نتایج جستجو برای: accretion and bergeron process
تعداد نتایج: 16924556 فیلتر نتایج به سال:
This paper provides a short and transparent solution for the covering cost of white–grey trees which play a crucial role in the algorithm of Bergeron et al. to compute the rearrangement distance between two multichromosomal genomes in linear time (Theor. Comput. Sci., 410:5300– 5316, 2009). In the process it introduces a new center notion for trees, which seems to be interesting on its own.
In this paper,the effect of troidal magnetic field is studied in standard self-gravitating thin disks with β priscription. By applying the magnetic field, we expect to see different behaviors compared to a non-magnetic field case.The study reveals self-similar solutions for radial infall velocity, rotation velocity, surface density and mass accretion rate. Our results also show that by increasi...
Pompe disease or type II glycogen storage disease is a rare autosomal hereditary disease. The prevalence of the disease is about 1 in 40,000 to 1 in 300,000 population. It usually occurs as a result of glycogen accretion following acid maltase deficiency. The current treatment is enzyme replacement therapy, which may slow down the disease progression. Sometimes, the clinical presentation can be...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
(3) The error is normally of the order of 1 percent a t the higher levels (5,000-20,000 feet) of an average curve. (4) When applied to the upper levels of a very stable curve (e. g. one featuring an extensive inversion), the rule leads to an overestimation of the height which may mount , to 4 percent or more in an extreme case. The formula i s least accurate when applied to the upper levels of ...
the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...
In the study of the algebra NCSym of symmetric functions in noncommutative variables, Bergeron and Zabrocki found a free generating set consisting of power sum symmetric functions indexed by atomic partitions. On the other hand, Bergeron, Reutenauer, Rosas, and Zabrocki studied another free generating set of NCSym consisting of monomial symmetric functions indexed by unsplitable partitions. Can...
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
eighteen kilometers long coastal stretch from the new mangalore port in the north totalapadi in the south has been studied in order to understand shoreline changes and erosion/ accretion patterns that have taken place due to the natural processes and anthropogenic activities. shoreline changes and quantification of beach erosion/accretion were made using the survey of india topomap, multidated ...
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