نتایج جستجو برای: week time period
تعداد نتایج: 2318855 فیلتر نتایج به سال:
Background: Lochia is the slight vaginal bleeding between 24 hour to 12 week after delivery. There isn't any standard definition for difference between normal and abnormal lochia in post-partum period. The aim of this study was to determine the relationship between ultrasonic findings of the postpartum uterus after normal vaginal delivery with the duration of lochia discharge. Methods: In th...
BACKGROUND Depression in adolescents and young adults is a major mental health condition that requires attention. Research suggests that approaches that include spiritual concepts and are delivered through an online platform are a potentially beneficial approach to treating/managing depression in this population. The purpose of this study was to evaluate the effectiveness of an 8-week online sp...
Mathematical models in continuous or discrete time are widely used to simplify real-world systems in order to understand their mechanisms for a particular purpose. Consequently, a welldefined model should be able to carry out some predictions and be fitted to observational data in a variety of time measurements (seconds, hours, days, weeks, months, or years). Therefore, the time scales approach...
Abstract: In this work, the dynamics of a duopoly game with two heterogeneous players and time delay is investigated. It is assumed that one player adopts adaptive adjustment method and another considers time delay for marginal profit. A nonlinear dynamics is built and theoretical and numerical stability analysis is done for it. It is shown that time delay plays an important role in the system ...
The sequences generated by neuronal recurrence equations of the form xHnL ! 1A⁄j!1 h aj xHn jL qE are studied. From a neuronal recurrence equation of memory size h that describes a cycle of length rHmLä lcmIp0, p1, ... , p-1+r HmLM, a set of rHmL neuronal recurrence equations is constructed with dynamics that describe respectively the transient of length OHrHmLä lcmHp0, ... , pdLL and the cycle...
We describe how classical Floquet theory may be utilized, in a continuation framework, to construct an efficient Fourier spectral algorithm for approximating periodic orbits. At each continuation step, only a single square matrix, whose size equals the dimension of the phasespace, needs to be factorized; the rest of the required numerical linear algebra just consists of backsubstitutions with t...
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