Methods and apparatus are provided for constrained transforms for video coding and decoding having transform selection. Today SoC design-closure that validates design targets of area, timing, congestion and power constraints is accomplished post routing as over 80% of validation problems are due to global-interconnect. The wellbore system further comprises an annular body of a- resilient material arranged in said annular space and extending substantially the length of said portion of the tubular conduit surrounded by the salt layer. A first peripheral transistor, which constitutes a part of a peripheral circuit, has a third gate electrode and a third sourcedrain diffusion layers. In general, levels of PHA in excess of about 15% to about 20% dry weight of the biomass is an indication that the biocatalytic efficiency of the wastewater treatment process is impaired.