Search results for "Methods"
showing 10 items of 4526 documents
A systematic review of maternal smoking during pregnancy and fetal measurements with meta-analysis
2017
Maternal smoking during pregnancy is linked to reduced birth weight but the gestation at onset of this relationship is not certain. We present a systematic review of the literature describing associations between maternal smoking during pregnancy and ultrasound measurements of fetal size, together with an accompanying meta-analysis. Studies were selected from electronic databases (OVID, EMBASE and Google Scholar) that examined associations between maternal smoking or smoke exposure and antenatal fetal ultrasound measurements. Outcome measures were first, second or third trimester fetal measurements. There were 284 abstracts identified, 16 papers were included in the review and the meta-anal…
Teaching issues of contemporary history using historical sources and modern teaching methods
2017
The study of history is becoming increasingly less interesting to students, despite the fact that the history teaching process has been continuously modernized during recent years. It is an observation which can be perceived even if we don`t make an elaborated research in the field. Some empirical data show us that students in secondary and High Schools are less interested in studying History than in studying Geography or other social sciences. The number of students who are determined to study History in universities has significantly dropped in recent years [1]. Of course, there are multiple causes and the factors behind this change are numerous and varied. In this paper we handle only so…
The use of social surveys in translation studies: methodological characteristics
2010
This article is the English version of "El uso de la encuesta de tipo social en traductología: características metodológicas" by Anna Kuznik, Amparo Hurtado Albir & Anna Espinal Berenguer. It was not published on the print version of MonTI for reasons of space. The online version of MonTI does not suffer from these limitations, and this is our way of promoting plurilingualism. Translation is an activity carried out by professionals – in some cases after a period of formal training – who are employed or self-employed, and whose work is destined for translation users. Translators, translator trainees, employers of translators, and translation users are four clearly defined social groups withi…
El uso de la encuesta de tipo social en traductología. Características metodológicas
2010
La traducción es una actividad desempeñada por un colectivo laboral y profesional (los traductores), en algunos casos con un proceso formativo previo, a cargo de empleadores, y dirigida a usuarios de la traducción. Estos cuatro colectivos (traductores, alumnos de traducción, empleadores y usuarios), con características sociales bien definidas, son colectivos susceptibles de ser estudiados con uno de los métodos de investigación más frecuentes en las ciencias sociales: la encuesta. En el presente artículo se dan a conocer las características metodológicas de la encuesta de tipo social. Se ejemplifica y valora su aplicación en la Traductología en diversos tipos de estudios: estudios orientado…
Mixed heuristic-non linear optimization of energy management for hydrogen storage-based multi carrier hubs
2014
In this paper, an heuristic and non-linear programming based algorithm to optimally operate an energy hub plant is proposed. The energy hub plant described in this work is the test system for the European INGRID research project. The Energy Management System defines the optimal energy flows dispatch in order to obtain the energy balance and the maximum profit for the owner of the plant. The problem is highly constrained and non-linear, for this reason the methodology cannot rely on Linear Programming (LP) methods. The Energy Management System manages two energy carriers, electricity and hydrogen, interfacing three distribution networks: the electricity, the hydrogen and the methane networks…
Early-stage thermal performance design of thermo-active walls implemented in underground infrastructures
2022
Abstract Energy geostructures (EGs) represent an innovative technology in the sustainable energy agenda and are useful for satisfying the energy needs of the built environment. They are usually involving geostructures such as piles, walls, tunnels, shafts, and sewers. The application of such technology to infrastructure projects may have considerable thermal potential because of the large surfaces that can be thermally activated. This study focuses on thermo-active walls (energy walls, EWs), which are retaining structures used to sustain the sides of excavations. Key features related to their thermal design are examined, and a design methodology is proposed. The heat-exchange modes involvin…
A New On-Line Roughness Control in Finish Turning Operation
1996
A new on-line control method for the wear state of sintered carbide tools for finish turning operations is proposed.
Why Must Everything Be So Complicated? Demands and Challenges on Methods for Analyzing School Improvement Processes
2021
AbstractIn the recent years, awareness has risen by an increasing number of researchers that we need studies that appropriately model the complexity of school improvement if we want to increase our knowledge about school improvement substantially and to close the identified research gaps within this field (Feldhoff T, Radisch F, Klieme E, J Educ Admin 52(5):565–736, 2014; Hallinger P, Heck RH, School Effect School Improv 22(2):149–173, 2011; Sammons P, Davis S, Day C, Gu Q, J Educ Admin 52(5):565–589, 2014). So far, respective quantitative studies, that appropriately consider those complexities, have hardly been realized because of the high efforts of current methods and costs involved (Fel…
Climate Change Education in the Curricula of Technical and Classical Universities
2010
Climate change education is becoming an integral part of the education in study programs at universities in Latvia offering environmental education study programs. In this article, a comparison of approaches of climate change education in classical (University of Latvia) and technical (Riga Technical University) are discussed. Requirements of the labour market are the key factors influencing study content and study methods. Therefore, consultations with major stakeholders and with academics involved in environmental education (e.g. the Council of Environmental Education and Science), may be some of the main tools to implement new concepts.
ISO Initiatives on Software Product Line Engineering: Vision and Current Status Invited Talk for Variability@ER2011
2011
Software product line engineering and management is still a relatively young discipline and its industrial diffusion is somewhat limited, partly due to the lack of international standards. It involves sub-disciplines that may not necessarily be mature enough yet for standardization. On the other hand, well-focused standardization efforts contribute to the diffusion of best product line practices and help raise the maturity of these practices. Careful roadmapping and execution of the standardization initiative is thus vital. This talk discusses the current roadmap for the international standardization initiative of software product line engineering and management methods and tools and the st…