Results 51 to 60 of about 5,734,608 (301)

Exercise Interventions in Children, Adolescents and Young Adults With Paediatric Bone Tumours—A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Bone tumours present significant challenges for affected patients, as multimodal therapy often leads to prolonged physical limitations. This is particularly critical during childhood and adolescence, as it can negatively impact physiological development and psychosocial resilience.
Jennifer Queisser   +5 more
wiley   +1 more source

Ongoing phase separation inside hollow fiber membranes via non-solvent induced phase separation

open access: yesJournal of Membrane Science Letters
This study investigates the critical influence of residual solvent on pore evolution during the non-solvent induced phase separation (NIPS) process. Employing a comprehensive multi-technique approach, including FT-IR spectroscopy, UV absorbance, contact ...
Khalid Mohammad Tayyab   +2 more
doaj   +1 more source

The Energy Cost of Extracting Critical Raw Materials from Tailings: The Case of Coltan

open access: yesGeosciences, 2022
Niobium and tantalum are mainly produced from columbite–tantalite ores, and 60% of their production is nowadays located in the Democratic Republic of Congo and Rwanda.
Ricardo Magdalena   +2 more
doaj   +1 more source

A Maximum Entropy Method of Obtaining Thermodynamic Properties from Quantum Monte Carlo Simulations

open access: yes, 1999
We describe a novel method to obtain thermodynamic properties of quantum systems using Baysian Inference -- Maximum Entropy techniques. The method is applicable to energy values sampled at a discrete set of temperatures from Quantum Monte Carlo ...
A.K. McMahan   +10 more
core   +1 more source

Renewable Energy Issues in Africa Contexts [PDF]

open access: yes, 2018
The relationship between energy and ethics is gaining attention in policy rooms around the world. How does one respond to the competing interests of the environment and posterity while also addressing the energy needs of the present human generation?
Ibanga, Diana-Abasi
core   +2 more sources

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

Trichinella spiralis-derived extracellular vesicles induce regulatory T cells and reduce airway allergy in mice

open access: yesFrontiers in Immunology
IntroductionRespiratory allergies are an increasing global health concern, with current treatments primarily targeting symptoms rather than underlying immune dysregulation.
Sofija Glamočlija   +9 more
doaj   +1 more source

Method of specific energy for determination mechanical characteristics of structural steel (rus) [PDF]

open access: yesИнженерно-строительный журнал, 2011
The studies performed in present article are directed on improvement the practical methods of the existing steel structures examination. In particular, the new method for the determination of the mechanical properties of steel structure elements of the ...
Levanov A.V.   +2 more
doaj  

Analysis of the Effect of the Tool Shape on the Performance of Pre-Cutting Machines during Tunneling Using Linear Cutting Tests

open access: yesApplied Sciences, 2022
Owing to several advantages, mechanical pre-cutting techniques were first introduced in the United States and subsequently used in Europe for tunneling.
Han-eol Kim   +4 more
doaj   +1 more source

Electrostrictive Polymers for Mechanical-to-Electrical Energy Harvesting [PDF]

open access: yes, 2016
Research of electrostrictive polymers has generated new opportunities for harvesting energy from the surrounding environment and converting it into usable electrical energy. Piezoelectric ceramic based devices have long been used in energy harvesting for
Coutu, Ronald A., Jr.   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy