Русско-английский научно-технический словарь
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• Based on the tetrahedral model of the carbon valences, the nominal angle subtended between two of the four valences of the carbon would be 109°28'.
Русско-английский научно-технический словарь
• Based on the tetrahedral model of the carbon valences, the nominal angle subtended between two of the four valences of the carbon would be 109°28'.