A NSA model of impact anechoic chamber ispresented herein theoretically.文章首先经过推导和计算,得出了一套计算紧缩型暗室的归一化场地衰减(NSA)理论值模型.It is the important reference for the evaluation of anechoic chamber performances.为评估全电波暗室的性能提供重要技术依据.Noi...
有些唾液酸位于溶酶体的外表面.Some sialic acid is on the external surface of lysosomes.包括酯酶的一些, 可以位于完整溶酶体的外表面.Some, including an esterase, may be on the outside of intact lysosomus.正常情况下细胞溶质中不存在溶酶体的酶.Lysosomal enzymes are not normally ...