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RISS 인기검색어
- 검색키워드
- 저자 : Yogesh Yadav (검색결과 4 건)
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High Temperature Stress Tolerance in Maize (Zea mays L.): Physiological and Molecular Mechanisms
Yogesh Kumar Tiwari,Sushil Kumar Yadav 한국식물학회 2019 Journal of Plant Biology Vol.62 No.2
Maize, third most important staple cereal crop acrossthe globe, has been threatened with different environmentalconstraints including heat and water deficit stress. Higherenvironmental temperatures negatively affect the most atanthesis, silking and grain filling reproductive phenophases. The situation is further complicated by the variable climaticevents, resulting in gradual and sometimes sudden increasein environmental temperature followed by irregular rainfrequency and intensity, and thus posing a serious threat toglobal food security. To meet the ever increasing fooddemand there is an urgent need to develop climate resilientmaize varieties and the goal can be achieved by exploitingthe pertinent physiological, biochemical and molecularmechanisms. By introducing certain modifications, togetherthese mechanisms can help us to combat the negative impactof high temperature stress. This review encompasses manyof such physiological and molecular approaches which mayhelp in mitigating the adverse effects of heat stress on maizeyield. Molecular, biochemical and physiological knowledgeavailable in domain that may be employed in breedingapproaches to develop heat tolerant maize genotypes, hasthoroughly been discussed.
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Molybdenum-Based Electrocatalysts for Direct Alcohol Fuel Cells: A Critical Review
Gaurav Kumar Yogesh,Rungsima Yeetsorn,Waritnan Wanchan,Michael Fowler,Kamlesh Yadav,Pankaj Koinkar The Korean Electrochemical Society 2024 Journal of electrochemical science and technology Vol.15 No.1
Direct alcohol fuel cells (DAFCs) have gained much attention as promising energy conversion devices due to their ability to utilize alcohol as a fuel source. In this regard, Molybdenum-based electrocatalysts (Mo-ECs) have emerged as a substitution for expensive Pt and Ru-based co-catalyst electrode materials in DAFCs, owing to their unique electrochemical properties useful for alcohol oxidation. The catalytic activity of Mo-ECs displays an increase in alcohol oxidation current density by several folds to 1000-2000 mA mg<sub>Pt</sub><sup>-1</sup>, compared to commercial Pt and PtRu catalysts of 10-100 mA mg<sub>Pt</sub><sup>-1</sup>. In addition, the methanol oxidation peak and onset potential have been significantly reduced by 100-200 mV and 0.5-0.6 V, respectively. The performance of Mo-ECs in both acidic and alkaline media has shown the potential to significantly reduce the Pt loading. This review aims to provide a comprehensive overview of the bifunctional mechanism involved in the oxidation of alcohols and factors affecting the electrocatalytic oxidation of alcohol, such as synthesis method, structural properties, and catalytic support materials. Furthermore, the challenges and prospects of Mo-ECs for DAFCs anode materials are discussed. This in-depth review serves as valuable insight toward enhancing the performance and efficiency of DAFC by employing Mo-ECs.
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A young couple’s grave found in the Rakhigarhi cemetery of the Harappan Civilization
Vasant Shinde,Hyejin Lee,Yogesh Yadav,Pranjali Waghmare,Nilesh Jadhav,Jong Ha Hong,Yong Jun Kim,Dong Hoon Shin 대한해부학회 2018 Anatomy & Cell Biology Vol.51 No.3
The Harappan Civilization, one of the earliest complex societies in the world, flourished on the Indian subcontinent. Although many additional Harappan settlements and cemeteries have been discovered and investigated, no coupled burials at Harappan cemeteries have been reported to date. In 2013‒2016, we excavated the cemetery of the Rakhigarhi site (Haryana), the largest city of the Harappan Civilization. At the site, we found a grave that turned out to be a coupled (joint) burial of the primary type. This report is the first anthropologically confirmed case of coupled burial from a Harappan cemetery.
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Nasreen Sultana Quadri,Kusum Yadav,Yogesh Kumar Sharma International Journal of Computer ScienceNetwork S 2024 International journal of computer science and netw Vol.24 No.2
Cloud computing is a technology for delivering information in which resources are retrieved from the internet through a web-based tools and applications, rather than a direct connection with the server. It is a new emerging computing based technology in which any individual or organization can remotely store or access the information. The structure of cloud computing allows to store and access various information as long as an electronic device has access to the web. Even though various merits are provided by the cloud from the cloud provides to cloud users, it suffers from various flaws in security. Due to these flaws, data integrity and confidentiality has become a challenging task for both the storage and retrieval process. This paper proposes a novel approach for data protection by an improved auditing based methodology in cloud computing especially in the process of cloud storage. The proposed methodology is proved to be more efficient in auditing the threats while storing data in the cloud computing architecture.
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