2 results about "OPE compound" patented technology

The invention belongs to the technical field of compound screening, and provides a method for rapidly screening mass spectrum positive signals of organophosphorus ester compounds, which comprises the following steps of: performing binary coding on OPEs compounds and non-OPEs compounds to establish a mass spectrum database, training a machine learning model by using a data set in the mass spectrum database, and screening the mass spectrum positive signals of the organophosphorus ester compounds to obtain the mass spectrum positive signals of the organophosphorus ester compounds. And after training is completed, the machine learning model is used for predicting a mass spectrum to be detected, and screening of the organophosphate compounds is completed. According to the method, manual mass spectrum comparison is not needed, the screening flux is improved, a foundation is laid for standardized application of the screening process, and the screening efficiency is improved; in the screening process of an actual sample, the screening efficiency is improved from the original hour level to the minute level, and the purpose of rapidly screening the organophosphate compounds is achieved.

This application relates to the technical field of environmental monitoring and data analysis, and particularly to a screening method for priority-controlled OPEs based on surface water concentration data. According to the organophosphate ester flame retardants (OPEs) exposure database, the monitoring data of each OPE compound within a specified time period is obtained. For each OPE compound, based on the monitoring data, the quantitative data of environmental persistence, bioaccumulation, and toxicity effects are respectively obtained, and the exposure potential index and hazard potential index are obtained through principal component analysis; the exposure potential index and hazard potential index are processed to obtain the priority control index; based on the priority control index, sorting is carried out to screen OPE compounds that meet the preset conditions, and the screening results are determined as the priority control targets. This application can simultaneously identify key pollutants with high exposure risks and high hazard risks, reveal the main risk drivers of different OPEs, and effectively support the screening and priority control decision-making of emerging pollutants.