نتایج جستجو برای: duplication
تعداد نتایج: 20172 فیلتر نتایج به سال:
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...
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....
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.
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...
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 ...
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...
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.
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.
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...
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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