P.sub.2][O.sub.5]/[H.sub.3]P[O.sub.4] (PPA) was found to be an efficient new reagent for probing the mechanism of acylation reactions and Fries rearrangement of acyloxy benzene derivatives and also the direct acylation reactions of phenol derivatives with Carboxylic acids. The reactions proceeded smoothly in the presence of PPA and are highly selective for the preparation of the ortho isomers o...

The Truffles file system supports file sharing between arbitrary users at arbitrary sites connected by a network. Truffles is an interesting example of a service of the future that will automatically allow users to collaborate with other users anywhere in the world in ways not currently possible. These services, and Truffles in particular, have the potential of greatly increasing the workload o...

“In his presidential address, given at the 21stAndhra Pradesh TB and Chest diseases Conference held in July 1994 in India, Dr. Ranga Rao proposed a critical self-evaluation of the state TB control programme, which started more than three decades ago...This physician, who has been working as a TB officer for more than 25 years, identified 17 major weaknesses of the TB control programme (...) wha...

public interests justify the existence of public administration and public administrator must obligate it in any policies and decisions. reduction of public trust and organizational trust in recent years and necessity of power distribution and empowerment in democratization trend, intensify the emergence of servant leadership. denhart´s idea of new public service in recent decades, increases th...

Dear Editor in chief Each year, Iranian university authorities, as a good tradition on Teacher’s Day, choose and introduce their top educators to their academic community. Undoubtedly, this effort is a good action, generally leading to effective promotion of the educational system. However, the criteria for these selections are always a matter of big debate. In overview, an academic excellent...

42  Abstract— This is the world of information. The ever-growing field Information Technology has its many advanced notable features which made it what it was now today. In this world, the information has to be processed, clearly distributed and must be efficiently reachable to the end users intended for that. Otherwise we know it lead to disastrous situations. The other coin of the same phase...

The Service Location Protocol provides a scalable framework for the discovery and selection of network services. Using this protocol, computers using the Internet no longer need so much static configuration of network services for network based applications. This is especially important as computers become more portable, and users less tolerant or able to fulfill the demands of network system a...