1,720,954 research outputs found

    Pengaruh pemberian urine sapi sebagai larutan hara terhadap produktivitas tanaman sayuran hidroponik

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    Penelitian bertujuan menganalisis pengaruh pemberian pupuk yang berasal dari limbah urine sapi yaitu urine dan biourine terhadap produktivitas tanaman sayuran hidroponik. Sayuran yang digunakan yaitu kangkung(Ipomea reptans) dan pakcoy (Brasicca rapaL).Penelitian dilakukan selama 2 bulan dan menggunakan rancangan acak lengkap (RAL)dengan 3 perlakuan dan 6 ulangan. Data yang didapat dianalisis ragam kemudian dilanjutkan uji banding berganda Tukey. Perlakuan pada penelitian ini adalah AB mix, urine, dan biourine. Peubah yang diamati yaitu tinggi tanaman, panjang daun, lebar daun, jumlah daun, nilai EC dan pH. Hasil penelitian menunjukan bahwapada tanaman kangkung perlakuan biourine memberikan pengaruh yang nyata (P<0.05) terhadap panjang dan jumlah daun, pada tanaman pakcoy perlakuan AB mix terhadap panjang dan lebar daun

    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

    Pengaruh terapi musik klasik mozart terhadap insomnia pada penderita kanker: studi perbandingan berbasis sintesis literatur

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    Insomnia merupakan gangguan tidur yang umum terjadi terutama pada penderita kanker diakibatkan nyeri yang dirasakan serta efek samping dari obat-batan kanker. Penelitian ini dilakukan untuk mengidentifikasi pengaruh terapi musik klasik mozart terhadap insomnia pada penderita kanker. Penelitian ini menggunakan pra eksperimental dengan one group pretest-posttest design, populasi seluruh pasien kanker di Puskesmas Pacar Keling Surabaya sebanyak 82 orang, teknik sampling purposive sampling, durasi waktu 15 menit sebelum tidur (18.00-20.00) selama 1 minggu menggunakan kuesioner Insomnia Severity Index (ISI). Penelitian ini berbasis sintesis literature. Penelusuran artikel penelitian dilakukan menggunakan 1 situs pencarian jurnal yaitu Google Scholar dengan kata kunci tertentu dalam rentang tahun 2010-2020. Dari 10 artikel, didapatkan artikel yang memiliki persamaan dengan penelitian saat ini, yaitu 2 (20%) artikel mempunyai tujuan yaitu pengaruh terapi musik klasik mozart terhadap insomnia, 3 (30%) pra eksperimental dengan one group pretest-posttest design, 2 (20%) populasi kanker, 3 (30%) purposive sampling, 1 (10%) Insomnia Severity Index (ISI), 2 (20%) Wilcoxon Signed Rank Test. Dari 10 artikel juga didapatkan perbedaan dengan penelitian saat ini yaitu, 8 (80%) tujuan berbeda, 7 (70%) desain berbeda, 8 (80%) populasi berbeda, 7 (70%) teknik sampling berbeda, metode intervensi berbeda mulai dari durasi waktu dan jam pelaksanaan intervensi, 9 (90%) instrumen berbeda, 8 (80%) uji statistik berbeda. Dari 10 artikel yang telah direview, 10 (100%) memiliki H1 diterima artinya ada pengaruh pemberian terapi musik terhadap insomnia dan kualitas tidur. Penelitian ini diharapkan agar terapi musik klasik mozart dapat diterapkan pada pasien kanker yang mengalami insomnia sehingga memiliki kualitas tidur yang baik

    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

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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