Abstract: The paper proposes a method of parsing for relational algebra expressions, which is based on the use of reverse Polish notation (postfix notation). The operation algorithm of the shunting ...

ABSTRACT: Shunting operation is the core link of railway station transportation organization, whose efficiency directly determines the turnover speed of trains, the utilization rate of station ...

ABSTRACT: Shunting operation is the core link of railway station transportation organization, whose efficiency directly determines the turnover speed of trains, the utilization rate of station ...

The Election Commission has ordered the appointment of Dushyant Nariala as the new chief secretary of West Bengal, which goes to assembly polls in two phases next month. Till now, Nandini Chakravarty ...

On 19 September, Alstom announced that it had completed the world’s first journey with a shunting locomotive that had been converted from diesel to hydrogen drive. The journey took place in Salzgitter ...

Alstom has completed the first-ever conversion of a diesel shunting locomotive to hydrogen propulsion. The company presented the retrofitted locomotive at its Salzgitter site, where it also carried ...

Do you remember the early days of social media? The promise of connection, of democratic empowerment, of barriers crumbling and gates opening? In those heady days, the co-founder of Twitter said that ...

Inter-atrial shunt device therapy has shown mixed results in clinical trials, with clinical ‘non-responders’ typically showing features of more advanced heart failure. We aimed to analyse the ...

Innovative Rail Technologies (IRT), an American Corporation headquartered in Florida, is a rail solutions provider offering its proprietary retrofit electrification technology to convert diesel ...

Abstract: Controlling active/reactive power in distribution systems has a great impact on its performance. The placement of distributed generators (DGs) and shunt capacitors (SCs) are the most popular ...