Volume 2 No. 1 https://repository.sustech.edu/handle/123456789/16098 2026-04-09T00:52:08Z THE DISTRIBUTION OF R2/(1-R2) IN THE AGGREGATED LINEAR REGRESSION MODEL https://repository.sustech.edu/handle/123456789/16120 THE DISTRIBUTION OF R2/(1-R2) IN THE AGGREGATED LINEAR REGRESSION MODEL Younes,Adel Mousa; Ibrahim,Bassam Younes this study deals with simple linear regression model in the grouped data the coefficient of determination r2 bases on grouped data will always be higher than that based on ungrouped data since the increments of the r2 will be smaller for smaller number of data group points article 2001-01-01T00:00:00Z A NEW DERIVATION OF THE GENERALIZED fIELD EQUATION WITH A SOURCE TERM https://repository.sustech.edu/handle/123456789/16116 A NEW DERIVATION OF THE GENERALIZED fIELD EQUATION WITH A SOURCE TERM Abdalla ,mubark Dirarar; Sharaf Eldin ,Ali-Eltahir A "mpl: dc:nnllon oftbe 1C'!ICllIhud Held equ.alIOll ....1th III SOlIn>: 1I:.n, II pou~nted b)' rcsma,"I O\lI'5el'~11tI a 1ocaI1" ,nm..,) f'r:lme It rNuOCS to EmSla.a', rlCld equallOn ,,'ben the la,gnmgQll III lmlW Asswtu"8 thc memc to be MlIlko\\"sklllll. SImple soIUII0D5 for !he $l;;l.lu cur.'lIturc Iho" tbe c-~lIlencc ofI shan range field and the e""SlIOn ofJ1lI,.Il4t>Oml ,,-a,~ b) ab,r«ts ..boch hJ.,e stron, field!! article 2001-01-01T00:00:00Z ANTIBACTERIAL ACTIVITY PF COMBRETUM ACULEATUM VENT https://repository.sustech.edu/handle/123456789/16118 ANTIBACTERIAL ACTIVITY PF COMBRETUM ACULEATUM VENT Khalil,Omer Mohamed; Almagboul,Aisha Zoheir; Ahmed, Mohammed Alfatih Leaves extracts of combretum aculeatum vent were subjected to a preliminary antibacterial screening against two gram positive bacteria bacillus subtilis and taphylococcus aureus and two gram negative bacteria Escherichia coli and pseudomonas aeruginosa. article 2001-01-01T00:00:00Z EFFECT OF SEASONAL VARIATION ON GROWTH, TOTAL HEBAGE, OIL AND CONTENT IN LEMONGRASS(CYMBOPOGON CITRATUS STAPF https://repository.sustech.edu/handle/123456789/16119 EFFECT OF SEASONAL VARIATION ON GROWTH, TOTAL HEBAGE, OIL AND CONTENT IN LEMONGRASS(CYMBOPOGON CITRATUS STAPF SIRIBEL,AWATIF AHMED MOHAMED,GAAFAR MOHAMMED ELHASSAN ,BARAKAT MOHAMMED MODAWI ,; ELHASSAN,GAAFAR MOHAMMED; ELHASSAN,GAAFAR MOHAMMED; MODAWI,BARAKAT MOHAMMED the influence of time of sowing and season on performance of lemongrass was studied by evaluating its growth rate, oil and citral content under semi arid condition at shambat, sudan . article 2001-01-01T00:00:00Z