Zobrazeno 1 - 10
of 669
pro vyhledávání: '"Intrinsic safety"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 223-227 (2024)
Aiming at the problem that the underground communication link of the mine is interrupted and the information of rescuers cannot be exchanged after the disaster, a mine intrinsically safe AD hoc network base station is designed. Based on the SDR platf
Externí odkaz:
https://doaj.org/article/cd4d1489f2e444cc920adb725d9ce113
Publikováno v:
You-qi chuyun, Vol 41, Iss 11, Pp 1261-1266 (2023)
A specialized inline magnetic leakage inspector has been developed for low-pressure natural gas gathering and transmission pipelines with small curvature radii in oilfields. By replacing the polyurethane guide disc of the leakage inspector with a ste
Externí odkaz:
https://doaj.org/article/87354e2846b440e699d756aca021305a
Autor:
QU Jianjun, JI Ruijun
Publikováno v:
You-qi chuyun, Vol 41, Iss 11, Pp 1307-1312 (2023)
As the most important static equipment in oil storage, atmospheric pressure storage tanks, in the long course of time under the influence of the environment, external forces, and the force of different mediums, are apt to meet the problems of partial
Externí odkaz:
https://doaj.org/article/dd91c7f6ede1416daf10619528c7ae7b
Publikováno v:
Elektronika ir Elektrotechnika, Vol 29, Iss 5, Pp 28-35 (2023)
The article presents selected basic problems occurring in the design of intrinsically safe apparatuses, solutions to some of them, and points out mistakes made during their design. The article addresses selected issues related to the design of intrin
Externí odkaz:
https://doaj.org/article/ff11cb408df24f138e5d143ca0c50e36
Publikováno v:
Batteries, Vol 10, Iss 2, p 62 (2024)
Since 2014, the electric vehicle industry in China has flourished and has been accompanied by rapid growth in the power battery industry led by lithium-ion battery (LIB) development. Due to a variety of factors, LIBs have been widely used, but user a
Externí odkaz:
https://doaj.org/article/1f7a45bac08d441cacd3234f292fa0f0
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 8, Pp 16-25 (2022)
The discharge characteristics of intrinsically safe resistive, inductive and capacitive circuits are analyzed. It is pointed out that inductive and capacitive circuits have larger discharge energy and more complex discharge waveforms. The resistive c
Externí odkaz:
https://doaj.org/article/20b7f5e505704ee0b3a28f9fa2b199fe
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-12 (2022)
Abstract We present an optically powered, intrinsically safe gas monitoring system to measure four essential environmental gases (CH4, CO2, CO and O2), together with ambient temperature and pressure, for underground mines. The system is based on thre
Externí odkaz:
https://doaj.org/article/d51e71d6a3a74b009370daddaea9accf
Autor:
ZHANG Yong
Publikováno v:
Meikuang Anquan, Vol 52, Iss 10, Pp 111-114 (2021)
The sensitivity of spark test apparatus is affected by environmental factors, tungsten wire electrode and cadmium disk electrode. In this paper, the intersection / separation trajectories of tungsten wire electrode and cadmium disk electrode in a tes
Externí odkaz:
https://doaj.org/article/f82eb878cb7e4107bad94f864356f43c
Akademický článek
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Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 8, Pp 38-43 (2020)
Most of existing models and methods for research of capacitive circuit spark discharge and high-power intrinsic safety power supply only consider discharge characteristics of energy storage elements during discharge process, and do not consider inf
Externí odkaz:
https://doaj.org/article/97b242e381284f6fa82a61278d6d1db9