Search results for "Guide"
showing 10 items of 1478 documents
Guida subacquea per apneisti non vedenti
2012
Modular and removable structure, variable in height, to be fixed/anchored to the bottom of the swimming pool/tank through sliding tracks suitable for the two cables located at both sides of the swimming-pool along the same modules.On the one hand, the diving guide was designed to allow blind divers to move inside the pool autonomously and safely, without the help of instructors even when more than one diver is present in the pool/lane. On the other hand, the diving guide can be stretched to reach various lengths when needed.
Gli operatori economici nel labirinto dei gravi illeciti professionali e il periodo triennale di esclusione dalla gara dall’accertamento definitivo
2019
In the presence of a difficult system, such as that of serious professional offences, art. 80, paragraph 5, lett. c), Legislative Decree no. 50 of 2016, this work aims, first of all, to identify possible solutions suitable for avoiding choices of exclusion from the tender, potentially arbitrary, by the station contractor and to ensure a tender procedure based on compliance with the principle of certainty of law and on the constitutional principles referred to in Articles 3, 41 and 117, paragraph 2 lett. e), Constitution. We then focus on the issue of the temporal relevance of serious professional offences, such as significant deficiencies in the execution of a previous procurement contract,…
Minimal information for studies of extracellular vesicles 2018 (MISEV2018):a position statement of the International Society for Extracellular Vesicl…
2018
The last decade has seen a sharp increase in the number of scientific publications describing physiological and pathological functions of extracellular vesicles (EVs), a collective term covering various subtypes of cell-released, membranous structures, called exosomes, microvesicles, microparticles, ectosomes, oncosomes, apoptotic bodies, and many other names. However, specific issues arise when working with these entities, whose size and amount often make them difficult to obtain as relatively pure preparations, and to characterize properly. The International Society for Extracellular Vesicles (ISEV) proposed Minimal Information for Studies of Extracellular Vesicles ("MISEV") guidelines fo…
A hybrid evolution strategy for the open vehicle routing problem
2010
This paper presents a hybrid evolution strategy (ES) for solving the open vehicle routing problem (OVRP), which is a well-known combinatorial optimization problem that addresses the service of a set of customers using a homogeneous fleet of non-depot returning capacitated vehicles. The objective is to minimize the fleet size and the distance traveled. The proposed solution method manipulates a population of @m individuals using a (@m+@l)-ES; at each generation, a new intermediate population of @l offspring is produced via mutation, using arcs extracted from parent individuals. The selection and combination of arcs is dictated by a vector of strategy parameters. A multi-parent recombination …
SU-8 viļņvadu izveide ar tiešā ieraksta lāzera litogrāfijas tehniku un to optisko īpašību raksturošana
2016
Kopš 20.gs. beigām lieli pūliņi ieguldīti telekomunikāciju attīstībā, arvien tiek meklēti jauni materiāli, lai aizvietotu elektroniskās komponentes integrētajās shēmās, jo tās ir ierobežojošais faktors informācijas pārvades ātrumam. Viens no risinājumiem būtu veidot shēmas, kas satur tikai optiskās komponentes. Optisko komponenšu pamatā ir viļņvadi, kuriem jābūt ar noteiktām optiskām īpašībām. Viena no perspektīvākajām materiālu klasēm pielietojumiem fotoniskās integrālās shēmās ir organiskie materiāli. Darbā aprakstīta tīru un funkcionalizētu organisku SU 8 viļņvadu izgatavošana ar tiešā ieraksta lāzera litogrāfijas tehniku. Ir aprakstīti viļņvadu izgatavošanas soļi un metodes ierobežojumi…
Multipactor radiation analysis within a waveguide region based on a frequency-domain representation of the dynamics of charged particles
2009
[EN] A technique for the accurate computation of the electromagnetic fields radiated by a charged particle moving within a parallel-plate waveguide is presented. Based on a transformation of the time-varying current density of the particle into a time-harmonic current density, this technique allows the evaluation of the radiated electromagnetic fields both in the frequency and time domains, as well as in the near- and far-field regions. For this purpose, several accelerated versions of the parallel-plate Green's function in the frequency domain have been considered. The theory has been successfully applied to the multipactor discharge occurring within a two metal-plates region. The proposed…
Multiobjective muffler shape optimization with hybrid acoustics modelling
2010
Shape optimization of a duct system with respect to sound transmission loss is considered. The objective of optimization is to maximize the sound transmission loss at multiple frequency ranges simultaneously by adjusting the shape of a reactive muffler component. The noise reduction problem is formulated as a multiobjective optimization problem. The sound attenuation for each considered frequency is determined by a hybrid method, which requires solving Helmholtz equation numerically by finite element method. The optimization is performed using non-dominated sorting genetic algorithm, NSGA-II, which is a multi-objective genetic algorithm. The hybrid numerical method is flexible with respect …
Äänenvaimentimien mallinnuspohjainen monitavotteinen muodonoptimointi
2011
Multiobjective muffler shape optimization with hybrid acoustics modelling
2011
This paper considers the combined use of a hybrid numerical method for the modeling of acoustic mufflers and a genetic algorithm for multiobjective optimization. The hybrid numerical method provides accurate modeling of sound propagation in uniform waveguides with non-uniform obstructions. It is based on coupling a wave based modal solution in the uniform sections of the waveguide to a finite element solution in the non-uniform component. Finite element method provides flexible modeling of complicated geometries, varying material parameters, and boundary conditions, while the wave based solution leads to accurate treatment of non-reflecting boundaries and straightforward computation of the …
”Mies kaatuu sinänsä kunniakkaasti” – psykoanalyyttinen luenta miesten terveysoppaista
2018
Artikkelissa kysytään, millainen on miehisen terveyskäyttäytymisen kulttuuriperintö; millä tavalla menneisyys, yhteiskunta, tavat ja arvot ovat miesten terveyden edistämiseen tähtäävissä teksteissä läsnä, ja miten ne toimivat. Artikkelin aineistona on kymmenen vuosina 1998–2010 julkaistua suomalaista, miehille suunnattua terveys- ja hyvinvointiopasta. Aineistoa lähestytään kulttuuriperinnön tutkimuksen näkökulmasta ja analyysissä käytetään kristevalaista psykoanalyyttista luentaa. Oppaiden terveysneuvonta perustuu käsitykselle miehestä, jonka terveyskäyttäytymiseen ja -ongelmiin vaikuttavat biologia ja myyttinen menneisyys. Oppaissa tulkinta kulttuuriperinnöstä esitetään samanlaisella varmu…