Materials Literature
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Broad band light emission ranging from the ultraviolet (UV) to the near infrared (NIR) has been observed from silicon nanoparticles fabricated using low energy (30-45 keV) metal and non-metal ion implantation with a fluence of 5*1015 ions/cm2 in crystalline Si(100). It is found from a systematic study of the annealing…
Current prostate cancer treatment remains ineffective primarily due to ineffectual therapeutic strategies and numerous tumor-associated physiological barriers which hinder efficacy of anticancer agents. Therefore, the focus of this study was to investigate a new combination therapy approach for treating prostate cance…
Bu çalışmada Taguchi ortogonal dizinleri kullanılarak, geleneksel olarak yapılan deney sayıları azaltılmış ve kontrol edilemeyen faktörlerin etkisi minimum değerde tutularak deney tasarımı yapılmıştır. Silika kumu üzerine boyar maddenin adsorpsiyonunda etkili olan 4 parametrenin her birinin en etkili olduğu değeri bel…
A new class of nanogel demonstrates modular biodistribution and affinity for bone. Nanogels, ~70 nm in diameter and synthesized via an astoichiometric click-chemistry in-emulsion method, controllably display residual, free clickable functional groups. Functionalization with a bisphosphonate ligand results in significa…
Advanced technologies derive many of their capabilities from the advanced materials that they are made from. Complex oxides are a class of materials which are driving technological advancement in a host of different directions. These highly functional materials have a great variety of useful properties, which can be c…
A study was undertaken to determine and compare drying characteristics of melantai (Shorea spp.), keledang (Artocarpus spp.), kekatong (Cynometra spp.) and khaya (khaya grandifoliola) representing light hardwood, medium hardwood, heavy hardwood, and plantation timbers dried using air drying, kiln drying and radio freq…
The Modular Caustic-Side Solvent Extraction Unit (MCU) recently conducted an outage that included maintenance on the centrifugal contactors. Operations personnel observed solids or deposits in two contactors and attempted to collect samples for analyses by Savannah River National Laboratory (SRNL). The residues found…
Выполнено экспериментальное исследование каталитической активности переходных металлов Ti и Ni для процессов гидрирования/дегидрирования Mg. Методом плазмохимического синтеза были получены нанокомпозиты, стабилизированные углеродом, со следующими составами: Mg-C, Mg-Ti-C, Mg-Ni-C. Гидрирование нанокомпозитов осуществл…
Other conotruncal anomalies should be considered. The preferred treatment is the Jatene arterial switch.
Surface conditions on Printed Circuit Board (PCB) final finishes have an important impact on the wetting behavior with lead-free solder. The improvement of the wettability in liquid Sn 96.5 Ag 3 Cu 0.5 Solder alloy on PCB substrate was measured with a sessile drop method at 523 K temperature. Wetting properties were d…
La existencia del ·tomo, fue propuesta desde la Epoca de la Grecia antigua. Sin embargo, la existencia de tal no fue m·s que una hipUtesis durante varios siglos. Cuando Bohr descubriU que el ·tomo poseIa estructura interna, parecIa increIble que alg n dIa pudiEramos acceder a modiOcar algo de su estructura interna. No…
The SuperKEKB accelerator will have an order of magnitude more luminosity than the world record luminosity of the KEKB accelerator. In order to cope with the increased signal background and high occupancy rates in the Belle II detector, the Silicon Vertex Detector (SVD) will be augmented with layers of Pixel Detectors…
摘要： 以偏振显微红外光谱方法研究间规聚苯乙烯（sPS）在阳极氧化铝（AAO）模板孔洞内的结晶取向行为。 以正己基三甲氧基硅烷修饰AAO模板孔洞表面，使其烷基化，探索表面性质对不同尺寸孔洞内sPS结晶取向的影响。 结果表明，sPS在255 ℃温度下结晶，而且随孔洞尺寸的减小，纳米孔洞内sPS分子链的垂直取向程度均降低，并且相同孔径尺寸下在表面烷基化的孔洞内sPS晶区分子链的垂直取向程度更低。 这些现象可归因于分子链与孔壁间相互作用的不同导致孔壁表面对晶核取向的诱导。
저저항 Si-SiC 소결체 제조를 위해 α-SiC에서 조성과 C의 양을 변화시키면서 반응소결 특성을 고찰하였다. 시료준비는 정수압으로 성형체를 제조하였고, 용융Si 반응소결을 통해 시험편을 준비하였다. 반응소결체의 미세구조, 기계적 특성 및 전기 저항 분석 결과 용융Si과 반응 후 미립의 β-SiC가 생성되었고, 치밀한 소결체를 형성하였다. 미립 β-SiC 생성량은 카본 양 에 따라 증가하였다. 그리고 C함량 10wt%이내에서 기계·R전기저항특성은 입도조성 영향이 크고 카본 함량 10wt%이상에서는 상전이 반응의 영향이 큼을 알 수 있었다.
در این پژوهش، رفتار مکانیکی الیاف کامپوزیتی پلیپروپیلن و نانولوله کربنی چنددیواره مطالعه شده است. پلیپروپیلن و نانولولههای کربنی چنددیواره به وسیله اکسترودر دوپیچی به حالت مذاب مخلوط شدند، سپس الیاف با دستگاه مذابریسی تولید شده و با نسبتهای مختلف کشش کشیده شدند. تصاویر میکروسکوپی نوری از سطح مقطع الیاف تجمع نا…
ВданнойработеметодомBP86/SVPврамкахтеориифункционалаплотностибылиопределены структурные параметры и механические свойства для ряда модельных однослойных углеродных нанотрубок (ОУНТ) типов zigzag и armchair. Наше исследование включает в себя квантово-химические расчеты как для чистых, так и для функционализированных ат…
A tendência por unidades de produção mais sustentáveis vem obrigando a indústria de alumínio a adotar estratégias para reduzir o consumo de energia e minimizar a geração de resíduos. Procedimentos nesta direção têm sido implementados em fornos de cozimento de anodo, onde alguns aprimoramentos têm permitido a redução n…
Recently, increasing attention has been paid to beads, an innovative self-assembled drug delivery system prepared from cyclodextrins and oils. Beads are new core-shell minispheres containing poorly water-soluble drugs or lipophilic drugs dissolved in the lipid core without the use of organic solvents and surfactants.…
Pengelingan adalah proses penyambungan antara 2 plat dan 3 plat dengan menggunakan plat almunium 2024. Dalam penelitian ini hasil pengujian tarik paku keling 4 lebih tinggi daripada paku keling 2 dengan selisih setengah tarik maksimum sebesar 25,22 N/mm2. Kekuatan tarik pengelingan 4 sebesar 428,94 N/mm2dan pengelinga…
Les connaissances sur l'écologie reproductive de l'éperlan arc-en-ciel dulcicole du lac Saint-Jean ont été rassemblées et consolidées à la demande du comité scientifique pour la gestion des ressources halieutiques et de la pêcherie dans l'Aire faunique communautaire du lac Saint-Jean. L'objectif de ce projet était de…