Search results for "Trend"
showing 10 items of 404 documents
Worldwide trends in blood pressure from 1975 to 2015 : a pooled analysis of 1479 population-based measurement studies with 19·1 million participants
2017
Background Raised blood pressure is an important risk factor for cardiovascular diseases and chronic kidney disease. We estimated worldwide trends in mean systolic and mean diastolic blood pressure, and the prevalence of, and number of people with, raised blood pressure, defined as systolic blood pressure of 140 mm Hg or higher or diastolic blood pressure of 90 mm Hg or higher. Methods For this analysis, we pooled national, subnational, or community population-based studies that had measured blood pressure in adults aged 18 years and older. We used a Bayesian hierarchical model to estimate trends from 1975 to 2015 in mean systolic and mean diastolic blood pressure, and the prevalence of rai…
The Digital change. Reasons and meanings of a new architectural expressivity
2014
The entry of computing in architectural has produced a real revolution in architectural scenario, changing the designer's arsenals and producing new expressive trends. However, up to now it is unclear how designers have actually taken advantage of the use of software to develop new styles, it is unclear what is the relationship between programs, operations and tools provided by them, and the formal configuration of new architecture. Moreover, the only element to identify digital influence on design seems to be only what designers or critics say-so. Then, the goal of the research was to actually identify these digital influences on architectural designs by developing a framework for identify…
A Qualitative Study on the Categorisation and Prioritisation of Digital Competencies and Attitudes for Managers and Employees
2021
Digital transformation is a mega-trend and is perceived by many companies as an opportunity to remain competitive. The digital competencies and digital mindset of managers and employees play an important role. Without new competencies and changed attitudes, the transformation cannot be driven forward. Research on digital transformation competencies in the field of companies is limited and little evidence exists on which digital competencies, and skills are particularly important for companies. In this study, a systematic literature review was used to identify digital competencies and attitudes and classify them into six categories. With a focus group discussion, four digitalisation experts …
Distribution, ecology and conservation status of Dionysia involucrata Zaprjag., an endangered endemic of Hissar Mts (Tajikistan, Middle Asia)
2014
<em>Dionysia involucrata</em> Zaprjag. (Primulaceae) is known as critically endangered endemic species of Hissar Mountains in Tajikistan. It is reported from few localities mainly in Varzob River valley and its tributaries. The species inhabits steep or overhanging faces of granite rocks in narrow river gorges. During the research all known populations of <em>D. involucrata</em> were examined in respect of the habitat conditions and species composition of vegetation plots. We analyzed the population extent of the species in its range in Tajikistan and the main threats in order to assess its conservation status. The detrended correspondence analysis was performed on a…
A century of trends in adult human height
2016
Article
Uncertainty Analysis in the Evaluation of the DDF Curves Parameters in Climate Change Scenarios
2016
Abstract On the global scale, there is a robust observational evidence that, over the last decades, the frequency and intensity of extreme events significantly changed, even if regional and local studies have highlighted complex and non-uniform spatial patterns. Climate change can cause increased rainfall intensities which leads to an additional impact on drainage systems, due to the alteration of magnitude and frequency of peak flows over their service life. For this reason, the design criteria of urban drainage infrastructures need to be revised and updated, in order to take into account the possible variations of extreme rainfall. In particular, the Depth-Duration-Frequency (DDF) curves,…
Persistence in complex systems
2022
Persistence is an important characteristic of many complex systems in nature, related to how long the system remains at a certain state before changing to a different one. The study of complex systems' persistence involves different definitions and uses different techniques, depending on whether short-term or long-term persistence is considered. In this paper we discuss the most important definitions, concepts, methods, literature and latest results on persistence in complex systems. Firstly, the most used definitions of persistence in short-term and long-term cases are presented. The most relevant methods to characterize persistence are then discussed in both cases. A complete literature r…
Exploring 2040 : Global Trends and International Policies Setting Frames for the Finnish Wood-Based Economy
2022
Global trends influence the approaches and mindset for using natural resources and technological capacities. Participatory scenario methods have proven useful in long-term foresight. However, country-level foresight studies often ignore the broader trends affecting international markets and setting frames for economic development. This study envisions which global trends could occur and how the resulting European policies might affect the Finnish forest sector’s development in 2040. We applied a Futures Wheel approach, where stakeholder groups consisting of policy-, economic- and social sustainability-, technology-, and climate sustainability -experts in the field of forestry and interlinki…
Cross-Frequency Coupling in Developmental Perspective
2019
It is generally assumed that different electroencephalogram (EEG) frequency bands are somehow related to different computational modes in the brain. Integration of these computational modes is reflected in the phenomenon of cross-frequency coupling (CFC). On slow temporal scales, CFC may reflect trait-like properties, which posits a question of its developmental trends. This is the first study that explored source-level CFC measures in a developmental perspective using both cross-sectional and longitudinal designs. CFC measures demonstrated good test-retest stability and proved to be higher in adults in cortical areas participating in sensory-motor integration, response inhibition, and atte…
Challenges and trends in comparative higher education: an editorial
2013
[Introduction] International comparative higher education research has proliferated since its institutionalization as an interdisciplinary field in the 1960s and 1970s (Jarausch 1985) and has gained special momentum in the 1990s (Teichler 1996). On the one hand, the benefits of comparative research approaches in international higher education have been repeatedly emphasized (Altbach and Kelly 1985; Teichler 1996; Rhoades 2001). These include, for example, increasing the capacity to generalize about a greater number of units under analysis, the capacity of a systematic comparison to illuminate the dynamics of a particular system better than a single-system study as well as highlighting knowl…