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4篇 您的检索式:作者名="S.Mistry"
    题名 作者 年代 出处 被引量
1控制皮肤自我更新的关键蛋白显示文摘[动态]干细胞和祖细胞通过调节增殖和分化之间的平衡来维持他们所在组织的正常性,但还不清楚他们是如何做到这一点的。美国科学家最近报告人体细胞外体(exosome,是大约11种蛋白质组成的复合体)负责降解和循环利用各种磨损或出错的RNA。Devendra S.Mistry Yifang Chen George L.Sen 2012中国烧伤创疡杂志2012,24,6:3
2In vivo bone biocompatibility and degradation of porous fumarate-based polymer/alumoxane nanocomposites for bone tissue engineering显示文摘Amit S.Mistry Quynh P.Pham Corinne Schouten 0,,02:1
3大豆油中单甘油脂和双甘油脂的氧化强化效应显示文摘对于0、0.25%和0.5%的单硬脂酸甘油脂、双硬脂酸甘油脂、单甘油三亚油酸脂或双甘油三亚油酸脂对大豆油氧化稳定性的影响,利用气相色谱法测定油瓶瓶颈中的氧进行了研究。在贮藏过程中,当单甘油脂和双甘油脂的水平从0、0.25%增加到0.5%时,瓶颈中氧的量减少,在α=0.05时,对照样品(0%)和含有单硬脂酸甘油脂、双硬脂酸甘油脂、单甘油三亚油酸脂或双甘油三亚油酸脂的样品之间差异显著。在大豆油中,所有的单、双甘油脂都起氧化强化剂的作用。Behroze S.Mistry David B.Min 杜连起 1990陕西粮油科技1990,,2:0
4Understanding of tip clearance flow structure in high speed mixed flow compressor显示文摘This paper addresses the necessity to make a physical interpretation of a highly complex three-dimensional tip clearance flow field study for high-speed mixed-flow compressor having stage exit static pressure to inlet total pressure ratio of 3.8 with 39,836 rpm rotor speed.The four different tip configurations namely the constant(l Z 0.016 and 0.019)and variable(l Z 0.011(inlet)-0.019(exit)and 0.019(inlet)-0.022(exit))tip clearances were numerically analysed using available experimental data-set.The numerical investigation reveals that in contrast to the classic jet-wake pattern,two anomalous velocity profiles formed at the impeller exit which results in pressure losses in the vaneless diffuser.Near the impeller inlet,the tip leakage flow rolls up to discrete tip leakage vortex structure for each tip clearance configuration.This results in the formation of a region of momentum deficit,recirculation zone,which gets weakened as it moves downstream.The tip clearance configuration is observed to profoundly influence the extent and vorticity of the tip leakage vortex.In the splitter blade passage,the tip leakage flow and Coriolis flow interact with passage flow,resulting in the formation of two secondary passage vortices that move downstream along the pressure and suction surface of the splitter blade.The tip clearance configuration directly influences the impeller exit jetwake pattern by modulating the secondary passage vortices trajectory and vorticity.Moreover,off-design analysis for tip clearances l Z 0.016 and l Z 0.019,depict distinctive tip leakage vortex characteristics.When operating near the stall conditions(80%of design mass flow rate),l Z 0.019 exhibits bubble shape tip leakage vortex breakdown occurring near the impeller inlet.This result in a substantial change in the tip leakage vortex nature;expansion of the recirculation zone and early weakening of the vorticity in the tip leakage vortex.It is observed that vortex breakdown plays a vital role in characteristics of the passage flow field structure and compressor performance near the stall conditions.Hemant Kumar Chetan S.Mistry 2023Propulsion and Power Research2023,12,3:0
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