1,720,962 research outputs found
Fig. 6 in Yuelushannus gen. nov. (Araneae, Linyphiidae) from China
Fig. 6. Yuelushannus barbatus sp. nov., male palp, holotype YLS-17-0301~01. A. prolateral view. B. Retrolateral view. C. Ventral view. D. Dorsal view. E, F. Embolic division. Scale bars: 0.1 mmPublished as part of Irfan, Muhammad, Zhou, Gu-chun, Bashir, Shahida, Mukhtar, Muhammad Khalid & Peng, Xian-jin, 2020, Yuelushannus gen. nov. (Araneae, Linyphiidae) from China, pp. 1-17 in European Journal of Taxonomy 642 on page 10, DOI: 10.5852/ejt.2020.642, http://zenodo.org/record/381714
Fig. 1 in Yuelushannus gen. nov. (Araneae, Linyphiidae) from China
Fig. 1. Yuelushannus alatus sp. nov., male palp, holotype (HNDWS-18-04~01). A. Prolateral view. B. Retrolateral view. C. Ventral view. D. Dorsal view. Scale bars: 0.1 mm.Published as part of Irfan, Muhammad, Zhou, Gu-chun, Bashir, Shahida, Mukhtar, Muhammad Khalid & Peng, Xian-jin, 2020, Yuelushannus gen. nov. (Araneae, Linyphiidae) from China, pp. 1-17 in European Journal of Taxonomy 642 on page 4, DOI: 10.5852/ejt.2020.642, http://zenodo.org/record/381714
Yuelushannus Irfan & Zhou & Bashir & Mukhtar & Peng 2020, gen. nov.
Yuelushannus gen. nov. urn:lsid:zoobank.org:act: 18108D03-0826-4EF0-BB3A-E90031CFD461 Figs 1–11 Type species: Yuelushannus barbatus sp. nov. Etymology The genus is named after the type locality (Yuelu) of the type species. Gender masculine. Diagnosis Male abdomen with two pairs of sigellae and distinct scutum at anterior two third. (Figs 6 A–C, 7) as in Ceratinella Emerton, 1882 (Ono et al. 2009: figs 63–66).The new genus can be differentiated from other genera on the basis of the following characters. Male carapace modified, cephalic pits present, the ocular region with thick spines pointing away from each other. Male palp: distal end of tibia dorsally with two tongue-shaped apophyses, densely covered with teeth (Figs 6B, 7B); embolus simple, sclerotized, very long and thick (Figs 6 A–C, 7); anterior radical process as long as embolus, with distal frayed end (Figs 6 A–C, 7). Epigyne: dorsal plate with scapus (Figs 8–9) as in Paikiniana Eskov, 1992 (Zhao & Li 2014: figs 75a–c, 76c–d); copulatory ducts column-shaped; spemathecae present at lateral sides of dorsal plate (Figs 8–9). Description BODY. Small (1.75–1.9); male cephalic lobe and pits distinct, ocular area with thick spines; female palpal claw absent; AER slightly procurved, PER recurved; both male and female abdomen with four sigillae; tracheal system desmitracheate, with two trunks confined to abdomen. Chaetotaxy: 1–1–1–1. TmI 0.16– 0.25, TmIV 0.12–0.18; leg formula IV–I–II–III; legs yellow without obvious patterns. MALE PALP (Figs 1–2, 6–7). Patella as long as tibia; tibia with one retrolateral and one dorsal trichobothrium, dorsally with two tongue-shaped apophyses, densely covered with teeth; paracymbium hookshaped; tegulum with long transparent protegulum; distal suprategular apophysis sclerotized, distal end curved, extending forward. Embolic division: tail piece long, slightly overlapping suprategulum; embolic membrane transparent, tapered towards tip; embolus long arc-shaped, distally connected with thick sclerotized anterior radical process, as long as embolus extending forward. EPIGYNE (Figs 3–4, 8–9). Ventral plate concave, covered with thick spines; posterior margin of dorsal plate with scapus; copulatory openings between dorsal and ventral plate; copulatory ducts long, columnshaped; dorsolateral spermathecae separated by ¾ of their diameter; fertilization ducts small, extending mesally. Natural History Mainly lives under leaf litter layer of broad-leaved and shrubbery forest; breeding season from October through April; adapted to temperatures from 0°C to 39°C. Distribution China (Hunan Provice, Fig. 11).Published as part of Irfan, Muhammad, Zhou, Gu-chun, Bashir, Shahida, Mukhtar, Muhammad Khalid & Peng, Xian-jin, 2020, Yuelushannus gen. nov. (Araneae, Linyphiidae) from China, pp. 1-17 in European Journal of Taxonomy 642 on page 3, DOI: 10.5852/ejt.2020.642, http://zenodo.org/record/381714
Evaluación de concentraciones de macrominerales en sangre de vacas Desi lactantes y secas
Objective. This study was conducted during winter season at rural livestock farm of district Sargodha, Pakistan, in order to define the macrominerals status in blood plasma of lactating and dry Desi breed cows. Material and methods. Twenty lactating and twenty dry cows were used and their blood plasma was analyzed for Ca, Mg, Zn, Cu and Fe using atomic absorption spectrophotometer. Results. In lactating cows, the plasma Ca concentration was lower than dry cows (6.8 vs. 7.6 mg/dl, p<0.001), while Mg concentration was similar between lactating and dry cows. Plasma Zn concentration in lactating cows was higher than dry cows (0.78 vs. 0.60mg/l, p<0.01) and it resulted lower than the normal range in both groups. Plasma Cu level in lactating cows was lower than dry cows (0.56 vs. 0.76 mg/L, p<0.001) and it was lower than the normal range only in lactating cows. Lactating cows resulted in higher plasma Fe concentration compared to dry cows (3.8 versus 2.6 mg/L; p<0.01). Conclusions. From our findings, it can be concluded that the observed minerals level meets the needs of ruminants and the plasma level of different minerals is affected by the physiological stages of cows.201
Going Beyond Counting First Authors in Author Co-citation Analysis
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
Variations on the Author
“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
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
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
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