نتایج جستجو برای: tadpole graph

تعداد نتایج: 199977  

Journal: :Baghdad Science Journal 2018

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Laurent Coen Karine Le Blay Isaline Rowe Barbara A Demeneix

During anuran metamorphosis, the tadpole brain is transformed producing the sensorial and motor systems required for the frog's predatory lifestyle. Nervous system remodeling simultaneously implicates apoptosis, cell division, and differentiation. The molecular mechanisms underlying this remodeling have yet to be characterized. Starting from the observation that active caspase-9 and the Bcl-X(L...

Journal: :Molecular phylogenetics and evolution 2009
Matthew E Neilson Carol A Stepien

Endemic Ponto-Caspian gobies include a flock of 24 "neogobiin" species (containing the nominal genera and subgenera Apollonia, Babka, Neogobius, Mesogobius, Ponticola, and Proterorhinus; Teleostei: Gobiidae), of which a large proportion (5 species; 21%) recently escaped to invade other freshwater Eurasian systems and the North American Great Lakes. We provide its first comprehensive phylogeneti...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1391

در این پایان نامه رنگ آمیزی دینامیکی یک گراف را بیان و مطالعه می کنیم. یک –kرنگ آمیزی سره ی رأسی گراف g را رنگ آمیزی دینامیکی می نامند اگر در همسایه های هر رأس v?v(g) با درجه ی حداقل 2، حداقل 2 رنگ متفاوت ظاهر شوند. کوچکترین عدد صحیح k، به طوری که g دارای –kرنگ آمیزی دینامیکی باشد را عدد رنگی دینامیکی g می نامند و آنرا با نماد ?_2 (g) نمایش می دهند. مونت گمری حدس زده است که تمام گراف های منتظم ...

Journal: :Journal of Medical Imaging and Radiation Oncology 2018

Journal: :Journal of Medical Imaging and Radiation Oncology 2018

1995
M. Alford T. Klassen P. Lepage

We investigate a new light fermion action (the " D234 " action), which is accurate up to O(a 3) and tadpole-improved O(aαs) errors. Using D234 with Symanzik-and tadpole-improved glue we find evidence that continuum results for the quenched hadron spectrum (pion, rho and nucleon) can be obtained on coarse lattices.

Journal: :IEEE Access 2021

Dynamic Time Warping (DTW) is a widely used distance measurement in time series clustering. DTW invariant to phase perturbations but has quadratic complexity. An effective acceleration method must reduce the utilization ratio during clustering; for example, TADPole uses both upper and lower bounds prune off large of expensive calculations. To further ratio, we find that linear-complexity L1-nor...

2001
Micheline A. Kim John S. Richardson

Forest disturbance can alter light and nutrient regimes in small streams, which in turn may influence grazer–periphyton interactions within the stream community. To investigate the influence of forest disturbance on grazer–periphyton interactions, we tested the effects of light, nutrients, and grazing by tadpoles of the tailed frog (Ascaphus truei) on periphyton standing crop and tadpole growth...

Journal: :Optics express 2010
Peeter Saari Pamela Bowlan Heli Valtna-Lukner Madis Lõhmus Peeter Piksarv Rick Trebino

Using a recently developed technique (SEA TADPOLE) for easily measuring the complete spatiotemporal electric field of light pulses with micrometer spatial and femtosecond temporal resolution, we directly demonstrate the formation of theo-called boundary diffraction wave and Arago's spot after an aperture, as well as the superluminal propagation of the spot. Our spatiotemporally resolved measure...

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