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| 1 | Drag reduction via turbulent boundary layer flow control显示文摘Turbulent boundary layer control(TBLC) for skin-friction drag reduction is a relatively new technology made possible through the advances in computational-simulation capabilities,which have improved the understanding of the flow structures of turbulence.Advances in micro-electronic technology have enabled the fabrication of active device systems able to manipulating these structures.The combination of simulation,understanding and micro-actuation technologies offers new opportunities to significantly decrease drag,and by doing so,to increase fuel efficiency of future aircraft.The literature review that follows shows that the application of active control turbulent skin-friction drag reduction is considered of prime importance by industry,even though it is still at a low technology readiness level(TRL).This review presents the state of the art of different technologies oriented to the active and passive control for turbulent skin-friction drag reduction and contributes to the improvement of these technologies. | ABBAS Adel BUGEDA Gabriel FERRER Esteban FU Song PERIAUX Jacques PONS-PRATS Jordi VALERO Eusebio ZHENG Yao | 2017 | Science China(Technological Sciences)2017,60,9: | 4 |
| 2 | Optimal Seat Suspension Design Using Genetic Algorithms显示文摘 | Wael Abbas Ossama B. Abouelatta Magdy El-Azab Mamdouh El-Saidy Adel A. Megahed | 2011 | Journal of Mechanics Engineering and Automation2011,1,1: | 3 |
| 3 | Diagnosis of Toxoplasma gondii infection in pregnant women using automated chemiluminescence and quantitative real time PCR显示文摘Objective: To identify serodiagnosis and quantification of Toxoplasma gondii(T. gondii) infection among pregnant women in Salmas, northwest of Iran. Methods: In this crosssectional study, 276 blood samples were collected from pregnant women referred to the health care centers in Salmas city. The demographic variables were also recorded. Titers of antiToxoplasma IgM and IgG antibodies(Ab) were determined using the chemiluminescence immunoassay. Quantitative real-time PCR targeting the T. gondii repeated element gene was also performed on the blood sample. Results: Out of all, 19.92%(55/276) and 2.17%(6/276) patients were seropositive for anti-Toxoplasma IgG and IgM Ab, respectively. Moreover, the presence of T. gondii DNA was observed in 12.31%(34/276) blood samples. A significant relationship was observed between the IgG Ab seropositivity and contact with the cat as a risk factor(P=0.022). Conclusions: The seroprevalence rate of T. gondii infection in pregnant women is relatively low. Consequently, the seronegative pregnant women are at risk, and a considerable rate of positive blood samples for the presence of parasite's DNA should not be ignored. Besides, quantitative real-time PCR could be considered as an accurate method for diagnosis of acute toxoplasmosis especially when the precise results are of the most importance in pregnancy. Limiting contact with cats is also suggested for pregnant women. | Ehsan Ahmadpour Elmira Zargami Mahmoud Mahami-Oskouei Adel Spotin Abbas Shahbazi Hossein Samadi Kafil Saba Rajabi Paria Alizadeh Yagoob Azadi Reza Bahaj Firouz Shahrivar Aleksandra Barac | 2019 | Asian Pacific Journal of Tropical Medicine2019,12,1: | 3 |
| 4 | Use of two combination creams for the treatment of ichthyoses and ichthyosiform disorders显示文摘Treatment options for ichthyosis and ichthyosiform disorders are limited and often unsatisfactory.Twenty-four patients used combination creams of 2%cholesterol with 2%lovastatin,and 10%glycolic acid with 0.025% tretinoin and 2%ketoconazole daily.At one month(n=20),the average percent reduction in severity scores was 40%,and at three months(n=10),it was 60.3%.Side effects were mainly mild irritation.These findings suggest that these two combination creams could be beneficial in the treatment of ichthyosiform disorders. | Samar Khalil Serena Saade Divina Justina Hasbani Carla Stephan Tara Bardawil Adele Chedraoui Ossama Abbas Nelly Rubeiz Mazen Kurban | 2023 | Drug Combination Therapy2023,5,2: | 0 |
| 5 | Monkeypox virus: a worldwide new emerging problem显示文摘During May 2022,a total of 237 cases,131 confirmed cases and 106 suspected cases of monkeypox virus have been reported to WHO from many countries that are not endemic for monkeypox virus(MPXV).Epidemiological investigations demonstrated new cases neither had travel history to endemic areas nor direct contact with infected animals,mostly but not totally these new cases within groups of men who have sex with men(MSM)seeking care in primary care and sexual health clinics[1,2]. | Adel Khalil Ibrahim Mohamed Abbas Shemis | 2022 | Infectious Diseases Research2022,3,3: | 0 |
| 6 | Development and Background of Shells Theories-A Review Study显示文摘Thin shells are one of the structural elements that have versatile contributions in different engineering sectors,specifically in architectural,civil,mechanical,aeronautical,and marine engineering industries.Liquid-retaining structures,wide-span roofs,water tanks,arch dooms,and shells used in building nuclear power plants are recognized application examples of shell structures in architectural and civil engineering.This variety in using shells in different engineering sectors is due to the productivity of load-carrying behavior,excellent reservation in strength and structural integrity,shell structures are preferable in comparison to structural systems having the same span and dimensions;high stiffness,and covering a large areas.Besides the above distinguishing mechanical pros,it is widely accepted that structures and building containing shells are usually preferred by architectures and designers for aesthetic purposes.The analysis of shells has gone through many stages until the arrival of modern theories.In this study the different theories of shells were discussed,the background and development of shell theories were illustrated in this investigation. | Thamer Adel Taha Aamer Najim Abbas | 2020 | 材料科学与工程(中英文B版)2020,10,1: | 0 |