Results 101 to 110 of about 542 (161)

圆钢管掺镍铁渣再生混凝土柱抗震性能及恢复力模型研究

open access: yesJianzhu Gangjiegou Jinzhan
为实现建筑和工业废弃物的再利用,采用镍铁渣代替部分水泥、再生粗骨料代替天然骨料制备镍铁渣再生混凝土(RFC)。进一步地,将RFC填入圆钢管中形成钢管掺镍铁渣再生混凝土(RFCFST)柱。对11根RFCFST柱进行水平低周往复抗震性能试验研究。试验变量包括再生粗骨料取代率、轴压比、约束水平和剪跨比。试验结果表明,RFCFST柱与传统钢管混凝土柱的破坏模式相似。P-Δ效应会显著降低柱的抗侧能力和变形能力,尤其是在大轴压比和大剪跨比情况下。骨料取代率对RFCFST柱的承载力、变形能力和耗能能力几乎无影响 ...
罗才松   +4 more
doaj  

[Influence and mechanism of extracellular vesicles derived from human dermal papilla cells on skin fibrosis in mice]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Wang YW   +7 more
europepmc   +1 more source

[Principles and suggestions on biosafety protection of biological specimen preservation during prevalence of COVID-19]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban, 2020
Zhang X   +6 more
europepmc   +1 more source

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