Results 31 to 40 of about 11,809 (167)
Stability assessment of the road cut slopes in the Xigeda mudstone considering long-term creep deterioration and suggestion for countermeasures: A case study of cut slopes along the Xichang–Panzhihua Expressway [PDF]
The Xigeda clay-rock strata exhibit typical characteristics of long-term creep deterioration and saturation softening, which is typical slide-prone stratum.
Feng WANG +4 more
core +1 more source
Rare Metals, EarlyView.ABSTRACT This study introduces novel nonequiatomic TiZrCoCrMoCux (x = 0, 5, 10; at%) medium‐entropy alloys (MEAx) tailored for orthopedic implants, synergistically combining the biocompatibility of Ti‐based alloys, the wear resistance of CoCrMo alloys, and the antibacterial/osteogenic attributes of Cu. The alloy's microstructure, mechanical properties,
Hang Yu +9 more
wiley +1 more source
On operator semi-stable distributions on RN(有关RN上的算子半稳定分布)
Zhejiang Daxue xuebao. Lixue ban, 2004 对于（c，B）-算子半稳定(operator semi-stable)分布μ，利用c和B的特征根得出 的充分必要条件，其中M是μ的Lévy测度.并利用这个条件得出c和B与算子半稳定过程样本函数的变差之间的关系. 最后，给出了算子半稳定分布是严格算子半稳定的判据.
WANGCheng(王成) +1 more
doaj +1 more source
Electrolyte With Functionalized Boron Nitride Nanosheets for Dendrite‐Free Lithium Metal Anodes
Rare Metals, EarlyView.ABSTRACT Lithium metal batteries (LMBs) are regarded as promising candidates for the next‐generation high‐energy‐density storage systems due to their unparalleled theoretical energy density and low redox potential. However, the commercialization of LMBs is tremendously plagued by the barbaric growth of lithium dendrite and the intricate decomposition ...
Ji Zhou +5 more
wiley +1 more source
Triggering mechanism and secondary landslide analyses of the “7•23” Shuicheng landslide in Guizhou [PDF]
On July 23, 2019, a catastrophic landslide occurred in Jichang Town, Shuicheng District, Liupanshui City, Guizhou Province, resulting in the tragic loss of 43 lives, with 9 people still missing, and causing direct economic losses estimated at ...
Bilong LIU +5 more
core +1 more source
Rare Metals, EarlyView.ABSTRACT Single‐atom catalysis hinges on fundamental challenges in precisely controlling metal‐support interactions and rationally regulating metal–adsorbate relationships. Herein, we report a universal strategy for constructing highly efficient and well‐defined Cu(I) single‐atom catalysts based on a trifurcate AlL3 molecular support.
Donghui Zhang +9 more
wiley +1 more source
Analysis of failure mode and deformation evolution characteristics of slopes under the influence of highwall mining [PDF]
, 2023 The slope has the typical deformation failure and instability characteristics under the interaction of natural and human factors which has been given a lot of attention in geotechnical and mining engineering.
Chuangye WANG +4 more
core +1 more source
Rare Metals, EarlyView.ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo +9 more
wiley +1 more source
Shuitu Baochi Xuebao, 2021 渗透是崩壁降雨重分布的关键且直接影响其重力侵蚀过程。试验设计6次干湿循环，通过进行崩壁4层土壤的饱和渗透试验并结合数字图像处理技术，研究了干湿循环效应下崩壁4层土的裂隙演化规律及其对各层土饱和渗透性能的影响。结果表明：（1）随干湿循环次数的增加，表土层和红土层裂隙发育明显，裂隙率逐渐增加后趋于稳定，过渡层和砂土层几乎没有产生裂隙；表土层在第3次循环后裂隙几乎发育完全，裂隙率达到3.50%，形态纤细且破碎，而红土层在第1次循环后裂隙骨架基本定型，随着干湿循环的进行，裂隙宽度不断增大至一定程度时不再发生变化；
王佳妮, 马戌, 张晓明
doaj
Analysis of Mechanical Behavior and Anti-overturning Stability of Ramp Bridge [PDF]
, 2017 匝道弯桥线型优美、适应性强，广泛应用于城市道路交通建设中。然而，较小的曲率半径也容易引发一些病害事故，例如支座脱空，梁体侧移，预应力筋崩出，甚至梁体倾覆等。为了分析匝道弯桥的受力性能，同时找出这些问题产生的主要原因以及作用规律，本文以厦门实际匝道弯桥为背景，通过有限元建模进行了研究分析。 首先，运用有限元软件建立不同曲率半径以及不同支座布置形式的多座预应力匝道弯桥实体模型，分析它们在多种荷载工况下的受力性能，研究引起匝道弯桥发生支座脱空、梁体爬移、预应力筋崩出等病害的原因。有限元分析结果表明 ...
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