Materials Literature

文献浏览

按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。

清除
第 116781 / 152091 页 · 当前展示 2,335,601–2,335,620 / 3,041,802 条匹配结果 · 摘要仅作预览

Heterovalent 2EuII/4EuIII and Trivalent 5EuIII Clusters Assembled with a Macrocyclic Cyclen Derivative Ligand: Molecular Structures, Oxidation Stabilities, and Luminescence Properties

Gaoji Wang、Yong‐Qin Wei、Kechen Wu2016-07-29European Journal of Inorganic Chemistry

Two coordination complexes Eu II 2 Eu III 4 (OH) 4 (bza) 4 L 2 ( 1 ) and Eu III 5 (H 2 O)(OH) 4 (NO 3 ) 3 (bza) 4 L ( 2 ) have been assembled with the tetrasubstituted cyclen ligand N , N′ , N′′ , N′′′ ‐tetrakis(2‐hydroxy‐3‐methoxy‐5‐methylbenzyl)‐1,4,7,10‐tetraazacyclododecane (H 4 L) and the auxiliary ligand benzoic…

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes

Si/SiGe Interfaces in Three-, Two-, and One-Dimensional Nanostructures and Their Influence on SiGe Light Emission

D. J. Lockwood、Xiaohua Wu、J.‐M. Baribeau 等 6 位作者2016-07-29ECS Transactions

The nature of the interfaces between SiGe nanostructures (NSs) and Si in heterostructures strongly affects carrier mobility and recombination for physical confinement in one, two, and three dimensions. The interface sharpness is influenced by many factors including growth conditions, strain, and thermal processing, wh…

Semiconductor Quantum Structures and DevicesSilicon Nanostructures and PhotoluminescenceNanowire Synthesis and Applications

INTERACTION OF THE LANTHANA, YTTRIA WITH YTTERBIA AT TEMPERATURE 1500 °C

Olga Chudinovych、E. R. Andrievskaya2016-07-29Odesa National University Herald Chemistry

Phase equilibria in the ternary La2О3–Y2O3–Yb2О3 system at 1500 °C were studied by X–ray diffraction and petrography in the overall concentration range. The samples of differentcompositions have been prepared from nitrate acid solutions by evaporation, drying, and calcinations at 1100 and 1500 ºC. The solid solutions…

Luminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics SynthesisNuclear materials and radiation effects

PENGARUH FRAKSI VOLUME SERAT TERHADAP KETANGGUHAN IMPACT KOMPOSIT BERPENGUAT SERAT KULIT BATANG WARU (HIBISCUS TILIACEUS) – RESIN EPOXY

Wahyu Eka Saputra2016-07-29OpenAlex

ABSTRAK Pemanfaatan material komposit dewasa ini semakin berkembang, seiring dengan meningkatnya penggunaan bahan tersebut yang semakin meluas. Serat kulit batang waru adalah salah satu jenis serat yang berasal dari tumbuhan dan tergolong dalam serat alam yang berpotensi sebagai penguat material komposit. Penelitian i…

Natural Fiber Reinforced CompositesMaterial Selection and Properties

Reactive compatibilization of poly(methyl acrylate‐ran‐acrylonitrile)/poly(ethylene) blends through amine–anhydride coupling

Amardeep Gill、Milan Marić2016-07-29Journal of Applied Polymer Science

ABSTRACT Methyl acrylate/acrylonitrile copolymers (MA/AN) were reactively compatibilized as the dispersed phase into poly(ethylene) (PE) for potential hydrocarbon barrier materials. The MA/AN was made reactive by including p ‐aminostyrene (PAS), yielding terpolymers (MA/AN/PAS) with pendant primary amine functionality…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesFiber-reinforced polymer composites

The relation between uniaxial compressive and Brazilian tensile strength

Jamal Rostami、S. Kahraman、Xin Yu 等 7 位作者2016-07-29OpenAlex

Blastings were carried out for the removal of jet grouting columns, implemented to seal the bottom and joints of the diaphragm walls, and of the rock slab, which is the main object of this article. The main sources of interference with blasting are the following: – Distance to the foundation of buildings: 15 m, – Neig…

Natural Fiber Reinforced CompositesTextile materials and evaluationsMechanical Engineering and Vibrations Research

Metal–Insulator Transition of the New One-Dimensional Organic Conductors with Complete Uniform Stacks: (DMEDO-TTF)2X(X= ClO4and BF4)

Shohei Kumeta、Tadashi Kawamoto、Takashi Shirahata 等 5 位作者2016-07-29Journal of the Physical Society of Japan

The structural, transport, and magnetic properties of the new organic conductors (DMEDO-TTF)2X (X = ClO4 and BF4), where DMEDO-TTF is dimethyl(ethylenedioxy)tetrathiafulvalene, have been investigated. These compounds have a complete uniform stack structure, indicating that a quasi-one-dimensional 3/4-filled band witho…

Magnetism in coordination complexesOrganic and Molecular Conductors ResearchN-Heterocyclic Carbenes in Organic and Inorganic Chemistry

Internal combustion engine exhaust gas analysis

Nick Collings、K. Glover、Bruce Campbell 等 4 位作者2016-07-29International Journal of Engine Research

A generalized approach, based on linear algebra, is described for processing exhaust gas analyser data. Systematic methods of deriving useful relationships from arbitrary data are proposed and used to produce several novel and useful results, as well as to show how existing relationships may be derived in forms that i…

Advanced Combustion Engine TechnologiesCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions

The Ethylhexanoate Route to Metal Oxide Nanocrystals: Synthesis of CoO Nanooctahedra from CoII 2‐Ethylhexanoate

Mauro Epifani、Pengyi Tang、Aziz Genç 等 7 位作者2016-07-29European Journal of Inorganic Chemistry

CoO nanocrystals were prepared by solvothermal processing of Co 2‐ethylhexanoate in oleylamine at 250 °C. The obtained products, identified as CoO by X‐ray diffraction, had an octahedral shape, as seen by transmission electron microscopy, reflecting the cubic symmetry of the CoO crystallographic phase. The materials w…

Gas Sensing Nanomaterials and SensorsIonic liquids properties and applicationsCopper-based nanomaterials and applications

The research on thermoplastic properties cement composites impregnated with the waste of sulfur

Mariusz Książek2016-07-29Acta Mechanica

The process of creating special polymerized sulfur composites through application of industrial waste material is a thermal treatment process in the temperature of about 150–155 $$^{\circ }\hbox {C}$$ . The result of such treatment is a special polymerized sulfur composite in a liquid state. This paper presents the ef…

Concrete and Cement Materials ResearchInnovative concrete reinforcement materialsStructural mechanics and materials

An Efficient Method for Determining the α-, β-, and γ-Cellulose Content in Fully Delignified Pulps by Reaction-Based Headspace Gas Chromatography

Liang He、Xin‐Sheng Chai2016-07-29Journal of Wood Chemistry and Technology

This article reports on a headspace gas chromatographic (HS-GC) technique for determining the content of α-, β-, and γ-cellulose in fully delignified pulps. In this method, the pulp sample was extracted by 17.5% and 9.45% NaOH solutions (25°C), respectively, to obtain two soluble fractions; i.e., the sum of β- and γ-c…

Adsorption and biosorption for pollutant removalAdvanced Cellulose Research StudiesLignin and Wood Chemistry

Numerical simulation and experimental study of PbWO 4 /EPDM and Bi 2 WO 6 /EPDM for the shielding of γ -rays

Chi Song、Jian Zheng、Quan-Ping Zhang 等 6 位作者2016-07-29Chinese Physics C

The MCNP5 code was employed to simulate the γ -ray shielding capacity of tungstate composites. The experimental results were applied to verify the applicability of the Monte Carlo program. PbWO 4 and Bi 2 WO 6 were prepared and added into ethylene propylene diene monomer (EPDM) to obtain the composites, which were tes…

Nuclear Physics and ApplicationsRadiation Shielding Materials AnalysisThermal Expansion and Ionic Conductivity

Microstructure and Electrical Properties of AZO/Graphene Nanosheets Fabricated by Spark Plasma Sintering

Shuang Yang、Fei Chen、Qiang Shen 等 5 位作者2016-07-29Materials

In this study we report on the sintering behavior, microstructure and electrical properties of Al-doped ZnO ceramics containing 0–0.2 wt. % graphene sheets (AZO-GNSs) and processed using spark plasma sintering (SPS). Our results show that the addition of <0.25 wt. % GNSs enhances both the relative density and the e…

Advancements in Battery MaterialsZnO doping and propertiesMXene and MAX Phase Materials

First-principles calculations of semiconducting TiMgN2

Yoshihiro Irokawa、Mamoru Usami2016-07-29Japanese Journal of Applied Physics

Abstract We investigated semiconducting TiMgN 2 by a density functional approach. As a result, we found that the L1 1 structure was more stable than the L1 0 and CH structures. The band gap of L1 1 TiMgN 2 calculated using the generalized gradient approximation was 0.27 eV, indicating an indirect band gap. Here, we sh…

Metal and Thin Film MechanicsMachine Learning in Materials ScienceMXene and MAX Phase Materials

Restorable piezochromism phenomenon in an AIE molecular crystal: combined synchronous Raman scattering

Liqun Liu、Kai Wang、Jian Deng 等 6 位作者2016-07-29Faraday Discussions

Many AIE active molecules have been designed and synthesized, and have been found to possess many interesting characteristics. In recent years, research into AIE crystals has increased, and it has been clearly shown that the piezochromic effect of AIE crystals depends on their structure. While most of the related rese…

Molecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry

A facile synthesis of graphene foam as electrode material for supercapacitor

S. Sivaprakash、Prabhavathy Sivaprakash2016-07-29Materials Research Express

We report here a versatile fabrication approach of graphene foam (GF) with three dimensional (3D) porous conductive networks which reveal great potential for application in energy storage devices. This facile fabrication technique is believed to be favorable for supercapacitor application as the 3D-GF comprises conduc…

Advancements in Battery MaterialsGraphene research and applicationsSupercapacitor Materials and Fabrication

Crystal structure of AibC, a reductase involved in alternative de novo isovaleryl coenzyme A biosynthesis in Myxococcus xanthus

Tobias Bock、Rolf Müller、Wulf Blankenfeldt2016-07-29Acta Crystallographica Section F Structural Biology Communications

Isovaleryl coenzyme A (IV-CoA) performs a crucial role during development and fruiting-body formation in myxobacteria, which is reflected in the existence of a de novo biosynthetic pathway that is highly upregulated when leucine, the common precursor of IV-CoA, is limited. The final step in de novo IV-CoA biosynthesis…

Genomics and Phylogenetic StudiesEnzyme Structure and FunctionEnzyme Production and Characterization

X-ray Attenuation and Reduction of Backscattered Radiation

Abdullah Taher Naji、Mohamad Suhaimi Jaafar、Esmail Abdo Mohammed Ali 等 4 位作者2016-07-29Applied Physics Research

This paper reports the comparative study of X-ray attenuation using different materials which can be utilized to design anti-backscattered grids and radiation protection shields. The characteristics of X-ray attenuation in several materials, namely, lead, copper, iron steel, and aluminum, are investigated under divers…

Radiation Dose and ImagingRadiation Shielding Materials AnalysisGraphite, nuclear technology, radiation studies

Investigation of mechanical properties and fatigue life of ECARed AA5083 aluminium alloy

M. Sedighi、P Monshi、Jalal Joudaki2016-07-29Fatigue & Fracture of Engineering Materials & Structures

Abstract Equal‐channel angular rolling (ECAR) is a continuous severe plastic deformation process. In this process, severe shear strains apply to the sheet. This strain increases the yield or ultimate strength of sheet without significant change in sheet dimension. In this paper, the effect of ECAR process on mechanica…

Microstructure and mechanical propertiesMetal Forming Simulation TechniquesMetallurgy and Material Forming