目的:探讨COVID-19对福建省支援湖北医护人员睡眠、心理、生活情况及影响睡眠质量的危险因素。方法:对528名医护人员,进行了一项横断面、匿名、自我报告的线上问卷调查。包括社会人口学资料、COVID-19流行相关因素、匹兹堡睡眠质量指数(...目的:探讨COVID-19对福建省支援湖北医护人员睡眠、心理、生活情况及影响睡眠质量的危险因素。方法:对528名医护人员,进行了一项横断面、匿名、自我报告的线上问卷调查。包括社会人口学资料、COVID-19流行相关因素、匹兹堡睡眠质量指数(PSQI)、Epworth嗜睡量表(ESS)、清晨型与夜晚型量表-5项(MEQ-5)、12题项一般健康问卷(GHQ-12)五部分。结果:313人(59.3%)PSQI评分>5分,存在睡眠质量差,且护士更为显著,差异有统计学意义(Z=-2.229,P=0.026,P<0.05)。多因素logistic回归分析发现,睡眠质量独立差危险因素,相对危险度(OR值)分别为:既往确诊睡眠障碍10.820(95%Cl为3.293~35.556,P<0.001)、每周夜班倒班工作的次数>3次2.919(95%Cl为1.414~6.028,P=0.004)、睡觉打鼾2.259(95%Cl为1.360~3.753,P=0.002)、GHQ-12得分2.010(95%Cl为1.553~2.601,P<0.001)、睡前使用电子产品超过1 h 1.681(95%Cl为1.085~2.604,P=0.020)、睡前使用电子产品看小说、新闻1.604(95%Cl为1.043~2.467,P=0.031)。结论:在支援湖北期间,睡眠质量差在福建省医护人员中非常普遍,且护士更为显著。睡眠质量差与既往确诊睡眠障碍、每周夜班倒班工作的次数>3次、睡觉打鼾、GHQ-12得分、睡前使用电子产品超过1 h、睡前使用电子产品看小说、新闻存在独立相关性。在经历重大事件影响时,为医护人员提供更多的睡眠卫生教育及心理健康服务是必要的。对全国医护工作者进行大规模抽样调查是迫切需要开展的。展开更多
In order to develop new basic light-weight refractory raw materials,natural forsterite(<0.045 mm)and magnesite(<0.045 mm)were batched according to the chemical composition of forsterite(2MgO·SiO_(2)),wet mi...In order to develop new basic light-weight refractory raw materials,natural forsterite(<0.045 mm)and magnesite(<0.045 mm)were batched according to the chemical composition of forsterite(2MgO·SiO_(2)),wet milled,semi-dry molded and calcined at different temperatures.Then cylinder samples with diameter of 36 mm were prepared.The effects of the wet milling jar rotation speed,the calcination temperature and the anthracite addition on the properties of the samples were researched.The results show that:when the calcination temperature exceeds 1300℃,all the mineral phases have converted to the desired phases;with the increase of the rotation speed and the calcination temperature,the bulk density of the samples increases,the apparent porosity decreases and the compressive strength improves.By comprehensive consideration,400 r·min^(-1) and 1450℃ are taken as the optimal scheme.High addition of anthracite makes the samples light,so series of light-weight raw materials with uniformly distributed micro-pores can be gained.The light-weight raw materials achieved were used for insulation refractory castables,obtaining good application.展开更多
文摘目的:探讨COVID-19对福建省支援湖北医护人员睡眠、心理、生活情况及影响睡眠质量的危险因素。方法:对528名医护人员,进行了一项横断面、匿名、自我报告的线上问卷调查。包括社会人口学资料、COVID-19流行相关因素、匹兹堡睡眠质量指数(PSQI)、Epworth嗜睡量表(ESS)、清晨型与夜晚型量表-5项(MEQ-5)、12题项一般健康问卷(GHQ-12)五部分。结果:313人(59.3%)PSQI评分>5分,存在睡眠质量差,且护士更为显著,差异有统计学意义(Z=-2.229,P=0.026,P<0.05)。多因素logistic回归分析发现,睡眠质量独立差危险因素,相对危险度(OR值)分别为:既往确诊睡眠障碍10.820(95%Cl为3.293~35.556,P<0.001)、每周夜班倒班工作的次数>3次2.919(95%Cl为1.414~6.028,P=0.004)、睡觉打鼾2.259(95%Cl为1.360~3.753,P=0.002)、GHQ-12得分2.010(95%Cl为1.553~2.601,P<0.001)、睡前使用电子产品超过1 h 1.681(95%Cl为1.085~2.604,P=0.020)、睡前使用电子产品看小说、新闻1.604(95%Cl为1.043~2.467,P=0.031)。结论:在支援湖北期间,睡眠质量差在福建省医护人员中非常普遍,且护士更为显著。睡眠质量差与既往确诊睡眠障碍、每周夜班倒班工作的次数>3次、睡觉打鼾、GHQ-12得分、睡前使用电子产品超过1 h、睡前使用电子产品看小说、新闻存在独立相关性。在经历重大事件影响时,为医护人员提供更多的睡眠卫生教育及心理健康服务是必要的。对全国医护工作者进行大规模抽样调查是迫切需要开展的。
基金The work was supported by Student Research Training Program of Henan University of Science and Technology in 2020(No.2020029).
文摘In order to develop new basic light-weight refractory raw materials,natural forsterite(<0.045 mm)and magnesite(<0.045 mm)were batched according to the chemical composition of forsterite(2MgO·SiO_(2)),wet milled,semi-dry molded and calcined at different temperatures.Then cylinder samples with diameter of 36 mm were prepared.The effects of the wet milling jar rotation speed,the calcination temperature and the anthracite addition on the properties of the samples were researched.The results show that:when the calcination temperature exceeds 1300℃,all the mineral phases have converted to the desired phases;with the increase of the rotation speed and the calcination temperature,the bulk density of the samples increases,the apparent porosity decreases and the compressive strength improves.By comprehensive consideration,400 r·min^(-1) and 1450℃ are taken as the optimal scheme.High addition of anthracite makes the samples light,so series of light-weight raw materials with uniformly distributed micro-pores can be gained.The light-weight raw materials achieved were used for insulation refractory castables,obtaining good application.
