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Geloemyia cheni Kim, Han & Korneyev 2015, sp. n.
No full textGeloemyia cheni Kim, Han & Korneyev, sp. n. (fig. 7, 15, 20, 23–28) nigrofasciata: Chen, 1947: 55; Shi, 1996: 577; Kim, Han, 2001: 281 (Parageloemyia) (misidentification). Material. Type. Holotype ♀: Korea: Gangwon-do, Wonju-si, Heungeob-myeon, Mt. Deoggasan, black & mercury vapor light trap, 16.06.1997 (H.-W. Byun) (YSUW). Paratypes: Korea: 2 ♀, labels as in the holotype (NHMG); 1 ♂, 1 ♀: Gangweon-do, Weonju-si, Maeji-ri, Yonsei Univ. campus, black+ mercury vapor light trap, 12.06.2000 (S.-K. Kim); 1 ♀: Gyeongsandam-do, Geoje-si, Dongbu-myeon, Mt. Noja, mercury light trap, 4.06.1997, 70 % EtOH to chloroform (D. S. Gu); 1 ♀: Seoul, Jung-gu, Mt. Hamsan, Seoul tower, 3.06.2001 (H.-W. Byun) (SIZK); other specimens listed by Kim & Han (2001) as “ Parageloemyia nigrofasciata ” are also paratypes. D i a g n o s i s. This species can be readily distinguished from other species of the genus Geloemyia by the following combination of characters: 1 or, face with epistome 0.3× as high as antennal grooves, the latter entirely fused, vein R 4+5 setulose, female fore tarsus with tarsomeres 4 and 5 widened in female; mid femur with femoral organ in female. D e s c r i p t i o n (partly modified from Kim, Han, 2001). Body brownish yellow, with reddish yellow to reddish-brown pattern; setae and setulae black; mesonotum length 1.95– 2.55 mm, wing length 5.6–7.6 mm. Head (fig. 26) reddish yellow, length: height: width ratio = 1: 1.2: 1.3; frons reddish yellow to reddish brown with sparse fine setulae, anteriormost setulae half as long as orbital setae; frons 1.4× as long as wide, 0.36–0.45× as wide as head, gena 0.55–0.63× as high as eye in male and 0.36–0.52× in female; medial vertical seta 1.1–1.4× as long as horizontal diameter of eye; outer vertical seta 0.55–0.65× as long as medial vertical seta in male, 0.47–0.51× in female; postocellar seta 0.37–0.51× as long as medial vertical seta; ocellar seta 0.23–0.43× as long as medial vertical seta; 1 orbital seta: frontal setae absent; antenna yellow to reddish yellow; flagellomere 1 oval, brownish yellow to reddish yellow microtrichose, apically rounded, 1.5× as long as wide, 0.86–1.0× as long as pedicel; first flagellomere; arista short pubescent; eye elliptic 0.63–0.70× as long as high; face pale yellow to reddish yellow; antennal grooves deeply concave, without median carina, 0.74–0.84× as high as face; epistome low, 0.15–0.25× as high as face; gena and postgena reddish yellow; occiput reddish yellow to brownish yellow with short supracervical setae, 1 long postocular seta; all setulae at anterior margin of postgena subequal; mouthparts pale yellow, labellum with yellowish brown setulae, prementum yellow with 2 moderately short setae at each side; palp yellow to reddish yellow, wide and moderately long, 2× as long as wide and almost as wide as flagellomere 1. Thorax (fig. 21, 31, 32) reddish yellow to brownish yellow with brown to reddishbrown pattern; postpronotal lobe pale yellow to brownish yellow with 1 seta and 4–8 setulae; scutum with 1 presutural supra-alar, 1 scapular seta (scap), 3 postsutural dc, and 1 prst ac seta, and also 1 postsutural supra-alar, 1 intra-alar, 1 postalar and 2 notopleural setae; round dark brown spot ventral of postsutural supra-alar seta; mesonotum with brown or reddish brown lyrate pattern at incertions of dorso-ventral muscles; scutellum pale yellow to brownish yellow, bare; apical scutellar seta 1.8–2.9×, basal scutellar seta 1.6–2.5× as long as scutellum; pleura (fig. 23, 32; Kim, Han, 2001: Fig. 14G) pale yellow to reddish yellow; proepisternum with 2–7 setae; 1 anepisternal seta and 2–4 long setulae and relatively short setulae in posterior part of anepisternum; 1 katepisternal, 1 anepimeral seta; katepimeron pale yellow to reddish yellow; mediotergite brown. Legs (fig. 23, 24) pale yellow to brownish yellow; fore coxa as on fig. 33; fore trochanter unmodified, with 3 fine setulae; fore femur brownish yellow with erect setulae, posterodorsally with 3 dorsal setae, postero-ventrally with 4–6 setae shorter than postero-dorsal ones; female fore tarsus modified: tarsomeres 3–5 in female modified: tarsomere 3 wide, 1.5× as wide as tarsomere 2; tarsomere 4 enlarged and asymmetrical, anterior half flattened, short and sparsely setulose on dorsal surface, tarsomere 5 smaller than tarsomere 4, with 6–7 long setulae on anterior margin longer than claws; male fore tarsus unmodified; mid coxa and trochanter unmodified, as on fig. 34; mid femur with short dense setulae, anterodorsally in medial part with large oval femoral organ, almost half as long as femur, and not concave; hind femur with 2–5 apicodorsal setae and long antero-ventral setulae. Wing of female hyaline with extensive brown banded pattern (fig. 27; Kim, Han, 2001: Fig. 14G); wing bands broader and darker in males; humeral break present, subcostal break almost inconspicuous; Sc incomplete at C; cells bm and cu p covered with microtrichia; vein R 4+5 setulose dorsally; halter yellow. Wing of male with wide crossbands, similarly to those in G. nigrofasciata holotype (as on fig. 73), but differing in subapical crossband often broken on vein M. Male abdomen (Kim, Han, 2001: Figs 14C, D) yellowish brown, densely setulose, laterally long setulose; syntergite 1+2 1.8× as long as tergites 3–4 combined; tergite 5 0.64– 0.7× as long as syntergite 1+2; sternites 3–4 subquadrate. Female abdomen (figs 35–37) reddish yellow to brownish yellow; syntergite 1+2 1.54– 2.35× as long as tergites 3–6 combined; tergites 5–6 short, sometimes hidden in dorsal view; sternites 1+2 and 6 trapezoid, sternites 3–5 subrectangular. Male genitalia (Kim, Han, 2001: Figs 15 E-H): epandrium dorsally bare, with few laterodorsal setulae; cerci with relatively short sparse setulae; surstylus distinctly protruding postero-ventrally. Female terminalia: oviscape tapering towards apex (Kim, Han, 2001: Fig. 15A) brownish yellow, in apical one-fifth or one-sixth dark brown, with pair of ventrolateral rows of 5–6 slightly thickened and elongated setulae, laterally and dorsally with suberect, unmodified setulae; 1.59–2× as long as preabdominal tergites combined and 1.05–1.1 times as long as thorax; apex black with 3–4 pairs fairly long and stout setae ventrally (fig. 37); aculeus barbed, with conspicuous subapical constriction (Kim, Han, 2001: Fig. 15B); 3 smooth oval spermathecae (Kim, Han, 2001: Fig. 15C); egg (Kim, Han, 2001: Fig. 15D) oblanceolate in outline. Wing length ♂: 5.8, ♀ 6.4 –6.8 R e m a r k s. As was noted by Hering (1940) and then by Korneyev (2004), Hendel confused the figures of G. quadriseta and G. nigropunctata wings that was resulted in further misidentifications. A female from “Kirin: Kao-lin-tze, 20.VII.1940 … in Museum Heude” identified by Chen (1947: 55) as “ Parageloemyia nigrofasciata ” and depicted (Chen, 1947: Figs 8, 10) clearly belongs here.Published as part of Korneyev, V. A., 2015, Review Of The Genus Geloemyia (Diptera, Pyrgotidae), With Discussion Of Its Taxonomic Position, pp. 497-518 in Vestnik Zoologii 49 (6) on pages 502-505, DOI: 10.1515/vzoo-2015-0061, http://zenodo.org/record/645269
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
PWR 에서의 제어봉의 반응도가
No full text학위논문(석사) - 한국과학기술원 : 핵공학과, 1990.2, [ viii, 59 p. ]In nuclear reactors, control rods are very important in controlling core reactivity. Thus, in this paper, it is proposed for an analytic method to calculate the control rod worth in a cylindrical geometry with control rods formed by two rings. For multi-ring problems, existing methods assume that irregular solutions due to the control rod are not depend on angle over the control rod. But this method gives an exact solution because the angular dependency over the control rod is not neglected. And more natural boundary condition for a control rod is used. This method gives n x n matrix equation. As n approaches to infinite, an exact solution can be obtained. But this is impossible, so we restricted numerical results up to first order. In order to obtain the numerical results, a Fortran program is developed. The mumerical results for the Zeroth and First Order Approximations will be shown. Finally, the control rod worth for the control banks of Kori Unit 5 will be obtained and discussed.한국과학기술원 : 핵공학과
Synthesis and characterizations of amorphous carbon nanotubes/cadmium selenide quantum dots hybrid materials / Tan Kim Han
Get PDFCarbon nanotubes (CNTs) have attracted great attention. Most of the works being
conducted in the past mainly focus on the crystalline CNTs. In this work, amorphous
CNTs (α-CNTs) were synthesized successfully via a simple chemical technique at
230 °C in a short period of time. Surface morphological studies revealed that the asprepared
nanotubes present in straight tubular structures with open ends, having certain
dimensions (80 - 110 nm for outer diameter; 45 - 65 nm for inner diameter; 8 - 10 μm
for length). Both structural and elemental studies confirmed that the nanotubes were
made of amorphous carbon. Acidic purification and oxidation treatment caused the
surface of nanotubes rougher and introduced defects in their structures. Oxidation also
increased dispersion stability of nanotubes in deionised water and ensured the
successful hybridization between the α-CNTs and cadmium selenide (CdSe) quantum
dots (QDs). The α-CNTs displayed π plasmon absorbance phenomenon in ultravioletvisible
absorption spectra and had high band gap of 4.65 eV. The hybrid material
exhibited size quantization effect due to the attachment of CdSe QDs on the nanotubes
surfaces, giving the least band gap of 3 eV among the other samples. The presence of
two identical bands (D and G bands) in Raman spectra deduced that both the oxidation
and hybridization reduced crystallinity of the nanotubes substantially and confirmed the
existence of defective walls of the nanotubes that were composed of disordered carbon.
The α-CNTs exhibited lower permittivity in frequency range of 500MHz - 4.5 GHz due
to quantum size effects. However, the oxidation increased the permittivity of the α-
CNTs via chemical functionalization. Highest permittivity was found in the hybrid
material and it was the most thermally stable sample compared to others
Fabrication and optical behaviour of nanocomposites from electrodeposited au nanoparticles in polymer microcavities / Tan Kim Han
No full textMetal composites and artificial electromagnetic materials might have unusual electromagnetic properties including negative refractive index, highly effective permittivity and permeability values that could be tuned by controlling meta-atoms arrangement, the smallest resonant unit cells in these materials. In this work, a composite of gold nanoparticles (Au NPs) deposited within the polymeric arrays of fringes was demonstrated. The fabrication procedure was suggested by exploiting distinct electromagnetic properties between the ordered polymer molecules and different sizes of Au NPs. The synthesized Au NPs were electrodeposited in the well-ordered square microcavities of positive photoresist (PR) that were formed under electrophoretic deposition (EPD) at 30 DV for 120 sec. The surface plasmon resonance (SPR) of Au NPs and the flexibility of the photoresist (PR) polymer serving as a dielectric made them be used in preparing metal-dielectric nanocomposites. The cavities were constructed from UV-patterning of the PR that was spin-coated on indium tin oxide (ITO) substrate with the assist of copper grids as a photomask. The optical constants become smaller which the highest gain (real permittivity) with the lowest losses (imaginary permittivity) were obtained due to the well-ordered cavities containing the Au NPs. By depositing the Au NPs with different sizes in a relatively ordered manner within the polymeric material, the optical constants and electromagnetic properties of the thin film could be tuned accordingly to suit in applications such as superlens (subwavelength imaging), flat panel displays, optical sensing, and absorbing media
코브라 코드 열전달 패키지의 트랙 코드로의 이식에 관한 연구
No full text학위논문(석사) - 한국과학기술원 : 원자력공학과, 2000.2, [ vii, 56 p. ]The simplified TRAC-PF1 code is modified by replacing the heat transfer package of TRAC-PF1 with that of COBRA-TF. In the heat transfer package of COBRA-TF, the critical heat flux is estimated using Griffith``s modification of the Zuber equation or the Biasi correlation according to the mass flux. COBRA-TF has a strong point in calculating the post-CHF phenomena because it uses droplet information acquired from the field equation. In this heat transfer regime, it uses the correlation of dispersed flow film boiling (DFFB) or inverted annular film boiling (IAFB) according to the void fraction.
The validation of the modified code is performed using the experimental data of Lehigh University. The wall temperature and the vapor temperature profile through the whole heat transfer regime are acquired using both the revised code and TRAC-PF1. The predictions of the wall temperature and the vapor temperature are in better agreement with the experimental data than those by TRAC-PF1. It turns out that the droplets play a very essential role in governing post-CHF heat transfer.한국과학기술원 : 원자력공학과
고용체의 열역학적 성질 및 결함구조에 관한 연구
No full text학위논문(박사) - 한국과학기술원 : 원자력공학과, 1995.2, [ vii, 109 p. ]The oxygen potentials have been measured by means of a thermogravimetric method in the range of and atmosphere for pure , and U_{1-y}Er_yO_{2\pmx} solid solutions with y=0.02, y=0.06 and y=0.20, respectively. Their oxygen partial pressures were maintained by controlling /CO mixture atmosphere, and the values corresponding to x of solid solutions were measured with an electrolyte oxygen sensor. The lattice parameter of the stoichiometric was also determined with use of X-ray diffraction data in the range of y=0.01 to y=0.33. The lattice parameter decreases linearly with an increase in the erbium content. The change of the lattice parameter can be expressed in a linear equation of y as a(\mbox{\AA})=5.4695-0.220y for . The has been found to undergo abrupt increase in the range of -270 to -360 kJ/mole for y=0.06 and -220 to -320 kJ/mole for y=0.20, respectively, in the temperature range of . The differences in between the values at O/(U+Er)=1.999 and 2.001 decrease with increasing temperature. The values as a function of temperature for the stoichiometric composition are expressed by (kJ/mole) = -423.43 + 0.089T for and (kJ/mole) = -422.00 + 0.125T for . increases with erbium content, but the effect of the dopant for x=0.01 is less significant than that for stoichiometry. Both and for showed higher values as increasing y, and sharp maxima at the O/M ratio of approximately 2.005, irrespective of erbium content. The oxygen potentials for and can be approximately r...한국과학기술원 : 원자력공학과
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