方法：紫外分光光度法测定氟罗沙星注射液含量，用初均速法预测其有效期。
Methods: the content of fleroxacin injection was determined by UV spectrophotometry, the expiry term was predicted by initial average rate methods.
介绍了环流反应器流体力学参数的测定方法，这些参数包括气含率、循环液速、固含率、气泡大小及速度。
Determination methods of parameters which involved gas holdup, liquid circulation velocity, solid holdup, bubble behaviors etc in the loop reactor were introduced.
采用防水型加速度计，在不同工况下测定洗涤冷却管的振动信号，并用小波变换分析信号；讨论了表观气速和静态液位对小波功率谱的影响，分析了冷却管振动的原因。
The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.
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