1,355,848 research outputs found

    Enemothrombium wohltmanni Saboori, Shojaei & Hakimitabar 2009

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    74. Enemothrombium wohltmanni Saboori, Shojaei & Hakimitabar, 2009: 349 in Saboori et al. (2009b). Holotype larva (ARS- 20081213 -1a), IRAN, KHORAMABAD, Coll. Mojgan Sadat Shojaei. AVAILABLE. Paratype larvae (ARS- 20081213 -1b, c, d, e, f), same data as holotype. AVAILABLE.Published as part of Saboori, Alireza & Shirvani, Zeinab, 2021, A checklist of Acari type specimens deposited in the Jalal Afshar Zoological Museum, Karaj, Iran, pp. 289-311 in Zootaxa 4949 (2) on page 296, DOI: 10.11646/zootaxa.4949.2.4, http://zenodo.org/record/463640

    Professor Mahmoud Shojaei (1925–2018), Memorial letter

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    Prof. Mahmoud Shojaei, a prestigious professor of entomology at Tehran University and Islamic Azad University, passed away at 93 on November 25, 2018. Prof. Shojaei's contribution to entomology was profound and enduring, 63 years of teaching and research. He was former Dean of Faculty of Agriculture, University of Tehran and manager of Jalal Afshar's Zoological Museum, at Karaj campus of the University of Tehran

    Common Fixed Point in Cone Metric Space for mathbfsmathbfvarphimathbf{s}-mathbf{varphi}-contractive

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    Huang and Zhang cite{Huang} have introduced the concept of cone metric space where the set of real numbers is replaced by an ordered Banach space. Shojaei cite{shojaei} has obtained points of coincidence and common fixed points for s-Contraction mappings which satisfy generalized contractive type conditions in a complete cone metric space.In this paper, the notion of complete cone metric space has been introduced. We have defined sphis-phi-contractive and obtained common fixed point theorem for a mapping f,sf,s which satisfies sphis-phi-contractive

    Enemothrombium wohltmanni Saboori, Shojaei & Hakimitabar 2009

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    wohltmanni Saboori, Shojaei & Hakimitabar, 2009 [LV] Enemothrombium wohltmanni Saboori et al. 2009: 349. Distribution. Iran.Published as part of Mąkol, Joanna & Łaydanowicz, Joanna, 2010, A new species of Valgothrombium Willmann, 1940, with additional taxonomic data for Valgothrombiinae genera known as larvae (Acari: Prostigmata: Microtrombidiidae), pp. 16-34 in Zootaxa 2647 on page 27, DOI: 10.5281/zenodo.19871

    FIGURE 4 in Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran

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    FIGURE 4. Salmoneus shojaei sp. nov., shrimps in life. (A) paratype, non-ovigerous specimen from Khamir Port, Iran (MNHN- IU-2014-1259); (B) paratype, non-ovigerous specimen from the same locality (FLMNH UF 60587). Photographs by Mr. Rashed Abdollahi.Published as part of Ashrafi, Hossein, Anker, Arthur & Ďuriš, Zdeněk, 2022, Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran, pp. 121-132 in Zootaxa 5165 (1) on page 128, DOI: 10.11646/zootaxa.5165.1.7, http://zenodo.org/record/682572

    Robust Control of Three-Dimensional Compliant Mechanisms

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    Position control and vibration damping of flexible-link mechanisms are still challenging open issues in robotics. Finding solutions for these problems can lead to improvement in the operation and accuracy of the manipulators. In this paper, the synthesis of robust controllers based on H_inf loop shaping and my-synthesis for both position control and vibration damping in a spatial flexible L-shape mechanism with gravity is presented. The design of the controllers is based on the evaluation of an uncertainty model which takes into account a +-20% uncertainty in the elasticity and mass density of the links. The response of each controller is tested also in the presence of external disturbances with the aid of highly accurate numerical simulations; furthermore, a comparison between the robust performances of synthesized controllers is presented in order to show the effectiveness of synthesized control systems

    An adaptive mesh-free approach for dynamic failure analysis

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    In this paper a novel mesh-free method by a simple coupling between the finite point method (FPM) and a mesh-free Peridynamic method is introduced. In this method, the solution domain is mainly discretized by FPM points at the beginning of the analysis; FPM produces results with lower computational cost compared to a Peridynamic-only model. Then as the analysis progresses in time, FPM points can change to Peridynamic points in the parts where there is a possibility of crack nucleation or propagation. In this way, the approach benefits from the full advantages of both methods by using an adaptive partitioning of the solution domain, and it restricts the Peridynamic solution only to necessary parts

    FIGURE 2 in Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran

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    FIGURE 2. Salmoneus shojaei sp. nov., holotype, ovigerous specimen (cl 5.33 mm) from Khamir Port, Iran (MNHN-IU-2014- 1257). (A) major cheliped, lateral view; (B) same, distal portion of carpus and chela, lateral view; (C) same, mesial view; (D) minor cheliped, lateral view; (E) same, chela, lateral view.Published as part of Ashrafi, Hossein, Anker, Arthur & Ďuriš, Zdeněk, 2022, Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran, pp. 121-132 in Zootaxa 5165 (1) on page 125, DOI: 10.11646/zootaxa.5165.1.7, http://zenodo.org/record/682572

    Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran

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    Ashrafi, Hossein, Anker, Arthur, Ďuriš, Zdeněk (2022): Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran. Zootaxa 5165 (1): 121-132, DOI: https://doi.org/10.11646/zootaxa.5165.1.

    FIGURE 1 in Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran

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    FIGURE 1. Salmoneus shojaei sp. nov., holotype, ovigerous specimen (cl 5.33 mm) from Khamir Port, Iran (MNHN-IU-2014- 1257). (A) anterior part of carapace and left cephalic appendages, lateral view; (B) same, dorsal view; (C) pleon, lateral view; (D) telson and uropods, dorsal view.Published as part of Ashrafi, Hossein, Anker, Arthur & Ďuriš, Zdeněk, 2022, Salmoneus shojaei, a new species of mangrove-dwelling alpheid shrimp (Decapoda: Caridea) from Iran, pp. 121-132 in Zootaxa 5165 (1) on page 124, DOI: 10.11646/zootaxa.5165.1.7, http://zenodo.org/record/682572
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