Thematische Bibliographien / Cohn, Roy M

Auswahl der wissenschaftlichen Literatur zum Thema „Cohn, Roy M“

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Veröffentlicht am 25. Juli 2024

Zuletzt aktualisiert am 27. Juli 2024

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Zeitschriftenartikel zum Thema "Cohn, Roy M"

Johnson, David K. „Christopher M. Elias. Gossip Men: J. Edgar Hoover, Joe McCarthy, Roy Cohn, and the Politics of Insinuation.“ American Historical Review 128, Nr. 4 (01.12.2023): 1853. http://dx.doi.org/10.1093/ahr/rhad408.

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Engelhardt, LM, M. Mocerino, RV Stick und AH White. „A Curious By-Product in the Tipson-Cohen Reaction of a Carbohydrate Ditosylate“. Australian Journal of Chemistry 43, Nr. 6 (1990): 1111. http://dx.doi.org/10.1071/ch9901111.

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The treatment of methyl 4,6-O-benzylidene-2,3-di-O-p-toluenesulfony-β- D- galactoside , methyl 4,6-O-benzylidene-3-O-benzenesulfonyl-2-O-p- toluenesufonyl-β-D-galactoside and methyl 4,6-O-benzylidene-2-O- benzenesulfonyl-3-O-p-touenesulfonyl-β-D-galactoside under Tipson-Cohen conditions (Zn/ Nal/dimethylformamide ) gives mainly the alkene, methyl 4,6-O-benzylidene-2,3-dideoxy-β-D-threo-hex-2-enoside. However, the first two glycosides give methyl 4,6-O-benzylidene-3-deoxy-3-C-(m-methylphenyl )-β-D- galactoside, and the last, methyl 4,6-O-benzylidene- 3-deoxy-3-C-phenyl-β-D-gaactoside, as minor by-products resulting from a curious reaction of the supposed iodo sulfonate intermediate. The structure of methyl 4,6-O-benzylidene-3-deoxy-3-C-(m- methylphenyl )-β-D- galactoside was confirmed by a single-crystal X-ray structure determination of the derived p-bromobenzoate.

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Ito, Keita, Syuta Honda und Takashi Suemasu. „Transition metal nitrides and their mixed crystals for spintronics“. Nanotechnology 33, Nr. 6 (15.11.2021): 062001. http://dx.doi.org/10.1088/1361-6528/ac2fe4.

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Abstract Anti-perovskite transition metal nitrides exhibit a variety of magnetic properties—such as ferromagnetic, ferrimagnetic, and paramagnetic—depending on the 3d transition metal. Fe4N and Co4N are ferromagnetic at room temperature (RT), and the minority spins play a dominant role in the electrical transport properties. However, Mn4N is ferrimagnetic at RT and exhibits a perpendicular magnetic anisotropy caused by tensile strain. Around the magnetic compensation in Mn4N induced by impurity doping, researchers have demonstrated ultrafast current-induced domain wall motion reaching 3000 m s−1 at RT, making switching energies lower and switching speed higher compared with Mn4N. In this review article, we start with individual magnetic nitrides—such as Fe4N, Co4N, Ni4N, and Mn4N; describe the nitrides’ features; and then discuss compounds such as Fe4−x A x N (A = Co, Ni, and Mn) and Mn4−x B x N (B = Ni, Co, and Fe) to evaluate nitride properties from the standpoint of spintronics applications. We pay particular attention to preferential sites of A and B atoms in these compounds, based on x-ray absorption spectroscopy and x-ray magnetic circular dichroism.

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Cruz, J., V. Corregidor, L. C. Alves, P. A. Carvalho und M. Fonseca. „Analysis of a gold solidus of roman emperor Valentinian I“. Microscopy and Microanalysis 19, S4 (August 2013): 139–40. http://dx.doi.org/10.1017/s1431927613001311.

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A gold solidus of Valentinian I, Emperor of Rome (A.D. 364-375) shown in Figure 1, and belonging to a private collection, was subjected to material and stylistic analysis, in order to ascertain about its authenticity. Due to the rarity of such a coin, only non-destructive analytical techniques were used, namely Scanning Electron Microscopy (SEM), Particle Induced X-ray Emission (PIXE), electrical resistivity and optical microscopy.Examination by SEM revealed that, in common with coins minted by this emperor, the solidus was die-struck as evidenced by the surface flow lines indicating metal movement under the dies (Figure 2). Wear traces presented an unorganized pattern. The coin was also examined for signs of stress-corrosion cracking but no evidence of this were found. The coin also shows traces of what appear to be soil residues; small quantities of these residues can also be seen in porosities in the coin face (arrow in Figure 3).Analysis by PIXE showed that the coin was made from an alloy of gold (97.9%), silver (2.0%) and copper (0.1%) (Figure 4). The high gold content is likely to be overestimated due to surface depletion of the silver and particularly the copper, which is caused by slight dissolution of these more reactive metals in the burial environment. Nevertheless, this effect is usually small and in agreement with other solidus from Valentiniano I. Also, the high gold content may lie behind the lack of stress-corrosion cracking.The presence of platinum group element (PGE) inclusions is, in some cases, indicative of alluvial gold provenience. Both, optical microscopy and PIXE, were used to detect them but it was not possible to identify their presence. Typically, the concentration of these elements is in the order of ppm, although for this specific period different values have been reported. Considering the experimental conditions used (2 MeV accelerated proton beam and a 50 μm Mylar foil in front of the X-ray detector) the limit of detection of the PIXE technique is close to the expected trace concentration. More energetic proton beam (>3MeV) or the use of specific filter for the X-ray signal in the low energy region, i.e. Zinc foil 75 μm thick, are the future experiments to be carried out in order to detect the presence of such characteristics PGE elements.In order to understand the presumable surface gold enrichment, electrical conductivity measurements were used. The values obtained (1.50-1.56)x1017 S/m show a lower conductivity as compared with the reference value for a 97% Au, 3% Ag alloy (3.54x1017 S/m), indicating that indeed the coin bulk has a lower gold content.As for the stylistic analysis, there is no sound agreement about the coin authenticity, but the tendency is to consider it a good one. The compositional and structural characterization of cultural heritage artefacts usually limit the number of available techniques to those considered as non-destructive and non-invasive, such the one presented in this work. This restriction also constricts and difficult the desired straight conclusions but, on the other hand, increase the multidisciplinary of the work, applying techniques usually dedicated to the material science characterization to cultural heritage.V. Corregidor acknowledges the funding support from the FCT-Ciência program. Financial support was also received through the PEST-OE/CTM-UI0084/2011 and PEST-OE/FIS/UI0275/2011 grants.

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Szczepanek, Jan, Tomasz M. Kardas und Yuriy Stepanenko. „Group Delay measurements of ultrabroadband pulses generated in highly nonlinear fibers“. Photonics Letters of Poland 8, Nr. 4 (31.12.2016): 107. http://dx.doi.org/10.4302/plp.2016.4.06.

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Ultra broadband supercontinuum pulses are commonly used as a source of different wavelengths from a wide spectral bandwidth or as a source of very short pulses. However the processes responsible for wide spectral broadening are still under investigation. In this paper we examine the temporal and spectral characteristics of the pulses broadened upon propagation in the highly nonlinear photonics crystal fibers with different dispersion profiles. Generated supercontinuum pulses were experimentally characterized using cross-correlation frequency resolved optical gating technique. Full Text: PDF ReferencesM. Bradler, P. Baum, and E. Riedle, "Femtosecond continuum generation in bulk laser host materials with sub-?J pump pulses", Appl. Phys. B 97, 561 (2009). CrossRef T. M. Kardas, B. Ratajska-Gadomska, W. Gadomski, A. Lapini, and R. Righini, "The role of stimulated Raman scattering in supercontinuum generation in bulk diamond", Opt. Express 21, 24201 (2013). CrossRef A. Brodeur and S. L. Chin, "Band-Gap Dependence of the Ultrafast White-Light Continuum", Phys. Rev. Lett. 80, 4406 (1998). CrossRef R. R. Alfano, ed., The Supercontinuum Laser Source: Fundamentals with Updated References, 2nd ed (Springer, 2006). DirectLink A. L. Gaeta, Phys. "Catastrophic Collapse of Ultrashort Pulses", Rev. Lett. 84, 3582 (2000). CrossRef J. M. Dudley, G. Genty, and S. Coen, "Supercontinuum generation in photonic crystal fiber", Rev. Mod. Phys. 78, 1135 (2006). CrossRef M. Klimczak, B. Siwicki, P. Skibinski, D. Pysz, R. Stepien, A. Heidt, C. Radzewicz, and R. Buczynski, "Coherent supercontinuum generation up to 2.3 ?m in all-solid soft-glass photonic crystal fibers with flat all-normal dispersion", Opt. Express 22, 18824 (2014). CrossRef D. J. Kane and R. Trebino, "Characterization of arbitrary femtosecond pulses using frequency-resolved optical gating", IEEE J. Quantum Electron. 29, 571 (1993). CrossRef J. Dudley, X. Gu, L. Xu, M. Kimmel, E. Zeek, P. O'Shea, R. Trebino, S. Coen, and R. Windeler, "Cross-correlation frequency resolved optical gating analysis of broadband continuum generation in photonic crystal fiber: simulations and experiments", Opt. Express 10, 1215 (2002). CrossRef N. Nishizawa and T. Goto, "Experimental analysis of ultrashort pulse propagation in optical fibers around zero-dispersion region using cross-correlation frequency resolved optical gating", Opt. Express 8, 328 (2001). CrossRef X. Gu, L. Xu, M. Kimmel, E. Zeek, P. O'Shea, A. P. Shreenath, R. Trebino, and R. S. Windeler, "Frequency-resolved optical gating and single-shot spectral measurements reveal fine structure in microstructure-fiber continuum", Opt. Lett. 27, 1174 (2002). CrossRef S. Roy, S. K. Bhadra, and G. P. Agrawal, "Effects of higher-order dispersion on resonant dispersive waves emitted by solitons", Opt. Lett. 34, 2072?2074 (2009). CrossRef S. Bose, S. Roy, R. Chattopadhyay, M. Pal, and S. K. Bhadra, "Experimental and theoretical study of red-shifted solitonic resonant radiation in photonic crystal fibers and generation of radiation seeded Raman soliton", J. Opt. 17, 105506 (2015). CrossRef T. Roger, M. F. Saleh, S. Roy, F. Biancalana, C. Li, and D. Faccio, "High-energy, shock-front-assisted resonant radiation in the normal dispersion regime", Phys. Rev. A 88, (2013). CrossRef G. P. Agrawal, Nonlinear Fiber Optics, Fifth edition (Elsevier/Academic Press, 2013). DirectLink J. Szczepanek, T. Kardas, M. Nejbauer, C. Radzewicz, and Y. Stepanenko, "Simple all-PM-fiber laser system seeded by an all-normal-dispersion oscillator mode-locked with a nonlinear optical loop mirror", Proc. SPIE 9728, 972827 (2016). CrossRef C. Iaconis and I. A. Walmsley, "Self-referencing spectral interferometry for measuring ultrashort optical pulses", IEEE J. Quantum Electron. 35, 501 (1999). CrossRef L. E. Hooper, P. J. Mosley, A. C. Muir, W. J. Wadsworth, and J. C. Knight, "Coherent supercontinuum generation in photonic crystal fiber with all-normal group velocity dispersion", Opt. Express 19, 4902 (2011). CrossRef J. Szczepanek, T. M. Kardas, and Y. Stepanenko, "Sub-160-fs pulses dechriped to its Fourier transform limit generated from the all-normal dispersion fiber oscillator", Optical Society of America Frontiers in Optics conference, FTu3C?2 (2016). CrossRef G. Genty, M. Lehtonen, and H. Ludvigsen, "Effect of cross-phase modulation on supercontinuum generated in microstructured fibers with sub-30 fs pulses", Opt. Express 12, 4614 (2004). CrossRef S. Roy, S. K. Bhadra, K. Saitoh, M. Koshiba, and G. P. Agrawal, "Dynamics of Raman soliton during supercontinuum generation near the zero-dispersion wavelength of optical fibers", Opt. Express 19, 10443 (2011). CrossRef Y. Liu, Y. Zhao, J. Lyngso, S. You, W. L. Wilson, H. Tu, and S. A. Boppart, "Suppressing Short-Term Polarization Noise and Related Spectral Decoherence in All-Normal Dispersion Fiber Supercontinuum Generation", J. Light. Technol. 33, 1814 (2015). CrossRef

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Bazant, Martin Z. „(Keynote) Learning Electrochemical Models from Images“. ECS Meeting Abstracts MA2023-01, Nr. 25 (28.08.2023): 1629. http://dx.doi.org/10.1149/ma2023-01251629mtgabs.

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As illustrated by the work of Ralph White, traditional methods of electrochemical engineering are based on human intelligence: Mathematical models encoding physical hypotheses are proposed, tested against experimental data and refined by fitting adjustable parameters. Artificial intelligence is beginning to challenge this paradigm, since predictions can be made directly from data without the need for models, but such knowledge is often not transferrable to new situations. This talk will present a hybrid approach of solving PDE-constrained inverse problems to derive new multiscale models, in the context of Li-ion batteries. Examples include learning models of reaction kinetics and surface heterogeneities from x-ray adsorption images of phase separation in lithium iron phosphate nanoparticles [1], x-ray diffraction spectra for fictitious phase separation in nickel-rich oxide porous electrodes [2], and optical videos of lithium plating on graphite particles [3]. [1] H. Zhao, H. D. Deng, A. E. Cohen, J. Lim, Y. Li, D. Fraggedakis, B. Jiang, B. D. Storey, W. C. Chueh, R. D. Braatz, and M. Z. Bazant, Learning heterogeneous reaction kinetics from X-ray movies pixel-by-pixel, preprint, https://www.researchsquare.com/article/rs-2320040/v1 [2] J. Park, H. Zhao, S. D. Kang, K. Lim, C.-C. Chen, Y.-S. Yu, R. D. Braatz, D. A. Shapiro, J. Hong, M. F. Toney, M. Z. Bazant, and W. C. Chueh, Fictitious Phase Separation in Li Layered Oxides Driven by Electro-Autocatalysis, Nature Materials 20, 991-999 (2021). [3] T. Gao, Y. Han, D. Fraggedakis, S. Das, T. Zhou, C.-N. Yeh, S. Xu, W. C. Chueh, J. Li, M. Z. Bazant, Interplay of lithium intercalation and plating on a single graphite particle, Joule 5, 1-22 (2021).

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Taer, Erman, Iwantono, Saidul Tua Manik, R. Taslim, D. Dahlan und M. Deraman. „Preparation of Activated Carbon Monolith Electrodes from Sugarcane Bagasse by Physical and Physical-Chemical Activation Process for Supercapacitor Application“. Advanced Materials Research 896 (Februar 2014): 179–82. http://dx.doi.org/10.4028/www.scientific.net/amr.896.179.

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Binderless activated carbon monoliths (ACMs) for supercapacitor electrodes were prepared from sugarcane bagasse by two different methods of physical and combination of physical-chemical activation process. The CO2 gas was used as physical activation agent and 0.3 M KOH was chosen as chemical activation agent. The ACMs were tested as electrodes in two-electrode systems of the coin tape cell supercapacitor that consists of stainless steel as current collectors and 1 M H2SO4 as an electrolyte. The improving of resistive, capacitive and energy properties of combination of physical-chemical ACMs electrodes were shown by an impedance spectroscopy, a cyclic voltammetry and a galvanostatic charge-discharge method. The improving of resistive, capacitive and energy properties as high as 1 to 0.6 Ω, 146 to 178 F g-1, 3.83 to 4.72 W h kg-1, respectively. The X-ray diffraction analysis and field emission scanning electron microscope were performed to characterize the crystallite and morphology characteristics. The results showed that the combination of physical-chemical activation process have given a good improving in performance of the bagasse based ACMs electrodes in supercapacitor application.

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Suk, Jae-min, Min Kyung Chae und Kyu-Sung Jeong. „Indolocarbazole-based anion receptors and molecular switches“. Pure and Applied Chemistry 84, Nr. 4 (14.02.2012): 953–64. http://dx.doi.org/10.1351/pac-con-11-10-02.

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A number of indolocarbazole-based anion receptors were prepared and their anion-binding behaviors were characterized in solution and in the solid state. First, chain-length-dependent binding affinities of chloride ion were revealed using a series of indolocarbazoles that consisted of one to four indolocarbazole units. The binding affinities were steadily enhanced from monomer to dimer, then to trimer by Gibb’s free energy (–∆∆G) = 2.4 ± 0.1 kcal/mol, and then nearly saturated. Second, a water-soluble trimer folded to generate an internal helical cavity with six convergent NHs, wherein small halides bound in water in the order of Cl– (65 M–1) > F– (46 M–1), and Br– (19 M–1). Third, X-ray crystal structures clearly proved helical folding of a trimer in the presence of sulfate ion, in which left- and right-handed helices stacked alternatively. It was also shown that the selectivity of anion binding could be varied by the modification of the spacer groups connecting indolocarbazole units. Finally, we prepared chiral indolocabazole dimers that adopted helical structures by intramolecular hydrogen bonds and displayed complete inversion of the helical sense upon anion binding. The dimers gave characteristic optical readouts in a reversible manner according to chemical stimuli, thus functioning as chirooptical molecular switches.

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GIRARD, MATTHEW G., H. JACQUE CARTER und G. DAVID JOHNSON. „New species of Monomitopus (Ophidiidae) from Hawaiʻi, with the description of a larval coiling behavior“. Zootaxa 5330, Nr. 2 (15.08.2023): 265–79. http://dx.doi.org/10.11646/zootaxa.5330.2.5.

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In 1985, Carter and Cohen noted that there are several yet-to-be described species of Monomitopus (Ophidiidae), including one from Hawaiʻi. Recently, blackwater divers collected a larval fish off Kona, Hawaiʻi, similar to the previously described larvae of M. kumae, but DNA sequence data from the larva does not match any of the six previously sequenced species within the genus. Within the Smithsonian Institution’s National Museum of Natural History Ichthyology Collection, we find a single unidentified adult specimen of Monomitopus collected North of Maui, Hawaiʻi in 1972 whose fin-ray and vertebral/myomere counts overlap those of the larval specimen. We describe this new Hawaiian species of Monomitopus based on larval and adult characters. Additionally, blackwater photographs of several species of Monomitopus show the larvae coiled into a tight ball, a novel behavior to be observed in cusk-eels. We describe this behavior, highlighting the importance of blackwater photography in advancing our understanding of marine larval fish biology.

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Bour, Stephan P., Claudia Aberham, Christèle Perrin und Klaus Strebel. „Lack of Effect of Cytoplasmic Tail Truncations on Human Immunodeficiency Virus Type 2 ROD Env Particle Release Activity“. Journal of Virology 73, Nr. 1 (01.01.1999): 778–82. http://dx.doi.org/10.1128/jvi.73.1.778-782.1999.

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ABSTRACT In addition to its role in receptor binding, the envelope glycoprotein of certain human immunodeficiency virus type 2 (HIV-2) isolates, including ROD10, exhibits a biological activity that enhances the release of HIV-2, HIV-1, and simian immunodeficiency virus particles from infected cells. The present study aims at better defining the functional domains involved in this biological activity. To this end, we have characterized the envelope protein of the ROD14 isolate of HIV-2, which, despite 95% homology with the ROD10 envelope at the amino acid level, is unable to enhance viral particle release. Site-directed mutagenesis showed that the presence of a truncation in the cytoplasmic tail of the ROD14 envelope was not responsible for the lack of activity, as previously reported for the HIV-2 ST isolate (G. D. Ritter, Jr., G. Yamshchikov, S. J. Cohen, and M. J. Mulligan, J. Virol. 70:2669–2673, 1996). Similarly, several modifications of the length of the ROD10 envelope cytoplasmic tail did not impair its ability to enhance particle release, suggesting that, in the case of the HIV-2 ROD isolate, particle release activity is not regulated by the length of the cytoplasmic tail.

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Dissertationen zum Thema "Cohn, Roy M"

SCRIMIERI, FEDERICA. „Vivere con i leader. Etnografia dell'attivismo rom in Albania: famiglie e debito“. Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/365779.

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Il focus di questa ricerca è il contesto dell’attivismo rom in Albania, l’assetto familiare che lo contraddistingue e il sistema del mercato dell’aiuto allo sviluppo in cui è inserito. Nella prima parte è ripercorsa la storia della comunità rom nell’area balcanica e in Albania, dalle prime attestazioni in epoca ottomana fino al trentennio socialista in epoca contemporanea. Nella seconda parte la storia della comunità rom in Albania è intrecciata con il resoconto della nascita del movimento rom per la società civile suddiviso in tre fasi storiche caratterizzate da tre diverse generazioni di leader e di protagonisti. Il movimento sarà analizzato delineando le tematiche emerse, soprattutto la sovrapposizione tra i “legami associativi” e i “legami familiari” e l’ indebitamento delle organizzazioni causato dal “sistema dei rimborsi” che regola il funzionamento della progettazione e dunque l’accesso alle risorse economiche.
The focus of this research is the context of Roma activism in Albania, the family structure that distinguishes it and the system of the development aid market in which it is embedded. In the first part, the history of the Roma community in the Balkans and in Albania is traced, from the earliest occurrences in the Ottoman era to the 30-year socialist period in contemporary times. In the second part, the history of the Roma community in Albania is intertwined with an account of the new born Roma movement for civil society divided into three historical phases characterised by three different generations of leaders and protagonists. The movement will be analysed by outlining the issues that emerged, especially the overlap between "associative ties" and " kinship ties" and the indebtedness of the organisations caused by the "reimbursement system" that regulates the functioning of the cycle project management and therefore access to economic resources.

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Bücher zum Thema "Cohn, Roy M"

Cohn, Roy M. The autobiography of Roy Cohn. Secaucus, N.J: Lyle Stuart, 1988.

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Hoffman, Nicholas Von. Citizen Cohn. London: Harrap, 1988.

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Citizen Cohn. Toronto: Bantam, 1988.

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Hoffman, Nicholas Von. Citizen Cohn. New York: Doubleday, 1988.

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Hoffman, Nicholas Von. Citizen Cohn. London: Harrap, 1988.

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Hoffman, Nicholas Von. Citizen Cohn. (London): Abacus, 1989.

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Hoffman, Nicholas Von. Citizen Cohn. New York: Doubleday, 1988.

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Walter Kerr Theatre (Organization : New York, N.Y.), Hrsg. Angels in America: Millennium approaches. New York, NY: Playbill Incorporated, 1993.

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Phantom spies, phantom justice: Elizabeth Bentley, Harry Gold, Roy M. Cohn, Irving H. Saypol, Judge Irving R. Kaufman, J. Edgar Hoover, and the rehearsal for the Rosenberg Trial or how I survived McCarthyism. New York: Bunin & Bannigan, 2010.

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Hoffman, Nicholas Von. Citizen Cohn: The Life and Times of Roy Cohn. Doubleday, 1988.

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Buchteile zum Thema "Cohn, Roy M"

„Cohn, Roy M. (1927–1986)“. In Encyclopedia of Lesbian and Gay Histories and Cultures, 382–84. Garland Science, 2003. http://dx.doi.org/10.4324/9780203487884-42.

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Craft, Elizabeth T. „The Man Who Owned Broadway“. In Yankee Doodle Dandy, 80–110. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197550403.003.0004.

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Abstract As a creator and performer who also became one of Broadway’s most powerful producers and businessmen, in conjunction with partner Sam Harris, George M. Cohan occupied a singular position. This chapter examines how Cohan helped shape contemporary discourses about wealth and business, as both a Broadway magnate and a creator, amid a rapidly transforming US economy and theatrical industry. Themes of money and class pervade Cohan’s shows throughout his career, but as this chapter shows, from around 1909 to 1919 business came to the fore. The chapter examines Get-Rich-Quick Wallingford (1910), which staged national anxieties about big business capitalism while also celebrating it. Finally, the chapter discusses the actors’ strike of 1919 and Cohan’s vocal opposition to the Actors’ Equity Association, demonstrating how Cohan’s unique position as Broadway performer and magnate made him a lightning rod in this highly publicized battle between business and workers.

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„National Drought Mitigation Center for the forty-eight contiguous states in the United States demon strated that severe and extreme drought affected more than 25 per cent of the country in twenty-seven o of ft7h5e0p ,0 a 0 st 0omnie2h (1 u , n9d4r2e , d50y0 ea k rs m . 2 T ) h o is rrm ep orrees . ents an area con D tr raosutg to htf lo s o el ddso , m hu rrre ic su an lt ess , inansdtrtuoc rn tu ardaol es d . a m Fo argteh , e s in e reasons, the quantification of impacts and the pro vision of disaster relief are far more difficult tasks for A fif lttyho ye uagrhsaT go an , n c ehill’s book was written m drought than they are for other natural hazards. recognising the li omnasteotloogf ists continue to strug o g re le twhiatnhtEommeerdgetnocydem al a in ngagweirtsh , ifm or paecxtasm th p a le t , ar aerestm ru ocrteu ra alccaunsd p cr oiltiecry ia ) m fo ak redresclcaor ntinue tdor ou d g eb hat te a nd th e sc ie bnatsiissts (i a . ned ., lcoocm al m ise udn , i ca re ti sopno nd an in dgttroa ns th peosre ta t e io v n en ts c ha bnynerless , to p ri rnog acc Second, the ab in se gnacneeonfdatopraecdirsoeugahntd . universally vdird in in k g in gemwear te gre , nacnydm so edfiocratlh . s T up h p es li eesc , ha ernascu te r r in is g ti cs sao fe f a it bsoeupttewdh definition of drought adds to the confusion drought have hindered the development of accurate, mu dsetgb re eeeotf her or reg s io ev nerai ty n . oRtneaald is rto ic uag lly h , tdeexfiisntistiaonnds , oiffd it roduogehst , a re nld ia , bl uel , tiamnadtetliym , el tyhee st fiom rm ate u s la o ti fon se voefr it dyraonudgh im tpcaocn ts T th haitshiasvoenbeeeenxpdle an d at iaopnplfiocrattihoens ( coor re im spoafcdt) efsipne it ciio fi ncs . ting Heanzcayrd pl aenvsenbtysm ha ovsetbgeoevnerrnam nk eend ts b . y Bryant (1991) faincaalty io se ndsm tud o y re , th vaenl op 1e5d0 . W de iflihniitte io annsdiGn la th n e tz ir (1 c 9 la 8 ss 5 i ) roannk th in egb is assiusmomftah ri esierdcihnarTaacb te le ri s1t . i1c . sKaenydhiamzp ar adctcsh . aTrh ac is ddeeffiinne it idornosug are annudmemraonuys , mmoarney ex diost. noAtl th ad oeuqguhatteh ly etoefritsh ti ecsdu eg se re defoorftsheivsee ri v ty al , ulaetn io g n th inocf lu edveenatn , e to xtparlesasrieoanlp ar oel ic a y rb m i akers h . t T in hemteharneisnhgofludlstefromrsde fo cl ras ri c n ie gntd is rtosuagnhdteefxfteecn ts t, , tlootnagl -l toesrsm of im li p fe a , ctt , otsauldedceonnnoem ss i , calnod ss , oscoccu ia r lteox am sp pelceitfriacryim in pam ct o s st inc as keesy (i e . ceo ., ntohm ey ic ar seecn to orts ) l . i nk FeodrA re lntcheouogfhatshseocriaattiendgshoafzatrhdesvfao ri rou th s ir htayz -a orndesihnazTaarbdlse . pmeor cent , owfnho at r m is atlhperesc ig ip niitfa ic ti aonnceovoefraatphe re ri sohdolodfo th fr7e5ep1r .1 ova id re essuabnjeicnttievge, rattheedoavsesreaslslm ra ennktiosfuh se afzualrdb ec cahuas ra eci tsee spe nctihas ll yormmio sl reea ? d A in gdeffo in r i ti looncao ti fon th sisw ty it phewa ou st lrdonbgetBee ri csatu ic sseoafntdhetihne te nrse it lya , t io dnusrhaitp io s n , baen tw desepna tia hlaezxatredns. t s ty ta p as eos na olfcporm ob ploenm ent of annual precipitation. These of drought events and the magnitude of associated init n io d n in s g an odftthheelcsaocn are kceopft th beytrheo su c se lt f o or fmau la m ti insgunddeefr icm og pean ct t s , a d rg ruom ug ehntt , ra hnokwsevveerry , h th ig aht . t O ot naelc lo asnsmoafke li fe aaop th p e ly rtshce ie dne ti fsitnsito io rndiin sc a ip clt in oenssiw de il rlateivoenntguiavle ly n n to ee dhotwo associated with drought in this case is significantly assessments of impact in u m al uld ti rpoluegh ec tosn it oum ations (e.g., d ov ro e u rr gah te t d . isLo ra srseoifnl if meo th sattsies tt d in ir gesc . t ly T h as esorcain at keidngwib th yrderlo ie ufgphrtogdreacm la m ra e ti s o ) n . s or revocations for eli igcibsie li cttyortso , dBrroyuagnhtt. atT tr h ib is uitses in a lo pspsroopfr ia li tfeesb in ecceau th se eporfim fa a m ry inceautsoe spre Tahdi rd ov , er draoluag rg hetrigmepoagcrtaspha ic re a nonstruct of famine in recent decades has been civil war or that result from other natural haz laradrse . aFtohraneudraamla and political strife, both of which heighten vulnerability to recent analysis of drought occurrence by x th aemp ( lUeg , eassdS) fa yrsotu em ght. mine s . anDdrocu an ghbteeavesnitgsnid fi icsarnutptnaftouord al p tr riogdguecrtifoonr“. In Droughts, 36–37. Routledge, 2016. http://dx.doi.org/10.4324/9781315830896-26.

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Konferenzberichte zum Thema "Cohn, Roy M"

Bulgakov, Volodymyr, Semjons Ivanovs, Valerii Adamchuk, Volodymyr Nadykto, Volodymyr Kyurchev, Vadym Yaremenko und Liudmyla Krasiuk. „Treatment quality assessment of sunflower inter-row widths with asymmetric joining of cultivator to tractor“. In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf163.

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Almost all existing units for mechanical processing of inter-row widths of row crops (corn, sunflower, soybeans, etc.) are symmetrical. In this case, the ratio of the tractor track to the row crop’s inter-row widths is an even integer (k). This article presents the study results of a machine-tractor unit in which the value k equals 3; that is, it is odd. As a result, an asymmetric unit was obtained, in which the cultivator is displaced in the transverse direction relative to the tractor symmetry axis by half the inter-row width, equal to 70 cm. The width fluctuations of sunflower plant protective zone formed by such machine-tractor unit are rather low-frequency. At a speed of 1.9 m·s-1, the main variance spectrum of these oscillations is concentrated in the frequency range 0-0.9 m-1 or 0-0.27 Hz. With an increase in the unit movement speed to 2.4 m·s-1, this diapason narrows to 0-0.6 m-1 (0-0.23 Hz). At the same time, an increase in the movement speed of the studied unit from 1.9 to 2.4 m·s-1 did not lead to a significant change in the mean of the width and variance of the sunflower row protective zone oscillations. The actual difference between the means of this zone (0.6 cm) turned out to be less than LSD05, equal to 0.8 cm. In addition to this, the null hypothesis about the equality of the compared of this parameter fluctuation variances was confirmed. Calculations have established that the possible deviation frequency of the sunflower plant protective zone width actual value of ± 1 cm from the established one can reach 0.007 m-1 or one release per 143 m of the path travelled by the unit at a speed of 1.9 m·s-1. When the machine-tractor unit moves in the sunflower inter-row widths at a speed of 2.4 m·s-1, the value of this indicator is 0.009 m-1 or one release per 111 m of the path. According to the results of experimental studies, real damage (cutting) of sunflower plants for both unit operation modes did not exceed 0.9%. The weed destruction in the inter-row widths of this crop was 98.5%.

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Álvarez, Rebeca Suárez, und Antonio García Jiménez. „Conciliando el móvil con el aula. Mobile-learning como experiencia de aprendizaje en educación superior a través de Wooclap“. In IN-RED 2023: IX Congreso de Innovación Educativa y Docencia en Red. València: Editorial Universitat Politècnica de València, 2023. http://dx.doi.org/10.4995/inred2023.2023.16412.

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El uso de los móviles se ha vuelto una práctica diaria en la vida de los jóvenes. Su consumo invita a repensar las prácticas docentes para utilizarlos como herramientas didácticas para diseñar actividades docentes innovadoras. El objetivo de esta investigación es conocer si el mobile-learning (m-learning) potencia el proceso de enseñanza-aprendizaje en la enseñanza superior con la herramienta Wooclap. Mediante metodología cuantitativa a través de cuestionario, se encuesta a alumnos de los grados de Periodismo, de Publicidad y Relaciones Públicas y del Máster Universitario en Periodismo Internacional de la Universidad Rey Juan Carlos (n=99) en el segundo semestre del curso 2021-2022. Se analiza la facilidad de uso, el grado de satisfacción, las dificultades y mejoras de la plataforma así como la preferencia de los estudiantes por este tipo de metodología activa. Los resultados confirman la armonización del móvil con la educación y su potencialidad educativa. El m-learning dinamiza las clases, incrementa la atención, la participación del alumnado y mejora la relación entre alumno/profesor. 9 de cada 10 alumnos aboga por impulsar este tipo de aprendizaje frente a las metodologías tradicionales ya que les ayuda a comprender y retener mejor los contenidos impartidos en clase.

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„CRAVING EN EL TRASTORNO POR USO DE INHALABLES / CRAVING IN INHALANT USE DISORDER“. In 23° Congreso de la Sociedad Española de Patología Dual (SEPD) 2021. SEPD, 2021. http://dx.doi.org/10.17579/sepd2021p078v.

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Los inhalables son sustancias volátiles que se auto-administran con fines de intoxicación, se encuentran en diversos productos domésticos, son legales y asequibles. Entre los más comunes están los disolventes de pintura y pegamentos. Existen poblaciones usuarias donde la edad de inicio de consumo se produce entre los 12-14 años. El uso prolongado se asocia con numerosas consecuencias médicas, incluida la dependencia. En la adicción a inhalables el fenómeno de craving se encuentra presente, este es un criterio diagnóstico y un factor clave para la predicción de remisiones o recaídas. En la actualidad, se requiere de un mayor número de estudios clínicos que exploren el craving en la población afectada, con el fin de contribuir en los diagnósticos y tratamientos mediante un criterio cuantificable que indique la intensidad y gravedad del criterio craving. Objetivo. Determinar el punto de corte del cuestionario de craving de inhalables en población usuaria. Material y métodos. Evaluación transversal no probabilística de 112 participantes, divididos en dos grupos, (GA) usuarios (n= 53), (GB) asintomáticos (n= 59). Se aplicó la prueba ICQ que mide el craving a inhalables y una entrevista ad hoc. Se realizó análisis descriptivo y análisis de curva de características operativas del receptor (ROC). Resultados. La mayor parte de los participantes del grupo GA eran solteros, sin empleo, usaban más de dos sustancias inhalables, iniciaron en promedio el consumo a la edad de (M=16.13, DE= 3.45) y tenían un tiempo de uso de inhalables de 5 o más años. El análisis ROC mostró el punto de corte de un 1 mm tiene una sensibilidad de 0.84 y una especificidad de 0.99. Conclusión. La adicción a inhalables es un padecimiento de salud, el craving está presente en estos usuarios, el estudio mostró parámetros objetivo utilizando el ICQ y se obtuvo un punto de corte.

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Rojas Hernández, Óscar Arturo, und Daniel González Romero. „Grandeza simbólica de la Estatua de la Libertad en la película Ghostbusters II“. In International Conference Virtual City and Territory. Mexicali: Universidad Autónoma de Baja California, 2010. http://dx.doi.org/10.5821/ctv.7626.

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Toda imagen creada o capturada por el hombre conlleva, necesariamente, un cierto grado de subjetividad y ésta implica, a su vez, ideología que la acompaña. La Estatua de la Libertad que aparece en las distintas películas, en este caso Ghostbusters II, no es la excepción y su aparición aquí, contiene mensajes ideológicos que corresponden con los valores neoliberalista, predominantes en Norteamérica tanto en el momento de su creación, como en la actualidad. La grandeza simbólica de los Estados Unidos de América, primera potencia mundial, se corresponde con la grandeza simbólica de la Estatua de la Libertad, pues ésta última, como monumento emblemático que es, representa, y a su vez colabora en la creación de identidad nacional. Pero no sólo la identidad se ve afectada por el monumento, sino que ésta, a la vez, da pie a la creación de la otredad, resultando así determinante no sólo a nivel nacional, sino a nivel global. Lo anterior es reforzado de manera importante por la diferencia abismal entre la cantidad de productores cinematográficos de cine masivo, que son muy pocos y la cantidad de audiencia, que es enorme y se ha extendido a lo largo del globo. Otros factores dignos de mención son, por una parte, la tendencia actual del hombre a adquirir el conocimiento mediante la imagen y por otra, la tendencia a la mediatización de las experiencias. Si a lo anterior le es añadida la pasividad de la audiencia de cine, es posible encontrar a un cine-espectador caracterizado por su vulnerabilidad a lo que es expuesto por dicho medio de comunicación y sobre todo, a la ideología que se encuentra en las capas más profundas de las imágenes y que es introducida ahí por la minoría dominante. Estos mensajes ideológicos son abordables desde distintos ángulos, como la semiótica, la retórica de la imagen y la narrativa cinematográfica. Para lo anterior, la metodología a emplearse será una metodología propia, resultado de una combinación de las metodologías propuestas en las siguientes fuentes bibliográficas: 1.- Rojas Mix, M. (2006). El Imaginario: Civilización y Cultura del Siglo XXI. Buenos Aires: Prometeo. Libro clave para el presente estudio, en el se presenta un esquema de análisis para las imágenes. Además, se habla sobre el imaginario y las nuevas formas de conocimiento que implican una importancia enorme de la imagen. El esquema de análisis se centra en la imagen estática, la cual es necesario analizar en primera instancia, pues las imágenes en movimiento se componen de imágenes estáticas, Además se presentan diferentes figuras retóricas, útiles tanto para imágenes físicas como en movimiento. 2.- Magariños de Morentín (2005). Guía Elemental Para un Proyecto de Investigación. Argentina. Aquí se presentan las bases para realizar una investigación semiótica y la finalidad que debe alcanzar dicha investigación. 3.- Jordi Sánchez Navarro (2006): Narrativa Audiovisual. Barcelona: UOC Se explica la técnica narrativa y se proporcionan elementos valiosos para su análisis. Teniendo como base las fuentes anteriores, se empleará una metodología que las combine para así lograr, como Magariños menciona, una interpretación válida posible de los distintos elementos que componen las escenas de la película Ghostbusters II en las que aparece la Estatua de la Libertad. En primer lugar, se analizará la escultura de la Estatua de la Libertad, empleando el esquema de análisis propuesto por Rojas Mix. En seguida, se analizará la presencia de dicho monumento en la película y el rol que juega a nivel general. Posteriormente, se analizarán los elementos retóricos y narrativos empleados en las escenas específicas en las que aparece el monumento. Todo esto teniendo el enfoque en la grandeza simbólica del monumento.

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Кузнецов, В. Д. „ARCHAIC FORTIFICATIONS OF PHANAGORIA“. In Hypanis. Труды отдела классической археологии ИА РАН. Crossref, 2023. http://dx.doi.org/10.25681/iaras.2021.978-5-94375-350-3.111-130.

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Статья посвящена публикации оборонительных сооружений архаического времени. Они были обнаружены в Фанагории в процессе археологических исследований на территории исторического центра города. Городские стены были построены вскоре после основания апойкии. Спустя небольшое время в 6 в. до н.э. они погибли, видимо, в результате вражеского нападения. На их месте были построены новые укрепления, которые также были разрушены на рубеже первой и второй четвертей 5 в. до н.э. Это событие было связано с персидской агрессией, о чем свидетельствует фрагмент царской персидской клинописной надписи, найденной в здании, построенном на развалинах стен. Городские стены были построены из сырцовых кирпичей. Они представляют собой цепь помещений наподобие башен, примыкающих друг к другу и окружающих по периметру весь холм, на котором был основана апойкия. Такая система обороны для рассматриваемого времени не зафиксирована, насколько мне известно, где-либо в греческой мире. Эти помещения, будучи построенными по краю холма, были более устойчивыми, чем обычные стены. Кроме того, они могли использоваться в условиях ограниченного пространства, на котором был построен первоначальный город, для различных целей – хранения оружия, ремесленных мастерских, помещений для охраны и т.п. На основании письменных данных, прежде всего строительных отчетов, автор предлагает высчитать количество времени, необходимого для сооружения городских стен Фанагории, и примерную их стоимость. Зная длину стены по периметру холма (не менее 400 м), количество кирпичей в погонном метре и примерную высоту стены, можно предположить, что всего в строительстве было использовано не менее 500 000 кирпичей. Поскольку из данных эпиграфики известна производительность труда мастеров по укладке кирпичей, то можно говорить о том, что оборонительные сооружения Фанагории были построены в короткий срок – в течение трех-четырех месяцев. Стоимость такой работы может быть определена (на основе данных о ценах на кирпич и работы) примерно в 2.5 таланта. Однако вероятнее всего, что стены были построены жителями города без оплаты труда, поскольку речь шла об их собственной безопасности. The article is dedicated to Archaic defensive structures of Phanagoria. They have been discovered in the course of excavation of the historical center of the city. The city walls were built soon after the foundation of the apoikia. Some time later, in the 6th century BC, the walls were demolished, possibly due to some enemy attack. New fortifications were built at the same place, also destroyed at the end of the first – beginning of the second quarters of the 5th century BC. This event was connected with Persian aggression, which is testified by a fragment of a royal Persian cuneiform inscription discovered in a building erected over the ruins of the wall. The city walls were constructed of mud-bricks. They presented a row of tower-like rooms adjoining each other and encircling the whole hill upon which the apoikia had been founded. A similar defensive system, as far as we know, is not found elsewhere in the Greek world. These rooms built by the edge of the hill were more stable than ordinary walls. At the same time, con sidering the limited space of the initial settlement, they could be used for different purposes – as storerooms, armories, workshops, rooms for guards etc. Available epigraphical sources, first of all building accounts, the author suggests to esti mate the time required for building the walls and the approximate value of the work. Knowing the length of the wall (not less than 400 m), its average height and the number of bricks for each running meter, it is possible to suggest that not less than 500 000 bricks have been used. From epigraphic sources we can estimate the productiveness of ancient masons and brick-makers, which makes it possible to suggest that the walls were erected within a short time – three or four month. The cost of this work (knowing the price of bricks and labor) was about 2,5 talents. It is most probable that the walls were built by the inhabitants of the settlement who got no pay for their work, but who strived to ensure their safety.

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