Results 11 to 20 of about 2,624,502 (199)

Synthesis and Performance Evaluation of a Novel High-Temperature-Resistant Thickener

open access: yesMolecules, 2023
Successful exploitation of carbonate reservoirs relies on the acid-fracturing process, while the thickeners used in this process play a key role. It is a common engineering problem that thickeners usually fail to function when used in high-temperature ...
Yu Sui   +5 more
doaj   +1 more source

Unforeseen high temperature and humidity stability of FeCl$_3$ intercalated few layer graphene [PDF]

open access: yes, 2015
We present the first systematic study of the stability of the structure and electrical properties of FeCl$_3$ intercalated few-layer graphene to high levels of humidity and high temperature.
Boggild, P.   +5 more
core   +2 more sources

Design the Impact of Temperature on the Modulation Bandwidth of InGaAs Vertical Cavity Surface Emitting Lasers (VCSELs) for Efficient Optical Interconnect [PDF]

open access: yesKirkuk Journal of Science
This simulation work, based on the design of an 850 nm InGaAs/AlGaAs quantum well (QWs) vertical cavity surface emitting laser (VCSEL), presents significant challenges, particularly due to the limitations of device bandwidth at higher temperatures.
Abdullah Abdullah, Faten Chaqmaqchee
doaj   +1 more source

Temperature Dependence of Normalized Sensitivity of Love Wave Sensor of Unidirectional Carbon Fiber Epoxy Composite on Mn-Doped 0.24PIN-0.46PMN-0.30PT Single Crystal Substrate

open access: yesApplied Sciences, 2020
Love wave sensors have attracted significant interest due to their high sensitivity and low attenuation. Love mode acoustic dispersion relation, highest normalized mass sensitivity, optimum normalized waveguide layer thickness, and temperature ...
Naixing Huang   +7 more
doaj   +1 more source

First Principles Molecular Dynamics Study of CdS Nanostructure Temperature-Dependent Phase Stability [PDF]

open access: yes, 2008
First principles molecular dynamics simulations are used to determine the relative stability of wurtzite, graphitic, and rocksalt phases of the CdS nanostructure at various temperatures.
Melnik, Roderick V.N., Wen, Bin
core   +2 more sources

Role of Extrinsic Contribution to Temperature Stability of Piezoelectricity for (K,Na)NbO3-(Bi,M)ZrO3 Ceramics with Morphotropic Phase Boundary

open access: yesEnergies, 2020
Temperature stability of dielectric, ferroelectric, and piezoelectric properties were investigated in situ by choosing (K,Na)NbO3-(Bi,K)ZrO3 (KNN-BKZ), (K,Na)NbO3-(Bi,Na,K,Li)ZrO3 (KNN-BNKLZ), and (K,Na)NbO3-(Bi,Li)ZrO3-(KNN-BLZ) as representative ...
Gyoung-Ja Lee, Min-Ku Lee
doaj   +1 more source

Temperature-Induced Precipitation of V2O5 in Vanadium Flow Batteries—Revisited

open access: yesBatteries, 2021
The maximum operation temperature of the vanadium solution in vanadium flow batteries is typically limited to 40 °C to prevent the damaging thermal precipitation of V2O5.
Emil Holm Kirk   +3 more
doaj   +1 more source

Optimization of Extraction of Novel Pectinase Enzyme Discovered in Red Pitaya (Hylocereus polyrhizus) Peel

open access: yesMolecules, 2013
Plant peels could be a potential source of novel pectinases for use in various industrial applications due to their broad substrate specificity with high stability under extreme conditions. Therefore, the extraction conditions of a novel pectinase enzyme
Nor Khanani Zohdi, Mehrnoush Amid
doaj   +1 more source

Critical cooling rate and thermal stability of Zr–Ti–Cu–Ni–Be alloys [PDF]

open access: yes, 2001
The critical cooling rate as well as the thermal stability are measured for a series of alloys in the Zr–Ti–Cu–Ni–Be system. Upon cooling from the molten state with different rates, alloys with compositions ranging along a tie line from (Zr70Ti30)55 ...
Johnson, William L.   +2 more
core   +1 more source

Abrin Toxicity and Bioavailability after Temperature and pH Treatment

open access: yesToxins, 2017
Abrin, one of most potent toxins known to man, is derived from the rosary pea (jequirity pea), Abrus precatorius and is a potential bioterror weapon.
Christina C. Tam   +4 more
doaj   +1 more source

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