12,604 research outputs found
Eumerus efflatouni Curran 1938
No full textEumerus efflatouni Curran, 1938 Citabaena efflatouni Curran, 1938: 12. Type locality: Egypt (Ezbet El-Nakhl). Eumerus vestitus Bezzi, 1912: 442. Type locality: Guinea-Bissau. [of Egyptian authors]. Materal examined: 2 males, 2 females, Gebel Elba, I.1930, leg. H.C.E. & M.T [EFC as E. vestitus]. World distribution: PA: Egypt, Israel. Egyptian localities: Coastal Strip: Dekheila, Ibrahemiya, Mariout, Moharam Bey, Ramleh. Eastern Desert: Wadi Hoff. Fayoum:?. Gebel Elba:?. Lower Nile Valley & Delta: Abu-Rawash, El-Gebel El-Asfar, El-Marg, Ezbet El-Nakhl, Giza, Kirdassa, Khosous, Kombera, Maadi, Quisna, Shubra. Sinai: Ein Moussa, Moweilleh. [Sources: Curran (1938); Efflatoun (1922) and Shaumar & Kamal (1978), as E. vestitus in all]. Activity period in Egypt: Throughout the year. Remarks: The presence of this species in Egypt was confirmed by Dirickx (1994), who thought that the Afrotropical vestitus was clearly a different species. Curran described efflatouni from a single male caught near Cairo, and considered all of Efflatoun’s specimens of vestitus to be his new species. Efflatoun (1922) stated that this species (as E. vestitus) is a very interesting fly owing to the fact that it closely mimics the flight of Hymenoptera. It was observed flying above Polygonum equisetiforme at El-Marg. He observed that the adult continuously moves and vibrates its wings, it rests on the flowers for a short time and suddenly darts away and sits on the sand and then back again on the flowers, repeating this performance over and over again. The larvae are bred consistently from onions (Gendy, 1978).Published as part of El-Hawagry, Magdi S. & Gilbert, Francis, 2019, Catalogue of the Syrphidae of Egypt (Diptera), pp. 201-248 in Zootaxa 4577 (2) on page 217, DOI: 10.11646/zootaxa.4577.2.1, http://zenodo.org/record/262964
Reaching older people with PA delivered in football clubs: the reach, adoption and implementation characteristics of the Extra Time Programme.
No full textBackground Older adults (OA) represent a core priority group for physical activity and Public Health policy. As a result, significant interest is placed on how to optimise adherence to interventions promoting these approaches. Extra Time (ET) is an example of a national programme of physical activity interventions delivered in professional football clubs for OA aged 55+ years. This paper aims to examine the outcomes from ET, and unpick the processes by which these outcomes were achieved. Methods This paper represents a secondary analysis of data collected during the evaluation of ET. From the 985 OA reached by ET, n=486 adopted the programme and completed post-intervention surveys (typically 12 weeks). We also draw on interview data with 18 ET participants, and 7 staff who delivered the programme. Data were subject to thematic analysis to generate overarching and sub themes. Results Of the 486 participants, the majority 95%, (n= 462) were White British and 59.7% (n=290) were female. Most adopters (65.4%/n=318) had not participated in previous interventions in the host clubs. Social interaction was the most frequently reported benefit of participation (77.2%, n=375). While the reach of the club badge was important in letting people know about the programme, further work enhanced adoption and satisfaction. These factors included (i) listening to participants, (ii) delivering a flexible age-appropriate programme of diverse physical and social activities, (iii) offering activities which satisfy energy drives and needs for learning and (iv) extensive opportunities for social engagement. Conclusions Findings emerging from this study indicate that physical activity and health interventions delivered through professional football clubs can be effective for engaging OA
Characteristics of PA cost-effectiveness studies by the first author, setting, number of PAs & design.
No full textCharacteristics of PA cost-effectiveness studies by the first author, setting, number of PAs & design.</p
South African responses to Open Access publishing: a survey of the research community
No full textOpen access publishing offers wide benefits to the scholarly community and may also afford relief to financially embattled academic libraries. The progress of the open access model rests upon the acceptance and validation of open access journals and open archives or institutional repositories by the academic mainstream, particularly by publishing researchers. To what extent are the key actors in the South African research system aware of the advantages of open access? This article reports on the findings of a recent survey undertaken to assess the current awareness, concerns and depth of support for open access amongst local researchers, research managers and policy makers in South Africa. The study focuses on issues of quality, article or author charges and the established academic reward system. It concludes that within the prevailing framework, there is little prospect that academics would choose to publish within open access
journals. Recommendations for advocacy by the library community are proposed
Stipomorpha inarmata Curran 1925
No full textStipomorpha inarmata (Curran, 1925) Figs 158–161, 236. Microdon inarmatus Curran, 1925: 5. Studied type specimens. HOLOTYPE. GUYANA. Male. Label 1: "Collection C.W. Johnson"; label 2: "Bartica, BG, IV. I 1901 "; label 3 (red): " Type Microdon inarmatus Curran "; label 4 (red): " Type 7656 "; label 5: " Jan.-July 2003, MCZ Image Database". Coll. MCZ. Additionally studied specimens. BRAZIL: 1 male & 1 female, Boca do Cuminá-Miri, Oriximiná, PA [Pará], 19-26.I. 1968, Exp. Perm. Amaz, coll. USNM. FRENCH GUYANA: 1 female, Kaw Mountains, 04° 32.893 'N- 52 ° 10.245 'W, 8.XII. 2002, leg. V. Soon, coll. RMNH; 1 female, Roura, Kaw Road, PK 37, Relais Patawa, N 04° 32 ’ 42 ”- W 52 °09’09”, malaise trap, XII. 2008, leg. J.A. Cerda, coll. RMNH. GUYANA: 1 male, Essequibo R., Moraballi Creek, 29.IX. 1929, leg. Oxf. Univ. Expedn., coll. CNC. Redescription Adult male. Body size: 8 mm. Head. Face occupying 1 / 4 of head width in frontal view; shining yellow with blackish brown median stripe from oral margin to antennal fossa; face with white pilosity, a little longer around oral margin, except bare on median stripe. Gena brown. Occiput black; black pilose dorsally, getting white laterally and ventrally. Oral cavity with produced lateral margins and notched anterior margin. Frons and lunula black and short black pilose, except for bare triangular part posterior to lunula. Vertex black; black pilose. Eye very sparsely and short pilose, with pili about as long as ommati diameter, appearing bare under low magnification. Antennal fossa about as wide as high. Antenna brown; scape and pedicel dark pilose; antennal ratio 4: 1: 3.5; basoflagellomere parallel-sided with narrowly rounded apex, with sensory pit located at 3 / 4 from base, within a vague groove that ranges from just before 1 / 2 to just after the pit; arista slender, about 2 / 3 of length of basoflagellomere, very shortly pilose, appearing bare under low magnification. Thorax. Scutum black, postpronotum and postalar callus pale brown, pleurae dark brown, scutellum dark brown. Postpronotum, scutum, postalar callus and scutellum short black pilose, except scutum with lateral fasciae of white pile along transverse suture and lateral prescutellar patches of white pile. Scutellum semicircular, without calcars. Anepisternum more or less flat, yellow pilose anterodorsally, bare posteriorly. Anepimeron pilose posterodorsally. Katepisternum and katepimeron bare. Calypter grey, halter yellowish. Wing: hyaline; microtrichose except bare on basal 3 / 4 of cell br, basal 1 / 2 of cell bm, anterobasal 1 / 4 of cell cup, basomedially on alula. Legs: brownish black, except anterior four tarsi yellow with first tarsomeres darker, and hind tarsi with last three tarsomeres yellow. Femora black pilose; anterior four tibiae white pilose; hind tibia white pilose on basal 2 / 3, black pilose on apical 1 / 3; tarsi black pilose dorsally, yellow pilose ventrally. Pile on hind-atibia a little longer than half the width of the tibia. First tarsomere of hind tarsus as long as 1 / 3 of length of hind-tibia, a little wider than apex of tibia, twice as long as wide (dorsal view). Coxae and trochanters pale pilose. Abdomen. Blackish brown, except tergites 1 & 2 pale brown. Second segment wider than thorax, widest point at half the lentgh; third and fourth tergites strongly narrowing. Tergites pale pilose. Sternite 1 bare, sternite 2 probably bare, sternite 3 and 4 pilose. Genitalia as in fig. 236. Female. Unknown. Diagnosis. From other Stipomorpha- species with a black thorax, S. inarmata can be recognized by the following characters: face largely yellow with narrow median brown stripe, basoflagellomere slightly shorter than scape, alula partly bare, anepisternum only pilose anterodorsally, katepisternum bare, structure of male genitalia. The tarsi may be darker than in holotype. Distribution. Known from Guyana, French Guyana and northern Brazil.Published as part of Reemer, Menno, 2013, Taxonomic exploration of Neotropical Microdontinae (Diptera: Syrphidae) mimicking stingless bees, pp. 1-88 in Zootaxa 3697 (1) on page 55, DOI: 10.11646/zootaxa.3697.1.1, http://zenodo.org/record/28438
Author Co-Citation Analysis (ACA): a powerful tool for representing implicit knowledge of scholar knowledge workers
No full textIn the last decade, knowledge has emerged as one of the most important and valuable organizational assets. Gradually this importance caused to emergence of new discipline entitled ―knowledge management‖. However one of the major challenges of knowledge management is conversion implicit or tacit knowledge to explicit knowledge. Thus Making knowledge visible so that it can be better accessed, discussed, valued or generally managed is a long-standing objective in knowledge management. Accordingly in this paper author co- citation analysis (ACA) will be proposed as an efficient technique of knowledge visualization in academia (Scholar knowledge workers)
Relative (pa,pb,pa,pa−b)-difference sets in p-subgroups of SL(n,K)
No full textAbstractIn this note, we study relative (pa,pb,pa,pa−b)-relative difference sets in certain p-subgroups of SL(n,K), K=Fq, where q is a prime power
Open access self-archiving: An author study
No full textThis, our second author international, cross-disciplinary study on open access had 1296 respondents. Its focus was on self-archiving. Almost half (49%) of the respondent population have self-archived at least one article during the last three years. Use of institutional repositories for this purpose has doubled and usage has increased by almost 60% for subject-based repositories. Self-archiving activity is greatest amongst those who publish the largest number of papers. There is still a substantial proportion of authors unaware of the possibility of providing open access to their work by self-archiving. Of the authors who have not yet self-archived any articles, 71% remain unaware of the option. With 49% of the author population having self-archived in some way, this means that 36% of the total author population (71% of the remaining 51%), has not yet been appraised of this way of providing open access. Authors have frequently expressed reluctance to self-archive because of the perceived time required and possible technical difficulties in carrying out this activity, yet findings here show that only 20% of authors found some degree of difficulty with the first act of depositing an article in a repository, and that this dropped to 9% for subsequent deposits. Another author worry is about infringing agreed copyright agreements with publishers, yet only 10% of authors currently know of the SHERPA/RoMEO list of publisher permissions policies with respect to self-archiving, where clear guidance as to what a publisher permits is provided. Where it is not known if permission is required, however, authors are not seeking it and are self-archiving without it. Communicating their results to peers remains the primary reason for scholars publishing their work; in other words,
researchers publish to have an impact on their field. The vast majority of authors (81%) would willingly comply with a mandate from their employer or research funder to deposit copies of their articles in an institutional or subject-based repository. A further 13% would comply reluctantly; 5% would not comply with such a mandate
A Millimeter-Wave Front-End for FD/FDD Transceivers Featuring an Embedded PA and an N-Path Filter Based Circulator Receiver
No full textThis work presents an ultra-compact single-antenna FD/FDD transceivers front-end. It comprises a nonreciprocal circulator, RX, and an integrated power amplifier (PA). In the proposed circulator, we devise a ring quarter-wave transmission line topology with adjusted characteristic impedances to improve TX-to-antenna insertion loss and TX-to-RX isolation. Besides, an AND-gate switching-based N-path filter is proposed to realize the circulator's nonreciprocal gyrator while acting as a mixer-first RX. Owing to the ultra-compact N-path filter structure, the circulator occupies only 0.38mm 2 core area. Over a 27.1-to-31.1GHz band, the realized front-end offers >20dB TX-to-RX isolation while its measured TX-to-antenna insertion loss is 1.7~2.2dB. The RX path tolerates the PA's blocker signal, achieving 5dBm in-band and 13dBm out-of-band B 1dB. Moreover, the PA delivers 15.15dBm peak output power with 33% drain efficiency. Our front-end prototype occupies only 0.7mm 2 , including circulator, PA, quadrature hybrid coupler LO generators, and baseband circuits.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Electronic
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