Materials Literature
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As a complement to the results from the Cyg OB2 Chandra Legacy program, we present in this contribution the detailed analysis of the four X-ray bright massive stars dominating the cluster. Cyg OB2 #5, #8A, and #9 are binary or multiple massive stars in the Cyg OB2 association displaying several peculiarities, such as…
Over the recent years, applications of porous metal-organic frameworks (MOFs) in hydrogen storage have received increasing attention in the scientific community [1]. Conversion of organic moiety in MOFs to porous carbon, as well as the use of MOFs as a template during the production of highly porous carbonaceous mater…
A newly Co2+ coordinated metal-organic framework had been successfully synthesized via one-step post-functionalization hydrothermal method and characterized through Fourier Transform Infrared Spectrometer, N2 adsorption and Inductively Coupled Plasma. Using O2 as oxidant, mesoporous cobalt metal-organic framework was…
In spite of excellent thermo-mechanical properties of silicon carbide (SiC), its application is limited due to its inherent brittle nature. Inclusion of a high strength and high modulus second phase can potentially improve the fracture toughness of SiC with proper processing. This study presents a systematic approach…
Thin film technology based on hydrogenated amorphous silicon (a-Si:H) has been playing a significant role in thin-film photovoltaics. However, a-Si:H based solar cells suffer from a low carrier mobility and light-induced degradation. In order to diminish these effects, tandem solar cells based on amorphous and nanocry…
Artificial muscles are an essential component for the development of next-generation prosthetic devices, minimally invasive surgical tools, and robotics. This communication describes the design, synthesis, and characterisation of a mechanically interlocked molecule (MIM), capable of switchable and reversible linear mo…
Beton içerisinde kullanılan agregaların özellikleri betonların yoğunluğunu değiştiren faktörlerden birisidir. Bu nedenlebetonlar hafif beton, normal beton ve ağır beton olmak üzere üç sınıfa ayrılmaktadır. Bu çalışmada hafif beton sınıfına giren bazıbetonların radyasyon zayıflatma katsayısı ölçülmüştür. Ölçümler, NaI…
Proses bubut merupakan proses permesinan yang digunakan untuk melakukan produksi khususnya untuk pemotongan berbagai jenis logam. Untuk meningkatkan produktivitas, maka dilakukan proses permesinan yang efisien yaitu dengan mengoptimalkan parameter-parameter proses pembubutan saat melakukan pemotongan pada beberapa jen…
In spite of significant research done in the field of particulate filled polymeric composites, reports on polymers filled with glass micro-spheres have been extremely rare. In view of this, the present work includes the processing and characterization of a new class of epoxy composites filled with different proportion…
Radyasyon, gelişen teknoloji ile temel bilimde, tıpta, tarımda, askeri amaçlarla ve endüstride geniş bir kullanım alanına sahiptir. Bu kadar geniş bir kullanım alanına sahip olan radyasyonun zararlı etkilerinden özellikle insanların korunması kaçınılmaz hale gelmiştir. Radyasyondan zaman, mesafe ve zırhlama olmak üzer…
The aim of this work is to synthesize arginine-containing well-defined polymers via reversible addition-fragmentation chain transfer (RAFT) polymerization and perform preliminary investigation on the use of these polymers in nucleic acid complexation for potential gene therapy applications. Pentafluorophenyl methacryl…
China Spallation Neutron Source (CSNS) is a high intensity proton accelerator-based facility. Its accelerator complex includes two main parts: an H- linac and a rapid cycling synchrotron (RCS). The RCS accumulates an 80 MeV proton beam and accelerates it to 1.6 GeV, with a repetition rate of 25 Hz. The AC dipole of th…
Simulations of carbon impurity transport in SOL/divertor plasmas with Ohmic heating on EAST tokamak were performed using the two-dimensional (2D) Monte Carlo impurity transport code DIVIMP. The background plasmas for DIVIMP simulations were externally taken from B2.5/Eirene calculation. Besides the basic output of DIV…
The ITER upper vertical stabilization (VS) coil is a part of the ITER in-vessel coil (IVC) system, which has the abilities of restraining edge localized modes (ELMs) and maintaining plasma vertical stability. Preliminary structural analysis of the coil has revealed serious thermal stress problems. Due to the very rest…
Electromagnetic (EM) load is one of the key design drivers for the blanket shield block (SB) and other in-vessel components. In this article, an EM analysis method was developed to address the EM force on the SB. The plasma currents, which vary spatially and temporally, are loaded as a filament at each time point. The…
In this research, structural and electronic properties of ZnCdn-1Ten clusters (n=1-10) have been studied by formalism of density functional theory and using the projector augmented wave within local density approximation. The structural properties (such as bond length/angle and coordination number), electronic and opt…
이중층 필름 구조로서 상부에 폴리실록산 층과 하부에 폴리이미드 층을 갖는 내열 점착 필름을 제조하였다. 이중층 필름제조 과정에서 폴리실록산이 용해된 tetrahydrofuran(THF) 용액이 폴리이미드 충 상부에 도포된 이후, 상온~80℃ 온도범위에서 에이징(aging) 과정을 거쳐 두 층 사이에서 나노 상분리에 의한 도메인이 500nm 두께의 중간층으로 형성되었고 이에 대한 모폴로지는 투과전자현미경을 통해 조사되었다. 이러한 준간층으로 형성되었고 이에 대한 모폴로자는 투과전자현미경을 통해 조사되었다. 이러한 중간층 형성을 통해 상부폴리실록산은 균일하고 안정적 층…
Trabalho apresentado no 31º SEURS - Seminário de Extensão Universitária da Região Sul, realizado em Florianópolis, SC, no período de 04 a 07 de agosto de 2013 - Universidade Federal de Santa Catarina.
펩타이드-고분자 하이브리드 소재(PPs)들은 선택적 용매에서 나노구조 형성을 위한 잠재적 구성 요소로서 많은 연구분야에 이용되고 있다. PPs는 잘 정의된 펩타이드-고분자로 이루어진 바이오콘주게이트의 손쉬운 제조방법과 다양한 응용분야에서 이들의 고유활성도에 대한 연구는 중요한 이슈이다. 본 연구에서는 atom transfer radical polymerization(ATRP)와 고체상 펩타이드 합성법을 이용하여 펩타이드-고분자 하이브리드 소재를 제조하였다. PYHK(proling-tyrosine-glcing-lysine)펩타이드를 제조하기 위하여 일반적인 고체상 펩…
Nickel-based nanoparticles were prepared and entrapped in liposomes, forming magnetoliposomes.The magnetoliposomes prepared were able to encapsulate new potential antitumor thienopyridine derivatives, showing to be promising for drug delivery applications.