Duplication, duplication

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چکیده

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Complete colonic duplication in children

Background: Complete colonic duplication is a very rare congenital anomaly that may have different presentations according to its location and size. Complete colonic duplication can occur in 15% of gastrointestinal duplication. We report two cases of complete colonic duplications, and their characteristics. Case Presentation: We present two patients with complete colonic duplication with differ...

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Urethral duplication.

Urethral duplication is a rare congenital anomaly. Although a number of theories have been proposed to describe the embryology of the condition, the actual mechanism of the disorder is still unclear. We report here a case of urethral duplication in a 11-year-old boy complaining of a double stream, and review the current literature on this rare entity.

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On Finding Duplication and Near-Duplication in Large Software Systems

This paper describes how a program called dup can be used to locate instances of duplication or nearduplication in a software system. D u p reports both textually identical sections of code and sections that are the same textually except for systematic substitution of one set of variable names and constants for another. Further processing locates longer sections of code that are the same except...

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Pyloroduodenal Duplication Cyst: The Rarest Alimentary Tract Duplication

Pyloroduodenal duplication is the rarest alimentary tract duplication known so far. A 1-year-old female patient presented with abdominal pain, lump in the epigastrium and occasional vomiting. On ultrasound and CT scan of abdomen suspicion of duplication cyst was made. Operation revealed a duplication cyst along pylorus and first part of the duodenum. Excision of free part and mucosal stripping ...

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A Task Duplication Based Scheduling Algorithm for Avoiding Useless Duplication

In this paper, we propose a task duplication based scheduling algorithm for avoiding useless duplication. In our algorithm, task duplication is divided into two phases: a task fill phase and a task duplication phase. In the task fill phase, tasks are duplicated and allocated to idle time slots in used processors. Namely, the task fill phase does not require additional idle processors. The task ...

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ژورنال

عنوان ژورنال: Nature

سال: 2003

ISSN: 0028-0836,1476-4687

DOI: 10.1038/421031a