Materials Literature
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The problem of retention non-recrystallized grains elongated along rolling direction during processing of sheets of alloy TS6 (Ti-11Cr-5Mo-6V-3A1) exists for long time. By means of m etallographic, texture analyses and EBSD method, the formation and the retention of such grains was shown to be connected with texture i…
Silicomolybdic acid (H4SiMo12O40, SMA) is considered as an effective precursor for methane partial oxidation catalyst and an impregnation of supports into SMA solution is the conventional method to prepare supported SMA catalysts1)~4). Recently, M. H. Tran et al.5),6) reported the direct synthesis of silica supported…
International audience
Побудовано та досліджено модель механіки деформівного твердого тіла, що описує \nдинаміку поведінки механічних гасників коливань. Проведено порівняльний аналіз \nгасників коливань різних конструкцій . Результати роботи корисні з огляду на \nоптимізацію конструктивних параметрів гасників механічних коливань для \nефект…
Ferrite 금속계 분리판(STS4XX; ferritic stainless steel)은 고체산화물 연료전지(solid oxide fuel cell, SOFC)의 분리판 소재로서 기존에 사용되던 세라믹소재에 비해 가격이 저렴하고 가공성이 좋아 최근 많은 연구가 진행되고 있다. 그러나 stainless steel의 경우 Cr이 다량 포함되어 있어 SOFC의 작동 온도인 800℃...
status: Published
By performing photoelectron spectroscopy measurements we investigated the growth and electronic properties of FePt thin films grown on the Rh (100) surface.The FePt alloy in the L1 0 face-centered tetragonal (fct) phase is a potential candidate for applications in electronics due to its high magnetocrystalline anisotr…
Исследованы спектры пропускания и отражения пленок полиэтилентерефталата, облученных γ-квантами в диапазоне \nпоглощенной дозы 6÷2900 кГр. Обнаружена модификация структуры тонких приповерхностных слоев по обе стороны \nпленки, проявляющаяся в возникновении интерференционной картины на спектрах пропускания и отражения…
La termovalorizzazione è una tecnologia ampiamente utilizzata per il trattamento dei rifiuti solidi urbani e il recupero di energia. Una delle principali problematiche legate a questi impianti è data dalle emissioni di gas acidi in atmosfera. I sistemi di trattamento a secco a doppio stadio, in cui reagenti solidi v…
National audience
Рассмотрены общие принципы описания и параметризации сложных нанообъектов, или наносистем, обеспечивающие сохранение существенной части информации при небольшом числе параметров. В различных ситуациях для этой цели применимы способы интерполяции в пространстве параметров, корреляции свойств на совокупности однотипных…
최근 자성체의 자화방향을 전류를 이용해 제어할 수 있는 스핀전달토크라는 현상이 발견되면서 자기 메모리로의 응용을 위해 활발히 연구되고 있다. 스핀토크를 이용한 자기메모리 소자 중 전류에 의한 자구벽이동 소자는 차세대 메모리 및 논리회로로의 응용이 기대되고 있다. 특히, 수직자기 이방성을 가지는 소자가 집적도와 작동전류밀도의 측면에서 기존 수평자기 이방성 소자에 비해 많은 장점을 가진다는 사실이 알려지면서, 최근 국내외적으로 이 분야에 대한 많은 연구가 이루어지고 있다. 스핀전달토크가 자구벽 이동을 일으키는 원리에 대한 물리적 해석이 많이 있지만, 그 이론들은 결함이…
The article describes method of preparation of stem mass, which accelerates the process mass of sealing and provides rapid reduction of air content in the mass. As a result the initiation of lactic acid fermentation is reached. It is Also described the design of device, which increases process reliability of method.
The Ailao Shan-Red River (ASRR) shear zone, one of the most prominent geologic strike-slip shear zones in Southeast Asia, consists of high-grade metamorphic complexes that provide a rare opportunity to sample the mid-crustal rocks along the western margin of the Yangtze Block of South China. Here we report combined, i…
Исследовано замещение иттербия тербием в твердых растворах (Yb0.9 - xTbxCa0.1)2Ti2O7 - (х = 0.1, 0.2, 0.3, 0.4) со структурой пирохлора, синтезированных с использованием метода соосаждения c последующим отжигом при 1550°C. Показано, что тербий входит в структуру пирохлора (Yb0.9Ca0.1)2Ti2O6.9 в небольшом количестве (м…
Long-term evolution is thought to take opportunities that arise as a consequence of mass extinction (as argued, for example, by Gould, 2002) and the following biotic recovery, but there is absolutely no evidence for this being the case. However, our study shows that eutrophication by oceanic mixing also played a part…
International audience
A comprehensive study of hydration of polyanionic agar molecules in its solution and gel phase in glycerol–water binary solvent is reported. Raman spectroscopy results predict differential water structure arrangement for glycerol–water binary solvent, 0.02% (w/v) agar in glycerol solution and 0.3% (w/v) agar organogel…
In this paper, effects of dividing the air-gap in the iron-core of shunt reactors into several discrete gaps on inductance parameters of the equivalent circuit, core losses and gap losses are investigated. This is achieved by both analytical calculations and Finite Element Method based analyses. A new method called Mo…
Abstract In the past several years there has been increasing interest in dispersion methods using ultrasound power for minute particles, such as cosmetics, medicine, catalyst, pigments, toner and ink. However, for nano-sized particles, the conventional ultrasound homogenizer, which is using a Langev...