In this paper‎, ‎an efficient dropping criterion has been used to compute the IUL factorization obtained from Backward Factored APproximate INVerse (BFAPINV) and ILU factorization obtained from Forward Factored APproximate INVerse (FFAPINV) algorithms‎. ‎We use different drop tolerance parameters to compute the preconditioners‎. ‎To study the effect of such a dropping on the quality of the ILU ...

1 Ghent University, Department of Agricultural Economics, Coupure links 653, B-9000 Gent, Belgium 2 University of Surrey, School of Psychology, Guildford Surrey, GU2 7XH, United Kingdom 3 International Rice Research Institute (IRRI), Los Baños, Laguna, Philippines 4 CIS-IUL, Instituto Universitario de Lisboa, 1649-026, Lisbon, Portugal 5 University of Évora, Department of Pyschology, 7005-345 É...

the objective of this research is to identify arabidopsis thaliana genes encoding acid phosphatases induced by phosphate starvation. multiple alignments of eukaryotic acid phosphatase amino acid sequences led to the classification of these proteins into four groups including purple acid phosphatases (paps). specific primers were degenerated and designed based on conserved sequences of paps isol...

introduction: the impact of chromium exposure was studied on liver, kidney, testis, spleen, cerebrum and cerebellum of male wistar rats (80-100 g body weight). material & method: it was observed that treatments of rats with chromium (i.p. at a dose of 0.8 mg / 100 g body weight per day) for a period of 28 days caused significant increase in chromium content while declining the body weight along...

conclusions the elevation of hmw-alp activity in cu treated animal suggests the occurrence of biliary disease. this may be used as a biomarker for the diagnosis of copper toxicity. results obtained data showed that with increasing administration of copper, the alp activity was elevated significantly. in comparison with the control group the elevations were between 20%-56% using gel filtration c...

a Department of Informatics Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal b Department of Informatics Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Universidade de Coimbra— Pólo II, 3030-790 Coimbra, Portugal c Centre for Informatics and Systems, Universidade de Coimbra, DEI, Pólo II, Pinhal de Marrocos, 3030-290 Co...

background: to investigate the effect of cana2-edta and experimental diabetes (iddm) on zinc and carbohydrate metabolism and the activities of got, gpt and alkaline phosphatase. methods: forty male normal albino (wistar) rats of 8 weeks of age were fed with a basal diet. twenty rats were then intraperitoneally injected with alloxan to induce diabetes. then after one week ten rats from each grou...