نتایج جستجو برای: duplication

تعداد نتایج: 20172  

Journal: :Journal of physics 2023

Abstract This study proposes a design method for RSFQ stochastic computing (SC) circuits. The generates circuits with improved accuracy compared to previously proposed method. improvement in is realized using partial duplication. SC requires large number of clock cycles obtain calculation result owing lengthy observation the output bitstream. can either enhance while maintaining latency or miti...

Journal: :AJNR. American journal of neuroradiology 2003
Manohar Shroff Susan Blaser Vanita Jay David Chitayat Derek Armstrong

Pituitary duplication is a rare malformation, reported previously in approximately 18 patients. It is usually unsuspected before imaging, although it occurs most commonly in association with complicated midline and skull base anomalies. It is easily shown by MR imaging. Five new cases of pituitary duplication were diagnosed by using MR imaging studies reviewed at the Hospital for Sick Children....

2007
Ankur Srivastava Ryan Kastner Majid Sarrafzadeh

On The Complexity Of Gate Duplication Ankur Srivastava, Ryan Kastner and Majid Sarrafzadeh Computer Science Department, University of California Los Angeles Abstract|In this paper we show that both the global and local gate duplication problems for delay optimization are NP-complete under certain delay models. Keywords|Gate Duplication, required time, satis ability, VLSI, NP-Completeness.

2017
Pyong Wha Choi Mee Joo

Introduction: A duplication cyst in the alimentary tract is a rare congenital anomaly that most often occurs in the small bowel and rarely occurs in the colon. Most cases in the small bowel are diagnosed at childhood due to complications or symptoms caused by the duplication cyst. However, duplication cysts in the colon are often asymptomatic, despite resulting in rare complications, such as ob...

Journal: :Molecular biology and evolution 2007
Catrióna R Johnston Colm O'Dushlaine David A Fitzpatrick Richard J Edwards Denis C Shields

Gene duplication and loss are predicted to be at least of the order of the substitution rate and are key contributors to the development of novel gene function and overall genome evolution. Although it has been established that proteins evolve more rapidly after gene duplication, we were interested in testing to what extent this reflects causation or association. Therefore, we investigated the ...

2013
Amir Halilbasic Fahrija Skokic Nesad Hotic Edin Husaric Gordana Radoja Selma Muratovic Nermina Dedic Meliha Halilbasic

Lung agenesis and gastric duplication cysts are both rare congenital anomalies. Gastric duplication cysts can present with nausea, vomiting, hematemesis, or vague abdominal pain. Unilateral pulmonary agenesis can present with respiratory distress which usually occurs due to retention of bronchial secretions and inflammations. We report the unique case of right pulmonary agenesis associated with...

Journal: :Journal of medical genetics 1988
A Serotkin J Stamberg L Waber

We describe an infant with multiple dysmorphic features who is mosaic for duplication 17q21.1----qter, owing to a direct tandem duplication. He is the first case with mosaicism for a 17q duplication to be reported. His features are strikingly suggestive of Ellis-van Creveld syndrome.

Journal: :Chang Gung medical journal 2011
Hao-Cheng Chang Shih-Chiang Huang Tse-Ching Chen Ming-Wei Lai Shih-Yen Chen Jin-Yao Lai

Colonic duplication is a very rare congenital anomaly that is usually detected in infancy and early childhood. In the English literature, 6 cases of Y-shaped colonic duplication have been reported since 1953. We conducted a review of the reported cases, and we present a new case of a Y-shaped duplication of the sigmoid colon manifesting as long-term abdominal pain and constipation.

2007
Jakob Enemark Kim Sneppen

Background: Duplication of genes is important for evolution of molecular networks. Many authors have therefore considered gene duplication as a driving force in shaping the topology of molecular networks. In particular it has been noted that growth via duplication would act as an implicit way of preferential attachment, and thereby provide the observed broad degree distributions of molecular ne...

2010
Murat Dayanc Hasan Cem Irkilata Yusuf Kibar Yasar Bozkurt Seref Basal Ajet Xhafa

Urethral duplication is a rare congenital anomaly of the lower urinary system and has varied presentation. According to the Effmann classification, type IIA2-Y urethral duplication is characterized by the duplicated urethra originating from the bladder neck and opening into either the rectum or the perineum. The accessory urethra is normal and functional and the normally positioned dorsal ureth...

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