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Development of Diagnostics for High-Temperature High-Pressure Liquid Pb-16Li Applications

World Journal of Nuclear Science and Technology 2017年第4期7卷 292-308页

作者： Abhishek Saraswat Srikanta sahu T. Srinivas Rao Ashokkumar Prajapati Shrikant Verma Sandeep Gupta Mritunjay kumar Rajendraprasad Bhattacharyay Partha Das Institute for Plasma Research Gandhinagar India Bhabha Atomic Research Centre Mumbai India

Liquid lead-lithium (Pb-16Li) is of primary interest as one of the candidate materials for tritium breeder, neutron multiplier and coolant fluid in liquid metal blanket concepts relevant to fusion power plants. For an effective and reliable operation of such high temperature liquid metal systems, monitoring and control of critical process parameters is essential. However, limited operational experience coupled with high temperature operating conditions and corrosive nature of Pb-16Li severely limited application of commercially available diagnostic tools. This paper illustrates indigenous calibration test facility designs and experimental methods used to develop non-contact configuration level diagnostics using pulse radar level sensor, wetted configuration pressure diagnostics using diaphragm seal type pressure sensor and bulk temperature diagnostics with temperature profiling for high temperature, high pressure liquid Pb and Pb-16Li applications. Calibration check of these sensors was performed using analytical methods, at temperature between 380°C - 400°C and pressure upto 1 MPa (g). Reliability and performance validation were achieved through long duration testing of sensors in liquid Pb and liquid Pb-16Li environment for over 1000 hour. Estimated deviation for radar level sensor lies within [−3.36 mm, +13.64 mm] and the estimated error for pressure sensor lies within 1.1% of calibrated span over the entire test duration. Results obtained and critical observations from these tests are presented in this paper.

关键词： Sensor Lead-Lithium Liquid Metal Fusion Blanket

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Population Dynamics of Colonizing Fauna and Its Effect on Growth Rates of the Farmed Red Alga Alsidium triquetrum (S. G. Gmelin) Trevisan

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Natural Science 2022年第2期14卷 42-55页

作者： Ruben Cabrera Arsenio J. Areces Jhoana Díaz-Larrea Sunil kumar sahu Juan Ricardo Cruz-Aviña Laura G. Nuñez García Gabinete de Arqueología Oficina del Historiador de la Ciudad Habana Vieja Cuba Instituto de Geografía Tropical Ministerio de Ciencia Tecnología y Medio Ambiente Municipio Playa Ciudad Habana Cuba Departamento de Hidrobiología Universidad Autónoma Metropolitana Unidad Iztapalapa CBS Cd de México México State Key Laboratory of Biocontrol Guangdong Key Laboratory of Plant Resources School of Life Science Sun Yat-Sen University Guangzhou China Facultad de Medicina Veterinaria y Zootecnia BUAP Laboratorio de Medicina de la Conservación Licenciatura en Medicina Veterinaria y Fauna Silvestre Km. 7.5 Carretera Ca&ntilde ada Morelos El Salado Tecamachalco Puebla Mexico

Herbivores can drastically alter the morphology of macroalgae by directly consuming tissue and by inflicting structural wounds. Macroalgae host abundant and diverse epibiont communities, the dynamics of which tend to be mostly unknown in space and time. As the cultivation of macroalgae gains momentum worldwide, it is key to measure how epibionts could affect algal performance. We examined the epibiont community associated with farmed Alsidium triquetrum, a red macroalga with growing pharmacological interest. Measurements were conducted over two independent 60-day periods, one in summer and one in winter. Epibionts showed different patterns of succession in both seasons. Crustaceans, mainly amphipods, showed the highest overall density, with deleterious effects on daily growth rates of A. triquetrum in winter. Adverse effects as a function of epibionts were not detected in summer. A. triquetrum is a perennial alga. However, its performance as a crop in the nearshore can be significantly affected by the epibiont community structure that persists in winter. Amphipods and ascoglossan molluscs were risk factors in the mariculture of this agarophyte. In winter, they can destroy plants when they reach more than five individuals per gram of fresh biomass. Results highlight that commercial farming of A. triquetrum would be successful if grown throughout the summer.

关键词： Cultivation Epifauna Macroalgae Macroinvertebrates Seaweed Mariculture

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VALUE ADDITION IN THE PROCESSING OF COPPER BLEED SOLUTION BY SOLVENT EXTRACTION PROCESS

VALUE ADDITION IN THE PROCESSING OF COPPER BLEED SOLUTION BY...

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International Solvent Extraction Conference 2005

作者： Vinay kumar B.D.Pandey A.Agarwal D.Bagchi S.kumari S.K.sahu Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India Non-ferrous Process Group MEF Division National Metallurgical Laboratory Jamshedpur India

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Influence of temperature dependent heat source/sink on transient MHD free convective flow in an infinite rigid impermeable vertical cylinder with chemical reaction

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Propulsion and Power Research 2023年第4期12卷 568-583页

作者： Naveen Dwivedi Ashok kumar Singh Nirmal C.Sacheti Department of Mathematics Institute of ScienceBanaras Hindu UniversityVaranasi 221005India Department of Mathematics Sahu Jain CollegeNajibabadAffiliated to M.J.P.Rohilkhand UniversityBareilly 246763India Retired Professor Department of MathematicsCollege of ScienceSultan Qaboos UniversityAl Khod PC 123MuscatSultanate of Oman

It is increasingly apparent that the inclusion of mass transfer aspects,together with certain thermal conditions,in the momentum and energy equations governing MHD flows leads to a numbers of real life *** this in view,we have attempted an exact analysis of heat and mass transfer aspects in transient hydromagnetic free convective flow of an incompressible viscous fluid through a vertical pipe under an externally applied magnetic field,assuming presence of chemical reaction and heat source/*** governing PDEs,which simplify to a set of 3 linear ODEs in the physical set up considered here,have been solved using Laplace transform technique,with solutions for key physical variables presented in the term of Bessel and modified Bessel *** influence of governing non-dimensional parameters,namely,Hartmann number,Schmidt number,source/sink parameter,Prandtl number and chemical reaction parameter,has been illustrated on the developing velocity and some concentration *** important quantities of engineering interest-surface skin friction and volumetric flow rates-have been computed too and *** notable finding worth mentioning are:(a)heat source presence causes higher fluid velocity as compared to the heat sink;(b)all important surface shear stress can be suitably controlled,among others,by chemical reaction parameter and Schmidt *** key challenge of this study has been to obtain exact closed-form solutions of the field equations,including cumbersome Laplace *** study finds innovative applications in the emerging fields such as magnetic materials processing,chemical processes,solar energy systems,etc.

关键词： Circular cylinder Hydromagnetic transient flow Chemical reaction Source/sink Free convection

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Characterization of winged bean (<i>Psophocarpus tetragonolobus</i>(L.) DC.) based on molecular, chemical and physiological parameters

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American Journal of Molecular Biology 2013年第4期3卷 187-197页

作者： Chandra Sekhar Mohanty Sushma Verma Vinayak Singh Shahina Khan Priyanka Gaur Priya Gupta M. Abdul Nizar Nilamani Dikshit Rojalin Pattanayak Alpika Shukla Abhishekh Niranjan Nayan sahu Soumit kumar Behera Tikam Singh Rana CSIR-National Botanical Research Institute Rana Pratap Marg Lucknow Uttar Pradesh India National Bureau of Plant Genetic Resources Regional Station Akola Maharashtra India Sanjay Gandhi Institute of Post-Graduate Medical Sciences Lucknow Uttar Pradesh India University of Lucknow Lucknow Uttar Pradesh India

Winged bean (Psophocarpus tetragonolobus (L.) DC.) is a potential legume crop of the tropics with high protein and oil content in the seeds. Analysis of the mutual genotypic relationships among twenty four genotypes of P. tetragonolobus through Mantel test found a significant correlation (r = 0.839) between similarity matrices of the results obtained from the use of the RAPD and ISSR molecular markers. The UPGMA tree based on Jaccard’s similarity coefficient generated from their cumulative data showed two distinct clusters and seven sub-clusters among these accessions. Quantification of total polyphenols, flavonoids and tannin revealed the highest percentage of occurrence of kaempferol (1.07-790.5 μg/g) and the lowest percentage of gallic acid (0.09-3.49 μg/g) in the seeds. Phytochemical analysis of the winged bean genotypes revealed that, some of the exotic lines are distinct. Analysis of photosynthesis rate, photosynthetic yield and stomatal conductance data also showed two clusters and was in congruence with the phytochemical affinities of the genotypes. The overall high level of polymorphism and varied range of genetic distances across the genotypes revealed a wide range of genetic base of P. tetragonolobus. The present investigation therefore, has provided significant insights for further improvement of winged bean germplasm for its qualitative and quantitative traits.

关键词： Psophocarpus tetragonolobus Polyphenols Flavonoid RAPD ISSR Physiological Parameter

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Blockchain Based Secure Solution for Cloud Storage:A Model for Synchronizing Industry 4.0 and IIoT

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Journal of Cyber Security 2021年第2期3卷 107-115页

作者： Prakhar sahu S.K.Singh Arun kumar Singh Amity Institute of Information Technology Amity University Uttar PradeshLucknow226028India UBS CommerzonePuneMaharatstra411006India

Industry 4.0 is one of the hot topic of today’s world where everything in the industry will be data driven and technological advancements will take place *** the fourth phase of industrial revolution,manufacturers are dependent upon data produced by the consumers to invent,innovate or change anything for the *** of things devices like OBD,RFID,IIoT,Smart devices are the major source of data generation and represents trends in the *** the IoT device are vulnerable to hackers due to its limitation,consumer data security should be tighten up and *** paper gives an overview of industrial revolutions as well as proposes Blockchain Cloud Computing as a solution to store data for Industry 4.0.

关键词： Industry 4.0 IIoT authentication smart contract ledger P2P IoT

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旱地甘蔗生理特性研究

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福建甘蔗 2008年第2期 40-42页

作者： D. N. Kamat J. R. P. Singh Balwant kumar R. S. sahu 印度Rajendra农业大学植物育种系

1998年进行旱地秋植甘蔗的田间试验，研究了15个早熟、中迟熟甘蔗品种的生理特性，结果表明，中迟熟甘蔗品种B0128的甘蔗产量超过其它品种，收获时蔗汁的蔗糖分最高，而且九月份的叶面积指数，叶片叶绿素a、b含量和脯氨酸含量也最高。... 详细信息

1998年进行旱地秋植甘蔗的田间试验，研究了15个早熟、中迟熟甘蔗品种的生理特性，结果表明，中迟熟甘蔗品种B0128的甘蔗产量超过其它品种，收获时蔗汁的蔗糖分最高，而且九月份的叶面积指数，叶片叶绿素a、b含量和脯氨酸含量也最高。六、九月份的叶面积指数，一月中旬的叶绿素a、b含量和蔗汁蔗糖分都与甘蔗产量极显著正相关。脯氨酸含量与甘蔗产量之间也有正的关系。因此，在选育耐旱甘蔗品种时就应该考虑这些生理特性。

关键词：生理特性旱地甘蔗叶面积指数脯氨酸含量甘蔗品种甘蔗产量叶绿素a 田间试验

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Genomic and transcriptomic analysis unveils population evolution and development of pesticide resistance in fall armyworm Spodoptera frugiperda

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Protein & Cell 2022年第7期13卷 513-531页

作者： Furong Gui Tianming Lan Yue Zhao Wei Guo Yang Dong Dongming Fang Huan Liu Haimeng Li Hongli Wang Ruoshi Hao Xiaofang Cheng Yahong Li Pengcheng Yang Sunil kumar sahu Yaping Chen Le Cheng Shuqi He Ping Liu Guangyi Fan Haorong Lu Guohai Hu Wei Dong Bin Chen Yuan Jiang Yongwei Zhang Hanhong Xu Fei Lin Bernard Slippers Alisa Postma Matthew Jackson Birhan Addisie Abate Kassahun Tesfaye Aschalew Lemma Demie Meseret Destaw Bayeleygne Dawit Tesfaye Degefu Feng Chen Paul K.Kuria Zachary M.Kinyua Tong-Xian Liu Huanming Yang Fangneng Huang Xin Liu Jun Sheng Le Kang State Key Laboratory for Conservation and Utilization of Bioresources in Yunnan Yunnan Agricultural UniversityKunming 650201China State Key Laboratory of Agricultural Genomics BGI-ShenzhenShenzhen 518083China State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China Beijing Institutes of Life Science Chinese Academy of SciencesBeijing 100101China MGI BGI-ShenzhenShenzhen 518083China BGI-Qingdao BGI-ShenzhenQingdao 266555China BGI-Yunnan No.389 Haiyuan RoadHigh-tech Development ZoneKunming 650106China China National GeneBank Jinsha RoadDapeng New DistrictShenzhen 518120China Department of Biology University of Copenhagen2100 CopenhagenDenmark Guangdong Provincial Key Laboratory of Genome Read and Write BGI-ShenzhenShenzhen 518120China Guangdong Provincial Academician Workstation of BGI Synthetic Genomics BGI-ShenzhenShenzhen 518120China Yunnan Plateau Characteristic Agriculture Industry Research Institute Kunming 650201China College of Plant Health and Medicine Qingdao Agricultural UniversityQingdao 266109China Department of Entomology Louisiana State University Agricultural CenterBaton RougeLA 70803USA CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100101China Yunnan Plant Protection and Quarantine Station Kunming 650034China State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources South China Agricultural UniversityGuangzhou 510642China BGI-Americas One Broadway14th FloorCambridgeMA 02142USA Departme nt of Biochemistry Gen etics and MicrobiologyForestry and Agricultural Biotech no logy InstituteUn iversity of PretoriaPretoriaSouth Africa Ethiopian Biotechnology Institute Addis AbabaEthiopia College of Natural Science Addis Ababa UniversityAddis AbabaEthiopia Melkassa Agricultural Research Center Ethiopian Institute of Agricultural ResearchMelkassaAddis AbabaEthiopia Kenya Agricultural and Livestock Res

The fall armyworm(FAW),Spodoptera frugiperda,is a destructive pest native to America and has recently become an invasive insect pest in *** of its rapid spread and great risks in China,understanding of FAW genetic background and pesticide resistance is urgent and essential to develop effective management ***,we assembled a chromosome-level genome of a male FAW(SFynMstLFR)and compared re-sequencing results of the populations from America,Africa,and *** identification of 163 individuals collected from America,Africa and China showed that both C and R strains were found in the American pop-ulations,while only C strain was found in the Chinese and African ***,population geno-mics analysis showed that populations from Africa and China have close relationship with significantly genetic differentiation from American *** toge-ther,FAWs invaded into China were most likely origi-nated from *** genomics analysis displayed that the cytochrome p450 gene family is extremely expanded to 425 members in FAW,of which 283 genes are specific to *** of Chinese populations with twenty-three pesticides showed the variant patterns of transcriptome profiles,and several detoxification genes such as AOX,UGT and GST spe-cially responded to the *** findings will be useful in developing effective strategies for manage-ment of FAW in China and other invaded areas.

关键词： Spodoptera frugiperda chromosome-level genome population differentiation cytochrome p450 pesticides

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浇注铝镇静钢用防堵塞水口的设计与开发

浇注铝镇静钢用防堵塞水口的设计与开发

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2008年耐火材料学术交流会

作者：尤士伟孙荣海贺中央 Birendra Prasad Dr.Jayant kumar sahu Jai Narayan Tiwari OCL 濮阳濮耐高温材料股份有限公司

当今,每个钢厂都更加重视质量和竞争性的花费。由于连铸炼钢增加了流程长度,降低了成本,因此,连铸替代了原来的铸锭法炼钢。中间包耐火材料的任何过早损毁,都会终止浇注而且降低钢质量。据观察,钢厂面临着铝堵塞潜入式水口内孔壁问题的... 详细信息

当今,每个钢厂都更加重视质量和竞争性的花费。由于连铸炼钢增加了流程长度,降低了成本,因此,连铸替代了原来的铸锭法炼钢。中间包耐火材料的任何过早损毁,都会终止浇注而且降低钢质量。据观察,钢厂面临着铝堵塞潜入式水口内孔壁问题的困惑。为了能延长流程长度,SEN/SES对中间包寿命起着重要作用。铝沉积导致的水口阻塞给连铸带来严重问题,特别是在低碳铝镇静钢中,经常观察到铝沉积现象。堵塞是因为未完全清除悬浮在钢水中的固体杂质造成的。最初,氧化铝颗粒以及其他非金属杂质开始缓慢连续的堵塞内壁。一旦这些物质形成一薄层黏附在水口内表面,就会加快堵塞,甚至阻碍钢的静态力。结果,内孔的有效直径从进口端到出口端不均匀地减小。具有两个或四个端口的水口更是如此,这就导致了钢流混乱以及不稳定操作。只有几微米的氧化铝颗粒对钢水质量影响很小,这些氧化铝颗粒未曾被钢包/中间包结晶器内的保护渣所吸收,但是较大颗粒会黏附在水口上,并从水口内孔中脱落,最终给连铸产品带来了不少缺陷。本文,利用氧化铝沉积在下水口内壁问题来研究观察到的连铸产品的缺陷。基于对堵塞材料的研究,引用了堵塞发生的可能性机理。开发了一种特殊类型的无碳防堵塞合成混合物,并展示了该混合物作用于水口内壁的应用方法。这种材料的特性是它在还原条件下,接受热处理时,会形成一个具有精细气孔尺寸分布的致密结构。精细致密结构有利于阻止氧化铝沉积并保持连铸过程中水口内孔清洁。除了开发新材料,还提出了设计水口内孔及端口的新方法。改进的应用于水口的防堵塞材料以及新型内孔、端口设计最初在实验室的试验窑炉中进行了试验,并最终在整体钢部件中成功地进行了试验。实验中,推荐使用了一个预热操作程序,以阻止由于金属冷却带来的水口堵塞。具体试验得到了决定性结论,这些结论对钢厂十分有益。

关键词：堵塞连铸潜入式水口流程长度过早损坏

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Research on Self-balancing Two Wheels Mobile Robot Control System Analysis

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Electrical Science & Engineering 2022年第1期4卷 7-20页

作者： Hla Myo Tun Myat Su Nwe Zaw Min Naing Maung Maung Latt Devasis Pradhan Prasanna kumar sahu Faculty of Electrical and Computer Engineering Yangon Technological UniversityYangonMyanmar Department of Mechanical Engineering King Lauk Phya Institute of Technology MyaungmyaMyaungmyaMyanmar Department of Research and Innovation Ministry of Science and TechnologyYangonMyanmar Department of Electronic Engineering Yangon Technological UniversityYangonMyanmar Department of Electronics&Communication Engineering Acharya Institute of TechnologyBengaluruIndia Department of Electrical Engineering National Institute of TechnologyRourkelaOdishaIndia

The paper presents the research on self-balancing two-wheels mobile robot control system analysis with experimental *** research problem in this work is to stabilize the mobile robot with self-control and to carry the sensitive things without failing in a long span *** main objective of this study is to focus on the mathematical modelling of mobile robot from laboratory scale to real world *** numerical expression with mathematical modelling is very important to control the mobile robot system with *** fundamental concepts of dynamic system stability were utilized for maintaining the stability of the constructed mobile robot *** controller design is also important for checking the stability and the appropriate controller design is proportional,integral,and derivative-PID controller and Linear Quadratic Regulator(LQR).The steady state error could be reduced by using such kind of PID *** simulation of numerical expression on mathematical modeling was conducted in MATLAB *** confirmation results from the simulation techniques were applied to construct the hardware design of mobile robot system for practical *** results from simulation approaches and experimental approaches are matched in various kinds of *** constructed mobile robot system was designed and analyzed in the control system design laboratory of Yangon Technological University(YTU).

关键词： Mobile robot Self-balancing robot Control system design PID controller Dynamic control system analysis

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