Materials Literature
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Atomic oxygen is the most predominant specie in low Earth orbit (LEO) and is contained in the upper atmosphere of many other planetary bodies. Formed by photo-dissociation of molecular oxygen, it is highly reactive and energetic enough to break chemical bonds on the surface of many materials and react with them to for…
Meeting Information: The 24th Microelectronics Workshop (MEWS24) (October 13-14, 2011. Tsukuba International Congress Center), Tsukuba, Ibaraki, Japan
An important tool for improving the reliability of high voltage (HV) insulation systems are partial discharge (PD) measurements. Partial Discharge (PD) that damages insulation by gradual erosion is major source of insulation failure. In electrical engineering, partial discharge (PD) is a localized dielectric breakdown…
Partial discharge represents a physical phenomenon. In high voltage (HV) electrical power system, different kinds of solid, liquid and gaseous materials are being used for insulation purpose to protect the incipient failure inside the HV power equipment. Among these the solid insulation is widely used for high voltage…
Most serious failure of power equipment is due to the insulation breakdown. Partial Discharge (PD) phenomenon that damages insulation by gradual erosion is major source of insulation failure. In high voltage engineering studies, partial discharge (PD) is an electrical discharge that is localized in nature and partiall…
Although typically thought of as a solid solution strengthened material, Alloy 625 is susceptible to significant precipitation hardening through the formation of γʺ (D022 ) precipitates. These particles can form both during manufacture and in high temperature service and, consequently, the accurate prediction of their…
While axon fasciculation plays a key role in the development of neural networks, very little is known about its dynamics and the underlying biophysical mechanisms. In a model system composed of neurons grown ex vivo from explants of embryonic mouse olfactory epithelia, we observed that axons dynamically interact with…
The main research goal of the NEWEX Project is the construction and testing of the new innovative extruder. By the application of a new, patented concept of vital parts: innovative active grooved feed section (IAGFS), original rotational barrel segment (ORBS) and special screw (SS) a completely new breakthrough techno…
Insulators or dielectrics plays an important role in the high voltage power equipment. Various types of insulators are used in high voltage (HV) electrical power systems to protect the power equipments. For the purpose of safety and better efficiency, insulators should be kept in a healthy condition during its operati…
This chapter discusses how combination of sintered AZS materials, high emissivity coatings and strategic design of the refractory lining will impact all of the key performances indicators making a high performance superstructure possible. New technologies, like sintered AZS materials and high emissivity coatings enabl…
NASA needed a lower mass, reliable, and safe medium for energy storage for ground-based and space applications. Existing industry electrochemical systems are limited in weight, charge rate, energy density, reliability, and safety. We chose a ceramic perovskite material for development, due to its high inherent dielect…
Penelitian ini bertujuan untuk mengetahui analisa pengelasan pada baja karbon rendah dengan nyala torch netral, menggunakan las oxy acetylene terhadap sifat fisik dan mekanik sambungan las pada baja karbon rendah. Penelitian ini menggunakan las oxy acetylene dan baja karbon rendah yang mengandung komposisi 0,0169% C,…
Indonesia merupakan negara penghasil kelapa terbesar nomor 2 di dunia. Sabut kelapa dapat diolah menjadi serat kelapa yang dapat dimanfaatkan sebagai bahan baku papan serat. Tujuan penelitian ini adalah untuk mengetahui kekuatan tarik pasca impak dan mengetahui struktur makro dan mikronya. Serat sabut kelapa direndam…
Penelitian ini bertujuan untuk mengetahui analisis nyala torch karburasi pada oxy acetylene terhadap sifat fisik dan mekanik sambungan las pada plat baja karbon rendah dengan tebal plat 1mm. penelitian ini menggunakan las oxy acetylene dengan baja karbon rendah yang mengandung kadar c 0,0169% fe 99,67% dan beberapa un…
В данной статье рассмотрены основные направления энергосбережения в многоэтажном жилищном строительстве и методы повышения энергетической эффективности. Затронуты основные проблемы проведения энергосберегающих мероприятий, а также обоснована необходимость их анализа при разработке каждого строительного проекта с целью…
Kleine Anionen spielen eine große Rolle bei der Synthese stark lumineszierender Gold(I)-Silber(I)-Cluster. Q.-M. Wang et al. zeigen in der Zuschrift auf S. 7223, dass ein Goldcluster durch stufenweise Anlagerung von Silberionen zunehmend starrer wird. Der Kern ist vollständig von organischen Liganden und anorganischen…
Small anions play a big role in the preparation of an intensely luminescent gold(I)–silver(I) cluster. In their Communication on page 7117 ff. Q.-M. Wang and co-workers show that the stepwise addition of silver ions to the gold-cluster precursor enhances the rigidity of the cluster. The emissive core is fully protecte…
Проведены прочностные испытания стандартных образцов-балочек в возрасте 2-х часов на сжатие и изгиб. Приведены результаты подбора оптимального состава смеси на основе гипсоцементно-пуццоланового вяжущего для применения в производстве материалов для внутренней отделки невлажных помещений. Дана экспериментальная оценка…
In most of the unconventional superconductors, the quasiparticle excitation spectrum possesses line or point nodes leading to a power-law temperature dependence in the thermodynamic quantities and transport coefficients at low temperatures. In this work we show analytically that an applied weak Zeeman magnetic field c…
A trencher (machine) is a device used for digging trenches, used for laying pipes & cables, for setting up drainage or in preparation for trench warfare strategy. Also irrigation is very necessary for cultivation of crops. Usually rivers are far from agri-lands, which creates difficulty to irrigate. To overcome this p…