Sulfur isotopic composition of sulfide in different formations was related to their source, and tended to beuniformwith the growing stacked reworking at later stages.
不同建造中硫化物的硫同位素组成与其来源有关,并随后期叠加改造作用的增强而趋于均一。
2
By 2008, after two innovative developments, the new formula glass could now be produced in uniform, thin sheets with a pristine surface.