نتایج جستجو برای: stabilization of earth slopes

تعداد نتایج: 21176312  

Journal: :محیط زیست طبیعی 0
علی اکبرزاده دانش آموخته کارشناسی ارشد، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، ایران منوچهر گرجی استادیار پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، ایران حسینقلی رفاهی استاد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، ایران حسن روحی پور دانشیار پژوهشی بخش بیابان موسسه تحقیقات جنگلها و مراتع کشور، ایران

today's, adverse effects of off-site erosion, namely damages received from sediment, is a serious bioenvironmental problem. one of the methods for temporary soil stabilization before permanent rehabilitation of vegetation cover, especially on slopes, for mitigating of bioenvironmental contaminants, is using materials having property to cementate the dispersed particles on the soil surface....

2007
T. Bak R. Wisniewski

This paper discusses the influence of aerodynamic drag torque on the dynamics of a satellite in a very low altitude orbit. The larger atmospheric density in low altitude earth orbits results in significant aerodynamic drag torques acting on the satellite. With a conventional satellite design this may result in instability. This paper shows how the instability can be avoided, and how the aerodyn...

2010

Synthetic Aperture Radar Interferometry (InSAR) is an established powerful technique for change detection. Its advantages include competitive spatial resolution, accuracy in milimeter-centimeter scale and spatial coverage. However, there are limitations in using it for detecting the Earth surface changes. Line-of-sight ambiguity (1-D displacement), temporal and geometrical decorrelation (slopes...

Journal: :CoRR 2011
Swan Dubois Toshimitsu Masuzawa Sébastien Tixeuil

Self-stabilization is a versatile approach to fault-tolerance since it permits a distributed system to recover from any transient fault that arbitrarily corrupts the contents of all memories in the system. Byzantine tolerance is an attractive feature of distributed systems that permits to cope with arbitrary malicious behaviors. We consider the well known problem of constructing a maximum metri...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2003
Won-Sik Han Su-Jung Yoo Sung-Hoon Kim Tae-Kee Hong Koo-Chun Chung

We compared the slopes of the EMF responses and the response range of a solid contact electrode based on a tribenzylamine ionophore with those based on a tris(2-phenylethyl)amine ionophore and a tris(3-phenylpropyl)amine ionophore. Their slopes of the EMF responses showed, respectively, 57.7, 58.1, 59.0 mV pH(-1) (at 20 +/- 0.2 degrees C). Also, the linear pH response dynamic ranges were 2.74-1...

2010
Swan Dubois Toshimitsu Masuzawa Sébastien Tixeuil

Self-stabilization is an versatile approach to fault-tolerance since it permits a distributed system to recover from any transient fault that arbitrarily corrupts the contents of all memories in the system. Byzantine tolerance is an attractive feature of distributed system that permits to cope with arbitrary malicious behaviors. We consider the well known problem of constructing a maximum metri...

2006
Min Hong Samuel W. J. Welch John Trapp Min-Hyung Choi

The paper presents a simple, robust, and effective constraint enforcement scheme for rigid body dynamic simulation. The constraint enforcement scheme treats the constraint equations implicitly providing stability as well as accuracy in constrained dynamic problems. The method does not require ad-hoc problem dependent parameters. We describe the formulation of implicit constraint enforcement for...

2003
Michael B. Cline Dinesh K. Pai

Rigid body dynamics with contact constraints can be solved locally using linear complementarity techniques. However, these techniques do not impose the original constraints and need stabilization. In this paper we show how constraint stabilization can also be done in a complementarity framework. Our technique effectively eliminates the drift problem for both equality and inequality constraints ...

2017
Jane K. Willenbring Alexandru T. Codilean Brandon Mcelroy Brandon McElroy

We use a new compilation of global denudation estimates from cosmogenic nuclides to calculate the apportionment and the sum of all sediment produced on Earth by extrapolation of a statistically significant correlation between denudation rates and basin slopes to watersheds without denudation rate data. This robust relationship can explain approximately half of the variance in denudation from qu...

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