Development of research on scale inhibitor
zhang jing-lai; feng ying-hua; li dan; li jin-qiu; dong li-feng(school of environment and natural resources; renmin univ.of china; beijing 100872; china)
..............page:74-79
Optimization of β-mannase production by bacillus subtilis
nie guang-jun; yue wen-jin; xue zheng-lian; lin xing-xing; lu xiao-lan(department of biochemistry engineering; anhui university of technology and science; wuhu 241000; china)
..............page:1-6
Ruin probability for two classes of risk process
shen wen-kang; wang chuan-yu; zhang jian-biao; li xiao-feng(dept of math &phy.; anhui university of technology and science; wuhu 241000; china)
Families of Non-central Matrix quasi-F distribution
chu hui-qin1; zheng yu-guo1; xu hai-yan2(1.dept.of math.; southeast university; nanjing 210096; china; 2.dept.of basic; jin ling university of dcience and technology; nanjing 210096; china)