[Effectiveness analysis of single-incision treatment for adjacent two-segmental lumbar disc herniation using uni-portal non-coaxial spinal endoscopic surgery]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiHe C +6 more
europepmc +1 more source
[Comparison of effectiveness between two endoscopic lumbar interbody fusion techniques and minimally invasive transforaminal lumbar interbody fusion for single-level lumbar degenerative disease]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLi Y, Kong W, Li J, Ma C, Ren Y.
europepmc +1 more source
[Development of an OCTA-based risk prediction model for retinopathy in patients with obstructive sleep apnea and hypertension]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za ZhiDU X, Dong J, Li Y.
europepmc +1 more source
[Follow-up study evaluating morphological changes in alveolar bone in the maxillary anterior region after extraction retraction in adult patients treated with clear aligners on the basis of cone beam computed tomography data]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiHong X +5 more
europepmc +1 more source
[Dynamic stretching promotes osteogenic differentiation of human bone marrow mesenchymal stem cells in three-dimensional culture]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanBai X, Yuan Z, Zhou Y, Lv L.
europepmc +1 more source
, 2014 一种集成式变换反应器，集高温变换反应器和低温变换反应器于一体。反应器主体部分为套筒式结构，由多个不同反应腔体组合而成，包括高温变换反应腔、换热腔、低温变换反应腔和隔热腔，大大提高了反应器的紧凑度，降低了反应器的加工难度，并具有体积较小、集成度高、热量利用合理、CO变换效果好等优点。本发明的反应器可以广泛用于含不同浓度CO的混合气体进行CO变换反应，CO浓度范围较宽，最高可达20%左右。特别适用于烃类化合物进行重整制氢反应后产生的重整尾气，经本发明的反应器变换反应后，产品气中CO浓度可控制在0.8 ...
张骋 +4 more
core
Gaoya dianqi针对双主动桥DC-DC变换器（DAB）的模块化直流变压器，我公司在新型双有源DC-DC拓扑直流变压器进行设计应用，开展了适用于IGCT-Plus作为模组开关器件的直流变压器试验，实现不同电压等级的直流系统的互联，为不同直流负荷提供稳定的直流电压，试验中该直流变压器存在各支路电流长期不平衡流动，会严重影响直流变压器及整个电力系统的长期稳定运行。根据以往工程经验，通过加装均流磁环可对直流变压器低压侧各支路进行均流，均衡三条并联支路的输出特性，防止某一路长期电流应力过大，造成器件老化损坏 ...
韩迪 +5 more
doaj
[Early effectiveness and safety of mini open endoscopy assisted anterior cervical discectomy and fusion in treatment of cervical spondylotic myelopathy]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiPan X, Wang X, Wang C, Su W, Sheng J.
europepmc +1 more source
[Advancements in biomechanics and orthodontic strategies for clear aligner therapy]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiLei X, Jin F.
europepmc +1 more source
[Construction norms for the tiered diagnosis and treatment and standardized management center of metabolic-associated fatty liver disease]. [PDF]
Zhonghua Gan Zang Bing Za ZhiFatty Liver and Alcoholic Liver Disease Study Group +2 more
europepmc +1 more source