Results 101 to 110 of about 97,557 (140)

[Clinical characteristics and classification of deep branch of ulnar nerve injury]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yang Y   +8 more
europepmc   +1 more source

[A Review of Archaeological Studies on Dento-maxillofacial Deformities]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Luo G, Deng D, Zhou J, Zhou C.
europepmc   +1 more source

[An investigation study on the technology and training level of ski patrol]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Bai P   +7 more
europepmc   +1 more source

[Archeological Research on Third Molar Degeneration]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Huang H, Zhou J, Zhou X.
europepmc   +1 more source

我国南方丘陵区土壤耕作侵蚀的定量研究

open access: yesShuitu Baochi Xuebao, 2001
通过采用示踪法对四川丘陵区坡耕地的耕作试验研究 ,获得了土壤耕作位移和土壤耕作侵蚀的直接证据 ,确定了耕作侵蚀是四川丘陵区土壤流失的原因之一。试验结果指出 ,四川丘陵区单次耕作的土壤位移量为 43.70~ 6 4.47kg/ m;平均土壤耕作侵蚀速率为 6 5 .0 5~ 97.0 5 t/ hm2 .a。土壤耕作位移受地面坡度的影响十分明显 ,平均位移距离与坡度间呈显著正相关关系。耕作侵蚀速率主要取决于坡体长度 ,只有在坡体长度相同的条件下 ...
doaj  

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