[A case of <i>Bartonella henselae</i> meningitis characterized by bone marrow hemophagocytosis]. [PDF]
DU WQ +6 more
europepmc +1 more source
本发明涉及一种光学镜头拆卸装置。包括用于拆卸待拆卸镜头镜片的拆卸盘面组件与用于固定待拆卸镜头的拆卸底盘组件;拆卸盘面组件包括盘面和用于拆卸时插入待拆卸镜头拆卸孔的导杆组;拆卸底盘组件包括底盘和设置在底盘上用于固定待拆卸镜头的套筒;盘面上设置有用于导杆滑动的轨道槽。本发明提供了一种镜头拆卸简单、镜头拆卸风险小 ...
林上民 +7 more
core
[Establishment and comparative analysis of femoral biomechanical equivalent model]. [PDF]
Shi H +5 more
europepmc +1 more source
本发明提供一滴灌管滴头的粘接方法,它包括滴灌管、滴头材料的配备,滴灌管滴头的粘接,其特征在于:选择滴头材料配方为,高压聚乙烯∶低压聚乙烯∶中密度聚乙烯=2∶6∶2,管胚配方为,高压聚乙烯∶线性聚乙烯∶低压聚乙烯=6∶2∶2,滴头和管胚材料的熔融指数在6~8之间,机头及口模的温度为190℃~200℃,粘接强度高,稳定 ...
牛文全,陈泽沛,吴普特,蓝新民
core
[Selenium-containing polyurethane-modified titanium modulates osteogenic differentiation of mesenchymal stem cells and M2 polarization of macrophages]. [PDF]
Zhai M, Bai X, Fu Y, Xu H, Zhou Y, Lv L.
europepmc +1 more source
[Comparative study on effectiveness of two fixation methods in treatment of mid-column plantar-flexion Lisfranc injuries]. [PDF]
Xiao P, Du R, Xue Y, Jia R, Sun G.
europepmc +1 more source
[Considerations for soft tissue management in endodontic microsurgery]. [PDF]
Huang J, Gu S.
europepmc +1 more source
直流组合电器可以将短路故障电流由真空横磁转移开关转移至并联断路器或熔断器上完成开断,在直流配电网中具有应用潜力。为了得到适用于直流组合电器的真空开关触头设计,文中研究了外施横向磁场下真空电弧在卍字型横向磁场触头上稳定阶段的弧隙中磁场分布和电弧受力规律。基于有限元仿真方法,结果显示卍字型横磁触头与外施磁场叠加后将改变电弧附近磁场分布特性,当电弧处于卍字型触头上的某些位置时,其受力特性不利于电弧快速向触头边缘运动。而电弧在越过卍字型触头开槽时受力变化可能使电弧运动偏转,延长电弧的稳定阶段时间 ...
王昊晴 +5 more
doaj
[Effectiveness of arthroscopic grid-pattern dynamic rotator cuff reconstruction using autologous tendon graft for irreparable massive rotator cuff tears]. [PDF]
Huang K +7 more
europepmc +1 more source
[Noninvasive nanosecond transcranial pulsed electric fields: deep-penetrating, high-field stimulation for suppressing hippocampal amyloid-β and improving cognitive function in an Alzheimer's disease model]. [PDF]
Chen Y, Yao C, Yan F, Xiao P, Lu X.
europepmc +1 more source

