نتایج جستجو برای: 183 46
تعداد نتایج: 93623 فیلتر نتایج به سال:
and [[xy]z] + [[yz]x] + [[zx]y] = 0. Left multiplication in a Lie algebra is denoted by ad(x): ad(x)(y) = [x, y]. An associative algebra A becomes a Lie algebra A− under the product, [xy] = xy − yx. The first axiom implies that [xy] = −[yx] and the second (called the Jacobi identity) implies that x 7→ adx is a homomorphism of L into the Lie algebra (EndL)−, that is, ad [xy] = [adx, ad y]. Assum...
پژوهش حاضر با هدف پویایی شناسی جمعیت ماهی گل خورک، گونه ی scartelaos tenuis در مناطق ساحلی بندر پل در استان هرمزگان از مهر ماه 1388 تا شهریور 1389 انجام شده است. نمونه ها توسط دست صید شدند. تعیین سن گونه از دو روش اتولیت و استخوان باله ی سینه ای سمت چپ صورت گرفت که بر اساس آن پارامترهای رشد برتالانفی برای این گونه به دست آمد. برای گونه ی s.tenuis میزان 56/0= l?= 17/68،k و 46/0= t0 برای نمونه ها...
Accurate assessment of gestational age, fetal growth, and the detection of fetal and placental abnormalities are major benefits of sonography. Color Doppler can be used to assist in the identification of vascular architecture, detection of vascular pathology and visualization of blood flow changes associated with physiologic processes and disease states. The clinical applications of obstetrical...
A 13 year old female presented with ambiguous external genitalia, right inguinal ovotestis, left ovary, apparently normal Mullerian system, and absent Wolffian system. Cultured lymphocytes showed a 46,XX/46,XY karyotype. Histopathology of the gonads confirmed true hermaphroditism. The presence of two genetically different erythrocyte populations was observed. The findings suggested that the pat...
abstract: established in the nucleus of the scientific reservation pietrosu mare and set up in 1932 on a surface of 183 hectares, rodna mountains national park (r.m.n.p.) witnessed a remarkable spatial evolution, reaching today a 46 399- hectare territory. the management of this protected area is conducted by the employees of a.r.m.n.p., an administrative structure located in rodna, bistriţa-nă...
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