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Now showing items 1 - 16 of 710844

  • A case of Vy膩kara峁噄c oxymoro峁? the notion of Anvarthasa峁僯帽膩

    Emilie Aussant  

    The anvartha-saṃj帽ā compound associates two contradictory terms: anvartha, which means “[used] in conformity with his [etymological/first] meaning”, and saṃj帽ā which implies the idea of a convention; it therefore appears to be quite intriguing. The question is: is it relevant to focus on this contradiction or is it only a false problem? The aim of this paper is to answer the above question and this implies to grasp somewhat better the use of this notion by the Pāṇinian grammarians. To do so, the author has studied the main texts of the Pāṇinian tradition, having in mind the following questions: did the Pāṇinian grammarians deal with this notion and, if so, in what terms? Did they perceive the contradiction raised by the association of the terms anvartha and samj帽ā? The study will show that this contradiction is only a false problem: according to the Pāṇinian grammarians quoted above, even when a saṃj帽ā is provided with an etymological/first meaning and its bearer (or one of its properties) is partly described by this meaning, this saṃj帽ā belongs, above all, to the domain of convention.
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  • Ab茅c茅daire聽: qui suis-je聽? C鈥欌€?

    A. Wernera   I. McGillb   O. Laccourreyea  

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  • Ab茅c茅daire聽: qui suis-je聽? E鈥欌€?

    A. Wernera   I. McGillb   O. Laccourreyea  

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  • Ab茅c茅daire聽: qui suis-je聽? H鈥欌€?

    O. Laccourreyea   I. McGillb   A. Wernera  

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  • Ab茅c茅daire聽: qui suis je聽? G鈥欌€?

    O. Laccourreyea   I. McGillb   A. Wernera  

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  • Ab茅c茅daire聽: qui suis-je聽? D鈥欌€?

    O. Laccourreyea   I. McGillb   A. Wernera  

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  • The oxidation behavior of Cu鈥揨r鈥揟i鈥揵ase bulk metallic glasses in air at 350”00聽掳C

    H. H. Hsieh   W. Kai   W. L. Jang   R. T. Huang   P. Y. Lee and W. H. Wang  

    The oxidation behavior of two Cu-base bulk metallic glasses (BMGs), having compositions Cu–30Zr–10Ti and Cu–20Zr–10Ti–10Hf (in at.%), was studied over the temperature range of 350–500 掳C in dry air. In general, the oxidation kinetics of both BMGs followed the parabolic rate law, with the oxidation rates increasing with increasing temperature. The addition of Hf slightly reduced the oxidation rates at 350–400 掳C, while the opposite results observed at higher temperatures. It was found that the oxidation rates of both BMGs were significantly higher than those of polycrystalline pure-Cu. The scales formed on both BMG alloys were strongly composition dependent, consisting of mostly CuO/Cu2O and minor amounts of cubic-ZrO2 and ZrTiO4 for the ternary BMG, and of CuO, cubic-ZrO2, and Zr5Ti7O24 for the quaternary BMG. The formation of ternary oxides (ZrTiO4 and Zr5Ti7O24) was inferred to be responsible for the fast oxidation rates of the BMGs.
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  • Ab茅c茅daire qui suis-je聽? F鈥欌€?

    O. Laccourreyea   I. McGillb   A. Wernera  

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  • Ab茅c茅daire qui suis-je聽? B鈥欌€?

    O. Laccourreye   I. McGill   A. Werner  

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  • Ab茅c茅daire聽: qui suis-je? I鈥欌€?

    O. Laccourreyea   I. McGillb   A. Wernerc  

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  • Determination of PRT Hysteresis in the Temperature Range from 鈭?0聽掳C to 300聽掳C

    V. Žužek   V. Batagelj and J. Bojkovski  

    This paper discusses the contribution of hysteresis to the measurement uncertainty of industrial platinum resistance thermometers (IPRTs). Hysteresis is one of the sources of uncertainty that has so far not been sufficiently researched and documented. The term hysteresis applies to any system that is path dependent; the output depends on the history of the input. In our case, thermal hysteresis results in different resistance values at the same temperature point, depending on whether the temperature was increasing or decreasing. The reason for such behavior is related to the construction of the thermometer (strain due to thermal expansion and contraction) and also to possible moisture inside the encapsulation. In the process of evaluation of the calibration and measurement capabilities (CMCs) of IPRTs within Working Group 8, the Consultative Committee for Thermometry (CCT WG8) concluded that the uncertainty due to hysteresis is not uniformly defined and not always added to the total uncertainty of the resistance thermometer under calibration. In order to estimate the uncertainty contribution due to the hysteresis and compare different procedures, resistance measurements were carried out on a number of IPRTs of different qualities and tolerance classes. The temperature span was between −50 掳C and 300 掳C, which is the most frequent temperature range in the practical use of IPRTs. The hysteresis was then determined in different ways (change of resistance at the ice point and at the midpoint temperature according to the ASTM International Standard E644 and according to the new version of IEC Standard 60751), and a comparison of results was made.
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  • The Transfiguration of Ti峁囜箛a峁?the Archer* (Studies in C膿kki岣荒乺’s Periyapur膩峁嘺m I)

    Whitney Cox  

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  • MP2 Study of synergistic effects between X鈥揌/蟺 (X = C,N,O) and 蟺鈥撓€ interactions

    David Quiñonero   Antonio Frontera   Daniel Escudero   Pablo Ballester   Antoni Costa and Pere M. Deyà  

    In this manuscript we report high level ab initio calculations [RI-MP2(full)/aug-cc-pVDZ] and experimental evidence that demonstrate that important synergistic effects between two relevant non covalent interactions that are omnipresent in biological systems, i.e., π–π and X–H/π interactions (X = C,N,O), occur when the interactions coexist in the same complex. In particular, we study how the π–π interaction influences the X–H/π interaction and vice versa by computing the genuine non additivity energies of the ternary X–H/π–π complexes.
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  • On the nonperturbative charm effects in inclusive B鈫扻c</sub>鈩撐?decays

    I.I. Bigi   N. Uraltsev and R. Zwicky  

    We address the nonperturbative effects associated with soft charm quarks in inclusive B decays. Such corrections are allowed by the OPE, but have largely escaped attention so far. The related four-quark ‘double heavy’ expectation values of the form 谩B | [`(b)]c [`(c)]b | B帽\langle{B}\mid{\bar{b}c,\bar{c}b}\mid{B}\rangle are computed in the 1/mc expansion by integrating out the charm field to one and two loops. A significant enhancement of the two-loop coefficients is noted. A method is suggested for evaluating the expectation values of the higher-order b quark operators required to calculate charm expectation values, free from the overly large ambiguities of dimensional analyses. The soft charm effects were found generally to be at the level of 0.5%in Γsl(b→c); our literal estimate is somewhat smaller as a result of partial cancellations. We propose a direct way to search for such effects in the data. Finally, we discuss the relation of the soft charm corrections in inclusive decays with the ‘intrinsic charm’ ansatz.
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  • Maneuverability of C<sub>b-Series Full Hull Ships; 方形係数シリーズ肥型船の操縦性能;

    Yasukawa, Hironori   Zaky, Mochammad   Yamazaki, Yusuke   Amii, Hiromasa  

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  • W盲rme眉bergangs- und Tropfencharakteristik f眉r eine Sprayk眉hlung im Temperaturbereich von 900”00聽掳C

    C. Krause   E. Wulf   F. Nürnberger and F.-W. Bach  

    Im Rahmen des Projektes B3, ,,Integrierte W盲rmebehandlung‘‘, des Sonderforschungsbereichs 489 werden an der Leibniz Universit盲t Hannover pr盲zisionsgeschmiedete Bauteile aus der Schmiedew盲rme mit Hilfe eines Zweiphasensprays randschichtverg眉tet. Ziel der vorliegenden Untersuchungen war es, den von den Sprayeigenschaften und der Oberfl盲chentemperatur abh盲ngigen W盲rme眉bergangskoeffizienten f眉r den verwendeten Verg眉tungsstahl 42CrMo4 (1.7225) zu berechnen und mit der Weberzahl, die die Tropfencharakteristik des Sprays beschreibt, in Korrelation zu bringen.
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