Results 161 to 170 of about 6,092 (204)

[Preliminary exploration and reliability analysis of clinical diagnostic method for marginal velopharyngeal insufficiency]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Huang X, Mao Q, Yin H, Wu M, Shi B, Zheng Q, Li J.   +6 more
europepmc   +1 more source

[Comprehensive analytical chemistry experiment： analysis of non-covalent interactions between double-stranded deoxyribonucleic acid and a natural drug by electrospray ionization mass spectrometry]. [PDF]

Se Pu
Ma L, Wang YH, Yuan YL, Wang SS.
europepmc   +1 more source

[Association of increased greater tubercle angle and critical shoulder angle with rotator cuff tears]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Jiang H, Yan Y, Li P, Chen K, Ma H, Zeng Y, Tang X, Cui G.   +7 more
europepmc   +1 more source

[Effectiveness of composite loop plate around coracoid process for reconstructing coracoclavicular ligament in treatment of Rockwood type <b>Ⅲ</b> acute acromioclavicular joint dislocations]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He H, Li N, Liu M, Wang H, Wang Q, Zhang Y.   +5 more
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[Application value of hinge position design of Ilizarov circular external fixator for correcting clubfoot deformity in preventing ankle dislocation]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang D, Yang S, Shi B, Li S, Zhen L, Wang Y, Zhang Y, Qin S, Pan Q.   +8 more
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[Effectiveness of posterior single-level osteotomy with 360° release and correction in treatment of osteoporotic vertebral compression fractures with moderate to severe kyphosis]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Qing P, Xu H, Hu Y, Xie B, Wang T, Zhang L.   +5 more
europepmc   +1 more source

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水利压裂在工作面出切眼期间顶板控制中的应用

建筑结构, 2022
芦岭煤矿为了解决工作面初采期间顶板管理困难问题，芦岭煤矿结合现有技术摒弃传统的放炮工艺。通过施工顶板水力压裂钻孔—人工增加坚硬顶板中裂隙数目，在坚硬顶板中形成复杂水压裂缝网络，破坏其整体性，从而改变坚硬顶板在此支撑点的约束条件和断裂特性，促使采空区悬顶及时垮落，实现了工作面出切眼期间顶板精准控制，确保了安全生产。
郝 小涛
semanticscholar   +1 more source

Motorization, Vehicle Purchase and Use Behavior in China: A Shanghai Surveyä¸­åœ‹ä¹‹æ©Ÿå‹•åŒ–æš¨äº¤é€šå·¥å…·è³¼è²·å Šä½¿ç”¨è¡Œç‚ºï¼šä¸Šæµ·èª¿ç ”å Šæ¡ˆä¾‹åˆ†æž [PDF]

, 2008
Motorization is the transition from non-motorized travel means (e.g., walk) to motorized travel means (e.g., car). China, as the most populous country in the world, has started the motorization process, and its results will have huge impact on the whole world in terms of transportation, energy, environment and automobile market.
openaire  

油气田酸化压裂工艺的应用研究

工程施工新技术, 2023
董乔森, 延树龙
semanticscholar   +1 more source