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I came across this complex sentence taken from an article. I guess I am having hard time understanding it due to its complicated punctuation marks. I'd appreciate it if I could receive some help with this.

"...where C1.5S1 – the product of synthesis after grinding and burning; Q – quartz; C1.5S(1+y)H – the products of hydration; ΔH – heat; x – molar content of quartz in binding material; y – molar content of reacted quartz in hydrated cement stone."

  • You'll have to give us the link. Quartz is silicon oxide (SiO2), H seems to have two uses, and x is defined but not used. So something isn't quite right in the OP. – deadrat Nov 7 '16 at 9:47
  • That's just a list of definitions of the terms in an equation. – Hot Licks Nov 7 '16 at 12:28
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It's a table recast (somewhat awkwardly) into text form:

. . . where

     C1.5S1 – the product of synthesis after grinding and burning
          Q – quartz
C1.5S(1+y)H – the products of hydration
         ΔH – heat
          x – molar content of quartz in binding material
          y – molar content of reacted quartz in hydrated cement stone

It would be a little more intelligible if the dashes were replaced with is and an and were inserted before the free-standing y.

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