全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Yifan Yu , Rui Sang ...
来源:[J].Oxidative Medicine and Cellular Longevity(IF 3.393), 2018, Vol.2018DOAJ
摘要:Taraxasterol, a pentacyclic-triterpene compound, is one of the main active components isolated from the traditional Chinese medicinal herb Taraxacum. The objective of this study is to evaluate the protective effects of taraxasterol and its possible underlying mechanisms agai...
作者:Yifan Yu , Sassan Saatchi
来源:[J].Remote Sensing(IF 2.101), 2016, Vol.8 (6)DOAJ
摘要:Synthetic Aperture Radar (SAR) backscatter measurements are sensitive to forest aboveground biomass (AGB), and the observations from space can be used for mapping AGB globally. However, the radar sensitivity saturates at higher AGB values depending on the wavelength and geom...
作者:Yifan Yu , Michael A. Lefsky ...
来源:[J].Remote Sensing(IF 2.101), 2016, Vol.8 (6)DOAJ
摘要:Spatial variation of tropical forest tree height is a key indicator of ecological processes associated with forest growth and carbon dynamics. Here we examine the macroscale variations of tree height of humid tropical forests across three continents and quantify the climate ...
作者:Yifan Yu , Bin Liang
来源:[J].Energies(IF 1.844), 2011, Vol.4 (12), pp.2224-2235DOAJ
摘要:Vehicle to Grid technology allows the batteries of electric vehicles to operate as energy storage elements for renewable energy power systems. The Z-Source inverter is a new and attractive topology for the power electronics interface. In this paper, the equivalent DC-link voltage...
作者:Yifan Yu , Victoria Meyer ...
来源:[J].Environmental Research Letters(IF 3.582), 2018, Vol.13 (9)IOP
摘要:The forests of Kalimantan are under severe pressure from extensive land use activities dominated by logging, palm oil plantations, and peatland fires. To implement the forest moratorium for mitigating greenhouse gas emissions, Indonesia’s government requires information on t...
作者:Yifan Yu , Rui Sang ...
来源:[J].Oxidative Medicine and Cellular Longevity(IF 3.393), 2018, Vol.2018Hindawi
摘要:Taraxasterol, a pentacyclic-triterpene compound, is one of the main active components isolated from the traditional Chinese medicinal herb Taraxacum . The objective of this study is to evaluate the protective effects of taraxasterol and its possible underlying mechanisms aga...
作者:Yifan Yu , Russell Macoon , Anuj Chauhan
来源:[J].Colloids and Surfaces A: Physicochemical and Engineering Aspects(IF 2.108), 2019Elsevier
摘要:Abstract(#br)Dryness and discomfort are considered to be the biggest causes of dropouts in contact lens wearers. We propose a new method to improve lubricity by polymerizing a thin film of a hydrophilic polymer poly-dimethylacrylamide (DMA) on the contact lens. The proposed ...
作者:Yifan Yu , Rui Sang ...
来源:[J].International Journal of Biological Macromolecules(IF 2.596), 2019Elsevier
摘要:Abstract(#br)The study aimed to explore the protective effects of Inonotus obliquus polysaccharide (IOP) on adverse pregnancy caused by Toxoplasma gondii ( T. gondii ) infection and discover its potential mechanisms in pregnant mice. Our data showed that IOP significantly re...
作者:YiFan Yu , Yutong Zhang ...
来源:[J].Biofouling(IF 3.396), 2018, Vol.34 (2), pp.190-199Taylor & Francis
作者:... Junzhi Cui , Yifan Yu , Meizhen Xiang
来源:[J].Acta Mechanica Sinica(IF 0.688), 2018, Vol.34 (3), pp.493-506Springer
摘要:Abstract(#br)In this paper the macroscopic damping model for dynamical behavior of the structures with random polycrystalline configurations at micro–nano scales is established. First, the global motion equation of a crystal is decomposed into a set of motion equations with ...

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