To establish a facile and feasible method to evaluate and control the quality of Jatropha curcus L. seed oil for biodiesel feedstock, Gas chromatographic (GC) fingerprint technology was introduced and employed. Initially, the chromatograms of the 13 oil samples from various plantation zones in...

This study examines the role of cultural values and political ideologies in the development of materialism, and the impact of materialism on subjective well-being, in the Chinese context. A survey was conducted of 487 persons in two cities in China and the results analyzed using structural...

Standard approaches to semiparametric modelling of two-sample survival data are not appropriate when the two survival curves cross. We introduce a two-sample model that accommodates crossing survival curves. The two scalar parameters of the model have the interpretations of being the short-term...

During the time of increased work reorganization, I investigate the components of bureaucratic and high performance work systems and the sources of variation in an organization's adoption of bureaucratic and high performance practices. Findings from the 1996 National Organizations Survey suggest...

We propose an interaction tree (IT) procedure to optimize the subgroup analysis in comparative studies that involve censored survival times. The proposed method recursively partitions the data into two subsets that show the greatest interaction with the treatment, which results in a number of...