Results 51 to 60 of about 1,912,328 (337)

Essence of the vacuum quark condensate

open access: yes, 2010
We show that the chiral-limit vacuum quark condensate is qualitatively equivalent to the pseudoscalar meson leptonic decay constant in the sense that they are both obtained as the chiral-limit value of well-defined gauge-invariant hadron-to-vacuum ...
Craig D. Roberts   +5 more
core   +1 more source

Pediatric Oncology Nursing Competencies in Latin America and the Caribbean: A Scoping Review to Inform Practice, Education, and Research

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Nurses are central to cancer care for children and adolescents, yet no comprehensive synthesis has defined essential core competencies for pediatric oncology nursing (PON) practice internationally, particularly in Latin America and the Caribbean (LAC).
Luís Carlos Lopes‐Júnior   +7 more
wiley   +1 more source

The Physicochemical and Functional Properties of Biosurfactants: A Review

open access: yesMolecules
Surfactants, also known as surface-active agents, have emerged as an important class of compounds with a wide range of applications. However, the use of chemical-derived surfactants must be restricted due to their potential adverse impact on the ...
Salome Dini   +4 more
doaj   +1 more source

The Essence of Intuitive Set Theory [PDF]

open access: yes, 2001
Intuitive Set Theory (IST) is defined as the theory we get, when we add Axiom of Monotonicity and Axiom of Fusion to Zermelo-Fraenkel set theory. In IST, Continuum Hypothesis is a theorem, Axiom of Choice is a theorem, Skolem paradox does not appear ...
Nambiar, Kannan
core   +2 more sources

Pulmonary Dysfunction Is Associated With Sleep Study Abnormalities in Children With Sickle Cell Disease: A Multicenter Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash   +4 more
wiley   +1 more source

ESSENCE AND ROLE OF THE INVESTMENT STRATEGY WITH REGARD TO REALIZATION OF ENTERPRISE’S INVESTMENT ACTIVITY [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2013
The article presented is dedicated to the problem of investment strategy within the framework of an economic entity. Numerous specialized references have been examined in this regard.
Angela SESTACOVSCAIA
doaj  

Perfection in Multiplication: Ferdinand Ulrich’s Thomistic Metaphysics of Existential Limit in Historical and Dialectical Context (part 1) [PDF]

open access: yesStudia Gilsoniana
Ferdinand Ulrich’s Homo Abyssus: The Drama of the Question of Being (HA) offers a systematic reconstruction of the metaphysics of Thomas Aquinas, at the heart of which is a retrieval of the uniquely positive status Aquinas affords to created multiplicity
Lucas Buchanan Carroll
doaj   +1 more source

Aristotle on Essence and Habitat [PDF]

open access: yes, 2015
Despite his awareness that organisms are well suited to the habitats they are typically found in, Aristotle nowhere tries to explain this. It is unlikely that he thinks this “fit” (as I call it) between organisms and their habitats is simply a lucky ...
Gelber, Jessica
core  

From k-essence to generalised Galileons

open access: yes, 2011
We determine the most general scalar field theories which have an action that depends on derivatives of order two or less, and have equations of motion that stay second order and lower on flat space-time.
C. Deffayet   +4 more
core   +3 more sources

Prevalence and Trajectory of Household Material Hardship Among Children With Advanced Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Families of children with advanced cancer living in poverty experience inferior outcomes including poor parent mental health and worse child quality of life. Household material hardship (HMH: food, housing, transportation, and/or utility insecurity) is a modifiable poverty exposure—and potential intervention target—that ...
Sarah Wright   +13 more
wiley   +1 more source

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