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تعداد نتایج: 146 فیلتر نتایج به سال:
—Due to the development of intelligent demand-side management with automatic control, distributed populations of large residential loads, such as air conditioners (ACs) and electrical water heaters (EWHs), have the opportunities to provide effective demand-side ancillary services for load serving entities (LSEs) to reduce the emissions and network operating costs. Most present approaches are re...
Artificially mediated linear (methylviologen) and cyclic (phenazine methosulfate) electron transport induced zeaxanthin-dependent and independent (constitutive) nonphotochemical quenching in osmotically shocked chloroplasts of pea (Pisum sativum L. cv Oregon). Nonphotochemical quenching was quantitated as Stern-Volmer quenching (SV(N)) calculated as (F(m)/F'(m))-1 where F(m) is the fluorescence...
Accurate and spatially-explicit maps of tropical forest carbon stocks are needed to implement carbon offset mechanisms such as REDD+ (Reduced Deforestation and Degradation Plus). The Random Forest machine learning algorithm may aid carbon mapping applications using remotely-sensed data. However, Random Forest has never been compared to traditional and potentially more reliable techniques such a...
As time passes, change occurs. With this change comes the need for surveillance. One may be a technician on an assembly line and in need of a surveillance technique to monitor the number of defective components produced. On the other hand, one may be an administrator of a hospital in need of surveillance measures to monitor the number of patient falls in the hospital or to monitor surgical outc...
چکیده ندارد.
در این پروژه، ابتدا روش میانیابی المان های مرزی به کمک روش المان محدود، به منظور طراحی قالب های پیش فرم قطعه متقارن محوری بکار رفته است. طرح قالب های پیش فرم با برنامه نوشته شده به زبان python در محیط نرم افزار المان محدود abaqus، با داشتن بیلت اولیه و طرح قالب نهایی بصورت مدل های المان محدود، تولید شدند. سپس عملیات فورج دو مرحله ای با استفاده از پیش فرم های طراحی شده مدلسازی گردید. از نتایج بد...
Anzi Hu,1 J. K. Freericks,2 M. M. Maśka,3 and C. J. Williams1 1Joint Quantum Institute, University of Maryland and National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA 2Department of Physics, Georgetown University, Washington, DC 20057, USA 3Department of Theoretical Physics, Institute of Physics, University of Silesia, PL-40007 Katowice, Poland (Received 13 January...
چکیده ندارد.
Abstract Introduction Functional abdominal pain disorder (FAPD) is a common in adolescents with an estimated prevalence of 13.5 % worldwide. It characterized by nearly-continuous or recurrent localized the abdomen but poorly related to gut function. A greater incidence sleep disorders has been described pediatric populations FAPD, no studies have differences continuity and quality that may be e...
Abstract Study question What are the risk factors for placenta accreta spectrum (PAS) among women conceived with assisted reproductive technology (ART)? Summary answer The of PAS was associated elevated estradiol and progesterone levels during COH, HRT protocol, abnormal endometrial thickness when preforming FET. is known already Increasing evidence suggests an association between ART PAS. Some...
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