prevention 第2页

An analysis on the genesis of debris flow in Taihang Mountains and ecological prevention countermeasure--Taking genesis of debris flow in Hebei Province in 1996 as an example Effects of biological invasion on the stabilization of urban ecosystem and strategies of its prevention and control A further report on the study of climate-ecological prevention way of cucumber downy mildew: the relationship of high-temperature controlling with disease damage and yield and its prevention indices Chemoprevention of matrine and oxymatrine on prevention of inflammation related colorectal cancer