The investigation processes and results of the electric locomotive steps fracture were presented.A locomotive suffered from Soaps serious vibration problem was chosen for the test and its normal operations were kept during the test.The wheel out-of-roundness (OOR) and vibrations of key components including the step, the axle box, and the bogie fram
Abstract Background Lignocellulosic biomass is recognized as a promising renewable feedstock for the production of biofuels.However, current methods for converting biomass into fermentable sugars are considered too expensive and inefficient due to the recalcitrance of the secondary cell wall.Biomass composition can be modified to create varieties t
Extracorporeal membrane oxygenation (ECMO) is increasingly being employed in South African intensive care units for the management of patients with refractory hypoxaemia and for haemodynamic support, particularly following cardiothoracic Course a pied - Femme - Chaussures - Stabilite procedures.ECMO is expensive, however, and there is a danger that
A ring signature is an anonymous signature that implements both the authentication of the message and the anonymity of the signer.In a “normal” ring signature scheme, the same signer can generate multiple ring signatures, but the verifier cannot find this fact.Linkable ring signature (LRS) solves the problem.In the setting, the identi