All Answers (8) 1  This is nice information from wikipedia visit. 2  I guess if you assume the DNA is at rest with an average rise of 3.4 A per base pair, then the length of chr1 would be 3.4A * 249*10^6, i.e. 847*10^6A, i.e. ~85 mm, or 8.5 cm.
Boiler sizing includes two things: 1  The heating and hot water capabilities of the boiler. 2  The physical size of your boiler and whether it will fit in the space you have it destined for.
General Cost. A new boiler typically costs anywhere from $2,500 to $4,000 for regular efficiency systems at the time of publication, but the price tag is higher for high-efficiency units, ranging from $5,000 to $9,000.Boilers with higher prices typically have a variety of convenient unit features.nergy and maintenance expenses over the life of a new boiler -- which is an estimated 20 years -- add up to about $18,000 for a new boiler. However, the cost is around $24,000 for a regular boiler that does not meet energy efficiency standards.