Materials Literature
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This work concerns the comparison of the results of electron scattering by gas in an Environmental Scanning Electronic Microscope (ESEM). For this, we have developed a Monte Carlo simulation model based on the monitoring of the behavior of electrons in the gas. Water vapor and helium were chosen to validate the result…
The optical properties of KBr single crystals elaborated by the Czochralski method are studied. The excitation of samples with 270 nm shows a series of emission lines between 500-800 nm, which are assigned to the electronic transitions from the lowest vibrational level i® i¢ i½ 0 of the excited state 2ðu to vibr…
Die vorliegende Doktorarbeit beschreibt die Entwicklung einer analytischen, auf HPLC-ESI-MS beruhenden Methode zur exakten Quantifizierung von N-Glykan Spezies, die von Glykoproteinen enzymatisch freigesetzt wurden. Ein besonderes Augenmerk lag dabei auf der Trennung isobarer Glykanstrukturen mit Hilfe von graphitiert…
Most of the commercial white light-emitting diode (LED) light sources are made from phosphor coated blue-emitting gallium nitride (GaN) chips. This type white LED light source always has tradeoff between luminous efficacy and color rendering index (CRI). Furthermore, yellow-emitting phosphor decays much faster than th…
Given the ambident reactivity of oxindoles in terms of N- versus C-alkylation, realization of the three points of diversity available to (presumably benzenoid substituted) benzylidene oxindoles is normally achieved via a sequence involving initial N-alkylation of the corresponding isatin precursor, reductive deoxygena…
The kinetics of oxidation of amyl alcohol(AA) by pyridinium bromo chromate(PBC) has been studied in 50% acetic acid - water (v/v) medium in the presence of perchloric acid at 303K. The reaction is first order each in pyridinium bromochromate and amyl alcohol. The reaction is not depends on the hydrogen ion concentrati…
The present study of the functional suitability and specific activity of the contrast agent gadolinium-based for magnetic resonance imaging demonstrated that the investigated contrast agent intensively accumulates in organs and anatomical structures of the experimental animals. In the model of tumor lesions in animals…
The important role of non-destructive testing methods as a source of information in evaluating the aircraft products quality is exposed. The problems of unreasonable choice of nondestructive testing methods in the evaluation of the aircraft products technical state are denoted and the ways to solve this problem throug…
The elbaite-subtype pegmatite from Řecice is unique showing unusual internal structure built of the medium- and coarse-grained units and common pockets but absence of graphic textures; however, the mineral assemblages are almost identical with further elbaite-subtype pegmatites in the Stražek Unit. Also tourmalines co…
세계적으로 인구의 수는 꾸준히 증가해 왔고, 이러한 인구수의 증가는 에너지를 필요로 할 것 이며 동시에 지구온난화를 초래하는 이산화탄소와, 물을 오염시키는 물질들을 발출할 것이다. 이러한 문제는 새로운 신·재생 에너지 기술의 개발로 해결 해야 할 것이다. 미생물 연료전지(Microbial fuel cells, MFCs)는 이러한 문제를 해결할 수 있는 기술 중 하나로 각광을 받고 있다. 미생물 연료전지란 anode 쪽에 붙어 자라는 미생물들의 촉매작용을 이용하여 유기물에 저장되어 있는 화학적 에너지를 전기에너지로 전환하는 장치이다. 전기화학적으로 활성이 있는 미생물…
The Joint Research Centre (JRC) is currently involved in a Decommissioning and Waste Management (D&WM) Programme to progressively eliminate its historical liabilities related to the old nuclear installations and radiological waste generated in the past at Ispra site, inter alia: nuclear research reactors, hot-laborato…
Type I collagen matrices are used across a variety of applications in bioengineering and biophysical studies; however, a fuller understanding of the collagen self-assembly process is required to optimize control of the matrix structural and mechanical properties in these applications. The work in this thesis sought to…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
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In this paper, indium zinc oxide (IZO) thin films were deposited on a quartz substrate by radio frequency magnetron sputtering. Surface analysis showed that the IZO film deposited under a flow ratio of 10% oxygen has the smoothest surface, and this was determined to the optimum parameter for the fabrication of the met…
International audience
Titanate nanotubes (TiNTs) are extensively studied due to some distinct advantages, including the ease with which they can be prepared in high purity and high yield, a low cost, a high specific surface area, a high density of surface OH-groups, ion-exchange and semiconducting properties [1, 2]. Due to the high density…
Ivanov Vladimir Petrovich (doctor of technical sciences, professor; Polotsk State University) = Иванов, Владимир Петрович ( доктор технических наук, профессор; Полоцкий государственный университет)
The development of a real-time quantification of Li transport using a non-destructive neutron method to measure the Li distribution upon charge and discharge in a Li-ion cell is reported here.Using in situ neutron depth profiling (NDP), we probed the onset of lithiation in high capacity Sn and Al anodes and visualized…