Results 81 to 90 of about 2,879 (153)

西宁机场新建T3航站楼中央C区网架施工关键技术

open access: yesJianzhu Gangjiegou Jinzhan
钢网架结构因其跨度大、自重轻等优势被广泛应用于大型公共建筑。西宁机场新建T3航站楼中央C区网架具有跨度大、高差大、自重大、悬挑长等特点,具有较高的施工难度。针对施工难题,该项目创新地采用“多阶扩展累积提升、虚拟轴+竖向旋转提升”组合提升技术,具有高效、精准、安全等优点。施工前通过SAP2000软件建模分析,获取结构应力、变形等关键数据,为施工方案提供可靠支撑。多阶扩展累积提升技术通过三级空中停滞、先高阶后低阶提升的方法,解决了错层施工难题,大幅减小高空作业与胎架用量,并缩短工期 ...
陈阿彬, 赵星辰, 张皓
doaj  

[Accuracy of dynamic navigation-assisted trephine method for bone harvesting]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Liu J, Zhu N, Chang Y, Gao X, Zhang Y.
europepmc   +1 more source

[Association of public health and social measures with the effectiveness of COVID-19 epidemic control]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zong H   +5 more
europepmc   +1 more source

[To create the era of oral health management in China]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Luan Q.
europepmc   +1 more source

[Impact of lamina formation range on lumbar biomechanics in unilateral biportal endoscopic spine surgery: a finite element analysis for surgical optimization]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ji S   +10 more
europepmc   +1 more source

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