Search results for: P.K. Singh

Items from 1 to 20 out of 198 results

article

Experimental investigation on microstructure, mechanical and machining properties of Al‐4032/granite marble powder (GMP) composite produced through stir casting

P. Saini, P.K. Singh

Materialwissenschaft und Werkstofftechnik > 53 > 11 > 1450 - 1467

The aluminium‐based composites (AMCs) are quite popular in several areas such as building, aerospace, automotive, marine, and aeronautical applications. Production industries deeply emphasize improvement in productivity and saving in cost. The composites fulfil these goals because of reinforcement materials. However, to bring in the composite to usage, it generally demands certain machining operation...

article

A new host record for Candidatus Phytoplasma cynodontis (16Sr XIV‐A) associated with phyllody and fasciation of linseed (Linum usitatissimum) from India

K. Ajithkumar, A.S. Savitha, S. Mahadevakumar, M.Y. Sreenivasa, more

Letters in Applied Microbiology > 73 > 5 > 672 - 681

Linseed commonly called as flaxseed (Linum usitatissimum Linn.) is an important oilseed crop cultivated widely in Northern parts of Karnataka. During, 2019 (January–February), a characteristic disease was noticed with symptoms that resembled phytoplasma or like disease symptoms. The incidence was ranged from 6·5 to 16·5% in the experimental station of Raichur Agricultural University. The typical symptoms...

article

Measuring quality of antenatal care: a secondary analysis of national survey data from India

L Singh, R Dubey, S Singh, R Goel, more

BJOG: An International Journal of Obstetrics & Gynaecology > 126 > S4 > 7 - 13

Objective To assess the coverage and adequacy of antenatal care services (ANC) available to women and examine the socio‐economic determinants affecting service utilisation. Design Secondary data analysis of a population‐based national survey. Setting India, 2015/16. Sample In all, 190 898 women between 15 and 49 years of age who had a live birth during the 5 years preceding the survey. Methods...

article

Ball impact induced elastico-mechanoluminescence for impact sensor

Piyush Jha, Ayush Khare, P.K. Singh, V.K. Chandra, more

Journal of Luminescence > 2018 > 195 > C > 40-43

In this paper, we report on the elastico-mechanoluminescence (EML) from Sr_0.97Al₂O₄:Eu_0.01, Dy_0.02 phosphor composite film. The film is prepared on polycarbonate substrate by mixing of Sr_0.97Al₂O₄:Eu_0.01, Dy_0.02 phosphor with optical resin. The EML induced by impulsive excitation using a steel ball is measured. The ML intensity increases linearly with square of impact velocity of the steel ball. This...

article

Ambient black carbon particulate matter in the coal region of Dhanbad, India

S. Singh, S. Tiwari, P.K. Hopke, C. Zhou, more

Science of The Total Environment > 2018 > 615 > C > 955-963

Light-absorbing, atmospheric particles have gained greater attention in recent years because of their direct and indirect impacts on regional and global climate. Atmospheric black carbon (BC) aerosol is a leading climate warming agent, yet uncertainties in the global direct aerosol radiative forcing remain large. Based on a year of aerosol absorption measurements at seven wavelengths, BC concentrations...

article

Blast induced rock mass damage around tunnels

H.K. Verma, N.K. Samadhiya, M. Singh, R.K. Goel, more

Tunnelling and Underground Space Technology > 2018 > 71 > C > 149-158

Drilling and blasting is a preferred method of rock excavation world-wide due to low initial investment, cheap explosive energy, easy acceptability among the blasting engineers and, possibility to deal with different shapes and sizes of openings. Although, drill and blast method has witnessed significant technological advancements, it has inherent disadvantage of deteriorating surrounding rock mass...

article

A morphometric study of predictors for sexual dimorphism of cervical part of vertebral column in human foetuses

Nidhi Sharma, S.K. Jain, P.K. Singh, Rohin Garg

Journal of the Anatomical Society of India > 2017 > 66 > 2 > 135-139

Foetal anatomy is the evolving specialty in the modern era. The first reason behind this is the advancement of a new field of in-utero foetal surgery and second reason is that it is related to medico-legal importance.According to the gestational age 30 foetuses were divided into two groups. Each group comprised of 10 male and 5 female foetuses with gestational age <25 and >25 weeks respectively,...

article

Source region and sector contributions of atmospheric soot particle in a coalfield region of Dhanbad, eastern part of India

S. Singh, S. Tiwari, U.C. Dumka, R. Kumar, more

Atmospheric Research > 2017 > 197 > C > 415-424

Black carbon (BC) aerosols affect the Earth's climate directly by interacting with the solar radiation and indirectly by modifying the lifetime and optical properties of clouds. However, our understanding of BC aerosols and their impacts on the climate are limited by lack of in situ measurements of BC, especially in the developing world. This study reports measurements of BC from Dhanbad, a coalfields...

article

Single centre experience of post myocardial infarction ventricular septal rupture-device closure

P.K. Singh, A. Phatarpekar, G. Sabnis, H. Shah, more

Indian Heart Journal > 2017 > 69 > S2 > S43-S44

article

Development of Wnt/Notch Activators as Mitigators of Acute Radiation Gastrointestinal Syndrome

P.K. Singh, X. Li, J. Zhang, G. Liu, more

International Journal of Radiation Oncology*Biology*Physics > 2017 > 99 > 2(S) > S20

article

Differential phytotoxic responses of silver nitrate (AgNO₃) and silver nanoparticle (AgNps) in Cucumis sativus L.

A. Tripathi, S. Liu, P.K. Singh, N. Kumar, more

Plant Gene > 2017 > 11 > Part B > 255-264

The present study was undertaken to evaluate the effects of silver nitrate (AgNO₃) and biosynthesized silver nanoparticle (AgNps) on Cucumis sativus L seedlings. Results indicated that both the forms of silver significantly reduced the growth which may be accompanied due to increased accumulation of silver in plants (4708.2+/-108.75mg/kg). Both the treatments showed steep reduction (> in AgNO₃...

article

Atomic layer deposited dielectric and/or semiconducting oxide bilayers for crystalline silicon surface passivation

Jagannath Panigrahi, Vandana Panwar, Rajbir Singh, P.K. Singh

Energy Procedia > 2017 > 124 > C > 302-306

This study deals with the silicon surface passivation by thermal ALD deposited oxides bilayer of HfO₂/Al₂O₃ as well as single layer of Al rich ZnO (AZO) in the form of ZnO and Al₂O₃ multilayers. A significant improvement in the effective minority carrier lifetime (τ_eff ~ 1.3ms) of n-type Si is observed after deposition of HfO₂(5nm)/Al₂O₃(5nm)/Si compared to that of the single layer Al₂O₃(10nm)/Si...

article

Microstructure-dependent fracture toughness (JIC) variations in dissimilar pipe welds for pressure vessel system of nuclear plants

Dinesh W. Rathod, Sunil Pandey, P.K. Singh, Suranjit Kumar

Journal of Nuclear Materials > 2017 > 493 > C > 412-425

In present study, dissimilar metal weld (DMW) joints between SA508Gr.3cl.1 ferritic steel and SS304LN pipes were prepared using Inconel 82/182, and Inconel 52/152 consumables. Metallurgical properties and their influence on fracture toughness of weldment regions and interfacial regions could play a significant role in integrity assessment of these joints. Ni-based consumables exhibit complex metallurgical...

article

Influence of graded compositions and carbon diffusivities in buttering on structural integrity of dissimilar metal welds

Dinesh W. Rathod, R.K. Raj Singh, Sunil Pandey, S. Aravindan, more

Materials Science and Engineering: A > 2017 > 702 > C > 289-300

Aim of the paper is to understand the effect of heterogeneity (graded composition) in buttering on the structural and mechanical properties in terms of integrity assessment of the dissimilar metal weld (DMW) joints. The metallurgical, microstructural and mechanical properties investigation of four types of DMW joints between SA508Gr.3Cl.1 (low alloy steel) and SS304LN (stainless steel) using an intermediate...

article

74 Ivacaftor treatment activates circulating neutrophils in R117H patients: potential for a CFTR independent mechanism

G. Hardisty, S. Law, S.C. Carter, B. Grogan, more

Journal of Cystic Fibrosis > 2017 > 16 > S1 > S83

article

WS03.5 Invasive sampling that bypasses the oropharynx provides insights into the lung microbiota of children with CF and mild lung disease

P. Jorth, A. Rezayat, Z. Ehsan, D. Benscoter, more

Journal of Cystic Fibrosis > 2017 > 16 > S1 > S5-S6

article

47 Effects of lumacaftor/ivacaftor in patients homozygous for F508del mutation with very advanced lung disease

S.C. Carter, S. Kearns, B. Grogan, K.B. Hisert, more

Journal of Cystic Fibrosis > 2017 > 16 > S1 > S76

article

Effect of dissolved oxygen and temperature on fatigue crack growth rate behaviour of SA312 Type 304L(N) material in water environment

Punit Arora, P.K. Singh, V. Bhasin, A. Rama Rao

International Journal of Fatigue > 2017 > 95 > C > 204-215

The present study aims at quantification of Fatigue Crack Growth Rate (FCGR) parameters under different dissolved oxygen levels in water at room temperature (RT) and 300°C for SA312 Type 304L(N). The tests were conducted under 0.005Hz loading frequency. With a presumption that strain rate (or frequency) does not affect FCGR in air at RT, a reference test was carried out in air under 10Hz frequency...

article

Surgical outcome of microsurgical excision of brain and spinal cord cavernomas: Our 13 year single center experience

D. Sawarkar, R. Kumar, P.K. Singh, D. Agrawal, more

European Journal of Cancer > 2017 > 72 > S1 > S47

article

Morphology of open clusters NGC 1857 and Czernik 20 using clustering algorithms

S. Bhattacharya, V. Mahulkar, S. Pandaokar, P.K. Singh

Astronomy and Computing > 2017 > 18 > C > 1-7

The morphology and cluster membership of the Galactic open clusters—Czernik 20 and NGC 1857 were analyzed using two different clustering algorithms. We present the maiden use of density-based spatial clustering of applications with noise (DBSCAN) to determine open cluster morphology from spatial distribution. The region of analysis has also been spatially classified using a statistical membership...

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MYCOBACTERIUM AVIUM SUBSPECIES PARATUBERCULOSIS (12)
FLASH MEMORIES (10)
JOHNE'S DISEASE (9)
MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS (7)
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PT (5)
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NAND CIRCUITS (4)
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PLATINUM (4)
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ALGORITHM DESIGN AND ANALYSIS (3)
BLAST VIBRATION (3)
CROHN'S DISEASE (3)
ELEMENTAL SEMICONDUCTORS (3)
GOATS (3)
HAFNIUM COMPOUNDS (3)
IMPEDANCE SPECTROSCOPY (3)
IS 1311 PCR–REA (3)
IS1311 PCR-REA (3)
LUMINESCENCE (3)
METALS (3)
MINORITY CARRIER LIFETIME (3)
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STRESS RATIO (3)
STRUCTURAL INTEGRITY (3)
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ANNEALING (2)
ANTIREFLECTION COATING (2)
ANTIREFLECTION COATINGS (2)
ATMOSPHERIC AEROSOL (2)
AU (2)
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BULK MODULUS (2)
CATTLE (2)
CHARGE TRAP FLASH (2)
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CRACK GROWTH (2)
CRYSTALLIZATION (2)
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ELISA (2)
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INTEGRATED MEMORY CIRCUITS (2)
IS 900 PCR (2)
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LA MALADIE DE JOHNE (2)
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MILK (2)
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MMICS (2)
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NOISE FIGURE 3.5 DB TO 4.5 DB (2)
OPEN-PIT BLASTING (2)
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PARTICLE SWARM OPTIMIZATION (2)
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Comparative Immunology, Microbiology and Infectious Diseases (6)
International Journal of Pressure Vessels and Piping (5)
International Journal of Rock Mechanics and Mining Sciences (5)
British Journal of Anaesthesia (4)
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Journal of Cystic Fibrosis (4)
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INFONA - science communication portal

Search results for: P.K. Singh

Experimental investigation on microstructure, mechanical and machining properties of Al‐4032/granite marble powder (GMP) composite produced through stir casting

A new host record for Candidatus Phytoplasma cynodontis (16Sr XIV‐A) associated with phyllody and fasciation of linseed (Linum usitatissimum) from India

Measuring quality of antenatal care: a secondary analysis of national survey data from India

Ball impact induced elastico-mechanoluminescence for impact sensor

Ambient black carbon particulate matter in the coal region of Dhanbad, India

Blast induced rock mass damage around tunnels

A morphometric study of predictors for sexual dimorphism of cervical part of vertebral column in human foetuses

Source region and sector contributions of atmospheric soot particle in a coalfield region of Dhanbad, eastern part of India

Single centre experience of post myocardial infarction ventricular septal rupture-device closure

Development of Wnt/Notch Activators as Mitigators of Acute Radiation Gastrointestinal Syndrome

Differential phytotoxic responses of silver nitrate (AgNO₃) and silver nanoparticle (AgNps) in Cucumis sativus L.

Atomic layer deposited dielectric and/or semiconducting oxide bilayers for crystalline silicon surface passivation

Microstructure-dependent fracture toughness (JIC) variations in dissimilar pipe welds for pressure vessel system of nuclear plants

Influence of graded compositions and carbon diffusivities in buttering on structural integrity of dissimilar metal welds

74 Ivacaftor treatment activates circulating neutrophils in R117H patients: potential for a CFTR independent mechanism

WS03.5 Invasive sampling that bypasses the oropharynx provides insights into the lung microbiota of children with CF and mild lung disease

47 Effects of lumacaftor/ivacaftor in patients homozygous for F508del mutation with very advanced lung disease

Effect of dissolved oxygen and temperature on fatigue crack growth rate behaviour of SA312 Type 304L(N) material in water environment

Surgical outcome of microsurgical excision of brain and spinal cord cavernomas: Our 13 year single center experience

Morphology of open clusters NGC 1857 and Czernik 20 using clustering algorithms

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