1,721,283 research outputs found

    Finite-difference time-domain modeling of oblique indidence scattering from periodic surfaces

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    Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.Includes bibliographical references (p. 195-201).by Yin-Chun Andrew Kao.M.Eng

    Consumption of dried fruit of Crataegus pinnatifida (hawthorn) suppresses high-cholesterol diet-induced hypercholesterolemia in rats

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    Author name used in this publication: Mabel Yin-Chun YauAuthor name used in this publication: Peter Hoi-Fu Yu2009-2010 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishedGreen (AAM

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    supplementary_material – Supplemental material for Synthesis of cyclic phenyl hexayne from Me<sub>3</sub>Si-/Ph<sub>2</sub>P(O)-protected ethynes

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    Supplemental material, supplementary_material for Synthesis of cyclic phenyl hexayne from Me3Si-/Ph2P(O)-protected ethynes by Li Wu, Li-fen Peng, Zhi-fang Hu, Hong Wang, Zi-long Tang, Yin-chun Jiao and Xin-hua Xu in Journal of Chemical Research</p

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Financial Crisis and Accounting Information:ubprime Loan and Related Financial Instruments

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    本論文從2008年金融危機談起,探討金融危機的成因、金融危機對市場和代表性金融機構之影響以及各國政府如何因應金融危機所帶來的衝擊。由於金融機構將貸款證券化,包裝重組為多種不同風險類型的金融商品,以較高的報酬賣給機構投資者或個人,導致危機以骨牌效應不斷擴展,因此論文接著探討證券化相關議題。最後透過相關會計公報之比較分析,以及準則制定機構對於公平價值衡量金融商品產生疑義的因應措施,尋找公平價值之會計處理脈絡,以提出如何落實公平價值會計之建議。 實施公平價值會計能提升資訊品質、反映經濟實質,由於公平價值對於報導個體所擁有之經濟資源提供即時且完整的價值評估,係能做為突顯金融問題的預警機制,反映目前金融危機的嚴重性,因此應繼續採用公平價值會計,並達到落實公平價值會計的核心價值,本論文就如何落實公平價值會計提出之建議如下:、加強評價方法及相關資訊之揭露、簡化金融商品之會計處理、建立評價機制並培育評價人才、強化企業公平價值資訊之取得、健全金融機構對金融商品評價之內部控制、會計師查核金融商品之公平價值、落實金融商品交易之監理Subprime loan and related financial instruments are used to study the financial crisis of 2008. This financial crisis results from the overextension of credit and the sophistication of securitization. The liquidity crunch influences financial market and global economy negatively. Many financial institutions are taken over by the government or fall into bankruptcy. To mitigate the impact of financial crisis, central banks add capital to markets, decrease interest rate or adopt financial bailouts. Financial crisis leads to a significant decrease in the volume and level of activity for assets or liabilities. The difficulty of determination for fair value of financial instruments causes some criticisms and challenges. The adoption of fair value accounting actually increases the relevance of financial information and helps to reflect the severity of financial problems. Through comparison and analysis of the financial standards, the thesis provides some suggestions to implement fair value accounting. The following are the propositions of enforcing fair value accounting:. Enhance disclosure of valuation techniques and assumptions.. Simplify recognition and measurement of financial instruments.. Establish valuation standards and cultivate related professionals. Strengthen the acquisition of fair value information . Augment internal control of financial instruments valuation.. Improve fair value audit.. Reinforce the supervision of financial markets.第一章 緒論1一節 研究背景1二節 研究動機與目的3三節 研究方法與架構6二章 金融危機之成因8一節 次級房貸10二節 證券化相關商品23三章 金融危機之影響32一節 市場32二節 公司43四章 各國政府之因應59一節 美國64二節 歐洲71三節 亞洲81四節 台灣86五章 金融資產證劵化91一節 證券化之基本架構91二節 金融資產證券化之會計處理96三節 證券化交易相關會計處理問題與建議112六章 公平價值會計117一節 現行會計處理118二節 現行會計處理之疑義126三節 準則制定機構之因應133四節 金融危機後我國實施公平價值會計應注意事項141七章 結論148考文獻15

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