carbon hydrogen ratio

例句：

1. 1. The analysis of the carbon-to-hydrogen ratio in the sampleis crucial for understanding its chemical properties.
   分析样品中的碳氢比对于理解其化学性质至关重要。
2. 2. The ratio of carbon to hydrogenin fossil fuels is a key factorin determining their environmental impact.
   化石燃料中碳与氢的比率是决定其环境影响的关键因素。
3. 3. In the study of biochemistry, the carbon-to-hydrogen ratio is used to estimate the proportionof organic compounds in a sample.
   在生物化学研究中，碳氢比被用来估算样本中有机化合物的比例。