Publications by authors named "Guo-ting Yuan"

Article Synopsis
  • Excessive use of insecticides like spirotetramat significantly impacts non-target organisms, specifically the parasitoid Encarsia formosa, leading to decreased survival rates and lifespan after exposure.
  • The study found that while the maximum daily parasitism rate of E. formosa increased initially post-exposure, the overall lifespan of its offspring was greatly reduced compared to the control group.
  • Enzyme activity, including mixed function oxidase and acetylcholinesterase, significantly increased with higher concentrations of spirotetramat, indicating potential environmental threats from insecticide residues to beneficial species.
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Objective: To understand the status of physique and variational tendency of population in Chengdu, and comparing to the national level, for the purpose of providing evidence in improving the body mass among citizens in Chengdu.

Methods: Different groups were selected by cluster random sampling method, with a total of 5603 samples selected. Body shape, physiological and physical skills were measured according to the 2010 Workbook of Public Physique Monitoring Program and compared to the results from 2010.

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