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Abstract This study aimed to assess the knowledge, attitudes, and practices (KAP) among family members of children with Mycoplasma pneumoniae pneumonia (MPP) and explore the relationships between these dimensions. A cross-sectional survey was conducted at Xuzhou First People’s Hospital (June-July 2025). A structured questionnaire collected demographic information and KAP data from 449 family caregivers. Adequate KAP levels were defined as scores ≥ 70% of the maximum.
Proton conduction of an ionic HOF with multiple water molecules and application as membrane filler in direct methanol fuel cells Owing to the clean and green energy, fuel cells are considered to be one of the most environmentally friendly technologies for achieving the conversion of chemical and electrical energy. While direct methanol fuel cells (DMFCs) have attracted much attention due to their light weight, compactness and high energy density.
3. Results and Discussion In this section, the flow field and vorticity distribution at the mid-plane of the channel height in the non-closed ring-shaped micro-pin-fin array is discussed. The pressure drop and heat transfer performance are explored. Results are compared with traditional circular micro-pin-fin arrays. Effects of pin-fins’ cross-section shape, layout and height are discussed.
Abstract : Despite the fact that engineered surface enabling remarkable phase change heat transfer have elicited increasing attention due to their ubiquitous applications in thermal management, the underlying mechanisms of intrinsic rough structures as well as the surface wettability on bubble dynamics remain to be explored.
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