Results 231 to 240 of about 12,962 (293)

Comparative Study on the Surface Properties of Synthetic Carbonated Hydroxyapatite and Natural Hydroxyapatite Before and After Contact with Solutions with de- and Remineralization Activity. [PDF]

Biomimetics (Basel)
Ilieva R, Avramova I, Petrov O, Rabadjieva D.   +3 more
europepmc   +1 more source

From Waste to Value: A Data‐Driven Framework for Sustainable Raw Materials Substitution in the Ceramic Industry

Sustainable Development, EarlyView.
ABSTRACT With increasing geopolitical risks, environmental pressures, and regulatory demands, the sustainable sourcing of raw materials has become a global priority for achieving the United Nations Sustainable Development Goals (SDGs), particularly SDG 9 (Industry, Innovation and Infrastructure), SDG 12 (Responsible Consumption and Production), and SDG
Francesco Parisi, Luciana Randazzo, Davide Settembre Blundo, Isabella Ganci, Silvestro Antonio Ruffolo, Mauro Francesco La Russa   +5 more
wiley   +1 more source

Characterization of Multilayer Structure-Graded Dental Zirconias. [PDF]

Bioengineering (Basel)
Matta RE, Belli R, Hurle K, Sangarapillai A, Sednyev O, Wichmann M, Berger L.   +6 more
europepmc   +1 more source

Double Slag Operating Standard for Mitigation of CO2 Emissions in Basic Oxygen Steelmaking

steel research international, EarlyView.
Basic oxygen furnace (BOF) steelmaking uses a double slag process (DSP) to produce low‐phosphorus steel. To reduce carbon emissions in a BOF, the hot metal ratio (HMR) must be lowered. The present article describes the optimal conditions for DSP operations under low‐HMR conditions: temperature of 1360 ± 5 °C, total Fe content of 10 ± 2 wt%, basicity (=
Kyung Hwan Kim, Joo Hyun Park
wiley   +1 more source

Lunar and Martian Regolith Simulants Desorb and Weather after Exposure to Bioregenerative Life Support System Effluent. [PDF]

ACS Earth Space Chem
Coker HR, Saetta D, Tessema MM, Smith JL, Richardson-Gongora CA, Fischer JA, Roberts HI, Roberson LB, Howe JA.   +8 more
europepmc   +1 more source

Sequential Reduction of Chromite Pellets Using Hydrogen and Silicon Carbide for Carbon Emission Abatement During Ferrochrome Production

steel research international, EarlyView.
H2 prereduction selectively metallizes Fe in UG2 chromite pellets at 1100°C, while silicon carbide becomes active at 1300°C to convert remaining Cr2O3 to carbides and promote Cr metallization. By separating the roles of H2 and SiC, the sequential route reaches up to 65.7% Cr metallization and suppresses in‐furnace CO generation by ≈75% versus ...
D. Coertzen, M. Tangstad, J. P. Beukes, P. G. van Zyl, D. G. Bessarabov, S. P. du Preez   +5 more
wiley   +1 more source

Microbially induced smectite to illite transformation in natural sediments during laboratory compression. [PDF]

Sci Rep
Mills NT, Reece JS, Tice MM, Garza H.
europepmc   +1 more source

Analyses of the Deformability and Chemistry of Non‐Metallic Inclusions in QT Steels With Increased Recycling‐Induced Tramp Element Content

steel research international, EarlyView.
This work uses high‐temperature dilatometry to examine how the tramp elements Cu, Ni, and Sn affect the deformability of non‐metallic inclusions and matrix in quench‐and‐temper steel. Mg‐bearing inclusions deform less than Mg‐free ones. Copper lowers formability. Nickel increases deformability.
Julian Cejka, Isabell Gruber, Gerald Klösch, Susanne Katharina Michelic   +3 more
wiley   +1 more source

Effective Removal of Fe and Ca From Coal Fly Ash for High-Purity and High-Surface-Area Zeolite X Synthesis: A Comparative Study of Acid Refluxing and Acid Roasting Methods. [PDF]

ChemistryOpen
Gaolefufa EMV, Manyapedza T, Beas IN, Modukanele BF, Kabomo MT.   +4 more
europepmc   +1 more source

Microbial Biosurfactants: A Bridge from Aquatic Environments to Subsurface Oil Recovery: Mechanisms, Challenges, Prospects. [PDF]

Life (Basel)
Chang J, Yang W, Jin Y, Zhou Z, Song Z, Zhao W, Liang S, Ma Y.   +7 more
europepmc   +1 more source