In this case, the interacting variables of protein level, amino acid composition, digestibility, and absorption of the amino acids all contribute to determine biological value.
此时，蛋白质含量，氨基酸组成，消化性能以及氨基酸吸收之间的相互作用均会影响生物学价值的测定。
2
Electronic noses are novel systems used to measure the chemical composition of gas, which are designed like the biological olfactory system.
电子鼻是仿照生物的嗅觉系统所设计出来的一个用于测量气体中的化学成分的系统。
3
Objective: The chemical composition, extraction and biological activity of antioxidant substance of sweet potatoes were studied.