نتایج جستجو برای: جبرانساز توان استاتیکی ترکشن rpc
تعداد نتایج: 101930 فیلتر نتایج به سال:
One of the most common solutions to deal with the power quality issues of electrical railway systems is employing Railway Power Conditioner (RPC). In the conventional mode of operation, the RPC power rating deployed in every Traction Power Substation (TPS) is significantly large. This paper mainly focuses on the power rating reduction of RPC through presenting a novel combinatorial compensation...
Reactive Powder Concrete (RPC) is an ultra high performance concrete which has superior mechanical and physical properties. The RPC is composed of cement and very fine powders such as crushed quartz (100–600 μm) and silica fume with very low water/binder ratio (W/B) (less than 0.20) and Super Plasticizer (SP). The RPC has a very high compressive and tensile strength with better durability prope...
The effect of five isonitrogenous diets (36.6% protein), formulated by replacing 0, 25, 50, 75, and 100% of fish meal (FM) with rice protein concentrate (RPC), was investigated on the growth and tail-muscle fatty acid (FA) quality of juvenile Pacific white shrimp, Litopenaeus vannamei. The feeds were fed to shrimp (initial weight of 6.99 ± 0.08 g) five times daily to apparent satiation for 60 d...
There is no need to show the importance of the ltering tech niques to solve constraint satisfaction problems i e to nd values for problem variables subject to constraints that specify which combinations of values are consistent They can be used during a preprocessing step to remove once and for all some local inconsistencies or during the search to e ciently prune the search tree Recently in a ...
BACKGROUND AND PURPOSE Nuclear erythroid 2 related factor 2 (Nrf2) is an astrocyte-enriched transcription factor that has previously been shown to upregulate cellular antioxidant systems in response to ischemia. Although resveratrol preconditioning (RPC) has emerged as a potential neuroprotective therapy, the involvement of Nrf2 in RPC-induced neuroprotection and mitochondrial reactive oxygen s...
This article presents two new algorithms whose purpose is to maintain the Max-RPC domain filtering consistency during search with a minimal memory footprint and implementation effort. Both are sub-optimal algorithms that make use of support residues, a backtrack-stable and highly efficient data structure which was successfully used to develop the stateof-the-art AC-3 algorithm. The two proposed...
Remote preconditioning (rPC) is the phenomenon whereby brief organ ischemia evokes an endogenous response such that a different (remote) organ is protected against subsequent, normally injurious ischemia. Experiments show rPC to be effective at evoking cardioprotection against ischemic heart injury and, more recently, neuroprotection against brain ischemia. Such is the enthusiasm for rPC that h...
رشد چشمگیر شبکه های قدرت سبب شده که برای افزایش بازده سیستمهای قدرت خطوط انتقال و نیروگاهها اغلب در نزدیکی حاشیه پایداری خود کار کنند و امکان ناپایداری سیستم به دلیل افزایش بار خطوط و خروج واحدهای نیروگاهی بیشتر شده است به همین دلیل پیش بینی و تشخیص ناپایداری ولتاژ در سیستمهای قدرت بسیار مهم می باشد و باعث افزایش امنیت شبکه می شود. از طرفی کمبود توان راکتیو در شبکه های قدرت نیز سبب ایجاد افت ول...
Twenty four primiparous and multiparous Holstein cows on early lactation, beginning five weeks postpartum, were used for four weeks to investigate the effects of supplemention of rumen-protected choline (RPC) or vitamin E on milk yield, milk composition, dry matter intake, body condition score and body weight. The cows were randomly assigned to one of the following treatments: I)no supplement (...
ضریب توان پایین و افت ولتاژ در ترمینال های بار به همراه دیگر مسائل مربوط به کیفیت توان همچون هارمونیک ها، بارهای نامتقارن، تاثیر جالب توجهی بر روی دیگر بارهای متصل در شبکه دارند. جریان های هارمونیک موجب اعوجاج ولتاژ در pcc ( نقطه ی کوپلینگ مشترک) ، تشدید با امپدانس منبع و افزایش افت توان در خطوط تغذیه می شوند. در این پایان نامه یک الگوریتم اصلاح شده ی آشکارسازی سنکرون مبتنی بر روش جریان های ی...
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