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Diamond and Related Nanostructures
Over the past twenty years, the field of carbon structures has been invigorated by the discovery of fullerenes and carbon nanotubes. These nano-structured carbons have attracted a tremendous interest in the fundamental properties of discrete carbon molecules, leading to the discovery of novel complex crystalline and quasi-crystalline materials. As a consequence, a variety of applications have been developed, including technical and bio-medical materials and miniaturized tools. Diamond and Related Nanostructures focuses on the advances in the area of diamond-like carbon nanostructures (hyper-structures built from fullerenes and/or carbon nanotube junctions) and other related carbon nanostructures. Each chapter contributes to the topic from different fields, ranging from theory to synthesis and properties investigation of these new materials. This volume brings together the major findings in the field and provides a source of inspiration and understanding to advanced undergraduates, graduates, and researchers in the fields of Physics, Graph Theory, Crystallography, Computational and Synthetic Chemistry.
Iarna începe cu tine
Iosefina Schirger este un poet în adevăratul sens al cuvântului. Sensibilitatea, capacitatea de a găsi frumosul în fiecare secundă, fiecare clipă de viață, tăria ei în a descoperi propriul său stil, originalitatea de care dă dovadă, toate acestea ne fac să o admirăm. După ce îi citim câteva pagini, stilul, fiorul rămân de neuitat. Până și numele, Iosefina Schirger, sună a poezie... Iosefina și-a inventat și propria formă prin care se exprimă. Sunt practic două modalități de aranjare a cuvintelor: una este poem în proză – proză ritmată și rimată, extrem de bine conduse toate paragrafele, toate textele, și pline de lirism; și cealaltă formulă sunt te...
Multi-shell Polyhedral Clusters
This volume presents new methodologies and rationalizes existing methods that are used in the design of multi-shell polyhedral clusters. The author describes how the methods used are extended from 2D-operations on maps to 3D (and higher dimensional) Euclidean space. A variety of structures is designed and described in detail and classified giving rise to an atlas of multi-shell nanostructures. The book therefore sheds a new light on the field of crystal and quasicrystal structures, an important part of nanoscience and nanotechnology. The author goes on to show how the recently established methods are used for building complex multi-shell nanostructures and how this completes the existing information in the field. The atlas of such structures is completed with atomic coordinates (included as supplementary material). The content of this book gives a useful insight into structure elucidation and suggests new material synthesis.
Întâlniri lirice
Timp creator Să te desfătezi cu taifasul, scăldându-te într-un timp creator, când cei mai mulţi dintre noi aleargă după himerele vieţii, mereu în competiţie, accelerând la maximum uitarea, iată adevărata trăire pe care autoarea ne-o face cadou, ca pe un ritual uitat! Iar în risipirea care ne înconjoară, cadoul este unul scump, răscolind amintiri. Din ce apare belşugul de mărinimie al poetei? Din înţelegerea faptului că a dărui înseamnă grijă de esenţa vieţii celuilalt, iubirea se întoarce înmiit, cu rod, la omul generos. Poeta reinventează existenţa, uneori nedreaptă, alteori ruinată, punându-şi amprenta pe fiecare cuvânt, vers, pagină, cu o dăruire ...
Cartea mea fermecată
Clepsidra cu vise Poezia este o stare verticală de lumină sângerând, atinsă de fiori şi ispite: „Nu te îngrijora, nu plânge pentru mine... în ochi nu am lacrimi, am ninsori subţiri”, iubiri, prevestiri… Poezia ne însoţeşte prin viaţă aşa cum ne este rânduit fiecăruia, până într-un răsărit de referinţă, când se limpezeşte, se maturizează: somnul lasă locul visului ca un foc purificator. Atunci zborul prăbuşit al îngerului păzitor ajunge la tine, atunci muzele, neapărat sărate, găsesc drumul spre noi, gândurile se clarifică, recunoscând arsura. Cuvintele albastre se zbat obsedant să cucerească inima unei cicori, acolo unde mâinile – păsări î...
Sustainable Nanosystems Development, Properties, and Applications
Global economic demands and population surges have led to dwindling resources and problematic environmental issues. As the climate and its natural resources continue to struggle, it has become necessary to research and employ new forms of sustainable technology to help meet the growing demand. Sustainable Nanosystems Development, Properties, and Applications features emergent research and theoretical concepts in the areas of nanotechnology, photovoltaics, electrochemistry, and materials science, as well as within the physical and environmental sciences. Highlighting progressive approaches and utilization techniques, this publication is a critical reference source for researchers, engineers, students, scientists, and academicians interested in the application of sustainable nanotechnology.
Poems in a Line
The Light, Color, and Sound of Words Iosefina Schirger writes and dreams, touching the light, color, and sound of words with her fingers. Entire poems seem to come from a universe where beauty floats in the air. Wherever you start reading, poetry extends a hand, you pass through the labyrinth of love together, then linger in meditation and contemplation. The painting is created with the heart. You dream... Before writing, Iosefina contemplates the world and resonates with things. Once penetrated into us, her poetry takes on other dimensions, horizons we would never have suspected: transcendence, demiurgic discourse, symbol. Iosefina's poetry is a continuous flame, it doesn't extinguish, only...
Periodic Nanostructures
These tiny structures could offer architectural designs for the cities of the future. The authors explore the foam-like carbon structures, which relate to ‘schwarzites’ and which are infinite periodic minimal surfaces of negative curvature. They show that the periodicity of close repeat units of such structures is evident not only in these formations but also in all of the carbon allotropes. The text provides literature and data on the field of nanostructure periodicity and the authors’ own results on nanostructure building and energy calculations.
Crosslinkable Polyethylene Based Blends and Nanocomposites
This volume serves as a cutting edge reference on XLPE based blends, nanocomposites, and their applications. The book provides an introduction to XLPE nanocomposites and discusses the incorporation of natural and inorganic nanoparticles in the XLPE matrix. It also focuses on its characterization as well as the morphological, rheological, mechanical, viscoelastic, thermal, and electrical, properties. It provides an in-depth review of various potential applications, with special emphasis on use in cable insulation. The book focuses on cutting edge research developments, looking at published papers, patents, and production data. This book will be of use to academic and industry researchers, as well as graduate students working in the fields of polymer science and engineering, materials science, and chemical engineering.
