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This book aims to cover different aspects of Bias Temperature Instability (BTI). BTI remains as an important reliability concern for CMOS transistors and circuits. Development of BTI resilient technology relies on utilizing artefact-free stress and measurement methods and suitable physics-based models for accurate determination of degradation at end-of-life and understanding the gate insulator process impact on BTI. This book discusses different ultra-fast characterization techniques for recovery artefact free BTI measurements. It also covers different direct measurements techniques to access pre-existing and newly generated gate insulator traps responsible for BTI. The book provides a consistent physical framework for NBTI and PBTI respectively for p- and n- channel MOSFETs, consisting of trap generation and trapping. A physics-based compact model is presented to estimate measured BTI degradation in planar Si MOSFETs having differently processed SiON and HKMG gate insulators, in planar SiGe MOSFETs and also in Si FinFETs. The contents also include a detailed investigation of the gate insulator process dependence of BTI in differently processed SiON and HKMG MOSFETs. The book then goes on to discuss Reaction-Diffusion (RD) model to estimate generation of new traps for DC and AC NBTI stress and Transient Trap Occupancy Model (TTOM) to estimate charge occupancy of generated traps and their contribution to BTI degradation. Finally, a comprehensive NBTI modeling framework including TTOM enabled RD model and hole trapping to predict time evolution of BTI degradation and recovery during and after DC stress for different stress and recovery biases and temperature, during consecutive arbitrary stress and recovery cycles and during AC stress at different frequency and duty cycle. The contents of this book should prove useful to academia and professionals alike.
Managing the peaceful transition of authoritarian states to democracy and a market-economic system represents a tremendous challenge. Whether it comes to reconstituting the coherency of the state following armed conflict, expanding participation rights and the rule of law in emerging democracies, overcoming corrupt structures, fighting poverty and inequality, or establishing clear rules for stable market-economic competition, the requirements are enormous, and the pressure on responsible leaders is intense. After all, the quality of political management makes an essential contribution to the success or failure of transformation processes. The Bertelsmann Stiftung's Transformation Index (BTI) thus systematically places political decision-makers' steering capability at the heart of its analysis and, as a result, is the only index in the world that measures and compares the quality of governance with self-collected data. This is done in the firm conviction that the ongoing comparative study of transformation processes is invaluable for the successful design of reforms and holds enormous global potential to learn from different political strategies for steering change, even though diverse traditions, power configurations, resources and cultures necessarily make each transformation process unique. The BTI measures and compares transition processes in 129 transformation countries with data collected between 2011 and 2013 and establishes their global rating based on detailed country reports. Now in its sixth edition, it offers the opportunity to understand long-term trends and global developments through the analysis of time-series data. The spotlight on current developments is thus complemented by a decade of data that captures the most varied transformation processes and puts into perspective recent progress and setbacks on the way to democracy and a market economy.
Does greater product market competition improve external competitiveness and growth? This paper examines this question by using country-and firm-level data for a sample of 39 sub-Saharan African countries over 2000–17, as well as other emerging market economies and developing countries, and finds that an improvement in domestic competition is associated with a signficant increase in real GDP per capita growth rate, achieved mainly through an improvement in export competitiveness and productivity growth. Price levels, including of essential items, are also generally lowered with an increase in competition. Moreover, at the firm-level, evidence shows that greater competition—proxied through a decline in corporate market power—is associated with an increase in firm’s investment and the labor’s share in output. These effects are more pronounced in the manufacturing sector and among domestic firms compared to foreign firms.
Entomopathogenic bacteria (Bacillus thuringiensis and B. sphaericus) are increasingly used as biopesticides to control larval insect populations which are either agricultural or forestry pests and to reduce those which as adults are vectors of severe human diseases. This new book, the first since 1993 to address all aspects of entomopathogenic bacteria, provides undergraduate and graduate students as well as research scientists with a complete, modern view of this important group of bacteria. The authors, chosen for their sustained contributions to the field, cover both fundamental and applied research in this area. The main topics include bacterial ecology and taxonomy, toxin diversity, activity and mode of action, regulation and environment of the genes, safety and ecotoxicology, production and field application of the bacteria, and outbreaks of resistant populations. The book concludes with the most recent data obtained on transgenic biotechnology and addresses environmental impact issues.
The present book is a collection of selected original research articles and reviews providing adequate and up-to-date information related to pesticides control, assessment, and toxicity. The first section covers a large spectrum of issues associated with the ecological, molecular, and biotechnological approaches to the understanding of the biological control, the mechanism of the biocontrol agents action, and the related effects. Second section provides recent information on biomarkers currently used to evaluate pesticide exposure, effects, and genetic susceptibility of a number of organisms. Some antioxidant enzymes and vitamins as biochemical markers for pesticide toxicity are examined. The inhibition of the cholinesterases as a specific biomarker for organophosphate and carbamate pesticides is commented, too. The third book section addresses to a variety of pesticides toxic effects and related issues including: the molecular mechanisms involved in pesticides-induced toxicity, fish histopathological, physiological, and DNA changes provoked by pesticides exposure, anticoagulant rodenticides mode of action, the potential of the cholinesterase inhibiting organophosphorus and carbamate pesticides, the effects of pesticides on bumblebee, spiders and scorpions, the metabolic fate of the pesticide-derived aromatic amines, etc.
Mosquitoes and Their Control presents a wealth of information on the bionomics, systematics, ecology, research techniques and control of both nuisance and disease vector mosquitoes in an easily readable style, providing practical guidelines and important information for professionals and laymen alike. Ninety-two European species and more than 100 globally important vector and nuisance species are included in the book. Most of them, including all European species, are described in the fully illustrated identification keys, followed by a detailed description of the morphology, biology, distribution and medical importance of each species, including over 700 detailed drawings. Mosquitoes and Their Control includes: systematics and biology, medical significance, research techniques, illustrated identification keys for larval and adult mosquito general, morphology, ecology, and distribution of the species identified in the keys, biological, chemical, physical and genetic control of mosquitoes. Mosquitoes and Their Control is a valuable tool for vector ecologists, entomologists, and all those involved with mosquito control, biology, ecology, and systematics world-wide. It will especially benefit those professionals, scientists and students dealing with mosquitoes and their control on a day-to-day basis. Society as a whole stands to gain from improved, environmentally responsible mosquito management programs designed on the basis of a broader understanding of mosquitoes and their control, as provided in this enlightening book.
In more than nine decades of Girl Scouting, a vast popular and material culture has given rise to a wealth of Girl Scout history collections. More than an identification guide to uniforms, insignia, and other Girl Scout objects, this work also documents when changes occurred and why new items were introduced. Placing these objects in context, this essential guide provides a discerning look at the history and development of the Girl Scout Movement in the United States. Scholars and aficionados of Girl Scout history, costume history, women's studies, popular culture, and dress will welcome this indispensable and definitive resource. This new, expanded edition, with hundreds of illustrations, photographs, and tables, is indisputably the go-to source for information on all Girl Scout uniforms, insignia, awards, and handbooks, as well as dolls, postcards, posters, calendars, and more--from the founding of the Girl Scouts in 1912 through the present day. "An invaluable resource to Girl Scout councils managing a history collection. And, beyond that . . . an informative and intriguing glimpse . . . into the evolution of a Movement that . . . today is the world's preeminent organization dedicated solely to girls." --Cynthia B. Thompson, chair, National Board of Directors, and Kathy Cloninger, national chief executive officer, GSUSA "An indispensable reference for collectors; a fascinating resource for anyone interested in Girl Scouting, this comprehensive guide to Girl Scout memorabilia is firmly grounded in the history of the Girl Scouts of the United States. Mary Degenhardt and Judith Kirsch show us what Girl Scouts wore and read, and explain how changes in uniforms, insignia, and publications reflect the evolution of Girl Scout programs and the expansion of opportunities for American girls. Reading this book is like walking through a fine museum where material culture brings the past to life." --Anastatia Sims, author of Negotiating Boundaries of Southern Womanhood