The simplest mathematical method to estimate tortuosity is the arc-chord ratio: the ratio of the length of the curve (L) to the distance between the ends of it (C): Arc-chord ratio equals 1 for a straight line and is infinite for a circle.
ERS is a set of computer programs set to run in a specified order on the UNISYS Mainframe at the Enterprise. Computing Center in Martinsburg, West Virginia and the Enterprise Computing Center in Memphis, (ECC-MTB and. ECC-MEM) Tennessee. All ERS information is housed on the ERS database at each computing center.
An Application Object Server (AOS) is a core component of the Microsoft Dynamics AX installation and is installed by using Setup. An AOS enforces security, manages connections between clients and the database, and provides the foundation where business logic for Microsoft Dynamics AX is executed. An AOS is implemented as a Microsoft Windows service. By default, an AOS is listed in the Services pane as Microsoft Dynamics AX Object Server 6.0$ InstanceName. As a Windows service, AOS works in the following ways: 1  An AOS runs in the security context of either a specific domain account or the NT Authority/Network Service account, depending on the setup. 2  The status of an AOS is reported to the Windows event logs.