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| 1 | Microstructure Evolution during Friction Stir Welding of Aluminum Alloy AA2219显示文摘The characterization of microstructure evolution in friction stir welded aluminum alloy was carried out by optical microscopy (OM) and transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD). The weld nugget consisted of very fine equiaxed grains and experienced dissolution of nearly half of metastable precipitates into the matrix during welding. Thermomechanically affected zone (TMAZ) also experienced dissolution of precipitates but to a lesser extent whereas coarsening of precipitates was observed in heat affected zone (HAZ). Grain boundary misorientation measurements using EBSD indicated continuous dynamic recrystallization as the underlying mechanism for the fine equiaxed nugget grains. The yield and tensile strength of the weld decreased with comparison to base material. But due to the decrease of grain size and the dissolution of second phase precipitates, an increased Charpy energy value was observed in the weld nugget. | K.S.Arora S.Pandey M.Schaper R.Kumar | 2010 | Journal of Materials Science & Technology2010，26，8： | 18 |
| 2 | Laparoscopic appendicectomy: a training model for laparoscopic right hemicolectomy?显示文摘 | S.Pandey S.Slawik K.Cross R.Soulsby A. M.Pullyblank A. R.Dixon | 2007 | Colorectal Disease2007，，6： | 1 |
| 3 | Unravelling the bottleneck of phosphonic acid anchoring groups aiming toward enhancing the stability and efficiency of mesoscopic solar cells显示文摘Novel near-infrared sensitizers with different anchoring groups aiming toward improved stability and efficiency of dye-sensitized solar cells were synthesized. Adsorption of these dyes on the mesoporous TiO_(2) surface revealed the dye adsorption rate of –CH=CH–COOH (SQ-139)>–CH=C(CN)COOH (SQ-140)>–PO_(3)H_(2) (SQ-143)>–CH=C(CN)PO_(3)H_(2) (SQ-148)>–CH=C(CN)PO_(3)H–C_(2)H_(5) (SQ-157)>–PO_(3)H–C_(2)H_(5) (SQ-151)> –CH=CH–COOH(–PO_(3)H_(2)) (SQ-162). The binding strength of these dyes on mesoporous TiO_(2) as investigated by dye desorption studies follows SQ-162>SQ-143>SQ-148>SQ-139≫SQ-157~SQ-151≫SQ-140 order. The acrylic acid anchoring group was demonstrated to be an optimum functional group owing to its fast dye adsorption rate and better binding strength on TiO_(2) along with good photoconversion efficiency. Results of dye binding on TiO_(2) surface demonstrated that SQ-162 bearing double anchoring groups of phosphonic and acrylic acid exhibited>550 times stronger binding as compared to dye SQ-140 having cyanoacrylic acid anchoring group. SQ-140 exhibited the best photovoltaic performance with photon harvesting mainly in the far-red to near-infrared wavelength region having short circuit current density, open-circuit voltage and fill factor of 14.28 mA·cm^(–2), 0.64 V and 0.65, respectively, giving the power conversion efficiency of 5.95%. Thus, dye SQ-162 not only solved the problem of very poor efficiency of dye bearing only phosphonic acid while maintaining the extremely high binding strength opening the path for the design and development of novel near-infrared dyes with improved efficiency and stability by further increasing the π-conjugation. | Ajendra Kumar Vats Pritha Roy Linjun Tang Shuzi Hayase Shyam S.Pandey | 2022 | Frontiers of Chemical Science and Engineering2022，16，7： | 0 |
| 4 | 亚洲直播水稻应用模式及其优先研究重点的经济分析显示文摘在亚洲,尽管移栽是水稻种植的主要传统方法,但经济因素的影响和水稻生产技术的改变已促进了人们对采用直播的要求。劳动力价格的上升和一熟变两熟、两熟变三熟水稻复种指数的提高是应用直播的经济动力。同时,高产、早熟良种的育成,化学除草技术的完善,保证了直播技术的可行性。面对土地、水和劳动力的短缺,亚洲水稻生产体系正进行着调整,其中一项重要内容便是水稻栽种方法的改变。 | S.Pandey,L.Velasco 程旺大 王岳钧 张国平 | 2000 | 农业科技译丛(杭州)2000，，2： | 0 |
| 5 | Mineralogical Study of Almandine-Hercynite-Muscovite-Ilmenite Hornblendite Dykes from the Southern Margin of the Gondwana Graben at Richughuta in Palamau District of the Eastern Indian Shield显示文摘Introduction The rectangular block of Proterozoic formation lying between north of the Singhbhum Mobile Belt(SMB,2.3-2.4 Ga,Saha 1994),Neogene sediments of the Bengal basin and the Quaternary-Recent alluvium of the | N.C.Ghose P.M.George S.Pandey | 2016 | Acta Geologica Sinica(English Edition)2016，90，S1： | 0 |
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