Numerical;
Simulation;
Group;
for;
Water;
Environment,;
College;
of;
Environmental;
Science;
and;
Engineering,;
Nankai;
University,;
Tianjin;
300071,;
China;
College;
of;
Resources;
and;
Environment,;
Shandong;
Agricultural;
University,;
Taian;
271018,;
China;
表层沉积物; 磷形态; 海河; 中国; 氢氧化钠; 氯化铵; 金属氧化物; 磷组分;