نتایج جستجو برای: month period two 6
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Changes in prices of metals in London Metal Exchange during the last ten years are analyzed, to check possibilities of their forecasting in medium-term horizon (from 1 month to 1 year ahead). The predictions based on extrapolation of linear trends and cyclic components are proposed. It is shown that a cycle period can be selected by analysis of rolling Fourier spectra of the series. The predict...
Introduction: High prevalence of liver disorders has been observed in postmenopausal women. This study aims at determining the effects of long-term, low-dose nitrate administration on serum levels of liver enzymes, including aspartate aminotransferase (AST), alkaline phosphatase (ALP), and alanine aminotransferase (ALT) in ovariectomized rats. Materials and Methods: Female Wistar rats were divi...
By making use of the techniques of power spectrum analysis and simple linear filtering procedures, it is shown that the amplitude of the 27-day variation of the geomagnetic disturbance index Ci is subject to a significant semiannual modulation. It is also shown that there is no amplitude modulation of this component with other periods such as the annual or 11-year period. The semiannual amplitu...
this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...
IntroductionHigh convection volumes in haemodiafiltration (HDF) result improved survival, however, it remains unclear whether is achievable all patients.MethodsCONVINCE, a randomised controlled trial, patients with end-stage kidney disease 1:1 to high-dose HDF versus high-flux haemodialysis continuation. We evaluated the proportion of achieving target: volume per visit ≥23 L (range ±1 L), at ba...
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