Results 21 to 30 of about 544,512 (300)
Accounting of energy consumption of passenger electric locomotives in locomotive operational depots
Energy efficiency of transportation process is constantly in the center of attention of specialists and managers of Russian Railways. Some of the new electric locomotives purchased under the investment project have shown unsatisfactory results on ...
E. V. Aulov +3 more
doaj +1 more source
A target function has been developed for solving the problem of increasing the carrying capacity of loaded lines by organizing the motion of connected (double) trains on an ongoing basis, providing for the minimization of investment and operating costs ...
M. I. Mekhedov +4 more
doaj +1 more source
Dynamic effect on turnouts of cars having wheelsets with thin flanges
Geometrical parameters of the “wheelset—rail track” system are mutually related. Currently, a very topical issue is the question of a possible adjustment of the regulatory framework in the “wheelset—rail track” system in order to take into account the ...
B. E. Glyuzberg +5 more
doaj +1 more source
The key directions of intensification of the transportation process are described and their influence on the infrastructure is indicated. The concept of long irregularities of the longitudinal profile is defined and a method is proposed that allows one ...
V. O. Pevzner +4 more
doaj +1 more source
Determination of spacecraft antenna directivity pattern with the use of an Earth-based station
The problem of defining characteristics of the spacecraft antenna directivity pattern is considered in the paper. The solution of the problem will make it possible to estimate changes of antenna parameters with time.
O. V. Vasyutkina +4 more
doaj +1 more source
The paper deals with the questions of introducing the additive technology of selective laser melting (SLM) into the production of the main structural elements of a combustion chamber for ground-based gas pumping, power and transport gas turbines.
Yu. S. Yeliseev +6 more
doaj +1 more source
In view of gradual changes in the conditions of This article presents the main results of the analytical work maintenance, extensiveness and intensity of the use of freight cars aimed at determining the possibility of increasing the period of opof the ...
S. V. Petrov +4 more
doaj +1 more source
Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba +5 more
wiley +1 more source
Experience in developing a multicomponent reservoir with a thin oil rim [PDF]
This article examines the effectiveness of the implemented development systems at the South Kemachi oil and gas condensate field. As a result of the analysis and assessment of the effectiveness of the implemented development systems in the field, it was ...
Nazarov Ulugbek +2 more
doaj +1 more source
An in vitro testicular model is developed by generating connective tissue equivalents from human dermal fibroblast‐derived microtissues and coupling them with human Sertoli cells or human Sertoli cell spheroids. This engineered microenvironment supports Sertoli cell maturation and functionality, providing a promising platform for studying human ...
Annachiara Scalzone +4 more
wiley +1 more source

