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| 1 | Seasonal Inhomogeneity of Soot Particles over the Central Indo-Gangetic Plains,India:Influence of Meteorology显示文摘Black carbon(BC) particles play a unique and important role in earth's climate system.BC was measured(in-situ) in the central part of the Indo-Gangetic Plains(IGP) at Varanasi,which is a highly populated and polluted region due to its topography and extensive emission sources.The annual mean BC mass concentration was 8.92 ± 7.0 μg m^(-3),with 34%of samples exceeding the average value.Seasonally,BC was highest during the post-monsoon and winter periods(approximately 18 μg m^(-3)) and lower in the premonsoon/monsoon seasons(approximately 6 μg m^(-3)).The highest frequency(approximately 46%) observed for BC mass was in the interval from 5 to 10 μg m^(-3).However,during the post-monsoon season,the most common values(approximately 23%) were between 20 and 25 μg m^(-3).The nighttime concentrations of BC were approximately twice as much as the daytime values because of lower boundary layer heights at nighttime.The Angstrom exponent was significantly positively correlated(0.55) with ground-level BC concentrations,indicating the impact of BC on the columnar aerosol properties.The estimated mean absorption Angstrom exponent was 1.02 ± 0.08 μg m^(-3),indicating that the major source of BC was from fossil fuel combustion.Significant negative correlations between BC mass and meteorological parameters indicate a pronounced effect of atmospheric dynamics on the BC mass in this region.The highest mean BC mass concentration(18.1 ± 6.9 μg m^(-3)) as a function of wind speed was under calm wind conditions(38%of the time). | SINGH B.P. TIWARI S. HOPKE Philip K. SINGH R.S. BISHT D.S. SRIVASTAVA A.K. SINGH R.K. DUMKA U.C. SINGH A.K. RAI B.N. SRIVASTAVA Manoj K. | 2015 | Journal of Meteorological Research2015，29，6： | 3 |
| 2 | Spectroscopic investigations and luminescence spectra of Sm3+ doped soda lime silicate glasses显示文摘Sm3+ doped soda lime silicate glasses co-doped with As2O3 were prepared and characterised by measuring their absorption spectra in UV-VIS/NIR regions and luminescence spectra in the visible region. Judd-Ofelt intensity parameters, Ωλ, were evaluated from the measured intensifies of the various absorption bands. Ωλ parameters of these glasses were compared with the Ωλ parameters of other reported Sm3+ glasses to study the bonding environment surrounding the Sm3+ in the present glasses. Presence of [AsO4]3- tetrahedra in the second coordination sphere around the central Sm3+ ion made these glasses less covalent as compared to other oxide glasses but the ratio Ω4/Ω6 of the~1.83 indicated them to be fairly stable. With the help of Ωλ parameters and luminescence data for various emission lines, radiative properties for different emission lines were calculated. The values of radiative properties indicated that 4G5/2→6H7/2 and 4G5/2→6H9/2 transitions responsible for orange luminescence might be used in the development of materials for LED's and other optical devices in the visible region. | Y.K. Sharma S.S.L. Surana R.K. Singh | 2009 | Journal of Rare Earths2009，27，5： | 3 |
| 3 | In vitro degradation and mechanical integrity of calcium-containing magnesium alloys in modified-simulated body fluid显示文摘 | M. Bobby Kannan R.K. Singh Raman | 2008 | Biomaterials2008，，15： | 2 |
| 4 | Molecular fingerprinting of hybrids and assessment of genetic purity of hybrid seeds in rice using microsatellite markers显示文摘 | N. Nandakumar A.K. Singh R.K. Sharma T. Mohapatra K.V. Prabhu F.U. Zaman | 2004 | Euphytica2004，，3： | 2 |
| 5 | Microbiologically assisted stress corrosion cracking of carbon steel in mixed and pure cultures of sulfate reducing bacteria显示文摘 | R. Javaherdashti R.K. Singh Raman C. Panter E.V. Pereloma | 2006 | International Biodeterioration & Biodegradation2006，，1： | 2 |
| 6 | Long-term impact of irrigation with sewage effluents on heavy metal content in soils, crops and groundwater—a case study显示文摘 | R.K. Rattan S.P. Datta P.K. Chhonkar K. Suribabu A.K. Singh | 2005 | Agriculture Ecosystems and Environment2005，，3： | 2 |
| 7 | Comparative sequence analysis of major envelope protein gene (B2L) of Indian orf viruses isolated from sheep and goats显示文摘 | Madhusudan Hosamani V. Bhanuprakash A. Scagliarini R.K. Singh | 2006 | Veterinary Microbiology2006，，4： | 2 |
| 8 | Changes in Activities of Antioxidant Enzymes in Sunflower Leaves of Different Ages显示文摘 | R.K. Sairam D.V. Singh G.C. Srivastava | 2003 | Biologia Plantarum2003，，1： | 1 |
| 9 | Optimum allocation of distributed generations based on nodal pricing for profit, loss reduction, and voltage improvement including voltage rise issue显示文摘 | R.K. Singh S.K. Goswami | 2009 | International Journal of Electrical Power and Energy Systems2009，，6： | 1 |
| 10 | Protective role of antioxidant enzymes under high temperature stress显示文摘 | Moaed Almeselmani P.S. Deshmukh R.K. Sairam S.R. Kushwaha T.P. Singh | 2006 | Plant Science2006，，3： | 1 |
| 11 | Oxidative stress and antioxidant activity as the basis of senescence in maize leaves显示文摘 | Dagmar Prochazkova R.K. Sairam G.C. Srivastava D.V. Singh | 2001 | Plant Science2001，，4： | 1 |
| 12 | Boswellic acids: A leukotriene inhibitor also effective through topical application in inflammatory disorders显示文摘 | S. Singh A. Khajuria S.C. Taneja R.K. Johri J. Singh G.N. Qazi | 2007 | Phytomedicine2007，，6： | 1 |
| 13 | Controlled atmosphere storage of guava ( Psidium guajava L.) fruit显示文摘 | S.P. Singh R.K. Pal | 2007 | Postharvest Biology and Technology2007，，3： | 1 |
| 14 | Rapid differentiation of Mycobacterium bovis and Mycobacterium tuberculosis based on a 12.7-kb fragment by a single tube multiplex-PCR显示文摘 | C.S. Bakshi D.H. Shah Rishendra Verma R.K. Singh Meenakshi Malik | 2005 | Veterinary Microbiology2005，，3： | 1 |
| 15 | Suitability of mapped sequence tagged microsatellite site markers for establishing distinctness, uniformity and stability in aromatic rice显示文摘 | R.K. Singh R.K. Sharma A.K. Singh V.P. Singh N.K. Singh S.P. Tiwari T. Mohapatra | 2004 | Euphytica2004，，2： | 1 |
| 16 | Luminescence, lifetime and quantum yield studies of YVO 4 :Ln 3+ (Ln 3+显示文摘 | N. Shanta Singh R.S. Ningthoujam M. Niraj Luwang S. Dorendrajit Singh R.K. Vatsa | 2009 | Chemical Physics Letters2009，，4： | 1 |
| 17 | An analysis of linkage between economic value added and corporate social responsibility显示文摘 | R.K. Mittal Neena Sinha Archana Singh | 2008 | Management Decision2008，，9： | 1 |
| 18 | Long-term impact of irrigation with sewage effluents on heavy metal content in soils, crops and groundwater—a case study显示文摘 | R.K. Rattan S.P. Datta P.K. Chhonkar K. Suribabu A.K. Singh | 2005 | Agriculture Ecosystems and Environment2005，，3： | 1 |
| 19 | Stress corrosion cracking of a recent rare-earth containing magnesium alloy, EV31A, and a common Al-containing alloy, AZ91E显示文摘 | Bharat S. Padekar R.K. Singh Raman V.S. Raja Lyon Paul | 2013 | Corrosion Science2013，，： | 1 |
| 20 | Role of microstructure on corrosion of duplex stainless steel in presence of bacterial activity显示文摘 | P.J. Antony R.K. Singh Raman R. Raman Pradeep Kumar | 2009 | Corrosion Science2009，，4： | 1 |
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