A railroad train marshaling system or marshaling method is disclosed. The railroad train includes cars within platform area which are made up of several cars; door-free cars which are connected with the cars within platform area at both ends or one end and made up of at least one car with no side door for passengers to get on and off the train. When the railroad train stops at the platform, the cars within platform area are arranged to stop within the area of platform or corresponding to the platform, the door-free car is arranged to stop beyond platform area and passengers in the door-free car will get to the platform directly from the car within platform area. The sum of length of door-free car and cars within platform area is more than that of the platform.

A wire supporting structure supporting an electric wire extending between a bogie and a carbody in a railcar includes: a support supported by the carbody and including a fitted portion; a carbody-side coupling device supported by the carbody; an electric wire connected to an electrical apparatus of the bogie; an electric wire-side coupling device provided at a tip end of the electric wire and connected to the carbody-side coupling device; and a bracket connected to a part of the electric wire, the part being located close to the electric wire-side coupling device, the bracket including a fitting portion fitted to the fitted portion of the support, the bracket being supported by the support with the fitting portion fitted in the fitted portion.

An acoustic attenuation panel including: a main layer made of a porous material and having two opposite faces; a coating layer arranged on one of the two faces of the main layer; an adhesive film, arranged at the interface between the main layer and the coating layer to assemble same. The main layer is a body made of melamine resin foam having a density between 6 and 6.8 kg/m.sup.3 and a porosity rate between 0.978 and 0.984; the coating layer is a fabric with a density between 484 and 526 kg/m.sup.3 and a porosity rate between 0.771 and 0.817; the adhesive film is a film made of a thermoplastic material provided with holes passing through and having a surface density between 40 g/m.sup.2 and 56 g/m.sup.2.

A vessel for transporting a material that is solid or semi-solid at ambient temperature, includes a body having an interior surface comprising textured metal, and a superoleophobic coating on the interior surface for inhibiting the material from adhering to the interior surface, the superoleophobic coating including a nanotextured coating disposed on the textured metal and functionalized with a fluorinated compound. The superoleophobic coating facilitates flow of the material along the interior surface.

A vessel for transporting a material that is solid or semi-solid at ambient temperature, includes a body having an interior surface comprising textured metal, and a superoleophobic coating on the interior surface for inhibiting the material from adhering to the interior surface, the superoleophobic coating including a nanotextured coating disposed on the textured metal and functionalized with a fluorinated compound. The superoleophobic coating facilitates flow of the material along the interior surface.

A railroad well car includes a spaced trucks grouped in pairs, and a railcar body supported on a pair of the trucks, the body comprising a pair of spaced end structures, each end structure supported on one truck, and a well structure extending between the end structures. The well structure comprises a pair of top chord members extending between the end structures; a pair of side sills extending between the end structures; a pair of end chords extending between the side sills; four corner container support members, each secured to one end chord and one side sill; a plurality of floor beams extending between the side sills forming at least a portion of a floor for the well structure; and a plurality of side truss members extending between one side sill and one top chord on each side forming an open truss side for the well structure.

A railroad well car includes a spaced trucks grouped in pairs, and a railcar body supported on a pair of the trucks, the body comprising a pair of spaced end structures, each end structure supported on one truck, and a well structure extending between the end structures. The well structure comprises a pair of top chord members extending between the end structures; a pair of side sills extending between the end structures; a pair of end chords extending between the side sills; four corner container support members, each secured to one end chord and one side sill; a plurality of floor beams extending between the side sills forming at least a portion of a floor for the well structure; and a plurality of side truss members extending between one side sill and one top chord on each side forming an open truss side for the well structure.

Some embodiments of the present disclosure provide a side wall component of a railway vehicle, and a railway vehicle. The side wall component of a railway vehicle includes: a side wall, including a side wall body; and a plurality of side wall upright columns, connected with the side wall body respectively, the plurality of side wall upright columns being provided along a length direction of the side wall body at an interval, wherein an auxiliary air duct of a railway vehicle is formed between at least two of the plurality of side wall upright columns and the side wall body in the length direction of the side wall body. According to some embodiments of the present disclosure, an auxiliary air duct of a railway vehicle is directly formed on a side wall, so that the railway vehicle is compact in structure.

Some embodiments of the present disclosure provide a side wall component of a railway vehicle, and a railway vehicle. The side wall component of a railway vehicle includes: a side wall, including a side wall body; and a plurality of side wall upright columns, connected with the side wall body respectively, the plurality of side wall upright columns being provided along a length direction of the side wall body at an interval, wherein an auxiliary air duct of a railway vehicle is formed between at least two of the plurality of side wall upright columns and the side wall body in the length direction of the side wall body. According to some embodiments of the present disclosure, an auxiliary air duct of a railway vehicle is directly formed on a side wall, so that the railway vehicle is compact in structure.

A sealing gasket for producing sealing between a body of a railway vehicle (10) and an air conditioning unit (30) topping said body, may include a lower gasket part (60) provided with a receiving slot (62) suitable for receiving a rib of the body and an upper gasket part (70) opposite the lower gasket part in a main direction (Y1), and suitable for sealably bearing against the air conditioning unit (30). According to the invention, the hardness of the lower gasket part (60) may be greater than that of the upper gasket part (70).