American Journal of Science, Engineering and Technology

Volume 6, Issue 1, March 2021

  • Biosorption of Copper and Lead from Human Blood Plasma Using allium cepa

    Jibunor Victor Udoka, Maaji Paul Sheba, Nnachi Chima, Elebo Abuchi

    Issue: Volume 6, Issue 1, March 2021
    Pages: 1-7
    Received: Sep. 30, 2020
    Accepted: Oct. 19, 2020
    Published: Mar. 12, 2021
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    Abstract: Lead and Copper are inorganic pollutants that are non-biodegradable. When released into the environment, they have adverse effect on human beings and animals when ingested. Allium cepa (Onion) is a vegetable product largely consumed for its potential therapeutic importance. This study investigates the efficacy of Allium cepa in removal of Cu2+ and ... Show More
  • Cost Optimization in Building Construction Projects with Special Reference to Kathmandu Valley of Nepal

    Surendra Kumar Karn, Khet Raj Dahal

    Issue: Volume 6, Issue 1, March 2021
    Pages: 8-19
    Received: Jan. 04, 2021
    Accepted: Jan. 12, 2021
    Published: Apr. 26, 2021
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    Abstract: Cost optimization is a process that should be carried out throughout the construction period to ensure that the cost of the project is within an allotted budget. Time and cost are the two most significant factors in any construction project. Cost increases with the time of construction. The objective of this study was to find out the factors that c... Show More