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Inverted internal limiting membrane flap technique for very large macular hole

International Journal of Ophthalmology(English edition) 2016年第8期9卷 1230-1232页

作者： Mitali Khodani pooja bansal Raja Narayanan Jay Chhablani Kanuri Santhamma Retina Vitreous Centre LV Prasad Eye Institute Kallam Anji Reddy Campus Dr. Rajendra Prasad Centre for Ophthalmic Sciences All India Institute of Medical Sciences

AIMTo assess the anatomical and visual outcome of idiopathic macular holes greater than 1000 µm using the inverted internal limiting membrane flap *** retrospective case series included 5 eyes of 5 patients with idiopathic macular hole with base diameter greater than 1000 µm who underwent inverted internal limiting membrane flap technique along with standard 23G pars plans vitrectomy with posterior hyaloid detachment and fluid gas exchange with 12%-14% perfluoropropane (C3F8). Preoperative and postoperative visual acuity and spectral domain optical coherence tomography images were evaluated. The main outcome measures were visual outcome and macular hole *** age was 63.2±8.4y with all 5 subjects being females. Mean duration of symptoms was 11±14mo with a mean postoperative follow up of 13.2±13mo. The mean base diameter of the macular holes was 1420±84.8 µm (1280-1480 µm). Type 1 closure was achieved in four out of five patients, while one patient had type 2 closure using the inverted internal limiting membrane (ILM) flap technique. Median baseline BCVA was 0.79 logMAR (Snellen’s equivalent 20/120) and median final BCVA 0.6 logMAR (Snellen’s equivalent 20/80) with mean visual improvement of approximately three lines improvement. No complications related to surgical procedure were *** inverted internal limiting membrane flap technique may be promising for very large macular holes with high rate of macular closure and good visual outcome.

关键词： inverted internal limiting membrane flap technique vitrectomy macular hole

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Do natural resources impact economic growth:An investigation of P5+1 countries under sustainable management

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Geoscience Frontiers 2024年第3期15卷 192-208页

作者： Sanjeet Singh Gagan Deep Sharma Magdalena Radulescu Daniel Balsalobre-Lorente pooja bansal University Centre for Research and Development Chandigarh UniversityGharuanMohaliPunjabIndia University School of Management Studies Guru Gobind Singh Indraprastha UniversityDwarkaDelhiIndia Department of Finance Accounting and EconomicsUniversity of PitestiPitesti 110040Romania Institute for Doctoral and Post-Doctoral Studies University“Lucian Blaga”SibiuSibiu 550024Romania Department of Applied Economics I University of Castilla-La ManchaSpain Department of Management Faculty of Economics and ManagementCzech University of Life Sciences PraguePrague 16500Czech Republic

Natural resources represent the base of our living and the entire economic *** depletion is a major challenge for the economic development of both developed and developing *** effi-cient use is an indispensable requirement and must be the aim of the public policies designed by the authorities *** this research,we have investigated the impact of the natural resources rent on the economic growth in some major wealthy economies of the world(P5+1 countries namely:US,UK,France,China,Russia,and Germany).We have applied a quantile-on-quantile regression to analyse this impact on different quantiles and a cross-sectional autoregressive distributed lag(CS-ARDL)approach for the panel of these six *** Dumitrescu-Hurlin panel causality test was also used to check the causality between natural resource rents and economic growth in these *** show a negative relationship between natural resources rent and economic growth for the panel but a different impact on quantiles in each *** for China and the US,a positive effect can be noticed for both lower and higher quantiles of natural resources and economic *** Dumitrescu-Hurlin causality test shows that natural resources can predict economic growth only in China,the U.S.,and the *** contrast,no causality was found for the other four countries included in the *** suggest that nations invest in wind and solar projects,use biofuels and nuclear energy,introduce a temporary profit tax to protect consumers from escalating energy prices,and increase energy efficiency in buildings and *** would benefit from a regulatory framework that is uniform and exhaustive,as well as easier to traverse and more receptive to innovation and ***-private partnership investments in innovation,innovation incentives,and environmental sector opportunities may foster long-term economic growth。

关键词： Natural resources rent Economic growth Quantile-on-quantile regression Cross-sectional ARDL P5+1 countries

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Creep properties of bimetal Al/SiC/Cu compositesfabricated via accumulative roll bonding process

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Journal of Central South University 2024年第10期31卷 3807-3818页

作者： Basem Ali Jasim Dheyaa J bansal pooja Qasim Maytham T Brisset B.J Faculty of Engineering Warith Al-Anbiyaa UniversityKarbala 56001Iraq Department of Petroleum Engineering Al-Amarah University CollegeMaysanIraq Department of Biotechnology and Genetics Jain(Deemed-to-be)UniversityBengaluruKarnataka-560069India Department of Allied Healthcare and Sciences Vivekananda Global UniversityJaipurRajasthan-303012India College of Health and Medical Technology Al-Ayen UniversityThi-Qar64001Iraq Institut des Matériaux Jean Rouxel(IMN) UMR 6502Polytech'NantesNantes CedexFrance

In the present study,microstructural evolution,mechanical and creep properties of Al/SiC/Cu composite stripsfabricated via accumulative roll bonding(ARB)process were *** obtained results showed the formation of anatomic diffusion layer with thickness of about 17μm at the interface during the ARB under three creep loadingconditions namely 30 MPa at 225℃,35 MPa at 225℃,and 35 MPa at 275℃.An generated intermetallic compoundresulted in a 40%increase of interface thickness near *** stress level decreased by 13%at constant temperature withno signi fi cant effect on the interface thickness,and the creep failure time declined by 44%.It was observed that atconstant temperatures,the second slope of the creep curve reached to 39%with increasing stress level,then,it dropped to2%with a little temperature *** creep test under 35 MPa at 275℃,the sample displays the presence of 60%Aland 40%Cu,containing brittle Al_(2)Cu intermetallic compound at the *** temperature and stress had effecton the creep properties,specially increasing the slope of creep curves with higher stresses.

关键词： creep property intermetallic compounds accumulative roll bonding microstructure bimetal

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