منابع مشابه
Neurochemical bases of defensive behavior in animals.
This paper presents a literature review and the author's own investigations devoted to identifying the morphological organization of different subcortical structures and neurochemical processes involved in the (regulation of defensive behavior. The effects of intrahypothalamic injections of two cholinomimetic substances, carbachol and d-tubocurarine, on rage and fear reactions were explored. Al...
متن کاملpricing unemployment insurance : the case of iran
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
Tyraminergic and Octopaminergic Modulation of Defensive Behavior in Termite Soldier
In termites, i.e. a major group of eusocial insects, the soldier caste exhibits specific morphological characteristics and extremely high aggression against predators. Although the genomic background is identical to the other non-aggressive castes, they acquire the soldier-specific behavioral character during the course of caste differentiation. The high aggressiveness and defensive behavior is...
متن کاملDefensive Behavior of Free-Ranging Pygmy Rattlesnakes (Sistrurus miliarius)
Sistrurus miliarius frequently bites humans in the southeastern United States. We used a large population of S. miliarius in central Florida to investigate the importance of several factors on the defensive behavior of this species. Upon detection of a snake, we tapped the snout of the snake with a gloved hand. We recorded whether the snake struck or fled. Our large sample size (N 5 336) allowe...
متن کاملsynthesis and characterization of some macrocyclic schiff bases
ماکروسیکلهای شیف باز از اهمیت زیادی در شیمی آلی و دارویی برخوردار می باشند. این ماکروسیکلها با دارابودن گروه های مناسب در مکانهای مناسب می توانند فلزاتی مثل مس، نیکل و ... را در حفره های خود به دام انداخته، کمپلکسهای پایدار تولید نمایند. در این پایان نامه ابتدا یک دی آلدئید آروماتیک از گلیسیرین تهیه می شود و در مرحله بعدی واکنش با دی آمینهای آروماتیک و یا آلیفاتیک در رقتهای بسیار زیاد منجر به ت...
15 صفحه اولPaternal effects on the defensive behavior of honeybees.
The defensive behavior of 52 hybrid honeybee (Apis mellifera L.) colonies from four sets of crosses was studied and compared with that of European and Africanized bee colonies. Colonies containing F(1) hybrid workers were obtained through reciprocal crosses between European and Africanized bees. The total number of stings deposited by workers in a moving leather patch in 1 min was recorded. In ...
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عنوان ژورنال:
فصلنامه تخصصی جنگ ایران و عراقجلد ۱، شماره ۲، صفحات ۳۸-۵۲
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