1000px. In this situation it's easier to use the Golden ratio, as you would simply multiply 1000px with 0.618 and get 618px which would be the ideal width for your content block.

Steam drive pilot test in Block Qi40 has achieved ideal development result, but the sweep efficiency is low and stable production period is short because of reservoir heterogeneity.

Light aggregate concrete hollow block is an ideal material for exterior wall of building energy saving.