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:Qinghua Ma , Jianhui Cheng
来源:[J].BMC Ophthalmology(IF 1.444), 2017, Vol.17 (1)Springer
摘要:To determine the prevalence and associated factors for myopia and high myopia among older population in a rural community in Eastern China.
作者:Qinghua Ma , Meng Gou ...
来源:[J].Acta Oceanologica Sinica(IF 0.583), 2017, Vol.36 (12), pp.24-30Springer
摘要:The Guanine nucleotide exchange factor Vav2 (Vav2) is a member of the Vav family that serves as an important regulators for the Rho family of Ras-related GTPases. In the current study, an ortholog (Lj-Vav2) of Vav2 was identified in the lamprey ( Lampetra japonica ). To elucidate...
作者:Qinghua Ma , Linfeng Wang
来源:[J].Journal of Orthopaedic Surgery and Research(IF 1.013), 2016, Vol.11 (1)Springer
摘要:Abstract(#br) Background(#br)Severe localised ossification of the posterior longitudinal ligament (OPLL) should be directly removed by anterior approach, but the exposure during anterior cervical diskectomy and fusion (ACDF) is restricted and may increase the risk of a cereb...
作者:... Tiantian Zhao , Qinghua Ma , Guixi Wang
来源:[J].PLoS ONE(IF 3.73), 2017, Vol.9 (9)DOAJ
摘要:BACKGROUND: The genus Corylus is an important woody species in Northeast China. Its products, hazelnuts, constitute one of the most important raw materials for the pastry and chocolate industry. However, limited genetic research has focused on Corylus because of the lack of genom...
作者:Junwei Wang , Kairui Chen , Qinghua Ma
来源:[J].Entropy(IF 1.347), 2014, Vol.16 (9), pp.5020-5031DOAJ
摘要:This paper deals with the leader-following consensus of multi-agent systems with matched nonlinear dynamics. Compared with previous works, the major difficulty here is caused by the simultaneous existence of nonidentical agent dynamics and unknown system parameters, which are mor...
作者:JUNWEI WANG , LI ZENG , QINGHUA MA
来源:[J].Pramana(IF 0.562), 2011, Vol.76 (3), pp.385-396Springer
摘要:Abstract.(#br)In this paper, the inverse synchronization problem of fractional-order dynamical systems is investigated. A general explicit coupling via an open-plus-closed-loop control for inverse synchronization of two arbitrary unidirectionally or bidirectionally coupled fracti...
作者:Qinghua Ma , Yong Xu ...
来源:[J].Journal of Ophthalmology(IF 1.368), 2016, Vol.2016Hindawi
摘要:Purpose . To determine the prevalence, causes, and associations of visual impairment (VI) among participants aged 60 years or older in a rural community in China. Methods . A community-based survey was undertaken in a rural town located in Eastern China and 4579 people aged ...

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