نتایج جستجو برای: نرمافزار sand rose graph

تعداد نتایج: 248782  

2009
Myron G. Schultz

It shows him in his Public Health Service uniform sometime after 1915, when he attained the rank of Assistant Surgeon General. Carter was a quarantine officer and a field epidemiologist, best known for his discovery in 1898 of the extrinsic incubation period of yellow fever. His discovery led directly to the historic finding by Reed, Carroll, Agra-monte, and Lazear in 1900 that mosquitoes are t...

Journal: :Soil Dynamics and Earthquake Engineering 2021

This paper was aimed at highlighting the impact of loading waveforms on cyclic liquefaction resistance sand. The test specimens were reclaimed by dry tamping method with Hostun 31 sand, and density sand matrix controlled to be 0.70. Three sets undrained triaxial tests performed altering as follows: triangular, sine rectangular waves. waveform experimentally observed axial stress applied. Under ...

2004
Pinar Heggernes Jan Arne Telle Yngve Villanger

The problem of computing minimal triangulations, or minimal ll, of graphs was introduced and solved in 1976 by Rose, Tarjan, and Lueker in time O(nm), thus O(n) for dense graphs. Although the topic has received increasing attention since then, and several new results on characterizing and computing minimal triangulations have been presented, this rst time bound has remained unbeaten. In this pa...

2015
Shengbo Xie Jianjun Qu Yuanming Lai Xiangtian Xu Yingjun Pang

Previous research has shown that the temperature of underlying permafrost decreases after the ground surface is covered with sand. No significant conclusions have yet been drawn that explain why this happens, because the heat transfer mechanism effects of the sand layer on the underlying permafrost remain unclear. These mechanisms were studied in the present work. We found that the upward short...

2008
X. J. Zheng

In the evolution processes of wind blown sand movement and aeolian geomorphology, it always contains some complex behaviors, for example, the nonlinear character of turbulence and attractors, the stochastic character of wind gust, liftoff and movement of sand, the interaction among wind field, sand movement, electric field in wind blown sand flux and thermal diffusion, multi-scale character fro...

Journal: :The European physical journal. E, Soft matter 2013
Ning Huang Xianpan Xia Ding Tong

Straw checkerboard barrier (SCB) is the most representative antidesertification measure and plays a significant role in antidesertification projects. Large-eddy simulation and discrete-particle tracing were used to numerically simulate the wind sand movement inside the straw checkerboard barrier (SCB), study the movement characteristics of sand particles, find the transverse velocities of sand ...

2012
Cong Hou George Vulov Daniel J. Quinlan David R. Jefferson Richard M. Fujimoto Richard W. Vuduc

Program inversion has been successfully applied to several areas such as optimistic parallel discrete event simulation (OPDES) and reverse debugging. This paper introduces a new program inversion algorithm for imperative languages, and focuses on handling arbitrary control flows and basic operations. By building a value search graph that represents recoverability relationships between variable ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Judith P Klinman

On June 2, 2015, Irwin (Ernie) Rose died quietly in his sleep at age 88, after a long and fruitful lifetime of sleuthing for the secrets of life at the molecular level. Truly great scientists are much more than the sum of their publications and awards. This is especially true for Ernie who, when informed that he had been awarded the 2004 Nobel Prize in Chemistry, wondered aloud whether he reall...

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