We have mapped the distribution of the rotation measure of the CSS source 3C 119 on milliarcsecond scales using VLBA observations obtained at three widely-separated frequencies in the available 8.4-GHz band. The resulting images at frequencies 8.16, 8.52, and 8.86 GHz demonstrate that the material associated with the large integrated rotation measure of the source is concentrated near the brigh...

The main problem for building a mosaic is the computation of the warping functions (homographies). In fact two cases are to be distinguished. The rst is when the homography is mainly a translation (i.e. the rotation around the optical axis and the zooming factor are small). The second is the general case (when the rotation around the optical axis and zooming are arbitrary). Some eecient methods...

Internal and external rotation of the femur plays an important role in defining the orientation of the patellofemoral joint, influencing contact areas, pressures, and cartilage stress distributions. The purpose of this study was to determine the influence of femoral internal and external rotation on stresses in the patellofemoral cartilage. We constructed finite element models of the patellofem...

The resistive wall mode ~RWM! poses a threat to many plasma confinement devices. The continuous rotation of the wall relative to the plasma makes it appear perfectly conducting, because of the skin effect, but this is ineffective if the perturbation locks to the wall. This raises the question of whether a nonuniformly rotating wall is more effective. In this paper we discuss the effect of such ...

Vestibular processing is fundamental to our sense of orientation in space which is a core aspect of the representation of the self. Vestibular information is processed in a large subcortical-cortical neural network. Tasks requiring mental rotations of human bodies in space are known to activate neural regions within this network suggesting that vestibular processing is involved in the control o...

introduction: the aim of this study was to compare the changes that occur in the danger zone (dz) after preparation of curved mesiobuccal (mb) canals of mandibular first molars with waveone instruments in two different movements [reciprocation (rcp) and counter-clockwise rotation (ccwr)] by means of cone-beam computed tomography (cbct). methods and materials: mb canals of 30 mandibular molars w...

abstract in order to determine efficacy of some registered graminicides in control of resistant and susceptible ryegrass biotypes, two greenhouse trials were conducted at weed research department of iranian plant protection research institute during 2007. experimental design was completely randomized design with eight replications. the susceptible and resistant biotypes were treated by 19 herbi...

Two-dimensional (2D) optical scanners with large-area mirrors and large angular rotation are of great interest for applications in display, printing, optical scanning and sensing, optical data storage, and free-space optical links between satellites. The Micro-Electro-Mechanical System (MEMS) technology is very attractive to reduce the size, weight, and complexity of the optical scanners. Sever...