Results 41 to 50 of about 21,998,893 (378)

Using quartzite (silica-SiO2) tailing and kamafugite to reduce ammonia emission in poultry litter [PDF]

open access: yesCiência e Agrotecnologia
The composition of poultry litter plays a crucial role in regulating ammonia levels, humidity, and temperature in poultry houses. This study aimed to evaluate the effectiveness of quartzite tailings (98% SiO2) and kamafugite (35% SiO2) as additives to ...
Tatiana Vilela Carvalho   +4 more
doaj   +1 more source

Environment-induced dynamical chaos [PDF]

open access: yes, 2000
We examine the interplay of nonlinearity of a dynamical system and thermal fluctuation of its environment in the ``physical limit'' of small damping and slow diffusion in a semiclassical context and show that the trajectories of c-number variables ...
A.J. Leggett   +21 more
core   +2 more sources

Changes in Body Composition in Children and Young People Undergoing Treatment for Acute Lymphoblastic Leukemia: A Systematic Review and Meta‐Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Ongoing evidence indicates increased risk of sarcopenic obesity among children and young people (CYP) with acute lymphoblastic leukemia (ALL), often beginning early in treatment, persisting into survivorship. This review evaluates current literature on body composition in CYP with ALL during and after treatment.
Lina A. Zahed   +5 more
wiley   +1 more source

Heuristic Environments

open access: yesInteraction Design and Architecture(s), 2011
The purpose of this research is the identification of a paradigm which fixes the basic concepts and the type of logical relationships between them, whereby direct, govern and evaluate choises on new technologies. The contribution is based on the assumption that the complexity of knowledge is correlated with the complexity of the learning environment ...
openaire   +3 more sources

THE UTILIZATION OF RICE HUSK ASH FOR PRODUCTION ZEOLITE SYNTHESIS Y [PDF]

open access: yes, 2006
Amorphous silica, commonly referred to as rice husk ash, was extracted from rice husk by acid leaching, pyrolysis, and carbon-removing processes. On the other hand, the pure silica with a high specific surface area, high melting point and high porosity ...
Anggoro, Didi Dwi
core  

Patient‐Level Barriers and Facilitators to Inpatient Physical Therapy in Adolescents and Young Adults With a Hematological Malignancy: A Qualitative Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite their increased risk for functional impairment resulting from cancer and its treatments, few adolescents and young adults (AYAs) with a hematological malignancy receive the recommended or therapeutic dose of exercise per week during inpatient hospitalizations.
Jennifer A. Kelleher   +8 more
wiley   +1 more source

Reducing the true cost of food-based safety nets: evidence from India’s subsidized food program

open access: yesEnvironmental Research Letters
Public procurement of food plays a pivotal role in determining the production and consumption of various food items. This is particularly true for staple grains in countries such as India, where the government procures over 40% of rice and wheat.
Raghav Puri, Prabhu Pingali
doaj   +1 more source

Ecology and health: Role of education in solving environmental problems

open access: yesHeart Vessels and Transplantation
Objective: Environmental changes significantly affect the growth of morbidity, including respiratory and cardiovascular diseases, and worsen the physical development of children and adolescents and the mental state of the population.
Gulnura A. Kochkorova   +5 more
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS 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

From Discrimination to Accountability: Exposing and Redressing Racism in the Case of Lead-poisoned Kosovo Roma

open access: yesCritical Romani Studies
Romani communities across Europe face pervasive environmental racism. Among the most notorious of such cases is the lead poisoning of displaced Roma, Ashkali, and Egyptians in camps managed by the United Nations Mission in Kosovo (UNMIK) from 1999–2013.
Beatrice Lindstrom, Driton Berisha
doaj   +1 more source

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