Results 61 to 70 of about 1,016 (104)

[Application of Kartogenin in cartilage tissue engineering]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Jiang J, Zhang S, Lu W.
europepmc   +1 more source

草原干涸湖床地表粒度特征及其对沙尘释放的影响

open access: yesShuitu Baochi Xuebao
[目的] 为探究干涸湖盆典型地表风蚀过程及盐碱尘暴形成的机理。[方法] 以锡林郭勒盟阿巴嘎旗查干淖尔干涸盐湖为研究对象,从湖心到湖岸根据盐湖地表的动态演化过程选择4种典型地表(结皮地表、破碎地表、活化地表和沙化地表),分析从湖心到湖岸近地表土壤粒度分布特征、风速廓线及输沙规律等。[结果] (1)从湖心向湖岸延伸,地表0—2 cm沉积物颗粒粒配整体呈逐渐变粗的趋势,且以黏粒和粉粒为主;(2)干涸盐湖从湖心到湖岸风速整体呈降低趋势,不同地表的风速廓线基本符合Karman的速度对数分布规律,且拟合效果较好 ...
李思瑶, 蒙仲举, 祁帅
doaj  

[Novel clinical insights and frontier issues in alpha- fetoprotein-producing gastric cancer]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Luo B, Liu H, Xie W, Gong W.
europepmc   +1 more source

[Rehabilitation guidelines and specifications for traumatic spinal cord injury (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Professional Committee Of Spine And Spinal Cord Injury Rehabilitation China Association Of Rehabilitation Of Disabled Persons   +3 more
europepmc   +1 more source

[Exosomes from folic acid-treated subpatellar fat pad-derived mesenchymal stem cells promote M2 polarization of macrophages <i>in vitro</i>]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Wang Z   +9 more
europepmc   +1 more source

RegCM3对三江平原下垫面变化的敏感性检验

open access: yes, 2010
张伟, 闫敏华, 陈泮勤
core  

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