Search results for "gall"
showing 10 items of 903 documents
Raman scattering and infrared reflectivity in [(InP)5(In0.49Ga0.51As)8]30 superlattices
2000
6 páginas, 6 figuras, 1 tabla.
Diffusion stabilizes cavity solitons in bidirectional lasers
2009
We study the influence of field diffusion on the spatial localized structures (cavity solitons) recently predicted in bidirectional lasers. We find twofold positive role of the diffusion: 1) it increases the stability range of the individual (isolated) solitons; 2) it reduces the long-range interaction between the cavity solitons. Latter allows the independent manipulation (writing and erasing) of individual cavity solitons.
Different Sorption Behaviors for Wine Polyphenols in Contact with Oak Wood
2007
The evolution of polyphenols of enological interest- monomeric anthocyanins, (+)-catechin, (-)-epicatechin, gallic acid, and trans-resveratrol-in the presence of oak wood was investigated in aging-model conditions. Disappearance kinetics showed that, except for gallic acid, all of the wine polyphenols tend to disappear from the model wine in presence of oak wood, to reach an equilibrium after 20 days of contact. At equilibrium, the higher disappearance rates were obtained for monomeric anthocyanins and trans-resveratrol with values of 20 and 50%, respectively. For monomeric anthocyanins, the rate of disappearance seemed to be independent of their nature. In order to evaluate the contributio…
Mixed-type circuits with distributed and lumped parameters as correct models for integrated structures
1991
The technology of integrated circuits imposes upon their designers the need to deal with structures with distributed parameters. Figure 4.1 shows a schematic diagram of part of a digital integrated chip, consisting of an n MOS transistor with gate (G), drain (D) and source (S) as terminals, and its thin-film connection with the rest of the chip. This on-chip connection can be made by metals (Al, W), polycristaline silicon (polysilicon) or metal suicides (WSi 2 ). Alternative materials to oxide-passivated silicon substrates are saphire and gallium arsenide (Saraswat and Mohammadi [1982], Yuan et al. [1982], Passlack et al. [1990]).
CCDC 171405: Experimental Crystal Structure Determination
2002
Related Article: F.Thomas, S.Schulz, M.Nieger, K.Nattinen|2002|Chem.-Eur.J.|8|1915|doi:10.1002/1521-3765(20020415)8:8<1915::AID-CHEM1915>3.0.CO;2-Z
La riforma in Italia della legittima difesa. Cornice dogmatica e pulsioni politico-criminali
2009
Il lavoro confronta con il diritto penale portoghese l'innovazione in tema di legittima difesa, introdotta in Italia con l. 2006 n.15 per i casi di legittima difesa c.d. domiciliare. Al di là delle differenti formulazioni dei rispettivi testi legali, emerge una vicinanza sostanziale fra i due sistemi penali rispetto all'esigenza della proporzione fra difesa ed offesa. Ciò conforta una interpretazione restrittiva della nuova formualazione italiana, che attribuisce al requisito della necessità della difesa un effetto calmierante rispetto ad applicazioni eccessivamente ampie della causa di giustificazione esaminata.
Tunable narrowband fiber laser with feedback based on whispering gallery mode resonances of a cylindrical microresonator.
2013
Narrowband filtering based on whispering gallery modes of a slightly tapered cylindrical optical microresonator was used to implement a tunable narrowband erbium-doped fiber laser. The laser can be set to emit a single longitudinal cavity mode (single frequency), although the laser cavity is a few meters long. In the single-frequency regime the laser can emit a maximum power of 0.380 mW with a linewidth <35 kHz and a signal-to-noise ratio exceeding 50 dB. Tunability is achieved by sliding the excitation point along the microcylinder. A tuning range of 1.16 nm is demonstrated.
EXPA, Galleria di Architettura, Grafica e Design
2006
EXPA é l'acronimo di Exhibition Palermo, un esplicito riferimento alla principale attività che si svolge nella galleria, quella espositiva, e alla sua precisa identità territoriale. La Galleria di architettura, grafica e design, é posta lungo la via Alloro nel quartiere storico della Kalsa. La sua collocazione geografica è uno dei fattori determinanti la scelta del caso, in quanto, insieme al complesso delle attività culturali' che vi si svolgono, costituisce i due aspetti non separabili del processo di valorizzazione e di diffusione della cultura del design, che si sviluppa attraverso una sinergia di collaborazioni tra enti pubblici e privati, dipartimenti e facoltà, studenti, laureati, pr…
ILEO BILIARE: DIAGNOSI E TRATTAMENTO. CASE REPORT
2006
The authors present a case of gallstone intermittent ileus caused by the passage of a big gallstone (about 4 cm in diameter) in the intestinal lumen, through a cholecystoduodenal fistula. They emphasize the peculiarity of the case for the characteristics of symptoms and for casual diagnostic check-up with a ultrasonography. The disease is not frequently diagnosed; today it has a safe recognition by modern imaging. The symptoms can be intermittent and, even when there are the classic signs of intestinal occlusion, the site of the occlusion is various. With a timely endoscopical or surgical approach (open or laparoscopic) it is possible to reduce mortality of patients treated in emergency.
STAATSTÄTIGKEIT UND MULTIPLIKATOR IN DEN SCHRIFTEN LUDWIG GALLS-EINE DOGMENGESCHICHTLICHE ERGÄNZUNG ZUR BESCHÄFTIGUNGSTHEORIE
1969
SUMMARY The German author Heinrich Ludwig Lambert Gall (1794-1863) who is characterized as socialist by the authors of histories of economic thought proposed a policy for full employment, based on the multiplier-principle and public expenditures financed by taxes, since 1822. Not Rodbertus but Gall was the first one describing the multiplier scheme. The interpretation of Gall's publications shows his important ideas about interventionism similar to the modern theory of full employment and the activity of the state.