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Gerontology

L. K. Frank • Journal of Gerontology (1946)

With millions of men and women growing older, baffled by changes in themselves and in the world around them, the country has a definite need for not only large scale provisions for their care but also for a specific and individual service f...

OPENALEX DOI: https://doi.org/10.1093/geronj/1.1_part_1.1

An Introduction to Gerontology

Ian Stuart‐Hamilton • Cambridge University Press eBooks (2011)

With the world's population getting increasingly older, there has never been a more pressing need for the study of old age and ageing. An Introduction to Gerontology provides a wide-ranging introduction to this important topic. By assuming ...

OPENALEX DOI: https://doi.org/10.1017/cbo9780511973697

Effects of electron beam welding on the microstructure and impact properties of three reconstituted steels

HU Minglei, HU Bin, ZHANG Wei, LIU Xiaoou et al. • Fenmo yejin jishu (2025)

Specimen reconstitution technology is important for the in-service safety of reactor pressure vessels (RPVs) in nuclear power plants. To verify the feasibility of electron beam welding for the restructured specimens, the electron beam weldi...

DOAJ Open Access (DOAJ) DOI: 10.19591/j.cnki.cn11-1974/tf.2024070004

2D materials-based 3D integration for neuromorphic hardware

Seung Ju Kim, Hyeon-Ji Lee, Chul-Ho Lee, Ho Won Jang • npj 2D Materials and Applications (2024)

Abstract Neuromorphic hardware enables energy-efficient computing, which is essential for a sustainable system. Recently, significant progress has been reported in neuromorphic hardware based on two-dimensional materials. However, tradition...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41699-024-00509-1

Breaking of Thermopower–Conductivity Trade‐Off in LaTiO3 Film around Mott Insulator to Metal Transition

Takayoshi Katase, Xinyi He, Terumasa Tadano, Jan M. Tomczak et al. • Advanced Science (2021)

Abstract Introducing artificial strain in epitaxial thin films is an effective strategy to alter electronic structures of transition metal oxides (TMOs) and to induce novel phenomena and functionalities not realized in bulk crystals. This s...

DOAJ Open Access (DOAJ) DOI: 10.1002/advs.202102097

One-step fabrication of superhydrophobic fabrics with stable mechanical performance in harsh conditions

Zhuoxing Liu, Kexin Zhao, Jie Ma, Shijie Liu et al. • Nature Communications (2026)

Abstract Developing robust water-repellent textiles is critical for outdoor, protective, and industrial applications. However, achieving long-lasting water repellency under mechanical stress remains a significant challenge. Conventional app...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-026-70857-7

Soft x-ray high-harmonic generation in an anti-resonant hollow core fiber driven by a 3 μm ultrafast laser

D. Morrill, W. Hettel, D. Carlson, B. Shearer et al. • APL Photonics (2025)

High-harmonic upconversion driven by a mid-infrared femtosecond laser can generate coherent soft x-ray beams in a tabletop-scale setup. Here, we report on a compact ytterbium-pumped optical parametric chirped pulse amplifier (OPCPA) laser s...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0292771

Improved object detection method for autonomous driving based on DETR

Huaqi Zhao, Songnan Zhang, Xiang Peng, Zhengguang Lu et al. • Frontiers in Neurorobotics (2025)

Object detection is a critical component in the development of autonomous driving technology and has demonstrated significant growth potential. To address the limitations of current techniques, this paper presents an improved object detecti...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnbot.2024.1484276

Recent progress in tailoring Ni-rich layered oxides via coating and doping strategies for enhanced lithium-ion battery performance

Ha Eun Kang, Seong-Do Kim, Young Soo Yoon, Sang-Jin Lee • Applied Surface Science Advances (2025)

Nickel-rich layered oxide cathodes, typified by compositions such as LiNi₁₋ₓ₋ᵧCoₓMnᵧO₂ (NCM) have garnered significant attention as high-energy-density candidates for next-generation lithium-ion batteries. However, their widespread deployme...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.apsadv.2025.100826

Influence of chemical composition and discontinuities on energy transformation and rock mass behaviour: Insights into geological dynamic

Naeem Abbas, Kegang Li, Yewuhalashet Fissha, Zemicael Gebrehiwot et al. • The Journal of Engineering (2024)

Abstract In this study, efforts were made to incorporate the influence of discontinuities and failure modes of rock into the classification of rock masses. The past tectonic activities may create microfractures in the rock body therefore th...

DOAJ Open Access (DOAJ) DOI: 10.1049/tje2.12388

Fast Timing Techniques in FLIM Applications

Liisa M. Hirvonen, Klaus Suhling • Frontiers in Physics (2020)

Fluorescence lifetime imaging (FLIM) is increasingly used in many scientific disciplines, including biological and medical research, materials science and chemistry. The fluorescence label is not only used to indicate its location, but also...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphy.2020.00161

The electrochemical effects of pitch stabilization for supercapacitor-grade activated carbon precursors

Jeong Han Lee, Min Ju O, Yong-Mook Kang, Kwang Chul Roh • Electrochemistry Communications (2024)

Petroleum pitch (PP) is a by-product generated during the petroleum refining process, characterized by its high carbon content, tunable structure, and cost-effectiveness. These attributes have spurred extensive research into its potential a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.elecom.2023.107638

Thermoelectric properties of high pressure synthesized lithium and calcium double-filled CoSb3

Xiaohui Li, Yulong Kang, Chen Chen, Jianghua Li et al. • AIP Advances (2017)

Lithium and calcium are inefficient filling elements of CoSb3 at ambient pressure, but show nice filling behavior under high pressure. In this work, we synthesized Li/Ca double-filled CoSb3 with high pressure synthesis method. The products ...

DOAJ Open Access (DOAJ) DOI: 10.1063/1.4974501

Effect of Corrosion Product Films Induced by Tensile Stress on P110 Casing Steels Induced in CO2 Environment

Yangzhong Jing, Shuliang Wang, Yuyao Chen, Mingyu Bao et al. • International Journal of Electrochemical Science (2018)

Corrosion product films were formed on P110 casing steels by high-temperature and high-pressure autoclave in a CO2 environment induced by tensile stress. The effects of applied tensile stress on the protection characteristics and electroche...

DOAJ Open Access (DOAJ) DOI: 10.20964/2018.08.21

Effect of Prior Rolling on Microstructures and Property of Diffusion-Bonded Mg/Al Alloy

Yunlong Ding, Jialian Shi, Dongying Ju • Advances in Materials Science and Engineering (2019)

In this study, magnesium alloy AZ91, which was cast by double roll casting system, was rolled by a rolling mill. Then, rolled magnesium alloy and magnesium alloy without being rolled were, respectively, welded with aluminum alloy 6061 by di...

DOAJ Open Access (DOAJ) DOI: 10.1155/2019/4535984

Recent advances of two-dimensional materials in smart drug delivery nano-systems

Hua Zhang, Taojian Fan, Wen Chen, Yingchun Li et al. • Bioactive Materials (2020)

Smart drug delivery nano-systems show significant changes in their physical or chemical properties in response to slight change in environmental physical and/or chemical signals, and further releasing drugs adjusted to the progression of th...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.bioactmat.2020.06.012

Study of the growth mechanism of a self-assembled and ordered multi-dimensional heterojunction at atomic resolution

Zunyu Liu, Chaoyu Zhao, Shuangfeng Jia, Weiwei Meng et al. • Frontiers of Optoelectronics (2023)

Abstract Multi-dimensional heterojunction materials have attracted much attention due to their intriguing properties, such as high efficiency, wide band gap regulation, low dimensional limitation, versatility and scalability. To further imp...

DOAJ Open Access (DOAJ) DOI: 10.1007/s12200-023-00091-2

Information-analytical aspects of the reception organisation of powder microcomposites on an iron basis

A.V. LYULKO, V.V. GRITSENKO, B.B. JMAILOV, V.G. LYULKO • Вестник Донского государственного технического университета (2018)

The basic stages of a complex development direction of a science and practice of powder metallurgy as method of information-analytical representation of its basic aspects are presented. The basic algorithm of carrying out of operations and ...

DOAJ Open Access (DOAJ)