Results 31 to 40 of about 3,774,923 (351)

Estimation of the Turkish Boron Exportation to Europe

open access: yesMining, 2022
Borate is an essential material to numerous industries and even to individual countries’ economies, defense, and politics. Almost all industries need borates for production, and almost everybody needs their products. Borate is a compound that contains or
Birol Elevli   +2 more
doaj   +1 more source

The Scrap Collection per Industry Sector and the Circulation Times of Steel in the U.S. between 1900 and 2016, Calculated Based on the Volume Correlation Model

open access: yesMetals, 2018
On the basis of the Volume Correlation Model (VCM) as well as data on steel consumption and scrap collection per industry sector (construction, automotive, industrial goods, and consumer goods), it was possible to estimate service lifetimes of steel in ...
Alicia Gauffin   +1 more
doaj   +1 more source

The Potential and Limitations of Critical Raw Material Recycling: The Case of LED Lamps

open access: yesResources, 2021
Supply risks and environmental concerns drive the interest in critical raw material recycling in the European Union. Globally, waste electrical and electronic equipment (WEEE) is projected to increase by almost 40% until 2030.
Julia S. Nikulski   +2 more
doaj   +1 more source

Material Cycles and Chemicals: Dynamic Material Flow Analysis of Contaminants in Paper Recycling [PDF]

open access: yes, 2016
This study provides a systematic approach for assessment of contaminants in materials for recycling. Paper recycling is used as an illustrative example.
BIR   +18 more
core   +2 more sources

Material Flow Analysis

open access: yes, 2019
Peer ...
Nylund Hasse, Lanz Minna
openaire   +2 more sources

The geometry of thresholdless active flow in nematic microfluidics [PDF]

open access: yes, 2017
"Active nematics" are orientationally ordered but apolar fluids composed of interacting constituents individually powered by an internal source of energy.
Green, Richard   +2 more
core   +3 more sources

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski   +59 more
wiley   +1 more source

THE PARADOXICAL RELATIONSHIP OF COGNITION AND NONCOGNITION [PDF]

open access: yesSTED Journal, 2020
The research was carried out from April to July 2019, in Republika of Srpska. The sample was suitable. It was made up of 294 respondents aged between 15 and 73. The average age of the respondents was 22,92 years.
Miroslav Đurić
doaj   +1 more source

Analysis of the velocity field of granular hopper flow

open access: yes, 2015
We report the analysis of radial characteristics of the flow of granular material through a conical hopper. The discharge is simulated for various orifice sizes and hopper opening angles.
Atman, A. P. F.   +3 more
core   +2 more sources

Patient Activation in Childhood, Adolescent, and Young Adult Cancer Survivors: Current Insights and Implications for Survivorship Care—A Systematic Review From the e‐QuoL Project

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Patient activation—encompassing knowledge, confidence, and skills in managing individual's health—is a cornerstone of person‐centered care. However, its significance among childhood, adolescent, and young adult cancer survivors (CAYACS) remains unexplored. This article examines the application of the 13‐item Patient Activation Measure (
Charlotte Demoor‐Goldschmidt   +12 more
wiley   +1 more source

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