2,099 research outputs found
Dynamics Simulation of Remotely Operated Vehicle-Fiber Optic Micro Cable System
No full textLi Q, Xu H, Zhang Q, Wang X, Li ZG. Dynamics Simulation of Remotely Operated Vehicle-Fiber Optic Micro Cable System. Presented at the WCICA2008, Chongqing, China
Magnetic quantum oscillations for the surface states of topological insulator Bi2Se3
No full textWe study quantum oscillations of the magnetization in Bi2Se3 (111) surface system in the presence of a perpendicular magnetic field. The combined spin-chiral Dirac cone and Landau quantization produce profound effects on the magnetization properties that are fundamentally different from those in the conventional semiconductor two-dimensional electron gas. In particular, we show that the oscillating center in the magnetization chooses to pick up positive or negative values depending on whether the zero-mode Landau level is occupied or empty. An intuitive analysis of these features is given and the subsequent effects on the magnetic susceptibility and Hall conductance are also discussed
Superfluidity and effective mass of magnetoexcitons in topological insulator bilayers: Effect of inter-Landau-level Coulomb interaction
No full textThe effective mass and superfluidity-normal phase transition temperature of magnetoexcitons in topological insulator bilayers are theoretically investigated. The intra-Landau-level Coulomb interaction is treated perturbatively, from which the effective magnetoexciton mass is analytically discussed. The inclusion of inter-Landau-level Coulomb interaction by more exact numerical diagonalization of the Hamiltonian brings out important modifications to magnetoexciton properties, which are specially characterized by prominent reduction in the magnetoexciton effective mass and promotion in the superfluidity-normal phase transition temperature at a wide range of external parameters
Orbital magnetization of the electron gas on a two-dimensional kagom, lattice under a perpendicular magnetic field
No full textQuasiparticle states and quantum interference induced by magnetic impurities on a two-dimensional topological superconductor
No full textPromalactis tricuspidata Wang et Li 2004
No full textPromalactis tricuspidata Wang et Li, 2004 (Figs 48, 49) Promalactis tricuspidata Wang et Li, 2004: 2. Material examined. Zhejiang: 1♂, Mt. Longtang, Qingliangfeng, 500 m, 21. V.2012, leg. LL Yang & ZG Zhang, slide No. DZH12229; 19♂, 13♀, Lao’an, Mt. Tianmu, 555 m, 16–19.VIII.2014, leg. AH Yin et al., slide Nos. HXM14193 ♂, HXM14211 ♀, LC19447 ♀; 1♂, 4♀, Jiufu Village, Mt. Jiulong, 520 m, 27–30.VIII.2014, leg. AH Yin et al., slide No. LC19449; 1♀, Laofoyan Village, Xianxialing, Jiangshan City, 465 m, 11.VIII.2018, leg. S Yu et al., slide No. JYY17977; Henan: 2♂, Baligou, Hui County, 780 m, 12.VII.2012, leg. XP Wang, slide No. DZH11015; Hainan: 1♂, Wuzhishan Nature Reserves, 742 m, 18. V.2015, leg. PX Cong et al., slide No. HS15212; 1♂, Bawangling Nature Reserves, 161 m, 12.III.2016, leg. QY Wang et al., slide No. JYY17759. Description. Female wingspan 8.0–11.0 mm. Female genitalia (Fig. 48). Apophyses anteriores slightly longer than half length of apophyses posteriores. Eighth tergite rectangular, with setae on posterior margin; eighth sternum obtusely rounded and setose on posterior margin. Ostium bursae elongate, margined with narrow erect plate except open on posterior margin, rounded on anterior margin. Seventh sternum narrowly banded, concave in middle on posterior margin, extended posterolaterally. Antrum longer than half length of ductus bursae, widened posteriorly, parallel anteriorly, heavily sclerotized laterally, with a sclerotized ring at about anterior 1/4, with a short serrate sclerite below left side of this ring. Ductus bursae membranous, dilated posteriorly, narrowed anteriorly, coiled once, longitudinally wrinkled throughout, posteriorly with a cluster of approximately 15 heavy spines all inserted into a single plate and directed leftward. Corpus bursae membranous, ovoid, less than half length of ductus bursae; signum absent. Remarks (Fig. 49). The originally published female of P. tricuspidata was associated with a male collected from the same locality in the same month. However, COI analysis showed them to be mismatched, the female belonging to P. dilatignatha Wang et Li, 2004. Distribution. China (Hainan, Henan, Jiangxi, Zhejiang), Vietnam.Published as part of Wang, Shuxia & Liu, Chen, 2020, Taxonomic study of the genus Promalactis Meyrick, 1908 (Lepidoptera: Oecophoridae) IX. The maculosa species-group, with descriptions of eighteen new species, pp. 38-66 in Zootaxa 4890 (1) on page 62, DOI: 10.11646/zootaxa.4890.1.2, http://zenodo.org/record/430154
Lista longifundamena Wang, Chen & Wu 2017
No full textLista longifundamena Wang, Chen & Wu, 2017 (Figs 13, 28) Lista longifundamena Wang, Chen & Wu, 2017: 105. TL: China (Hainan). Material examined. CHINA, Fujian Province: 1 ♀, Yunshan, Mt. Meihua, 19.IV.2014, coll. XF Yang, slide No. RH 15162; Hainan Province: 1 ♂, 1 ♀, Jianfengling Nature Reserves, Ledong, 770 m, 14–15.VII.2014, coll. PX Cong et al., slide Nos. RH 15155 ♂, RH15156 ♀; 1 ♂, Tianchi, Jianfengling, 787 m, 12.VII.2015, coll. QY Wang et al.; 2 ♀, Limushan Forest Park, 607 m, 15–18.VII.2016, coll. X Bai et al., slide No. RH 16163; 1 ♀, Wuzhishan Nature Reserves, 738 m, 2.XI.2016, coll. X Bai et al.; Yunnan Province: 1 ♀, Taiyanghe Nature Reserves, 1450 m, 19.VIII.2014, coll. ZG Zhang, slide No. RH 15378. Adult (Fig. 13) wingspan 25.0–27.0 mm. Diagnosis. This species is characterized by the sub-quadrate uncus with two weakly sclerotized lateral processes, distal process of the gnathos with four small spines at apex, inner dorsal process of the sacculus more than 5 times as long as the outer one, and juxta with long needle-shaped lateral lobes (Fig. 28). It is similar to L. gilvasa Wang, Chen & Wu, 2017 in the male genitalia, and differences between them are stated under the latter species. Distribution. China (Fujian, Hainan, Yunnan).Published as part of Rong, Hua, Wang, Yiping, Qi, Mujie & Li, Houhun, 2021, Taxonomic review of the genus Lista Walker, 1859 from China (Lepidoptera, Pyralidae, Epipaschiinae), with descriptions of five new species, pp. 237-262 in Zootaxa 5081 (2) on pages 253-254, DOI: 10.11646/zootaxa.5081.2.4, http://zenodo.org/record/577173
Specificity and definiteness in sentence and discourse structure
No full textIn this paper, I argue that this informally given list of characteristics covers only a certain subclass of specific indefinites. […] In particular, I dispute the definition of specific indefinites as "the speaker has the referent in mind" as rather confusing if one is working with a semantic theory. Furthermore, I discuss "relative specificity", it. cases in which the specific indefinite does not exhibit wide, but intermediate or narrow scope behavior. Based on such data, I argue that specificity expresses a referential dependency between introduced discourse items. Informally speaking, the specificity of the indefinite expression something [...] expresses that the reference of the expression depends on the reference of another expression, here, on the expression a monk, not the speaker
Autosticha furcillata S. Wang 2021, sp. nov.
No full textAutosticha furcillata S. Wang, sp. nov. (Figs 15, 40, 41) urn:lsid:zoobank.org:act: B8F10A15-AD8C-4B42-A5E7-C9942B4F381E Type material. CHINA, Yunnan: Holotype ♂, Taiyanghe (22.79ºN, 100.99ºE), 1450 m, 17.V.2014, leg. ZG Zhang, slide No. WYQ16535. Paratypes: 1♀, 3.VI.2014, other same data as holotype, slide No. WYQ16536; 1♂, Taiyanghe, 7.VI.2015, leg. ZG Zhang, slide No. JYY17060; 1♂, Qinlangdang, Mt. Gaoligong, Nujiang County, 380 m, 29.V.2017, leg. KJ Teng et al., slide No. TZL19342. Diagnosis. The new species can be distinguished from its congeners in male genitalia by the valva with the costal part bifurcate distally; in female genitalia by one spike-like signum with dense teeth and another semicircular signum with a heavily sclerotized, marginally toothed triangular process on each side. Description. Adult (Fig. 15). Forewing length 6.6–6.9 mm. Head yellow, laterally mixed with pale brown scales. Antenna yellow on ventral surface; scape dark brown, flagellum alternated with dark brown on dorsal surface. Labial palpus yellow; second palpomere with dense dark brown scales, third palpomere dark brown basally. Thorax and tegula pale yellow, tegula dark brown at base. Forewing ground color yellow, with scattered yellowish brown scales; costal margin dark brown along basal 1/4, orange yellow from basal 1/4 to before apex, with a large semicircular black spot from between middle and distal 1/4 extending to discocellular spot; discal, discocellular and plical spots black, discocellular spot largest; tornal spot dark brown, diffused; dorsum with a black spot near base; terminal dots dark brown, ranging along distal 1/5 of costal margin and termen; fringe yellow, mixed with dark brown. Hindwing and fringe brown. Fore- and midlegs yellow on ventral surface, dark brown on dorsal surface; hindleg with femur white on ventral surface, dark brown on dorsal surface, tibia and tarsus pale yellow, with dark brown scales on outer surface. Male genitalia (Fig. 40). Uncus clavate, wide at base, narrowly rounded at apex. Gnathos narrowly banded, circular; mesial plate indistinct. Tegumen semicircular posteriorly; lateral arm slender. Valva uniformly wide in basal 2/5, with a sub-rectangular ventral plate finely spinous along dorsal margin; distal 2/5 bifurcate: costal part narrower, arched, bilobed apically: dorsal lobe wide, obtuse apically, ventral lobe spine-shaped; ventral part wide at base, narrowed to pointed apex, as long as costal part. Sacculus narrow, concave at middle, with a setose papillary process apically. Saccus about 3/4 length of uncus, clubbed. Aedeagus about 1/2 length of valva, straight, tapered to rounded apex; cornuti consisting of a row of spines running from distal 3/5 to preapex, and a large spine at preapex and at apex respectively (Fig. 40a). Female genitalia (Fig. 41). Apophyses posteriores about twice length of apophyses anteriores. Eighth tergum straight on posterior margin, eighth sternum arched on posterior margin, concave in small V shape medially. Ductus bursae uniform posteriorly, widened toward corpus bursae anteriorly, sclerotized on ventral surface, membranous on dorsal surface; ductus seminalis arising from middle of ductus bursae. Corpus bursae ovoid, about same length as ductus bursae; two signa placed at poterior 1/3: one elongate triangular, spikelike, with dense spines, the other semicircular, with a heavily sclerotized, marginally toothed triangular process at each side. Distribution. China (Yunnan). Etymology. The specific epithet of the new species is derived from the Latin furcillatus, referring to the bifurcate apex of the costal part of the valva.Published as part of Tao, Zhulin, Wang, Yuqi & Wang, Shuxia, 2021, Taxonomy of the genus Autosticha Meyrick (Lepidoptera: Autostichidae) in China Descriptions of fifteen new species, pp. 347-370 in Zootaxa 5048 (3) on pages 367-368, DOI: 10.11646/zootaxa.5048.3.3, http://zenodo.org/record/555640
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