منابع مشابه
Grouped Bees Algorithm: A Grouped Version of the Bees Algorithm
In many non-deterministic search algorithms, particularly those analogous to complex biological systems, there are a number of inherent difficulties, and the Bees Algorithm (BA) is no exception. The BA is a population-based metaheuristic search algorithm inspired by bees seeking nectar/pollen. Basic versions and variations of the BA have their own drawbacks. Some of these drawbacks are a large ...
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...
Perianal Comedones: A Rare Incidental Finding
Comedones occur when an overproliferation of keratinocytes blocks sebum secretion in a pilosebaceous duct. Comedones have multiple possible etiologies and contributing factors. While comedones are common to acne, they are also seen in occupational exposures and are associated with certain syndromes. We describe a particularly rare case of comedones at the perianus that is not associated with an...
متن کاملChildhood flexural comedones: a new entity.
BACKGROUND Comedones are usually found in acne and involve the seborrheic areas of the skin. Disseminated comedones can be found in other skin disorders. Flexural comedones are characterized by double orifices connected by a thin layer of epidermis that reveals the comedo content below it. To the best of our knowledge, flexural comedones have not been previously described as an entity. Our obje...
متن کاملPsoriasin and follicular hyperkeratinization in acne comedones.
pathological circumstances [5] . In the meantime, psoriasin has been suggested to be involved in the pathogenesis of inflammatory skin diseases, and its levels were found to increase in response to inflammatory stress. In addition, retinoic acid (RA) and inflammatory agents have been implicated in the upregulation of psoriasin [6, 7] . Psoriasin was shown to be induced not only in psoriatic epi...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1922
ISSN: 0035-9157
DOI: 10.1177/003591572201500343