نتایج جستجو برای: plateau
تعداد نتایج: 25904 فیلتر نتایج به سال:
Background & Aim: Tibial plateau fractures are among the most important fractures which involve knee, as one of the most important weight-bearing articulates, whose injuries may lead to major functional disorders. Patients and Method : This descriptive cross-sectional study was performed on 54 patients with tibial plateau fractures who were referred to Hazrat Rasool-e-Akram Hospital betwee...
using global free air gravity and topography data, first we have calculated a bouguer anomaly (ba) map for iranian plateau and then computed the residual isostasy anomaly map under the airy-heiskannen assumption. the term residual is used as to reflect the assumption of local isostatic compensation in contrast to a regional isostatic compensation. the value with which the gravity effect of the ...
The Manihiki Plateau is an elevated oceanic volcanic plateau that was formed mostly in Early Cretaceous time by hotspot activity. We analyze new seismic reflection data acquired on cruise KIWI 12 over the High Plateau region in the southeast of the plateau, to look for direct evidence of the location of the heat source and the timing of uplift, subsidence and faulting. These data are correlated...
Word segmentation in continuous speech is a complex cognitive process. Previous research on spoken word segmentation has revealed that in fixed-stress languages, listeners use acoustic cues to stress to de-segment speech into words. It has been further assumed that stress in non-final or non-initial position hinders the demarcative function of this prosodic factor. In Persian, stress is retract...
the aim of the study is the classification of landform based on elevation, slope, relief and curvature inputs (old method) and topographic position index (tpi) (new method) in the south of bojnoord. the input data for the two methods is a digital elevation model (dem). the results of topographic position index (tpi) model showed that most area of landform were covered by class 5 (plains small) ...
BACKGROUND The Tibetan Plateau is not only the highest and largest plateau on earth; it is also home to numerous freshwater lakes potentially harbouring endemic faunal elements. As it remains largely unknown whether these lakes have continuously existed during the Last Glacial Maximum (LGM), questions arise as to whether taxa have been able to exist on the plateau since before the latest Pleist...
In 12-15-day pregnant rat myometrium, spikes of the longitudinal muscle were discharged spontaneously in burst, while the circular muscle had predominantly a plateau potential. In the longitudinal muscle, phenylephrine (10(-7) g/ml) slightly decreased the duration of the burst discharge and suppressed the contraction by beta-adrenoreceptor stimulation. In the circular muscle, phenylephrine (10(...
German knows two plateau-based phrase-final intonation contours: the high level plateau of the continuation rise and the descending plateau sequence of the calling contour. They occur within a narrow scaling range of only a few semitones. The paper presents production and perception evidence for a third plateau-based phrase-final intonation contour inside this narrow scaling range. The new plat...
Solid propellant burning rate is highly dependent on the pressure, so that the combustion duration propellant rocket engines, combustion vibration leads to considerable changes in pressure. This could lead to an explosion in rocket engines. The best case is propellant combustion independent of pressure. Ballistic modifiers added to propellant formulation for reduce pressure sensitivity and re...
Prehistoric archaeological sites in the center of the Iranian Plateau suddenly disappeared around the end of the 4th millennium BCE. At Tepe Sialk, near Kashan, the last cultural period, namely Sialk IV - probably established around 3400 BCE after the last settlements of Sialk III6-7b - was abandoned approximately after 500 years. The material culture of this period, known as Proto-Elamite peri...
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