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Chinese Journal of Chemistry 2011年第9期29卷 1863-1868页

作者： Bhojegowd, madhusudana reddy m. Siddaramanna, Ashoka Siddappa, Anandakumar B. Thimmanna, Chandrappa g. Pasha, mohamed A. Department of Studies in Chemistry Central College Campus Bangalore University Bengaluru-560001 India

Nanocrystalline zirconium（IV） oxide （nc-ZrO2） possessing high surface area was synthesized by a low tem- perature eco-friendly solution combustion method using a new organic fuel alanine. The powder XRD, SEm and surface area measurements were carried out for characterization of nc-ZrO2. The powder XRD results revealed that, the nc-ZrO2 has the pure tetragonal phase. The crystallite size calculated by Scherrer＇s formula and BET surface area were found to be ca. 53--57 nm and ca. 275 m2/g, respectively. SEm micrograph exhibited the macroporous nature of the powder, nc-ZrO2 has been employed as a catalyst for the solvent-free synthesis of 3,4-dihydro- pyrimidin-2-ones （DHPms） by a microwave （mW） assisted one-pot, multicomponent Biginelli condensation reaction of araldehydes, ethylacetoacetate and urea or thiourea. DHPms are obtained in good to excellent yields （85%-- 96%） under this reaction condition within short interval of time （10--20 min）.

关键词： nanocrystalline-ZrO2 solution combustion araldehydes ethylaceto acetate nano materials greenchemistry catalysis 3,4-dihydropyrimidinones

Synthesis of some new 3-[5-(2-oxo-2H-3-chromenyl)-1,3-oxazol-2-yl]-1,3-thiazolan-4-ones as antimicrobials

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Chinese Chemical Letters 2010年第9期21卷 1045-1048页

作者： Cherkupally Sanjeeva reddy L.Sanjeeva Rao m.Vani Devi g.Rajesh Kumar A.Nagaraj Department of Chemistry Kakatiya University Department of Pharmaceutical Chemistry Telangana University

A series of some new 2-imino-5-[（Z）-1-（4-methylphenyl）methylidene]-3-[5-（2-oxo-2H-3-chromenyl）-1,3-oxazol-2-yl]-1,3- thiazolan-4-ones 5a-j has been synthesized and assayed for their antibacterial activity against gram-positive bacteria *** subtilis（ATCC 6633）,Staphylococcus aureus（ATCC 6538p） and micrococcus luteus（IFC 12708）,and gram-negative bacteria viz. Proteus vulgaris（ATCC 3851）.Salmonella typhimurium（ATCC 14028） and Escherichia coli（ATCC 25922）.Among the screened compounds,5d,5e,5f,5g,and 5j exhibited potent inhibitory activity compared to standard drug,and emerged as potential molecules for further development.

关键词： 1,3-Thiazolan-4-ones 2-Oxo-2H-chromenyl 1,3-Oxazolyl Antibacterial activity

genotype×year interaction of pod and seed mass and stability of Pong.m.a pinnata families in a semi-arid region

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Journal of Forestry Research 2020年第4期31卷 1333-1346页

作者： g.R.Rao B.Sarkar B.m.K.Raju P.Sathi reddy A.V.m.Subba Rao Jessie Rebecca ICAR-Central Research Institute for Dryland Agriculture SantoshnagarHyderabadTelangana State 500059India Tropical Forest Research Institute(TFRI) Indian Council of Forestry Research&EducationMinistry of EnvironmentForest&Climate ChangeGovt.of IndiaJabalpur 482021India

Sixteen pong.m.a families were evaluated in a field experiment for eight consecutive years in dryland conditions to identify stable,high-yielding *** trial was conducted in a randomized complete block design with three *** family,consisting of nine trees per replication,was planted at a spacing of3 m x 3 *** stability was analyzed using(1)Eberhart and Russel’s regression coefficient(β_i)and deviation from regression(S_d^2),(2)Wrike’s ecovalence(W_i);(3)Shukla stability variance(σ_i^2);and(4)Piepho and Lotito’s stability index(L_i).Families were also analyzed for adaptability and stability using AmmI and ggE biplots graphical *** study revealed significant variances due to family and family x year interaction for pod and seed *** performed differently and ranked differently across *** performance of families was influenced by both genetic factor and environmental conditions in different *** families tested,TNmP20,Acc14,TNmP14 and Acc30 were high yielders for pods,and Acc14,Acc30,TNmP6,RAK19 and TNmP14 were high for seed *** to the Eberhart and Russell model,Acc30,TNmP14 and TNmP3 were stable across *** the graphical view of family x year interaction based on AmmI methods,TNmP3,TNmP4 and TNmP14 had greater stability with moderate seed yield,and Acc14 and Acc30 had moderate stability with high seed *** the other hand,ggE biplots revealed Acc14,Acc30 and TNmP14 as high yielders with moderate *** and ggE biplots were able to capture nonlinear parts of the family x year interaction that were not be captured by the Eberhart and Russel model while also identifying stable *** on different methodologies,Acc14,Acc30 and TNmP14 were identified as high yielding and stable families for promoting pong.m.a cultivation as a biofuel crop for semi-arid regions.

关键词： Biofuel Pong.m.a genetic diversity Stability AmmI (additive main effects multiplicative interaction) ggE biplots multi-year trial SVD(singular value decomposition)

Optimal redundant placement of PmUs in Indian power grid -- northern, eastern and north-eastern regions

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Frontiers in Energy 2013年第4期7卷 413-428页

作者： Pathirikkat gOPAKUmAR g. Surya CHANDRA m. Jaya Bharata reddy Dusmata Kumar mOHANTA Department of Electrical and Electronics Engineering National Institute of Technology Timchirappalli 620015 India Department of Electrical and Electronics Engineering Birla Institute of Technology Ranchi 835215 India

Effective utilization of renewable energy sources and efficient manag.m.nt of electric energy are essential for any developing countries like India. This can be envisioned through the implementation of concepts of smart grid （Sg）. One of the key requisites for Sg implementation is that the grid should be completely observable. Renovation of conventional Indian power grid to a Sg necessitates incorporation of the phasor measure- ment units （PmUs） in the present power grid measurement and monitoring system. Since the cost of PmU is high and any bus containing a PmU makes the neighboring connected buses observable, optimal placement of PmUs is very important for complete observability of the grid. This paper proposes optimal redundant geographical locations in the northern, eastern and north-eastern regions of Indian power grid for PmU placement. The PmUs installed in these geographical locations will make the grid completely observable and maintain the observability under the conditions of failure of some PmUs or branch outages. Integer linear programming has been used for finding the optimal PmU locations. The results proposed in this paper can be a stepping stone for revamping the Indian power grid to a Sg ensuring complete observability during different contingency conditions.

关键词： phasor measurement unit (PmU) smart grid (Sg) Indian power grid northern region Indian power grid (NRIPg) eastern region Indian power grid (ERIPg) north- eastern region Indian power grid (NERIPg) redundancy integer linear programing (ILP)

Optimal placement of PmUs for the smart grid implementation in Indian power grid A case study

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Frontiers in Energy 2013年第3期7卷 358-372页

作者： Pathirikkat gOPAKUmAR g. Surya CHANDRA m. Jaya Bharata reddy Dusmata Kumar mOHANTA Department of Electrical and Electronics Engineering National Instituteof Technology Timchirappalli 620015 Tamil Nadu India Department of Electrical and Electronics Engineering Birla Institute of Technology Mesra 835215 Ranchi India

Efficient utilization of energy resources is essential for a developing country like India. The concept of smart grid （Sg） can provide a highly reliable power system with optimized utilization of available resources. The present Indian power grid requires revolutionary changes to meet the growing demands and to make the grid smarter and reliable. One of the important requirements for Sg is the instantaneous monitoring of the voltage, current and power flows at all buses in the grid. The traditional monitoring system cannot satisfy this requirement since they are based on nonlinear power flow equations. Synchro-phasor-measurement devices like phasor mea- surement units （PmUs） can measure the phasor values of voltages at installed buses. Consequently, the currents passing through all branches connected to that bus can be computed. Since the voltage phasor values at the neighboring buses of a bus containing the PmU can be estimated using Ohm＇s law, it is redundant to install PmUs at all the buses in a power grid for its complete observability. This paper proposes the optimal geographi- cal locations for the PmUs in southern region Indian power grid for the implementation of Sg, using Integer Linear Programming. The proposed optimal geographical locations for PmU placement can be a stepping stone for the implementation of Sg in India.

关键词： phasor measurement units (PmUs) smart grid (Sg) southern region Indian power grid (SRIPg) integer linear programming (ILP)

HSRDN: High-Speed Router Design for Various No C Topologies

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Chinese Journal of Electronics 2020年第2期29卷 281-290页

作者： E.Lakshmi Prasad m.N.giri Prasad A.R.reddy Department of ECE JNTUACE Department of RRC MITS

High-speed router design for network on chip(HSRDN) is proposed for controlling the traffic congestion and deadlocks. Diagonal based nearest-path routing algorithm for No C(DNRAN) can mitigate the effect of latency by opting for the nearest-path to reach the destination in a network and HSRDN is part of DNRAN. When we analyze the performance of DNRAN for all proposed topologies, nearly 50% better in terms of latency reduction and high throughput over existing router architectures. The proposed topologies(2 D-mesh,2 D-Star mesh over regional mesh(Smo Rm), 3 D-mesh,and 3 D-torus) are tested with various applications, viz,audio, video and so on. Here, we also tested with cryptography application for DNRAN. When we analyzed the performance of experimental results, exclusively in 2 D-Smo Rm nearly 0.6 times latency get reduced, area expanded by 0.25 and 0.33 times throughput increase in 2 D-Smo Rm compared with 3 D-mesh and 3 ***, DNRAN showed an exclusive performance in 2 D-Smo Rm compared with other two topologies.

关键词： Logic Network on chip(NoC) Virtual channels Latency Congestion Shortest path routing algorithm 3D-mesh 3D-torus

Association of non-alcoholic fatty liver and metabolic-associated fatty liver with COVID-19 outcomes:A systematic review and metaanalysis

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World Journal of gastroenterology 2023年第21期29卷 3362-3378页

作者： gowthami Sai Kogilathota Jagirdhar Rakhtan K Qasba Harsha Pattnaik Kaanthi Rama Akshat Banga Shiva Teja reddy Anna Carolina Flumignan Bucharles Rahul Kashyap Praveen reddy Elmati Vikas Bansal Yatinder Bains Theodore DaCosta Salim Surani Department of medicine Saint Michaels Medical CenterNewarkNJ 07102United States Department of medicine Green Life Medical College and HospitalDhaka 1205Bangladesh Department of medicine Lady Hardinge Medical CollegeNew Delhi 110001India Department of medicine Gandhi Medical CollegeTelangana 500003India Department of medicine Sawai Man Singh Medical CollegeJaipur 302004RajistanIndia Department of medicine Universidade PositivoCuritiba 81290-000PRBrazil Research WellSpan HealthYorkPA 17403United States Department of Interventional Pain medicine University of LouisvilleLouisvilleKY 40292United States Department of Internal medicine Mayo ClinicRochesterMN 55902United States Department of gastroenterology Saint Michaels Medical CenterNewarkNJ 07102United States Department of medicine Texas A&M UniversityCollege StationTX 77843United States

BACKgROUND Non-alcoholic fatty liver disease(NAFLD)and metabolic-associated fatty liver disease(mAFLD)are on the rise like any other liver disease,and tend to affect 25%of the United States *** impact of NAFLD and mAFLD on patients with coronavirus disease 2019(COVID-19)remains *** To identify the association of NAFLD and mAFLD with mortality,hospitalization,hospital length of stay,and supplemental oxygen utilization in COVID-19 *** A systematic review of literature on Cochrane,Embase,Pubmed,ScienceDirect,and Web of Science databases was conducted from January 2019 to July *** that evaluated NAFLD/mAFLD using laboratory methods,noninvasive imaging,or liver biopsy were *** study protocol was registered in PROSPERO(ID CRD42022313259)and PRISmA guidelines were *** National Institutes of Health quality assessment tool was used to assess the quality of the *** analysis was conducted using software Rev man version *** stability of the results was assessed using sensitivity *** Thirty-two studies with 43388 patients were included in the meta-analysis of whom 8538(20%)patients were observed to have *** were 42254 patients from 28 studies included in the mortality analysis.A total of 2008 patients died from COVID-19;837(10.52%)in the NAFLD group and 1171(3.41%)in the non-NAFLD *** odds ratio(OR)was 1.38 for mortality with a 95%confidence interval(95%CI)=0.97-1.95 and P=0.07.A total of 5043 patients from eight studies were included in the hospital length of stay *** were 1318 patients in the NAFLD group and 3725 patients in the non-NAFLD group.A qualitative synthesis showed that the mean difference in hospital length of stay was about 2 d between the NAFLD and non-NAFLD groups with a 95%CI=0.71-3.27 and P=*** hospitalization rates,the OR was 3.25 with a 95%CI of 1.73-6.10 and P=*** supplemental oxygen utilization,the OR was 2.04 with a 95%CI of 1.17-3.5

关键词： Non-alcoholic fatty liver Fatty liver Coronavirus COVID-19 metabolic-associated fatty liver

mechanical properties of Ni_(0.83)Co_(0.15)Cu_(0.02)Fe_(1.9)O_(4-δ)+PbZr_(0.52)Ti_(0.48)O_(3)particulate composites by composite oscillator technique and the correlation with the results of magnetoelectric properties

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Journal of Advanced Ceramics 2012年第4期1卷 317-326页

作者： m.Venkata RAmANA m.Penchal reddy N.Ramamanohar reddy B.S.mURTY K.V.SIVA KUmAR Shenhua SONg Shenzhen Key Laboratory of Advanced materials Department of Materials Science and EngineeringShenzhen Graduate SchoolHarbin Institute of TechnologyShenzhen 518055China Department of Physics Changwon National UniversityChangwonRepublic of Korea Ceramic Composite materials Laboratory Department of PhysicsSri Krishnadevaraya UniversityAnantapur 515003India Nanotechnology Laboratory Department of Metallurgical and Materials EngineeringIndian Institute of TechnologyChennai 600036India

The xNi_(0.83)Co_(0.15)Cu_(0.02)Fe_(1.9)O_(4-δ)+PbZr_(0.52)Ti_(0.48)O_(3)(PZT)particulate magneto ferroelectric composites with x=0,0.1,0.2,0.3,0.4,0.5 and 0.6 mole fraction were prepared by conventional ceramic double sintering *** presence of two phases(perovskite structure of ferroelectric phase and spinal structure of ferromagnetic phase)was confirmed by X-ray *** magnetoelectric(mE)property of the particulate composites was determined at room temperature as a function of intensity of magnetic *** temperature variation of the longitudinal modulus(L)and the internal friction(Q−1)of these particulate composites at 104.3 kHz was studied in the wide temperature range 30-420℃.The temperature variation of the longitudinal modulus in each composition of these particulate composites showed two abrupt *** minimum coincided with the ferroelectric-paraelectric Curie transition temperature(θE)and the other with the ferromagnetic-paramagnetic Curie transition temperature(θm).The internal friction measurement also showed two sharp peaks in each composition corresponding to those temperatures where the minima were noticed in the temperature variation of the longitudinal modulus behaviour.

关键词： X-ray diffraction magnetoelectric effect piezoelectric coefficient internal friction Curie transition temperature

Dilatometric Sintering of Ti-2A1 and Ti-5AI Elemental Powders

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Journal of materials Science & Technology 2007年第3期23卷 363-366页

作者： Bharat B.PANIgRAHI N.Subba reddy Karabi DAS m.m.gODKHINDI Department of metallurgical and materials Engineering Indian Institute of Technology Kharagpur

The effect of Al addition （2 and 5 at. pct） on sintering kinetics of Ti power were investigated. Al reduces the sintering rates, sinter density, increases activation energy of sintering and accelerates the grain growth. Sintering was controlled by mixed mode, i.e. transient liquid phase sintering, formation of intermetallics, and Ti grain boundary diffusion in TiAl2 and other intermetallics.

关键词： Dilatometry Sintering Diffusion Activation energy

PREPARATION AND CHARACTERIZATION OF PVA BASED SOLID POLYmER ELECTROLYTES FOR ELECTROCHEmICAL CELL APPLICATIONS

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Chinese Journal of Polymer Science 2013年第4期31卷 641-648页

作者： Anji reddy Polu Ranveer Kumar Department of Physics K L UniversityGuntur 522502India Department of Physics Dr. Hari Singh Gour University (A Central University)Sagar M.P. 470003India

Solid polymer electrolyte films containing poly（vinyl alcohol）（PVA） and magnesium nitrate （mg（NO3）2） were prepared by solution casting technique and characterized by using XRD, FTIR, DSC and AC impedance spectroscopic analysis. The amorphous nature of the polymer electrolyte films has been confirmed by XRD. The complex formation between PVA and mg salt has been confirmed by FTIR. The glass transition temperature decreases with increasing the mg salt concentration. The AC impedance studies are performed to evaluate the ionic conductivity of the polymer electrolyte films in the range of 303-383 K, and the temperature dependence seems to obey the Arrhenius behavior. Transport number measurements show that the charge transport is mainly due to ions. Electrochemical cell of configuration mg/（PVA ＋ mg（NO3）2）（70：30）/（12 ＋ C ＋ electrolyte） has been fabricated. The discharge characteristics of the cell were studied for a constant load of 100 kΩ.

关键词： Polymer electrolyte XRD DSC Ionic conductivity Electrochemical cell.