نتایج جستجو برای: 11 solar cycle periods so these two variables are correlated at 8
تعداد نتایج: 8922582 فیلتر نتایج به سال:
Longitudinal distributions of the photospheric magnetic field studied on the basis of National Solar Observatory (Kitt Peak) data (1976 – 2003) displayed two opposite patterns during different parts of the 11-year solar cycle. Heliolongitudinal distributions differed for the ascending phase and the maximum of the solar cycle on the one hand, and for the descending phase and the minimum on the o...
Longitudinal distributions of the photospheric magnetic field studied on the base of National Solar Observatory (Kitt Peak) data (1976–2003) displayed two opposite patterns during different parts of the 11-year solar cycle. Heliolongitudinal distributions differed for the ascending phase and the maximum of the solar cycle on one hand, and for the descending phase and the minimum on the other, d...
the present study set out (a) to examine the categories of pedagogical knowledge related to the act of teaching of novice and experienced teachers as gleaned from their verbal report of what they were thinking about while teaching and (b) to compare the categories of pedagogical knowledge of novice and experienced teachers. the aim of comparing these two groups of teachers was to see whether di...
with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...
abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...
Mid-range periodicities in solar flare occurrence have been analyzed with new methods for cycles 19–23. During cycle 23, periodicities of 129-d and 33.5-d were in operation. Five episodes of high activity occurred periodically with the 129-d period. The 33.5-d periodicity mainly operated for energetic flares. Results for cycles 19–21 are generally in agreement with previous analyses. For cycle ...
An influence of solar irradiance variations on Earth’s surface climate has been repeatedly suggested, based on correlations between solar variability and meteorological variables1. Specifically, weaker westerly winds have been observed in winters with a less active sun, for example at the minimum phase of the 11-year sunspot cycle2–4. With some possible exceptions5,6, it has proved difficult fo...
Background: Ultrasound is preferred as first imaging modality in the study of the female pelvis. In this article, we have tried to mention 8 points that each midwife or nurse needs to know for planning the time of sonography and analysis of findings. Results: During the menstrual cycle, all pelvic organs are influenced by cyclic changes. Thus, pathologic conditions of pelvis need to be well ass...
background: in general, measurements of solar ultraviolet (uv) radiation are related to horizontal surfaces. while the humans walking and standing outdoors expose to the natural solar uv radiation, their eyes, cheeks, extremities, trunks, or many other anatomical sites are close to vertical plane and random orient to different directions. in this study, we characterized the diurnal variations...
this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...
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