نتایج جستجو برای: replication slippage

تعداد نتایج: 104069  

Journal: :Memoirs of the Faculty of Science, Kyushu University. Series A, Mathematics 1968

2017
Charles C. Traverse Howard Ochman

Advances in sequencing technologies have enabled direct quantification of genome-wide errors that occur during RNA transcription. These errors occur at rates that are orders of magnitude higher than rates during DNA replication, but due to technical difficulties such measurements have been limited to single-base substitutions and have not yet quantified the scope of transcription insertions and...

2011
Masahiro Ohka Yiru Zhou Xuecheng Yin

Problem statement: Although a conventional tactile display can generate distributed pressure, our tactile mouse can generate not only distributed pressure but also slippage force. In previous works, this tactile mouse was effective on virtual figure presentation tests. Advanced tests are required to evaluate this tactile display. Approach: To compare virtual reality presented by the present tac...

Journal: :Retina 2015
Chieko Shiragami Kouki Fukuda Hidetaka Yamaji Misako Morita Fumio Shiraga

PURPOSE To investigate a method for preventing retinal slippage after standard vitrectomy for rhegmatogenous retinal detachment. METHODS Eighty six eyes with bullous rhegmatogenous retinal detachment underwent successful standard vitrectomy. Patients were divided into 2 groups. In Group 1, 44 patients started face-down positioning at approximately 10 minutes after the end of the surgery. In G...

Journal: :journal of applied and computational mechanics 2015
zulfiqar ali soomro

adhesion level for the proper running of rail wheelset on track is crucial problem in detecting slippage to avoid accidents. the slippage of rail wheels has been observed applying forward and lateral motions to slip velocity and torsion motion. the longitudinal and lateral forces behavior is watched with respect to traction force to note correlation based on angle of attack. the deriving torque...

Journal: :Indagationes Mathematicae (Proceedings) 1958

2017
Genki Yamauchi Keiji Nagatani Takeshi Hashimoto Kenichi Fujino

Odometry is widely used to localize wheeled and tracked vehicles because of its simplicity and continuity. Odometric calculations integrate the wheel or track’s rotation speed. The accuracy of position thus calculated, is affected by slippage between the ground and the wheel or track. When traveling on a loose slope, the localization accuracy of the odometry decreases remarkably due to slippage...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Mahadeb Pal Donal S Luse

RNA polymerase II transcription complexes stalled shortly after initiation over a repetitive segment of the template can undergo efficient transcript slippage, during which the 3' end of the RNA slides upstream and then re-pairs with the template, allowing transcription to continue. In the present study, we have used transcript slippage as an assay to identify possible structural transitions th...

Journal: :Molecular biology and evolution 2003
Yinglei Lai Fengzhu Sun

Microsatellite markers are widely used for genetic studies, but the relationship between microsatellite slippage mutation rate and the number of repeat units remains unclear. In this study, microsatellite distributions in the human genome are collected from public sequence databases. We observe that there is a threshold size for slippage mutations. We consider a model of microsatellite mutation...

2015
Weihua Li Liang Ding Haibo Gao Mahdi Tavakoli

With the widespread use of wheeled mobile robots (WMR) in various applications, new challenges have arisen in terms of designing its control system. One of such challenges is caused by wheel slippage. This paper proposes a new method for haptic teleoperation control of a WMR with longitudinal slippage (not including sliding). In this teleoperation system, the mobile robot’s linear velocity foll...

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