Results 91 to 100 of about 14,931 (168)

坡面径流侵蚀产沙机理试验研究

Shuitu Baochi Xuebao, 2011
利用野外模拟降雨试验,分析不同植被条件覆盖下坡面降雨入渗产流和侵蚀产沙过程特征及其互作关系,阐明不同植被类型对坡面降雨侵蚀产沙过程的调控机理及其差异。结果表明:荒地、草地和坡耕地坡面产流产沙过程线均较林地的强烈,呈现出多峰多谷的特点,产沙过程较产流过程波动更为剧烈;坡面累计产沙量随累计径流量增加呈幂函数显著递增趋势,坡面侵蚀产沙过程表现为发育期、活跃期和稳定期3个阶段。在水沙调控方式上,林地主要通过植被根系削减侵蚀动力、增加入渗、削减径流及减缓流速等途径实现水沙调控,具有蓄水减沙的水土保持功效 ...
朱智勇, 解建仓, 李占斌, 于国强   +3 more
doaj  

[A multi-view stereo vision methodology for digital soft-tissue impressions in fixed implant rehabilitation of edentulous patients]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Yang Y, Tian Y, Shan S, Li W, Shang X, Wang Y, Guo S, Gao Z, Wen A, Zhao Y, Wang Y.   +10 more
europepmc   +1 more source

[Accuracy of dynamic navigation-assisted trephine method for bone harvesting]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Liu J, Zhu N, Chang Y, Gao X, Zhang Y.
europepmc   +1 more source

[Research on tissue regeneration and engineered scaffold materials in prevention and treatment of lymphedema]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yuan S, Deng C.
europepmc   +1 more source

一次灰霾天气下的珠江三角洲NDVI反演 [PDF]

, 2015
匡耀求, 吴波, 周慧杰, 王德辉, 王萌   +4 more
core  

[Advances in liver transplantation technology]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Zhu ZJ.
europepmc   +1 more source

圃場の微細気象 (1) 甘藷畑の気温,湿度,地温,炭酸ガス濃度の日変化 [PDF]

, 1970
木村, 和義, 高須, 謙一
core  

[Progress in microsurgical repair and reconstruction techniques and development of microsurgery in China]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Gu L.
europepmc   +1 more source

圃場の微細気象(3) 稲田の気温,湿度,炭酸ガス濃度の日変化 [PDF]

, 1972
木村, 和義, 高須, 謙一
core  

[Research progress on liver transplantation therapy for hepatic metastases in gastroenteropancreatic neuroendocrine tumors]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Yang K, Zhang WQ, Chen CY, Jiang WT.
europepmc   +1 more source