Acetyl esterase was produced by a bacterial strain RB3 at a level of 0.59 U mL−1. The strain was isolated from beef cattle rumen fluid under anaerobic condition, and was identified as Escherichia coli. The peak activity of the enzyme appeared after 48 h of culturing under anaerobic...

Studying a stream of migration from Jharkhand to western Uttar Pradesh (UP), this article focuses on the work and life experiences of migrant labour from tribal India. Based on an in-depth study of a Jharkhand village, alongside a briefer stint at the destination village in UP, it examines the...

In this paper, we consider the problem of estimating the number of components of a superimposed nonlinear sinusoids model of a signal in the presence of additive noise. We propose and provide a detailed empirical comparison of robust methods for estimation of the number of components. The...

Based on case studies of five NGO training interventions for informal economy workers.

Forecasting currency exchange rates is an important financial problem that has received much attention especially because of its intrinsic difficulty and practical applications. The statistical distribution of foreign exchange rates and their linear unpredictability are recurrent themes in the...