1,358,173 research outputs found
Kremsthal-Bahn
No full textKREMSTHAL-BAHN
Kremsthal-Bahn ( - )
Title page ([1])
Einleitung ([3])
a. Das Kremsthal. ([3])
b. Geschichte der Kremsthal-Bahn. (6)
c. Das Wesen der Kremsthal-Bahn. (15)
Fahrt auf der Kremsthal-Bahn. (17)
Zwischen Linz und Kremsmünster. (17)
Station Traun (18)
Station Nettingsdorf (19)
Station Neuhofen. (20)
Station Kematen (22)
Schloss Achleiten, (24)
Station Rohr (25)
Station Kremsmünster (26)
Kloster Kremsmünster. (27)
Der Markt Kremsmünster. (39)
Die nächste Umgebung von Kremsmünster. (40)
Inhalt. ([45])
Cover ( -
Evaluation of economic efficiency of rail operation through simulation
No full textAn increasing traffic demand and competition between the traffic modes force the railway operators to improve their economical results. This can be achieved primarily by reducing costs and by keeping a high standard in service and quality whereby an increase of attractiveness for potential customers can be realised. Especially the Deutsche Bahn AG, while preparing itself for going public, demands for a higher relevance of the financial result.
Cost and Benefit are the two factors determining the economic efficiency of rail operations. For both the infrastructure managers and the train operator companies a possible pre-evaluation of imaginable investment scenarios is of high significance when trying to optimise their cost-benefit structure. Helpful hereby can be railway operation simulations which not only consider operative aspects but also economical ones. While there exists quite a bit of supporting software for simulating possible operation scenarios (e.g. RailSys®, OpenTrack®), it is yet not standard to reuse obtained simulation results for an economic evaluation of the considered scenarios. The Institute of Transportation Systems has therefore implemented a software link between the simulation software RailSys® and the in-house created Cost-Benefit Tool. With the latter the cost and revenue positions of the evaluated system and scenario can be calculated. The idea of a link between railway operation simulations and economic efficiency evaluations is discussed in the first part.
In the next step results of first simulations are presented and discussed. Basis for the first examinations is a pre-defined regional railway for which different equipment scenarios were implemented in RailSys®
Molecular characterization of the renal organic anion transporter 1
No full textOrganic anions of diverse chemical structures are secreted in renal proximal tubules. The first step in secretion, uptake of organic anions across the basolateral membrane of tubule cells, is mediated for the polyspecific organic anion transporter 1 (OAT1), which exchanges extracellular organic anions for intracellular alpha-ketoglutarate or glutarate. OAT1 orthologs cloned from various species show 12 putative transmembrane domains and possess several sites for potential posttranslational modification. The gene for the human OAT1 is located on chromosome 11q13.1 and is composed of 10 exons. Alternative splicing within exon 9 gives rise to four variants, two of which (OAT1-1 and OAT1-2) are functional. Following heterologous expression in Xenopus laevis oocytes, flounder renal OAT1 transported p-aminohippurate, glutarate, several diuretics, and the nephrotoxic agent ochratoxin A. Two cationic amino acid residues, lysine 394 and arginine 478, were found to be important for interaction with glutarate. Anionic neurotransmitter metabolites and the heavy-metal chelator, 2,3-dimercaptopropane sulfonate, interacted with the rabbit renal OAT1, which is expressed in kidneys and the retina
Molecular physiology of renal p-aminohippurate secretion
No full textRenal proximal tubules secrete various organic anions, including drugs and p-aminohippurate (PAH). Uptake of PAH from blood into tubule cells occurs by exchange with intracellular alpha -ketoglutarate and is mediated by the organic anion transporter 1. PAH exit into tubule lumen is species specific and may involve ATP-independent and -dependent transporters
Molecular physiology of renal p-aminohippurate secretion
No full textRenal proximal tubules secrete various organic anions, including drugs and p-aminohippurate (PAH). Uptake of PAH from blood into tubule cells occurs by exchange with intracellular alpha -ketoglutarate and is mediated by the organic anion transporter 1. PAH exit into tubule lumen is species specific and may involve ATP-independent and -dependent transporters
The interface shear anchorage of the U-Bahn weight-saving floor system
No full textThe U-Bahn floor system is an innovative weight-saving floor system that consists of a prefabricated floor and a structural screed. To connect these two layers, only lattice girders are applied. This means that all stresses in the complete floor system must be taken up by these lattice girders. The U-Bahn floor system is built without propping, a feature that speeds up the building process enormously. Therefore, all building phase depend on each other and together determine the capacity in the use phase. However, to correctly determine the capacity in the use phase, all stresses need to be determined per building phase. The capacity of the correctly anchored lattice girders must after all withstand these stresses. The aim of this research is to find out whether the lattice girders can resist the shear stresses of the U-Bahn floor system. The following research question has been drawn up: In which way does the design of the interface shear of the U-Bahn weight-saving floor system sufficiently anchorage the structural screed? To answer this question, extensive research was first conducted into the various building phases of the U-Bahn floor system. The stresses and forces for each phase individually were calculated. Subsequently, it is examined which type of lattice girder is usable in the U-Bahn floor system and how this type is incorporated in the floor. The stresses that these lattice girders must resist and transfer, have been calculated by means of two methods, an analytical calculation and finite element analysis calculation. As there is no product standard for the U-Bahn floor system yet, the calculations are based on the Eurocode and the floor plank standard. The results of the analytical calculation regarding the anchoring of the lattice girder showed the following : (i) the connection reinforcement, according to the floor plank standard, is sufficient, (ii) the shear force, according to the Eurocode, is not sufficient and, (iii) the detail requirements, as described in the Eurocode, have not been met. The results of the analytical calculation regarding the interface shear capacity of the total floor system shows that the resistance of the lattice girder in the U-Bahn floor system is lower than the acting stresses in the use phase, which results in a unity check of 1.40, which exceeds the maximum unity check of 1.0 as given in the Eurocode. To verify the analytical calculation and to determine to what extent the anchoring of the lattice is insufficient, the floor has been modelled in the finite element program, Diana. Due to the complexity of the program and the calculation, it has been decided to use a linear analysis for the calculation of the different phases of the U-Bahn floor system. Due to this, no result of the crack width and redistribution of the forces in the floor can be given. Nevertheless, the results do show that the concrete cannot take up the calculated stresses, which suggests that the floor will crack. Future research can further investigate the limits of the U-Bahn floor system by means of a non-linear calculation in a finite element analysis. In this non-linear calculation, the factors, deflections, creep and shrinkage must also be included, since this research has shown that these are co-determining factors for the interface shear capacity of the floor. These results will then have to be verified with destructive tests. Finally, if the results are confirmed, they can be converted into a rule-of-thumb, in order to facilitate tenders in the future.Civil Engineering | Structural Engineerin
CIPSEC (by Deutsche Bahn AG)
No full textPresentació de la participació de Deutsche Bahn AG dins el projecte CIPSEC : Enhancing Critical Infrastructures Protection with Innovative SECurity framework, a càrrec de Christian Schlehuber
CIPSEC (by Deutsche Bahn AG)
No full textPresentació de la participació de Deutsche Bahn AG dins el projecte CIPSEC : Enhancing Critical Infrastructures Protection with Innovative SECurity framework, a càrrec de Christian Schlehuber
Das Bahn-Projekt der Mühlkreis-Bahn in Oberösterreich. Anhang
No full textDAS BAHN-PROJEKT DER MÜHLKREIS-BAHN IN OBERÖSTERREICH. ANHANG
Das Bahn-Projekt der Mühlkreis-Bahn in Oberösterreich (-)
Das Bahn-Projekt der Mühlkreis-Bahn in Oberösterreich. Anhang (Anhang / 1881) ( - )
Cover ( - )
Title page ( - )
[Tabelle]: Tabelle A über statistische Daten für die Mühlkreisbahn über Neufelden. (8 - 9)
[Tabelle]: Tabelle B über statistische Daten für eine Mühlkreisbahn über Leonfelden. (10 - 11)
[2 Tabellen]: (1)Tabelle C zur Bahntrace über Neufelden bezüglich des nicht gemeinsamen Verkehrs-Gebietes. (2)Tabelle D der Bahntrace über Leonfelden bezüglich des nicht gemeinsamen Verkehrs-Gebietes. (12 - 13)
[2 Tabellen]: (1)Tabelle E. Vergleiche zwischen einer Mühlkreisbahn über Neufelden und einer Linie über Leonfelden bezüglich des gesamten Verkehrs-Gebietes. (2)Tabelle F. Vergleiche zwischen einer Mühlkreisbahn über Neufelden und einer Linie über Leonfelden bezüglich des nicht gemeinsamen Verkehrs-Gebietes. (14)
[Tabelle]: Tabelle G über die im Jahre 1880 mit den Postbotenfahrten Linz - Rohrbach, Linz - Aigen und Linz - Leonfelden beförderten Brief- und Fahrpostsendungen. (15)
[2 Tabellen]: (1)Tabelle H über den Depeschen-Verkehr und die Betriebs-Einnahmen bei den sämmtlichen Telegraphen-Stationen des oberen Mühlkreises in den Jahren 1878, 1879 und 1880. (2)Tabelle J über den Stand der Sparkassen des oberen Mühlkreises für das Jahr 1879. (16)
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Functional differences in placental steroid sulfate uptake of organic anion transporter 4 (OAT4) and organic anion transporting polypeptide 2B1 (OATP2B1).
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