Results 71 to 80 of about 4,536,505 (278)
Therapeutic 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
Journal of Statistical Software, 2006 This article extends and amplifies on results from a paper of over forty years ago. It provides software for evaluating the density and distribution functions of the ratio z/w for any two jointly normal variates z,w, and provides details on methods for ...
George Marsaglia
doaj
Biodegradable seedling pots from sawdust and spent mushroom compost
Research in Agricultural EngineeringCircular bioeconomy is rapidly gaining ground in the agricultural sector with priority given to the utilisation of more environmentally friendly materials for production and processing.
Joseph Kofi Conduah +3 more
doaj +1 more source
Quipukamayoc, 2019 Objetivo: El estudio de investigación tiene como objetivo determinar el efecto simultáneo e independiente de la rentabilidad financiera y operativa sobre el precio de la acción (PA) de las empresas en estudio.
Elisabeth Teresa Casamayou Calderón
doaj +1 more source
Sharpening Sharpe Ratios [PDF]
It is now well known that the Sharpe ratio and other related reward-to-risk measures may be manipulated with option-like strategies. In this paper we derive the general conditions for achieving the maximum expected Sharpe ratio.
Ivo Welch +3 more
core
Ambient halocarbon mixing ratios in 45 Chinese cities [PDF]
, 2006 During this study 158 whole air samples were collected in 45 Chinese cities in January and February 2001. The spatial distribution of different classes of halocarbons in the Chinese urban atmosphere, including chlorofluorocarbons (CFCs ...
Barletta, B +8 more
core
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013 The present paper is aimed at assessing the economic efficiency of organically farming agricultural enterprises in a chosen region of the Czech Republic.
Ivana Brožová, Jiří Vaněk
doaj +1 more source
Particle Ratios and the QCD Critical Temperature
, 2010 We show how the measured particle ratios at RHIC can be used to provide non-trivial information about the critical temperature of the QCD phase transition.
Aoki Y +15 more
core +1 more source
Mapping the evolution of mitochondrial complex I through structural variation
FEBS Letters, EarlyView.Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
wiley +1 more source