Search
Now showing items 81-90 of 358
Hot and Hypoxic environments inhibit simulated soccer performance and exacerbate performance decrements when combined
(
Frontiers Media S.A.
, 2016 , Article)
The effects of heat and/or hypoxia have been well-documented in match-play data.However,large match-to match variation for key physical performance measures makes environmental inferences difficult to ascertain from soccer ...
Waste audit: Pathway to attain sustainability at Qatar University
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Waste audit has proved to be a valuable first step in development of a viable waste minimization and recycling program. Waste characterization has been successfully used at many educational institutions in the United States ...
Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
P. juliflora is highly recognized for its invasive character and its detrimental effects on different plant species due to the presence of allelochemicals across the world. The purpose of this study is to assess the ...
Microbial Mats from the Khor Al-Adaid Sabkha, Qatar: Morphotypes and Association with Authigenic Minerals
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
The sabkhas (i.e., salt flats) of Qatar are among the rare places on Earth where carbonate and sulfate minerals similar to those constituting economically important hydrocarbon reservoirs are still forming today, under the ...
Synephrine as Antioxidant: Application in Quenching of Photo Induced Radical of Anthraquinone and Naphthoquinone
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Photosensitive molecules such as quinones in drugs may become activated by exposure to UV-A light (320-400 nm) of the solar spectrum and cause damages to biological materials such as amino acids, nucleic acids, lipids, ...
valuation of salt tolerance in selected Qatari halophytes at the two initial growth stages
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Scarcity of water and availability of land for agricultural production are the most environmental issues that facing the (GCC) countries and Qatar one of them. Qatar lies in region which characterized by having high ...
Environmental Factors Affecting the Growth and Enzymatic Activity of Ceratocystis Radicicolathe Causal Agent of Black Scorch Disease on Date Palm
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Background: Ceratocystis radicicola is a soil-borne pathogen (Wingfield et al, 1993) causing sudden death of date palm (Phoenix dactylifera) in USA and South Africa (Bliss, 1941; Lind & Smit, 1999). It also has been reported ...
Enhancing the Remediation Capacity of Mercury Ions from Fluorescent Lamp Using Roasted Date Pits and Its Modified Forms
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
One of the most toxic heavy metals in the environment is mercury (Hg). However, it still has major uses in various industrial and agricultural applications; leading to localized mercury pollution. There has been an increase ...
Uncovering responses of zooplankton community to CO2 acidification in Qatar coastal waters
(
Hamad Bin Khalifa University Press
, 2016 , Conference Paper)
The combustion of fossil fuels is pushing atmospheric concentrations of carbon dioxide (CO2) to unprecedented levels. This rapid increase in atmospheric CO2 is causing global changes, with noticeable increases in temperature, ...
Comparison of Mental Toughness and Power Test Performances in High-Level Kickboxers by Competitive Success
(
Tehran University of Medical Sciences
, 2016 , Article)
Background
Kickboxing is a high-intensity intermittent striking combat sport, which is characterized by complex skills and tactical key actions with short duration.
Objectives
The present study compared and verified ...