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Indoor radon concentration and its influencing factors in newly decorated houses and offices in Shenyang city
WU Hao-lan, ZHAO Hang, LI Meng-ge,
, Available online  , doi: 10.11847/zgggws1132296
Abstract(306) HTML (115) PDF 459KB(24)
  Objective  To examine indoor radon pollution and its associates in houses and offices with recent interior decoration in Shenyang city of Liaoning province and to provide evidences for developing targeted control measures against the pollution.   Methods  From Shenyang Construction Engineering Quality Testing Center, we collected the data on indoor radon detections for 581 houses and 151 offices after recent interior decoration in 25 buildings in Shenyang city during 2017. The concentrations of radon were described and the relationship between the indoor radon and decoration conditions was analyzed statistically.   Results   The mean indoor radon concentration of the offices was significantly higher than that of the houses (75.822 ± 4.090 vs. 69.285 ± 7.128 Bq/m3, P < 0.05). The most important influencing factor of room-specific radon concentration is the floor number of the room located on. The major influencing factors of indoor radon concentration for houses included whether the white powder (mainly consisted of calcium carbonate, cellulose and white latex) being used for interior wall decoration and the distance from a main road; in addition to whether the white powder being used for interior wall decoration, the indoor radon concentration of an office also influenced by the utilization of floor, marble tile, and polyvinyl chloride floor covering.   Conclusion  Decoration-related factors need to be concerned for the prevention and control of indoor radon pollution in houses and offices.
Performance and support pattern of nonlocal medical relief personnel during containment of coronavirus disease 2019 epidemic in Hubei province
XUE Xiao-jing, LÜ Ru-qi, LI Wei,
, Available online  , doi: 10.11847/zgggws1128317
Abstract(1400) HTML (2184) PDF 495KB(61)
  Objective  To examine the performance and support pattern of nonlocal medical relief personnel at designated hospitals during containment of coronavirus disease 2019 (COVID-19) epidemic in Hubei province for providing references to on-site support in the case of controlling similar respiratory infectious disease epidemic.  Methods  During 10 – 15 February 2020, we conducted a questionnaire survey and an interview among 279 medical relief personnel and 15 relief team leaders/managers from Sichuan province. Information on personnel structure, relief support pattern, relief work content and difficulties in relief work in the containment of COVID-19 in Hubei province were collected and analyzed.  Results  The patterns of relief support practice reported by the respondents included: (1) being in the charge of medication for all COVID-19 patients in a designated ward; (2) taking full responsibility for the medication of COVID-19 patients in a designated ward or department by a relief support team; (3) the same as the second pattern but by the relief support team and local medical professionals. The nonlocal medical relief personnel reported executing the relief work smoothly under local professional and social environment but reduced working performance due to the lack of medical equipments, without adequate accompanying articles for daily living, and overworking-induced low work efficiency.  Conclusion  The professional skill of relief personnel, material preparation and pre-service training are important for nonlocal medical relief personnel conducting efficient onsite support in public health emergency response.