نتایج جستجو برای: coupled phenomenon
تعداد نتایج: 357875 فیلتر نتایج به سال:
The phase transformation phenomenon due to the crystallographic change of shape memory alloys subjected to mechanical or thermal loading is very complicated. Regarding the thermo-mechanical coupling effects in shape memory alloys, in case of high loading rates, heat generation/absorption during the forward/reverse transformation, will lead in temperature-dependent variation and consequent...
During the milling process, one of the most important factors in reducing tool life expectancy and quality of workpiece is the chattering phenomenon due to self-excitation. The milling process is considered as a MIMO strongly coupled nonlinear plant with time delay terms in cutting forces. We stabilize the plant using two independent Emotional Learning-based Intelligent Controller (ELIC) in par...
Impact responses of rectangular composite plates with embedded shape memory alloy (SMA) wires are investigated in the present research. The plate is assumed to be placed in a thermal environment; so that in contrast to the available researches in the field, the shape memory and ferroelasticity effects have to be considered also in addition to the superelasticity. The governing equations are der...
We utilize isotherm models in contributing to scholarly knowledge in simple terms, to measure the forces or energy defining certain adsorption phenomenon. Gas Chromatography coupled with Mass Spectrophotometer detector (GCMS) was utilized to measure equilibrium phase atrazine after adsorption onto Shea nut Shells (SS) acid derived activated carbon. Data were fitted into the D-R and Temkin i...
The phenomenon of amplitude death in coupled nonlinear oscillators has been a topic of recent interest. We demonstrate that a similar phenomenon can occur in a pair of time-delay coupled, external-cavity semiconductor lasers. In particular, with coupling chaotic oscillations of the laser field can be converted into quasiperiodic motion and low-frequency fluctuations in laser power can be suppre...
Ludwig Lachmann famously stressed that expectations are inherently subjective, resulting in the phenomenon of divergent expectations, i.e., differing interpretations of market conditions on the part of market participants; a phenomenon that, coupled with the ceaseless change characterizing market data, greatly undermines the presence of any process of error correction on the marketplace. This p...
سیستم ناوبری اینرسی (ins) با استفاده از مقادیر اولیه حالت های متحرک (مکان، سرعت و جهت) و اندازه گیری سرعت زاویه ای و شتاب ها، حالت های متحرک را تخمین می زند. سنسورهای اینرسی معمولاً دارای نویز در خروجی می باشند. در نتیجه، خطای خروجی ins سریعاً با گذشت زمان افزایش می یابد. برای افزایش دقت و محدود کردن خطا، ins را با سنسورهای کمکی دیگر مثل سیستم مکان یابی جهانی (gps) ترکیب می کنند. یکی از انواع ترک...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
We consider a model system of phase oscillators which are connected in a random network. The network favors the connection of oscillators with close values of phases. We extend the order parameter used in the study of synchronization of phase oscillators and define generalized order parameters for the model system. We investigate the equilibrium properties of the model and reveal a phenomenon o...
We report here on the expression of slc5a8 in kidney and its relevance to Na(+)-coupled reabsorption of lactate. slc5a8 is the murine ortholog of SLC5A8, a candidate tumor suppressor gene, which we recently cloned from human intestine and demonstrated its functional identity as a Na(+)-coupled transporter for short-chain fatty acids and lactate. The slc5a8 cDNA, cloned from mouse kidney, codes ...
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