The initiator efficiency fis defined as the fraction of the radicals formed in the primary step of initiator decomposition, which are successful in initiating polymerization.
引发剂效率引发剂效率定义为，引发剂最初分解形成自由基，并成功引发聚合反应的分数。
2
Light fraction organic matter is largely composed of plant residues at various stages of decomposition and a lot of microbial debris. Soil fertility varies with its changes as indicators.