يعرض 481 - 500 نتائج من 1,092 نتيجة بحث عن '(( 19 a decrease ) OR ( 5 ((((fold decrease) OR (point decrease))) OR (a decrease)) ))', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 481
  2. 482

    Synthesis of Metallocene Catalyzed Ethylene 1,7-Octadiene Copolymer: Effect of Copolymerization on Polymer Properties حسب Rahaman M.

    منشور في 2018
    "…The tensile stress-strain plots show multiple necks. A reduction in tensile modulus, strength, and strain at break is seen for copolymers compared to homopolymer. …"
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  3. 483

    Re-emission of slow positrons from tungsten at elevated temperatures حسب Al-Qaradawi, I. Y.

    منشور في 2002
    "…Irrespective of target history, no sharpening of the energy spectrum of re-emitted positrons was observed as the remoderator temperature was increased. Further, a steady decrease in the apparent re-emitted positron intensity was observed, attributed primarily to the increase in positronium formation, as the temperature of the foil was increased from 20 to 500 °C. …"
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  4. 484
  5. 485
  6. 486

    Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane حسب Vasavi, Boggarapu

    منشور في 2024
    "…In addition, Differential scanning calorimetry (DSC)exhibited a decrease in glass transition temperature (Tg) from S1 to S10, resulting in a corresponding reduction in the rate of shape restoration. …"
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    article
  7. 487

    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Chamakh, Mariem

    منشور في 2021
    "…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 �C for 4 h to form the ruthenium oxide nanoparticles. …"
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  8. 488

    Choroidal metastasis as initial presentation of aggressive medullary thyroid carcinoma with widespread mediastinal, brain, pituitary, bone, lung, and liver metastasis: Case report... حسب S. Al Hassan, Mohamed

    منشور في 2021
    "…MTC presenting as ocular symptoms due to choroidal mass is rare with bad prognosis. Presentation of case A 38-year-old Sudanese male presented to Hamad General Hospital, complaining of sudden painless decrease of vision of the right eye of 3 weeks duration. …"
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  9. 489

    Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating حسب Cabibbo, M.

    منشور في 2015
    "…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
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  10. 490

    Dispatchable capacity optimization strategy for battery swapping and charging station aggregators to participate in grid operations حسب Mingze, Zhang

    منشور في 2023
    "…Also, the aggregator does not worsen the original power load while meeting the EV swapping demand and can decrease the daily load fluctuations by 0.65% and 12.89%, reduce the peak–valley difference by 5.81% and 7.80%, and increase the load rate by 3.67% and 4.08% in working and non-working day situations through providing the dynamic dispatchable capacity for the grid.…"
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    article
  11. 491
  12. 492

    Utilization of Emergency Services by Children with Asthma in Qatar حسب Arafah, Dima

    منشور في 2022
    "…Respiratory diseases are the most common conditions seen in Pediatric Emergency Centers (PECs) in Qatar. 2 The five PECs are an essential point of healthcare access for severely sick children, however, many people utilize them for potentially preventable reasons. 3 Methods: This was a quantitative retrospective observational study of children with asthma utilizing the five PECs during 2019. …"
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  13. 493
  14. 494
  15. 495

    Age-Related Differences of the Athlete`s Heart حسب Kneffel, Zsuzsanna

    منشور في 2013
    "…No difference was seen between athletic and non-athletic children comparing their diastolic function (E/A). In the competitive age (19-35 years) athletes have a higher E/A than non-athletes (1.98 ± 0.37, vs. 1.73 ± 0.31, p = 0.013). …"
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  16. 496

    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs حسب Shamlooh M.

    منشور في 2020
    "…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
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  17. 497

    Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

    منشور في 2023
    "…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
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  18. 498

    Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

    منشور في 2023
    "…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
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    article
  19. 499

    Acute and chronic toxicity assessments of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on the calanoid copepod Acartia clausi: Effects on survival, development, sex-ratio and... حسب Emna, Djebbi

    منشور في 2022
    "…Embryos showed non-monotonic dose-response and hatching success was significantly reduced at low realistic concentrations of E2 (0.005, 0.5, and 5 μg L-1) and EE2 (0.05 and 5 μg L-1).Survival, development and sex ratio of A. clausi to EE2 exposure at 1 and 100 μg L-1 were also determined during a life cycle experiment. …"
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  20. 500

    Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security حسب Saadaoui, Imen

    منشور في 2018
    "…QUCCCM14, which was not previously known as a promising strain. Indeed, culturing QUCCCM14 using f/2 medium with 10× NaH2PO4 (0.15 g L−1 NaNO3 and 5.6 mg L−1 NaH2PO4) resulted in an improvement of 3.178 folds the lipid productivity reaching 56.121 mg L−1 day−1 and enhanced the biomass productivity reaching 141.363 mg L−1 day−1, simultaneously. …"
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