1,720,998 research outputs found
RENDEMEN EKSTRAK ETANOL DAN UJI FITOKIMIA TIGA JENIS TUMBUHAN OBAT KALIMANTAN BARAT (Rendement of Ethanol Extracts and Phytochemical Tests In Three of Species Medicinal Plants of West Borneo)
Full text linkThe tropical rain forest in West Borneo has a variety of plants species that have been used as an ingredient in traditional medicines such as pelanjau wood (Pentaspadon motleyi Hook.f), bakau wood (Rhizopora apiculata) and gerunggang bark (Cratoxylum arborescens (Vahl) Bl). Aim of this research is to determine the yields of pelanjau wood, bakau wood and gerunggang bark ethanol-soluble extracts and bioactive compounds through phytochemical tests. The extraction using was done ethanol as solvent and by maceration. The extracts of obtained phytochemical tested. The results showed that the yield of ethanol extracts pelanjau wood, bakau wood and gerunggang bark was 7,14%; 4,34% and 9,47%, respectively. Pelanjau wood extracts contained the bioactive compounds tannins and flavonoids; bakau wood and gerunggang bark contained tannins, saponins, flavonoids and quinines Key word : Rendement, ethanol extracts, phytochemical, medicinal plant, West Borne
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
Traditional Medicinal Plants Used by the Community of Sri Wangi Village, Kapuas Hulu Regency
Full text linkKapuas Hulu Regency is a Conservation District because most of its area is protected forest (National Parks and Protected Forests). The existence of people who are close to the forest makes them often interact with plants, one of which is with medicinal plants. This study aimed to analyze the types of medicinal plants used by the community of Sri Wangi Village, Boyan Tanjung District, Kapuas Hulu Regency. This study uses a survey method with data collection techniques by snowball sampling. The data collected is the types of medicinal plants used, the medicinal plants' efficacy, the parts used, processing methods, and administration methods. The results showed that the number of medicinal plants used by the community was 34 species and distributed to 19 families. The highest use is found in the leaves (30%), processed by boiling (43.59%) and used by drinking (43.59%). The data on the types of medicinal plants used by the people of Sri Wangi Village can add to the repertoire of knowledge of medicinal plants in West Kalimantan
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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