Zobrazeno 1 - 10
of 4 545
pro vyhledávání: '"Backflow"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 8, Pp 284-288 (2024)
Objective The stray current generated during the operation of urban rail transit vehicles with rail backflow method will cause electrical corrosion to nearby metal objects, while the special rail return mode can solve such problems. It is necessary t
Externí odkaz:
https://doaj.org/article/5048a171585b4b4ea0001d979367aa55
Publikováno v:
Petroleum Exploration and Development, Vol 51, Iss 3, Pp 706-714 (2024)
Fiber is highly escapable in conventional slickwater, making it difficult to form fiber-proppant agglomerate with proppant and exhibit limited effectiveness. To solve these problems, a novel structure stabilizer (SS) is developed. Through microscopic
Externí odkaz:
https://doaj.org/article/95ffb589727f4775a7039e1a7362979c
Autor:
Hu Chenhui, Jiang Haining
Publikováno v:
Redai dili, Vol 44, Iss 2, Pp 365-378 (2024)
This study responds to the current rapid increase in research on the current focus and future direction of the impact of returned overseas talent on regional development at home and abroad, which still lacks a relatively systematic literature review.
Externí odkaz:
https://doaj.org/article/9379939ef8db49779883ab1494d3dbf6
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract Shale reservoirs have complex mineral compositions and are rich in micro-scale pores. It is of great scientific and engineering significance to explore the mechanism of external fluids on the pore throat structure of shale. In this paper, pu
Externí odkaz:
https://doaj.org/article/e3c4b77cf341467e92bbd17b7661d20e
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 18, Iss 1 (2024)
A power failure in the pump condition combined with the rejection of the guide vanes can cause the unit to runaway, which represents a dangerous transitional process for pumped storage power stations. This process is accompanied by intense oscillatio
Externí odkaz:
https://doaj.org/article/e95b04b1d7e8469f80c902967bd83b51
Publikováno v:
Drug Delivery, Vol 31, Iss 1 (2024)
AbstractThe local injection of therapeutic drugs, including cells, oncolytic viruses and nucleic acids, into different organs is an administrative route used to achieve high drug exposure at the site of action. However, after local injection, materia
Externí odkaz:
https://doaj.org/article/9a4ba86d248842bf882809c8cd2c23d5
Autor:
LI Qing'an, WANG Ke, FAN Wei, YANG Hai, HAN Junde, HUANG Ke, KANG Jian, GAO Yaqing, JIANG Yumin
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 6, Pp 1125-1133 (2023)
The backflow and back-pressure propagation induced in a pulse detonation combustor (PDC) are the main factor in causing the thrust losses of a pulse detonation engine. In order to suppression the backflow propagation of a PDC, the aero-dynamic suppre
Externí odkaz:
https://doaj.org/article/3b7d0d8ab4324203b8c20821eb569508
Publikováno v:
Energies, Vol 17, Iss 22, p 5748 (2024)
The dual-active-bridge (DAB) converter is widely used in many applications such as solid-state transformers, multi-port converters, and on-board chargers. Nevertheless, its efficiency degrades significantly under light-load conditions due to high swi
Externí odkaz:
https://doaj.org/article/73197bab68044e03ad7571e9acb4c2b9
Publikováno v:
Micromachines, Vol 15, Iss 10, p 1247 (2024)
The electrowetting display (EWD) device is a new type of electrowetting-on-dielectric (EWOD) equipment that can achieve a paper-like display effect under the control of an electric field. In this microfluidic system, the stability of grayscale can be
Externí odkaz:
https://doaj.org/article/5fba33df71a647ec8cd82f3098fd5b73
Autor:
Xolani Prince Hadebe, Bernard Xavier Tchomeni Kouejou, Alfayo Anyika Alugongo, Desejo Filipeson Sozinando
Publikováno v:
Fluids, Vol 9, Iss 10, p 238 (2024)
This paper presents a comprehensive analysis of a multi-door check valve using computational fluid dynamics (CFD) and finite element analysis (FEA) to evaluate flow performance under pressure test conditions, with an emphasis on its ability to preven
Externí odkaz:
https://doaj.org/article/dea9f499174743f4ad88bdf54c69e583