Take theÿsulfamethoxazoleÿand metronidazole as two examples, exploring the spatial distribution of antibiotics in two drinking water sources, which are in Xin Licheng reservoir and Shitou Koumen reservoir, and evaluating ecological risk and human health risk. The average concentration ofÿsulfamethoxazoleÿand...

Objective To research the risk assessment method of welder's pneumoconiosis caused by welding fume exposure, predict the incidence of welder's pneumoconiosis, and provide technical basis for occupational risk management. Method Welders of a large-scale agricultural machinery processing workshop were...

In view of the good generalization performance of the random forest classifier, this paper uses the random forest classifier to analyze the risk of the 961 groups of breast tumor lesion tissue digital mammography image data. Empirical results show that the random forest classifier has better generalization...

To understand the household risk factors and willingness of safety equipment use of the elderly, 789 elderly people were surveyed with questionnaires in two districts of Beijing. Related factors in gender, age, level of education, physiological status, psychological status, household environment conditions...

The concentrations of PAHs in 29 soil samples in a little town in southern Jiangsu were detected. Based on these soil concentration data and parameters from existing studies for this area, we use contaminated land exposure assessment (CLEA) model developed by Environment Agency of United Kingdom to analyze...

The exhaust gas generated by waste incineration plant contains heavy metals. They will harm organ function and human health. The CALPUFF model was used to simulate the transport and diffusion of heavy metals of cadmium (Cd), chromium (Cr), copper (Cu) and nickel (Ni) in atmosphere emitted from exhaust...

With the rapid development of agriculture and industry in Taihu Lake Basin, Persistent Organic Pollutants (POPs) have become the focus of research. The paper performed ecological and health risk assessment for PAHs in Taihu Lake Basin. Based on the measured data from the centralized source of drinking...