1,720,996 research outputs found
旧ソ連邦におけるファイトレメディエーションを用いた放射性 137Cs 除去技術の確立
2001-2002年度科学研究費補助金(基盤研究(B)(2))研究成果報告書 課題番号:13574019 研究代表者:舟川晋也(京都大学大学院農学研究科助教
土壌水分モニタリングシステムを用いた湿潤熱帯傾斜畑における土壌浸食発生過程の解析
平成12-14年度科学研究費補助金(基盤研究(B)(2)研究成果報告書 課題番号:12460032 研究代表者:舟川晋也(京都大学大学院農学研究科助教
Preface The Board of Editors:
The increase of world population needs more food, feed, fuel, and fiber. Meanwhile, agricultural land supply is somewhat stationary or even decreasing. Ensuring food provision requires both intensification and expansion strategies. Considering internal circumstances, options may vary across countries. Indonesia, for instance, by population growth rate at 1.3 % year −1 and increasing middle income families, the need of diversity and improved quality of food become prevalent. Nevertheless, irrigated agricultural production decreased considerably, being converted to non-agricultural uses. The deterioration of agricultural land resources has occurred due to mismanagement while climate change has worsened the conditions globally. Narrowing yield gap in the existing agricultural land has been the primary efforts worldwide. Various farming systems have been established to minimize agro-inputs while generating high yields. The efforts differ across agro-ecosystems and being specific for each country. In Indonesia, the agro-ecosystems are divided into irrigated and rainfed agricultural lands, uplands (dry- and wet-climate agricultural lands), and wetlands (tidal and non-tidal agricultural lands, including peatlands). Each ecosystem requires specific land management which combines strategies and components previously studied. List of Conference Committee, Steering Committee, Delegate list are available in this pdf
Going Beyond Counting First Authors in Author Co-citation Analysis
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
Soils, ecosystem processes, and agricultural development tropical Asia and sub-saharan Africa
京都府北部の天然林下における土壌生成過程に関する研究
本文データは平成22年度国立国会図書館の学位論文(博士)のデジタル化実施により作成された画像ファイルを基にpdf変換したものである京都大学0048新制・課程博士博士(農学)甲第5467号農博第767号新制||農||656(附属図書館)学位論文||H5||N2591(農学部図書室)UT51-93-J522京都大学大学院農学研究科農芸化学専攻(主査)教授 久馬 一剛, 教授 古川 久雄, 教授 岩坪 五郎学位規則第4条第1項該当Doctor of Agricultural ScienceKyoto UniversityDFA
Variations on the Author
“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
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
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
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