Based on the analysis of the connotation of regional economic development,this paper constructed an assessment criteria system of Chinese economic development,and made a comparative analysis of the overall situation o...Based on the analysis of the connotation of regional economic development,this paper constructed an assessment criteria system of Chinese economic development,and made a comparative analysis of the overall situation of Chinese regional economic development and its performance in terms of supply,demand,development efficiency,economical operation,and opening up.According to the results,the sample provinces were divided into leading regions,superior regions,medium regions,and catch-up regions,and measures were proposed to improve regional economic development from the perspectives of bench marking with leading regions,releasing regional potentials,and upgrading the quality of innovative elements,which provided new ideas for the construction of economic development assessment criteria system and certain reference for the thrust of high quality regional development.展开更多
The no-observed-effect level (NOEL) in a study of carcinogenicity for compounds that are both genotoxic and carcinogenic represents the limit of detection in that bioassay, rather than an estimate of a possible thresh...The no-observed-effect level (NOEL) in a study of carcinogenicity for compounds that are both genotoxic and carcinogenic represents the limit of detection in that bioassay, rather than an estimate of a possible threshold. Therefore, for those genotoxic and carcinogenic contaminants (e.g. acrylamides, PAHs, etc.) in foods it is not possible to develop health-based guidance values (e.g. ADI or PTWI) using the traditional NOEL and safety/uncertainty factors.展开更多
Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecol...Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecological environment and upgrading the constructive level of the urban greenbelt along with the sustainable development in the future, the paper provided some solutions in details展开更多
文摘Based on the analysis of the connotation of regional economic development,this paper constructed an assessment criteria system of Chinese economic development,and made a comparative analysis of the overall situation of Chinese regional economic development and its performance in terms of supply,demand,development efficiency,economical operation,and opening up.According to the results,the sample provinces were divided into leading regions,superior regions,medium regions,and catch-up regions,and measures were proposed to improve regional economic development from the perspectives of bench marking with leading regions,releasing regional potentials,and upgrading the quality of innovative elements,which provided new ideas for the construction of economic development assessment criteria system and certain reference for the thrust of high quality regional development.
文摘The no-observed-effect level (NOEL) in a study of carcinogenicity for compounds that are both genotoxic and carcinogenic represents the limit of detection in that bioassay, rather than an estimate of a possible threshold. Therefore, for those genotoxic and carcinogenic contaminants (e.g. acrylamides, PAHs, etc.) in foods it is not possible to develop health-based guidance values (e.g. ADI or PTWI) using the traditional NOEL and safety/uncertainty factors.
基金Supported by Program for Doctor Funds of Northeast Agricultural University (2009RC40)
文摘Through analyzing the current urban greenbelt construction and relative issues during the development in northeastern parts in Harbin of China, some feasible solutions were proposed. In order to improve the urban ecological environment and upgrading the constructive level of the urban greenbelt along with the sustainable development in the future, the paper provided some solutions in details
