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Browsing Volume 2 No. 1 by Issue Date

Browsing Volume 2 No. 1 by Issue Date

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  • THE DISTRIBUTION OF R2/(1-R2) IN THE AGGREGATED LINEAR REGRESSION MODEL 
    Younes,Adel Mousa; Ibrahim,Bassam Younes (Sudan University of Science and Technology, 2001)
    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 ...
  • A NEW DERIVATION OF THE GENERALIZED fIELD EQUATION WITH A SOURCE TERM 
    Abdalla ,mubark Dirarar; Sharaf Eldin ,Ali-Eltahir (Sudan of Soencc &Technology, 2001)
    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 ...
  • ANTIBACTERIAL ACTIVITY PF COMBRETUM ACULEATUM VENT 
    Khalil,Omer Mohamed; Almagboul,Aisha Zoheir; Ahmed, Mohammed Alfatih (Sudan University of Science and Technology, 2001)
    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 ...
  • 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 (Sudan University of Science and Technology, 2001)
    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 .
  • PREDICTION OF THE DEGREE OF HYDRATION OF ORDINARY CEMENT PASTE 
    Gaffer, Bakri Abdelrahim (Sudan University of Science and Technology, 2001)
    Tests were carried out on ordinary Portland ( OPC) paste speciments cured at 5, and 35C in order to investigate effect of w/c ratio,age of curing temperature on degree of hydration of cements

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