Results 91 to 100 of about 14,796 (169)

从宁明县自然植被的破坏谈建立自然保护区的重要性

野生动物学报, 1981
植被能为人类提供生态系统的天然“本底”。自然植被是在长期历史过程中,生物及其环境相互作用的产物。随着人口的增长和生产技术的迅速发展,人类对自然植被的冲击和压力日益加剧,各个自然植被的天然景观,正在越来越多地遭到人类的干扰和破坏 ...
梁忠纪
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

[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

[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

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  

[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

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  

[Advances in liver transplantation technology]. [PDF]

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

Huan bei taipingyang di qu dai zhi bei zhong tan san tan si zhi wu xian dui feng du yu qi hou tiao jian guan xi yan jiu [PDF]

, 2010
Barton, Loukas, Chen, Fahu, Jia, GD, Qiang, MR, Rao, ZG, Zhang, JW, Zhu, ZY   +6 more
core  

[Comparative study on the accuracy of extraoral scanning versus intraoral scanning in digital impressions for implant restoration in edentulous jaws]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Yang Y, Li X, Shang X, Shan S, Li W, Qin Q, Wang Y, Zhao Y.   +7 more
europepmc   +1 more source