نتایج جستجو برای: miniband engineering
تعداد نتایج: 262819 فیلتر نتایج به سال:
one of the most effective tools for decline cost and time, quality improvement and consequently project performance enhancement especially in construction projects, is value engineering. there are linguistic judgments in many cases of value engineering studies in construction projects such as interior design, mechanical installations design, and etc. therefore multiple attribute decision-making...
most of river engineering problems are complicated and need to be analyzed by three dimensional models of flow and sediment transport. considering the fact that computers and numerical methods with great ability of flow and sediment transport simulation are developing quickly, using numerical modeling by engineers is inevitable. nevertheless, before application, numerical models need to be veri...
stem cell research has obtained much prominence in recent years for its therapeutic potential in dealing with serious diseases, many of which are essentially incurable by routine therapies. mesenchymal stem cells with pluripotency and immunomodulatory properties are suitable candidates for tissue engineering and regenerative medicine. today, nanofibrous scaffolds are widely used in tissue engin...
in this paper, we introduce environmental systems engineering (ese) and describe some of its applications combined with process systems engineering (pse) to problems related to environmental systems. these systems—the water cycle and ecosystem cycles—are complex and highly dynamic, with an uncertainty level comparable to that of chemical systems. to illustrate the challenges of applying pse to...
for more than three decades, oxidative coupling of methane (ocm) process has been comprehensively investigated as an attractive alternative for the commercially available ethylene production technologies such as ethane and naphtha cracking. developing a suitable catalyst and proper reactor feeding policy, reviewing and deploying the efficient methods in the separation and purification of the un...
background prostate cancer is a serious genetic disease known as the first widespread cancer in men, yet the molecular changes required for the cancer progression is not fully understood. availability of high-throughput gene expression data has led to the development of various computational methods for the identification of critical genes involved in the cancer. methods in this paper, we show ...
introduction perforation of maxillary sinus mucous membrane is of the most prevalent complication during open sinus lift surgery. moreover, such complication can usually be managed by an absorbable membrane. as far as absorbable membranes are concerned, decellularized maxillary sinus mucous membranes, which is an extracellular matrix, can be used as a biologic scaffold and insulating membrane i...
We present the numerical methods and simulations used to solve a charge transport problem in semiconductor physics. The problem is described by a Wigner-Poisson kinetic system we have recently proposed and whose results are in good agreement with known experiments. In this model we consider doped semiconductor superlattices in which electrons are supposed to occupy the lowest miniband, exchange...
Variable Patient #1 Patient #2 Age (yrs) 74 77 Sex Female Female NYHA functional class (baseline) 3 3 Logistic EuroSCORE (%) 42.9 12.9 STS score (%) 11.4 4.2 Interval between SMVR and PMVR 12 yrs 6.5 yrs Type of surgical ring CarpentierEdwards Sovering Miniband Pre-procedural Rhythm SR SR LVEF (%) 30 30 MR etiology Functional Functional Tethering (involved leaflet) Yes (P) Yes (P) MR jets Centr...
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