Materials Literature
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Pada penelitian ini telah dipelajari mengenai inhibisi senyawa purin yang disintesis dari formamida pada baja SS 304 dalam media HCl dengan metode gravimetrik dan polarisasi potensiodinamik. Efisiensi inhibisi dari kedua metode menunjukkan hasil yang sama, yaitu akan meningkat dengan meningkatnya konsentrasi inhibitor…
The main focus of this dissertation is on the development of new chiral stationary phases for HPLC and GC and the application of ionic liquids in analytical chemistry. They will be discussed separately in two parts. Enantiomeric separations continue to be of great interest to the pharmaceutical industry. It is because…
An increase in demand for more functionality and capacity of microelectronic components within the same logistic footprint drives the growth of three-dimensional integrated circuit (3D-IC) packaging technologies in recent years. However, the reduction in size and an increase in transistors density also intensified the…
Σκοπός της παρούσας διπλωματικής είναι να αποδείξει την αποτελεσματικότητα της επισκευής ρωγμής σε κατασκευαστική λεπτομέρεια πλοίου με χρήση επιθέματος από σύνθετα υλικά. Αρχικά, γίνετε μία βιβλιογραφική ανασκόπηση σχετικά με εφαρμογές των σύνθετων επιθεμάτων στη ναυπηγική. Ακολουθεί αναφορά περιπτώσεων που εμφανίζον…
Kemunculan ferroresonance pada suatu sistem kelistrikan dapat disebabkan oleh kondisi abnormal switching, yaitu terbukanya satu atau dua phasa pemutus daya pada saluran transmisi. Fenomena ini dapat menyebabkan tegangan lebih dan arus lebih pada transformator daya wye-wye 150kV/20kV, dan Capacitive Voltage Transformer…
Increased consumption of natural resources and energy needs has led to development of new energy conversion technologies and concerns for environmental impacts as a result of emissions. Thermoeconomy is more broadly a science of saving natural resources that connects physics, thermodynamics and economics through the s…
This paper will review the latest research and current status of thermoelectric power generation, and will also demonstrate, using electronic design, semiconductor simulation and practical laboratory experimentation, the application of thermoelectric technology for use in energy harvesting and scavenging systems. Ongo…
This paper will review the latest research and current status of thermoelectric power generation, and will also demonstrate, using electronic design, semiconductor simulation and practical laboratory experimentation,the application of thermoelectric technology for use in energy harvesting and scavenging systems. Ongoi…
Ein nanodimensioniertes Metalloxid-Rad der Polyoxometallate vom Molybdän-Blau-Typ, dessen Entdeckung als ein Schritt zu neuen Längenskalen gilt, wurde mithilfe von STM untersucht. In der Zuschrift auf S. 7156 ff. berichten A. Müller, L. Chi, H. Fuchs et al., dass der Mo154-Cluster eine einzigartige kompartimentalisier…
Abstract Review: 167 refs.
The paper deals with types of failure of fibre reinforced beams with standard reinforcement of two ductility classes. It is shown in the graphs of relation between the force and deflection. The types of failure are discussed. There are the basic recommendations how to protect brittle failure of flexural concrete beams.
Abstract Two new flavonoid glycosides (I) and (II) are isolated along with eleven known compounds.
Abstract Review: 56 refs.
Narrow, smooth-edged graphene nanoribbons are needed for graphene electronics to replace the current silicon technology. In their Communication on page 8041 ff., J. Wang, F. Ding, et al. report a smart strategy for cutting single-walled carbon nanotubes (gray) into narrow graphene nanoribbons in H2 gas (green) with a…
Schmale Graphennanobänder mit glatten Kanten sind notwendig, um die derzeitige Siliciumtechnologie durch eine Graphenelektronik zu ersetzen. In der Zuschrift auf S. 8191 ff. stellen J. Wang, F. Ding et al. eine geschickte Strategie vor, um einwandige Kohlenstoffnanoröhren (grau) in H2-Gas (grün) mit einem einzigen Übe…
The structure, electronic and transport properties of coaxial semiconductor-semiconductor carbon nanotube intramolecular junctions (IMJs) with uniaxial strain have been studied by the tight-binding (TB) model and nonequilibrium Green's function approach. Inhomogeneous deformation is found in the strained IMJs, which l…
Abstract Review: 7 refs.
Abstract Review: 26 refs.
La microfiltration tangentielle (MFT), technique de séparation membranaire et l’évaporation osmotique (EO), procédé athermique de concentration ont été utilisées à l’échelle semi industrielle pour produire des concentrés de jus d'orange et de melon clarifiés à 450, 550 et 620g d’extrait sec soluble /kg. Les caractéris…
Abstract The title compound is synthesized by reaction of Y(NO3)3 and Eu(NO3)3 in mixed supercritical solvents (pH 7 adjusted with KOH, 400 °C, 40 MPa, 10 min), followed by calcination at 1000 °C (1 h).