Browsing Year-2011 by Title

Now showing items 1-20 of 53

An approach for identifying gaps and overlaps in standards to determine product applicability

Witherell, P.; Sarkar, P.; Narayanan, A.; Lee, J.H.; Rachuri, S. (2019-05-08)

Standards and regulations have become an important part of today's society. Organizational and geographical dispersions often create situations where manufacturers are forced to meet various standards for a product to reach ...
An azo dye-coupled tripodal chromogenic sensor for cyanide

Lee, D.Y.; Singh, N.; Satyender, A.; Jang, D.O. (2016-05-12)

A tripodal receptor bearing phenol as a hydrogen bond donor site and azo dye as the signaling subunit was synthesized. The receptor had a high binding affinity for CN− as signaled by the change in the color of a solution ...
A benzthiazole-based tripodal chemosensor for Ba2+ recognition under biological conditions

Saluja, P.; Kaur, N.; Singh, N.; Jang, D.O. (2016-05-12)

We synthesized a benzthiazole-based chemosensor with mixed S,N donor sites. The binding units are incorporated in a highly flexible tripodal framework which facilitates the complexation of the binding of larger-sized metals. ...
Catalytic activity of dual metal cyanide complex in multi-component coupling reactions

Ravindran, A.; Srivastava, R. (2016-05-12)

Several dual metal cyanide catalysts were prepared from potassium ferrocyanide, metal chloride (where metal = Zn2+, Mn2+, Ni2+, Co2+, and Fe2+), t-butanol (complexing agent) and PEG-4000 (co-complexing agent). The catalysts ...
Characterization and high-temperature oxidation behavior of cold-sprayed Ni-20Cr and Ni-50Cr coatings on boiler steels

Bala, N.; Singh, H.; Prakash, S. (2021-09-02)

Microstructure and mechanical properties of cold-spray coatings are usually required in order to explore the potential industrial application of the latter. This article demonstrates the successful formulation of Ni-20Cr ...
Chemical effects during ripple formation with isobaric ion beams

Sarkar, S.; Franquet, A.; Moussa, A.; Vandervorst, W. (2016-11-28)

The formation of nanostructures on SiGe surfaces by erosion using mixed beams of isobaric species (Cs/Xe) is shown to depend on the Cs/Xe ratio. The nanostructures exhibit different wavelengths (longer wavelengths for ...
Chromogenic and fluorescent recognition of iodide with a benzimidazole-based tripodal receptor

Lee, D. Y.; Singh, N.; Kim, M. J.; Jang, D. O. (2021-09-02)

A novel 1,3,5-substituted triethylbenzene derivative with a 2-aminobenzimidazole moiety as a binding and signaling subunit was synthesized. The sensor was tested in a buffered CH3CN/H2O (99:1, v/v) solution and found to ...
Comparative high temperature analysis of HVOF-sprayed and detonation gun sprayed Ni-20Cr coating in laboratory and actual boiler environments

Kaushal, G.; Singh, H.; Prakash, S. (2021-09-02)

High-velocity-oxy-fuel (HVOF) spray and detonation-gun (D-gun) spray techniques were used to deposit Ni–20Cr coatings on a commonly used boiler steel ASTM-SAE 213-T22. The specimens, with and without coating, were subjected ...
Configural encoding in visual feature binding

Jaswal, S.; Logie, R. H. (2021-09-20)

The role of configural encoding in feature binding was assessed using the change detection paradigm. Experiment 1 studied the relevance of location in colour shape binding with study test intervals ranging from 0 to 4100 ...
Effect of superficially applied Y2O3 coating on high-temperature corrosion behavior of Ni-base superalloys

Goyal, G.; Singh, H.; Singh, S.; Prakash, S. (2016-11-28)

Inhibitors and oxide additives have been investigated with varying success to control high-temperature corrosion. Effect of Y2O3 on high-temperature corrosion of Superni 718 and Superni 601 superalloys was investigated ...
Eigenfunction expansion method for water wave scattering by small undulation

Martha, S. C.; Bora, S. N.; Chakrabarti, A. (2021-09-16)

The problem involving the scattering of surface water waves by small undulation of a sea-bed has been solved completely, by utilizing the eigenfunction expansion method leading to the mathematical problem of solving ov ...
Emergency response with proactive Crowd-Sourcing reverse-111

Vaidyanathan, A. (2021-09-20)

In this paper, we demonstrate the use of Reverse-111, a proactive crowd sourcing system which takes into account the fact that several users might be co-located with an emergency and can be contacted by an Emergency Response ...
Enhancing optical efficiency of a linear parabolic solar collector through nanofluids

Khullar, V.; Tyagi, H. (2021-09-16)

This paper explores different types of nanofluids (namely aluminium nanoparticles dispersed in water, ethylene glycol, propylene glycol and therminol VP-1) for their suitability as working fluid in direct absorption ...
A fan-beam radiator using waveguide's narrow wall for horizontal polarization and high power

Devarapalli, N.R.; Baum, C.E.; Christodoulou, C.G.; Schamiloglu, E. (2016-11-28)

A configuration for a narrow-band rugged highpower antenna with a horizontally polarized fan-beam radiation pattern is proposed. This antenna is a longitudinal aperture array in the narrow wall of an air-filled rectangular ...
Fine tuning of a solvatochromic fluorophore for selective determination of Fe3+: a new type of benzimidazole-based anthracene-coupled receptor

Lee, D.Y.; Singh, N.; Jang, D.O. (2016-05-13)

We synthesized a novel benzimidazole-based, anthracene-coupled fluorescent receptor capable of recognizing and estimating the concentrations of Fe3+ in semi-aqueous solution by ratiometric estimation. Our sensor can be ...
Flank wear and machining performance of cryogenically treated tungsten carbide inserts

Gill, S. S.; Singh, H.; Singh, R.; Singh, J. (2021-09-02)

Cryogenic treatment has been accredited as a means of enhancing the cutting life of tungsten carbide turning inserts. Most of the research conducted till date has been limited to evaluate the percentage improvement in ...
High temperature corrosion behaviour of HVOF-sprayed Ni-20Cr coating on boiler steel in molten salt environment at 900°C

Kaushal, G.; Singh, H.; Prakash, S. (2021-09-15)

Ni-20Cr coating was deposited on a commonly used boiler steel ASTM A213 347H by high-velocity oxy-fuel (HVOF) thermal spray process to enhance its high-temperature corrosion resistance. High temperature corrosion behaviour ...
High-temperature erosion-corrosion performance of high-velocity oxy-fuel sprayed Ni-20 Cr coating in actual boiler environment

Kaushal, G.; Singh, H.; Prakash, S. (2016-11-28)

The high-velocity oxy-fuel (HVOF) spray technique was used to deposit Ni-20Cr coating on a commonly used boiler steel ASTM A213 347H. The specimens with and without coating were exposed to the super heater zone of a thermal ...
Influence of superheat on microstructure and mechanical properties of ductile Cu 47.5Zr 47.5Al 5 bulk metallic glass-matrix composite

Antonysamy, A. A.; Pauly, S.; Dhindaw, B. K.; Eckert, J. (2021-09-02)

Generally bulk metallic glasses (BMGs) posses very less ductility and toughness at room temperature. Over the recent past years to improve up on these properties in many alloy system BMG composites have been developed. ...
Investigation on wear behaviour of cryogenically treated TiAlN coated tungsten carbide inserts in turning

Gill, S.S.; Singh, J.; Singh, H.; Singh, R. (2016-05-13)

Cryogenic treatment has been ascribed as a way of improving the cutting life of tungsten carbide turning inserts. Most of the research conducted till date has not reported any effort to excavate the effect of cryogenic ...

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