Results 81 to 90 of about 285,209 (280)
Simulated Time for Testing Railway Interlockings with TTCN-3 [PDF]
, 2006 Abstract. Railway control systems are timed and safety-critical. Testing these systems is a key issue. Prior to system testing, the software of a railway control system is tested separately from the hardware. Here we show that real time and scaled time semantics are inefficient for testing this software.
Blom, S.C.C. +4 more
openaire +2 more sources
Between and Beyond: Negotiating Belonging Within Queer Borderlands
Nations and Nationalism, EarlyView.ABSTRACT Belonging is an affective, social and biopolitical phenomenon which is relationally negotiated and which produces material and symbolic ‘borders’. Subsequently, the politics of belonging refers to the construction, maintenance and policing of the borders of belonging.
Meg Poff
wiley +1 more source
Transactions of the Institute of British Geographers, EarlyView.ABSTRACT AI assistants on spacecrafts. Netflix streamed through inter‐planetary communication networks. Colonies on Mars by 2050. While the glamorous public–private ventures into outer space curate discussions on the technical specificities of these proposed projects, this paper reorients discussions on such developments through critical frameworks of ...
Yung Au
wiley +1 more source
Evaluation of planning policies for marshalling track allocation using simulation [PDF]
, 2012 Planning the operational procedures in a railway marshalling yard is a complex problem. When a train arrives at a marshalling yard, it is uncoupled on an arrival yard and then its cars are rolled to a classification yard.
Bohlin, Markus +2 more
core +1 more source
Pollack Periodica, 2019 The use of formal modeling has seen an increasing interest in the development of safety-critical, embedded microcomputer-controlled railway interlocking systems, due to its ability to spec...
G. Lukács, Tamás Bartha
semanticscholar +1 more source
“You Are Safe Now”: Migrant Youth Constructions of Safety and Schooling in the U.S.
Anthropology &Education Quarterly, Volume 57, Issue 1, March 2026.ABSTRACT Drawing on multisited ethnographic research with migrant families from Brazil, El Salvador, Guatemala, and Honduras who were detained, separated, or endured prolonged transit due to US immigration policies, we articulate how ideas of “relational safety” are situated in relationships with people, place, and time. Contrasting abundant literature
Michelle J. Bellino, Gabrielle Oliveira
wiley +1 more source
Closed Interlocking Tibial Nailing without using an Image Intensifier
Journal of Islamic International Medical College, 2011 Introduction: Internal fixation with interlocking nails is commonly performed using an image intensifier which is expensive and is not readily available in most resource-poor countries of the world.
Sohail Iqbal Sheikh, Muhammadullah, Arab Khan, Javed Iqbal
doaj
The Changing Nature of Sino-Foreign Business Relationships, 1842-1941 [PDF]
, 2000 During the second half of the nineteenth century, foreign business enterprises relied considerably upon the service of compradors to extend their economic interests in the Chinese economy.
Chan, Kai Yiu, Cox, Howard
core +2 more sources
Devouring the Invaders: The Racial‐Ecological Politics of the Chinese Crayfish Trade in Kenya
American Anthropologist, Volume 128, Issue 1, Page 183-194, March 2026.ABSTRACT This article examines entanglements of ecology, race, and foodways at Lake Naivasha in Kenya. Nonnative Louisiana red swamp crayfish (Procambarus clarkii), first introduced to Kenya in the 1960s, were once viewed as invasive but are now sought after as a delicacy among Kenya's Chinese community.
Amanda Kaminsky
wiley +1 more source
Journal of Materials Research and TechnologyThe performance of railway ballast strongly depends on the mineralogical and morphological characteristics of the aggregates. However, little is known about the behavior of regional rocks in Rio de Janeiro, Brazil, under manipulation caused by railway ...
Jheyce de Souza Moreira Oliveira +6 more
doaj +1 more source