The paper explores the relationship between family businesses (FB), communities of practice (CoP), and entrepreneurship education in the context of the knowledge production and sharing within and between these communities. The relationship between these three spheres of knowledge is presented from a transdisciplinary point of view. The contextual legitimacy identifies the communicational channels between the fields of family businesses and the communities of practice and entrepreneurial education in a transdisciplinary generative synergistic context. The notion of CoP suggests that organizational community boundaries do not correspond with typical functional boundaries, including practice - and person - based networks, while family businesses underlie the necessity of sustainable business education which can be achieved through collaborative interaction in a creative entrepreneurial framework. The paper proposes to find the common ground of the three fields of knowledge and the way these points develop new knowledge windows towards a new entrepreneurial understanding of life, and generating new alternatives.
Magnetic properties are presented of amorphous wires covered by glass, with the compositions Fe65B15Si15C5, Fe60B15Si15Cr10, and Fe40Ni40P14B6, which were prepared by melting the alloy in glass tubes and drawing fibers from the softened glass. The magnetization, the remanence, and the coercive force of the samples covered by glass, and of those obtained after removing the glass cover, were measured at a field of 2054 A/m. These amorphous wires have a square-shaped hysteresis loop, a value of the coercive force ranging between 255 and 462 A/m and an axial magnetization of 0.21–0.32 T for different compositions. The glass removal leads to an increase in magnetization and a decrease in the coercive force. The influence of a passing dc current through the wire during measurements has also been studied, influence that is much pronounced in the case of the wires obtained after removing the glass cover. The observed different magnetic properties of the amorphous magnetostrictive wires are attributed to the difference in internal stress distribution produced during preparation of the samples.
The present paper highlights a series of introduction aspects of the rotational system for slush plastic casting, which are the characteristic elements of this fabrication technology and which consists of the rotational molding. Also, the structure of a rotational mold and the methods used to obtain the mold, are presented. The purpose of this research is to describe the parametric design of a rotational mold and its fabrication process. The research method used to accomplish this purpose consist of the CAD -Modelling specific software utilized to carry out the parametric design of the rotational mold. After the parametric design it was adopted the manufacturing technology of the mold, using a CAM specific software. In the final part of the research a few important conclusions were drawn from the bibliographical study and from personal convictions.
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