نتایج جستجو برای: 237
تعداد نتایج: 6399 فیلتر نتایج به سال:
in journal: 1, László I., Szoke É. and Tyihák E. (1998) Effect of Magnesium on the Methylation of Alkaloids in Datura innoxia Mill. Tissue Cultures. Magnesium Research, 11, 236-237.
We have deduced the cross section for 237 U(n, f) over an equivalent neutron energy range from 0 to 20 MeV using the surrogate ratio method. A 55 MeV 4 He beam from the 88 inch cyclotron at Lawrence Berkeley National Laboratory was used to induce fission in the following reactions: 238 U(α, α f) and 236 U(α, α f). The 238 U reaction was a surrogate for 237 U(n, f), and the 236 U reaction was us...
1. Toyoda Y, Shinohara N, Harabayashi T. Survival and prognostic classification of patients with metastatic renal cell carcinoma of bone. Eur Urol. 2007;52:163–9. 2. Sheth S, Scatarige JC, Horton KM. Current concepts in the diagnosis and management of renal cell carcinoma: role of multidetector CT and three-dimensional CT. Radiographics. 2001;21:237–41. 3. Zisman A, Pantuck AJ, Dorey F. Improve...
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BACKGROUND AND PURPOSE This study was conducted to determine the risk factors for ischemic stroke in a defined Russian population. METHODS Our data are based on a population-based case-control study of 237 patients with first-ever ischemic stroke and 237 age- and sex-matched controls. Logistic regression methods for matched pairs were used to estimate the relative risk for the variables studi...
A graph polynomial q(G; ) has recently been studied byArratia et al. [The interlace polynomial: a new graph polynomial, in: Proceedings of the EleventhAnnual ACM-SIAM Symposium on Discrete Mathematics, San Francisco, CA, 2000, North-Holland, Amsterdam, pp. 237–245]. That polynomial can be derived from the restricted Tutte–Martin polynomial of an isotropic system, which we introduced [A. Bouchet...
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