نتایج جستجو برای: turrets of middle
تعداد نتایج: 21179880 فیلتر نتایج به سال:
A summary of research efforts for last several years on fluid-dynamics and aero-optics of hemisphere-on-cylinder turrets with flat or conformal windows is presented. A topology of flow behind turrets and both steady and unsteady sources of optical distortions are discussed. Scaling laws for levels of optical aberrations are proposed and results of several experimental studies are compared and d...
A summary of research efforts for last several years on fluid-dynamics and aero-optics of hemisphereon-cylinder turrets with flat and conformal windows is presented. The topology of flow behind turrets and both steady and unsteady sources of optical distortions are discussed. Scaling laws for levels of optical aberrations are proposed and results of several experimental studies are compared and...
peace and national security protection and ironic solving of international conflicts become the preliminary foundation of the united nations charter and had been considered as the main responsibilities of the security council, after world war ii and the establishment of united nations organization. therefore, the security council enables to analyze every kind of conflicts and challenges which ...
abstract governing was disorganized for years, when mongols attached to iran and it caused to clearing way for interference of mongols princes. dispatching of holaku to the west culminated in establishing iilkhanan government. holakus activities in destruction of abbaasis government and activities which shows his staying in iran, made force oulus juji to comparison against iilkhanis gover...
Nest ventilation in the leaf-cutting ant Atta vollenweideri is driven via a wind-induced mechanism. On their nests, workers construct small turrets that are expected to facilitate nest ventilation. We hypothesized that the construction and structural features of the turrets would depend on the colony's current demands for ventilation and thus might be influenced by the prevailing environmental ...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
BACKGROUND The 21-residue compact tertiapin-Q (TPNQ) toxin, a derivative of honey bee toxin tertiapin (TPN), is a potent blocker of inward-rectifier K(+) channel subtype, rat Kir1.1 (rKir1.1) channel, and their interaction mechanism remains unclear. PRINCIPAL FINDINGS Based on the flexible feature of potassium channel turrets, a good starting rKir1.1 channel structure was modeled for the acce...
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