Results 91 to 100 of about 13,141,647 (272)

Os semimetais na origem e evolução da vida

Química Nova, 2012
Metalloids have characteristics between metals and non-metals which give them, in some cases, specific properties. At least two of this chemical elements, boron and silicon, are essential to a significant number of living organisms and since some years ...
Manuel Aureliano, Pedro A. Nolasco, João J. R. Fraústo da Silva, José Armando L. da Silva   +3 more
doaj   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

What Do Large Language Models Know About Materials?

Advanced Engineering Materials, EarlyView.
If large language models (LLMs) are to be used inside the material discovery and engineering process, they must be benchmarked for the accurateness of intrinsic material knowledge. The current work introduces 1) a reasoning process through the processing–structure–property–performance chain and 2) a tool for benchmarking knowledge of LLMs concerning ...
Adrian Ehrenhofer, Thomas Wallmersperger, Gianaurelio Cuniberti   +2 more
wiley   +1 more source

Associations between environmental non-essential heavy metals, ecobiochemistry and health [PDF]

, 2019
Environmental heavy metals should be a concern of the entire world due to its impact on the animal and human population. "Heavy metals" is a generic name used for metals characterized by relatively high atomic weight, density, and atomic number.
Ahmadi Mirela, Ştef Lavinia, Şmuleac Adrian, Milovanov Cornelia, Pascalau Raul, Dumitrescu Gabi, Mederle Narcisa, Smuleac Laura Iosefina, Nicula Marioara, Dronca Dorel, Pet Ioan   +10 more
core  

Non-Fermi-liquid behavior and anomalous suppression of Landau damping in layered metals close to ferromagnetism [PDF]

, 2015
Financial support from the EPSRC (U.K.) under Grants No. EP/G03673X/1 (S. P. R.) and No. EP/I031014/1 (C. A. H.) is acknowledged.We analyze the low-energy physics of nearly ferromagnetic metals in two spatial dimensions using the functional ...
Hooley, Chris, Ridgway, Samuel
core   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

Advanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice, Krzysztof S. Stopka, Michael D. Sangid   +2 more
wiley   +1 more source

NFDI MatWerk Ontology (MWO): A BFO‐Compliant Ontology for Research Data Management in Materials Science and Engineering

Advanced Engineering Materials, EarlyView.
This article presents the NFDI‐MatWerk Ontology (MWO), a Basic Formal Ontology‐based framework for interoperable research data management in materials science and engineering (MSE). Covering consortium structures, research data management resources, services, and instruments, MWO enables semantic integration, Findable, Accessible, Interoperable, and ...
Hossein Beygi Nasrabadi, Ebrahim Norouzi, Kostiantyn Hubaiev, Jörg Waitelonis, Harald Sack   +4 more
wiley   +1 more source

Heavy metal content and potential health risk of geophagic white clay from the Kumasi Metropolis in Ghana

Toxicology Reports, 2016
Geophagia is the craving for non-food substances and commonly practiced among pregnant women and children. Consumption of geophagic clay samples can have serious implications on the health of the consumers as a result of the presence of toxic metals such
Marian Asantewah Nkansah, Mavis Korankye, Godfred Darko, Matt Dodd   +3 more
doaj   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

An Overview of Heavy Metals in Cosmetic Products and Their Toxicological Impact

Applied Sciences
Awareness of cosmetic product safety has grown in recent years. Certain ingredients and impurities, including heavy metals, may pose health risks to consumers.
Alexandra Jităreanu, Adriana Trifan, Ioana-Cezara Caba, Ioana Mârțu, Luminița Agoroaei   +4 more
doaj   +1 more source