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Browsing Sudan Journal of Science and Technology by Issue Date

Browsing Sudan Journal of Science and Technology 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
  • SPIN AND ELECTROWEAK EFFECTS IN e+ e- PAIR NEUTRINO ANNIHILATION 
    HAIDAR,NAZIH WAJIH (Sudan University of Science and Technology, 2001)
    Differential and integrated cross section, as well as, integral forward-backward asymmetries of the e+ e- > v? v annihilation are studied for defferent e+ e- beams polarizations.
  • ESTABLISHMENT OF Capparis deciduas (FORSK.) EDGEW BY SEED IN THE NURSERY 
    ELKHALIF,KAMAL FADL ELSEED; ELAWAD,Magda (Sudan University of Science and Technology, 2001)
    Capparis decidua is one of the important tree species. Although it has economic importance, little or no information is available on its propagation. This study was undertaken to find out the optimum conditions for seed ...
  • NOTE ON THE SOLUTIONS OF COUPLED ELLIPTIC 
    bougoffa,lazhar (Sudan University of Science and Technology, 2001)
    A theorem is firstly proved which governs separation of a system of two coupled equations.This separation leads to study boundary value problems for elliptic equations. The existence and uniquencess of the generalizes ...
  • THE EFFECTS OF CYTOKININS AND THEIR INTERACTION WITH THIDIAZURON ON THE FORMATION OF AERIAL PLANTLETS IN ASPARAGUS 
    HASSAN ELSADIG,ELSADIG (Sudan University of Science and Technology, 2001)
    The effect of cytokinins on formation of aerial plantlets and production of spears in asparagus plants has been investigated. Asparagus cultivars UC 157,UC 66, 500W and lea were used as test plants. They were treated with ...
  • قياس اتجاهات طالبات المرحلة الثانوية بولاية الخرطوم نحو ممارسة النشاط الرياضى 
    محمد, عفاف عبدالرحيم (جامعة السودان للعلوم والتكنولوجيا, 2001-01-01)
    تهدف الدراسة لقياس اتجاهات طالبات المرحلة الثانوية بولاية الخرطوم نحو ممارسة النشاط الرياضى
  • قلق المنافسة الرياضية والسمات الانفعالية وعلاقتهما بنتائج البطولات لدى لاعبى فرق الممتاز لكرة القدم (بولاية الخرطوم) 
    على, عبدالله ابو سنينة (جامعة السودان للعلوم والتكنولوجيا, 2001-01-01)
    هدف هذا البحث للوقوف على ظاهرة قلق المنافسة الرياضية والسمات الانفعالية ودراستهما لدى فرق الممتاز لكرة القدم بولاية الخرطوم والتعرف على الفترة التى يرتفع فيها مستوى القلق ةتلك السمات الانفعالية الغالبة بين لاعبي فرق الممتاز ...
  • السكان والبيئة 
    تبيدى, سلوى ابوبكر; عثمان, انس محمد (جامعة السودان للعلوم والتكنولوجيا, 2001-01-01)
    تتعرض الورقة لعلاقات السكان بالموارد الطبيعية ودورها فى عدة مشكلات البيئية الاطار للعلاقات بين الكائنات الحية ويمثل الانسان اهم مكوناتها من حيث تاثيره على بقية العناصر ولذا فان هناك علاقة متابدلة بين السكان والبيئة نتجت ...
  • التقويم التربوى 
    محمد, عبدالغنى ابراهيم (جامعة السودان للعلوم والتكنولوجيا, 2001-01-01)
    تقوم وزارة التربية الولائية بوضع امتحانات مرحلة التلعليم الاساسى التى ينتقل بموجبها الطلاب من مرحلة التعليم الثانوى ومن ضمن المهام التى يقوم بها المركز القومى للمناهج والبحث التربوى مراجعة وتنقيح هذه الامتحانات لضمان ضبط ...
  • UPGRADED TEMPERATURE MATCHED CURING SYSTEM 
    GAAFAR,BAKRI ABDELRAHIM (Sudan University of Science and Technology, 2002)
    A computer controlled temperature matched curing system to simulate curing of concrete in structures is presented. The system has capability to accurately control ambient temperature against hydration temperature generated ...
  • MORPHOLOGICAL STUDIED AND CHARACTERSTIC OF ALKALOID CONTENTS OF THE SUDANESE PLANT KNOWN AS (WINCA) 
    MOHAMMED,AWATIF AHMED; HASSAN,GAAFAR MOHAMMEDL (Sudan University of Science and Technology, 2002)
    A plant grown in Sudan locally named(winca) was studied for its morphological features and its characteristic alkhaloids that determine its classification. It was found that this plant morphologically belongs to the genus ...
  • ANIMAL DISEASE MONITRING AND SURVEILLANCE SYSTEM PROPOSED FOR SUDAN (ADMSSS) 
    ELFADIL,ABDELHAMID AHMED (Sudan University of Science and Technology, 2002)
    Animal resources in the Sudan face particular challenges, as its efficiency and its economic contribution to the national economy is still below optimum. Inefficiency is largely related to the existence of animal diseases ...
  • COMBINED TOXICITY OF COUMAPHOS AND DIAZINON 
    ALI,SAHAR MOHAMMED; ALI . ABDEL MAJID ,OSMAN SAAD ALI ,; Ali,Osman Saad (Sudan University of Science and Technology, 2002)
    Two groups of Nubian goats were given 0.5 mg/kg/day coumaphos or diazinon. Another group of goats was given a mixture of coumaphos (0.25 mg/kg) and diazinon (0.25 mg/kg). The clinical and pathological investigations indicated ...
  • EFFECT OF DELTAMETHRIN (DIPPING AND FEEDING TRIALS) 
    Ali, Osman Saad; Osman,ILham Mohamed (Sudan University of Science and Technology, 2002)
    Comparative effects of Deltamethrin dipping baths and dietary levels of 0.0025,0.05 and 1% on Bovans-type chicks were investigated. Death caused 1% Deltamethrin dipping bath at week 3 was preceded by clinical illness in ...
  • THE USE OF NITROGEN LEVELS IN TREE LEAVES AS INDICATIVE OF ABILITY TO GROW IN COLLIERY SPOILS 
    Desouge, Mohamed Abdo (Sudan University of Science and Technology, 2002)
    Colliery spoils are known for showing variability and for presenting difficulties to afforestation. The problem in colliery that limit tree growth include element deficiencies and toxicity. Extreme spoil reaction is also ...
  • ANTIBACTERIAL ACTIVITY OF NIGELLA SATIVA LIN 
    Mona Abd Elmoneam; Alamin Ibrahim Elnim; Samia Ahmed Gummaa (Sudan University of Science and Technology, 2002)
    The antibacterial activity of nigella sativa seed extracts :n-hexance, chloroform, 70% MeOH, volatile oil, fixed oil and crude oil was investigated against ten pathogenic bacterial strains: Escherichia coli, pseudomonas ...

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