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Endosulfan is a commonly used organochlorine in Durham Region, Ontario Canada which has known toxic effects on non-target organisms including fish. This research investigated the effects of endosulfan on Florida flagfish (Jordanella floridae), using both continuous and pulse-exposure. The 96 hour continuous exposure LC50 in larval flagfish was 4.35 μg/L; sub-lethal observations included hyperactivity, convulsions, and some axis malformation. The effects of a 4 hour endosulfan pulse-exposure on 7-8 day-old larval growth, reproduction, and survivability were investigated over one full life-cycle. The 4 hour pulse-exposure LC50 value for larval flagfish was 49.7 μg/L; there were no growth or reproductive effects of endosulfan pulse-exposure up to the highest exposure concentration of 10 μg/L. Thus, the life-cycle 4-h pulse-exposure no observed effect concentration (NOEC) and lowest observed effect concentration (LOEC) were 3.2 and 10 μg/L endosulfan, respectively, due to significantly higher mortality.

Boom is a hot term referred frequently by the media, which means a character, phenomenon, or an issue that will be discussed extensively as well as attracted by the public. In this article, we will explore the background and cause of the phenomenon of boom by discussing smart phone¡Bnetbook¡B MP3 player and social network service as four case studies and then process the analysis. According to the research, the price of products does not cause information products to boom, nor the best efficiency or the last volume. It is efficiency of the products combined with the design that cause boom; however, it is also depends on the products that will fulfill the demand of consumers or not. One of the characteristic of the phenomenon of boom is that products have to collocate with other application content and service in order to produce the value. Therefore, they all need good internet connection ability an environment that can let the application content rapidly accumulate. The building of open platform will help the accumulation of application content and the improvement of value of products. In addition, suppliers that have higher brand value by consumers will much easily produce the phenomenon of boom because the cost of hardware is higher than that of software or that of service. Nevertheless, this phenomenon does not appear in software or service products, products that appear highly concentrated in industries. Finally, compared other applications, we will find reasons why entertainment-oriented products are more likely to have the phenomenon than others.

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Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 198-204). Also available via the Internet.

Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 80-90). Available also in a digital version from Dissertation Abstracts.

Thesis (Ph.D.)--University of Texas at Arlington, 2009.

Thesis (D. Com.(Marketing Management))--Universiteit van Pretoria, 2001. / Includes bibliographical references. Available also on the Internet via the World Wide Web.

Thesis (M.S. in Management)--Naval Postgraduate School, June 2004. / Thesis advisor(s): Don Eaton. Includes bibliographical references (p. 97-98). Also available online.