Metal-assisted chemical etching (MacEtch) has recently emerged as a new etching technique capable of fabricating high aspect ratio nano- and microstructures in a few semiconductors substrates—Si, Ge, poly-Si, GaAs, and SiC—and using different catalysts—Ag, Au, Pt, Pd, Cu, Ni, and Rh. Several shapes have been demonstrated with a high anisotropy and feature size in the nanoscale—nanoporous films, nanowires, 3D objects, and trenches, which are useful components of photonic devices, microfluidic devices, bio-medical devices, batteries, Vias, MEMS, X-ray optics, etc. With no limitations of large-areas and low-cost processing, MacEtch can open up new opportunities for several applications where high precision nano- and microfabrication is required. This can make semiconductor manufacturing more accessible to researchers in various fields, and accelerate innovation in electronics, bio-medical engineering, energy, and photonics. Accordingly, this Special Issue seeks to showcase research papers, short communications, and review articles that focus on novel methodological developments in MacEtch, and its use for various applications.
Over the past 30 years, all European countries have been affected by reorganization processes concerning their higher education systems. In this volume, two aspects of this type of reorganization are discussed: changes in governance models and differentiation processes within the various higher education systems. The new governance models of higher education systems are based on three pillars: autonomy, evaluation and competition. Everywhere, universities were managed in a more business-like fashion, strengthening the central leadership and reducing the power of the collective bodies. In Italy, autonomy has developed in a distorted way, and for a long time has not been accompanied by evaluation and competition. In addition to reforming governance, European governments have responded to the students’ mass demand for university access with different backgrounds and ambitions, differentiating the higher education systems in the concerned countries. There was a first surge of differentiation in the 1960s and 1970s, and a second one took place in the late 1990s. Italy was an exception, and in this lies the origin of most of the problems of Italian universities, which the volume discusses while also offering possible solutions.
Excavator An Excavator is one of the most important machines in construction, mining, and infrastructure projects. With its powerful hydraulics, it can dig, lift, demolish, and handle materials with ease. Mini Excavator The Mini Excavator is compact in size but delivers excellent performance. It is widely used in urban projects, landscaping, and small-scale trenching work.
Global Airplane Tableware Market Report 2022 Analysis by Manufacturers, Regions, Types, Applications, Size, Share, Growth, Trends and Forecast to 2028.
Estr. XV-XVIII, 21, 411
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Analysts note that London’s unique market dynamics, including foreign investment, International Mortgage UK activity, and limited housing supply, have insulated it from the national downturn.
Luxury and Rubble is the tale of two cities in Ho Chi Minh City. It is the story of two planned, mixed-use residential and commercial developments that are changing the face of Vietnam’s largest city. Since the early 1990s, such developments have been steadily reorganizing urban landscapes across the country. For many Vietnamese, they are a symbol of the country’s emergence into global modernity and of post-socialist economic reforms. However, they are also sites of great contestation, sparking land disputes and controversies over how to compensate evicted residents. In this penetrating ethnography, Erik Harms vividly portrays the human costs of urban reorganization as he explores the complex and sometimes contradictory experiences of individuals grappling with the forces of privatization in a socialist country.“With captivating ethnography and trenchant analysis, Erik Harms delves deeply into two communities created and destroyed by redevelopment in contemporary Ho Chi Minh City. He poignantly shows how master plans defining personhood in terms of property rights empower some to live in luxury, while leaving others in the rubble of dispossession.” ANN MARIE LESHKOWICH, author of Essential Trade: Vietnamese Women in a Changing Marketplace“Beautifully written. . . . A remarkable achievement in urban studies and a must-read for anyone interested in changing spatial form, sociality, rights consciousness, and class dynamics in neoliberal times.” LI ZHANG, author of In Search of Paradise: Middle-Class Living in a Chinese Metropolis“Once in a while, a book comes along and makes us rethink how cities and capitalism work. Luxury and Rubble is one of those, giving us new conceptual insights into urbanism and doing so through an intensely lived and beautifully narrated ethnography.” ANANYA ROY, editor of Worlding Cities: Asian Experiments and the Art of Being GlobalERIK HARMS is Associate Professor of Anthropology and Southeast Asia Studies at Yale University and the author of Saigon’s Edge: On the Margins of Ho Chi Minh City.
A third attempt (finally a successful one) to understand the mechanics behind a neural network FT. Calculus