Based on the water quality and fish food foundation, the proposal of immigrating some fish species, which eat the rotten organicfragment as primary feed, is put forward.
根据河道水质情况及渔业饵料基础，提出引进以摄食腐碎为主的鱼类等措施。
2
The program also extents its applicable range to general organic chemistry with its user definable fragment database.
该计划还扩展其适用范围，一般有机化学，其用户可定义的片段数据库。
3
Relationship between bioconcentration factor and fragment constants was investigated. A prediction model was developed on the basis of the observed BCF values of 80 non-polar organic compounds.