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Globalization and internationalization of higher education around the world is “forcing” many universities and colleges from non-English speaking countries to offer a significant part of their educational programs in English. The main motivation to do so is partly to successfully implement student exchange programs such as the European Erasmus Program, and partly to attract “fee-paying free-moving” students from abroad. A third long-term reason to teach in English is to educate young pre-professionals for the global market. However, the adaptation of technical courses from national languages to English cannot be done overnight. On the contrary, this process demands time-consuming preparations that typically involve the expansion of background references and careful planning. In addition, the English skills of course instructors must assure the effective transmission of information, and very often professors face certain difficulties and uncomfortable limitations. Generally speaking, instructing in a foreign language results in less “colourful” expressions. Recent investigations conducted in Sweden on higher education show that teaching efficiency is inferior for courses taught in English when compared with the same courses given in Swedish. This paper deals with various experiences related to the process of changing the language of instruction from Swedish to English in three Machine Design courses taught at Linnaeus University.
Steven L. Alderman, Chen Song, Serban C. Moldoveanu and Stephen K. Cole
The relatively volatile nature of the particulate matter fraction of e-cigarette aerosols presents an experimental challenge with regard to particle size distribution measure-ments. This is particularly true for instruments requiring a high degree of aerosol dilution. This was illustrated in a previous study, where average particle diameters in the 10-50 nm range were determined by a high-dilution, electrical mobility method. Total particulate matter (TPM) masses calculated based on those diameters were orders of magnitude smaller than gravimetrically determined TPM. This discrepancy was believed to result from almost complete particle evaporation at the dilution levels of the electrical mobility analysis. The same study described a spectral transmission measurement of e-cigarette particle size in an undiluted state, and reported particles from 210-380 nm count median diameter. Observed particle number concentrations were in the 109 particles/cm3 range. Additional particle size measurements described here also found e-cigarette particle size to be in the 260-320 nm count median diameter range. Cambridge filter pads have been used for decades to determine TPM yields of tobacco burning cigarettes, and collection of e-cigarette TPM by fibrous filters is predicted to be a highly efficient process over a wide range of filtration flow rates. The results presented in this work provide support for this hypothesis.
Described here is a study in which e-cigarette aerosols were collected on Cambridge filters with adsorbent traps placed downstream in an effort to capture any material passing through the filter. Amounts of glycerin, propylene glycol, nicotine, and water were quantified on the filter and downstream trap. Glycerin, propylene glycol, and nicotine were effciently captured (> 98%) by the upstream Cambridge filter, and a correlation was observed between filtration efficiency and the partial vapor pressure of each component. The present analysis was largely inconclusive with regard to filter efficiency and particle-vapor partitioning of water. [Beitr. Tabakforsch. Int. 26 (2014) 183-190]
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Teodora Popescu, Ioan Moise Achim and Manuella Kadar
The present paper analyses and exemplifies the role of information systems in the processes of enterprise transformation, by presenting the case study of a hotel chain that elaborated a new integrated information system in order to increase efficiency of the room booking process. The theoretical literature will outline the main theories concerning enterprise transformation and its role in the knowledge-based society, and in particular, its importance in efficiency-driven economies, such as Romania’s. The case study will also describe the IS in terms of motivation, options, anticipated benefits, related risks, implementation costs and duration, assessment of investment. A detailed activity plan will be provided, as well as an analysis of resources involved. Of extreme relevance is the presentation of the expected social impact of the development project, which proves the multifacetedness of enterprise transformation, through its large outreach to all stakeholders, not only employees and customers, but the society at large.
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