63 research outputs found
Caratteristiche richieste agli organi meccanici: la resistenza all’usura, alle pressioni specifiche e alla fatica
The morphemes of the eyelids
The paper presents some empirical studies aimed at singling out the meanings of specific items of gaze. It further argues that the values on some parameters of gaze items are not comparable to phonemes in a verbal language, but rather to morphemes, since by themselves they convey some specific meanings. A fourth study is presented that, through qualitative analysis of open questions, finds recurrent meanings in items of gaze with wide open upper eyelids and half closed open eyelids
Effetto del trattamento termico superficiale sulla resistenza al pitting di ruote dentate
I ciottoli decorati di Paglicci: raffigurazioni e utilizzo
This paper analyzes nine pebbles coming from the mobiliary art assemblage of Paglicci cave (Foggia - Italy).
The principals aims of the study are: 1) to understand the production process of artistic incisions on the pebbles, through the study of the engravings, as the starting point
for deciphering their symbolic and cognitive value. The importance of re-enacting the sequence of actions which led to the creation of the artistic object is given not only by the possibility to understand in depth the technique employed during such events, but, more importantly, by the possibility to test their cultural significance.
2) To assess the cultural value of the artistic production, also through functional analysis. The identification of use-wear
traces on such objects, or at least on those which possess the necessary characteristics to suggest their likely utilization, is undertaken in an attempt to find out whether such objects were used before and/or after they were engraved.
Use-wear analysis has highlighted that the majority of pebbles has been used as retouchers or hammer stones (active percussion).
All pebbles have been used before being engraved. This observation may suggest that pebbles, at a certain moment, lost a functional value for a different one
Caratteristiche e proprietĂ di un acciaio 42CrMo4 sottoposto a cromatura dura, nitrurazione gassosa e nitrurazione ionica,
Influence of the temperature on the hot deformation process of aluminium matrix composite
Effetto dei processi di deformazione plastica a caldo sulla tenacitĂ alla frattura e sulla microstruttura del composito 2124/SiCp
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