Search results for "Bull"
showing 10 items of 345 documents
Information Exchange Supply Chain under inventory inaccuracy: a simulation study
2012
The objective of this paper is to contribute at quantifying the impact of inventory record inaccuracy on operational performance and customer service level in collaborative supply chains. To this purpose we analyse the impact of shrinkage errors in the inventory item recording activity in an “information exchange supply chain”, i.e. a supply chain in which companies share information about market demand and use such information for placing orders to their suppliers. We present the mathematical formulation of such a supply chain model and we conduct a numerical simulation and a sensitivity analysis over different level of errors.
Inflection points and topology of surfaces in 4-space
2000
We consider asymptotic line fields on generic surfaces in 4-space and show that they are globally defined on locally convex surfaces, and their singularities are the inflection points of the surface. As a consequence of the generalized Poincare-Hopf formula, we obtain some relations between the number of inflection points in a generic surface and its Euler number. In particular, it follows that any 2-sphere, generically embedded as a locally convex surface in 4-space, has at least 4 inflection points.
Focal adhesions are hotspots for keratin filament precursor formation
2006
Recent studies showed that keratin filament (KF) formation originates primarily from sites close to the actin-rich cell cortex. To further characterize these sites, we performed multicolor fluorescence imaging of living cells and found drastically increased KF assembly in regions of elevated actin turnover, i.e., in lamellipodia. Abundant KF precursors (KFPs) appeared within these areas at the distal tips of actin stress fibers, moving alongside the stress fibers until their integration into the peripheral KF network. The earliest KFPs were detected next to actin-anchoring focal adhesions (FAs) and were only seen after the establishment of FAs in emerging lamellipodia. Tight spatiotemporal …
Empirical model building based on Weibull distribution to describe the joint effect of pH and temperature on the thermal resistance of Bacillus cereu…
2002
Abstract A mathematical model based on Weibull parameters was built to describe the joint effect of temperature and pH on thermal inactivation of Bacillus cereus spores (strain INRA TZ415). The effect of these factors on Weibull model parameters ( β , 1/ α ) was also studied. Heat inactivation tests were carried out in acidified carrot broth as vegetable substrate, following a full factorial design at four levels for temperature (80, 85, 90 and 95 °C) and pH (6.2, 5.8, 5.2 and 4.7). The Weibull distribution model provided good individual fits for the different combinations of temperature–pH tested, with discrepancy factors, D f , coming close to 25% for most cases. The temperature and pH di…
Madness and Bestialization in Euripides’ Heracles. Οὔποτ' ἄκραντα δόμοισι Λύσσα βακχεύσει.
2013
Against a background of anxious evocation of Dionysiac rites, Euripides’ Heracles stages the extreme degradation of the tragic hero, who as a consequence of the hatred of a divinity loses his heroic traits and above all his human ones in the exercise of brutal violence. By means of comparing Heracles to a furious bull assailing its prey, the tragedian clearly shows the inexorability of the divine will and its arbitrariness, and emphasizes madness itself through images traditionally associated with the bull. However, the reference to monstrosity and animals does not involve only Heracles, but also concerns the representation of Lyssa, the demon of madness sent by Hera to induce Heracles to s…
Role of coefficient of thermal expansion on bond strength of ceramic veneered yttrium-stabilized zirconia
2017
Background Incompatible coefficient of thermal expansion (CTE) is supposed to be a reason for chipping of ceramic veneered zirconia. This study evaluates the effect of veneering ceramic at varied CTE on bond strength to zirconia. Material and Methods Zirconia disks (Z, O 10 mm, 1.0 mm thickness) were prepared from Y-TZP (Cercon®) and sintered at 1350°C for 6 hours. All zirconia disks were veneered with ceramics ((O 7.0 mm, 1.5 mm thickness) with varied CTE including VITADur® alpha (VDα), VITAVM®7 (VM7), VITAVM®9 (VM9), Cercon® ceramkiss (CCK), IPSe.max® ceram (IeC), and IPS dSIGN® (IdS) (n=15). The specimens were thermo-cycled (5-55 °C, 500 cycles) prior to determine the shear bond strength…
Effect of different sintering process on flexural strength of translucency monolithic zirconia
2018
Background Sintering process is responsible for the strength of zirconia restoration. This study evaluated the effect of different sintering temperatures and sintered-holding times on flexural strength of translucency monolithic zirconia. Material and Methods One hundred and thirty five zirconia bar specimens (width-length-thickness = 10×20×1.5 mm) were prepared from yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramic and randomly divided into nine groups to be sintered at different temperatures [decreasing- (SD, 1350°C), regular- (SR, 1450°C), and increasing- (SI, 1550°C) sintering temperature] and different sintered-holding times [shortening- (HS, 60 min), regular- (HR, …
Quality of wind speed fitting distributions for the urban area of Palermo, Italy
2011
Abstract This study investigates the wind speed characteristics recorded in the urban area of Palermo, in the south of Italy, by a monitoring network composed by four weather stations. This article has two main objectives: the first one, to describe with clarity and simplicity the numerical procedures adopted to perform a preliminary statistical analysis of wind speed data, providing at the same time, the necessary mathematical tools useful to perform this analysis also without special software. The second objective is to verify if there are more suitable probability distributions able to better represent the original data respect the traditional ones. After a preliminary statistical analys…
Starptautiskā uzņēmuma RED BULL mārketinga komunikāciju analīze klientu piesaistes kontekstā.
2016
Bakalaura darba tēma ir “Starptautiskā uzņēmuma Red Bull mārketinga komunikāciju analīze klientu piesaistes kontekstā”. Bakalaura darba mērķis ir, pamatojoties uz teorijā sniegtajām atziņām un mērķgrupas aptaujas rezultātiem, izpētīt mārketinga stratēģijas kompleksu uzņēmumā Red Bull klientu piesaistes kontekstā. Bakalaura darba tēma ir aktuāla, jo uzņēmums Red Bull radīja enerģijas dzērienu tirgu un pašlaik ir tirgus līderis, kā arī uzņēmums ieguvis atpazīstamību, ne tikai pateicoties Red Bull enerģijas dzērienam, bet arī mārketinga stratēģijai, kas mainīja cilvēku uzskatu, par to kādam ir jābūt mārketingam. Darba gaitā tiek analizēts mārketinga komunikāciju teorētiskais raksturojums un to…
La violenza indicibile. l'aggressività femminile nelle relazioni interpersonali
2012
L’espressione della violenza nelle relazioni familiari è da alcuni anni oggetto di interesse in ambito sociologico, psicologico e giuridico. Le riflessioni teoriche e gli studi empirici sul tema hanno dato ampio spazio prevalentemente all’esercizio di violenza da parte dell’uomo lasciando sullo sfondo altre tipologie di relazioni disfunzionali ove la violenza viene invece perpetrata dalla donna. L'aggressività femminile è, invece, tutt'altro che rara, e se esiste un generale consenso sul fatto che gli uomini mostrino livelli più elevati di aggressione fisica rispetto alle donne, è pur vero che le differenze risultano essere piccole e moderate, evidenziando che anche le donne possono essere …