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对13支使用中的石英紫外线灯管在不同电压下的紫外线强度进行观察，发现紫外线强度与电源电压呈正相关。通过相关回归分析，得出线性回归方程4个，以利用不同电压下紫外线强度计算电压为220V时的紫外线强度，并计算出合格紫外线灯管在不同电压下杀灭各类微生物所需的时间。建议：常规紫外线消毒最好在电压较高的大夜班进行，随时进行物体表面消毒时，应根据电压改变定量延长消毒时间。
The UV intensity of 13 quartz lamps under different voltage was observed. It was found that there was a positive correlation between the UV intensity and the power supply voltage. Through regression analysis, we got 4 linear regression equations to calculate the UV intensity when the voltage was 220V under different voltage and calculated the time required for the qualified UV lamp to kill all kinds of microorganisms under different voltage. Recommendation: Conventional UV disinfection is best in the higher voltage night shift, at any time for disinfection of the surface of the object, should be based on the voltage to change the quantitative extension of disinfection time.