نتایج جستجو برای: periodic trend
تعداد نتایج: 204406 فیلتر نتایج به سال:
Most of economic and financial time series have a nonstationary behavior. There are different types of nonstationary processes, such as those with stochastic trend and those with deterministic trend. In practice, it can be quite difficult to distinguish between the two processes. In this paper, we compare random walk and determinist trend processes using sample autocorrelation, sample partial a...
Thyrotoxic hypokalemic periodic paralysis is an uncommon complication of thyrotoxicosis, characterized by attacks of generalized muscular weakness associated with hypokalemia in patients with hyperthyroidism, most frequently with Graves-Basedow disease. Treatment with antithyroid drugs and potassium supplements reversed the symptoms and the episodes of acute muscular weakness did not reappear.
An interesting case of familial periodic paralysis came under my care quite recently and incidentally illustrated the hereditary nature of the disease. As the condition is so rare, a resume of the main features of the disease may be given. The disease is seldom seen; only 200 cases have been reported so far. It is characterized by a temporary flaccid paralysis of the muscles of the extremities ...
In this paper, we investigate a damped Korteweg-de Vries equation with forcing on a periodic domain $mathbb{T}=mathbb{R}/(2pimathbb{Z})$. We can obtain that if the forcing is periodic with small amplitude, then the solution becomes eventually time-periodic.
in this study, the effect of several species of fermenting yeast and fermentation conditions (periodic aeration and temperature) on quality parameters of non-alcoholic beer is assessed. yeast starters with different inoculation percent were added separately into wort with determined gravity. wort was fermented for 48 h in different temperatures under aerobic condition or periodic aeration (ever...
A case ofyoung (20 years old) nale presenting with dranratic onset ofweakness in all the linùs is presented. Patient had three such episodes in the past 2 years lasting for 4-6 hrs. There was no fanùly history of such weakness. A diagnosis of hypolcnlaettùc periodic paralysis was made. Patient was given intravenous potassiun4 intproved considerably and put on acetazolailûde prophylafis. The cas...
This paper discusses a multispecies discrete Gilpin-Ayala mutualism system with feedback controls. We firstly obtain the permanence of the system. Assuming that the coefficients in the system are almost periodic positive sequences, we obtain the sufficient conditions for the existence of a unique almost periodic positive solution which is globally attractive.
Recent research interest in Karoo tick paralysis and its vector. Ixodes rubicundus, prompted this survey to determine the economic implications of this disease. The survey indicated relatively high losses caused by the condition, identified the stock involved and provided data on the incidence of paralysis and on the control methods employed. Recommendations are made to institute chemical contr...
PURPOSE To evaluate the effects of tafluprost treatment for 3 years on intraocular pressure (IOP) and visual field performance. METHODS The IOP of 55 patients with normal-tension glaucoma was monitored every 1-3 months for 3 years. The Humphrey visual field test was performed every 6 months after treatment and results compared with before-treatment results. Visual field performance was also e...
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