Results 71 to 80 of about 814 (120)

双排高立式尼龙网阻沙障与草方格固沙障的优化配置及防沙效益

open access: yesShuitu Baochi Xuebao
[目的] 针对双排高立式尼龙网阻沙障与草方格固沙障联合应用,开展风洞试验研究,以优化联合沙障中尼龙网阻沙障孔隙度配置及探究各孔隙度下联合沙障的防沙效益。[方法] 基于风洞模拟试验数据,开展不同孔隙度(40%,45%,55%)联合沙障,在不同风速下的风速流场、空气动力学粗糙度、摩阻风速、输沙率随高度和阻沙率方面的变化特征研究。[结果] (1)相同风速下尼龙网阻沙障孔隙度40%时,联合沙障弱风区面积最大;(2)随着尼龙网阻沙障孔隙度的增大,空气动力学粗糙度和摩阻风速减小,相同风速和相同位置时,40 ...
王茂林   +4 more
doaj  

[Extracellular matrix materials and tissue regeneration and repair]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhao L, Xie H.
europepmc   +1 more source

[Advances in the assessment and management of voice disorders]. [PDF]

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

[Stroke-p2pHD: Cross-modality generation model of cerebral infarction from CT to DWI images]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang Q   +5 more
europepmc   +1 more source

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