American Journal of Science, Engineering and Technology

Volume 6, Issue 3, September 2021

  • Complexation of Disperse Dyes Derived from Thiophene with Cu, Co, Zn Metal and Their Application Properties on Polyester and Nylon 6.6 Fabrics

    Isaac Oluwatobi Abolude, Kasali Ademola Bello, Peter Obinna Nkeonye, Abdulraheem Giwa

    Issue: Volume 6, Issue 3, September 2021
    Pages: 45-58
    Received: Jun. 29, 2021
    Accepted: Jul. 22, 2021
    Published: Aug. 02, 2021
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    Abstract: Ethyl-4-((4-chlorophenyl)carbamoyl)-2-((5-cyano-2-hydroxy-1,4-dimethyl-6-oxo-1,6-dihydro-pyridin-3-yl) diazenyl)-5-methylthiophene-3-carboxylate and ethyl-4-((4-chlorophenyl) carbamoyl)-2-((5-cyano-1-ethyl-2-hydroxy-4-methyl-6-oxo-1,6-dihydropyridin-3-yl)diazenyl)-5-methylthiophene-3-carboxylate disperse dyes were synthesised in this study by the c... Show More
  • On-farm Demonstration of Homegarden Agroforestry Design and Its Role in Improving Livelihood of Small Holder Farmers at West Arsi Zone, Oromia, Ethiopia

    Bonsa Fentale Jilo, Zeleke Asaye Tiruneh, Gemeda Terfassa Fida

    Issue: Volume 6, Issue 3, September 2021
    Pages: 59-63
    Received: Jun. 02, 2021
    Accepted: Aug. 16, 2021
    Published: Aug. 31, 2021
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    Abstract: Food shortage and security are the major livelihood challenges that have been facing developing countries. Homegarden agroforestry is one of the agroforestry options to overcome these challenges. The research was designed to evaluate the design role in improving the livelihood of smallholders, to see the farmers’ perception of the design irrespecti... Show More
  • Prevalence of Depression and Associated Factors Among Diabetes Mellitus and Hypertensive Patient at Debre Berhan Referral Hospital, Ethiopia

    Esubalew Tesfahun, Samual Abebe

    Issue: Volume 6, Issue 3, September 2021
    Pages: 64-67
    Received: Aug. 11, 2021
    Accepted: Aug. 23, 2021
    Published: Aug. 31, 2021
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    Abstract: Background: The research finding confirmed that chronic illnesses are the major factors that exposed people to depression which is a common and serious medical illness that negatively affects how you feel the way you think and how you act.. Currently the incidence of depression increase among people affected with chronic illness. Despite this, howe... Show More
  • Evaluation of Deficit Irrigation Effect on Water Use Efficiency and Yield Response for Onion and Potato at Ketar Scheme

    Bayan Ahmed, Dinka Fufa, Asnake Tilaye

    Issue: Volume 6, Issue 3, September 2021
    Pages: 68-76
    Received: Aug. 04, 2021
    Accepted: Aug. 24, 2021
    Published: Sep. 04, 2021
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    Abstract: In the situation of improving water productivity, there is increasing interest in deficit irrigation practice whereby water supply is reduced below maximum levels and mild stress is allowed with minimal effects on yield. For this authorize, the study was conducted during the dry season for three years from December 2017 to May 2019 to study the eff... Show More
  • Management of Modern Technologies for Quality Educational Delivery in Public Universities in Rivers State, Nigeria

    Chinyere Catherine Ukala

    Issue: Volume 6, Issue 3, September 2021
    Pages: 77-83
    Received: May 19, 2021
    Accepted: Jun. 08, 2021
    Published: Sep. 06, 2021
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    Abstract: The study was spurred by poor maintenance and inadequate provision of modern technologies in universities in Rivers State, hence the need to manage the few modern ones available for quality educational delivery in public universities in Rivers State, Nigeria. The study was guided by three research questions and three hypotheses. Adopting an analyti... Show More
  • Identification of Critical Success Factors for Minimization of Cost of Poor Quality from the Construction Projects

    Shahid Mahmood

    Issue: Volume 6, Issue 3, September 2021
    Pages: 84-88
    Received: Apr. 23, 2021
    Accepted: Jun. 10, 2021
    Published: Sep. 10, 2021
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    Abstract: Cost of Poor Quality (COPQ) or cost of failure gets inducted in construction projects during work execution due to failure in preventing defects, reworks and wastage of resources. Poorly defined project objectives, inadequate feasibility studies coupled with poor project planning and designing lead to revision of designs and reworks at later stage ... Show More