Results 51 to 60 of about 1,312 (97)

[Development of a surface electromyography index system for orofacial muscles and validation of a discriminant model in unilateral molar occlusal interference]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li W   +11 more
europepmc   +1 more source

[Application of domestic jingfeng single-port robotic-assisted surgery in multisite diseases of oropharyngeal-head and neck region: case series]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Han P   +6 more
europepmc   +1 more source

[Research progress on external cervical resorption]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Chen R   +5 more
europepmc   +1 more source

风水交互作用下乌兰布和沙漠东缘地表沉积物粒度特征

open access: yesShuitu Baochi Xuebao
目的为揭示黄河上游乌兰布和沙漠段沿岸风沙入黄的物质输运特征与空间分异模式。方法选取沙漠-河流直接接触的典型过渡区,基于地表湿度梯度与沉积物粒度分异,将研究区域细分为边缘区(X1)、过渡区(X2)和近岸区(X3)3个子区域,系统分析表层沉积物粒度组成和输沙特征。结果边缘区以中细沙为主,平均粒径145.03 µm,风蚀作用强烈;过渡区中沙主导,平均粒径217.13 µm;近岸区以粉粒为主,平均粒径24.95 µm,水动力影响明显。各区域地表沉积物分选性差,偏度为极负偏-近对称-极负偏,峰态为尖窄-中等-尖窄。
李思瑶, 蒙仲举
doaj  

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