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Joker Key in Learning a New Text Entry Method
Nathan Godard,Benoit Martin,Poika Isokoski 한국HCI학회 2014 한국HCI학회 학술대회 Vol.2014 No.12
Text entry is a very conservative part of HCI because new text entry techniques often require retraining the users. To minimize the cost of learning we experimented with a joker key. It is a key that can be pressed when the user does not know how to enter a character. The text entry system replaces the joker characters with best guesses for the intended characters. As learning progresses the joker character is needed less frequently. Our data in the context of the MessagEase text entry method shows that the joker key improves the initial performance. Our results also include the first longitudinal study on beginner performance with MessagEase.
Numerical and experimental modelization of the two-phase mixing in a small scale stirred vessel
Sylvana Varela,Manuel Martínez,Jorge A. Delgado,Cyril Godard,Daniel Curulla-Ferré,Jordi Pallares,Anton Vernet 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.60 No.-
The numerical prediction of mass transfer rates of gas components within the liquid phase in a stirred two-phase flow reactor is presented. Experiments have been conducted to determine the flow regime and the number and sizes of the bubbles formed under different conditions. The dynamic field of the two-phase flow was obtained through numerical simulations. Bubbles with the experimentally measured diameter were released from the free surface and tracked numerically to compute the particle Reynolds number, which is used to determine the mass transfer rates. The unbaffled reactor provides mass transfer rates 30% larger than the baffled reactor for the bubbly flow. Mass transfer rates drop about 65% when the emulsion is formed. Therefore, above the critical rotation rate at which the emulsion forms for the unbaffled reactor, the baffled configuration provides larger mass transfer rates. The results indicate that even for the most unfavorable case mass transfer is not the limiting step, as 90% of the equilibrium concentration is reached in 10 s.
Koo, Sung C.,Bracko, Oliver,Park, Mi S.,Schwab, Rebecca,Chun, Hyun J.,Park, Kyoung M.,Seo, Jun S.,Grbic, Vojislava,Balasubramanian, Sureshkumar,Schmid, Markus,Godard, Franç,ois,Yun, Dae-Jin,Lee, Blackwell Publishing Ltd 2010 The Plant journal Vol.62 No.5
<P>Summary</P><P>MADS-domain transcription factors play pivotal roles in various developmental processes. The lack of simple loss-of-function phenotypes provides impediments to understand the biological function of some of the MADS-box transcription factors. Here we have characterized the potential role of the <I>Arabidopsis thaliana AGAMOUS-LIKE6</I> (<I>AGL6</I>) gene by fusing full-length coding sequence with transcriptional activator and repressor domains and suggest a role for <I>AGL6</I> in lateral organ development and flowering. Upon photoperiodic induction of flowering, <I>AGL6</I> becomes expressed in abaxial and proximal regions of cauline leaf primordia, as well as the cryptic bracts subtending flowers. In developing flowers, <I>AGL6</I> is detected in the proximal regions of all floral organs and in developing ovules. Converting <I>AGL6</I> into a strong activator through fusion to the VP16 domain triggers bract outgrowth, implicating <I>AGL6</I> in the development of bractless flowers in Arabidopsis<I>.</I> In addition, ectopic reproductive structures form on both bracts and flowers in <I>gAGL6::VP16</I> transgenic plants, which is dependent on B and C class homeotic genes, but independent of <I>LEAFY.</I> Overexpression of both <I>AGL6</I> and its transcriptional repressor form, <I>AGL6::EAR</I>, causes precocious flowering and terminal flower formation, suggesting that <I>AGL6</I> suppresses the function of a floral repressor.</P>