Results 111 to 120 of about 3,716 (159)

[Strategic orthodontic treatment for multiple mesioangular impacted molars: a case report]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Zhan J   +5 more
europepmc   +1 more source

柔性植被倒伏对地表径流水力特性及侵蚀的影响

open access: yesShuitu Baochi Xuebao
[目的] 为探讨柔性植被倒伏后形成的近地表覆盖减少径流和侵蚀量及调节地表径流水力特性的影响。[方法] 以流体力学和水力学基本理论为依据,通过5个覆盖度、5个坡度和3个流量组合的条件下进行室内放水试验,系统研究柔性植被倒伏下的侵蚀规律以及水动力学特征。[结果] (1)侵蚀量分布随坡度增加呈先上升后下降趋势,流量在高坡度下对侵蚀过程的影响更为显著;(2)随着柔性植被覆盖度增加,以50%覆盖度为分界线,侵蚀量基本呈先降低后增加趋势;(3)平均流速v随覆盖度增加而减小,下降趋势随覆盖度增加由急变缓 ...
蔡泽康   +4 more
doaj  

[Efficacy of free lateral arm tissue flap in repairing complex finger wounds]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Yang X   +7 more
europepmc   +1 more source

[Repair and reconstruction of facial organ injuries: a perfect fit of structure and function]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Song BQ, Pei JM.
europepmc   +1 more source

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