نتایج جستجو برای: middle right 500 hpa
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This study finds an increasing trend in the decay timescale (τ) of western North Pacific (WNP) tropical cyclone (TCs) making landfall on Asian continent from 1966–2018. Statistical analysis individual landfalling TCs shows that τ is significantly positively linked to soil wetness, 850-hPa relative vorticity and 200-hPa divergence, whereas it weakly correlated with 700–500-hPa humidity 850–200-h...
In situ measurements of atmospheric ozone (O3) are performed routinely from many research aircraft platforms. The most common technique depends on the strong absorption of ultraviolet (UV) light by ozone. As atmospheric science advances to the widespread use of unmanned aircraft systems (UASs), there is an increasing requirement for minimizing instrument space, weight, and power while maintaini...
در این مقاله، همبستگی بین اُزن کلی (Total ozone) و ارتفاع ژئوپتانسیلی (Meteorological parameters) و دمای جوٌ بالا (Upper air) برای سه ایستگاه تهران، آنکارا و بت داگان (Bet Dagan) واقع در منطقه خاورمیانه در دوره سه ماه سرد ژانویه، فوریه و مارس در سالهای 2005 ، 2007 و 2008 بررسی شده است. دادههای جوٌ بالا مربوط به دانشگاه وایومینگ و دادههای اُزن مربوط به دادههای ماهواره است. نتایج بررسی ضرایب ه...
Analysis of the restriction endonuclease Hpa 1-beta globin gene linkage has been performed in a predominantly Arab population of North Africa possessing the sickle (beta A) gene is found associated with a 7.6 kilobase) or 7.0 kb Hpa 1 fragment (54/54 assignable beta A genes), whereas the beta S gene is found associated with a 13 kb Hpa 1 fragment (42/42 assignable beta S genes). The results dem...
The China National Climate Center and Centers for Environmental Prediction data were used in this work. Using the knowledge of synoptic principles analysis, rain snow weather process middle east from December 28 to 30, 2020 was analyzed. results show that: 1) This a large-scale precipitation process. Affected by cold wave, temperature drops sharply, many places dropped below extreme value, acco...
Heavy precipitation plays a significant role in arid and semi-arid regions of Iran. In order to understand the effect of blocking high system on rainfalls in northwest Iran during 25 - 28 October 2008, meteorological conditions including pressure, wind fields and temperature at multiple levels of the atmosphere were analyzed. Sea level pressure, the 1000-500 hPa thickness, perceptible water, re...
OBJECTIVE We investigated whether preeclampsia is a risk factor for cochlear damage and permanent hearing loss. STUDY DESIGN Prospective case-control study design. SETTING Academic tertiary medical center. PATIENTS Subjects included 40 patients with preeclampsia and 30 healthy pregnant women. INTERVENTIONS Otoscopic examinations and pure-tone audiometry, tympanometry, otoacoustic emissi...
Hypothalamic communication with the rest of the brain is critical for accomplishing a wide variety of physiological and psychological functions, including the maintenance of neuroendocrine circadian rhythms and the management of affective processes. Evidence has shown that major depressive disorder (MDD) patients exhibit increased functioning of the hypothalamic-pituitary-adrenal (HPA) axis. Ne...
Ahvaz can be regarded as one of the most polluted cities in the world in terms of air pollution. Successive years of drought and weather conditions in recent years have resulted in particulate matter (PM10) concentration in Ahvaz. In this study, using probability distribution techniques, an appropriate threshold to identify the PM10 maximum extreme concentrations (MEC) has been detected. Based ...
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