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TEKNOLOGI ZINC CARTRIDGE DAN TI-WIRE SENSOR SEBAGAI TEKNOLOGI PROTEKSI KATODIK DAN PEMANTAUAN KOROSI BAJA TULANGAN BETON PERTAMA DI INDONESIA
Full text linkAbstract
Corrosion of steel rebar in bridge structures is a growing issue worldwide. A pilot research project on corrosion hazards in Indonesia was carried out by employing maintenance technology using sacrificial anode cathodic protection and corrosion monitoring system based on wireless information and communication technology. This paper presents experimental studies on Zinc Cartridge as a concrete repair systems and utilization of Titanium Wire (Ti-Wire) Sensor as a reference electrode in the concrete repair system by applying them to chloride-contaminated concrete exposed to a dry-tropical climate environment. From the reported work, it can be concluded that Zinc Cartridge affords excellent corrosion protection in dry-tropical conditions, and that Ti-Wire Sensor is reliable to be used as a reference electrode for rebar corrosion monitoring in concrete.
Keywords: Zinc Cartridge; Ti-Wire Sensor; cathodic protection; corrosion protection; corrosion monitoring
Abstrak
Korosi baja tulangan pada struktur-struktur jembatan telah tumbuh menjadi suatu masalah di seluruh dunia. Suatu kajian awal tentang dampak korosi di Indonesia telah dilakukan dengan menggunakan sistem pemeliha-raan yang menggunakan teknologi proteksi katodik anode korban dengan dilengkapi teknologi pemantauan korosi berdasarkan sistem informasi dan komunikasi secara nirkabel. Makalah ini menyajikan suatu studi eksperimental tentang Zinc Cartridge sebagai sistem perbaikan beton dan pemanfaatan sensor Titanium Wire (Ti-Wire) sebagai elektrode referensi dalam sistem perbaikan beton, dengan menerapkannya pada beton terkontaminasi klorida yang terpapar lingkungan iklim tropis kering. Berdasarkan hasil studi dan pengamatan yang didapat, diperoleh kesimpulan bahwa Zinc Cartridge System mampu memberikan perlindungan korosi yang sangat baik dalam kondisi lingkungan tropis yang kering, dan sensor Ti-Wire dapat diandalkan untuk digunakan sebagai elektrode referensi untuk pemantauan korosi tulangan pada beton.
Kata-kata kunci: Zinc Cartridge; Ti-Wire Sensor; proteksi katodik; perlindungan korosi; pemantauan koros
LIFE-EXTENSION OF RC STRUCTURE BY CATHODIC PROTECTION USING ZINC SACRIFICIAL ANODE EMBEDDED IN CONCRETE
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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
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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