Blended learning options vary and universities are exploring an assortment of instructional combinations, some involving video lectures as a replacement for face-to-face (f2f) lectures.This methodological study investigates the impact of the provision of lecture choice (online or f2f) on overall student achievement and course engagement.This resear

The number of cloud droplets formed at the cloud base depends on both the properties of aerosol particles and the updraft velocity of an air parcel at the cloud base.As the spatial scale of updrafts is too small to be resolved in global atmospheric models, the updraft velocity is commonly parameterised based on the available turbulent kinetic energ

Abstract Background Spontaneous perforation of the urinary bladder is a rare disease entity.Due to its rarity, it is often hard to diagnose.Case presentation We Microphones present a case of a 2-year-old patient who presented with bowel obstruction and renal failure after scheduled correctional vertebroplasty due to congenital kyphosis.During explo

Abstract Ignition advance angle is one of the important factors affecting the performance of the engine, when it occurs abnormally will make the engine power and economy worse, and even cause serious damage to the engine.Therefore, it is very necessary to recognize the abnormal ignition advance angle of the engine.However, the engine system is clos