نتایج جستجو برای: double comb
تعداد نتایج: 248633 فیلتر نتایج به سال:
Two new genera of Riodinidae (Insecta: Lepidoptera) are described, Neoapodemia Trujano-Ortega, gen. n. (Neoapodemia nais (W. H. Edwards, 1876), comb. n., N. chisosensis Freeman, 1964, comb. n.) and Plesioarida Trujano-Ortega & García-Vázquez, gen. n. (Plesioarida palmerii palmerii (W. H. Edwards, 1870), comb. n., P. palmerii arizona (Austin, [1989]), comb. n., P. palmerii australis (Austin, [19...
Cercosporoid fungi (former Cercospora s. lat.) represent one of the largest groups of hyphomycetes belonging to the Mycosphaerellaceae (Ascomycota). They include asexual morphs, asexual holomorphs or species with mycosphaerella-like sexual morphs. Most of them are leaf-spotting plant pathogens with special phytopathological relevance. The only monograph of Cercospora s. lat., published by Chupp...
The current research status of the genus Promalactis Meyrick, 1908 is introduced, and a list of 243 species of this genus are provided based on a worldwide study. Two new synonyms are proposed: P. albipars Kim et Park, 2012 syn. nov. (= P. longiuncata Wang, Kendrick et Sterling, 2009), and P. akaganea Fujisawa, 2002 syn. nov. (= P. albipunctata Park et Park, 1998); four new combinations are est...
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A 12.5 GHz-spaced optical frequency comb locked to a global positioning system disciplined oscillator for near-infrared (IR) spectrograph calibration is presented. The comb is generated via filtering a 250 MHz-spaced comb. Subsequent nonlinear broadening of the 12.5 GHz comb extends the wavelength range to cover 1380-1820 nm, providing complete coverage over the H-band transmission window of ea...
In this paper, the Palearctic genus Dimorphaphorura Bagnall, 1949 (Collembola: Onychiuridae), is revised. The diagnosis of the genus is defined within the tribe Oligaphorurini based on the development of the furcal area, shape of furcal rudiment, and furcal chaetotaxy. Six new species are described: D. olenae sp n. from Ukraine, D. inya sp n., D. pseudoinya sp n., D. sibirica sp n., D. caucasic...
Duplex-comb (D) is one of three major loci affecting comb morphology in the domestic chicken. Here we show that the two Duplex-comb alleles, V-shaped (D*V) and Buttercup (D*C), are both associated with a 20 Kb tandem duplication containing several conserved putative regulatory elements located 200 Kb upstream of the eomesodermin gene (EOMES). EOMES is a T-box transcription factor that is involv...
With a modulator-based 10 GHz optical-frequency-comb generator at 1.55 microm, we report a 20 GHz repetitive train of optical pulses as short as 450 fs. The timing stability of the 20 GHz pulses, in addition to the phase for optical-comb modes, shows a strong dependence on the relative frequency detuning between the comb generator's cavity and the seed cw laser. With a new and simple scheme, th...
Some neglected genera of Palearctic Eulophidae and Pteromalidae (Chalcidoidea) are reviewed as part of ongoing preparation of keys to identification of world genera of these families. Some of these genera are represented by distinctive species which properly belong to larger genera, and some were described based on misinterpreted morphological characters. Bryopezus Erdös syn. nov. is synonymize...
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