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M.K. Awad,M.S. Metwally,S.A. Soliman,A.A. El-Zomrawy,M.A. bedair 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.3
The corrosion inhibition of poly ethylene glycol (PEG) toward the aluminum surface in 1.0 M HCl hasbeen studied by weight loss and polarization techniques. The results showed that the PEG acts as a goodinhibitor and the inhibition efficiency is due to the anodic and cathodic inhibition (mixed type). Thethermodynamic functions were calculated to find a good correlation with the inhibition efficiency. Quantum chemical parameters were calculated using ab initio and DFT methods to find a goodcorrelation with the inhibition efficiency. A good correlation was found between the theoreticalcalculations and experimental observations.
Awad, Y. M.,Kim, S. C.,Abd El-Azeem, S. A.,Kim, K. H.,Kim, K. R.,Kim, K.,Jeon, C.,Lee, S. S.,Ok, Y. S. Springer Science + Business Media 2014 Environmental earth sciences Vol.71 No.3
Antibiotics have been commonly used to prevent animal diseases and promote livestock productivity. However, its release into the surrounding environments leads to ecological disturbance and risks to human health. This study was conducted to monitor the occurrence and seasonal variations of antibiotics in water, sediment, and soil close to a swine manure composting facility, Korea. Various types of antibiotics such as tetracyclines (TCs) including tetracycline, chlortetracycline, and oxytetracycline, and sulfonamides (SAs) including sulfamethazine, sulfamethoxazole, and sulfathiazole were measured by the high-performance liquid chromatography-tandem mass spectrometry via a solid-phase extraction. In the results it was identified that the variations of measured antibiotics' concentrations in water, sediment, and soil are depending on the season. The observed concentration levels of TCs were higher in winter than in summer season, indicating that the low temperature is a parameter attributing to interruption of its degradation in water, sediment, and soil. The concentration levels of SAs were significantly higher than those of TCs and in general, all measured antibiotics' concentrations were also in general higher in Korea when compared to those in other countries. The long-term monitoring of antibiotics' residues in aquatic and terrestrial environments is necessary.
NEW SERIES IDENTITIES FOR ${\frac{1}{\Pi}}$
Awad, Mohammed M.,Mohammed, Asmaa O.,Rakha, Medhat A.,Rathie, Arjun K. Korean Mathematical Society 2017 대한수학회논문집 Vol.32 No.4
In the theory of hypergeometric and generalized hypergeometric series, classical summation theorems have been found interesting applications in obtaining various series identities for ${\Pi}$, ${\Pi}^2$ and ${\frac{1}{\Pi}}$. The aim of this research paper is to provide twelve general formulas for ${\frac{1}{\Pi}}$. On specializing the parameters, a large number of very interesting series identities for ${\frac{1}{\Pi}}$ not previously appeared in the literature have been obtained. Also, several other results for multiples of ${\Pi}$, ${\Pi}^2$, ${\frac{1}{{\Pi}^2}}$, ${\frac{1}{{\Pi}^3}}$ and ${\frac{1}{\sqrt{\Pi}}}$ have been obtained. The results are established with the help of the extensions of classical Gauss's summation theorem available in the literature.
ON AN INTERESTING EXTENSION OF KUMMER'S SECOND THEOREM WITH APPLICATIONS
Awad, Mohammed M.,Mohammed, Asmaa O.,Rakha, Medhat A.,Rathie, Arjun K. Korean Mathematical Society 2021 대한수학회논문집 Vol.36 No.1
In this research paper, an attempt has been made to provide an interesting extension of the well-known and useful Kummer's second theorem. Several applications have also been given.
Heather Greenlee,Katherine D. Crew,Jillian Capodice,Danielle Awad,Anne Jeffres,Joseph M. Unger,Danika L. Lew,Lisa K. Hansen,Frank L. Meyskens Jr,James L. Wade III,Dawn L. Hershman 사단법인약침학회 2015 Journal of Acupuncture & Meridian Studies Vol.8 No.3
Robust methods are needed to efficiently conduct large, multisite, randomized, controlled clinical trials of acupuncture protocols. The Southwest Oncology Group (SWOG) S1200 trial is a randomized, controlled (i.e., sham-controlled and waitlist-controlled) trial of a standardized acupuncture protocol for treating aromatase inhibitor (AI)-associated arthralgias in early-stage breast cancer patients (n = 228). The primary objective of this study was to determine whether true acupuncture administered twice weekly for 6 weeks, as compared to sham acupuncture or a waitlist control, reduced AI-associated joint pain at 6 weeks as assessed by patient reports. The study was conducted at 11 institutions across the United States. The true acupuncture protocol was developed using a consensus-based process. The true acupuncture and the sham acupuncture protocols each consisted of 12 sessions administered for 6 weeks, followed by one weekly session for 6 weeks. The true acupuncture protocol used standardized protocol points, and the standardized acupoints were tailored to a patient's joint symptoms. The similarly standardized sham acupuncture protocol utilized superficial needling of nonacupoints. Standardized methods were developed to train and monitor acupuncturists and included online and in-person training, study manuals, monthly phone calls, and remote quality assurance monitoring throughout the study period. The research staff similarly received online and in-person training and monthly phone calls.
( S. Lee ),( A. R. A. Usman ),( S. A. M. Abd El-azeem ),( Y. M. Awad ),( M. Kim ),( K. Ham ),( J. Lim ),( J. E. Yang ),( S. S. Lee ),( Y. S. Ok ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.1
Contamination of the soil with Cr, Cu and As has become a worldwide environmental problem as a consequence of the use of chromated copper, arsenate (CCA) treated wood. This study was conducted (i) to determine the total concentrations of Cr, Cu and As in soil samples collected from contaminated sites, (ii) to identify native plant species grown on contaminated sites for phytoremediation, and (iii) to estimate the risk of adverse effects on human health. Wood and soil samples as well as four native plant species (Viola mandshurica, Cyndon dactylon, Setaria viridis and Acalypha australis) were collected from three contaminated sites with Cr, Cu and As in Gangwon Province, Korea. Our results found that the metal concentrations of these soil sampling sites were higher than their background levels of 45.32, 30.22 and 7.0 mg/kg for Cr, Cu and As, respectively, indicating the adverse effects on human health. None of the four plant species showed metal concentrations>1000 mg/kg in their shoots and were not served as hyperaccumulators. Nevertheless, the screened plant species might be suitable for phytoextraction or phytostabilization. We conclude that the development of environmentally friendly technology for remediating heavy metal contaminated soils is needed to ensure human safety or agricultural purposes.