Results 11 to 20 of about 5,517,577 (272)

Trends in Environmental Analysis [PDF]

open access: yesAnalytical Chemistry, 2005
This article discusses developments in environmental analytical chemistry that occurred in the years of 2003 and 2004. References were found by searching the ''Science Citation Index and Current Contents''. As in our review of two years ago (A1), techniques are highlighted that represent current trends and state-of-the-art technologies in the sampling,
Koester, C. J., Moulik, A.
openaire   +3 more sources

Barriers and Facilitators in Interorganizational Disaster Response: Identifying Examples Across Europe

open access: yesInternational Journal of Disaster Risk Science, 2020
Disaster response actors are facing new challenges, which encompass not only new and ever more complex threats but also the need to collaborate across organizational boundaries and even state borders.
Claudia Berchtold   +5 more
doaj   +1 more source

Molecular exploration of fossil eggshell uncovers hidden lineage of giant extinct bird

open access: yesNature Communications, 2023
The evolution and systematics of Madagascar’s extinct elephant birds remains unclear. Here, the authors recover genetic, stable isotope, morphological, and geographic data from fossil eggshell to describe variation among clades, identifying cryptic ...
Alicia Grealy   +18 more
doaj   +1 more source

Trends in Sea-Level Trend Analysis [PDF]

open access: yesJournal of Coastal Research, 2012
Abstract BAART, F.; VAN KONINGSVELD, M., and STIVE, M., 2012. Trends in sea-level trend analysis. Discussions on sea-level rise trend estimates as, for example, the one recently published in this Journal of Coastal Research, reveal different perspectives on proper methods of deriving sea-level trend estimates.
Marcel J. F. Stive   +2 more
openaire   +2 more sources

Floral Species Richness Correlates with Changes in the Nutritional Quality of Larval Diets in a Stingless Bee

open access: yesInsects, 2020
Bees need food of appropriate nutritional quality to maintain their metabolic functions. They largely obtain all required nutrients from floral resources, i.e., pollen and nectar.
Moritz Trinkl   +5 more
doaj   +1 more source

Trend detection by innovative polygon trend analysis for winds and waves

open access: yesFrontiers in Marine Science, 2022
It is known that densely populated coastal areas may be adversely affected as a result of the climate change effects. In this respect, for coastal protection, utilization, and management it is critical to understand the changes in wind speed (WS) and ...
Fatma Akçay   +3 more
doaj   +1 more source

Trend Analysis of Landcover/ Landuse Change in Patani L.G.A, Delta State Nigeria [PDF]

open access: yes, 2017
This study examines the use of GIS and Remote Sensing in trend analysis of landcover/landuse change in Patani L.G.A, Delta State Nigeria from 2005 to 2015.
C, I. E. (Igbokwe), C, O. J. (Ojiako)
core   +1 more source

Development and Marketing of Solar Innovations: A Case Study

open access: yesJournal of Technology Management & Innovation, 2010
This study aims to examine the process of development and marketing of CIS technology as a major innovation in solar technology through the case of Würth Solar GmbH Co.
Harald Wirtz, Markus Janssen
doaj   +1 more source

Meta‐analysis for trend estimation [PDF]

open access: yesStatistics in Medicine, 2003
AbstractGrouped dose measures, heterogeneity and publication bias are three major problems for meta‐analysis in trend estimation. In this paper, we propose a model that allows for arbitrarily aggregated dose levels, and show that the resulting estimates and standard errors can be quite different from those given by the usual assigned value method ...
Shi JQ, Copas JB
openaire   +4 more sources

A Comprehensive Analysis of Twitter Trending Topics [PDF]

open access: yes2019 5th International Conference on Web Research (ICWR), Tehran, Iran, 2019, pp. 22-27, 2019
In Twitter, a name, phrase, or topic that is mentioned at a greater rate than others is called a "trending topic" or simply "trend". Twitter trends list has a powerful ability to promote public events such as natural events, political scandals, market changes and other types of breaking news.
arxiv   +1 more source

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