[Introduction to the recommendations of the EASL clinical practice guidelines for genetic cholestatic liver diseases]. [PDF]
Zhonghua Gan Zang Bing Za ZhiHou W, Zheng SJ.
europepmc +1 more source
五边形三四撑杆全铰接弦支网壳区别于多撑杆索穹顶结构，是将索穹顶结构上层脊索转换为脊杆，形成一种由预应力索、杆组合而成的全铰接曲面双层网格结构体系，便于铺设刚性屋面，减少造价。与传统网壳结构相比，该结构具有良好稳定性和施工便宜性的特点。该结构下弦节点设置三根或四根撑杆，有效提高了整体结构的侧向刚度和稳定性，同时采取铰接节点形式连接，简化节点构造，便于张拉施工。针对五边形三四撑杆全铰接弦支网壳结构，建立ANSYS有限元模型，分析在不同组合工况下该结构索杆内力变化与位移规律。同时 ...
吕辉, 朱忠义, 李丹, 董石麟
core
Jianzhu Gangjiegou Jinzhan焊接是钢结构广泛采用的连接形式。在提高钢材强度等级后，焊接接头在服役过程中对蚀坑、裂纹等缺陷的敏感度增强，且焊接会劣化钢材成分、组织性能进而导致焊接接头产生初始缺陷。因此，在环境腐蚀、应力集中、超载等因素作用下，钢结构焊缝连接未达到设计服役年限就发生疲劳断裂，造成严重的资源浪费。基于对多因素耦合下高强钢焊缝连接疲劳性能研究现状的总结，介绍了腐蚀疲劳机理及腐蚀预测模型，分析了疲劳设计方法及疲劳寿命评估理论，归纳了焊接残余应力、点蚀坑以及初始裂纹对焊缝连接疲劳性能的影响。结果表明：焊接工艺 ...
郭宏超, 关晓迪, 王铳, 赵越
doaj +2 more sources
[Chinese expert consensus on the diagnosis and treatment strategies for refractory/resistant cytomegalovirus infection in immunocompromised populations (2025)]. [PDF]
Zhonghua Xue Ye Xue Za ZhiInfectiology Group +6 more
europepmc +1 more source
[Early effectiveness of total talar replacement with three-dimensional-printed talus prostheses in steroid-induced talar avascular necrosis]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiCao B +11 more
europepmc +1 more source
[Geometric position relationship between gingival, preparation, restoration margins and the cementation (adhesive) layer in the marginal area: new classification and scheme for margin position]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiYu H, Luo T.
europepmc +1 more source
[Research progress in repair of post-epicanthoplasty deformity]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiRen B, Chen W.
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan为研究螺栓连接梯形波纹腹板钢梁的受剪力学性能，设计并加工6根螺栓连接梯形波纹腹板钢梁试件，开展了钢梁受剪试验，试验结果表明：所有试件的波纹腹板均发生了剪切屈曲破坏，得到了波纹腹板的剪切屈曲临界荷载以及钢梁的受剪承载力指标。在考虑材料非线性、几何非线性以及几何初始缺陷的基础上，建立了螺栓连接梯形波纹腹板钢梁的有限元模型，并与钢梁受剪试验结果进行对比，验证了所建立有限元模型的准确性。进一步开展有限元参数分析，探究了波纹腹板高度、厚度、波纹宽度以及螺栓间距对钢梁受剪承载力的影响规律。根据试验数据 ...
高立强 +4 more
doaj
["Chongqing experiences" in treatment of bone infections]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiXie Z.
europepmc +1 more source
[Treatment of hyperextension-type bicondylar tibial plateau fractures assisted by mirrored three-dimensional printing technology]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiJu W, Li L, Xu L, Li C, Zhou X, Ju J.
europepmc +1 more source