physiological combustion value meaning in English

生理燃烧值

Total oxygen consumption , total carbon dioxide output and total nitrogen ( urine nitrogen + skin nitrogen ) excretion are related to the oxidation of the three major nutrients and the physiological combustion values of the three nutrients are already known
总氧消耗、总二氧化碳排出和总氮（尿氮皮肤氮）排出与三大营养素的氧化有关，并且这三种营养素的生理燃烧值是己知的。