Magnetic Contact Switch In light of a general scenario of a two-level non-Hermitian PT-symmetric Hamiltonian, we apply the tetrad-based method to analyze the possibility of analogue Hawking radiation.We carry this out by making use of the conventional null-geodesic approach, wherein the associated Hawking radiation is described as a quantum tunneli
Being an integral and necessary element of buildings and structures, stairs is considered not from the common point of Standing Shelves view of regulation and construction, but in the presumption of the existence independent of our will, as if we knew nothing about stairs and, first seeing them, began to master them with surprise and inspiration.It
This article aims to review the available literature regarding the link between occupational exposure to pesticides and respiratory symptoms or diseases.Identification of epidemiological studies was performed using PubMed.41 articles were included, 36 regarding agricultural workers and five regarding industry workers.Among the 15 cross-sectional st
In order to study the performance of ceramic composite projectile penetrating into ceramic composite target, the contrast test and numerical simulations of the penetration of standard Watch Bands projectile and the ceramic composite projectile into a ceramic composite target were conducted.The results show that the penetration performance of cerami