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IntroductionSlow sand filtration is an established method for drinking water treatment, however, the knowledge about their microbial ecology remains limited. Maintenance of slow sand filters (SSF) includes washing to remove biofilm growth in the sand and restore flow through the filter. Understanding how this impacts produced water is important as the SSF may influence the bacterial flora in the f
Discusses how a series of artefacts became important for cultural processes in a Swedish IT company during a turbulent period in business - a period that was known as "the new economy".
In man-made energy systems like the electricity system, new concepts have the potential to influence and shape the development of the system. Sometimes the influence leads to a positive development and in other cases the new concept may lead into disadvantageous pathways. In this paper we argue that when a new concept is introduced, it may give rise to an unhinged paradox. An unhinged paradox impl
Published in 1892, St. George Jackson Mivart’s remarkably original article ‘Happiness in Hell’ was placed on the Index Librorum Prohibitorum almost immediately. In his article, Mivart proposed a solution to the problem of hell whose core contention is that hell is horrible only from a heavenly point of view. From a this-worldly point of view, by contrast, hell is a place of breathtaking felicity.
Today almost every system or service, e.g., water, power supply, transportation, etc. is dependent on IT systems, and failure of these systems have serious and negative effects on the society. IT incidents are critical for the society as they can stop the function of critical systems and services. Moreover, in a software engineering context risk analysis is an important activity for the developmen
Retention in prevention of mother-to-child transmission (PMTCT) care is critical to prevent vertical HIV transmission and reduce morbidity and mortality of mother-infant pairs. We investigated whether weekly, interactive text-messaging improved 18-month postpartum retention in PMTCT care. This randomised, two-armed, parallel trial was conducted at six PMTCT clinics in western Kenya. Pregnant women
Recently, the urbanization in China caused much social problem in China, and one of the distinctive features of urbanization is the increasing population density. This thesis aims to discover the relationship between population density and fertility in China by choosing Xinjiang region as an example, other determinants of fertility in Xinjiang region were also examined, such as average income, emp
Popular Abstract in English Since the first generation of the Toyota Prius was first introduced in December 1997, the number of Hybrid Electric Vehicles (HEVs) and pure Electric Vehicles (EVs) available in the market has increased substantially, and nowadays almost every car manufacturer has at least one HEV or even EV model within their range. The reason behind this trend relies on the increased Since the first generation of the Toyota Prius was introduced in December 1997, the number of Hybrid Electric Vehicles (HEVs) and pure Electric Vehicles (EVs) available in the market has increased substantially. The growing competition existent puts high demands on the electric system as well as the rest of the vehicle. As a consequence, substantial design effort is devoted to optimize both at sys
Over the last decades, Sino-African diplomatic relations have undergone various changes, corresponding with China’s strategic objectives in and with the respective countries. Under the Xi administration, China’s approach to diplomacy has focussed on the quest of becoming a major global power while, or rather through, upholding its traditional values. This paper seeks to analyse how the current dis
