نتایج جستجو برای: stc
تعداد نتایج: 1248 فیلتر نتایج به سال:
OBJECTIVES In epidemiological research, major studies have focused on theoretical models; however, few methods of visual analysis have been used to display the patterns of disease distribution. DESIGN For this study, a method combining the space-time cube (STC) with space-time scan statistics (STSS) was used to analyze the pattern of incidence of hand-foot-mouth disease (HFMD) in Guangdong Pr...
Stanniocalcin (STC) is a glycoprotein hormone that is secreted by the corpuscle of Stannius, an endocrine gland of bony fish, and is involved in calcium and phosphate homeostasis. The related mammalian proteins, STC1 and STC2, are expressed in a wide variety of tissues. The ovaries have the highest level of STC1, and this increases during pregnancy and lactation. STC1 is present in breast ducta...
به دلیل متغییر و غیر قابل پیش بینی بودن خصوصیات پتروفیزیکی در مخازن کربناته، ارزیابی دقیق این خصوصیات از اهمیت بالایی برخوردار است. در این مطالعه با استفاده از نگار dsi، خصوصیات پتروفیزیکی سازند دالان در یکی از میادین جنوب غرب ایران بررسی گردید. به منظور بررسی چگونگی اثر گذاری داده-های زمان عبور استخراج شده بر مدل پتروفیزیکی، مدل سازی در دو مرحله صورت گرفت. کیفیت مدل ایجاد شده با اعمال نگارهای ...
In this work, we derive a region-based self-triggered control (STC) scheme for nonlinear systems with bounded disturbances and model uncertainties. The proposed STC is able to guarantee different performance specifications (e.g., stability, boundedness, etc.), depending on the event-triggered (ETC) triggering function that chosen be emulated. To deal uncertainties, employ differential inclusion...
We studied the effects of sound presentation rate and attention on auditory supratemporal cortex (STC) activation in 12 healthy adults using functional magnetic resonance imaging (fMRI) at 3 T. The sounds (200 ms in duration) were presented at steady rates of 0.5, 1, 1.5, 2.5, or 4 Hz while subjects either had to focus their attention to the sounds or ignore the sounds and attend to visual stim...
Filters are used in chimneys, water purification, cigarettes and many other everyday situations. The mass of the particles one wants to capture crucially determines the efficiency of the filtering. Using analytical and numerical calculations we reveal a very rich scenario of scaling laws relating this efficiency to particle size and density and the velocity and viscosity of the carrying fluid. ...
Despite that there is a “one-to-many” mapping between scheduling algorithms and scheduler implementations, only a few studies have discussed the challenges and consequences of translating between these two system models. There has been an argument that a wide gap exists between scheduling theory and scheduling implementation in practical systems, where such a gap must be bridged to obtain an ef...
A growing number of indoor microelectronic devices with low consumption (average power of mW) require a power source to which Photovoltaic modules can contribute. However, Photovoltaic devices are rated by their power output under Standard Test Conditions (STC), and the 1 sun (AM1.5, 1000W/m) intensity used for these tests is several orders of magnitude above what is found indoors. A study was ...
This paper considers the transmission of confidential messages over noisy wireless ad hoc networks, where both background noise and interference from concurrent transmitters affect the received signals. For the random networks where the legitimate nodes and the eavesdroppers are distributed as Poisson point processes, we study the secrecy transmission capacity (STC), as well as the connection o...
The BAC-end sequencing, or sequence-tagged-connector (STC), approach to genome sequencing involves sequencing the ends of BAC inserts to scatter sequence tags (STCs) randomly across the genome. Once any BAC or other large segment of DNA is sequenced to completion by conventional shotgun approaches, these STC tags can be used to identify a minimum tiling path of BAC clones overlapping the nuclea...
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