Search results for "Timo"
showing 10 items of 2111 documents
Arsenic, antimony and bismuth complexation by L-cysteine in water
1984
Synthese, dans l'eau, des complexes L-cysteine: AsL 3 , SbL 3 •H 2 O et BiL 3 .H 2 O L=forme monoanionique de cysteine. Etude IR des structures
Zirconocene [Cp2Zr] synthon and benzynezirconocene complexes as tools in main group element chemistry
1998
Abstract Interactions between zirconocene or benzyne zirconocene and unsaturated species incorporating main group elements lead to a variety of new metallaheterocycles. Efficient new methodologies of regiospecific syntheses of mono-, bi-, or tricyclic systems incorporating phosphorus, nitrogen, selenium, antimony, germanium or tin are reported.
Preparation, crystal structure, and infrared characterization of the first thiocyanato-oxy-antimonate(III) [(CH3)4N]2[Sb6O4(NCS)12]
1995
The salt [(CH3)4N]2[Sb6O4(NCS)12] is the first identified thiocyanato-oxy-antimonate(III) complex. Reported are details of the synthesis, relevant infrared data and its x-ray structure. The compound crystallizes in the triclinic space group P1 with Z = 2 (C10H12N7O2S6Sb3) and unit cell dimensions a = 11.314(6), b = 12.846(3), c = 8.679(2) A; α = 91.93(3)°, β = 90.31(3)° and γ = 99.13(3)°. It contains centrosymmetric [Sb6O4(NCS)12]2− anions packed with isolated tetramethyl-ammonium cations. The fundamental structural element of the anion is provided by the fusion of three SbOSbO rings forming a zig-zag portion of a ribbon, only slightly pleated. Peculiar is the unequivalence of the six thioc…
Synthesis and characterization of some arsenic, antimony and bismuth complexes of 2-mercaptoaniline
1983
Abstract The complexes of arsenic, antimony and bismuth as well as phenylantimony and phenylbismuth with monoanionic 2-mercaptoaniline are reported. IR spectra are consistent with chelating behaviour of the ligand but only a weak nitrogen to metal bonding interaction is advanced. The mass spectra fragmentation pattern is also presented. It can be interpreted with the loss of successive ligand units and, as a general feature, the abundance of a given ion decreases as the mass of the metal increases. Species with one or two protons less give more intense peaks possibly corresponding to ions containing the dianionic form of the ligand.
Les collocations intensives dans la poésie de Villon et leurs traductions en espagnol et en catalan
2022
L'expression de l'intensité a suscité l'intérêt de nombreux chercheurs en ce qui concerne le français contemporain, il n'en est pas de même pour le français médiéval. Dans le cadre du projet COLINDANTE, nous nous sommes attachées à observer comment elle se manifestait chez un auteur comme Villon. En nous basant sur la notion de collocation de la théorie Sens-Texte, nous nous sommes centrées sur un des types d'intensifieurs possibles : les comparaisons en comme et nous en avons fait un inventaire complet. Dans notre article nous nous proposons tout d'abord de préciser brièvement le cadre théorique qui soutient notre recherche notamment la notion de collocation, pour analyser ensuite les diff…
Per un'educazione interculturale. Proposte, analisi, testimonianze
2011
I contributi qui presentati costituiscono la versione rivista e ampliata degli interventi formativi realizzati da relatori in occasione del convegno svoltosi il 23 marzo 2011, intitolato “Cinematografia ed educazione interculturale: una finestra aperta verso il dialogo”, organizzato dai docenti del corso di laurea in Scienze dell’Educazione della Facoltà di Scienze Umane e Sociali dell’Università degli Studi di Enna «Kore» e rivolto prevalentemente agli studenti iscritti al predetto corso di studi. Il convegno ha preso le mosse dalla proiezione del mediometraggio Amira (2010) curato da Davide Vigore, giovane regista ennese. La visione, durata circa 44 minuti, è stata proposta agli studenti …
New development opportunities for the craft brewing segment: the case study of a micro-malthouse
2017
In Italy in the past few years, the number of small breweries penetrating the craft beer sector has grown exponentially. Craft producers intend to give a strong added value and a local character to their production in different ways. One of these is the use of malt derived from small batches of local cereals and pseudo cereals. The aim of this study is the assessment of investment profitability, through a cost-benefit analysis (CBA), for a compact and a modular micro-malting plant in Sicily (Southern Italy). The CBA for a micro-malthouse was carried out considering both installation and operating costs. Net present value (NPV), discounted benefit-cost ratio (DBCR) and internal rate of retur…
Multimodal Intraoperative Neuromonitoring in Aneurysm Surgery
2017
Following aneurysmal subarachnoid hemorrhage, the primary goal of treatment is to exclude the vascular malformation from the intracranial circulation, while preserving the parent artery. In unruptured aneurysms, the decision whether to treat or observe the malformation is made on a case-by-case basis. In this regard, the ISUIA (International Study of Unruptured Intracranial Aneurysms) investigators suggested that aneurysm size and location were independent predictors for aneurysm rupture.1 ISUIA examined 1692 patients with cerebral aneurysms with a mean follow-up time of 4.1 years. Rupture rates differed depending on size and location, ranging from 0% in aneurysms <7 mm located in the in…
Dinamiche competitive dei principali prodotti ittici in Italia: possibili strategie di intervento
2011
Over the last few years, the Italian fishery sector has showed a tendential reduction in the economic performance because of the contraction of the value of the product, as a result of the fall in the catches and in the production average prices of the main species, and of the growing operational costs. Therefore, the contraction of the National supply is balanced by the imports which, in terms of value in the reference period tested in the current study (2003/04 – 2007/08) have grown, causing a further burdening in the absolute value of the Italian trade balance. The outlined background is made further worse by the slowdown, in few years, in the rise in the fishery products consumptions, d…
Methodological approaches to the valuation of forest ecosystem services: An overview of recent international research trends
2021
Forests represent the most important source of ecosystem services (ES) on a global level both for the production of goods and for the provision of services and externalities, nevertheless scientific research in the economic field is lacking. Currently the number of documents relating to ES is 16 673, of which only 1 379 concern the forestry sector. The aim of this study is to provide an overview of scientific research trends in the field of economic evaluation of forest ecosystem services (FES). To this end, an on-line bibliographic survey was carried out on the main scientific search engines, which made it possible to quantify the works and at the same time to detect the main evaluation me…