Results 1 to 10 of about 1,780,592 (310)

Description of energy levels and decay properties in 158Gd nucleus [PDF]

Ядерна фізика та енергетика, 2023
In this paper, IBM-1 and IBM-2 with a SU(3) limit are used to describe the 158Gd isotope. The calculations of energy levels in the ground state, beta-, and gamma-bands are made up, which account for 15 energy levels.
Fahmi Sh. Radhi, Huda H. Kassim, Mushtaq A. Al-Jubbori, I. Hossain, Fadhil I. Sharrad, N. Aldahan, Hewa Y. Abdullah   +6 more
doaj   +1 more source

Investigation to the influence of additional magnets positions on four-magnet bi-stable piezoelectric energy harvester [PDF]

Bulletin of the Polish Academy of Sciences: Technical Sciences, 2022
Although the study of oscillatory motion has a long history, going back four centuries, it is still an active subject of scientific research. In this review paper prospective research directions in the field of mechanical vibrations were pointed out ...
Xinxin Li, Kexue Huang, Zhilin Li, Jiangshu Xiang, Zhenfeng Huang, Hanling Mao, Yadong Cao   +6 more
doaj   +1 more source

Investigation of water desalination/purification with molecular dynamics and machine learning techniques

AIMS Materials Science, 2022
This paper incorporates a number of parameters, such as nanopore size, wall wettability, and electric field strength, to assess their effect on ion removal from nanochannels filled with water.
Christos Stavrogiannis, Filippos Sofos, Theodoros. E. Karakasidis , Denis Vavougios   +3 more
doaj   +1 more source

Variational Methods for Atoms and the Virial Theorem

Atoms, 2022
In the case of the one-electron Dirac equation with a point nucleus, the virial theorem (VT) states that the ratio of the kinetic energy to potential energy is exactly −1, a ratio that can be an independent test of the accuracy of a computed solution ...
Charlotte Froese Fischer, Michel Godefroid   +1 more
doaj   +1 more source

Resonant Combustion Start Considering Potential Energy of Free-Piston Engine Generator

Energies, 2020
Free-piston engine generators without a crank mechanism are expected to be used in series hybrid vehicles because of their lower losses. The series hybrid system requires a low starting thrust because the engine frequently starts depending on the battery
Mitsuhide Sato, Takumi Goto, Jianping Zheng, Shoma Irie   +3 more
doaj   +1 more source

Investigating the Spatio-Temporal Distribution of Gravity Wave Potential Energy over the Equatorial Region Using the ERA5 Reanalysis Data

Atmosphere, 2021
Atmospheric gravity waves play a crucial role in affecting atmospheric circulation, energy transportation, thermal structure, and chemical composition. Using ERA5 temperature data, the present study investigates the tropospheric to the lower mesospheric ...
Shih-Sian Yang, Chen-Jeih Pan, Uma Das
doaj   +1 more source

Potential energy catastrophe failure mechanism of “filling body-coal pillar” composite structure

Meikuang Anquan, 2022
In order to study the stability of “filling body-coal pillar” composite structure in roadway backfilling mining, the bearing characteristics of composite structure are analyzed.
WANG Shuokang, YAN Jingjing, YANG Yuanzhong   +2 more
doaj   +1 more source

Robust whole-hand spatial manipulation via energy maps with caging, rolling, and sliding

Frontiers in Robotics and AI, 2023
Humans regularly use all inner surfaces of the hand during manipulation, whereas traditional formulations for robots tend to use only the tips of their fingers, limiting overall dexterity.
Walter G. Bircher, Andrew S. Morgan, Aaron M. Dollar   +2 more
doaj   +1 more source

Potential Energy Recovery and Direct Reuse System of Hydraulic Hybrid Excavators Based on the Digital Pump

Energies, 2023
The potential energy recovery of hydraulic excavators is very significant for improving energy efficiency and reducing pollutant emissions. However, the more common solutions for potential energy recovery require more energy conversion processes before ...
Daling Yue, Hongfei Gao, Zengguang Liu, Liejiang Wei, Yinshui Liu, Xiukun Zuo   +5 more
doaj   +1 more source

Research on the Strategy Evolution of Knowledge Innovation in an Enterprise Digital Innovation Ecosystem: Kinetic and Potential Perspectives

IEEE Access, 2022
With digital technology becoming increasingly mature, the conditions and strategies for innovation subjects to participate in knowledge innovation in enterprise digital innovation ecosystems are being studied.
Hua Zou, Huimin Ji, Hao Qin, Yongquan Guo, Xuanhu Yang   +4 more
doaj   +1 more source