CONCEPTUAL DESIGN OF A GAUGE-CHANGEABLE LOCOMOTIVE BOGIE STRUCTURE

Conceptual design of a gauge-changeable locomotive bogie structure

To facilitate through operation on railway lines with different gauges, this paper presents the design Bike Units - Fat Bikes of a gauge-changeable locomotive bogie along with wheelsets that are adaptable to gauge changes between 1 000 mm and 1 435 mm.Based on a wheel-locking mode that was selected after analyzing various locking and unlocking meth

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Prognostic and clinicopathological significance of pretreatment mean platelet volume in cancer: a meta-analysis

Objective Our study aimed to evaluate the prognostic and clinicopathological significance of pretreatment mean platelet volume (MPV) on cancer by using meta-analysis of published studies.Design Meta-analysis.Data sources Relevant studies available before 22 December 2019 were identified by searching MEDLINE, EMBASE.Eligibility criteria All publishe

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