نتایج جستجو برای: شبکه lc
تعداد نتایج: 64879 فیلتر نتایج به سال:
Onsager’s phenomenological equations successfully describe irreversible thermodynamic processes. They assume a symmetric coupling matrix between thermodynamic fluxes and forces. It is easily shown that the antisymmetric part of a coupling matrix does not contribute to dissipation. Therefore, entropy production is exclusively governed by the symmetric matrix even in the presence of antisymmetric...
Languages instantiate many different kinds of dependencies, holding between adjacent or nonadjacent elements. In the domain of phonotactics, while sensitivity to adjacent dependencies emerges between 6 and 10 months, it is unknown when sensitivity to nonadjacent dependencies emerges. The present study tests a perceptual equivalent of the Labial-Coronal (LC) bias, a dependency involving two non-...
In this paper, the main defects of LC-based Σ∆ modulators due to process variations are presented. Resonance frequency shift of LC tank circuit, which was discussed is some publications, is shown to be one among many other possible defects that are discussed in this paper. The effect of each defect on modulator output spectrum is shown and discussed. It is suggested that the information extract...
This paper deals with generalized approach to the reciprocating piston compressor driven by oscillating electrical motor and possibilities of development of new structures of the device. The current term linear compressor, ipso facto, restricts the considered devices only with a linear motion of the piston. Therefore the more general term oscillating motor-compressors is used in the paper, in w...
background: to study the chemical constituents and larvicidal activity of essential oil extracted from the leaves of coccinia grandis against three mosquito species. methods: essential oil was extracted by hydro distillation using clevenger apparatus and was analyzed for chemical constituents by gas chromatography-mass spectrophotometry (gc-ms). larvicidal activity was recorded after 12 and 24h...
در این تحقیق سمیت حاد علف کش پاراکوات بر بچه ماهی بنی (Mesopotamichthys sharpeyi) مطالعه گردید. آزمایش سمیت حاد به صورت ساکن و بر اساس روش استاندارد O.E.C.D به مدت 96 ساعت انجام و پارامترهای موثر فیزیکوشیمیایی آب شامل pH، اکسیژن محلول و درجه حرارت کنترل گردید. آزمایشات ابتدایی به منظور یافتن محدوده کشندگی با رهاسازی 6 عدد بچه ماهی به داخل آکواریوم هایی که به حجم 15 لیتر آبگیری...
طیف گامای آنی تولید شده حین تابش پروتون به بافت، برای آنالیز عنصری بافت تحت درمان کار گرفته میشود. هدف اصلی این در پروتوندرمانی ردیابی غلظت اکسیژن تومور است. پایش برخط تغییر عنصر پزشک را سمت ارزیابی روند بهبود و تخمین پاسخ بدن بیمار هدایت میکند. مطالعه گاما یک فانتوم چشم انسان آشکارساز HPGe با استفاده از ابزار Geant4 شبیهسازی کارگیری شبکه عصبی انجام شد. 33 نمونه حاوی تومورهای متفاوت نظر ...
The aim of this study was to investigate the influence of long fibre concentration on loadability and pulp properties during LC refining of mechanical pulp. Long fibre concentration was adjusted to three different levels by screen fractionation of the pulp. The three pulps were refined in a single disc pilot scale LC refiner at similar process conditions. Increased long fibre concentration supp...
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