Results 51 to 60 of about 489,293 (298)

Reference system approach within the white-dwarfs theory [PDF]

, 2017
Reference system approach of non-relativistic electron fluid theory was adapted for calculation of characteristics of the electron-nuclear model at the densities typical of degenerate dwarfs.
Dzikovskyi, D. V., Tyshko, N. L., Vavrukh, M. V.   +2 more
core   +2 more sources

Intercompartmental communication in senescence

FEBS Open Bio, EarlyView.
Senescent cells experience structural changes in the plasma membrane, endoplasmic reticulum, mitochondria, lysosomes, nucleus, and cytoskeleton. These alterations disrupt crosstalk among cellular compartments, impairing vesicular trafficking, contact sites, and molecular flow.
Krystyna Mazan‐Mamczarz, Eleanor J. Wind, Jixiang Leng, Myriam Gorospe   +3 more
wiley   +1 more source

Optimization of exhaust catalytic manifold of internal combustion engine

Journal of Materials Science: Materials in Engineering
The paper presents the results of gas dynamic calculation and strength analysis required to optimize the mathematical model of the body of the catalytic collector of a passenger car.
Vladimir K. Nikolaev, Arkady A. Skvortsov, Zamir F. Khudayarov, Roman S. Nikolaev   +3 more
doaj   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

Experimental Study and Prediction Modelling for Slippage Effect of Gas-Liquid Two-Phase Nozzle Flow

Shiyou jixie, 2022
In order to accurately predict the dynamic parameters of gas-liquid two-phase throttling production of wellbore,a physical simulation test device for gas-liquid two-phase nozzle flow was built.With this device,liquid holdups at different gas-liquid ...
Chen Zhengyu, Xiao Yuyang, Chen Junliang, Liu Jie   +3 more
doaj  

A new approach to analyzing wellbore pressure dynamically in well-killing

Frontiers in Earth Science, 2023
Casing pressure during well-killing is both an unknown variable that must be addressed and a time-dependent function. Therefore, the calculation of the dynamic reaction of wellbore pressure during well-killing is a dynamic indeterminate boundary problem.
Pu Liu, Zhiping Wang, ChenLong Wang, Zhengqiang Tang, Hao Yu, Huixin Liu, Kaixuan Li   +6 more
doaj   +1 more source

Flow equations for the one-dimensional Kondo lattice model: Static and dynamic ground state properties

, 2006
The one-dimensional Kondo lattice model is investigated by means of Wegner's flow equation method. The renormalization procedure leads to an effective Hamiltonian which describes a free one-dimensional electron gas and a Heisenberg chain.
Arovas, Caprara, Ceccatto, Daul, Doniach, Głazek, Heidbrink, Honner, Lenz, Luttinger, McCulloch, Pivovarov, Sachdev, Schrieffer, Shibata, Stein, T. Sommer, Troyer, Trumper, Tsunetsugu, Tsunetsugu, Uhrig, Voit, Wegner, Xavier, Xavier, Yu   +26 more
core   +2 more sources

Dynamics of methane ebullition from a peat monolith revealed from a dynamic flux chamber system [PDF]

, 2014
Methane (CH4) ebullition in northern peatlands is poorly quantified in part due to its high spatiotemporal variability. In this study, a dynamic flux chamber (DFC) system was used to continuously measure CH4 fluxes from a monolith of near‐surface ...
Reeve, Andrew S., Schafer, Karina V. R., Slater, Lee D., Varner, Ruth K., Yu, Zhongjie   +4 more
core   +3 more sources

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

Обеспечение динамической устойчивости компрессора синтез-газа при замене плавающих уплотнений на газодинамические концевые уплотнения [PDF]

, 2011
Рассмотрен комплекс мероприятий, обеспечивающих динамическую устойчивость компрессора синтез-газа поз. 401 при замене масляных уплотнений на газодинамические концевые уплотнения.
Исаченков, А.А., Кухарев, И.Е., Юрко, В.И.   +2 more
core