scholarly journals Randomization, Relaxation, and Complexity in Polynomial Equation Solving

2003 ◽  
Vol 3 (4) ◽  
pp. 347-420 ◽  
Author(s):  
D. Castro ◽  
M. Giusti ◽  
J. Heintz ◽  
G. Matera ◽  
L.M. Pardo

2004 ◽  
Vol 315 (2-3) ◽  
pp. 335-369 ◽  
Author(s):  
A. Bompadre ◽  
G. Matera ◽  
R. Wachenchauzer ◽  
A. Waissbein

2000 ◽  
Vol 16 (1) ◽  
pp. 70-109 ◽  
Author(s):  
Joos Heintz ◽  
Teresa Krick ◽  
Susana Puddu ◽  
Juan Sabia ◽  
Ariel Waissbein

2014 ◽  
Vol 15 (1) ◽  
pp. 159-184 ◽  
Author(s):  
Bernd Bank ◽  
Marc Giusti ◽  
Joos Heintz ◽  
Grégoire Lecerf ◽  
Guillermo Matera ◽  
...  

2017 ◽  
Vol 68 (2) ◽  
pp. 331-336
Author(s):  
Gabriela Isopencu ◽  
Mirela Marfa ◽  
Iuliana Jipa ◽  
Marta Stroescu ◽  
Anicuta Stoica Guzun ◽  
...  

Nigella sativa, also known as black cumin, an annual herbaceous plant growing especially in Mediterranean countries, has recently gained considerable interest not only for its use as spice and condiment but also for its healthy properties of the fixed and essential oil and its potential as a biofuel. Nigella sativa seeds fixed oil, due to its high content in linoleic acid followed by oleic and palmitic acid, could be beneficial to human health. The objective of this study is to determine the optimum conditions for the solvent extraction of Nigella sativa seeds fixed oil using a three-level, three-factor Box-Behnken design (BBD) under response surface methodology (RSM). The obtained experimental data, fitted by a second-order polynomial equation were analysed by Pareto analysis of variance (ANOVA). From a total of 10 coefficients of the statistical model only 5 are important. The obtained experimental values agreed with the predicted ones.


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