Results 221 to 230 of about 26,975 (324)

Failure Analysis and Maintenance Planning for Repairable Deteriorating Structural Systems Subject to Imperfect Maintenance

Quality and Reliability Engineering International, EarlyView.
ABSTRACT The analysis of a system that deteriorates under imperfect maintenance is essential in reliability engineering. Imperfect maintenance does not fully restore a system to its original condition, leading to complex degradation patterns. Statistical inference techniques allow for precise estimation of degradation parameters, maintenance effects ...
Reza Ahmadi, Mitra Fouladirad
wiley   +1 more source

A Dysprosium Complex with Two Quasi-Degenerate Easy Axes. [PDF]

Inorg Chem
Mattei CA, Mavragani N, Kitos AA, Briganti M, Gálico DA, Murugesu M, Perfetti M.   +6 more
europepmc   +1 more source

Risk Times in Mission‐Oriented Systems

Quality and Reliability Engineering International, EarlyView.
ABSTRACT This article assesses risk times in mission‐oriented systems with high safety standards. We examine critical times under two safety policies. The first requires that the system's reliability function, known the first failure of the components, must exceed a reliability level throughout the mission.
Antonio Arriaza, Jorge Navarro, Patricia Ortega‐Jiménez   +2 more
wiley   +1 more source

Four-Centre, Multielectron Bonding in Rare-Earth Germole Sandwich Complexes. [PDF]

Angew Chem Int Ed Engl
De S, Mondal A, Pitcairn J, Clark L, Tang J, Mansikkamäki A, Layfield RA.   +6 more
europepmc   +1 more source

A Comprehensive Review of Adsorbents for Rare Earth Separation: Design, Synthesis, Adsorption Performance, and Mechanisms

Rare Metals, EarlyView.
ABSTRACT Rare earth elements (REEs) play an irreplaceable role in modern technology and industry. However, due to the highly similar physicochemical properties among REEs, their separation remains a significant challenge. Additionally, REEs often exist in low‐concentration solutions, making efficient REE recovery an urgent task.
Miao‐Miao Huang, Jun Tan, Liu‐Yin Xia, Kai Han, Hong‐Yan Cai, Xin Ma, Shuai Wang   +6 more
wiley   +1 more source

Preliminary exploration of the relationship between ginsenoside content and endogenous hormones of multi stem ginseng and soil properties based on correlation analysis. [PDF]

Front Plant Sci
Chen Y, Xu Z, Qi W, Zhang T, Chen C, Shang X.   +5 more
europepmc   +1 more source

New Advances of Degradable Magnesium‐Based Metal Biomaterials in the Field of Orthopedics

Rare Metals, EarlyView.
ABSTRACT Based on their outstanding biomechanical properties and superior osteogenic activity, magnesium (Mg) and its alloys have been extensively investigated for their biocompatibility and therapeutic efficacy in treating fractures and bone defects.
Jia‐Nan Yu, Shao‐Sheng Jia, Rong‐Bang Sun, Tong Zhang, Ling‐Chuang Bai, Di Mei, Shi‐Jie Zhu, Lan Chen, Shao‐Kang Guan   +8 more
wiley   +1 more source

Magnetic Hysteresis in a Dysprosium Bis(amide) Complex. [PDF]

J Am Chem Soc
Benner F, Jena R, Odom AL, Demir S.
europepmc   +1 more source

Multifunctionality of Magnetic La(Fe, Si/Al)13‐Based Materials: Negative Thermal Expansion and Magnetocaloric Effect

Rare Metals, EarlyView.
ABSTRACT In recent years, the field of magnetic materials has witnessed a paradigm shift from single‐function applications to multifunctional integration, driven by the growing demand for smart materials in advanced technologies. Among various magnetic systems, La(Fe, Si/Al)13‐series materials have emerged as particularly promising candidates due to ...
Irfan Liaquat, Yongqiang Qiao, Qilong Gao   +2 more
wiley   +1 more source

Water Proton Spin Relaxivities and Absolute Fluorescent Quantum Yields of Triply and Quadruply Mixed Lanthanide Oxide Nanoparticles. [PDF]

Int J Mol Sci
Saidi AKAA, Tegafaw T, Zhao D, Liu Y, Mulugeta E, Chen X, Lin Z, Lee H, Baek A, Kim J, Chang Y, Lee GH.   +11 more
europepmc   +1 more source