يعرض 481 - 500 نتائج من 979 نتيجة بحث عن '(( 0 30 decrease ) OR ( 5 ((((nn decrease) OR (a decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.22s تنقيح النتائج
  1. 481
  2. 482

    Energy recovery and nutrients recycling from municipal sewage sludge حسب Das, Probir

    منشور في 2020
    "…With the increase in HTL reaction time, the concentration of nitrogen in the APL increased (5.1 to 6.8 mg/L) while the concentration of phosphorus decreased (0.89 to 0.22 mg/L); the opposite was observed for the biochar. …"
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  3. 483
  4. 484

    Tobacco Use and Its Health Effects among Professional Athletes in Qatar حسب Chaabane, Zaina

    منشور في 2016
    "…The objective of the study was to determine the effects of tobacco use on selected markers of health and lung function in professional athletes. A total of 108 male professional athletes participated in the study from ten ball game teams in the same sport league in Qatar (age = 26.4 ± 5.1 yrs, height = 190.6 ± 11.9 cm, and weight = 91.5 ± 16.4 kg). …"
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  5. 485

    Microbially induced calcite precipitation in calcareous soils by endogenous Bacillus cereus, at high pH and harsh weather حسب Oualha, Meriam

    منشور في 2020
    "…Microbially induced calcite precipitation (MICP) improves the physical properties of soils by increasing the solid content, decreasing the pore sizes and improving the rigidity of the particle-to-particle contact ending with a better mechanical and geotechnical performances of the soils. …"
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  6. 486

    Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters حسب Maarouf, Alaa

    منشور في 2024
    "…The dominant algae genus was identified using a light microscope, and ultrasound waves with a low frequency of 40 kHz and a power density of 0.024 W/cm³ were applied at different time intervals (0 – 80 minutes) at time intervals of 5 minutes. …"
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  7. 487

    Magnetorheological damper with external excitation for more efficient control of vehicles? dynamics حسب Sassi S.

    منشور في 2018
    "…The experimental tests made on the first prototype featuring this new technology was promising. The excitation of a set of 12 coils surrounding the body of the damper, by an electric current of 5 A, managed to increase the damping coefficient by up to 75%. …"
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  8. 488
  9. 489
  10. 490

    Mechanism and kinetics of electrochemical degradation of uric acid using conductive-diamond anodes حسب Dbira, Sondos

    منشور في 2016
    "…Hence, the degradation of UA (2,6,8-trihydroxy purine) in aqueous solution of pH 3.0 has been studied by conductive-diamond electrochemical oxidation. …"
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  11. 491
  12. 492

    Burden of diabetes mellitus attributable to demographic levels in Qatar: An emerging public health problem حسب Bener, Abdulbari

    منشور في 2014
    "…YLL for men and women was fluctuating across the years with a decrease in 2011 (18%) from 2007 (35%). Men and women in the age group 30-44 years had the highest peak across the years.Conclusion The study findings revealed that diabetes disease burden was considerably high in Qatar, particularly in the working age group. …"
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  13. 493

    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

    منشور في 2016
    "…Two batches of sensors were tested in this work: i) sensors based on graphene only, and ii) sensors based on graphene and percolating films of Au nanoclusters, each has a thickness of 5 nm. For nanocluster deposition, each graphene sample was fixed on a cryostat finger. …"
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  14. 494
  15. 495
  16. 496

    Correlation between delta-endotoxin and proteolytic activities produced by Bacillus thuringiensis var. kurstaki growing in an economic production medium حسب Ennouri, Karim

    منشور في 2013
    "…Maximal protease activity (540-2468 UI) obtained by BUPM5-1 and BUPM5-2 was 2.34-fold and 10.7-fold, respectively, more than that obtained by the wild strain BUPM5 with a drastic decrease of their delta-endotoxin production. …"
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  17. 497

    Utilization of Two Microalgae Species, Synechococcus sp. and Cheatoceros sp., for Aquatic Toxicity Assessments in the Qatari Marine Environmen حسب Bacha, Sarah

    منشور في 2016
    "…The cultures were maintained at 22 ± 1.0°C, under a 14 h:10 h/light:dark cycle provided by cool white fluorescence light (7000 ± 10% lux), in nutrient-enriched synthetic seawater (F/2 medium) at pH 8.0 ± 0.5 and salinity 40 g/L. …"
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  18. 498
  19. 499

    Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser حسب Mousa, Ali M. [علي مطشر موسى]

    منشور في 1995
    "…Doped sample Tann = 200- 500 C for time t mn = 45 subjected to subsequent thermal annealing (at the temperature and to plused leacr annealing (en<5rgy density in a min) pluse E=5.2 - 9.5 J/cm2) in order to establish optimal condition. …"
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  20. 500