... single photon emission computerized tomography(SPECT) 单光子发射计算机化断层显象 single step purification 一步纯化(法) single strand(ss) 单链 ...
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Oil samples were converted to their hydroxamic acids in a single step and analyzed without prior separation and purification.
样品一步衍生成羟肟酸上机分析,不需分离纯化。
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