Results 81 to 90 of about 90,279 (135)

混凝土工程設計規範之應用

open access: yes, 2009
高健章;混凝土工程委員會混凝土工程設計手冊小組
core  

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

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Feng Y   +7 more
europepmc   +1 more source

Research on the Shear Mechanism of High-strength Concrete Beams Based on the Three-dimensional Rigid Body Spring Method

open access: yes工程科学与技术
为研究混凝土强度等级对梁裂缝的开展以及受剪性能的影响机理,应用3维刚体弹簧元法(3D RBSM)建立高强混凝土梁模型,通过与试验结果的对比,验证3维刚体弹簧元法对高强混凝土梁受剪性能研究的适用性;基于梁-拱模型,对3组混凝土强度等级分别为C60、C70、C80的高强混凝土梁进行受剪性能机制的进一步分解。结果发现:随着混凝土强度等级的提升,梁的极限承载能力逐渐增强,这主要是拱模型抗剪作用的增强决定的;在达到极限荷载之后,混凝土强度等级更高的钢筋混凝土梁出现更显著的脆性特征,破坏的更加急剧 ...
ZHENG Jiale, FU Li
doaj  

[Influence of porosity and Young's modulus of gelatin methacrylate anhydride hydrogels on the biological behavior of mouse bone marrow mesenchymal stem cells]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Kong Y   +8 more
europepmc   +1 more source

[Establishment of rabbit model of benign circumferential esophageal stricture]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Meng L, Huang Y, Yan X, Wang Y.
europepmc   +1 more source

[Effect of concentrated growth factors in guided tissue regeneration for the treatment of mandibular molar furcation lesions]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wang X   +5 more
europepmc   +1 more source

[Treatment practice and outcomes in 125 patients with autoimmune hemolytic anemia: a single-center retrospective analysis]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Yang F   +25 more
europepmc   +1 more source

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