The chemical recovery of)~142)La is about 80%, and the decontamination factors for most γ-emitters) are higher than 1×10~3.
流程所需时间约 1h ,14 2 La的化学回收率约80 % ,对主要γ核素的去污因子大于 1× 10 3 。
Proposes the two sets of indices,efficiency factor of contaminant source(EFCS) and efficiency factor of supply air(EFSA),and each set includes three indices.
定义了污染源有效因子EFCS和送风有效因子EFSA两个系列指标,每个系列均包括3个指标。
Based on approximate solutions for diffusionreaction problems,the mathematical expressions for calculating effectiveness factor of immobilized enzyme were proposed.
通过求解固定化酶扩散 反应微分方程,可以得到固定化酶有效因子,而有效因子是固定化酶反应系统设计和模拟的重要参数,也是评定固定化酶系统性能优劣的重要因素之一。