نتایج جستجو برای: exogenous developments
تعداد نتایج: 134941 فیلتر نتایج به سال:
We build upon the Minskyan concepts of ‘thwarting mechanisms’ and ‘supercycles’ to develop a framework for analysing dynamic evolutionary interactions between macrofinancial, institutional political processes. Thwarting mechanisms are structures that aim stabilise macrofinancial system. The effectiveness these changes over time as result profit-seeking innovations long-run destabilising New eme...
In 1928, Griffith [1] reported that soluble substances from virulent pneumococcal cells trans‐ formed non-virulent pneumococcus to virulent forms. This substance has now been demon‐ strated to be DNA [2-4]. This is considered to be the first report on genetic transformation of bacteria by exogenous DNA. Subsequently, natural competence of Bacillus subtilis was re‐ ported in 1958 by Young and Sp...
This paper develops a game-theoretic model of heterogeneous consumers to analyze the effect of cooperative involvement on quality-enhancing product innovation activity, the pricing of food products, and the welfare of the groups involved in the context of a mixed duopoly where an openmembership consumer co-op competes with an IOF. Analytical results show that the involvement of the member welfa...
Regressor selection can be viewed as the rst step in the system identi cation process. The bene ts of nding good regressors before estimating complex models are especially clear for nonlinear systems, where the class of possible models is huge. In this article, a structured way of using the tool Analysis of Variance (ANOVA) is presented and used for NARX model (nonlinear autoregressive model wi...
Abstract: In order that the nth-order Generalized Frequency Response Function (GFRF) for nonlinear systems described by a NARX model can be directly written into a more straightforward and meaningful form in terms of the first order GFRF and model parameters, the nth-order GFRF is now determined by a new mapping function based on a parametric characteristic. This can explicitly unveil the linea...
In practice, it is usually difficult to obtain the physical model of nonlinear, rotor-bearing systems due to uncertain nonlinearities. In order to solve this issue to conduct the analysis and design of nonlinear, rotor-bearing systems, in this study, a data driven NARX (Nonlinear Auto-Regressive with exogenous inputs) model is identified. Due to the lack of the random input signal which is requ...
a 2 × 3 factorial experiment was conducted to investigate the effect of enzyme endofeed w (eew) at 0 and 0.05%, thyme essential oil (teo), probiotic primalac® (pp) and non-feed additive, on intestinal histomorphology of broilers fed wheat-based diet. each of the 6 dietary treatments was replicated 4 times with 12 chicks each from 0 to 42 days of age. there was no interaction between enzyme and ...
با توجه به نگرانی های فزاینده در خصوص تخریب لایه اوزون و گرم شدن زمین مبردهای دوستدار طبیعت بیشتر مورد توجه قرار گرفته اند. در این میان co2 با توجه به خصوصیات عالی آن از جمله سمی نبودن، فراوان و ارزان بودن، غیر مشتعل بودن و ... بیشتر مورد توجه بوده است. با این حال با توجه به اینکه دمای بحرانی دی اکسید کربن که برابر 31.1 درجه سلسیوس است، کمتر از دمای معمولی پس دهی گرما در سیستم های تبرید تراکمی ...
neonate ruminants possess little cell-wall and starch degrading enzyme activity. importantly, early establishment of fibrolytic, amylolytic, and proteolytic capacities is influential for the early expansion of the reticulorumen epithelia. such an early development in reticulorumen fermentation will enable a timely hepatic adaptation to volatile fatty acids assimilation. the early nutrient relea...
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