Systems and methods for positioning horizontal wells within a limited-pre-defined boundary. The methods of combating Escherichia coli andor Enterococcus faecium in an aqueous medium, and biofilms such as formed by Pseudomonas aeruginosa on surfaces contacted by the aqueous medium, involve introducing into the medium a biocidally effective amount of 1,3-dibromo-5,5-dimethylhydantoin. A grain size of grains in each of the one or more layers is at least approximately two times greater than a thickness of the respective layer. Through the dopants in the body contact region and different impurities in the source region and the drain region, a body-trigger bias is imposed on the body of the TFT. 5 d and reduces its negative effect starting from a delay value greater than d2. The sixth signal terminal is located in a region between the fourth signal terminal and the fifth signal terminal in the first direction.