Results 121 to 130 of about 11,279 (160)

[Adhesive property and flexural strength of patterned microstructured zirconia posts fabricated by 3D printing]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Jiang Q, Yin L.
europepmc   +1 more source

[Effects of cold atmosphere plasma treatment on the biological behavior of human gingival fibroblasts]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zheng M, Ma X, Chen H, Zhao H, Zhang Y, Tan J, Li H, Wang X.   +7 more
europepmc   +1 more source

垂直型直流接地极接地性能研究

Dianci bileiqi
直流接地极接地特性的准确计算和定量分析是直流接地极优化设计的基础工作，也是保障直流输电系统正常及故障工况下安全稳定运行的重要基础。本研究基于直流接地极散流物理过程的分析，采用电磁场基本理论，建立了直流接地极接地性能有限元数值计算模型；其中，直流接地极截面尺寸与接地极长度及散流空间尺寸相差104数量级以上，为解决巨大的尺寸差异带来的计算奇异及过大的计算量问题，模型中采用具有虚拟厚度的二维薄壳代替三维接地导体，并对无穷散流空间引入空间坐标变换。在此模型基础上，计算单根垂直性直流接地极散流电场 ...
李景丽, 李传举, 朱子卓, 刘璐瑶   +3 more
doaj  

[Isolation, identification, and metabolic characterization of a <i>Veillonella parvula</i> isolated from supragingival plaque in a patient with rampant caries]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
He Z, Zhang H, Chen Z, Xing H, Pan J.
europepmc   +1 more source

[Layered external repair with microsurgery of maxillary central incisor with external cervical resorption]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Ji X, Zhang L, Huang D.
europepmc   +1 more source

[Advancements in biomechanics and orthodontic strategies for clear aligner therapy]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Lei X, Jin F.
europepmc   +1 more source

[Long-term prognosis and influencing factors of anterior composite resin restoration]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chen W, Wu F, Wei X.
europepmc   +1 more source

[Short-term effectiveness study and finite element analysis of high tibial osteotomy for knee varus with medial meniscus posterior root tear in middle aged and older populations]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Tao Y, Liu W, Wang Y, Fan J.
europepmc   +1 more source

[Short-term effecetiveness of endoscopic lumbar discectomy combined with annular suturing in treatment of lumbar disc herniation]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang S, Yao F, Liao Z, Wang T, Shen M.
europepmc   +1 more source

[Super microsurgical lymphaticovenular anastomosis for limb lymphedema: An outcome analysis based on clinical stage and indocyanine green pattern]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Wu J, Xue Y, Chen S, Guo Y, Liu Y, Zhang W.   +5 more
europepmc   +1 more source