133,492 research outputs found
Practitioner research: understanding teaching through inquiry
No full textBook chapter: In The SAGE Handbook of Curriculum, Pedagogy and Assessment. Editors: Wyse D, Hayward L, Pandya J. 154-168. SAGE Publications Limited, London 30 Nov 2015
Caridina kutchi Pandya & Richard 2019, sp. nov.
No full textCaridina kutchi sp. nov. (Figs. 4, 5) Material examined. Gujarat, India. Types: Caridina kutchi sp. nov. Holotype. Jagadiya Dam, Khari River, Kutch, coll. Pandya, 7.9.2014, det. Pandya & Richard, 2015, RRLC /BIO-SH/02, ♂; Paratypes. Jagadiya Dam, Khari River, Kutch, coll. Pandya, 7.9.2014, det. Pandya & Richard, 2015, RRLC /BIO-SH/02, ♂; Bhadra, Khari River, Kutch, coll. Pandya, 7.9.2014, det. Pandya & Richard, 2015, RRLC /BIO-SH/01, 2♀; Ker-vandh, Khari River, coll. Pandya, 7.9.2014, det. Pandya & Richard, 2015, RRLC /BIO-SH/03, 4♂, 2juv.; Khari river catchment, Bhojraj vandh, Gadhshisha, Kutch. coll. Pandya, 7.9.2014, det. Pandya & Richard, 2015, RRLC / Bio-Gadh /07, 2♂, 2♀. Other material examined. Sri Lanka ( Ceylon). Types: Caridina simoni Bouvier, 1904, coll. E. Simon, 1904, Lectotype, designated by Richard & Clark 2014, MNHN Na 856, ♂; Paralectotype MNHN Na 856 ♂; coll. E. Simon, 1904, exch. Paris Museum, 117-97, NHM reg. 1907.1.7.33, 1♀. Nontypes: Sri Lanka. Caridina simoni Bouvier, 1904, irrigation streams, Peradeniya, pres. R. Gurney, NHM reg.1920.2.5.11-13, 4♀; stream running in to Mahawallagunga River, Peradeniya, pres. R. Gurney, NHM reg. 1920.2.5.14-16, 1♂, 1♀ ovig., 1♀, 1 damaged specimen; Keani River, Kekirawa, Colombo, pres. D. R. R. Burt, NHM reg. 1935.5.30.26-27, 4♂, 3♀; Kalaweva, April 1932, pres. D. R. R. Burt, Department of Zoology, University College, NHM reg. 1935.5.30.15-19, 1♂ (abnormal), 4♀ ovig., 2♀; from streams running into Mahawallagunga River, pres. Dr. R. Gurney, det. W.T. Calman, NHM reg. 1947.3.18, 1♀ ovig; pres. Dr. R. Gurney, NHM reg. 1950.1.2.148, dissected parts; irrigation streams, Peradeniya, pres. Dr. R. Gurney, NHM reg. 1951.2. 17.1792/3, 1♂, 1♀; fresh water pond, Botanical Gardens, Perademiya, 17.6.1954, coll. & pres. E.S. Brown, NHM reg. 1954.10.27.1-10, 20♂, 5♀ ovig., 7♀; Ambanganga Anoiont, nr. Polonarraw, 1962, coll. & pres. C. H. Fernandes, NHM reg. 1962.8.24.104, 3♀ ovig., 1♀. India. Hindupur, S. India. coll. P. K. Sartory, pres. Mr. Scourfield, det. J. Richard & P. Cark 2009, NHM reg. 1945.vii.27.5-12, 3♂, 4♀; Madras (Chennai) area, coll. and pres. Dr. Sanjeevaraj, det. I. Gordon, 0 5. 1965. NHM reg. 1965.5.7.1-10, 31♀ ovig. Description. Adult size 15–28 mm. Carapace length 2.2–3.5 mm. Rostrum (Fig. 4a, b, c): Slender, 1.4–1.7×long as carapace, distinctly longer than antennal scale; 12–22 teeth proximally leaving 0.5–0.65 of dorsal margin unarmed distally which is interrupted by a single tooth at distal end; tip pointed and setose dorsally. 1–3 post orbital teeth present. 9–15 teeth proximally leaving 0.1–0.2 of ventral margin unarmed distally. Formula (1–3) 12–22+1/9–15. Carapace (Fig. 4a, c): Antennal spine well developed. Pterygostomian angle rounded without a spine. Mouth parts: Mandibles asymmetrical without palp. Incisor process of mandibles ending in irregular teeth, molar process truncated. Maxillula with broadly truncated lower lacinia and elongated upper lacinia bearing distinct teeth on inner margin; palp slender. Upper endites of maxilla subdivided, palp elongated, scaphognathite with long narrow posterior lobe bearing tuft of setae at truncated tip. Palp of first maxilliped rounded ending in a finger like projection. Endopod of second maxilliped with ultimate segment fused to penultimate segment; exopod longer than endopod. Third maxilliped reaching the end of second segment of antennular peduncle. Exopod reaching 2 nd segment of endopod. Epipod present. Antennular peduncle (Fig. 4a, b, c): 0.8–0.9×carapace. Stylocerite 0.6–0.75×length of basal segment. Anterolateral teeth of basal segment 0.19–0.23×second segment. 10–25 segments bearing aesthetascs. First pereiopod (Fig. 5a): Dactylus 1.3–1.4×palm of propodus. Chela 3.2–3.7×long as broad. Carpus 1.7– 2.3×long as broad, with anterior excavation. Second pereiopod (Fig. 5b): Dactylus 1.5–1.9×long as palm of propodus. Chela 2.7–3.7×long as broad. Carpus 4.9–6.4×long as broad. Third pereiopod (Fig. 5c, d): Dactylus 3.0–3.7×long as broad. 7–12 marginal spines on dactylus. Propodus 4.1–5.0×long as dactylus and 10.0–12.5×long as broad with 10–14 spines along inner margin. Carpus 0.45– 0.55×long as propodus, with 1 large spine and 3–5minute spines on inner margin. Merus 1.6–2.0×carpus length. Merus with 3 large spines on posterior margin. Ischium with a spine. Fifth pereiopod (Fig. 5e, f): Dactylus3.9–5.0×long as broad with 40–50 marginal spines. Propodus 12–16×long as broad and 3.7–4.2×long as dactylus and with 10–15 spines along posterior margin. Carpus 0.4 5–0.6×propodus length and with 4–5 minute spines along inner margin. Merus 1.5–1.9×carpus length, with 2 large spines at posterior margin. Ischium with a spine. Epipod: present on 1–4 pereiopods; absent on fifth pereiopod. Setobranchs: 1 seta on all pereiopods. First male pleopod (Fig. 5g, h): Endopod 0.25–0.35×exopod, appendix interna absent. First female pleopod: Endopod 0.5–65×exopod. Second male pleopod (Fig. 5i, j): Appendix masculina 1.4–1.7×appendix interna and 0.25–0.3×endopod. 6th abdominal somite (Fig. 4a): 0.57–0.86×long as carapace. Telson (Fig. 4a, 5k, l): Narrow and tapering, 1.0–1.1×long as 6th abdominal somite. Dorsal spines 4–6 pairs (including subterminal spine). Posterior margin narrow and triangular, with a median projection, bearing 1 pair of long lateral spines and 2–3 pairs of sparsely plumose spines of equal length and shorter than laterals. Uropod (Fig. 5m): 8–12 diaeresis spinules. Preanal carina (Fig. 5n): armed with a spine. Colouration. Freshly collected specimens were light greenish transparent in colour. Type locality. Jagadiya Dam, River Khari, Kutch District (also spelt as Kachchh) Gujarat, India. Etymology. The species is named for Kutch District, Gujarat, from where the specimens were collected. Remarks. Caridina kutchi sp. nov. is distinguished by long, slender rostrum that is distinctly longer than antennal scale, the unarmed dorsal margin interrupted by a single tooth distally; pointed tip of rostrum with fine setae on the dorsal margin; telson posterior margin narrow and triangular with a median projection bearing intermediate spines of equal length that are distinctly shorter than the laterals. Caridina kutchi sp. nov. is similar to Caridina simoni Bouvier, 1904 which was described from Sri Lanka and now reported from South India (Richard and Clark 2014) in the structure of rostrum with pointed tip and the distal unarmed rostral margin interrupted by a single tooth distally. However, C. kutchi sp. nov. distinctly differs from C. simoni in telson structure. C. kutchi sp. nov. could be distinguished from C. simoni in having rostrum that is distinctly longer than antennal scale (vs. equal to or slightly longer than antennal scale in C. simoni); unarmed dorsal rostral margin interrupted by a single tooth distally (vs. unarmed dorsal rostral margin interrupted by 0–4 teeth in C. simoni); posterior margin of telson narrow and triangular with a median projection (vs. posterior margin of telson broad and rounded without a median projection in C. simoni); telson posterior margin bearing 2–3pairs of sparsely plumose intermediate spines of equal length and distinctly shorter than laterals spine (vs. 3–4 pairs of sparsely plumose intermediate spines either equal in length and slightly shorter than the laterals or the median pair longer and equal to laterals in C. simoni); preanal carina armed with a spine (vs. preanal carina unarmed in C. simoni). Caridina kutchi sp. nov. differs from C. babaulti, which is now reported from Gujarat, in possessing rostrum that is distinctly longer than antennal scale (vs. rostrum equal to antennular peduncle or shorter reaching middle of 3 rd antennular peduncle segment in C. babaulti); 12–22 teeth proximally leaving 0.5–0.65 of dorsal margin unarmed distally which is interrupted by a single tooth at distal end (vs. 14–25teeth proximally leaving 0.1–0.23 of dorsal margin unarmed distally in C. babaulti); 1–3 post orbital teeth present (vs. 3–7 postorbital teeth present in C. babaulti); 9–15 teeth proximally leaving 0.1–0.2 of ventral margin unarmed distally (vs. 3–8 teeth proximally leaving 0.1–0.45 of ventral margin unarmed distally in C. babaulti); carpus of first pereiopod with anterior excavation (vs. carpus of first pereiopod with deep anterior excavation in C. babaulti); telson posterior margin narrow and triangular, with a median projection (vs. telson posterior margin broad and rounded, with or without median protrusion in C. babaulti); 2–3 pairs of sparsely plumose intermediate spines of equal length and distinctly shorter than laterals (vs. 2–4 pairs or 5 sparsely plumose intermediate spines of varying length; fractionally longer or shorter than the lateral spines in C. babaulti); 8–12 uropod diaeresis spinules (vs. 12–21 uropod diaeresis spinules in C. babaulti); preanal carina armed with a spine (vs. preanal carina unarmed in C. babaulti). Caridina kutchi sp. nov. is the first Caridna species to be described from Kutch district, Gujarat state, which is known for its complex geological set up.Published as part of Pandya, Pranav J. & Richard, Jasmine, 2019, Report of Caridina babaulti Bouvier, 1918 (Crustacea: Decapoda: Caridea: Atyidae) and description of a new species Caridina kutchi sp. nov. from Gujarat, India, pp. 470-482 in Zootaxa 4568 (3) on pages 477-480, DOI: 10.11646/zootaxa.4568.3.3, http://zenodo.org/record/260166
Rumination Moderates the Association Between Resting High-Frequency Heart Rate Variability and Perceived Ethnic Discrimination
No full textWilliams, D. P., Pandya, K. D., Hill, L. K., Kemp, A. H., Way, B. M., Thayer, J., & Koenig, J. (2017). Rumination Moderates the Association between Resting High-Frequency Heart Rate Variability and Perceived Ethnic Discrimination. Journal of Psychophysiology, 1–10. http://doi.org/10.1027/0269-8803/a00020
Supplementary movies for "A unified model for the co-evolution of galaxies and their circumgalactic medium: the relative roles of turbulence and atomic cooling physics"
No full text================================================================================
Title: A unified model for the co-evolution of galaxies and their
circumgalactic medium: the relative roles of turbulence and
atomic cooling physics
Authors: Pandya V., Fielding D.B., Bryan G.L., Carr C., Somerville R.S.,
Stern J., Faucher-Giguere C.-L., Hafen Z., Angles-Alcazar D., Forbes J.C.
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Description of contents: This Dataverse deposit includes supplementary movies for various simulated dark matter halos as described in the accepted version of the article listed above. The movies show the time evolution of the equilibrium temperature and turbulent velocity for the circumgalactic medium based on a novel semi-analytic model.
A list of the individual files and halos are given
below.
Halo Animation Description
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m10q supplementary_animation_m10q.mp4 ultrafaint dwarf, Mvir~10+10Msun
m10y supplementary_animation_m10y.mp4 ultrafaint dwarf, Mvir~10+10Msun
m10z supplementary_animation_m10z.mp4 ultrafaint dwarf, Mvir~10+10Msun
m11a supplementary_animation_m11a.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m11c supplementary_animation_m11c.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m11b supplementary_animation_m11b.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m11f supplementary_animation_m11f.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m11q supplementary_animation_m11q.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m11v supplementary_animation_m11v.mp4 intermediate-mass dwarf, Mvir~10+11 Msun
m12f supplementary_animation_m12f.mp4 MW-mass halo, Mvir~10+12 Msun
m12i supplementary_animation_m12i.mp4 MW-mass halo, Mvir~10+12 Msun
m12m supplementary_animation_m12m.mp4 MW-mass halo, Mvir~10+12 Msun; also shown in the accepted article as Figure 14)
System requirements: These are all standard H.264 encoded, MP4 animations.
Additional comments: The movies were created based on a semi-analytic model that treats the co-evolution of galaxies and their circumgalactic medium. The panels and main takeaways of the movies are described in the caption of Figure 14 from the article referenced above.
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Decay Bc+→D(s)(*)+l+l− within covariant confined quark model
No full textWe study the rare semileptonic decays of Bc mesons within the effective field theoretical framework of covariant confined quark model. The transition form factors corresponding to Bc+→D(∗)+ and Bc+→Ds(∗)+ are computed in the entire q2 range. Using form factors, we compute the branching fractions and compare them with the available theoretical results. We also compute various physical observables such as forward-backward asymmetry, longitudinal and transverse polarizations, as well as clean angular observables
MeSH term explosion and author rank improve expert recommendations
No full textInformation overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
"Closing the R&D Gap, Evaluating the Sources of R&D Spending"
No full textBoth spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.
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