Results 131 to 140 of about 1,343,113 (227)

Structural characteristics of double layer hard roof and effects on coal pillar and roadway stability. [PDF]

iScience
Li H, Liu C, Liu H, Chen Y, Wu F.
europepmc   +1 more source

Research and Application of Rockburst Prevention Technology in the Return Airway with Deep Thick Hard Sandstone Roof

To address the issue of rockburst in deep return airways caused by thick, hard sandstone roofs in the Hulusu Coal Mine, this study proposes a deep borehole pressure relief technique based on hydraulic fracturing.
Yaozu Ni, Zhixiang Song, Zhensuo Wang, Pengxin Zhang, Yongli Liu   +4 more
core   +1 more source

New Results From the Pre‐Pottery Neolithic Site of Al Uyaynah, Tabuk, in Northwestern Saudi Arabia

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Al Uyaynah is a low sandstone mound on an alluvial plain, long known for its extensive surface remains of stone‐built circular and rectangular structures. Following test excavations in 2012, more detailed excavation was undertaken in 2016 within one of the largest rectangular stone structures.
Khalid Alasmari, Stephanie F. Piper, Kirsten Grothe, W. Derek Hamilton, Delphine Joly, Penny Bickle, Geoff Bailey   +6 more
wiley   +1 more source

Mechanistic study and control of coal pillar deformation and failure in gob-side roadways with extra-thick seams and hard roof. [PDF]

Sci Rep
Zhou J, Shen Q, Li C, Jin H, Liu Y, Jiang H, Zhou T, Li C, Wang B.   +8 more
europepmc   +1 more source

Spectacle and Spy Stories: The 1954 Royal Commission on Espionage

Australian Journal of Politics &History, EarlyView.
ABSTRACT The Menzies government's 1954 royal commission, established to investigate Soviet espionage in Australia, is well known as the backdrop to the Labor Party split. It saw opposition leader H.V. Evatt's demise and ushered in an almost 20‐year period of Liberal Party governance.
Ebony Nilsson
wiley   +1 more source

Investigation on the water-conducting zone evolution in weak overburden due to repeated mining of thick coal seams. [PDF]

Sci Rep
Yang Z, Niu X, Feng Y, Li D, Xu H, Jin S.   +5 more
europepmc   +1 more source

Understanding Rheumatoid Arthritis‐Oral Health Perceptions Around Diagnosis and the Early Disease Course: A Phenomenological Approach

Community Dentistry and Oral Epidemiology, EarlyView.
ABSTRACT Objectives To explore how Dutch adults with rheumatoid arthritis (RA) perceive their oral health around the diagnostic process and the early disease course. The primary objective was to describe these perceptions in depth, and a secondary objective was to identify areas for future patient‐centred research.
Nadine Isabel Bhagwandas, Lotte Arwen van de Stadt, Johanna Margaretha Kroese   +2 more
wiley   +1 more source

Compression-shear behavior of high-resistance backfill walls in gob-side entry retaining for thick seams. [PDF]

Sci Rep
Sun L, Qiao F, Jiang S, Li C.
europepmc   +1 more source

Children's Positioning in Relation to Parental Conflicts When Living in Two Homes

Child &Family Social Work, EarlyView.
ABSTRACT This study examines how children living in two homes position themselves in relation to their divorced parents' low or moderate level everyday conflicts and what kinds of micropractices they adopt to manage these situations. The data consist of interviews and written accounts from 14 Finnish participants aged 8–33, all of whom have childhood ...
Leena Autonen‐Vaaraniemi, Aino Ritala‐Koskinen   +1 more
wiley   +1 more source

Stress and microseismic activity in hard roof thick coal seams under varying mining rates. [PDF]

Sci Rep
Gu ST, Guo ZY, Jiang BY, Li WS, Chen HX, Zhang K.   +5 more
europepmc   +1 more source