Different feed gas ratio could produce synthesis gas of different H/C radio.
原料气各物质的比例不同，可以制备不同碳氢比的合成气。
'I think it is C-O-L-E-H-D,' he says.
“我想是C -O - L - E - H - D吧”，他说。
The required reference for the course is (c). The recommended texts are (e) and (h).
本课程的课本是(C)，建议课本是(e)和(H)。
Yes, my name is C. H. Huang. Do you think I can see Dr. Smith today?
是的，我叫黄中华。我今天可以看史医生吗？
The structure of the product is identified with IR, H-NMR and C-NMR.
利用红外光谱、核磁共振谱对产品结构进行了确定。
The structure of the product is identified with IR, H-NMR and C-NMR.
利用红外光谱、核磁共振谱对产品结构进行了确定。
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