نتایج جستجو برای: node density
تعداد نتایج: 575200 فیلتر نتایج به سال:
background: in this study we evaluated the prognostic impact of metastatic lymph node ratio (mlr) in patients with gastric cancer undergoing curative surgical resection. methods: a total of 121 patients with gastric adenocarcinoma undergoing curative r0 surgical resection in our institutions between 2003 and 2010 were included in this study. mlr was classified into 3 groups as follows: mlr0; 0...
We have developed a model system for analyzing reconstitution of the notochord using cultured blastoderm isolates lacking Hensen's node and the primitive streak. Despite lacking normal notochordal precursor cells, the notochord still forms in these isolates during the 36 hours in culture. Reconstitution of the notochord involves an inducer, which acts upon a responder, thereby inducing a recons...
In this paper, we propose a method to estimate the density of nodes for pedestrians and/or vehicles with information terminals. The method enables us to provide intelligent services which are environmentaware with highly dynamic movement of nodes such as intellectual navigation that tells the user the best route to detour congested regions. In the proposed method, each node is supposed to know ...
:فعالیت قلب وابسته به ایمپالس های الکتریکی است که توسط سیستم ریتمیسیته تخصص عمل یافته ی تحریکی وهدایتی آن تولید وهدایت می شود. این سیستم نسبت به آسیب ناشی از بیماری های قلبی وداروهاومواد خاص حساس است.نتیجه ی اختلال در کار این سیستم غالبا پیدایش یک ریتم غیر عادی در الکتروکاردیوگرام می باشد. مطالعات در جانوران پیشنهاد میکند که کافئین در دوزهای بالاسیستم هدایتی قلب را متاثر میکند و بسیاری از پزشکا...
in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...
In order to refine the location and metastasis-risk density of 16 lymph node stations of gastric cancer for neoadjuvant radiotherapy, we retrospectively reviewed the initial images and pathological reports of 255 gastric cancer patients with lymphatic metastasis. Metastatic lymph nodes identified in the initial computed tomography images were investigated by two radiologists with gastrointestin...
Density-based probabilistic routing algorithm (AODV–Probabilistic) has been introduced for mobile ad hoc networks. Under ideal settings, it has been proven to provide drastic performance improvement over AODV and OLSR routing protocols. In this paper, the authors study the effect of inaccurate location information caused by node mobility under a rich set of scenarios. They identify three differ...
To increase reliability and fault tolerance in wireless sensor network, using spare nodes is a useful method. In this article, we survey the influence of using single-type and multi-type spare nodes on the fault tolerance in the low density. To achieve this, we use single-type and multi-type spare nodes and construct the network reliability graph for one, two and three-node densities. Then, we ...
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