Results 81 to 90 of about 450,238 (127)

[Application of virtual endoscopy in the diagnosis of adenoid hypertrophy and the morphologic classification of adenoid]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Li Y   +5 more
europepmc   +1 more source

[Research progress of tibial tunnel positioning techniques in posterior cruciate ligament reconstruction]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li R, Liao Y, Guo F, Chen Q, Li S, He C.
europepmc   +1 more source

土壤侵蚀的坡度影响和坡面界限

open access: yes, 2000
在运动波理论基础上,就影响土壤侵蚀的主要因素,包括降雨超渗净雨量,坡面流水深、流速和切应力,以及土壤抗冲蚀能力等随坡度的变化关系进行了理论分析。并进一步对坡面土壤侵蚀的坡度界限做了较细致分析,表明坡度界限是一个变量,随颗粒粒经、容重、坡面糙率、径流长度、降雨入渗差值(净雨量),以及土壤摩擦系数等因素的不同而改变,给出了界限坡度的变化规律,并得出一般情况下土壤侵蚀的坡度界限值应在45°~48 ...
陈力, 李家春, 刘青泉
core   +1 more source

[Guidelines for the Diagnosis and Treatment of Ulnar Impaction Syndrome (2024)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Asian Pacific Wrist Association Specialist Guideline Group On Diagnosis And Treatment Of Ulnar Impaction Syndrome.
europepmc   +1 more source

[Clinical analysis of endoscopic transnasal resection of skull base chondrosarcoma]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Yang X, Yan B, Wei W, Liu J, Wang Z.
europepmc   +1 more source

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