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Bulletin of the National Research Centre
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227 result(s) within Volume 45 of Bulletin of the National Research Centre

Page 5 of 5

  1. Toxicities of Vernonia amygdalina and Tithonia diversifolia leaf powders and extracts on larva and adult mortality of Dermestes maculatus on smoke-dried catfish were evaluated in the laboratory. The leaf powders ...

    Authors: Kayode David Ileke
    Citation: Bulletin of the National Research Centre 2021 45:28
    Content type: Research Published on:

  2. This study was aimed to determine the prevalence of qnr genes among fluoroquinolone-resistant Escherichia coli (FREC) isolates from Nigeria. Antimicrobial susceptibility testing was performed by disc diffusion te...

    Authors: Chibuzor M. Nsofor, Mirabeau Y. Tattfeng and Chijioke A. Nsofor
    Citation: Bulletin of the National Research Centre 2021 45:26
    Content type: Research Published on:

  3. Agriculture being one of the major practices in the world has contributed to environmental pollution, especially in developing countries where there were no equipment to recycle the agricultural wastes. Consid...

    Authors: Michael Olufemi Ashamo, Kayode David Ileke and Ayomiposi Idowu Onasile
    Citation: Bulletin of the National Research Centre 2021 45:25
    Content type: Research Published on:

  4. Cotton is the most widespread, profitable non-food crop in the world. Egypt is one of the greatest countries in producing cotton (Gossypium hirsutum L.) in the world. Many pests attacked cotton which reduced the ...

    Authors: Zakaria Abdelhalim Attia, Laila Ebada and Nasr Mohamed Abdelmaksoud
    Citation: Bulletin of the National Research Centre 2021 45:24
    Content type: Research Published on:

  5. Meckel’s diverticulum is the most frequent congenital anomaly of the gastrointestinal tract. It can invert or invaginate into the small intestine lumen. It is usually associated with heterotopic tissue elements.

    Authors: Mahmoud Kamel, Hani Barsoum, Suzan Talaat and Eman Mustafa
    Citation: Bulletin of the National Research Centre 2021 45:23
    Content type: Case Report Published on:

  6. Goats, often associated with sheep, are a vital part of the national economy in many countries around the world, and goat farming contributes significantly to the family economy, sustainable livelihoods and po...

    Authors: Nadjet Amina Ouchene-Khelifi, Nassim Ouchene and Mohamed Lafri
    Citation: Bulletin of the National Research Centre 2021 45:22
    Content type: Research Published on:

  7. The objective of this work is to identify the most proper herbicidal treatment on sugar beet to compare different single weed control herbicide doses on sugar beet traits and associated weeds as well as yield ...

    Authors: E. M. Abd El Lateef, B. B. Mekki, M. S. Abd El-Salam and I. M. El-Metwally
    Citation: Bulletin of the National Research Centre 2021 45:21
    Content type: Research Published on:

  8. Climatic factors have been shown to influence communicable disease dynamics especially in tropical regions where temperature could swing from extreme heat and dryness to wet and cold within a short period of t...

    Authors: Eric N. Aidoo, Atinuke O. Adebanji, Gaston E. Awashie and Simon K. Appiah
    Citation: Bulletin of the National Research Centre 2021 45:20
    Content type: Research Published on:

  9. The Coronavirus disease 2019 (COVID-19) outbreak has become a challenging global issue after its emergence in December 2019. Due to the high adaptation of the virus, COVID-19 demonstrated a high transmission a...

    Authors: Ghadha Ibrahim Fouad
    Citation: Bulletin of the National Research Centre 2021 45:19
    Content type: Review Published on:

  10. Ecological risk assessment of the levels of polycyclic aromatic hydrocarbons in soils of the abandoned sections of Orji Mechanic Village, Owerri, Imo State, Nigeria. The main objective of the study was to dete...

    Authors: Francis Chizoruo Ibe, Chidi Edbert Duru, Benaiah Obinna Isiuku and Jacienta Ngozi Akalazu
    Citation: Bulletin of the National Research Centre 2021 45:18
    Content type: Research Published on:

  12. The conventional pesticide formulations have many side effects on environmental. These effects were due to the huge quantity of pesticides used. Using of nanopesticide formulations can be reduced the quantity ...

    Authors: Al-kazafy Hassan Sabry, Hamdy Abdel-Naby Salem and Hala Mohamed Metwally
    Citation: Bulletin of the National Research Centre 2021 45:16
    Content type: Research Published on:

  13. Attention-deficit hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders, affects 5% of children worldwide and characterized by impaired inattention, hyperactivity and impulsivity...

    Authors: Olweya Mohammed Abd El Baaki, Enas Raafat Abd El Hamid, Safaa Taha Zaki, Amani Salah El Din Alwakkad, Rania Nabil Sabry and Eman Mohamed Elsheikh
    Citation: Bulletin of the National Research Centre 2021 45:15
    Content type: Research Published on:

  14. A series of metal solutions such as chromium sulphate, lead sulphate and nickel sulphate were prepared, and varying concentrations were used to model the optimum conditions that would favour the removal of the...

    Authors: David Ebuka Arthur and Augustina Aroh Oyibo
    Citation: Bulletin of the National Research Centre 2021 45:14
    Content type: Research Published on:

  15. Inclusion of the statistical approach in the planning stage of adequate experimental design is crucial for correctly achieving the required conclusions. Modern applied statistics has been used extensively in n...

    Authors: Mahfouz M. M. Abd-Elgawad
    Citation: Bulletin of the National Research Centre 2021 45:13
    Content type: Review Published on:

  16. This study aimed to evaluate the remaining amount of intra canal medicament in the root canals and their effect on microhardness of radicular dentine. In this study, ninety straight single-rooted teeth were us...

    Authors: Yousra Aly, Nada Omar, Engy M. Kataia, Maram E. Khallaf and Mohamed H. Zaazou
    Citation: Bulletin of the National Research Centre 2021 45:12
    Content type: Research Published on:

  17. The study evaluated the growth performance, haemabiochemical and antioxidant profile of two breeds of rabbits fed diets containing varying levels of Rhizopus stolonifer fermented cocoa pod husk meal (FCPHM). Coco...

    Authors: O. A. Olugosi, T. Ogunribido, J. O. Agbede and A. O. Ayeni
    Citation: Bulletin of the National Research Centre 2021 45:11
    Content type: Research Published on:

  19. Coptotermes sjostedti Holmgren (Isoptera:Rhinotermitidae) is one of the major termite species found infesting woods and other plant materials in Africa. Bioassays were carried out at the Arboretum of the Departme...

    Authors: Simon Idoko Okweche, Patrick Matthew Hilili and Edache Ernest Ekoja
    Citation: Bulletin of the National Research Centre 2021 45:9
    Content type: Research Published on:

  20. The global warming has become a worldwide problem affecting adversely the human being and the productivity of the livestock. This study aimed to investigate the effect of seasonal heat stress on the incidence ...

    Authors: Amal M. Abo El-Maaty, Mohamed A. Aly, Mohamed S. Kotp, Amal H. Ali and Mahmoud A. El Gabry
    Citation: Bulletin of the National Research Centre 2021 45:8
    Content type: Research Published on:

  21. This paper outlines the current status and mechanism for identifying dental implants, with emphasis on future direction and updated technology, and covers the existing factors influencing the identification of...

    Authors: Mohammad Ali Saghiri, Peter Freag, Amir Fakhrzadeh, Ali Mohammad Saghiri and Jessica Eid
    Citation: Bulletin of the National Research Centre 2021 45:7
    Content type: Review Published on:

  22. Eggplant is of great renown in Egypt and worldwide as it is favorable and high value vegetable crop. Yet, many plant-parasitic nematodes (PPNs) can penetrate the roots of this plant and feed on it, causing hea...

    Authors: Mahfouz M. M. Abd-Elgawad
    Citation: Bulletin of the National Research Centre 2021 45:6
    Content type: Review Published on:

  23. Antioxidants or vitamins are organic compounds that are needed in tiny quantities and have stimulatory role on growth and productivity of different plants. Two field experiments were conducted in two summer se...

    Authors: Elham Abd Elmoneim Badr, Mervat Shamoon Sadak, Gehan Shaker Bakhoum and Howida Hassan Ahmed Khedr
    Citation: Bulletin of the National Research Centre 2021 45:5
    Content type: Research Published on:

  24. Wildlife reservoirs not only act as a source of infection for vectors but also serve as hosts for the vectors themselves, supporting their populations. Their public health significance in developing countries ...

    Authors: Kingsley Uchenna Ozioko, Chris Ikem Okoye, Patience Obiageli Ubachukwu, Raymond Awudu Agbu, Bede Izuchukwu Ezewudo and Celestine Osita Ezea
    Citation: Bulletin of the National Research Centre 2021 45:4
    Content type: Research Published on:

  25. Hepatitis C virus (HCV) is a global medical condition that causes several life-threatening chronic diseases in the liver. The conventional interferon-free treatment regimens are currently in use by a blend of ...

    Authors: Stephen Ejeh, Adamu Uzairu, Gideon Adamu Shallangwa and Stephen E. Abechi
    Citation: Bulletin of the National Research Centre 2021 45:3
    Content type: Research Published on:

  26. Susceptibility studies keep farmers, managers and household users informed and enhance breeding program’s testing against infestation and damage by storage insect pests. Therefore, laboratory tests were carrie...

    Authors: Chilee Okpile, Usman Zakka and Luke Chinaru Nwosu
    Citation: Bulletin of the National Research Centre 2021 45:2
    Content type: Research Published on:
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The NRC has to correspond to the country's key production and services sectors through the research conducted in different areas of science and technology, scientific consultation and training as well.

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  • ISSN: 2522-8307 (electronic)