يعرض 1,261 - 1,280 نتائج من 1,400 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 10 i decrease ) OR ( a systematic decrease ))))*', وقت الاستعلام: 0.32s تنقيح النتائج
  1. 1261

    Covid-19 pandemic and quality of life among Romanian athletes حسب Cosma, Germina Alina

    منشور في 2021
    "…Trait anxiety has an increasing effect on the intensity of the negative impact of the COVID-19 pandemic, 0.23, CI 95% (.10, 0.35), Z = 3.56, p < 0.01, and the negative impact of the COVID-19 pandemic has a decreasing effect on quality of life, −0.47, CI 95% (−0.67, −0.27), Z = −4.62, p < 0.01. …"
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  2. 1262
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  4. 1264

    Experimental study on combustion, performance, and emission behaviours of diesel /WCO biodiesel/Cyclohexane blends in DI-CI engine حسب Elkelawy, Medhat

    منشور في 2021
    "…The experiment activity changed the fuel injection pressure of 150 and 250 bar, respectively, while the WCOB blends of B60D35c5, B60D30c10, and B60D25c15 have been used. The obtained results have been compared with the commercial diesel#1 and B60D40 fuel blends, respectively. …"
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  8. 1268

    Impact of COVID-19 lockdown on smoking (waterpipe and cigarette) and participants' BMI across various sociodemographic groups in Arab countries in the Mediterranean Region حسب Al Sabbah, Haleama

    منشور في 2022
    "…The highest percentages of obesity among smokers before the lockdown were in Oman (33.3%), followed by Bahrain (28.4%) and Qatar (26.4%), whereas, during the lockdown, the percentage of obese smokers was highest in Bahrain (32.1%) followed by Qatar (31.3%) and Oman (25%). According to the logistic regression model, the odds ratio of smoking increased during the pandemic, whereas the odds ratio of TV watching decreased. …"
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  9. 1269
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  11. 1271

    Effect of pH on dissolution of iron sulfide scales using THPS حسب Ahmed, Musa

    منشور في 2019
    "…Iron Sulfides scale has been a critical problem for oil and gas wells for several decades. One of the best candidates to remove these scales is tetrakis(hydroxymethyl)phosphonium sulfate (THPS). …"
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  12. 1272

    Performance and analysis of kappa-carrageenan hydrogel for PFOA-contaminated soil remediation wastewater treatment حسب Alsaka, Lilyan

    منشور في 2024
    "…Finally, the kC-0.3%AC hydrogel removed 81.1% of PFOA from wastewater of 179 mg/L initial concentration compared to 79.3% for the kC-3%V hydrogel. …"
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    article
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