Results 71 to 80 of about 538,199 (118)

[Zeta-focal bone lengthening for bone defects after fracture-related infection: a two-case based research]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Aihemaitijiang Y   +5 more
europepmc   +1 more source

沙床形之三維多顆粒泥砂躍移研究

open access: yes, 2006
以往研究的成果,主要是針對二維泥砂顆粒與底床顆粒的碰撞行為以及泥砂顆粒的運動型態作探討(Garcia and Nino(1994,1998)、陳彥旭(1998)、游景雲(1999)),已獲得不錯之成果。在有關三維泥砂運行與躍移之研究,本研究群(林穎典(2000)、李博甯(2001)、王筱雯(2002)),均假設底床為規則顆粒組成之平坦床形,建立一包含底床碰撞與空間碰撞之三維多顆粒連續躍移數值模式,藉此模式探討顆粒躍移之運動特性。然而一般明渠中,底床床型會依流速的不同而呈現包括平整(flat bed ...
李鴻源
core  

径流及泥沙中~7Be含量分布与影响因素研究

open access: yes, 2007
通过分析次降雨下,来自坡耕地、荒草地、灌木林地径流小区径流、泥沙中7Be含量,发现径流中7Be浓度较小,均值为0.92 Bq/L,但次降雨过程由于受径流量的影响,随径流流失的7Be量较大。坡耕地小区随径流流失7Be占整个小区7Be流失量的11%~33%,对示踪结果影响较大。与地表土壤相比较,侵蚀泥沙中7Be含量较大,尤其是荒草地和灌木林地小区。坡耕地小区侵蚀泥沙颗粒分选性对泥沙中7Be含量影响不明显,它主要受侵蚀类型的影响 ...
杨明义, 张风宝
core  

[Clinical effects of antibiotic bone cement and VSD combined with free chimeric anterolateral thigh perforator myocutaneous flaps for sequential treatment of diabetic calcaneal osteomyelitis wounds]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Zhong YH   +10 more
europepmc   +1 more source

[Preparation of purified proteins from fresh Pheretima and their inhibitory effect against pulmonary fibrosis in mice]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao, 2022
Li S   +7 more
europepmc   +1 more source

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