Although the matrix-rings M(m; R) (R is a unital commutative ring) are unital rings, yet their classical direct limit is a non-unital ring. It is presented a direct system of matrix-rings that has a unital ring as a direct limit.

Now a days Permanent Magnet synchronous motors are widely used in industrial applications. In a reconfigurable assembling condition, control framework design needs creative ways to deal with face the fast changes in hardware ...

The resolution of a signal direction of arrival (DoA) estimation can be enhanced by an array antenna system with innovative signal processing. Super resolution algorithms take advantage of array structures to better process ...

La prémisse de notre démarche réside dans l’observation rapportée à l’existence d’une perception sur le discours institutionnel de type signature, selon laquelle il est encadré dans la sphère du discours publicitaire. ...

The examination of the ECG can benefit in diagnosing the greater part of the heart illness. The electrocardiogram (ECG) gives all data about electrical action of the heart. Changes in the typical beat of a human heart may ...

Nitrogen oxides, especially nitrogen dioxide, are pollutant substances that can affect the human health and the environment. Nitrogen dioxide emissions are important sources in the production of green house effect and ...

The present study explores medical students’ perceptions of communication barriers between doctors and patients, with a particular focus on how these barriers influence patient behaviour and, consequently, the quality of ...

Resource allocation is very essential at the base station (BS) to have a fair allocation of resources among the users. Orthogonal Frequency Division Multiple Access (OFDMA) allows many users to transmit simultaneously on ...

The development of the English language is regarded as a continuous process in which its daily usage plays an essential role. The historical events are also considered a contributing factor since their impact on the ...

Amongst many control techniques developed and used for induction motor drives, Flux or Field oriented control is probably the most popular control method used for high-performance induction motor applications. The field ...