Results 51 to 60 of about 536 (104)

[Diagnosis and treatment of vocal cord leukoplakia]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Wu H.
europepmc   +1 more source

[POEMS syndrome misdiagnosed as systemic sclerosis: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Liang J, Zhang X, Yao H.
europepmc   +1 more source

西南高山峡谷区人为耕作扰动对典型坡耕地坡面坡形和微地形的影响

open access: yesShuitu Baochi Xuebao
目的 为探明西南高山峡谷区长期不同耕作扰动方式对耕地坡面地形特征的影响。方法 选取该区域典型坡耕地(坡度为15°,坡长为20 m)为研究对象,通过顺坡耕作与等高耕作方式连续耕作50次,结合测针法与3 D激光扫描技术,探究2种长期耕作扰动方式下坡面坡形和微地形特征的变化。结果 连续顺坡耕作50次后,坡形逐渐由线性坡向“”型复合坡演化,而等高耕作向“”型复合坡演化。连续耕作后,顺坡耕作和等高耕作导致上坡侵蚀范围分别占整个坡面的15%和11%,堆积范围分别占整个坡面的13%和6 ...
王嘉琦   +8 more
doaj  

连续降雨条件下晋西黄绵土坡面径流路径及微地形变化

open access: yesShuitu Baochi Xuebao
目的为阐明连续降雨条件下坡面径流路径与微地形变化特征及其对侵蚀产沙的影响。方法以具有典型代表性的晋西黄绵土坡面为研究对象,开展室内人工模拟降雨试验,降雨强度为30、60、90 mm/h,坡长3 m,宽1 m,坡度15°。结果坡面产流速率随着雨强的增大由144.84 mL/(min·m2)增至978.02 mL/(min·m2),并且随降雨场次的增加增速加快,达到稳定的时间由24 min减小到15 min。产沙方面,不同降雨强度下产沙速率的变化趋势呈显著差异,30 mm/h的雨强下 ...
陈红, 付兴涛
doaj  

[Frameshift mutation in RELT gene causes amelogenesis imperfecta]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Zhang Z, Xu X, Gao X, Dong Y, Tian H.
europepmc   +1 more source

[Application Value of an AI-based Imaging Feature Parameter Model 
for Predicting the Malignancy of Part-solid Pulmonary Nodule]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Lin M   +8 more
europepmc   +1 more source

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