Unit vectors are dimensionless vectors having a magnitud of 1. Unit vector are used to specify a given direction and have no other physical significance. They are used only in describing a direction in space. We shall use ...

2. We documented the within-host distribution of two vector species that differ in transmission efficiency, the leafhoppers Draeculacephala minerva and Graphocephala atropunctata, and which are free to move throughout ...

For the employment and entrepreneurship management of college students, the application of big data technology can effectively improve their work efficiency, that is, the support vector machine algorithm is applied to the ...

The free vibration displacement of an undamped hardening Duffing oscillator is described in exact form by a Jacobi elliptic function. Unlike an undamped linear oscillator, whose displacement is described by a trigonometric ...

Baiting studies performed in large, medium and small hospitals in Brazil revealed the presence of 14 ant species, with up to nine recorded in one hospital. Dominant species were exotic ants, and in the large hospital, ...

Esta revisión bibliográfica trata acerca del papel que juega el murciélago vampiro (Desmodus rotundus), como vector mecánico y reservorio de Trypanosoma evansi y T. equiperdum en América Latina.