29 Result(s)

Article

Synthesis and ion-exchange properties of zirconium antimonate

Samples of zirconium antimonate have been prepared under varying conditions of precipitation. Their properties, composition, and ion-exchange behaviour are reported. The 1g K_d vs. pH curves are given for Rb⁺, Cs⁺

J. Mathew, S. N. Tandon in Journal of Radioanalytical Chemistry (1975)

Article

Chromium antimonate as an ion-exchanger

Chromium antimonate has been synthesised under varying conditions of precipitation and the cation-exchange properties of the various samples are reported. Systematic study has resulted in a product suitable fo...

J. Mathew, S. N. Tandon in Chromatographia (1976)

Article

Rapid separation of alkali metal ions on zirconium antimonate paper

The behaviour of the alkali metal ions on paper impregnated with zirconium antimonate is described. Examples of separations of binary and ternary mixtures are given.

J. Mathew, Rajeev, S. N. Tandon in Chromatographia (1977)

Article

Structural studies on some antimonate exchangers

An attempt has been made to assign empirical formulae and possible ion exchange site for the antimonates of Zr(IV), Sn(IV) and Cr(III). On the basis of analytical data, exchange capacity, infra-red and thermoa...

J. Mathew, S. N. Tandon, J. S. Gill in Journal of Radioanalytical Chemistry (1979)

Article

On spectra of unitary groups arising from cocycles

J. Mathew, M. G. Nadkarni in Arkiv för Matematik (1981)

Article

Occurrence of vesicular-arbuscular mycorrhizae with Amaranthaceae in soils of the Indian semi-arid region

Some members of the family Amaranthaceae, which has mostly been reported as non-mycorrhizal, were examined for a symbiotic association with mycorrhizae in the semiarid and arid zones. Ten species belonging to ...

Neeraj, A. Shanker, J. Mathew, A. Varma in Biology and Fertility of Soils (1991)

Article

Mechanism of instability of Falkner-Skan flows

It is shown that the mechanism of linear instability of boundary-layer flows driven by favorable and adverse pressure gradients can be understood as a kinematic resonant interaction between inviscid and viscou...

M. Malik, J. Mathew, J. Dey in Acta Mechanica (2003)

Article

Snaring of submucosal tumors of gastric fundus

Submucosal tumors of the stomach are not uncommon. We present two cases of iatrogenic perforation after snaring large polyps in the gastric fundus. We discuss the probable etiology and review the literature re...

J. Mathew, A. P. Saklani… in Surgical Endoscopy And Other Interventiona… (2003)

Article

Appendicular intussusception into a polyp

Intussusception of the appendix is a rare condition. We present the case of a 72–year–old woman with multiple polyps in the colon with an appendix completely intussuscepted into a polyp within the caecum. The ...

J. Mathew, I. M. Aldean, F. A. Ghafar, N. Y. Haboubi in Techniques in Coloproctology (2004)

Chapter and Conference Paper

The Interactive Hazards of Components in a System After Repairs — A Mathematical Formulation Authors

This paper develops analytical expressions that enable analysis of the changes of component hazards of systems with interactive failures after repairs. These changes were analysed using probability theory base...

Y Sun, L Ma, J Mathew in Engineering Asset Management (2006)

Chapter and Conference Paper

Blind Deconvolution using the Eigenvector Algorithm (EVA) Method for the Enhancement of Bearing Signal Through the Transmission Channel

Detection of an incipient internal defect from a measurement point on the surface of a machine is often made difficult due to the corruption of the source signal by background noise usually through the transmi...

Andy C C Tan, M Karimi, J Mathew in Engineering Asset Management (2006)

Chapter and Conference Paper

Asset Renewal Decision Modelling for Public Infrastructure Assets

This paper develops a new approach to stochastic mO’Delling of asset renewal timing decisions uing net present value derived from attributable revenue and total cost of ownership. This renewal decision model p...

S G Pudney, Y. Sun, L. Ma, J. Mathew, M. Mueller in Engineering Asset Management (2006)

Article

Successive chemical solution deposition of ZnO films on flexible steel substrate: structure, photoluminescence and optical transitions

Zinc oxide is an attractive optoelectronic material with wide applications. Thin ZnO films were prepared on steel foil by successive chemical solution deposition (SCSD). The film structure, room-temperature ph...

A.E. Rakhshani, J. Kokaj, J. Mathew, B. Peradeep in Applied Physics A (2007)

Article

Wegener’s granulomatosis—a rare presentation

Wegener’s granulomatosis (WG) is a necrotizing granulomatous vasculitis involving the nose, paranasal sinuses, lungs, and kidneys. There are two types of WG—systemic, which is characterized by focal segmental ...

D. Danda, A. J. Mathew, J. Mathew in Clinical Rheumatology (2008)

Article

Primary endocrine therapy in locally advanced breast cancers—the Nottingham experience

Introduction There are trials comparing different neoadjuvant chemotherapy regimens for locally advanced primary breast cancer (LAPC). Few studies have evaluated alternative therapeutic a...

J. Mathew, A. Agrawal, K. S. Asgeirsson… in Breast Cancer Research and Treatment (2009)

Article

Pseudo-Parallel Datapath Structure for Power Optimal Implementation of 128-pt FFT/IFFT for WPAN

An optimal implementation of 128-Pt FFT/IFFT for low power IEEE 802.15.3a WPAN using pseudo-parallel datapath structure is presented, where the 128-Pt FFT is devolved into 8-Pt and 16-Pt FFTs and then once aga...

J. Mathew, K. Maharatna, B. R. Jose, H. Rahaman… in Circuits, Systems, and Signal Processing (2011)

Article

Approach to a Child with Lower Airway Obstruction and Bronchiolitis

Lower airway obstruction can occur at the level of trachea, bronchi or bronchioles. It is characterized clinically by wheeze and hyperinflated chest, apart from other signs of respiratory distress. Common caus...

Sudhanshu Grover, J. Mathew, Arun Bansal… in The Indian Journal of Pediatrics (2011)

Article

Linewidth oscillations in the 5d_3/2nd autoionizing series of barium

The first autoionization region of barium was studied using a single-color two-photon excitation scheme. The resonance energies and linewidths of barium 5d_3/2nd ¹D_{0, 2} series members were obtained by fitting each...

K. Afrousheh, Y. Makdisi, J. Kokaj, J. Mathew… in The European Physical Journal Plus (2013)

Chapter and Conference Paper

Estimating the Loading Condition of a Diesel Engine Using Instantaneous Angular Speed Analysis

Continuous monitoring of diesel engine performance is critical for early detection of fault developments in the engine before they materialize and become a functional failure. Instantaneous crank angular speed...

T. R. Lin, A. C. C. Tan, L. Ma, J. Mathew in Engineering Asset Management 2011 (2014)