The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

This is a preview. Log in through your library . Abstract The optical properties of rectangular subwavelength holes in a gold film are investigated using the light generated when a focused beam of ...

A description of a four-phase RC oscillator of a sinusoidal and rectangular shape is given. A triangular-shaped signal is obtained by the counterphase addition of half-waves of sinusoidal signals ...

The present paper deals with an application of Jacobi polynomial and multivariable H-function to solve the differential equation of heat conduction in a non-homogeneous moving rectangular ...