A dual circularly polarized (CP) omnidirectional antenna based on slot array in coaxial cylinder structure is presented in this paper.It is constructed by perpendicular slot pairs around and along the axis of the coaxial cylinder to realize the omnidirectional CP property, and two ports are assigned in its two sides as left hand circularly polarize
Lantibiotics are ribosomally synthesized (methyl)lanthionine whirlwind multi selector containing peptides which can efficiently inhibit the growth of Gram-positive bacteria.As lantibiotics kill bacteria efficiently and resistance to them is difficult to be obtained, they have the potential to be used in many applications, e.g.in pharmaceutical indu
The article reports on the findings bg tuley of a qualitative sociologicalstudy conducted between June and December 2012 with 17 self-identified gay male academics on their experiences in South African tertiary education.Adopting a queer theoretical critique of the process of self-reflexivity, the research focused on how the participants experience
In the past three decades Qatar, Abu Dhabi and Dubai have realised a meteoric economic rise.Whereas the former two can be considered ‘rentier states’ heavily depending on oil (and gas) revenues, the latter only leans on oil for a mere 6% of its gross domestic product (GDP).Although the economic rise has brought considerable welfare, it
Hand gesture-based interaction provides a natural and powerful means for human-computer interaction.It is also a good interface for human-robot interaction.However, most of the existing proposals are likely to fail when they meet some turkey airpods skin-coloured objects, especially the face region.In this paper, we present a novel hand tracking me