نتایج جستجو برای: node flow analysis

تعداد نتایج: 3320115  

 Objective(s): Lymph node metastases are the most significant prognostic factor in localized non-small cell lung cancer (NSCLC). Identification of the first nodal drainage site (sentinel node) may improve detection of metastatic nodes. Extended surgeries, such as lobectomy or pneumonectomy with lymph node dissection, are among the therapeutic options of higher acceptab...

شیرانی, ابراهیم, صفری, مریم, قائی, عباس, نیلی, مهدی,

In this research, a new method called elastic surface algorithm is presented for inverse design of 2-D airfoil in a viscous flow regime. In this method as an iterative one, airfoil walls are considered as flexible curved beams. The difference between the target and the current pressure distribution causes the flexible beams to deflect at each shape modification step. In modification shape algor...

2007
Tamás Király Chi Lau

We consider the problem of finding a minimum cost 0 − 1 submodular flow with the additional constraint that the sum of the incoming and outgoing flow at each node cannot exceed a given limit. We show that this problem is NP-hard, but it can be approximated in the following sense: we can find a submodular flow of cost not greater than the optimum which violates the additional constraints by at m...

2000
Yu-Shu Wu

How to treat well boundary conditions is a difficult issue when formulating and coding a multiphase numerical reservoir simulator. The difficulty arises because the partial differential equation governing multiphase subsurface flow is of a mixed parabolichyperbolic type. Maximum changes in primary variables and mass/heat fluxes occur at boundaries or well nodes. Consequently, these well nodes w...

Journal: :Developmental biology 2012
Christine E Larkins Alyssa Bushey Long Tamara Caspary

Specification of the left-right axis during embryonic development is critical for the morphogenesis of asymmetric organs such as the heart, lungs, and stomach. The first known left-right asymmetry to occur in the mouse embryo is a leftward fluid flow in the node that is created by rotating cilia on the node surface. This flow is followed by asymmetric expression of Nodal and its inhibitor Cerl2...

سوسن فرزان, , منصور جمالی زواره ای, , گیتی ایروانلو, ,

Breast cancer is a major cause of mortality in women due to malignant diseases and is the most prevalent type of cancer in western countries. According to investigations which has been done in Iran so far, the prevalence of disease in our country is also very high, therefore complete attention to clinical and pathological findings of this disease would be extremely essential. In this study, the...

Journal: :PLoS Biology 2005
Shigenori Nonaka Satoko Yoshiba Daisuke Watanabe Shingo Ikeuchi Tomonobu Goto Wallace F Marshall Hiroshi Hamada

In the developing mouse embryo, leftward fluid flow on the ventral side of the node determines left-right (L-R) asymmetry. However, the mechanism by which the rotational movement of node cilia can generate a unidirectional flow remains hypothetical. Here we have addressed this question by motion and morphological analyses of the node cilia and by fluid dynamic model experiments. We found that t...

2006
Farhad Mehdipour Morteza Saheb Zamani Mehdi Sedighi Kazuaki Murakami Hamid Noori

In reconfigurable systems, reconfiguration latency has a significant impact on the system performance. In this work, a temporal partitioning algorithm is presented to partition data flow graphs for reconfigurable computing systems. Life-time of a node in a data flow graph represents the number of times it executes during the application run. A new factor, called residing eligibility, inspired f...

Journal: :Computer Communications 2009
Kensaku Wakuda Shoji Kasahara Yutaka Takahashi Yoshinobu Kure Eisaburo Itakura

In this paper, we propose a probabilistic packet scheduling scheme achieving maxmin fairness without changing the existing IEEE 802.11 medium access control (MAC) protocol. In the proposed scheme, packets at each wireless node are managed on a per-flow basis. When a wireless node is ready to send a packet, the packet scheduler of the node is likely to select the queue whose number of packets se...

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