ON RAILWAY STATISTICS. (INCLUDES PLATE).

Study on new crashworthy buffers in railway

At the collision time, a lot of energy is generated during a short period of time that causes large deformations in bodies. One of the most important parts of wagon in railway is a buffer which may absorb the energy during an impact. It should be mentioned that normal buffers only absorb the energy resulted from a crash elastically. In the present paper, it is tried to use inversion mode of ...

Includes bibliographies.

Detecting Plants on Railway Embankments

This paper investigates problems concerning vegetation along railways and proposes automatic means of detecting ground vegetation. Digital images of railway embankments have been acquired and used for the purpose. The current work mainly proposes two algorithms to be able to achieve automation. Initially a vegetation detection algorithm has been investigated for the purpose of detecting vegetat...

Innate immunity includes defensins

COMMENTARY We would like to comment on the comprehensive review of Karantanos and Gazouli in Annals of Gastroenterology [1] about genetics and innate immunity in inflammatory bowel disease (IBD). The authors appreciate the important role of innate immune sensing and the production of antimicrobial peptides in maintaining the integrity of the mucosal barrier. Pertinent studies on the subject are...

Neillia Includes Stephanandra (Rosaceae)

Recent phylogenetic analyses of tribe Neillieae in Rosaceae, which comprises Neillia, Physocarpus, and Stephanandra, based on both nuclear and chloroplast DNA sequences revealed that Neillia and Stephanandra together form a strongly supported monophyletic group and that species of Stephanandra are nested within Neillia. The close relationship between Neillia and Stephanandra is also supported b...