نتایج جستجو برای: historical fields
تعداد نتایج: 350717 فیلتر نتایج به سال:
While the main concepts of thermodynamics are universal, the application to specific systems is not. Thus, the universal concepts combined with specific constitutive relations permit the derivation of important results in such fields as diverse as physics, chemistry, physical chemistry, chemical engineering and rheology. In all of these fields equilibrium is characterized either by a maximum of...
Observed historical climate fields are characterized by comparatively precise data and good coverage in the last few decades, and by poor observational coverage prior to then. The technique of the reduced space optimal analysis of such fields (i.e. estimating them in projections onto a low-dimensional space spanned by the leading patterns of the signal variability) is presented in the context o...
Abstract Accurate ice flow velocity data are essential for studying the mass balance of Antarctic sheet. However, there is a lack maps 1960s–80s in basin-wide regions or entire In this study, an enhanced hierarchical network densification approach developed mapping using historical ARGON and Landsat images. The produced multiple from 1963 to 1989 region Fimbul Jelbart shelves, East Antarctica, ...
Knowledge management (KM) and organizational learning (OL) have developed in both divergent and convergent ways. In particular, these fields have relatively distinct intellectual traditions and conditions that gave rise to disciplines, as well as a certain level of disparity in research focus and view of knowledge. For example, KM focuses more on the content of knowledge and products of managin...
The nature of our star, the Sun, is dominated by its complex and variable magnetic fields. It is the purpose of this paper to review the fundamental nature of our magnetic Sun by outlining the most basic principles behind the way the Sun works and how its fields are generated, and to examine not only the historical observations of our magnetic star, but, in particular, to study the wonderful ob...
Scientists study trajectory data to understand trends in movement patterns, such as human mobility for traffic analysis and urban planning. In this paper, we introduce a novel trajectory clustering technique whose central idea is to use vector fields to induce a notion of similarity between trajectories, letting the vector fields themselves define and represent each cluster. We present an effic...
In this article, we discuss the remarkable connection between two very different fields, number theory and nuclear physics. We describe the essential aspects of these fields, the quantities studied, and how insights in one have been fruitfully applied in the other. The exciting branch of modern mathematics – random matrix theory – provides the connection between the two fields. We assume no det...
The China Historical GIS project is developing a set of free tools and datasets covering the geographic space that has, at one time or another, been nominally part of China. The idea is to provide a generic digital platform for historical places that can be seamlessly integrated with a wide variety of contemporary GIS data, but which is not tied to a single data source. The CHGIS data model ena...
Relations of architecture to exact sciences (mathematics and technology) in medieval Islam have not been investigated properly due to vast extent of these sciences and limited multidisciplinary studies in both fields. Furthermore, the recognition of these relations will not be achieved completely without taking into account the intellectual legacy of scientists of the mentioned era. The purpose...
This paper is concerned with very long-terms trends in poverty and inequality in England and Wales over the last century. It seeks, in particular, to provide a tentative quantitative answer to the question of whether relative poverty has become more or less extreme geographically (Dorling and Woodward 1996). Such a study is only possible through the application of novel methods for data analysi...
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