الصفحة 63
الصفحة 63
Effect of antioxidants in plant extracts and free radicals on blood sample
Antioxidants are substances that inhibit and regulate the formation of free radicals, and prevent or slow down the damage to cells caused by free radicals. There is a balance between antioxidants and free radicals throughout the body, and free radicals become dangerous when the balance is disturbed Free radicals play a key role in many physiological decisions in cells. Since free radicals are toxic to cellular components, it is known that they cause DNA damage, contribute to DNA instability and mutation and thus favor carcinogenesis.Low levels of free radicals and steady state levels of antioxidant enzymes are responsible for the fine tuning of redox status inside cells. A change in redox state is a way to modify the physiological status of the cell.Many healthful foods contain antioxidants. If a person consumes some or all of these foods regularly, they may increase their antioxidant levels, potentially helping them prevent the damage that doctors associate with oxidative stress.
Educational Theory in the 21st Century : Science, Technology, Society and Education
This book reviews the effects of the twenty-first century scientific-technological and social developments on the educational theory. The first part handles the subject, focusing on technology and educational philosophy. In the second part, the implications of new human and social conceptions towards the education paradigms are examined. In the chapters of the last part of the book, more practical dimensions of education are discussed. Transforming school designs, school management, learning-teaching approaches and teacher competencies are discussed in the context of broader social, cultural and technological changes.
Education Policies in the 21st Century : Comparative Perspectives
Explores the agenda of education policies in the 21st century. In the first part of the book, education is handled from a historical and political framework, and the effects of the change of states and policies on education are examined. In the second part, the effects of changes in the economy on education policies and economies’ demands from educational institutions are examined. In the last section, current policies in the international education sector, which is growing day by day as a result of increasing globalization and internationalization, are examined and future trends are tried to be revealed. In articles written by academics from different universities all over the world, the topics are presented in a comparative perspective.
Education and Climate Change : The Role of Universities
This book draws on a multidimensional model of educational change, the book reviews the field of climate change education and identifies some of the areas in which past efforts have fallen short in supporting effective pedagogical change at scale.
Educating Students to Improve the World
This book addresses how to help students find purpose in a rapidly changing world. In a probing and visionary analysis of the field of global education Fernando Reimers explains how to lead the transformation of schools and school systems in order to more effectively prepare students to address today’s’ most urgent challenges and to invent a better future.
Ecotoxicology, Ecological Risk Assessment and Multiple Stressors
The science of ecotoxicology and the practice of ecological risk assessment are evolving rapidly. Ecotoxicology as a subject area came into prominence in the 1960s after the publication of Rachel Carson's book on the impact of pesticides on the environment. The rise of public and scientific concern for the effects of chemical pollutants on the environment in the 1960s and 1970s led to the development of the discipline of ecotoxicology, a science that takes into account the effects of chemicals in the context of ecology. Until the early 1980s, in spite of public concern and interest among scientists, the assessment of ecological risks associated with natural or synthetic pollutants was not considered a priority issue by most government. However, as the years passed, a better understanding of the importance of ecotoxicology emerged and with it, in some countries, the progressive formalization of an ecological risk assessment process.
Economics and Management of Climate Change : Risks, Mitigation and Adaptation
Climate change is one of the biggest challenges for mankind. Although there is increasing evidence that climate change is already occurring, there is neither sufficient knowledge as to what extent climate change poses risks to societies and companies, nor about adequate strategies to cope with these risks. Bringing together an international group of scholars from environmental economics, political science and business, this book describes, analyses and evaluates climate change risks and responses of societies and companies. The book contributes to the question of how climate change can be mitigated by discussing efficient and effective design of mitigation measures, in particular emissions trading and clean development mechanism (CDM). Placing special emphasis on the impact of climate change risks on business, the book investigates in which way selected sectors of the economy are affected and what measures they can undertake to adapt to climate change risks.
Economic Analysis of Information System Investment in Banking Industry
Explains in reahty, examines theoretically, and analyzes statistically information system investment in the banking industry with regard to the process of the information technology revolution. This kind of comprehensive research on the banking industry is the first in the world. It could be seen as an application study for Japanese financial deregulation after 1997. However, our project, the Workshop of Information System Investment, is a theoretical research venture, consisting originally, when it began in 1994, of economists and computer scientists. It aimed to measure the effect of com puter hardware and software on the modern economy, based on the microdata of each firm, and to extend the frontiers of economic science. It was, coin- dentally, the time when this project began full-scale operation, in July 1997, that the voluntary closure of Yamaichi Securities was decided. The failure of the Hokkaido Takushoku Bank was disclosed in November of the same year, and the breakdown, temporary nationalization, buying out, and mergers of several banks succeeded one another. Our research therefore suddenly got into the social spotlight on the application stage. Part I is the first history and strategic guidelines of information systems in the banking industry. Part II summarizes the economic analyses of informa tion system investment in the United States, Europe, and Japan. These parts are foundations for the statistical analyses in Part III.
Ecology of Harmful Algae
Harmful algal blooms are one of the consequences of the human impact on aquatic ecosystems, particularly the process of eutrophication. They can cause a variety of deleterious effects, including the poisoning of fish and shellfish, habitat disruptions for many organisms, water discolouration, beach fouling, and even toxic effects for humans. This volume is a comprehensive synthesis of the latest research achievements concerning harmful algae (HA) ecology. International experts provide an in-depth analysis of HA topics including: global distribution, ecology of major HA groups, ecology and physiology of HA, HA and the food web, studying and mitigating HA, the human impact on HA and HA impact on human activity. This volume is an invaluable source of information for researchers in HA ecology as well as for advanced students, lecturers, and environmental managers.
Ecological Effects of Water-Level Fluctuations in Lakes
It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.
Ecological and Health Effects of Building Materials
Deals with the present adverse effects of using precarious building materials on the ecology and human health. Also, the detailed discussions on the novel and greener construction materials and their utilization as an alternative to the conventional harmful existing methods and materials are also presented in the subsequent chapters. This book helps to fill the research gaps in the existing prior-art knowledge in the field of sustainable construction and green building materials and methods giving due importance to ecology and health, specifically to the fields of sustainable structural engineering, sustainable geotechnical engineering, sustainable road engineering, etc.
Ecological and Genetic Implications of Aquaculture Activities
Aquaculture is a rapidly growing industry and aquaculture practices can directly interact with and depend upon the surrounding environment. Therefore, the effects of all types of aquaculture on living natural resources and ecosystems are of significant and increasing national and international interest. In Ecological and Genetic Implications of Aquaculture Activities, numerous nationally and internationally prominent aquaculture researchers contribute 27 chapters that comprise overviews of aquaculture effects on the environment, discussions of genetic considerations, thorough documentation of aquaculture effects and their solutions specific to countries, and approaches toward environmentally sustainable aquaculture. Together, these chapters comprise a comprehensive synthesis of many ecological and genetic problems implicated in the practice of aquaculture and of many proven, attempted, or postulated solutions to those problems. Many chapters can serve as benchmark documentations of specific aquaculture effects on biodiversity at different levels.
Ecografia dellapparato osteoarticolare : Anatomia, semeiotica e quadri patologici = Ultrasound of the osteoarticular system: Anatomy, semeiotics and pathological pictures
The echography is useful in the valutazione of articolari pathology in peace with rheumatic malattia and, other than in the diagnosis, is effective in the monitoring with power Doppler of the synovite, with a higher sensitivity to all'esame clinical. The high resolution ultrasound, integrated with the power Doppler technique, even to the degree of individualizing the entheopathic anomaly, the osseous erosion and the tendine involvement. The objective of the operation is to present the technique of same, and progress of echography in muscoloscheletric rheumatic pathology and the diagnosis of ultrasound in articolare rheumatic pathology. L’iconography è arricchita with integrated imaging of ultrasound, conventional radiology, CT and MRI.
E-CARGO and role-based collaboration : Modeling and solving problems in the complex
A model for collaboratively solving complex problems Explains the nature of collaboration, explores an easy-to-follow process of collaboration, and defines a model to solve complex problems in collaboration and complex systems. Written by a noted expert on the topic, the book initiates the study of an effective collaborative system from a novel perspective. The role-based collaboration (RBC) methodology investigates the most important aspects of a variety of collaborative systems including societal-technical systems. The models and algorithms can also be applied across system engineering, production, and management. Contains a set of concepts, models, and algorithms for the analysis, design, implementation, maintenance, and assessment of a complex system Presents computational methods that use roles as a primary underlying mechanism to facilitate collaborative activities including role assignment Explores the RBC methodology that concentrates on the aspects that can be handled by individuals to establish a well-formed team Offers an authoritative book written by a noted expert on the topic
Earthquake Source Asymmetry, Structural Media and Rotation Effects
This is the first book on rotational effects in earthquakes, a revolutionary concept in seismology. Existing models do no yet explain the significant rotational and twisting motions that occur during an earthquake and cause the failure of structures. This breakthrough monograph thoroughly investigates rotational waves, basing considerations on modern observations of strong rotational ground motions and detection of seismic rotational waves. To describe the propagation of such waves the authors consider structured elastic media that allow for rotational motions and rotational deformations of the ground, sometimes stronger than translational deformations. The rotation and twist effects are investigated and described and their consequences for designing tall buildings and other important structures are presented. The book will change the way the world views earthquakes and will interest scientists and researchers in the fields of Geophysics, Geology and Civil Engineering.
Earthquake Monitoring and Seismic Hazard Mitigation in Balkan Countries
this book including deployment of modern seismograph stations and arrays and these developments are detailed in the book. Station and network operations require near real time record analysis and topics dealt with here are 2-D signal detector, epicenter location and earthquake monitoring. Balkan is seismically the most active part of Europe due to multiple plate interactions in the Aegean Sea. The tectonic evolution and on-going geodynamic deformations are described in 2 articles. Earthquake hazard analysis and topographic site effects are discussed and likewise large earthquake hazards in the Aegean and the Marmara seas relate to practical applications of such procedures. Foremost; the book gives a good account of past, present and likely future seismological developments in Balkan countries and various kinds of network operations on local to global scales.
Earthquake Geotechnical Engineering ; 4th International Conference on Earthquake Geotechnical Engineering-Invited Lectures
This book contains the full papers on which the invited lectures of the 4th International Conference on Geotechnical Earthquake Engineering (4ICEGE) were based. It provides a comprehensive overview of the progress achieved to date in soil dynamics and geotechnical earthquake engineering, as well as in engineering seismology and seismic risk assessment and management. In situ and laboratory testing, theoretical issues and numerical modeling of soil dynamics, seismic hazard with emphasis on the long-period ground motion displacements, site effects and microzonation, liquefaction assessment and mitigation, soil-structure interaction, performance based design of geotechnical structures, earthquake resistant design and performance of shallow and deep foundations, retaining structures, embankments and dams, underground structures and lifelines, are all among the different topics covered in this book. Interdisciplinary subjects such as vulnerability assessment of, transportation networks and lifelines as well as of geotechnical structures are also discussed. Finally, the book provides a thorough presentation of the existing worldwide important large-scale testing facilities and geotechnical strong ground motion arrays.
Earnings Management Practices and Its Impact on Companies Average Stock Prices
This study aimed to examine the relationship between Earning's Management and the Stock Price Liquidity for a selected sample of (31) Jordanian industrial Companies listed on Amman stock market for The period of (2017-2021), the importance of this study comes from The Obvious effect of Earning's Management on the Companies Performances by manipulating the Financial reports in Positive or Negative way, therefore this study attempted to examine such impact or Relationship between the dependent variable (Stock Liquidity) and The independent variable (Earning's Management) , using the modified Jonas model through the description analysis to find out the Earnings management practices and using the (SPSS) analysis System to prove the study assumption.
Early Nutrition and its Later Consequences : New Opportunities; Perinatal Programming of Adult Health - EC Supported Research
Health problems such as hypertension, tendency to diabetes, obesity, blood lipids, vascular disease, bone health, behaviour and learning and longevity may be ‘imprinted’ during early life. This process is defined as ‘programming’ whereby a nutritional stimulus operating at a critical, sensitive period of pre and postnatal life imprints permanent effects on the structure, physiology and metabolism. For this reason, academics and industry set-up the EC supported Scientific Workshop -Early Nutrition and its Later Consequences: New Opportunities. The prime objective of the Workshop was to generate a sound exchange of the latest scientific developments within the field of early nutrition to look for opportunities for new preventive health concepts. Further, a closer look was taken at the development of food applications which could provide (future) mothers and infants with improved nutrition that will ultimately lead to better future health. The Workshop was organised by the Dept. of Pediatrics, University of Munich, Germany in collaboration with the Danone Institutes and the Infant Nutrition Cluster, a collaboration of three large research projects funded by the EU.
Dynamics of Freezing-Thawing Soil around Subway Shield Tunnels
Addresses development laws for axial strain and excess pore water pressure in silty clay around subway shield tunnels before and after freezing-thawing when subjected to subway loading, as well as the effect of freezing-thawing on the dynamic parameters of silty clay, including the dynamic modulus and damping ratio, introducing readers to the design and construction of bypasses in subway tunnels with the artificial freezing method. On this basis, it then studies the microstructures of silty clay before and after freezing-thawing cyclic loading by means of scanning electron microscope tests and mercury intrusion porosimetry tests. Lastly, the book presents a numerical simulation of the dynamics of silty clay around subway tunnels before and after thawing.
