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Coagulation of a giant hemangioma in glans penis with holmium laser

Asian Journal of Andrology 2008年第5期10卷 819-821页

作者： Emin Aydur Bulent Erol Lutfi Tahmaz hasan cem irkilata Cenker Eken Ahmet Fuat Peker Department of Urology Gulhane Military Medical Academy Etlik Ankara 06018Turkey Department of Emergency Medicine Gulhane Military Medical Academy Etlik Ankara 06018 Turkey

A 21-year-old man presented with an enlarged giant hemangioma on glans penis which also causes an erectile dysfunction （ED） that partially responded to the intracavernous injection stimulation test. Although the findings in magnetic resonance imaging （MRI） indicated a glandular hemangioma, penile colored Doppler ultrasound revealed an invaded cavernausal hemangioma to the glans. Surgical excision was avoided according to the broad extension of the gland lesion. Holmium laser coagulation was applied to the lesion due to the cosmetically concerns. However, the cosmetic results after holmium laser application was not impressive as expected without an improvement in intracavernous injection stimulation test. In conclusion, holmium laser application should not be used to the hemangiomas of glans penis related to the corpus cavernosum, but further studies are needed to reveal the effects of holmium laser application in small hemangiomas restricted to the glans penis.

关键词： lasers, penis, erectile dysfunction hemangioma holmium laser

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Prediction of Leakage from an Axial Piston Pump Slipper with Circular Dimples Using Deep Neural Networks

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Chinese Journal of Mechanical Engineering 2020年第2期33卷 111-121页

作者： Ozkan Ozmen cem Sinanoglu Abdullah Caliskan hasan Badem Tribology Laboratory Industrial Design EngineeringFaculty of EngineeringErciyes UniversityKayseri 38039Turkey Biomedical Engineering Faculty of Engineering and Natural SciencesIskenderun Technical UniversityHatayTurkey Computer Engineering Faculty of Engineering and ArchitectureKahramanmaraşSutcu Imam UniversityKahramanmaraşTurkey

Oil leakage between the slipper and swash plate of an axial piston pump has a significant effect on the efficiency of the ***,it is extremely important that any leakage can be *** study investigates the leakage,oil film thickness,and pocket pressure values of a slipper with circular dimples under different working *** results reveal that flat slippers suffer less leakage than those with textured ***,a deep learning-based framework is proposed for modeling the slipper *** framework is a long short-term memory-based deep neural network,which has been extremely successful in predicting time *** model is compared with four conventional machine learning *** addition,statistical analyses and comparisons confirm the superiority of the proposed model.

关键词： Slipper Leakage Circular dimpled Long short-term memory Deep neural network

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Assessment of Heavy Metals Immobilization in Artificially Contaminated Soils Using Some Local Amendments

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Open Journal of Metal 2013年第2期3卷 68-76页

作者： Noha H. Abdel-Kader Reda R. Shahin hasan A. Khater Soils Department Faculty of Agriculture Cairo University Giza Egypt

Three alluvial soil samples with different textures were artificially polluted with chloride solutions of Cd, Pb, Co and chromate solution for Cr. The aqua-regia extracted concentration ranges in the artificially polluted soils were 1134 - 1489 mg·kg-1 for Pb, 854 - 938 mg·kg-1 for Cr, 166 - 346 mg·kg-1 for Co and 44 - 54 mg·kg-1 for Cd. The aqua-regia extracted metals were the highest in the spiked clay soil due to its high adsorption capacity. Rock phosphate (PR), lime-stone (LS) and Portland-cement (cem) were mixed with the spiked soils at 1% and 2% rates (w/w) and incubated at 30 C for 2, 7, 14, 30, 60, 150 and 360 days. The extracted DTPA metals significantly decreased with different magnitudes with increasing the incubation period accompanied by increases in both pH and EC. The data showed that cement (cem) treatment dropped the DTPA-Pb from @ 1000 to @ 400 mg·kg-1 in all the studied soils (60% decrease) in the first 2 months while it gradually decreased from 400 to 200 mg·kg-1 (20% decrease) in the next 10 months. Limestone (LS) and rock phosphate (PR) materials were relatively less effective in lowering DTPA-Pb after 12 months of incubation. The data showed also that cement (cem) treatment was the most effective one in lowering DTPA-Cd by @ 60% as compared to the un-amended soils after 12 months of soil incubation. Extractable DTPA-Co and Cr showed consistent decreases with time down to nearly 50% of un-amended soils due to the effect of the added amendments after 12 months of incubation with superior reductions for the cement treatment in all the investigated soils. The statistical analysis confirmed that in all the studied metals and treatment, cement treatment (cem) was significantly the most effective in lowering the DTPA extracted metals as indicated from LSD test. It was found that up to 73% and 57% of the applied Pb and Cd, respectively, were fixed by only 1% cement. However, the present study showed that from the practical and economic points of view

关键词： Heavy Metals Immobilization Efficiency Rock Phosphate Portland cement Lime-Stone

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