Results 101 to 110 of about 108,758 (150)
[Gait event-driven dynamic changes in brain-muscle networks and neuromuscular coordination mechanisms]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu X, Guo A, Liang T, Liu X, Qin L.
europepmc +1 more source
, 2012 冲击地压巷道支护问题一直是研究的热点。采用相似模拟试验和数值模拟的研究方法,对裸巷和刚柔吸能支护巷道的冲击破坏过程进行研究。试验和数值计算结果均表明,无支护巷道冲击变形破坏较严重,在巷道顶板和两帮壁面均出现裂缝扩展和贯通,甚至出现抛出物冲入巷道和塌落现象;刚柔吸能支护具有缓冲和吸收冲击能作用,表现为巷道顶板和两帮壁面发生向巷道内部变形,同时有局部壁面出现裂缝,但巷道整体性完好;裸巷和吸能支护巷道冲击破坏规律基本一致,吸能支护巷道冲击破坏程度弱,整体性好 ...
吕祥锋, 潘一山
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[Closed-loop regulation system for paralyzed lower limb joint movement based on electrical stimulation of spinal central pattern generator]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiShen X +6 more
europepmc +1 more source
, 2010 目的:以儿童版事件冲击量表为例考察手机测验和纸笔测验的心理测量学等值性。方法:在四川绵竹市某中学对334名初中学生施测手机版本和纸笔版本的儿童事件冲击量表(CRIES-13),并考虑平衡顺序。应用经典测验理论和验证性因素分析取向对跨测验模式的等值性进行检验。结果:两种框架下的分析均得出量表具有较好的信度和结构效度,除个别条目外,在条目水平和量表水平上均存在很高的跨测验模式的等值性。结论 ...
汪浩 +7 more
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[Parent-child relationship and preschoolers' social skills: the cross-time chain mediating role of executive function and emotion regulation]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiLi YW +6 more
europepmc +1 more source
, 1994 为了探讨射孔时水泥环的损伤机理;系统地进行水泥环抗窜的综合试验研究;本文设计了模拟射孔的综合试验装置和材料动态性能测试装置。文中介绍了这两套装置的设计思想和试验方法。文中还对内边界受冲击力作用的镶嵌圆环进行了动光弹实验;结果表明 ...
王立平 +3 more
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[Kahweol improves motor function of mice with spinal cord injury by inhibiting microglial activation <i>via</i> regulating the IκBα/NF-κB pathway]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoXia J +6 more
europepmc +1 more source
[Mechanism of <i>Tongxie Yaofang</i> for reducing 5-HT-induced oxidative stress injury in BRL 3A cells: the mediating role of the SREBP-1/CD1 pathway]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoSong M +5 more
europepmc +1 more source
, 2003 采用低速气炮对B炸药和PBXN—5高聚物粘结炸药进行冲击损伤加载。通过控制弹速对试样进行不同程度的损伤，同时记录冲击加载过程中应力变化过程。对冲击损伤形貌进行显微观察，同时对冲击损伤前后试样密度和声衰减进行测量。结果表明，B炸药和PBXN—5炸药均表现出脆性材料的损伤特征 ...
何松伟 +4 more
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