Abstract Duplex stainless steel has been widely applied to industry. In this paper, nondestructive testing, chemical composition analysis, metallographic hardness test, and scanning electron microscope were used study the causes of crack in butt joint girth weld pipe flange. Both flange are duplex S31803. Through it was judged that a crystalline crack, generated welding process, which related p...

This paper explores whether words used to describe pipe organ ensembles have correlation with specific spectral features. Similar previous work has concentrated on single pipes in anechoic conditions (e.g. Rioux, 2001). This work examines pipe organ ensembles as a cohesive whole. Ninety-nine English-speaking subjects were asked to describe recordings of pipe organs. From the many timbral adject...

Up to 20 percent of the German sewerage systems are damaged mainly due to their high age. The estimation for the restoration costs is about 100 billions DM. As a consequence the German Government has issued comparably harsh environmental laws enforcing the owner of a sewerage system to check regularity its state by means of suitable inspection technology. However, at the present state of the ar...

This document contains additional comparisons of our approach and commercial software [1] on large real-world datasets. 1 Additional ExperimentsSection 2.3 of the paper introduced commercial software [1] as a state-of-the-art technique of pipe-run reconstruction. We purchased a license and used theirautomatical pipeline to reconstruct pipe-runs from the same dataset in Figure11 ...

Spatially regulated transcription of the pipe gene in ventral cells of the Drosophila ovary follicle cell epithelium is a key event that specifies progeny embryo dorsal-ventral (DV) polarity. pipe encodes ten putative protein isoforms, all of which exhibit similarity to vertebrate glycosaminoglycan-modifying enzymes. Expression of one of the isoforms, Pipe-ST2, in follicle cells has previously ...

Vortex-Induced Vibrations (VIV) are an important source of fatigue damage for risers in the Oil and Gas industry. Results from recent VIV experiments by Vandiver et al. [1] indicate significant dynamic strain energy at not only the Strouhal frequency, but also its harmonics. In certain regions of the pipe, these higher harmonics accounted for more that half of the measured RMS strain and increa...