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新技术应用简介 附视频

Dianci bileiqi, 1977
有限元法计算技术在机械产品中的应用有限元法是五十年代从经典力学和数学变分原理的基础上发展起来的一种结构应力数值计算方法。由于它具有精确、快速、灵活等优点,近年来已为工程计算广泛应用。其原理是把所需计算的物体剖分成有限个形状简单的“单元”,单元之间由“节点”联系,利用力学原理,把问题化为一组以节点位移为未知量的线性代数方程组,解方程组就可得到应力分析结果。由于单元可以拼成任意形状,对复杂的边界能较好逼近,因此可以用来解决形状复杂的物体的应力分析问题。
doaj  

[<i>Wuyou</i> Decoction alleviates hippocampal neuronal injury and improves synaptic plasticity in rats with chronic sleep deprivation by inhibiting ferroptosis <i>via</i> activating the Nrf2/HO-1 pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
He L, Wu D, Lai B, Niu Q, Chen J, Gao J, Long Q, Wang Z.   +7 more
europepmc   +1 more source

新技术应用简介

Dianci bileiqi, 1977
有限元法计算技术在机械产品中的应用有限元法是五十年代从经典力学和数学变分原理的基础上发展起来的一种结构应力数值计算方法。由于它具有精确、快速、灵活等优点,近年来已为工程计算广泛应用。其原理是把所需计算的物体剖分成有限个形状简单的“单元”,单元之间由“节点”联系,利用力学原理,把问题化为一组以节点位移为未知量的线性代数方程组,解方程组就可得到应力分析结果。由于单元可以拼成任意形状,对复杂的边界能较好逼近,因此可以用来解决形状复杂的物体的应力分析问题。
doaj  

[Electroacupuncture ameliorates cognitive impairment and suppresses TLR4/MyD88/NF-κB pathway-mediated astrocyte activation in rats with vascular dementia]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Gao J, Shi C, Li W, Shang X, Wang F, Yang Q, Li F.   +6 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]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen Y, Yao C, Yan F, Xiao P, Lu X.
europepmc   +1 more source

[Effect of <i>Huayu Tongluo</i> moxibustion combined with neural stem cell transplantation on hippocampal Drp1/Mfn proteins and mitochondrial dynamics in rats with vascular dementia]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yin W, Li F, Cao Y, Yang Q, Deng Z, Cao S, Sun Y, Bi X, Liang Z, Wu S, Wang B.   +10 more
europepmc   +1 more source

[Correlation between abnormal jaw movement dominated by the lateral pterygoid muscle and symptoms of temporomandibular joint disorder: a retrospective analysis]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Lin J, Wang D, Chen J, Shen S.
europepmc   +1 more source

[Musculoskeletal biomechanical analysis of the three-dimensional gastrocnemius and soleus muscles]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Tang Z, Xu J, Jin Z, Li J.
europepmc   +1 more source

[MiR-124 ameliorates MK-801-induced anxiety-like behaviors in mice by promoting hippocampal neural stem cell proliferation and differentiation]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yu D, Zhi S, Liu Y, Yang Z, Liu J, Shao Y.   +5 more
europepmc   +1 more source

[Preparation of B@PH/GM-V hydrogel microspheres and their antioxidant and osteogenesis-promoting effects]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Feng Y, Liu Y, Shen M, Sun J, Liu B, Lin Z, Lu C, Guo J.   +7 more
europepmc   +1 more source