1,720,954 research outputs found
LIMBAH BATUBARA SEBAGAI BAHAN CAMPURAN PERBAIKAN LAPISAN TANAH DASAR DI KALIMANTAN SELATAN
No full textThe coal waste that is generated from the steam power plant (PLTU) process can cause environmental pollution. The coal waste is then investigated to be used as a mixture to stabilize the subgrade of road construction for the South Kalimantan area. The purpose of this study was to determine the characteristic value of each combination of fly ash, bottom ash, and cement as a mixture of subgrade layer. The 5 combinations of fly ash, bottom ash, cement, and soil were used as a mixture of subgrade layer. This research used an experimental method through laboratory testing which included the Atterberg limit testing, specific gravity, sieve analysis, compaction and california bearing ratio. Furthermore, it was obtained the composition of fly ash, bottom ash, cement and soil that can be used for common and selected embankments in highway construction for soft soils in South Kalimantan.
Keywords: coal waste, subgrade, selected embankment, common embankment
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Variations on the Author
Full text link“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
Studi Pasir Sungai Sebagai Agregat Halus Pada Laston Permukaan (Asphaltic Concretewearing Course, Ac-wc)
Full text linkKonstruksi perkerasan jalan lentur Laston permukaan (Asphaltic Concrete-WearingCourse, AC-WC) harus memiliki sifat-sifat, kuat memikul beban lalu lintas, keawetan tinggi,kedap air, permukaan rata tahan aus dan kekesatan yang cukup. Bahan campuran Lastonpermukaan (AC-WC) terdiri dari fraksi agregat kasar, medium, halus, filler dan bahanpengikat menggunakan aspal. Agregat fraksi halus terdiri dari kombinasi batu pecah danpasir sungai. Deposit pasir sungai cukup banyak. Pasir sungai mempunyai kualitas baik,didapat gradasi dan berat jenis yang bervariasi. Batu pecah dari quary Gunung Martadahdan pasir sungai dari Sungai Awang Bangkal, Sungai Rantau, Sungai Pengaron dan SungaiBarito.Penelitian menggunakan material batu pecah quary Gunung Martadah B denganproporsi fraksi agregat kasar 18%, fraksi agregat medium 40%, fraksi agregat halus 30%,pasir sungai10%, filler menggunakan semen portland 2%. Proporsi pasir sungai disamakansebesar 10%, (Sungai Awang Bangkal atau Sungai Rantau atau Sungai Pengaron atauSungai Barito). Gradasi agregat gabungan mendekati kurva Fuller, persen lolos saringanNo.100 dan No.200 mendekati batas bawah spesifikasi untuk Laston Permukaan (AC-WC)gradasi kasar.Dengan berat jenis semakin besar nilai kepadatan campuran makin besar padagradasi, kadar aspal dan enerji pemadatan yang sama. Nilai kepadatan dipengaruhi olehgradasi, kadar aspal, berat jenis agregat dan enerji untuk memadatkan. Semakin tinggikepadatan (density) maka nilai VIM, VMA lebih rendah dan sebaliknya VFB tinggi didapatstabilitas dan durabilitas tinggi.Pengujian Marshall dengan perendaman selama 24 jam dan60°C untuk material batu pecah Gunung Martadah B dan pasir sungai (Sungai AwangBangkal atau Sungai Rantau atau Sungai Pengaron atau Sungai Barito) pada campuranLaston permukaan (AC-WC) diperoleh niliai stabilitas Marshall sisa lebih besar dari 90persen sehingga dinyatakan memenuhi persyaratan.Kata kunci: Laston permukaan (AC-WC), batu pecah, pasir sungai, karakteristik Marshal
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Full text linkWe 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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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