In multicast communication, a single source transmits the same content to a large amount of receivers. This kind of communication is usually represented following a tree model where the root of the tree is the multicast source and the leaves are the receivers. Scalability problems arise when the root needs to collect data (sensor information, metering data, etc.) from the leaves. This results i...

1. Accumulation of organic material by the zebra mussel Dreissena polymorpha is assumed to be the source of a biodeposition-based food web. However, only little is known about the importance of the biodeposited material as a food source and its contribution to increased abundances of macroinvertebrates in the presence of D. polymorpha. 2. Feeding, assimilation and growth of the amphipods Gammar...

Caesalpinia sappan L. is a popular medicinal plant known to both the Ayurveda and Chinese traditional medicines since ancient time. The aim of this research was to study the qualitative phytochemistry and to determine the antioxidant and anthelmintic activities of C. sappan leaves. Phytochemical analysis indicated the presence of various plant bioactive metabolites in C. sappan leaves. Differen...

the effluents of tannery industries are the major source of chromium contamination in thegroundwater. in most of the sub-urban areas ground water is the major source of drinking water. for humanbeing long term exposure to chromium is detrimental. the main objective of this study is to assess thegroundwater contamination and to adopt appropriate methods and to develop suitable techniques either ...