Results 91 to 100 of about 20,037,007 (385)

Characteristics and modeling of natural fractures under compressive stress field: a case study of the eighth member of the upper paleozoic shihezi formation in southern Sulige

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
This study focuses on the natural fracture system in the tight, low-porosity, and low-permeability He 8 Member of the Shihezi Formation in the southern Sulige Gas Field, exploring fracture development characteristics, spatial distribution, and gas–water ...
Zhiqiang Chen   +3 more
doaj   +1 more source

Reappraisal of the lithological units of the Wuguan Complex: implication for the Paleozoic evolution of the Qinling orogenic belt

open access: yesFrontiers in Earth Science
The Wuguan Complex, located along the southern margin of the Shangdan suture zone, plays a critical role in investigating the tectonic evolution of the Qinling orogenic belt and constraining the collision timing between the North and South China Blocks ...
Ge Wang   +4 more
doaj   +1 more source

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou   +10 more
wiley   +1 more source

Combining soft-bodied and three-dimensional fossils to reveal evolutionary modifications in early lingulellotretid brachiopods

open access: yesCommunications Biology
Living lingulide brachiopods are traditionally recognised as representatives of evolutionary conservatism, showing little change in general-morphology from their Cambrian ancestors.
Feiyang Chen   +6 more
doaj   +1 more source

Characteristics and indication of hydrocarbon-generating organisms in sub-salt Majiagou Formation of well T112, central and eastern Ordos Basin

open access: yesShiyou shiyan dizhi
In recent years, breakthroughs in natural gas exploration have been continuously achieved in the Ordovician Majiagou Formation of the central and eastern Ordos Basin, with geochemical characteristics of self-generation and self-storage.
Yinuo ZHANG   +8 more
doaj   +1 more source

“Above all Greek, above all Roman Fame”: Classical Rhetoric in America during the Colonial and Early National Periods [PDF]

open access: yes, 2011
The broad and profound influence of classical rhetoric in early America can be observed in both the academic study of that ancient discipline, and in the practical approaches to persuasion adopted by orators and writers in the colonial period, and during
Farrell, James M.
core   +2 more sources

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül   +2 more
wiley   +1 more source

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