An ideal dynamical system should not generate any vibrations, because vibrations mean a loss of energy. Vibration in planetary precessional gear box occurs at bearings, gear wheels, misaligned shafts, imbalance rotating ...

Within the same species and breeds the lactation period has a great influence on the total ash content. Milk collected in December compared with samples in August has a larger increase in ash content, this increase is more ...

Deformation of bodies changing over time until reaching the balance between internal and external forces. In the present work, for description of the rheological behaviour of the beam resting on the deformable medium, was ...

Goat milk quality depends on factors such as breed, number and stage of lactation, health status, region, diet, and has a predominant influence on the quality of subsequent goat milk products. The main objective of present ...

In this paper are presented some aspects regarding the method of simulation of composite materials testing with finite element analysis software. There were simulated tensile and shear tests of specimens manufactured from ...

This article presents the results of the investigation of gypsum hydration processes in the presence of carbon nanomodifiers. The hemihydrate calcium sulphate molecule interaction with graphene-like surface is the chemical ...

Today, most of the energy needed for daily consumption is produced by burning fossil fuels - coal, oil and natural gas. Several million years, plants and animals decomposing led to the formation of fossil fuels, which, ...

În articol se prezintă o abordare complexă a procesului creativităţii, fiind explorat în special aspectul psihanalitic al acestei probleme. De asemenea se prezintă unele informaţii privind caracterul gândirii la personalităţi ...