27,054 research outputs found
Friso de Chan Chan con un diseño escalonado de peces con aves procededente de una ciudadela
No full textSello al reverso: "COMITE CENTRAL DE CHAN CHAN TRUJILLO-PERU-FOTO- SAMPIETRI" "COMITE CENTRAL PRO RESTAURACION DE CHAN CHAN Pizarro 620-Trujillo-Perú". El núcleo de Chan Chan está formado por 10 "ciudadelas", llamadas así por ser grandes recintos cercados ("canchones"), en cuyo interior albergan muchas estructuras menores, asemejando pequeñas ciudades amuralladas, de los cuales 9 tienen muchas características comunes. Vistos desde el norte y el sentido de las agujas del reloj han sido bautizadas como Squier, Gran Chimú, Bandelier, Uhle, Chayhuac, Tschudi, Rivero, Laberinto, Tello y Velarde. Referencia: http://www.arqueologiadelperu.com.ar/chanchan.htm, (última consulta 28/09/2010)
Reopening wounds: Processing Korean Cultural Trauma in Park Chan-wook’s Revenge Trilogy
No full textSingle page posterThe democratic reforms of the 1987 June 29 Declaration opened the floodgates for Korean New Wave films. The repeal of censorship regulations gave Korean filmmakers the autonomy to actualize their creative vision for the first time since Japanese colonialism. The result were films that grappled with the trauma of eighty years of colonialism, war, and authoritarian dictatorship through biting political commentary. This study explores Park Chan-wook’s representation of 한 (han) Korean cultural trauma in his New Wave films Oldboy and Sympathy for Lady Vengeance. Literature on trauma, film, and Korean history was reviewed and combined with film analysis to explain Chan-wook’s critique of revenge fantasies and conscious and unconscious ignorance. His films demonstrate that the only way to heal 한 is to acknowledge and accept all wrongdoing, even one's own, and mourn the consequences of the atrocities. While 한 is specific to Koreans, cultural trauma is not. From the effects of Apartheid in South Africa, the Rwandan Genocide, the legacy of slavery and ongoing atrocities committed against BIPOC Americans, the ubiquity of cultural trauma makes the lessons in Chan-wook’s works of paramount importance. While resolution of trauma is never final, Chan-wook’s films are both a guideline and a performance on how cultures can begin to heal in the face of moral atrocities
Mapping cerebral perfusion in mice under various anesthesia levels using highly sensitive BOLD MRI with transient hypoxia
No full textCerebral perfusion is critical for the early detection of neurological diseases and for effectively monitoring disease progression and treatment responses. Mouse models are widely used in brain research, often under anesthesia, which can affect vascular physiology. However, the impact of anesthesia on regional cerebral blood volume and flow in mice has not been thoroughly investigated. In this study, we have developed a whole-brain perfusion MRI approach by using a 5-second nitrogen gas stimulus under inhalational anesthetics to induce transient BOLD dynamic susceptibility contrast (DSC). This method proved to be highly sensitive, repeatable within each imaging session, and across four weekly sessions. Relative cerebral blood volumes measured by BOLD DSC agree well with those by contrast agents. Quantitative cerebral blood volume and flow metrics were successfully measured in mice under dexmedetomidine and various isoflurane doses using both total vasculature-sensitive gradient-echo and microvasculature-sensitive spin-echo BOLD MRI. Dexmedetomidine reduces cerebral perfusion, while isoflurane increases cerebral perfusion in a dose-dependent manner. © 2024 American Association for the Advancement of Science. All rights reserved.11Ysciescopu
Fabrication of organic crystal cored fiber of meta-nitroaniline
No full text학위논문(석사) - 한국과학기술원 : 물리학과, 1992.2, [ 43 p. ]한국과학기술원 : 물리학과
Crystal growth and characterizations of nonlinear optical matrials
No full text학위논문(박사) - 한국과학기술원 : 물리학과, 1997.2, [ ii, 127 p. ]한국과학기술원 : 물리학과
Implantable Photovoltaic Cell Using Upconversion Nanoparticles for On-Demand Drug Delivery Devices
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Upconversion Nanoparticles/HA-Rose Bengal Conjugate Complex for Noninvasive Photochemical Tissue Bonding
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Upconversion Nanoparticles / Hyaluronate-Rose Bengal Conjugate Complex for Noninvasive Photochemical Tissue Bonding
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Pontocaris major Chan 1996
No full textPontocaris major Chan, 1996 Pontocaris major Chan, 1996: 304, fig. 13. Material examined. South China Sea. 1 male (cl 14.3 mm), MBM 228666, CN 30, 5° 35 'N, 114 ° 51 'E, 206 m, mud, AT, 29 Jul 1988; 1 female (cl 16.9 mm), MBM 228649, CN 32, 5° 40 '04'N, 112 °05' 99 'E, 170 m, muddy sand, AT, 31 Jul 1988. Distribution. South China Sea, Philippines, at depths of 116–457 meters. Remarks. The present specimens agree well with the original descriptions and illustrations by Chan (1996). The body is large and robust, the dactylus of the fifth pereiopod is strongly modified, the sixth thoracic sternite bears a large median tooth, the second abdominal tergite has the lateral sinuous ridges interrupted, the third abdominal tergite has the lateral sinuous ridges continuous, the sixth abdominal somite has two pairs of dorsolateral spines, the fifth abdominal somite lacks a dorsolateral spine, the abdominal pleura are all ventrally acute and elongate. The species has not been previously recorded from the South China Sea.Published as part of Han, Qingxi & Li, Xinzheng, 2008, Records of the crangonid shrimp genus Pontocaris Bate, 1888 (Crustacea: Decapoda: Caridea) from Chinese waters, with notes on biology of P. pennata Bate, 1888, pp. 47-62 in Zootaxa 1807 on page 49, DOI: 10.5281/zenodo.18271
Helical structure of the waves propagating in a spinning Timoshenko beam
No full textThe aim of the paper is to study the cause of a frequency-splitting phenomenon that occurs in a spinning Timoshenko beam. The associated changes in the structure of the progressive waves are investigated to shed light on the relationship between the wave motion in a spinning beam and the whirling of a shaft. The main result is that travelling bending waves in a beam spinning about its central axis have the topological structure of a revolving helix traced by the centroidal axis with right-handed or left-handed chirality. Each beam element behaves like a gyroscopic disc in precession being rotated at the wave frequency with anticlockwise or clockwise helicity. The gyroscopic effect is identified as the cause of the frequency splitting and is shown to induce a coupling between two interacting travelling waves lying in mutually orthogonal planes. Two revolving waves travelling in the same direction in space appear, one at a higher and one at a lower frequency compared with the pre-split frequency value. With reference to a given spinning speed, taken as clockwise, the higher one revolves clockwise and the lower one has anticlockwise helicity, each wave being represented by a characteristic four-component vector wavefunction.Two factors are identified as important, the shear-deformation factor q and the gyroscopic-coupling phase factor ?. The q-factor is related to the wavenumber and the geometric shape of the helical wave. The ?-factor is related to the wave helicity and has two values, +?/2 and ??/2 corresponding to the anticlockwise and clockwise helicity, respectively. The frequency-splitting phenomenon is addressed by analogy with other physical phenomena such as the Jeffcott whirling shaft and the property of the local energy equality of a travelling wave. The relationship between Euler's formula and the present result relating to the helical properties of the waves is also explored
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