منابع مشابه
The Feathered Clarinet Reed
In this research, a method previously applied to improve a digital simulation of the avian syrinx is adapted to the geometry of the clarinet reed. The clarinet model is studied with particular attention to the case when the reed beats again the lay of the mouthpiece, closing off air flow to the bore once each period. In place of the standard reed table which gives steady-state volume flow as a ...
متن کاملThe little feathered ecosystem engineer
All animals have an effect on the environment, but some key species – called ecosystem engineers – can have a particularly large influence. Their impact can be positive, by creating and maintaining habitats and increasing biodiversity, but they can also be negative, by destroying habitats and reducing biodiversity. Interestingly, the magnitude of the effect that an ecosystem engineer has on the...
متن کاملPolyamines content in meat of feathered game
Information about polyamines content in food is of great interest for many researches and dieticians. The reason for increasing interest is due to polyamines specific biological role, including participation in tumour growth. In the study the content of polyamines (spermine and spermidine) in the breast and thigh muscles of selected feathered game, killed in a way typical for used farming metho...
متن کاملRich Neighbors
Theories of economic development suggest variously that national income increases or decreases the propensity for states to fight, while systematic evidence of the impact of development on warfare is ambiguous or non-existent. The lack of empirical support for nominally opposing claims can be reconciled if elements of both sets of arguments are partially correct. We use a formal model to constr...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1953
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay1287