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This book focuses mainly on the spectroscopy of laser materials, physics of laser materials, laser crystals and laser glasses. The spectroscopic and laser properties of rare earth and transition metal ion-doped solid state materials are systematically described based on modern quantum optics. The aim of this book is to relate the laser and spectroscopic properties to the structure and chemical composition of materials. It emphasises the nonlinear optical effects in laser materials, which are widely used in high power laser systems. The development of advanced solid state laser devices depends greatly on new laser materials. Much progress has been made recently in the development of new laser materials, and this is summarized in the book.
Advances in Measurement Technology, Disaster Prevention and Mitigation collects papers resulting from the conference on Measurement Technology, Disaster Prevention and Mitigation (MTDPM 2022), Zhengzhou, China, 27–29 May, 2022. The primary goal is to promote research and developmental activities in measurement, disaster prevention and mitigation, and another goal is to promote scientific information interchange between scholars from the top universities, business associations, research centers and high-tech enterprises working all around the world. The conference conducts in-depth exchanges and discussions on relevant topics such as measurement, disaster prevention and mitigation, aiming t...
Renin-angiotensin-aldosterone system (RAAS) dependent hypertension, diabetes featured by hyperglycemia, hyperlipidemia, hyperuricemia, hyperhomocysteinemia, overweight or obesity etc., represent the major types of endocrine and metabolic disorders which contribute most to the development of atherosclerosis-based cardiovascular diseases. In clinical studies, these diseases comprise nonfatal myocardial infarction, nonfatal cerebral infarction, or even cardiovascular death, termed 3 major adverse cardiovascular events (3p MACE). On one side, these endocrine or metabolic dysfunctions are the upstream risk factors of cardiovascular diseases. Meanwhile, more and more antidiabetic drugs, e.g., gluc...
"Historical accounts of democracy's rise tend to focus on ancient Greece and pre-Renaissance Europe. The Decline and Rise of Democracy draws from global evidence to show that the story is much richer--democratic practices were present in many places, at many other times, from the Americas before European conquest, to ancient Mesopotamia, to precolonial Africa. Delving into the prevalence of early democracy throughout the world, David Stasavage makes the case that understanding how and where these democracies flourished--and when and why they declined--can provide crucial information not just about the history of governance, but also about the ways modern democracies work and where they could manifest in the future."--
This book introduces the fundamental mechanism of photonic glasses — the linear and nonlinear optical effects in glass under intense light irradiation: phot-induced absorption, refraction, polarization, frequency, coherence and monochromaticity changes. Emphasis is placed on new developments in the structure, spectroscopy and physics of new glassy materials for photonics applications, such as optical communication, optical data storage, new lasers and new photonic components and devices. The book presents the research results of the authors in new glasses for photonics over the last decade.
This perspective of this book views Earth's various layers as a whole system, and tries to understand how to achieve harmony and sustainable development between human society and nature, with the theme of " habitability of the Earth." This book is one effort at providing an overview of some of the recent exciting advances Chinese geoscientists have made. It is the concerted team effort of a group of researchers from diverse backgrounds to generalize their vision for Earth science in the next 10 years. The book is intended for scholars, administrators of the Science and Technology policy department, and science research funding agencies. This is an open access book.