Materials Literature
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In this paper we discuss spent fuel management options in the Republic of Korea (ROK) from two interrelated perspectives: Centralized dry cask storage and spent fuel pyroprocessing and burning in sodium fast reactors (SFRs). We argue that the ROK will run out of space for at-reactors spent fuel storage by about the ye…
Abstract Der vorliegende Beitrag beschäftigt sich mit hochdynamischen Einwirkungen auf das Material Beton und auf Stahlbetonkonstruktionen. Zunächst werden die Grundlagen zu den hochdynamischen Einwirkungen Explosion und Impakt kurz beschrieben. Materialien verhalten sich unter diesen Einwirkungen anders als unter sta…
Efficient hybrid photodetector consisting of silicon nanowires (SiNWs) (∼40 μm) capped with Polyacrylic Acid (PAA) is demonstrated. Highly diluted PAA with deionized (DI) water was spun directly on vertical SiNW arrays prepared by metal assisted electroless chemical etching (MACE) technique. We have observed ∼9, 4 and…
A single-crystal study on the low-temperature magnetism of a pyrochlore magnet Pr2Zr2O7 has been carried out. The temperature dependence of the magnetic susceptibility shows no magnetic ordering at temperatures down to 1.9 K. The Curie-Weiss behavior was observed at temperatures below 10 K, yielding an effective momen…
To operate power transformers long-term, as well as ensuring their insulating reliability, adequate consideration must also be paid to the age-related decline in various insulating oil characteristics. Previous studies could roughly clarify the key components causing the insulating oil characteristics to decline by ad…
This article addresses the characteristics of metallic skin layer and the performance of hypophosphite based ultrasonic electroless plating baths during the fabrication of nickel/ceramic microfiltration membranes. The process performance was evaluated in terms of overall conversion and metal plating efficiency, and th…
Proton conductivity of special class of aromatic sulfonic acids is described, in particular, calixarene sulfonic acids that consist of flat anionic layers interlinked by labile two-dimensional hydrogen-bond network. High proton conductivity of their hydrates was observed earlier. The dependence of their transport char…
Electron tomography (ET) has recently afforded new insights into neuronal architecture. However, the tedious process of sample preparation, image acquisition, alignment, back projection, and additional segmentation process of ET repels beginners. We have tried Hitachi's commercial packages integrated with a Hitachi H-…
Based on a time domain finite element analysis of the electromagnetic field, the paper studies effects of the short-circuit fault in the stator winding of an induction motor and the influence of this fault on the magnetic field outside the motor. The detection of the short-circuit fault through the magnetic field in t…
In a simple method of low power nano-second double pulsed laser ablation experiment in collinear geometry, formation of high density strongly coupled plasma is demonstrated. Using time-resolved measurements of the Stark broadened line width and line intensity ratio of the emission lines, the density and temperature of…
The LTCC CaO-B2O3-SiO2 (CBS) ceramics were synthesized via solid-state reaction process without any sintering aid. The effects of different sintering temperatures and B2O3 content on the microwave and mechanical properties were investigated. The results show that the best sintering temperature is around 950 °C and inc…
The need for extended storage of used nuclear fuel is increasing globally as disposition schedules for used fuel are pushed further into the future. This is creating a situation where dry storage of used fuel may need to be extended beyond normal regulatory licensing periods. While it is generally accepted that used f…
PURPOSE: To test the feasibility of a novel "split dynamic" method in which high temporal and high spatial resolution dynamic MR images are acquired during a single bolus injection. MATERIALS AND METHODS: High temporal resolution images were acquired using a three-dimensional (3D) dual-echo EPI sequence. The high spat…
U1 small nuclear interference (U1i) has recently been described as a novel gene silencing mechanism. U1i employs short oligonucleotides, so-called U1 adaptors, for specific gene knockdown, expanding the field of current silencing strategies that are primarily based on RNA interference (RNAi) or antisense. Despite the…
Summary Multiple‐site‐type catalytic systems produce ethylene/1‐olefin copolymers with broad molecular weight distribution (MWD) and chemical composition distribution (CCD) because each active site type produces chains with distinct chain microstructures. Simultaneous deconvolution of the MWD and CCD can be used to id…
A novel glucose biosensor based on immobilization of glucose oxidase in LbL films containing platinum nanoparticles (PtNPs) nanohybrid incorporated in 3-n-propylpyridinium silsesquioxane chloride (SiPy+Cl-) was developed. These films were assembled with the poly(2,5-methoxypropyloxy sulphonatephenylenevinylene) (PPV-S…
This study attempts to highlight the possibility of using natural dyes in transfer printing of polyester fabrics. The used dyes were Turmeric, Alkanet, and Rhubarb. To obtain optimum conditions for transfer printed polyester fabris, different factors were investigated such as concentration of dyes, the pH of printing…
This work was to prepare the high purity exfoliated graphite particles and use them to prepare the anisotropic high thermal conductivity of flexible graphite sheets by mechanically roll-compacting method. Scanning electron microscopy (SEM) was used to analysis the surface morphology. The thermal diffusivity both paral…
The surface properties of polynorbornenes obtained via metathesis polymerization are investigated via the wetting method. The incorporation of trimethylsilyl groups into the monomer unit causes decreases in the specific free surface energies of the investigated polymers. It is found that the dispersion terms of the sp…
Abstract This paper reports on a new DLC‐coated high speed steel tool for tapping into TiAl6V4. In analogy tests on a high‐temperature tribometer, a comparative analysis was carried out on coating systems containing carbon, nitrides and oxides with respect to their suitability for tapping into TiAl6V4. This comparativ…