منابع مشابه
Safe in the Sun
سرطانهای جلدی را می توان به انواع پیش بدخیم و بدخیم تقسیم نمود. شایعترین ضایعه جلدی پیش بدخیم، کراتوز آفتابی نام دارد که بصورت ضایعات خشک و دلمه دار جلدی بروز می کنند - لنتیگو آفتابی یک ضایعه پیش بدخیم دیگرن است که بصورت لکه های قهوه ای و صاف (غیر برجسته روی پوست مشاهده می شوند) ضایعات پیش بدخیم در صورت عدم درمان می توانند بدخیم شوند.
متن کاملLog Mirror Symmetry and Local Mirror Symmetry
We study Mirror Symmetry of log Calabi-Yau surfaces. On one hand, we consider the number of “affine lines” of each degree in P\B, where B is a smooth cubic. On the other hand, we consider coefficients of a certain expansion of a function obtained from the integrals of dx/x ∧ dy/y over 2chains whose boundaries lie on Bφ, where {Bφ} is a family of smooth cubics. Then, for small degrees, they coin...
متن کاملSun Exposure, Sun-Related Symptoms, and Sun Protection Practices in an African Informal Traditional Medicines Market
Informal workers in African market trade have little formal protection against sun exposure. We aimed to examine sun exposure, sun-related symptoms, and sun protection practices in an informal occupational setting. Trained fieldworkers asked 236 workers in the Warwick Junction market about their workplace, skin and eye sensitivity and skin colour, symptoms faced at work during the summer due to...
متن کاملSun exposure, sun protection and sunburn among Canadian adults.
BACKGROUND Ultraviolet radiation (UVR) exposure and a history of sunburn are important risk factors for skin cancer. Sunburn is more common among men, younger age groups, and people in higher income households. Sun protection measures also vary by sex, age, and socioeconomic characteristics. Associations between ambient UVR and sunburn and sun safety measures have not been quantified. DATA AN...
متن کاملSpectral characterizations of sun graphs and broken sun graphs
Several matrices can be associated to a graph such as the adjacency matrix or the Laplacian matrix. The spectrum of these matrices gives some informations about the structure of the graph and the question “Which graphs are determined by their spectrum?” remains a difficult problem in algebraic graph theory. In this article we enlarge the known families of graphs determined by their spectrum by ...
متن کاملBenchmarking the Sun HPC3500, Sun HPC6500 and the Wildfire system
High performance computers are analysed using simple MPI, OpenMP and mixed mode Game of Life codes. Direct comparison between the HPC 3500 and HPC 6500 is used to approximate the operating system overhead present, and it is found that operating system uses up to 5% of the machine’s processing power. Vast performance increases are discovered when using OpenMP on the HPC 6500, which are due to ca...
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عنوان ژورنال:
فصلنامه علمی پژوهشی پژوهشهای قرآنیجلد ۱۱، شماره ۴۲-۴۳، صفحات ۴-۱۵
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