يعرض 401 - 420 نتائج من 992 نتيجة بحث عن '(( 2020 have decrease ) OR ( 5 ((we decrease) OR (((mean decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 401

    Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges حسب Abu-Rmeileh, Niveen M E

    منشور في 2022
    "…Tobacco use is the leading cause of preventable mortality worldwide, projected to claim 1 billion lives in the twenty-first century.1 Tobacco prevalence rates are expected to decrease across all the WHO regions by 2025 as a result of tobacco control efforts. …"
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  2. 402

    Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled wi... حسب Elkelawy M.

    منشور في 2019
    "…70% biodiesel) were prepared to power a single cylinder diesel engine. The engine results as compared to diesel fuel, show a reduction in the rate of change of CO by 33.8% for D50B50. …"
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  3. 403

    Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles حسب Sundarabharathi L.

    منشور في 2020
    "…For the particles obtained from nitrate, acetate, chloride and egg shell precursors respectively give dielectric constant (εʹ) values of 9.96, 13.22, 9.92 and 10.86 at 5 MHz. The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …"
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  4. 404
  5. 405
  6. 406

    Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings حسب Ubaid F.

    منشور في 2019
    "…Various contents of the encapsulated TiO2 nanotubes (1, 3 and 5 wt%) were thoroughly dispersed into the epoxy matrix and the resulting composites were then applied on a cleaned steel substrate using doctor blade technique to develop smart coatings. …"
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  7. 407

    Superior photocatalytic activity of Cu doped NiWO4 for efficient degradation of benzene in air even under visible radiation حسب Tri N.L.M.

    منشور في 2019
    "…This was because Cu effectively acted as novel dopant, which not only affected valence band (VB) top and conduction band (CB) bottom of NiWO4 but also formed a medium energy level between CB and VB of the NiWO4 to decrease its energy band gap and electron-hole recombination rate. …"
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  8. 408

    Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar حسب Khaled, Salma M.

    منشور في 2022
    "…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …"
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  9. 409

    Roadmap toward energy-positive upfront nitrogen removal process in baseload LNG plant حسب Mkacher, Hajer

    منشور في 2022
    "…The results show that UNrem of 87.5% from the NG feed can reduce the total power requirements by 0.24%, increase the production flow rate by 4.4%, and decrease the exergy losses by 0.23% compared with the base case. …"
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  10. 410

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

    منشور في 2018
    "…Most previous research evidenced that the increase of the lipid content is accompanied by a decrease of the biomass production, which increases the cost of the downstream processing. …"
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  11. 411
  12. 412

    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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  13. 413

    Antibiotic Prescription Patterns for Upper Respiratory Tract Infections in Outpatient Qatari Population in the Private Sector حسب Butt, Adeel Ajwad

    منشور في 2016
    "…During the study period, health insurance was limited to Qatari nationals. We excluded topical antibiotics. We also retrieved data on prescriber’s specialty as listed with the licensing authority. …"
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  14. 414

    Effect of mobile text messages on antiretroviral medication adherence and patient retention in early HIV care: An open-label, randomized, single center study in south Florida حسب Sherman, Elizabeth M.

    منشور في 2020
    "…Background People with HIV (PHIV) with limited access to health services often experience suboptimal antiretroviral therapy (ART) adherence. We investigated whether a daily text messaging intervention improves ART adherence and retention in early HIV care in PHIV in a south Florida hospital-based clinic. …"
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  15. 415

    Integrated planning of spare parts and service engineers with partial backlogging حسب Rahimi-Ghahroodi, S.

    منشور في 2017
    "…In a numerical study, we show that for problems with more than five types of spare parts it is preferable to use approximate evaluations as they become significantly faster than exact evaluation. …"
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  16. 416

    Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination حسب Takalkar, Gorakshnath

    منشور في 2020
    "…Both energetic and exergetic efficiencies exhibit upper values at A co/A abs ratio up to 1. Further increment in this ratio up to 3 resulted in a decrease in the efficiency of the ETHPSC.…"
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  17. 417

    Pharmacologic inhibition of hypoxia-inducible factor (HIF)-hydroxylases ameliorates allergic contact dermatitis حسب Manresa M.C.

    منشور في 2019
    "…Background When an immune cell migrates from the bloodstream to a site of chronic inflammation, it experiences a profound decrease in microenvironmental oxygen levels leading to a state of cellular hypoxia. …"
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  18. 418

    Empower Generations: Longitudinal Study for National Capacities in Life Sciences and Healthcare حسب Althani, Asmaa Ali J.F.

    منشور في 2021
    "…As reported in 2012, a majority of the Qatari high-school students have shown a greater interest in business, technological, and administrative careers and a lower interest in healthcare. …"
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  19. 419

    Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar حسب Islam, Nazmul

    منشور في 2018
    "…The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …"
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  20. 420