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one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
رویه ی m در e3 را رویه وین گارتن گوییم هرگاه رابطه ژاکوبین بین انحنای گاوسی آن k و انحنای متوسط آن h برابر صفر باشد. هرگاه اعداد حقیقی a,b,c که هر سه همزمان صفر نیستند انحنای گاوسی k و انحنای متوسط h از رویه در رابطه خطی ak+bh = c صدق کند آنگاه m را رویه خطی وین گارتن نامیم. رویه های فوق الذکر را به ترتیب با w-رویه و lw-رویه نشان میدهیم. اگر دومین فرم اساسی رویه m در e3 ناتباهیده باشد، آنگاه دو...
Asboe-Hansen, G. (1958). Physiol. Rev. 38, 446. Budy, A. M. (1955). Arch. int. Pharmacodyn. 103, 435. Cantarow, A., Rakoff, A. E., Paschkis, K. E., Hansen, L. P. & Walkling, A. A. (1943). Proc. Soc. exp. Biol., N. Y., 52, 256. Courtice, F. C. (1943). J. Physiol. 102, 290. Dodds, E. C., Folley, S. J., Glascock, R. F. & Lawson, W. (1958). Biochem. J. 68, 161. Dodds, E. C., Golberg, L., Grunfeld, ...
Symbiotically essential genes have been identified in Rhizobium meliloti that are structurally and functionally related to chromosomal virulence (chv) genes of Agrobacterium tumefaciens. Homologous sequences also exist in the genomes of other fast-growing rhizobia including Rhizobium trifolii, Rhizobium leguminosarum, and Rhizobium phaseoli. In Agrobacterium, the chvA and chvB loci are known to...
The acridinone derivates 5-dimethylaminopropylamino-8-hydroxytriazoloacridinone (C-1305) and 5-diethylaminoethylamino-8hydroxyimidazoacridinone (C-1311) are promising antitumor agents with high activity against several experimental cellular and tumor models and are under evaluation in preclinical and early phase clinical trials. Recent evidence from our laboratories has indicated that both comp...
The potato psyllid, Bactericera cockerelli (šulc), has been detrimental to potato, tomato, and other solanaceous crop production in many countries. Management of B. cockerelli is dominated by frequent insecticide applications, but other approaches need consideration, including biological control. The sole arrhenotokous ectoparasitoid of nymphal potato psyllids is Tamarixia triozae (Burks) (Hyme...
larger scale than that for which their estimated effects were originally obtained, occurs across many different applications, programs, and disciplines. Economic models of scale-up, which are the concern of this chapter, have focused on particular types of scale-up effects that occur frequently in interventions where economic outcomes are the major interest and where program beneficiaries—in th...
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