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Zhou, Qiyuan,Xiao, Bing,Yu, Yuehua,Liu, Bingwen,Huang, Lihong Korean Mathematical Society 2007 대한수학회지 Vol.44 No.3
In this paper, we use the coincidence degree theory to establish new results on the existence and uniqueness of T-periodic solutions for a kind of Rayleigh equation with a deviating argument of the form $x'+f(x'(t))+g(t,\;x(t-\tau(t)))=p(t)$.
Qiyuan Zhou,Bing Xiao,Yuehua Yu,Bingwen Liu,Lihong Huang 대한수학회 2007 대한수학회지 Vol.44 No.3
In this paper, we use the coincidence degreetheory to establish new results on the existence and uniqueness ofT-periodic solutions for a kind of Rayleighequation with a deviating argument of the formx''+f(x'(t))+g(t,x(t-tau(t)))=p(t).
Yamei Xu,Qiyuan Hu,Zongyun Wei,Yi Ou,Youde Cao,Hang Zhou,Mengna Wang,Kexiao Yu,Bing Liang 한국생체재료학회 2023 생체재료학회지 Vol.27 No.00
Diabetic ulcers (DUs) are one of the most serious complications of diabetes mellitus. The application of a functional dressing is a crucial step in DU treatment and is associated with the patient’s recovery and prognosis. However, traditional dressings with a simple structure and a single function cannot meet clinical requirements. Therefore, researchers have turned their attention to advanced polymer dressings and hydrogels to solve the therapeutic bottleneck of DU treatment. Hydrogels are a class of gels with a three-dimensional network structure that have good moisturizing properties and permeability and promote autolytic debridement and material exchange. Moreover, hydrogels mimic the natural environment of the extracellular matrix, providing suitable surroundings for cell proliferation. Thus, hydrogels with different mechanical strengths and biological properties have been extensively explored as DU dressing platforms. In this review, we define different types of hydrogels and elaborate the mechanisms by which they repair DUs. Moreover, we summarize the pathological process of DUs and review various additives used for their treatment. Finally, we examine the limitations and obstacles that exist in the development of the clinically relevant applications of these appealing technologies.
Ferroelectrically tunable magnetic skyrmions in ultrathin oxide heterostructures
Wang, Lingfei,Feng, Qiyuan,Kim, Yoonkoo,Kim, Rokyeon,Lee, Ki Hoon,Pollard, Shawn D.,Shin, Yeong Jae,Zhou, Haibiao,Peng, Wei,Lee, Daesu,Meng, Wenjie,Yang, Hyunsoo,Han, Jung Hoon,Kim, Miyoung,Lu, Qingyo Springer Science and Business Media LLC 2018 NATURE MATERIALS Vol.17 No.12