نتایج جستجو برای: N2
تعداد نتایج: 19602 فیلتر نتایج به سال:
introduction: vitamin deficiency and iron deficiency anemia are common nutritional problems, at least in children under 5. these materials shortage, especially in the first two years of life, impair physical and brain growth, reduces the child's learning ability, reduces body resistance against infections, behavioral changes, apathy and finally social and economic adverse consequences woul...
the best recognized intestinal manifestation of food allergy is food allergic (food-sensitive) enteropathy. the feature of enteropathy may include lymphocyte and plasma cell infiltration, epithelial abnormality, or crypt hyperplastic villous atrophy, and impairing absorption, enterophaty continues while the food remains in the diet, remitting on an exclusion diet, and usually recurring on food ...
Missing data are a frequent problem in cost-effectiveness analysis (CEA) within a randomised controlled trial. Inappropriate methods to handle missing data can lead to misleading results and ultimately can affect the decision of whether an intervention is good value for money. This article provides practical guidance on how to handle missing data in within-trial CEAs following a principled appr...
The parent allenediazonium monocation H2C[double bond]C[double bond]CH(N2+) and ten of its substituted derivatives XYC[double bond]C[double bond]C(Z)N2+ (with F, CF3, Me, OMe, and Me2N as substituents) were studied by DFT at the B3LYP/6-31++G** level. Except for the Me2N-substituted derivative that forms a monocation-N2 complex, structurally intact allenediazonium ions were obtained as minima i...
Charles A. Morgan III*, Gary Hazlett, Anthony Doran, Stephan Garrett, Gary Hoyt, Paul Thomas, Madelon Baranoski, Steven M. Southwick Associate Professor of Psychiatry, Department of Psychiatry, Yale University School of Medicine, Connecticut Mental Health Center, Law and Psychiatry Division, 34 Park Street, New Haven, CT 06519-1187, USA Major, JFK Special Warfare Training Center and School, Uni...
10 گونه با 12 جمعیت از خانوادههای مختلف بومی ایران مورد بررسی قرار گرفتند. بررسب عدد کروموزومی گیاهان کمک شایانی در بدست آوردن اطلاعات تکاملی آنها می نماید.هدف از این بررسی بدست آوردن عدد کروموزومی گونهها و جمعیتهای مختلف گیاهان بود. بذر گونه ها از مناطق مختلف ایران جمع آوری گردید. دو گونه Melica persica و Silene vulgaris دارای دو جمعیت است. عدد کروموزومی Papaver rhoeas (14=n2) و Filipendula...
تحقیق حاضر عدد کروموزومی سلولهای غیر جنسی 7 گونه متعلق به 6 خانواده از ایران را گزارش میکند. عدد کروموزومی Epilobium palustre ;(36=n2) Geranium pyrenaicum ;(26=n2) Sium sisarum ;(20=n2) Veronica beccabunga (18=n2) برای اولین بار برای فلور ایران و Ferula persica (22=n2)؛ Tragopogon jesdianus (12=n2) برای اولین بار و گونه Bromusscoparius (2n=28) برای دومین بار از ایران گزارش میشوند و ایدیوگ...
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