Performance analysis of FSO cooperative communications with rf inter-connected relays in the absence and presence of channel state information. (c2018) حسب Hamad, Mustapha Ismail

"…Compared to the widely used and traditional Radio Frequency (RF) communication systems, FSO systems are believed to achieve much higher data rates and better performance in terms of feasibility and practicality to compile with the worldwide increased speed need and uprising fast technologies. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Causes of blindness and vision impairment in 2020 and trends over 30 years, and prevalence of avoidable blindness in relation to VISION 2020: the Right to Sight: an analysis for th... حسب Jaimie D Steinmetz (18015919)

"…</p><p><br></p><h3>Methods</h3><p dir="ltr">We did a systematic review and meta-analysis of population-based surveys of eye disease from January, 1980, to October, 2018. …"

Effectiveness of Positron Emission Tomography for Predicting Chemotherapy Response in Colorectal Cancer Liver Metastases حسب Glazer, Evan

"…A meta-analysis9 found that PET had higher sensitivity rates (76%) for detection of malignant lesions than did helical CT (64%) or MRI (71%). That meta-analysis included 61 articles from 1990 to 2003. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

3D Tissue-Engineered Vascular Drug Screening Platforms: Promise and Considerations حسب Isra Marei (11312895)

"…<p dir="ltr">Despite the efforts devoted to drug discovery and development, the number of new drug approvals have been decreasing. Specifically, cardiovascular developments have been showing amongst the lowest levels of approvals. …"

Prevalence of bullying and violence among adolescents in Arab Gulf countries: a systematic review حسب Amani N. Alansari (19743643)

"…The findings underscore the urgent need for tailored assessment approaches, gender-responsive interventions, integrated school-based mental health services, and culturally focused prevention strategies that address both traditional and cyberbullying in the rapidly evolving sociocultural context of the AGC.…"

Adaptation of a Mice Doppler Echocardiography Platform to Measure Cardiac Flow Velocities for Embryonic Chicken and Adult Zebrafish حسب Fatiha M. Benslimane (6695087)

"…While clinical echocardiography platforms can be used for relatively large animals such as pigs and rats, specialized systems are needed for smaller species. Theoretically, as the size of the imaged sample decreases, the frequency of the ultrasound transducer needed to image the sample increases. …"

AN INVESTIGATION OF THE PHASE BEHAVIOR OF AN AQUEOUS SYSTEM THAT CONTAINS A POLYAMPHOLYTE AND POLY(ETHYLENE GLYCOL) حسب Waziri, S. M.

احصل على النص الكامل

Corrosion Inhibition of Mild Steel in 2M HCl Using Aqueous Extract of Eggplant Peel حسب Ibrahim, Taleb

احصل على النص الكامل

An empirical correlation-based model to predict solid-fluid phase equilibria and phase separation of the ternary system CH₄-CO₂-H₂S حسب Hani Ababneh (9218272)

"…Consequently, this model eliminates difficulties associated with the need for experiments on ternary system solid-fluid phase equilibria.…"

Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar حسب Doua Abdelrahman (17280667)

"…Therefore, blood banks in Qatar might need to consider screening for B19V, especially when transfusion is intended for high-risk populations, including immunocompromised patients.…"

A Scoping Review to Find Out Worldwide COVID-19 Vaccine Hesitancy and Its Underlying Determinants حسب Md. Rafiul Biswas (17293966)

"…Therefore, strategies tailored to cultures and socio-psychological factors need to be developed to reduce vaccine hesitancy and aid informed decision-making.…"

Finite-element solution of monopolar corona on bundle conductors حسب Al-Hamouz, Z.

احصل على النص الكامل
احصل على النص الكامل

Finite element solution of monopolar corona on bundle conductors حسب Al-Hamouz, Z.

احصل على النص الكامل
احصل على النص الكامل

Basin of Attraction through Invariant Curves and Dominant Functions حسب Al-Sharawi, Ziyad

احصل على النص الكامل

Corrosion Inhibition of Mild Steel using Potato Peel Extract in 2M HCl Solution حسب Ibrahim, Taleb

احصل على النص الكامل

An empirical evaluation of the technology cycle time indicator as ameasure of the pace of technological progress in superconductortechnology حسب Kayal, A.A.

احصل على النص الكامل
احصل على النص الكامل

Phase transitions of nanoemulsions using ultrasound: Experimental observations حسب Singh, Ram

احصل على النص الكامل

Error probability of coded STBC systems in block fading environments حسب Zummo, S.A.

احصل على النص الكامل
احصل على النص الكامل

Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 حسب Fiona B, Bennitt

"…We first estimated the mean fuel type-specific concentrations (in μg/m3) of fine particulate matter (PM2·5) pollution to which individuals using solid fuels for cooking were exposed, categorised by fuel type, location, year, age, and sex. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study حسب Rupert Bourne (603842)

"…</p><p><br></p><h3>Methods</h3><p dir="ltr">We did a systematic review and meta-analysis of population-based surveys of eye disease from January, 1980, to October, 2018. …"