Materials Literature
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Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation J. Bahadur, D. Sen, S. Mazumder, P. U. Sastry, B. Paul; Growth of TiO2 nanoparticles under heat t…
Sub-10 nm gap plasmonic gratings are experimentally studied for second harmonic generation (SHG) and a model is developed to explain the optimum in transmitted SHG, showing the interplay between the grating width and field enhancement.
The trisubstituted guanidine N,N',N"-triisopropylguanidine (TPG) reacts with ammonium nitrate in water and with phosphoric acid in THF to produce (TPGH)2(NO3)2(H2O) (1) and (TPGH)2(H2PO4)2(H3PO4) (2) salts. Compounds 1 and 2 were characterized by X-ray diffraction analysis and the two structures displayed two crystall…
Синтезированы и исследованы методами ИК-спектроскопии и термогравиметрии координационные соединения состава Na[LnL4] · 2H2O и [NBu4][LnL4] (Ln = Nd, Sm, Eu, Tb; HL 3-метил-1-фенил-4-формил-5-пиразолон). По данным РСА, координационные полиэдры лантанидов имеют геометрию квадратной антипризмы и построены атомами кисло…
Japan Atomic Energy Agency has been conducting in situ stress measurements using overcoring method, within the context of establishing a firm scientific basis for safe geological disposal of high-level radioactive waste. Core disking has been observed during rock stress measurements performed using the Compact Conical…
本文研究了熔制气氛对Ce^3＋激活Li2O-Al2O3-SiO2闪烁玻璃发光性能的影响，同时采用XPS能谱研究了不同熔制气氛下制备的闪烁玻璃Ce^3＋／Ce^4＋价态变化情况，结果表明：Ce^3＋激活的Li2O-Al2O3-SiO2闪烁玻璃中，Ce^3＋离子以Ce^3＋与Ce^4＋两种价态存在，随着熔制气氛还原性的增强，Ce^3＋相对含量增加，闪烁玻璃发光强度随之增强；玻璃配合料中适量还原剂c粉的引入对闪烁玻璃的熔制具有积极作用，Si粉与铝粉由于还原性太强，引入会造成色心的产生。
A bi-functional multilayer was designed by optimizing the thickness of several layers that were close to the air-film interface. The multilayer structure was evaluated by comparison with another result obtained by optimizing all layer thickness.
Semiconducting nanowire heterostructures are of particular interest because of their fascinating properties and potential applications in the field of nanoscale science. CdS, with a direct bandgap of 2.42 eV, is considered to be an excellent material for various optoelectronic applications in the visible range of the…
We extend to you a warm and sunny Aloha in celebration of the 23 rd American Peptide Symposium and the 6 th International Symposium. The meeting theme, Peptides Across the Pacific, embraced the spirit of the scientific and social program. Peptides Across the Pacific encompassed the important role that peptide science…
The importance of aviation industry in modern era is long familiar. The industrial sector has been suffering energy crises from decades and consequently paves way for the need of energy regeneration and utility. Runways are heart of an airport and currently runways are used as pathways for airplane takeoff and landing…
Для исследования эволюции нанокристаллической структуры сложного оксида Dy2HfO5 в ходе термического отжига при температурах до 1600°C использован комплекс рентгеновских синхротронных методов, включая традиционную и аномальную рентгеновскую дифракцию, PDF, EXAFS и SAXS. Детально проанализированы изменения размерных хар…
Методом дифференциального термического анализа изучены фазовые равновесия в пятикомпонентной системе LiF LiBr LiVO3 Li2MoO4 Li2SO4. Определен эвтектический состав (мол. %): LiF 4.0, LiBr 38.4, LiVO3 30.8, Li2MoO4 19.2, Li2SO4 7.6 с температурой плавления 372°C и энтальпией плавления 164 ± 7 кДж/кг.
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Data on noteworthy records of Bacillariophyta from the Shatsk National Nature Park are presented. The descriptions of 18 species of diatoms, rare both for Ukraine and the Europe, are given.
核能是对人类来说是相当重要的能源，但使用核能发电后会有一些放射性产物，如用过核燃料，这些用过核燃料因为会持续发出衰变热及放射线，必须小心贮存，若电厂没有足够的空间贮存这些乏燃料，电厂将强制停止运转，不安全的贮存则可能造成危险甚至是燃料毁损。很多研究显示，干式贮存系统能有效的解决用过燃料的屯贮问题。建构适合台湾使用的系统或是系统正式启用前的审核工作，都必须进行详细的热流模拟分析，对于这项需求，核能研究所引进商用CFD软件Fluent来辅助分析工作的实行。目前的分析流程已趋于完善，并且在此套流程下所进行的分析工作在精确度上确实达到建构系统所需要的水平，但部份的流程却为分析人员所垢病；例如过多重复性且无必要的计算工作，以及Fluent数…
本研究分析了目前量子阱红外探测器应用中的主要制约因素，从表面等离子体的激发和传输物理机制出发，将表面等离子体近场光增强效应引入量子阱红外探测器光栅设计中，通过模拟计算进一步分析了光栅结构参数对探测器吸收波长和强度的影响，为未来这项技术的进一步应用打下理论基础。 In this paper, the main restricting factors of quantum well infrared detector application were analyzed. Through studying on the physical mechanism of surface plasmon excitation and transm…
今日，CO2削減と省エネルギー，環境保全への関心が高まっている。このような中，レンゴーグループでは，地球環境の保全に配慮した経営を実践することが，企業の持続的発展に不可欠であるとの認識に立ち，グループをあげて環境保全活動に継続的に取り組んでいる。レンゴー利根川事業所では，バイオマス焼却設備（ボイラ）を導入した。これまでの既設ロータリーキルン焼却設備では，産業廃棄物燃焼による廃熱回収は行っておらず，エネルギーが有効利用されていなかった。バイオマス焼却設備（ボイラ）では，蒸気でエネルギー回収できるようになった。これにより自家発電用ボイラのLNG燃料を削減でき，CO2の排出量を大きく削減できた。また，ロータリーキルンでは製紙汚泥ならびに…
В интервале длин волн от 190 до 1000 нм изучено поглощение монохроматического света в растворах бромидов цетилтриметиламмония (БЦТА) и цетилпиридиния (БЦП). Исследование проводили при температуре 30°C и варьируемой концентрации поверхностно-активного вещества (ПАВ) от 5 ? 10-5 до 3.5 ? 10-3 М. Обнаружено, что спектры…
Freeform optical surfaces were led by advances in fabrication, without tools for optical design/testing. Recently, the aberrations of freeform surfaces were discovered within nodal aberration theory. The links and implications for optical design will be presented.
Current regulatory testing and inspection requirements are reviewed and a summary of degradation experience is presented. Techniques commonly used to inspect NPP concrete structures to assess and quantify age-related degradation are summarized. An approach for conduct of condition assessments of structures in NPPs is…