Urban rail crew scheduling problem is to allocate train services to crews based on a given train timetable while satisfying all the operational and contractual requirements.In this paper, we present a new mathematical programming model with the aim of minimizing both the related costs of crew duty and the 3 piece horse wall art variance of duty tim

Nucleocytoplasmic transport is mediated roneverhart.com by nuclear pore complexes (NPCs) embedded in the nuclear envelope.About 30 different proteins (nucleoporins, nups) arrange around a central eightfold rotational axis to build the modular NPC.Nup188 and Nup192 are related and evolutionary conserved, large nucleoporins that are part of the NPC s

This 3 piece horse wall art paper presents a ultrasonic-capacitive system for online analysis of the quality of fuel oils (FO), which are widely used to produce electric energy in Thermal Power Plants (TPP) due to their elevated heating value.The heating value, in turn, is linked to the quality of the fuel (i.e., the density and the amount of conta

With the increasingly close relations between cities in China, it is of great significance to explore the regular characteristics of the intercity connection.Through Tencent’s population migration heat and Baidu map big data, this paper analyzes the regular characteristics of the relations between complex cities 3 piece horse wall art based on su