نتایج جستجو برای: hj

تعداد نتایج: 1865  

Journal: :Mathematical Control and Related Fields 2023

We study the Hamilton-Jacobi (HJ) approach for a two-person zero-sum differential game with state constraints and where controls of two players are coupled within dynamics, cost functions. It is known such problems that value function may be discontinuous its characterization by means an HJ equation requires some controllability assumptions involving dynamics set constraints. In this work, we c...

2016
Gizem Ölmezer Maryna Levikova Dominique Klein Benoît Falquet Gabriele Alessandro Fontana Petr Cejka Ulrich Rass

Cells have evolved mechanisms to protect, restart and repair perturbed replication forks, allowing full genome duplication, even under replication stress. Interrogating the interplay between nuclease-helicase Dna2 and Holliday junction (HJ) resolvase Yen1, we find the Dna2 helicase activity acts parallel to homologous recombination (HR) in promoting DNA replication and chromosome detachment at ...

2008
S. Olibet C. Monachon A. Hessler-Wyser E. Vallat-Sauvain S. De Wolf L. Fesquet J. Damon-Lacoste C. Ballif

In this article, we report on the use of transmission electron microscopy (TEM) for the fabrication of high-performance textured amorphous/crystalline silicon (a-Si:H/c-Si) heterojunction (HJ) solar cells. Whereas classical thin-film characterization techniques allowed us to optimize the a-Si:H layer properties for flat HJ solar cells (open-circuit voltages (VOC) up to 710 mV and energy convers...

2010
Tian Ye

Since HuanJing(HJ)-satellite has been sent successfully in September 6, 2008, in china, productions of precise geometric correction are imminently needed. Moreover, the demand for rapid processing of remote sensing data for disaster is increasing. Aiming at the characteristics of HJ-CCD imagery, a precise geometric correction technology workflow has been designed, which is a very meaningful wor...

Journal: :Science 2007
Sungchul Hohng Ruobo Zhou Michelle K Nahas Jin Yu Klaus Schulten David M J Lilley Taekjip Ha

Despite the recent advances in single-molecule manipulation techniques, purely mechanical approaches cannot detect subtle conformational changes in the biologically important regime of weak forces. We developed a hybrid scheme combining force and fluorescence that allowed us to examine the effect of subpiconewton forces on the nanometer scale motion of the Holliday junction (HJ) at 100-hertz ba...

2018
Vicenc Rubies Royo David Fridovich-Keil Sylvia Herbert Claire J. Tomlin

Hamilton-Jacobi (HJ) reachability analysis has been developed over the past decades into a widely-applicable tool for determining goal satisfaction and safety verification in nonlinear systems. While HJ reachability can be formulated very generally, computational complexity can be a serious impediment for many systems of practical interest. Much prior work has been devoted to computing approxim...

2012
Mutaz Dana Eugenia Prus Eitan Fibach

We studied the nature of enucleated RBCs containing DNA remnants, Howell-Jolly (HJ) RBCs and reticulocytes (retics), that are characteristically present in the circulation of thalassemic patients, especially after splenectomy. Using flow cytometry methodology, we measured oxidative status parameters of these cells in patients with β-thalassemia. In each patient studied, these cells had higher c...

Journal: :Multiscale Modeling & Simulation 2009
Adam M. Oberman Ryo Takei Alexander Vladimirsky

In this work we provide a novel approach to homogenization for a class of static Hamilton–Jacobi (HJ) equations, which we call metric HJ equations. We relate the solutions of the HJ equations to the distance function in a corresponding Riemannian or Finslerian metric. The metric approach allows us to conclude that the homogenized equation also induces a metric. The advantage of the method is th...

2005
WILSON S. COLUCCI

Alpha-adrenergic receptors are likely to be Important determinants of the effects of catecbolamines on rascular resistance. To study the a-adrenergic receptor in muscular arteries of the type that determine vascular resistance, we characterized and qnantitated a-adrenergk receptors in a partknlate fraction of the highly reactive, richly Innervated arteries of the rat mesentery. With the ligand ...

2011
Yanxia Wang Wanli Huang Yufeng Liu Hu Li

For researching properties of HJ-1A CCD camera multispectral data in performance on extraction of land features information, this paper selected the east area of NiLeke forest farm in the western Tianshan mountain as the study area, and analyzed different accuracies for HJ-1A CCD data in identifying forest land categories using various classification methods. Firstly, maximumlikelihood classifi...

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