A model of major ejection events in Galactic superluminal sources GRO J 1655-40 and GRS 1915-105 is proposed, in which episodes of e−e+ pair creation give rise to the formation of optically thick outflows accelerating protons to the limiting Lorentz factor of order 2-3. Probable source of e−e+ pairs is pion production in nucleon collisions. Subsequent deceleration of ejecta and formation of rad...

In promoting a "New Policy Agenda," bilateral and multilateral donor agencies are keen to finance nongovernmental organizations (NGOs) and grassroots organizations (GROs) on the grounds of their economic efficiency and contribution to "good governance." This paper reviews the impact of this trend on NGO/GRO programming, performance, legitimacy and accountability. It finds that much of the case ...

A progress report on our search for radio-quiet gamma-ray pulsars in the EGRET database is presented. The search technique utilizes signi cant computational resources of the Center for advanced Computing Research at Caltech to compute Gigapoint power spectra for some of the brighter, unidenti ed EGRET gamma-ray sources which, like Geminga, may not be visible at radio wavelengths. Two sources, G...

Gene Ontology (GO) has been developed to provide concepts for the functional annotation of biological entities. This development has already contributed to significant biomedical research results. Nonetheless, GO could have provided even stronger support to biomedical text mining, if it delivered domain-independent logical definitions of its concepts. We present a method that extracts the seman...

A rhenium-oxo complex such as methyltrioxorhenium (MTO) has been homogeneously immobilized on a Schiff base modified graphene oxide (GrO) support via covalent bonding. The loading of MTO on GrO nanosheets was monitored by FTIR, TG-DTA, and elemental analyses. The developed heterogeneous catalyst is found to be efficient for the oxidation of various amines to the corresponding N-oxides using hyd...

Semantic querying over the biomedical literature has gained popularity, where a semantic representation of biomedical documents is required. Previous BioNLP Shared Tasks exercised semantic event extraction with a small number of pre-defined event concepts. The GRO task of the BioNLP’13-ST imposes the challenge of dealing with over 100 GRO concepts. Its annotated corpus consists of 300 MEDLINE a...

Zusammenfassung Die sog elastische Registrierung hat sich zu einem wichtigen Zweig der medizinischen Bildanalyse entwickelt In diesem Bei trag wird ein weit verbreiteter Ansatz der interpolierende Thin Plate Splines verwendet hinsichtlich seiner Bez uge zur linearen Elastizit ats theorie untersucht die kleine Deformationen voraussetzt Es wird ein Kriterium vorgestellt das bei Bilddeformationen ...