Welding thermomechanically-strengthened materials is accompanied with certain difficulties in terms of loss strength characteristics the zone thermal influence. This issue can be resolved by using technological welding schemes that include fusion a narrow contact area. One such scheme electron beam welding, which currently widely used to fabricate structures from refractory and chemically activ...

The response of ground-dwelling spider assemblages to edges created by wildfire was compared to their response to clear-cut edges in black spruce forests in eastern Canada. For each disturbance six edge transects 100 m long were established. Spiders were collected with pitfall traps 10 m apart from 50 m inside the disturbances to 50 m in the forest interior. Measurements of the forest floor str...

Complex spike activity of floccular Purkinje cells responds to patterns of rotational optic flow about the vertical axis (rVA neurons) or a horizontal axis 45 degrees to the midline (rH45 neurons). The pigeon flocculus is organized into four parasagittal zones: two rVA zones (zones 0 and 2) interdigitated with two rH45 zones (zones 1 and 3). Climbing fiber input to the rVA and rH45 zones arises...

I read in your Journal, with great interest, the paper by Veiga and coworkers about two cases of clear cell acanthomas located in the nipple area, with histological and immunohistochemical studies. They claim in the discussion, that only five cases had been previously described in the English literature and all affecting Korean women. Four of these cases mimicked chronic eczema. Two new cases w...

Although uncommonly diagnosed, clear cell acanthoma represents an original source of speculative interest for dermatologists. Due to its clinical variability, it is often only recognized accidentally after histology. Dermoscopy has improved the reliability of clinical diagnosis of typical clear cell acanthoma thanks to the vascular pinpoint pattern and desquamative, peripheral collarette. Gener...

Remington (1968) argued that 13 suture zones exist in North America. Remington defined a suture zone as, "a band of geographic overlap between major biotic assemblages, including some pairs of species or semispecies which hybridize in the zone" (p. 322). Although initially controversial, the idea that suture zones exist has picked up momentum over the past decade, due largely to the phylogeogra...

BACKGROUND Clear cell sarcoma of soft parts is most commonly found associated with the tendons and aponeuroses of distal extremities in young adults with a peak incidence in the third decade. Location in the abdominal wall and in a child is very rare. CASE PRESENTATION A nine-year-old female child presented with a swelling in the anterior abdominal wall in the suprapubic region. Fine needle a...

This paper evaluates the sustainable development of cross-border e-commerce pilot zones and their impact on regional economic growth. A comprehensive performance evaluation system is constructed to assess degree in first five batches China between 2011 2020, which reveals significant differences a clear “Matthew effect”. We also quantify specific role promoting growth; specifically, we demonstr...