6,311 research outputs found

    Laser-based manufacturing processes: A comprehensive review

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    Light is always a fascinating subject to humankind from the beginning of the modern age. It fulfils the purpose of sight and is used for various purposes such as in decorations, medical and many other research applications. Laser is one of the most widely used technologies based on the properties and phenomenon of light. Laser beams are always considered as supporting tools in the field of machining. It is merely considered a heat source that accelerates the machining operation. When a laser beam falls on the material surface, there are always three possibilities: (i) transmission, (ii) reflection and (iii) absorption. Nowadays, several industries use CO2 Laser, Nd: YAG laser, fibre laser and diode laser in their manufacturing units for fabrication and material removal processes. This chapter discusses the various application of laser in machining operation. The ongoing evolution of laser technology and the development of other sophisticated assisting tools established laser material processing technology as one of the trusted allied manufacturing operations

    Bibliographics for the 983 eprints in the live archives of E-LIS : trends and status report up to 7th July 2004, based on author-self-archiving metadata

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    The priority for ideas and philosophy related to "Network Theory" have been traced back and documented by Braun(2004),and credit goes to Karinthy(1929).The IT has empowered to realise it, as the most practical phenomena and it is no more a humour. The OAI (Open Archives Initiatives)and ACIS (Academic Contributor Information System)are progressive in the direction ,which may lead to realise the "Collective Genius" at global level. Focus of present study is on Author-Self-Archiving (A-S-A)Metadata of the 983 Eprints in the Live Archives of the E-LIS (EPrints of Library and Information Science),which were approved till 7th July 2004.The A-S-A Metadata was used for librametric analysis. Self-explanatory bibliographics are illustrated.The highlights include: Conference papers (34%); highest approval, June 2004 (28%); published archives (76%);not refereed (52%); not in public domain (60%); highest self-archiving-author (De Robbio, Antonella).The Nos. of EPrints having single JITA domain specifications were: Theoretical and general aspects of libraries and information(27); Information use and sociology of information(80);Users,literacy and reading(13);Libraries as physical collections(30);Publishing and legal issues(57);Management(13);Industry, profession and education(36);Information sources, supports, channels(113) ; Information treatment for information services, Information functions and techniques (101); Technical services libraries, archives and museums(25); Housing technologies(1); Information technology and library technology(92); and Inter-domainery (395) i.e. having specifications of two or more than two JITA classes

    Phrasal Monarchy of Choudhary in Indian English Poetry

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    Arbind Kumar Choudhary is basically a big gun of the literary passages whose racy style of versification, Indianised version of sonnets, phrasal passages, proverbial pigments and uses of various figures of speech glitter like butter for the aster of its nectar. The popularity of his innovative poetic passages persuades a number of his verse-suitors and compels them to abide by his track of versification. Being a game person of the creative groves Arbind Kumar Choudhary tried his best to set the Thames on fire without fear or favour. His immense popularity amidst the creative writers in a short span of his poetic career makes him a poet of high water mark in Indian writing in English. Arbind Kumar Choudhary is really a poet of high water mark in Indian English poetry without mystery

    A Unified Shell model for Buoyancy-Driven Turbulence

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    We construct a unified shell model for stably stratified and convective turbulence. Shell model simulation of stably stratified flow in turbulent regime exhibit Bolgiano-Obukhbov (BO) scaling in which the kinetic energy spectrum varies as k11/5k^{-11/5}. However, simulation of convective turbulence shows Kolmogorov's spectrum. These results are consistent with the direct numerical simulations of Kumar {\em et al.} [Phys. Rev. E {\bf 90}, 023016 (2014)]. We also observe a dual scaling (k11/5k^{-11/5} and k5/3k^{-5/3}) for a limited range of parameters in stably stratified flow

    Author Index

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    Phrasal Movement in Indian English Poetry

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    Indian English poetry has produced a number of literary movements; Aurobindonean School of Poetry, Ezekielen School of Poetry, Confessional School of Poetry, Subaltern School of Poetry and, above all, the Phrasal Movement for the spiritual whirlwind for Tom, Dick and Harry in general and the versifiers in particular in spite of the materialistic monarchy infecting the society. The Phrasal Movement in Indian English Poetry that runs wild from alpha and omega of the verses of the poet Arbind Kumar Choudhary speaks volumes about his gigantic poetic personality in and outside India

    Towards Exploitation of Adaptive Traits for Climate-Resilient Smart Pulses

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    Pulses are the main source of protein and minerals in the vegetarian diet. These are primarily cultivated on marginal lands with few inputs in several resource-poor countries of the world, including several in South Asia. Their cultivation in resource-scarce conditions exposes them to various abiotic and biotic stresses, leading to significant yield losses. Furthermore, climate change due to global warming has increased their vulnerability to emerging new insect pests and abiotic stresses that can become even more serious in the coming years. The changing climate scenario has made it more challenging to breed and develop climate-resilient smart pulses. Although pulses are climate smart, as they simultaneously adapt to and mitigate the effects of climate change, their narrow genetic diversity has always been a major constraint to their improvement for adaptability. However, existing genetic diversity still provides opportunities to exploit novel attributes for developing climate-resilient cultivars. The mining and exploitation of adaptive traits imparting tolerance/resistance to climate-smart pulses can be accelerated further by using cutting-edge approaches of biotechnology such as transgenics, genome editing, and epigenetics. This review discusses various classical and molecular approaches and strategies to exploit adaptive traits for breeding climate-smart pulses

    Story of the Story-Teller: A Conversation with Ramendra Kumar

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    Ramendra Kumar (Ramen) is an award-winning writer, storyteller and inspirational speaker with 42 books to his name.  Ramen’s writings have been published by many of the leading publishers in the county and translated into 30 languages. They have found a place in several textbooks and anthologies. He has written across all genres ranging from picture books to adult fiction, satire, poetry, travelogues, biographies and on issues related to parenting and relationships. He has been invited to literary festivals held in Denmark, Greece, Sharjah, Sri Lanka as well Indian events including the prestigious Jaipur Litfest to conduct storytelling sessions and creative writing workshops. He has also been empanelled by Pearson India Education Services as well as several schools to conduct workshops. He was nominated as a Jury Member for the Best Children’s Author Category of The Times of India’s ‘Women AutHer’ Awards 2020. Many of his stories have been showcased by popular audio streaming, apps both within and outside the country, such as Spotify, Gaatha, Talking Stories Radio – London et al. An Engineer & an MBA, Ramen was serving as the General Manager (Corporate Communications), SAIL, Rourkela Steel Plant, when he took Voluntary Retirement to pursue his passion, in August 2020. To know more about the writer, you can visit his website www.ramendra.in & his page on Wikipedia.  Dr. Sagar Kumar Sharma interviews the author and unfolds the pages of his life. &nbsp
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