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Biomimetic Capillary Inspired Heat Pipe Wicks

Journal of Bionic Engineering 2014年第3期11卷 469-480页

作者： qian wang jiaju hong yuying yan Energy & Sustainability Research Division of Faculty of Engineering University of Nottingham University Park Nottingham NG7 2RD UK

The possibility of mimicking desirable properties from nature accelerates material improvement and generates commercial interests. For heat pipe development, many attempts have been made in heat pipe wicks to enhance its capillary performance by mimicking biology. Constructing biporous, composite, or nanopillar wicks with aim of achieving hierarchical structure has been found in many studies. Mimicking beetle shell surface to obtain hybrid wettability shows biomimetic potential in heat pipe wicks. This paper firstly reviews some fundamental studies in biomimetics, establishing a general idea of surface wetting and capillary effect. MR/scanning of two live plants （Musa X Paradisiaca and Salix Flamingo） provides the possibility of visualising internal structures in vivo and obtaining rates of water transport in xylem vessels. In addition, by investigating the work inspired directly or indirectly from biomimetics, the role that biomimetics plays in modern heat pipe technology is revealed. Our innovation which syntheses a low level of hierarchical structure and integrates integral wicks for different heat pipe sections including evaporator, adiabatic, and condenser is introduced. Mathematical modelling in terms of capillary pressure and capillary rise rate to characterise such new structure is provided.

关键词： biomimetics heat pipe surface wetting capillary effect wick structure

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Evaluation of a new frequency-volume chart for children with primary monosymptomatic nocturnal enuresis:a prospective,comparative study

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World Journal of Pediatrics 2021年第6期17卷 643-652页

作者： Jing-Jing wang Dong-Jie wang Hai-Dong Fu De-Xuan wang Qing yang Xiao-Jie Peng Rui Fu Huan-Dan yang Rui-Feng Zhang Xiao-Wen wang Jiang-Wei Luan Fei Zhao Qiu-Xia Chen Fang-Fang Liang Lu Cao Jian-Jiang Zhang Ying-Jie Li yang Dong Hui-Mei Huang Ying Bao Xiao-Yu Shen Wei Zhou Guang-Hai Cao Cui-Hua Liu yan-yan Jin Mei-Lin Ma Li Jiang qian Shen hong Xu Jian-Hua Mao Department of Nephrology TChildren's Hospital of Zhejiang University School of MedicineNational Clinical Research Center of Child HealthHangzhouChina Department of Nephrology The Second Attiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina Department of Nephrology Jiangxi Provincial Children's HospitalNanchangChina Department of Nephrology Xuzhou Children's HospitalXuzhou Medical UniversityXuzhouChina Department of Nephrology Wuhan Children's Hospital(Wuhan Maternal and Child Healthcare Hospital)Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina Department of Nephrology Children's Hospital of Nanjing Medical UniversityNanjingChina Department of Rheumatology Shenzhen Children's HospitalShenzhenChina Department of Pediatrics The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina Department of Nephrology Guangzhou Women and Children's Medical CenterGuangzhouChina Department of Nephrology Anhui Provincial Children's HospitalHefeiChina Department of Nephrology The Affiliated Children Hospital of Xi'an Jiaotong UniversityXi'anChina Department of Nephrology Shanghai Children's Medical CenterShanghaiChina Department of Nephrology and Rheumatology Children's Hospital Affiliated to ZhengZhou UniversityHenan Children's HospitalZhengZhou Children's HospitalZhengZhouChina Medical Affairs Department Ferring Pharmaceuticals(Asia)Company LimitedShanghaiChina Marketing Department Ferring Pharmaceuticals(Asia)Company LimitedShanghaiChina Department of Nephrology The Children's Hospital of Fudan UniversityShanghaiChina

Introduction To improve compliance with voiding diaries in children with primary monosymptomatic nocturnal enuresis(PMNE),a new modified 3-day weekend frequency-volume chart(FVC)was designed,and the compliance and validity of this modified FVC was evaluated by comparing with the International Children's Continence Society(ICCS)recommended voiding *** A total of 1200 patients with PMNE were enrolled in the study from 13 centers in China and were randomly assigned to record this modified FVC or the ICCS-recommended voiding *** primary outcome measure was the compliance,assessed by comparing the completing index and the quality score of diaries between two *** secondary outcome measure was the validity,evaluated by comparing the constituent of subtypes,micturition parameters and response rate to *** Among the 1200 participants enrolled in the study,447 patients completed the ICCS-recommended voiding diary and 469 completed the modified *** diurnal completing index and the quality score of the modified FVC group were better than those of the ICCS *** addition,there was no significant difference between these two groups in the subtype classification,or in the response rate to *** The modified FVC could be applied to obtain the voiding characteristics of children with PMNE as the ICCS-recommended voiding diary does and offers a reasonable and better choice for children with PMNE from the unselected population in the future.

关键词： Children Compliance Nocturnal enuresis Voiding diary

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