Materials Literature
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The well-known fountain effect of superfluid helium can directly convert heat to mechanical work by the transport of the superfluid across narrow channels under a temperature difference. But it is regarded as a unique feature of superfluids, only occurring below the temperature of 2.17 K. Here we report a peculiar fou…
LiCo0.6Ni0.4O2 was introduced as one of the most promising candidates for a cathode material as it had higher practical capacity compared to LiCoO2. However, it still can be improved further by using Fe as a dopant producing LiCo0.55Ni0.4Fe0.05O2 novel stoichiometry. The materials were prepared by using a self-propaga…
This paper presents the results obtained and the discussions made from a series of thermal experiments involving Nickel alloy (ASTM A 494 M) reinforced with fused SiO2, and size of the particles dispersed varies from 80 - 120 μm and amount of addition varies from 3 to 12 wt.% in steps of 3 wt.%. The resulting chilled…
We investigated a modification process for highly hydrogenated diamond-like carbon (H-DLC) film using exposure to synchrotron radiation (SR) in the soft X-ray region by measuring the dependence of various film properties and structural properties on the SR dose. Noticeable changes in the film volume and optical consta…
We discuss the finite element approach to modelling of static deformations of porous materials such as foams, beam lattices, and others within the linear micropolar elasticity. It is known that the micropolar elasticity may be used for microstructured solids and fluids since it can forecast size-effect near geometrica…
A novel type of resin-based electrical contact material (RECM) was prepared for the first time via the second curing of a sulfonated graphene/waterborne epoxy resin after pore formation.
Magnetic AuCo–MeIm showed the size-selective photocatalytic removal of Cr( vi ) and methylene blue attributed to the amorphous Co(MeIm) 2 coatings.
Treatment of hydrogen peroxide with a polymer-supported hypervalent iodine compound, poly[4-diacetoxyiodo] styrene (PDAIS), generates singlet molecular oxygen ($^{1}$O$_{2})$. Singlet oxygen generation was proved by trapping with typical organic compounds such as conjugated dienes, aromatic dienes, and electron-rich a…
Tetraarylpyrroles with a 1-azulenyl substituent were prepared by the reaction of 1-azulenyl ketones, which have various aryl-substituents at their -position, with benzoin in the presence of ammonium acetate as a nitrogen source of the pyrrole ring. Optical property of the tetraarylpyrroles obtained by the reaction was…
Although numerous papers are published each year, most of the experimental data reported in those papers are only available as two-dimensional plot images. Data-driven materials science using the machine learning technologies will be accelerated by gathering those published experimental data into a database. By taking…
Copper sulfide nanotubes and nanoparticles have been successfully synthesized by a hydrothermal process at 160 °C for 10 h, employing copper chloride (CuCl 2 ·2H 2 O) and thioacetamide as starting materials, polyethylene glycol 400 as surfactant. The products are characterized by X-ray power diffraction, scanning elec…
Synthesis of nanoparticles can be performed by using different macro to microorganisms such as plants, bacteria, fungi, sea weeds and microalgae. Plant consists of number of natural products like alkaloids, flavonoids, saponins, steroids, tannins and other nutritional compounds. Modern scientific studies have been rev…
Polymeric nanoparticles represent attractive targets for the controlled delivery of therapeutic drugs. Drug-nanoparticle conjugates are convenient targets to enhance solubility and membrane permeability of drugs, prolong circulation time and minimize non-specific uptake. The behavior of drugs-loaded nanoparticles is g…
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Encapsulation of H n YF 3−n in C 30 X 15 Y 15 (X = B, Al and Y = N, P and n = 1, 2) and characterization of the endohedral pnicogen and triel bonds.
For quantitative estimation of the intra-layer porous structure in the initial stage of landfill formation with municipal solid waste incineration (MSWI) bottom ash, the water absorption of individual MSWI bottom ash particles was measured under still-water, degassed, and agitated conditions. The ratio of the water ab…
Uリブ鋼床版では，供用年数の増加とともに大型車に起因する疲労亀裂が発生している．そのうちデッキ－Uリブ溶接部のルート部からビード表面に向かって進展するビード貫通亀裂に対する補修では，いくつかの方法が研究され施工されている．しかしながら，鋼床版下面からのみで施工可能かつ効果的な補修方法は，いまだ開発途上である． 本報文では，スレッドローリングねじ(TRS：Thread Rolling Screw)等を用い鋼床版下面からのみで施工可能な当て板補修工法を開発し，その性能を確認する目的で行った疲労試験の結果を報告する．
A new polymer/3D-foam-composite is presented for filling large gaps with high conformity and thermal conductivity, while rendering strong mechanical support.
We use the Dynamic Density-Functional Formalism and the Fundamental Measure Theory as applied to a fluid of parallel hard squares to study the dynamics of heterogeneous growth of non-uniform phases with columnar and crystalline symmetries. The hard squares are (i) confined between soft repulsive walls with a square sy…
A new synthetic route to prepare yttrium barium copper oxide superconductive fibers using electrospinning in conjunction with the polymerizable complex method was developed. The as-spun fibers exhibited wool-like tactility and were 5–7 µm thick. The fibers therefore exhibited sufficient flexibility to be fabricated in…