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Aphids (Hemiptera: Aphidoidea) are one of the most important and destructive agriculture pests causing serious economic losses by both nutrient robbing and transmitting plant viruses. 100 species of Aphididae have exploited the agricultural environment successfully to the extent that they are of significant economic importance, among them 15 aphid species of most agricultural importance. Aphids are piecing-sucking insect pests with the mouthparts (stylets) to penetrate plant cells to feed phloem sap from sieve elements. The feeding process of aphids is similar to pathogen infestation, and plenty of evidence demonstrate that the interplay between aphid and host plants follows the pathogen-pla...
Robert Leung thought life would get simpler after he left the Hong Kong Police. He was wrong. Now a private investigator working out of a cramped office above a mahjong parlour in Wan Chai, Leung lives in the shadowy spaces between Hong Kong's bright skyline and its narrow back lanes. With one foot in each world—Chinese and British, cop and civilian—he's the man people call when their problems are too delicate for the police, too messy for lawyers, and too strange for anyone else. From triad misunderstandings and vanishing ferrymen to counterfeit medicine, disappearing dim sum, and unintentional turf wars, Leung's cases pull him from Central boardrooms to Sham Shui Po tenements, from roo...
Since its invention in 1982, scanning tunneling microscopy (STM) has enabled users to obtain images reflecting surface electronic structure with atomic resolution. This technology has proved indispensable as a characterization tool with applications in surface physics, chemistry, materials science, bio-science, and data storage media. It has also shown great potential in areas such as the semiconductor and optical quality control industries. Scanning Force Microscopy, Revised Edition updates the earlier edition's survey of the many rapidly developing subjects concerning the mapping of a variety of forces across surfaces, including basic theory, instrumentation, and applications. It also includes important new research in STM and a thoroughly revised bibliography. Academic and industrial researchers using STM, or wishing to know more about its potential, will find this book an excellent introduction to this rapidly developing field.
This volume offers a timely and forward-looking examination of how emerging technologies, teaching innovations, and interdisciplinary theories are reshaping education globally. It addresses the convergence of cognitive and emotional learning, design thinking, artificial intelligence, and cybernetics across all levels of education from early childhood to higher education and initial teacher education (ITE). Through conceptual inquiry and applied research, this volume provides insights into how educators and institutions can evolve to meet the changing demands of an increasingly digital and interconnected world.
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This book shows that research involving electrical, optical and magnetic properties of organic solid-state materials continues to grow both in scope and technological importance. Early studies of charge transport in conducting polymers have evolved from the elucidation of fundamental structure/function relationships to applications such as batteries, simple electrical devices such as diodes, chemical sensors, antistatic coatings, microwave and millimeter wave-absorbing materials, and photochromic devices. A particularly exciting evolution has been the discovery and development of organic light-emitting diodes (OLEDs) which appear to be nearing commercialization in an amazingly short period of time. This application is of particular interest because both electrical and optical properties must be considered.. Topics include: organic light-emitting materials and devices; photonic materials and devices; conducting and electroactive polymers and materials; molecular and supramolecular engineering; organic metals and magnetic materials and poster presentations.