The system of the present invention includes a heat exchange catheter for warming flowing blood within a blood vessel. The frame member is configured to accommodate the photosensitive drums such that the photosensitive drums are withdrawn along an axial direction thereof. The determination of the metric value for the parent node is repeated for multiple instances. The first address signals includes X voltages each of which is a first voltage or a second voltage. The processes generally include providing a bimodal ethylene based polymer, blending the bimodal ethylene based polymer with a nucleator to form modified polyethylene and forming the modified polyethylene into a polymer article, wherein the polymer article is selected from pipe articles and blown films.