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[Research progress of cementless prosthesis in total knee arthroplasty]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Tai W, Qi X, Wang B, Chai W.
europepmc   +1 more source

碎石含量对三峡消落带波浪侵蚀的影响

open access: yesShuitu Baochi Xuebao
目的明确碎石含量对三峡库区消落带波浪侵蚀的影响,为消落带波浪侵蚀治理提供理论依据。方法以三峡库区紫色土坡面为研究对象,设置4个碎石含量(10%、20%、30%和40%)和3种坡度(10°、20°和30°),以裸土为对照组CK,开展室内模拟波浪冲刷试验,测定水体浑浊度值、波浪侵蚀率和孔隙水压力,阐明碎石含量对坡面波浪侵蚀的影响。结果1)水体浑浊度随波浪冲刷时间的增加呈现先上升后降至波动稳定的变化趋势,含碎石试验组水体浑浊度值相比CK组减小3.64%~25.93%;2 ...
肖海   +8 more
doaj   +2 more sources

海涂围垦区土壤孔隙特征与强度特性原位试验

open access: yesShuitu Baochi Xuebao
目的为探究原位状态下海涂围垦区土壤强度特性与其孔隙特征之间的关系。方法以江苏省沿海滩涂不同围垦区土壤为研究对象,通过现场十字板剪切试验和CT扫描技术分析土壤结构与土壤原位抗剪强度(Cu)和灵敏度(St)之间的关系。结果滨海(BH)和如东(RD)处St为1.3~5.4,属于中敏感(2~4)至敏感(4~8)范围,但其扰动土的St在不同深度和围垦年限下无明显变化。相比之下,东台(DT)地区扰动土的St差异显著,其各土层深度的St值均高于BH和RD,其中DT1处St最高,BH3处最低。土壤力学性质分析表明 ...
姜子煜   +5 more
doaj   +2 more sources

[Study on the effect of superficial layer damage on cartilage retention performance]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Han Z   +5 more
europepmc   +1 more source

[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Zhao J   +6 more
europepmc   +1 more source

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