The <e1>chabazite</e1> was contained in a <e2>multiple U-tube</e2> and was first thoroughly outgassed at 550' in a good vacuum.
The chabazite was contained
The chabazite was contained in a multiple U-tube and was first thoroughly outgassed at 550' in a good vacuum.
<triplet> chabazite <subject> multiple U-tube <object> Content-Container(e1,e2)