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As high attrition rates becomes a pressing issue of online learning and a major concern of online educators, it is important to investigate online learner motivation, including its antecedents and outcomes. Drawing on Deci and Ryan's self-determination theory, this study proposed and tested a model for online learner motivation in two online certificate(More)
The operating efficiency of Taiwanese commercial banks is a key factor on Taiwan's economic development. However, the credit risk parameters of the banks have serious impact on productivity. In this paper, we use financial ratios to assess credit risk of 34 Taiwanese commercial banks over the period 2005-08, and investigate the performance based on the(More)
Alzheimer's disease is neurodegenerative disorder due to the accumulation of amyloid- β in the brain and causes dementia with ageing. Some researches indicate that the RXR agonist, Targretin, has also been used for treatment of Alzheimer's disease in mouse models. We investigate the potent candidates as RXR agonists from the vast repertoire of TCM compounds(More)
Uroporphyrinogen decarboxylase (UROD) has been suggested as a protectant against radiation for head and neck cancer (HNC). In this study, we employed traditional Chinese medicine (TCM) compounds from TCM Database@Taiwan (http://tcm.cmu.edu.tw/) to screen for drug-like candidates with potential UROD inhibition characteristics using virtual screening(More)
Rheumatoid arthritis (RA) is a chronic inflammatory disease that will affect quality of life and, working efficiency, and produce negative thoughts for patients. Current therapy of RA is treated with disease-modifying antirheumatic drugs (DMARDs). Although most of these treatment methods are effective, most patients still have a pleasant experience either(More)
Recently, cardiovascular disease, also known as loop circulatory system diseases or disorders, is one of the serious diseases including heart disease, stroke, atherosclerosis, myocardial infarction, hypertension, hypotension, and thrombosis. Human pregnane X receptor, PXR, plays a crucial role in exogenous and endobiotic metabolism for rabbit, rat, mouse,(More)
In this paper, a new ultra wideband circular antenna array (UCAA) combining genetic algorithm(GA) to minimize the bit error rate (BER) is proposed. The novelties of our approach is not only choosing BER as the object function instead of sidelobe level of the antenna pattern, but also consider the antenna feed length effect of each array element. The strong(More)
Undoubtedly, blogs are a significant representative in the Web 2.0 age. Every user on the Internet is able to own his or her blog space as a platform to publish personal thoughts, ideas, comments or works. Information can thus be propagated and shared in a much easier way and this has led to the development and evolution of user communities in the(More)