Analytic tests are used to detect chaotic behavior in one or more computer system resources in a distributed computing environment. There is further disclosed a use for guanylhydrazone-substituted compounds to treat diseases and disorders related to T cell activation and HIV-infection. Several expansion units may be installed in the library with the base unit so that the robotic system can access media storage racks in any of the expansion units or in the base unit. The system’s data acquisition capabilities may be easily integrated into standard industry analysis tools. 1 mm to 00 mm, the scintillation layer arranged to generate photons towards the photodiode resulting from ions impinging on the scintillation layer. The dual port RAM has two ports connected respectively to the mobile communication modem and a PCMCIA interface and interfaces a data transmissionreceiving operation between the mobile communication modem and the PCMCIA interface.