THE EFFECTIVENESS OF GRAPHIC HEALTH WARNINGS ON TOBACCO PRODUCTS: A SYSTEMATIC REVIEW ON PERCEIVED HARM AND QUIT INTENTIONS

The effectiveness of graphic health warnings on tobacco products: a systematic review on perceived harm and quit intentions

Abstract Background Examination of the format and framing of the graphic health warnings (GHWs) on tobacco products and their impact on tobacco cessation has received increasing attention.This review focused on systematically identifying and synthesizing evidence of longitudinal studies that evaluate different GHW formats and specifically considere

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Analysis and Revision of Torque Formula for Hydro-viscous Clutch

Hydro-viscous clutch is a speed-regulating device for heavy fans and water pumps.It has important engineering significance in the fields of soft-start for rotating machinery.More and more attention has been paid to its torque and control characteristics.This paper is focused on the torque formula for hydro-viscous clutch (HVC), assuming that multi-

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