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Whatsoever things are true: Hypothesis, artefact, and bias in chemical engineering research

Murray R. Gray2020-08-14The Canadian Journal of Chemical Engineering

Abstract For experimental research to offer valuable insights and predictions, its results and interpretation need to be properly validated. When the experiments deal with complex systems, such as biological materials, multicomponent mixtures, or multiple phases, the use of the rigorous scientific method is essential.…

Petroleum Processing and AnalysisCrystallization and Solubility StudiesThermal and Kinetic Analysis

The adsorption mechanism of Zn2+ by triclinic birnessite and the mechanism

Dongdong Shi、Shuzhi Wang、Ye Li 等 5 位作者2020-08-14Environmental Technology

In this paper, the reaction mechanism for the adsorption of Zn2+ by synthetic triclinic Na-birnessite was studied by reacting synthetic triclinic Na-birnessite with Zn2+ in solution, thereby providing a theoretical basis for the purification of heavy metal ions in acid soil and water by triclinic birnessite. The adsor…

Adsorption and biosorption for pollutant removalGeochemistry and Elemental AnalysisClay minerals and soil interactions

Capillary-condensed water in nonporous nanoparticle films evaluated by impedance analysis for nanoparticle devices

Shinya Kano、Harutaka Mekaru2020-08-14Nanotechnology

We study capillary-condensed water in nonporous nanoparticle films and evaluate its effect on impedance analysis for practical nanoparticle devices. Nanoparticle-based electronic/optoelectronic devices have been intensively studied for applications in ambient air. Non-sintered nanoparticle films have porous structures…

ZnO doping and propertiesQuantum Dots Synthesis And PropertiesGas Sensing Nanomaterials and Sensors

Structural design of asymmetric diketopyrrolopyrrole polymers for organic solar cells processed from a non-halogenated solvent

Pieter J. Leenaers、Martijn M. Wienk、René A. J. Janssen2020-08-14Organic Electronics

Diketopyrrolopyrrole (DPP) polymers possess narrow optical bandgaps and high charge carrier mobilities which make them attractive for solar cell applications. DPP polymers are generally only soluble in chlorinated solvents, which is a drawback for commercial application. Solubility in non-halogenated solvents can be a…

Organic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications

Fracture mechanics analyses of a reactor pressure vessel under non-uniform cooling with a combined TRACE-XFEM approach

Daniele Mora、Oriol Costa Garrido、Roman Mukin 等 4 位作者2020-08-14Engineering Fracture Mechanics

This paper presents the integrity analyses of a model reactor pressure vessel (RPV) subjected to pressurized thermal shocks (PTS). The analyses are performed with a one-way multi-step strategy that includes the thermo-hydraulics, thermo-mechanical and fracture mechanics analyses to simulate three hypothetical loss of…

Fatigue and fracture mechanicsNumerical methods in engineeringHigh-Velocity Impact and Material Behavior

Effect of Alloying Elements on Mechanical Properties of High-Strength Low-Alloy Steel

Ning Li、Wilasinee Kingkam、Zi Ming Bao 等 7 位作者2020-08-14Materials science forum

In this study, the two types of high-strength low-alloy steels were melted and cast in a vacuum induction furnace. Phase transition temperature of HSLA steel was calculated by JMatPro software. The calculation results show that the two different types of HSLA steels which have equal phase proportions of ferrite and au…

Microstructure and Mechanical Properties of SteelsMetallurgy and Material FormingMetal Alloys Wear and Properties

Optical and Mass Spectrometric Measurements of the CH4–CO2 Dry Reforming Process in a Low Pressure, Very High Density, and Purely Inductive Plasma

Hanyang Li、Yingliang Zhou、Vincent M. Donnelly2020-08-14The Journal of Physical Chemistry A

This paper presents a study of a CH 4 –CO 2 plasma-reforming process carried out in a high power density (5–50 W/cm 3 ), using toroidal transformer-coupled plasma, and operated at low pressure (0.2–0.7 Torr). Using the intermediate between a thermal and nonthermal plasma (electron density, n e ≈ 3 × 10 12 cm –3 and a…

Catalytic Processes in Materials SciencePlasma Applications and DiagnosticsPlasma Diagnostics and Applications

Redox-active, luminescent coordination nanosheet capsules containing magnetite

Ryo Arai、Mengjuan Li、Ryojun Toyoda 等 5 位作者2020-08-14Scientific Reports

Abstract Two-dimensional coordination nanosheets (CONASHs) are grown at the spherical liquid–liquid interface of a dichloromethane droplet in water to form zero-dimensional nano- and micro-capsules using a simple dropping method, a syringe-pump method, and an emulsion method. Reaction of 1,3,5-tris[4-(4′-2,2′:6′,2″-te…

Metal-Organic Frameworks: Synthesis and ApplicationsNanocluster Synthesis and ApplicationsSurface Chemistry and Catalysis

Band Offsets, Optical Conduction, and Microwave Band Filtering Characteristics of γ ‐In 2 Se 3 /CuO Heterojunctions

A. F. Qasrawi、Reham Reda Kmail2020-08-14physica status solidi (b)

Herein, the design and experimental characterization of γ ‐In 2 Se 3 /CuO interfaces are considered. Thin films of γ ‐In 2 Se 3 are coated with thin layers of CuO at room temperature. The heterojunction device is structurally, morphologically, and optically characterized. It is observed that the coating of CuO onto γ…

ZnO doping and propertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Conformation Control of Iminodibenzyl-Based Thermally Activated Delayed Fluorescence Material by Tilted Face-to-Face Alignment With Optimal Distance (tFFO) Design

Yu Kusakabe、Yoshimasa Wada、Hiromichi Nakagawa 等 5 位作者2020-08-14Frontiers in Chemistry

In organic light emitting diodes (OLEDs), all triplet excitons can be harvested as light via reverse intersystem crossing (RISC) based on thermally activated delayed fluorescence (TADF) emitters. To realize efficient TADF, RISC should be fast. Thus, to accomplish rapid RISC, in the present study, a novel TADF emitter,…

Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent Materials

Microstructure and Mechanical Properties of AZ31/ZrO2 Composites Prepared by Friction Stir Processing With High Rotation Speed

Qianhao Zang、Xiaowen Li、Hongmei Chen 等 8 位作者2020-08-14Frontiers in Materials

The Nano-ZrO2 reinforced AZ31 alloy composites were fabricated by friction stir processing (FSP) with three multi-pass and high rotation speed. The AZ31/2.14 vol% ZrO2, AZ31/4.29 vol% ZrO2 and AZ31/6.43 vol% ZrO2 composites were designed. The fine microstructure and uniform dispersion of ZrO2 particles were observed i…

Magnesium Alloys: Properties and ApplicationsAluminum Alloys Composites PropertiesAdvanced Welding Techniques Analysis

Intrinsic defects, Mo‐related defects, and complexes in transition‐metal carbide VC: A first‐principles study

Jing Guo、Yunli Feng、Cong Tang 等 4 位作者2020-08-14Journal of the American Ceramic Society

Abstract Intrinsic defects and Mo‐related defects in vanadium carbide VC, as well as the defect complexes between vacancies and Mo defects were investigated by means of first‐principles calculations within the framework of density functional theory. In addition, Mo diffusion in VC was also studied using LST/QST method…

Metal and Thin Film MechanicsDiamond and Carbon-based Materials ResearchAdvanced materials and composites

Rapid Colorimetric Screening of Elevated Phosphate in Urine: A Charge-Transfer Interaction

Joseph W. Lowdon、Hikaru Ishikura、Ash Radchenko 等 12 位作者2020-08-14ACS Omega

High Resolution Image Download MS PowerPoint Slide A charge-transfer (CT) interaction between 1,3,5-trinitro-2,4-dimethylbenzene (TNX) and anionic phosphate is evaluated, yielding a high band electronic transfer interaction that can be observed as a distinct color change when phosphate is present in solution. The indu…

Molecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsAnalytical Chemistry and Sensors

Can a PbCrO4 Photoanode Perform as Well as Isoelectronic BiVO4?

A. Lindberg、Wennie Wang、Shenli Zhang 等 5 位作者2020-08-14ACS Applied Energy Materials

Abstract Oxide-based photoelectrodes recently have been at the forefront of research for photoelectrochemical water splitting. While most oxide-based photoanodes suffer from severe electron–hole recombination, BiVO4 photoanodes are known to achieve exceptionally high electron–hole separation efficiencies. However, an…

Advanced Photocatalysis TechniquesGas Sensing Nanomaterials and SensorsCopper-based nanomaterials and applications

Transport properties of Majorana drumhead surface states in topological nodal-ring superconductors

Pei-Hao Fu、Jun-Feng Liu、Jiansheng Wu2020-08-14Physical review. B./Physical review. B

We propose a topological nodal-ring superconductor (TNRSC) by inducing superconductivity on a topological nodal-ring semimetal (NRSM). Such a TNRSC can map to a one-dimensional BDI class topological superconductor and host both ${N}_{\mathrm{BDI}}=1$ and 2 topological phases in the Brillouin zone. These two topologica…

Graphene research and applicationsTopological Materials and PhenomenaAdvanced Condensed Matter Physics

Control Verifications of Space Manipulators Using Ground Platforms

Lijun Zong、M. Reza Emami2020-08-14IEEE Transactions on Aerospace and Electronic Systems

The article discusses dynamic requirements for designing ground manipulator platforms that can be utilized to verify the performance of controllers developed for space manipulators. Dimensional analysis is used to formalize the dynamic equivalence conditions and control scaling laws between a given space manipulator a…

Planetary Science and ExplorationHigh-Velocity Impact and Material BehaviorSpace Satellite Systems and Control

Design of the metro tunnel project tunnel linings for fire testing

Maurice Guerrieri、Carlos Sanabria、Wei Ming Lee 等 5 位作者2020-08-14Structural Concrete

Abstract With a growing pipeline of major transport infrastructure projects transforming Victoria's road and rail networks, there is an increase in demand for the construction of underground tunnels using the shield tunneling method. Such tunnels need to be designed for fire resistance in order to preserve both struct…

Fire effects on concrete materialsConcrete Properties and BehaviorEngineering and Material Science Research

Identification of a novel N-linked glycan on the archaellins and S-layer protein of the thermophilic methanogen, Methanothermococcus thermolithotrophicus

John F. Kelly、Evgeny Vinogradov、Jacek Stupak 等 8 位作者2020-08-14Journal of Biological Chemistry

Motility in archaea is facilitated by a unique structure termed the archaellum. N -Glycosylation of the major structural proteins (archaellins) is important for their subsequent incorporation into the archaellum filament. The identity of some of these N -glycans has been determined, but archaea exhibit extensive varia…

Genomics and Phylogenetic StudiesGlycosylation and Glycoproteins ResearchEnzyme Structure and Function

Optimal Design of Combined Two-Tank Latent and Metal Hydrides-Based Thermochemical Heat Storage Systems for High-Temperature Waste Heat Recovery

Serge Nyallang Nyamsi、Mykhaylo Lototskyy、Ivan Tolj2020-08-14Energies

The integration of thermal energy storage systems (TES) in waste-heat recovery applications shows great potential for energy efficiency improvement. In this study, a 2D mathematical model is formulated to analyze the performance of a two-tank thermochemical heat storage system using metal hydrides pair (Mg2Ni/LaNi5),…

Phase Change Materials ResearchAdsorption and Cooling SystemsThermal Expansion and Ionic Conductivity

Corrosion behaviour of resistance-spot-welded high-Mn austenitic TWIP steel

Gleidys Monrrabal、J.A. Jiménez、Jacob Ress 等 7 位作者2020-08-14Corrosion Engineering Science and Technology The International Journal of Corrosion Processes and Corrosion Control

High-Mn twinning-induced plasticity (TWIP) steels have been proposed to meet higher passenger safety and crash-safe vehicle frame requirements demanded by the automotive industry. The corrosion behaviour of welded Fe–30Mn–5Al–0.5C–6Cr TWIP steel using the resistance-spot-welding (RSW) technique was studied. Welds show…

Microstructure and Mechanical Properties of SteelsHydrogen embrittlement and corrosion behaviors in metalsWelding Techniques and Residual Stresses