In this study, a three factor and four level orthogonal experiment was designed to study the biologic effect of ultrasonic radiation on Marine Chlorella.
设计了一个超声频率、超声功率和辐射时间三因素四水平的正交实验，研究超声辐射对海水小球藻的生物效应。
2
The effective method for oily soil remediation is biologic method. Salinity is one main factor that influence remediation result.
油污土壤治理的有效方法是生物法，影响治理效果的主要因素之一是盐度。
3
According to those theories and facts. We have researched the process parameter of recirculation technology, biologic decomposition mechanism and the limited factor of biologic decomposition.