示踪技术，系统地研究了K2CO3/CH3I促进的CO2插入甲醇直接合成碳酸二甲酯（DMC）的反应机理。

A study on the physiological activities of ramie roots with isotopic tracer technique

用同位素示踪法探讨苎麻根系生理活性初报

Effects of IAA and zeatin introduced through secondary roots on translocation and partitioning of photosynthate in maize during kernel formation stage and grain filling period was studied in a experiment by using isotopic tracer technique .

利用同位素示踪法研究了根系导入生长素和玉米素对玉米籽粒形成期和灌浆期光合产物输出及分配的影响。

The isotopic tracer technique was applied to study the adsorption and desorption of cobalt-60 in paddy soil on powdery loam , yellow-red earth , paddy soil on blue purple clay and sea clay .

应用同位素示踪技术，研究了60Co在小粉土、黄红壤、青紫泥和海泥中的吸附和解吸。

Methods Facial nerve nuclear injection of radioactive proteins after stereotaxic localization and the isotopic label tracer technique with liquid scintillation counting were used .

方法在立体定位下，面神经核团内注射标记蛋白前体结合闪烁计数技术研究豚鼠面神经损伤后的神经再生速度。