نتایج جستجو برای: phase lag
تعداد نتایج: 617293 فیلتر نتایج به سال:
Many articles dealing with individual cell lag phase determination assume that growth, when observed, comes from one cell. This assumption is not in agreement with the Poisson distribution, which uses the probability of growth in a sample to predict how many samples contain one, two, or some other number of cells. This article analyses and compares different approaches to improve the accuracy o...
Fibrillogenesis, the production or development of protein fibers, has been linked to protein folding diseases. The progress curve of fibrils or aggregates typically takes on a sigmoidal shape with a lag phase, a rapid growth phase, and a final plateau regime. The study of the lag phase and the estimation of its critical timescale provide insight into the factors regulating the fibrillation proc...
Bi-phasic or diauxic growth is often observed when microbes are grown in a chemically defined medium containing two sugars (for example glucose and lactose). Typically, the two growth stages are separated by an often lengthy phase of arrested growth, the so-called lag-phase. Diauxic growth is usually interpreted as an adaptation to maximise population growth in multi-nutrient environments. Howe...
The time lag between anomalies in precipitation and vegetation activity plays a critical role in early drought detection as agricultural droughts are caused by precipitation shortages. The aim of this study is to explore a new approach to estimate the time lag between a forcing (precipitation) and a response (NDVI) signal in the frequency domain by applying cross-spectral analysis. We prepared ...
many simulation algorithms (chemical reaction systems, differential systems arising from the modeling of transient behavior in the process industries and etc.) contain the numerical solution of systems of differential equations. for the efficient solution of the above mentioned problems, linear multistep methods or runge-kutta technique are used. for the simulation of chemical procedures the ra...
In this paper, we propose a system of equations governing the dual-phase-lag heat conduction with microtemperatures. Several conditions on coefficients are imposed so that energy is positive definite and dissipative. On base prove well-posedness exponential stability by means semigroup theory frequency domain method.
ABSTRACT Much researches has focused on the theory that antioxidant nutrients act as scavengers of oxygen derived free radicals, thereby helping to prevent cell and tissue damage that otherwise would give rise to degenerative diseases such as atherosclerosis caused by LDL oxidation. Findings from extensive studies suggested that the determination of lag objective procedure for determining the ...
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