supported by the National Natural Science Foundation of China(51874055,52074047).
To explore the static pressure dynamic disaster mechanism of coal-and-gas outburst(CGO)fluid,the self-developed multifield coupling large-scale physical simulation test system of coal mine dynamic disaster was used to...
Supported partially by the National Key R&D Program of China(2021YFA0718500);the National Natural Science Foundation(Grant No.12333007,12027803);International Partnership Program of Chinese Academy of Sciences(Grant No.113111KYSB20190020)。
Since the launch in June 2017,Insight-HXMT has been in service smoothly in orbit and particularly productive in 2023 and 2024.Among a total number of 238 papers published so far based on Insight-HXMT data,63 were publ...
This work was financially supported by the National Natural Science Foundation of China(No.52104236);the Fundamental Research Funds for the Central Universities(No.22CX06018A);the China Postdoctoral Science Foundation(No.2020M672177).
Faced with the continuous occurrence of coal and gas outburst(hereinafter referred to as“outburst”)disasters,as a main controlling factor in the evolution process of an outburst,for gas pressure,it is still unclear ...
This work was supported by the National Natural Science Foundation of China(Nos.51874055,52074047,and 52064016).
The study of the dynamic disaster mechanism of coal and gas outburst two-phase flow is crucial for improving disaster reduction and rescue ability of coal mine outburst accidents.An outburst test in a T-shaped roadway...
the financial support from the China Postdoctoral Science Foundation(Nos.2022M713384,and 2022M721450);the National Natural Science Foundation of China(Nos.52174187,51704164,and 52130409);the Technology Innovation Fund of China Coal Research Institute(No.2020CX-I-07).
Coal and gas outbursts are dynamic disasters in which a large mass of gas and coal suddenly emerges in a mining space within a split second.The interaction between the gas pressure and stress environment is one of the...
supported by the National Key R&D Program of China(2021YFA0718500);National Natural Science Foundation of China(NSFC,Grant Nos.U1838201,U1838202,11733009,11673023,U1838111,U1838108,U1838105,U1938102,U2038104,U1838110,U1838113,U1838115 and U2031205)。
We report spectral and timing analysis of the black hole transient MAXI J1631–479 during the hard intermediate state of its 2019 outburst from the Insight-Hard X-ray Modulation Telescope(Insight-HXMT)observations.We ...
Supported by the National Natural Science Foundation of China。
We report a further investigation of the optical low frequency quasi periodic oscillations(LF QPOs)detected in the black hole transient MAXI J1820+070 in the 2018 observations with the YFOSC mounted on Lijiang 2.4 m t...
China is the country most seriously affected by coal and gas outburst accidents, which not only has the largest number of outburst mines, but also has a large number of outburst times and intensity. China's annual tot...
The authors are grateful for the support from the National Natural Science Foundation of China(Nos.52004008 and 52004005);Natural Science Foundation of Anhui Province of China(Nos.2008085QE260 and 2008085QE222);a Project is supported by Independent Research fund of The State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines(Anhui University of Science and Technology)(No.SKLMRDPC19ZZ07).
This research reviewed the mechanics and gas desorption properties of intact coal,and tested the crushing work ratios of different intact coals,and then,studied the stress conditions for the failure or crushing of int...
This research has made use of data and/or software provided by the High Energy Astrophysics Science Archive Research Center(HEASARC);which is a service of the Astrophysics Science Division at NASA/GSFC and the High Energy Astrophysics Division of the Smithsonian Astrophysical Observatory;This research has made use of the NuSTAR Data Analysis Software(NuSTARDAS)jointly developed by the ASI Science Data Center(ASDC,Italy);California Institute of Technology(Caltech,USA);This work has made use of XRT data supplied by the UK Swift Science Data Centre at the University of Leicester,UK.A.J.and N.K.acknowledge support from the research fellowship from Physical Research Laboratory,Ahmedabad,India;funded by the Department of Space,Government of India for this work.K.C.acknowledges support from the DST/INSPIRE Fellowship(IF170233);R.B.acknowledges support from the CSIR-UGC NET qualified UGC fellowship(June-2018,527223);Research by S.K.C.and D.D.is supported in part by the Higher Education Dept.of the Govt.of West Bengal,India.S.K.C.and D.D.also acknowledge partial support from ISRO sponsored RESPOND project(ISRO/RES/2/418/17-18)fund.H.-K.C.is supported by MOST of Taiwan under grants MOST/106-2923-M-007-002-MY3 and MOST/108-2112-M-007-003.D.D.acknowledges support from DST/GITA sponsored India-Taiwan collaborative project(GITA/DST/TWN/P-76/2017)fund.
We present the results obtained from detailed timing and spectral studies of a black hole candidate MAXI J1813-095 using Swift,NICER,and NuSTAR observations during its 2018 outburst.The timing behavior of the source i...