1,720,954 research outputs found
Status Nutrisi Mineral Rusa Totol (Axis axis) Di Lingkungan Istana Kepresidenan Bogor
Get PDFTujuan penelitian untuk mengevaluasi status mineral rusa totol di
lingkungan Istana Kepresidenan Bogor dan melalui analisa status mineral (Ca, P,
Fe, Mn, Zn, Cu dan Pb) di tanah, pakan dan rambut rusa. Rambut merupakan
tempat terakumulasinya mineral terutama logam berat pada tubuh selain hati,
ginjal, kuku dan jaringan adiposa. Analisis rambut dikoleksi dari 15 ekor rusa
jantan yang dipilih secara acak dengan usia ±2.5 – 6 tahun. Tanah yang dikoleksi
dari sepuluh titik, contoh rumput diperoleh melalui cuplikan dari beberapa titik
lahan penggembalaan.
Kadar mineral tanah, pakan dan rambut rusa di analisa menggunakan
Atomic Absorption Spectrofotometry (AAS). Kadar mineral menunjukkan Ca dan
P pada tanah sangat rendah, kadar mineral Fe dan Pb tinggi sedangkan mineral
Mn, Zn dan Cu tanah dalam kisaran normal. Pada rumput lapang, kadar mineral
Ca, P, Cu dan Zn tergolong rendah dan belum dapat memenuhi kebutuhan rusa,
kadar mineral Fe dan Mn tinggi melebihi kebutuhan rusa totol. Mineral Ca, P, dan
Cu dapat dipenuhi dari pakan konsentrat sedangkan Zn dapat dipenuhi melalui
suplementasi mineral blok. Kadar mineral Pb rumput 0.94 ppm masih dalam batas
normal. Kadar Mineral Ca, Fe dan Mn pada rambut rusa tergolong tinggi, namun
kadar Zn dan Cu rambut rendah (P<0.01). Tingginya kadar Pb rambut diduga
terjadi oleh akumulasi Pb dalam jangka waktu panjang.The research was to evaluate the mineral status of spotted deer in the Bogor
Presidential Palace and through the analysis of mineral status (Ca, P, Fe, Mn, Zn,
Cu and Pb) in soil, feed and deer hair. Hair is a place of accumulation of minerals,
especially heavy metals in the body, apart from the liver, kidneys, nails and
adipose tissue. Hair analysis was collected from 15 male deer that were randomLy
selected with an age of ± 2.5 - 6 years. Soil is collected from ten points, grass
samples obtained by sampling from several points of grazing land.
Soil mineral content, forage and deer hair were analyzed using Atomic
Absorption Spectrofotometry (AAS). The mineral content shows that Ca and P in
the soil are very low, the levels of Fe and Pb minerals are high, while the minerals
Mn, Zn and Cu are in the normal range. In field grass, the mineral content of Ca,
P, Cu and Zn is low and has not been able require mineral needed of deer, high
levels of Fe and Mn minerals exceed the needs of spotted deer. Minerals Ca, P,
and Cu can be fulfilled from concentrate feed while Zn can be fulfilled through
mineral block supplementation. The grass Pb mineral content of 0.94 ppm is still
within normal limits. Mineral Ca, Fe and Mn levels in deer hair were high, but Zn
and Cu levels in hair were low (P <0.01). The high level of hair lead is thought to
be caused by long-term Pb accumulation
Status Nutrisi Mineral Rusa Totol (Axis axis) di Lingkungan Istana Kepresidenan Bogor
Get PDFThe study aimed to determine the effect of mineral status (Ca, P, Fe, Mn, Zn, Cu, and Pb) in soil, grass, and hair of spotted deer in the Bogor Presidential Palace. Fifteen male deer were randomly selected with an age of ± 2.5‒6 years. Soil was collected from ten points representing land, and grass samples were obtained by sampling from several points of the grazing area. Mineral content in soil, grass, and deer hair were analyzed using the atomic absorption spectrophotometry. The results showed that the level of Ca (0.03%) and P (0.016%) in the soil are deficient, Mn (1960 ppm), Zn (33.89 ppm), and Cu (77.23 ppm) are considered in the normal range, and Fe and Pb elements are high. Mineral levels of Ca, P, Cu, and Zn in grasses do not meet the daily requirements, whilst high levels of Fe and Mn minerals exceed the requirements for the spotted deer. The Pb content in grass is 0.94 ppm, which is within the normal limit. The levels of Ca (0.02%), Fe (308.11 ppm). and Mn (6.18 ppm) minerals in deer hair are high, however, zinc (44.68 ppm) and Cu (3.08 ppm) levels are low. High Pb level (14.38 ppm) is due to the long-term impact of Pb accumulation.
Keywords: Bogor Palace, mineral status, Axis axi
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Get PDFWe 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
- …
