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4篇 您的检索式:作者名="s.biswas"
    题名 作者 年代 出处 被引量
1A novel technique for image steganography based on DWT and huffman encoding显示文摘A.Nag S.Biswas D.Sarkar P.P.Sarkar 0,,06:1
2A rational preparation strategy of phase tuned MoO_(3) nanostructures for high-performance all-solid asymmetric supercapacitor显示文摘In this work,phase and morphology-tuned MoO_(3) nanostructures are synthesized through a novel modified co-precipitation method,and their electrochemical properties are investigated.For the first time,such a simple surfactant-assisted synthesis process aided by minor temperature variations is reported which results in phase transition of the nanoparticles from h-MoO_(3) nano-rods to a-MoO_(3) nano-flakes.The nanostructures thus developed are highly porous and crystalline with significantly large specific surface area as compared to previous literature.The theoretical bandgap energy of the optimized sample calculated using Perdew-Zunger local density approximation(LDA) is in good agreement with the experimental findings.An overall structural,morphological,and surface-behavioural analysis predicts the electrochemical superiority in 2D a-MoO_(3).The cyclic voltammetry and galvano-potentiometry measurements of 2D a-MoO_(3) in the potential window of-0.6 V to +0.2 V present the highest pseudosupercapacitive response with a maximum specific capacitance of 829 F g^(-1)at 2 A g^(-1)as compared to h-MoO_(3) (452 F g^(-1)) and h@a-MoO_(3) (783 F g^(-1)).Thus,the MoO_(3) 2D nanostructures synthesized through our novel synthesis technique display excellent specific capacitance as compared to previous reported data.Additionally,a-MoO_(3) exhibits a galvanostatic charging-discharging cyclic stability of about 91%after 2000 cycles,indicating that it can serve as an excellent electrode material for supercapacitors.A solid-state asymmetric supercapacitor device is successfully constructed using a-MoO_(3) which can light up 4 red LEDs for 10 s.The specific energy density of the device reaches a maximum value of 36.3 W h kg^(-1)at the power density of 50 W kg^(-1).M.Kundu D.Mondal I.Mondal A.Baral P.Halder S.Biswas B.K.Paul N.Bose R.Basu S.Das 2023Journal of Energy Chemistry2023,,12:0
3Tuned reactive power dispatch through modified differential evolution technique显示文摘这份报纸探索修改微分进化(MDE ) 的能力为解决反应力量派遣(RPD ) 的技术问题。建议方法基于有一些修正的技术转变为它的基本微分进化(DE ) 。尽管它受不了慢集中的问题,当全球最小出现时, DE 是最强壮的优化技术之一。建议修正被试试解决这个问题。RPD 问题主要与稳定的电压侧面定义损失最小化。为了解决 RPD 问题,生成器总线电压,变压器龙头设置和分流,电容器放置被 MDE 途径控制。在这份报纸, IEEE 14 公共汽车和 IEEE 30 公共汽车系统为 MDE 实现被选择。应用修正表演很与正常 DE 技术相比改进了结果。有包括 DE 的另外的 softcomputing 技术的比较学习验证建议方法的有效性。S.BISWAS(RAHA) N.CHAKRABORTY 2012Frontiers in Energy2012,6,2:0
4Investigation of rare semileptonic Bc→(Ds,d(*)μ+μ- decays with non-universal Z’ effect显示文摘We analyze different decay observables of semileptonic decays Bc→(Ds,d(*))μ+μ-,such as the branching ratio,forward-backward asymmetry,polarization fraction,and lepton polarization asymmetry in the non-universal Z’model.We further study the dependence of the branching fraction to the new model parameters and find that the values of different decay parameters increase in the Z’model,which indicates a possible approach for the search of new physics as well as for the unknown phenomena of the charm B meson.p.maji s.mahata p.nayek s.biswas s.sahoo 2020Chinese Physics C2020,44,7:0
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