This paper introduces a novel variation of the vee dipole antenna consisting of two coplanar vee dipoles with a common feed point. It is referred to as a double-vee dipole. Radiation characteristics of the double-vee dipole antenna are investigated numerically and experimentally. It is shown that the double-vee dipole can provide significantly higher directivity and lower sidelobes and back rad...

  Nonspecific activity-related arm pain is characterized by an absence of objective physical findings and symptoms that do not correspond with objective pathophysiology. Arm pain without strict diagnosis is often related to activity, work-related activity in particular, and is often seen in patients with physically demanding work. Psychological factors such as catastrophic thinking, symptoms of...

In this paper, a laboratory goniometer system for performing multi-angular measurements under controlled illumination conditions is described. A commercially available robotic arm enables the acquisition of a large number of measurements over the full hemisphere within a short time span making it much faster than other goniometers. In addition, the presented set-up enables assessment of anisotr...

Handbooks of human communication describe personal distance as a protective bubble surrounding our body and stress the role of sex (along with other cultural and situational factors) in stretching and shrinking it. Using data from a simulated dyadic interaction procedure, we show that putative effects of sex may be explained by effects of one’s arm length in same-sex and different-sex interacti...

African American Vernacular English (AAVE) and, more generally, African American English (AAE) are the most heavily studied group of dialects in North American English. Much of the enquiry has focused on morphosyntactic variation, but a significant amount has dealt with phonological and phonetic variables. Linguistic variables that can set AAE off from local European American varieties (EAE) in...

Although there have been no significant studies of the effects of different coupling chemistries, spacer arm length, or the nature of the functional group on the performance of ultrafiltration membranes, there is an extensive literature on these parameters in the field of chromatography. An optimal spacer arm ensures that the functional groups are placed a suitable distance from the surface of ...