Results 61 to 70 of about 350,285 (88)

Low-Temperature Migration-Enhanced Epitaxial Growth of High-Quality (InAs)₄(GaAs)₃/Be-Doped InAlAs Quantum Wells for THz Applications

Crystals
This investigation explores the structural and electronic properties of low-temperature-grown (InAs)4(GaAs)3/Be-doped InAlAs and InGaAs/Be-doped InAlAs multiple quantum wells (MQWs), utilizing migration-enhanced epitaxy (MEE) and conventional molecular ...
Linsheng Liu, Zhen Deng, Guipeng Liu, Chongtao Kong, Hao Du, Ruolin Chen, Jianfeng Yan, Le Qin, Shuxiang Song, Xinhui Zhang, Wenxin Wang   +10 more
doaj   +1 more source

Saint Louis & Hannibal RR (STL&H)) 999

, 1934
A photograph print showing the Saint Louis & Hannibal RR (STL&H)) 999 (Alco), 4-4-0, Hannibal ...
Byrne, James F.
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Construction of a Predictive Model for Dynamic and Static Recrystallization Kinetics of Cast TC21 Titanium Alloy

Crystals
In this study, hot compression experiments were conducted on cast TC21 titanium alloy using a Gleeble-1500D thermal simulation compression tester, and the hot-compressed specimens were heat-treated.
Ziliang Li, Yunpeng Chai, Ling Qin, Yanchun Zhu, Yong Niu, Jiaxin Fan, Zhenwei Yue   +6 more
doaj   +1 more source

New York Central (NYC) 999

, 1939
Photograph of the New York Central (NYC) 999, 4-4-0 "Empire State Express", (once held the world speed record of 112-1/2 mph) New York Worlds ...
Neveil, Raymond
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Influence of Chloride Ion Concentration on Corrosion Behavior of WC–MgO Composite

Crystals
The influence of chloride ion (Cl−) concentration on the corrosion mechanism of WC–MgO composites has been studied in this work. The results suggest that the corrosion resistance of WC–MgO composite decreases first and then increases with the increase in
Bowen Fan, Tao Qin, Ying Zhang, Jinyi Wang   +3 more
doaj   +1 more source

Electronic and Structural Properties of Antibacterial Ag–Ti-Based Surfaces: An Ab Initio Theoretical Study

Crystals
Coatings with tunable multifunctional features are important for several technological applications. Ti-based materials have been used in diverse applications ranging from metallic diodes in electronic devices up to medical implants.
Stefanos Papantoniou-Chatzigiosis, Athina C. Galani, Dimitra Fylaktopoylou, Christina Kourti, Androniki Mosxou, Maria E. Nousia, Thomas Anthopoulos, Elefterios Lidorikis, Christina E. Lekka   +8 more
doaj   +1 more source

A Comparison of the Mechanisms and Activation Barriers for Ammonia Synthesis on Metal Nitrides (Ta₃N₅, Mn₆N₅, Fe₃Mo₃N, Co₃Mo₃N)

Crystals
In this study we perform a comparison of the reaction mechanism and the activation barrier for the rate-determining step in various metal nitrides (Ta3N5, Mn6N5, Fe3Mo3N, Co3Mo3N) for the ammonia synthesis reaction.
Constantinos D. Zeinalipour-Yazdi
doaj   +1 more source

Frequency of individual CL clusters by cluster size in the empirical and 999 Monte Carlo samples.

, 2017
Frequency of individual CL clusters by cluster size in the empirical and 999 Monte Carlo samples.
Felix Niggli (361173), Christian Kreis (3701182), Judith E. Lupatsch (3701179), Matthias Egger (24558), Ben D. Spycher (232771), Claudia E. Kuehni (105404)   +5 more
core   +1 more source

Two 5-Methoxyindole Carboxylic Acid-Derived Hydrazones of Neuropharmacological Interest: Synthesis, Crystal Structure, and Chemiluminescent Study of Radical Scavenging Properties

Crystals
Given the importance of molecular structure in pharmacological activity and interaction with biological receptors, we conducted a study on the 3,4-dihydroxybenzaldehyde hydrazone derivative of 5-methoxy-indole carboxylic acid (5MICA) and a newly ...
Neda Anastassova, Nadya Hristova-Avakumova, Rusi Rusew, Boris Shivachev, Denitsa Yancheva   +4 more
doaj   +1 more source

Śruby, wkręty i nakrętki - Warunki techniczne odbioru PN-G-999

, 1935
Niniejsze wydanie unieważnia normę PN-G-999 z października 1932 r.wersja wydawnicza2 str. : il.Wyd. 2 zm.

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