نتایج جستجو برای: bruce ladder
تعداد نتایج: 13594 فیلتر نتایج به سال:
for many years, meaning of work was to meet needs, physical and financial resources for human. in this times, work was consists of samples activities and easy to learn. so people do routine work duties for lifetime. survived goals were major ressoon for work. with population grow and increasing diversity and complexity of work, progress and successfully paradigm was more comprehensive. in this ...
A link between matroid theory and p-branes is discussed. The Schild type action for p-branes and matroid bundle notion provide the two central structures for such a link. We use such a connection to bring the duality concept in matroid theory to p-branes physics. Our analysis may be of particular interest in M-theory and in matroid bundle theory.
Forests historically associated with frequent fire have changed dramatically due to fire suppression and past harvesting over the last century. The buildup of ladder fuels, which carry fire from the surface of the forest floor to tree crowns, is one of the critical changes, and it has contributed to uncharacteristically large and severe fires. The abundance of ladder fuels makes it difficult to...
We study Abelian sandpiles on graphs of the form G×I, where G is an arbitrary finite connected graph, and I ⊂ Z is a finite interval. We show that for any fixed G with at least two vertices, the stationary measures μI = μG×I have two extremal weak limit points as I ↑ Z. The extremal limits are the only ergodic measures of maximum entropy on the set of infinite recurrent configurations. We show ...
مطالعات قبلی روی icd-85 (پپتید مشتق از زهر مار و عقرب )که توسط محققین موسسه سرم سازی رازی استخراج شده است ،اثر مهاری این ترکیب را در لاین سلولی سرطان پستان (mda-mb 231) نشان داد . همچنین در مطالعاتی که در شرایط invivo صورت گرفت ،اثر سرکوب تومور پستان در موش های آزمایشگاهی توسط icd-85 تائید شد . مکانیسم حقیقی icd-85 تاکنون ناشناخته مانده است . از اینرو این تحقیق که پیش روی شما است به منظور روش...
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