In order to achieve integrated condition in the girth welding of high pressure natural gas transmission pipelines, the weld zones and its surrounding area should have good mechanical properties. Residual stresses are an important defect especially in the girth welding of the pipeline. In this study, two API X70 steel pipes (with spiral seam weld) of 56 inches outside diameter and 0.780 inch wal...

Introduction: The survival of an implant system is affected by the choice of antirotational design, which can include an external or internal hex. Implant success also is affected by the maintenance of the crestal bone around implants. The aim of present study was to evaluate the crestal bone loss and clinical parameters related to bone loss in patients loaded with an external or internal hex 3...

Generational product innovation (GPI) is an important but understudied form of strategic renewal strategy. The limited discussion of GPI in the organizational strategy literature argues that firms benefit from internally-driven GPI strategies, such as time-based pacing and serendipitous timing. While such internally-driven strategies may predominate when firms face diffuse competition, the lite...

The destination of tourism is a major element in tourism marketing. Branding tourism destination is a process by which a tourism destination develops its focal features, develops and delivers its main audience, can build a reputation, establish its reputation, strengthen slowly or even change, which is important for tourism purposes. Brand recognition is very important for communicating success...

The comparative performance of different systems of corporate governance, in turn, has been at the core of recent debates on how to reform financial market institutions. So far, the literature has treated the discussion of internal and external financial structures largely in isolation. However, few attempts have been made so far to combine these two strands of the literature and to analyze the...