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Controlled growth of ZnO nanorods by polymer template and their photoluminescence properties

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Science China(Technological Sciences) 2009年第4期52卷 888-892页

作者： LI JiangYong LI Lan xu JianPing ZHANG XiaoSong LI HaiYan ZHUANG jinyan Institute of Material Physics Tianjin University of Technology Tianjin Key Laboratory for Optoelectronic Materials and Devices Key Laboratory of Display Materials and Photoelectric Devices of Ministry of EducationTianjin 300384China Institute of Modern Optics Nankai UniversityTianjin 300171China School of Electronic and Information Engineering Tianjin UniversityTianjin 300172China

A large amount of one-dimensional ZnO nanorods with diameters in 15―50 nm aligned in radial cluster were successfully synthesized by polar polymer polyvinyl alcohol (PVA) as soft-template. The growth of ZnO nanorods was controlled by changing annealing temperature. The evolution of the morphology and microstructure was investigated by scanning electron microscope, transmission electron micro- scope and X-ray diffraction. It is shown that ZnO nanorods tend to be uniform and the crystallization is gradually improved with the temperature increasing from 400℃ to 700℃. The photoluminescence spectra of products show a strong ultra violet emission and relatively weak defect emissions. The sharp strong emission peak at 354 nm owing to the inter-band transition indicates the extraordinary photoluminescence property of ZnO nanorods.

关键词： ZnO nanorods polymer soft-template PVA photoluminescence spectrum

Study on the correlation between ambient environment-meteorological factors and the number of visits of acute otitis media,Lanzhou,China

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Journal of Otology 2020年第3期15卷 86-94页

作者： Haiyue Tian Baicheng xu Xinlan Wang jinyan Wang Cuiping Zhong From the Department of Otolaryngology Head and Neck Surgery The 940th Hospital of the Joint Logistics Support Unit of the Chinese PLA333 Binhenan RoadQilihe DistrictLanzhouGansu Province730050China From the Department of OtolaryngologyeHead and Neck Surgery Second Affiliated Hospital of Lanzhou UniversityNo.82CuiyingmenChengguan DistrictLanzhouGansu Province730030China From the School of Atmospheric Sciences Lanzhou UniversityNo.222Tianshuinan RoadChengguan DistrictLanzhouGansu Province730000China

To investigate the correlation between environmental-meteorological factors and daily visits for acute otitis media(AOM)in Lanzhou,***:Data were collected in 2014e2016 by the Departments of Otolaryngology-Head and Neck Surgery at two hospitals in *** information,including age,sex and visiting time,was *** data included air quality index,PM10,PM2.5,O3,CO,NO2 and SO2,and meteorological data included daily average temperature(T,C),daily mean atmospheric pressure(AP,hPa),daily average relative humidity(RH,%)and daily mean wind speed(W,m/s).The SPSS22.0 software was used to generate Spearman correlation coefficients in descriptive statistical analysis,and the R3.5.0 software was used to calculate relative risk(RR)and to obtain exposure-response *** relationship between meteorological-environmental parameters and daily AOM visits was ***:Correlations were identified between daily AOM visits and CO,O3,SO2,CO,NO2,PM2.5 and PM10 ***2,SO2,CO,AP,RH and T levels significantly correlated with daily AOM visits with a lag exposure-response *** effects of CO,NO2,SO2 and AP on daily AOM visits were significantly stronger compared to other factors(P<0.01).O3,W,T and RH were negatively correlated with daily AOM *** highest RR lagged by 3e4 ***:The number of daily AOM visits appeared to be correlated with short-term exposure to mixed air pollutants and meteorological factors from 2014 through 2016 in Lanzhou.

关键词： Acute otitis media Air pollution and meteolofical factors Non-parametric generalized additive model Relative risk Exposure-response curve

中医辨证施护配合安神足浴方对终末期肾脏病血液透析患者睡眠质量、生活质量的影响

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中国医学创新 2022年第15期19卷 88-91页

作者：邹丽君王美荣徐金艳熊洁范伟宋卫国江西中医药大学附属医院江西南昌330006

目的:探究中医辨证施护配合安神足浴方对终末期肾脏病血液透析患者睡眠质量、生活质量的影响。方法:选取江西中医药大学附属医院2020年9月-2021年8月收治的90例终末期肾脏病血液透析患者作为研究对象,按照随机数字表法将患者分为对照组(... 详细信息

目的:探究中医辨证施护配合安神足浴方对终末期肾脏病血液透析患者睡眠质量、生活质量的影响。方法:选取江西中医药大学附属医院2020年9月-2021年8月收治的90例终末期肾脏病血液透析患者作为研究对象,按照随机数字表法将患者分为对照组(n=45)与观察组(n=45)。对照组采用中医辨证施护,观察组采用中医辨证施护+安神足浴方。比较两组的睡眠质量、生活质量。结果:两组干预前匹兹堡睡眠质量指数(PSQI)评分比较,差异均无统计学意义(P>0.05);干预后,两组PSQI评分均较干预前下降,观察组PSQI评分均低于对照组(P0.05);干预后,两组SF-36评分均较干预前升高,观察组SF-36评分均高于对照组(P<0.05)。结论:中医辨证施护配合安神足浴方可明显提高终末期肾脏病血液透析患者的睡眠质量,提高患者生活质量,推荐使用。

关键词：终末期肾脏病血液透析中医辨证施护安神足浴方睡眠质量生活质量

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慢性骨髓炎感染屏障的机理研究

中国卫生标准管理 2021年第20期12卷 114-117页

作者：谢丹林振恩廖才杰林志文周腾祥许金言厦门大学附属福州第二医院骨科福建福州350007

目的观察慢性骨髓炎模型兔感染段骨质微血管密度(microvessel density,MVD)及万古霉素骨水泥干预下的变化和对残留细菌量的影响。方法将30只新西兰白兔随机分为假手术组、慢性骨髓炎模型组及万古霉素骨水泥组,每组10只,除假手术组外,其... 详细信息

目的观察慢性骨髓炎模型兔感染段骨质微血管密度(microvessel density,MVD)及万古霉素骨水泥干预下的变化和对残留细菌量的影响。方法将30只新西兰白兔随机分为假手术组、慢性骨髓炎模型组及万古霉素骨水泥组,每组10只,除假手术组外,其余组以开窗注入金黄色葡萄球菌法制成慢性骨髓炎模型,4周后观察各组HE染色后光镜下微血管变化,光镜及免疫组化法观察骨髓MVD,并计算残留细菌量。结果组织学结果显示万古霉素骨水泥组较慢性骨髓炎模型组微血管炎性病变程度轻,内膜较光滑,但与假手术组比较,内皮细胞排列不整齐,细胞核形态不规则。与假手术组比较,慢性骨髓炎模型组MVD明显下降,比较差异有统计学意义(P<0.05);与慢性骨髓炎模型组比较,万古霉素骨水泥组在4周后MVD恢复上升,骨髓金黄色葡萄球菌残留菌量明显下降,比较差异均有统计学意义(P<0.05)。结论慢性骨髓炎病理过程中MVD下降可能是抗生素难于进入骨髓的机理之一,万古霉素骨水泥髓腔途径治疗能提升MVD,降低骨髓细菌量,增加抗菌效能。

关键词：慢性骨髓炎微血管密度骨髓细菌量万古霉素骨水泥抗菌效能兔

低碳钢板坯连铸结晶器用无氟保护渣的研制与应用

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宽厚板 2019年第5期25卷 26-29页

作者：陈永艳李晓阳徐金岩赵春宝秦教武西峡龙成冶金材料有限公司

通过在低碳钢板坯连铸结晶器用保护渣中加入含B 2O 3的低熔点助熔剂材料,代替保护渣中的氟、钠,减小氟化物在连铸过程中的危害,设计保护渣的物理指标中碱度为1.15~1.25,熔点为1045~1105℃,黏度0.25~0.45 Pa·s,氟含量为零,固定碳含量在2... 详细信息

通过在低碳钢板坯连铸结晶器用保护渣中加入含B 2O 3的低熔点助熔剂材料,代替保护渣中的氟、钠,减小氟化物在连铸过程中的危害,设计保护渣的物理指标中碱度为1.15~1.25,熔点为1045~1105℃,黏度0.25~0.45 Pa·s,氟含量为零,固定碳含量在2.5%左右。该类保护渣在低碳钢连铸中的使用效果良好,降低了氟对环境和操作人员身体的危害,同时提高了浸入式水口的使用寿命以及铸坯表面质量。

关键词：低碳钢板坯连铸无氟保护渣 B2O3

八段锦联合热敏灸对尿毒症血液透析患者睡眠质量、生活质量与疲乏程度的影响

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中国当代医药 2024年第26期31卷 162-165页

作者：邹丽君裘锋锋徐金艳武雯雯范伟宋卫国江西中医药大学附属医院护理部江西南昌330006

目的研究八段锦联合热敏灸对尿毒症血液透析患者睡眠质量、生活质量与疲乏程度的影响。方法选取2022年7月至2023年12月江西中医药大学附属医院收治的80例尿毒症血液透析患者作为研究对象,按照随机数字表法将其分为观察组(40例)与对照组... 详细信息

目的研究八段锦联合热敏灸对尿毒症血液透析患者睡眠质量、生活质量与疲乏程度的影响。方法选取2022年7月至2023年12月江西中医药大学附属医院收治的80例尿毒症血液透析患者作为研究对象,按照随机数字表法将其分为观察组(40例)与对照组(40例),观察组患者采用八段锦联合热敏灸,对照组患者采用常规护理方法。比较两组患者的睡眠质量[匹兹堡睡眠质量指数(PSQI)]、生活质量[生活质量综合评定量表-74(GQOLI-74)]、疲乏程度[Piper疲乏量表(RPFS)]。结果护理前,两组PSQI、GQOLI-74、RPFS评分比较,差异无统计学意义(P>0.05);观察组护理后的PSQI量表评分均低于对照组,GQOLI-74量表评分高于对照组,RPFS量表评分均低于对照组,差异有统计学意义(P<0.05)。结论八段锦联合热敏灸可改善尿毒症血液透析患者睡眠情况,提高患者生活质量,减轻自身疲乏程度。

关键词：尿毒症血液透析八段锦热敏灸睡眠

Boosting the catalytic performance of Cu-SAPO-34in NO_(x) removal via hydrothermal treatment

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Journal of Environmental Sciences 2024年第1期135卷 640-655页

作者： Xiaoyan Tian Huimin Wang Siyuan xu Lianyun Gao jinyan Cao Jianjun Chen Qiulin Zhang Ping Ning Jiming Hao Faculty of Environmental Science and Engineering Kunming University of Science and TechnologyKunming 650500China National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries Kunming University of Science and TechnologyKunming 650500China School of Environment State Key Joint Laboratory of Environment Simulation and Pollution ControlTsinghua UniversityBeijing 100084China

Phosphate ions promoted Cu-SAPO-34(P-Cu-SAPO-34)were prepared using bulk CuO particles as Cu^(2+)precursor by a solid-state ion exchange technique for the selective catalytic reduction of NO_(x) with NH_3(NH_3-SCR).The effects of high temperature(H-T)hydrothermal aging on the NO_(x) removal(de-NO_(x))performance of Cu-SAPO-34 with and without phosphate ions were systematically investigated at atomic *** results displayed that both Cu-SAPO-34 and P-Cu-SAPO-34 presented relatively poor NO_(x) removal activity with a low conversion(<30%)at 250-500℃.However,after H-T hydrothermal treatment(800℃ for 10 hr at 10%H_2O),these two samples showed significantly satisfied NO_(x) elimination performance with a quite high conversion(70%-90%)at 250-500℃.Additionally,phosphate ions decoration can further enhance the catalytic performance of Cu-SAPO-34 after hydrothermal treatment(Cu-SAPO-34H).The textural properties,morphologies,structural feature,acidity,redox characteristic,and surface-active species of the fresh and hydrothermally aged samples were analyzed using various characterization *** systematical characterization results revealed that increases of 28%of the isolated Cu^(2+)active species(Cu^(2+)-2Z,Cu(OH)^(+)-Z)mainly from bulk CuO and 50%of the Bronsted acid sites,the high dispersion of isolated Cu^(2+)active component as well as the Bronsted acid sites were mainly responsible for the accepted catalytic activity of these two hydrothermally aged samples,especially for P-Cu-SAPO-34H.

关键词： NH_(3)-SCR Cu-SAPO-34 Hydrothermal induced Phosphate ions

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论大众跆拳道特征及道馆教学方法

搏击(武术科学) 2010年第6期7卷 85-86页

作者：庞俊鹏徐金岩武汉体育学院重竞技教研室防空兵指挥学院军事基础教研室

根据体育教学的客观规律,教学组织结构分三个部分即准备部分、基本部分、结束部分,文章采用运动训练学理论与方法对跆拳道馆教学提出了新的问题,探讨了跆拳道道馆教学方法。旨在提高大众对跆拳道的学习兴趣、技术水平,变被动学习为主动... 详细信息

根据体育教学的客观规律,教学组织结构分三个部分即准备部分、基本部分、结束部分,文章采用运动训练学理论与方法对跆拳道馆教学提出了新的问题,探讨了跆拳道道馆教学方法。旨在提高大众对跆拳道的学习兴趣、技术水平,变被动学习为主动学习,创造充满激情的道馆教学氛围,有技巧地进行教学训练,有效地提高会员的练习兴趣,从而增加道馆生源。

关键词：大众跆拳道道馆教学方法建议

镀锡板钢种连铸用低成本含BaO结晶器保护渣的研究

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宽厚板 2021年第5期27卷 17-21页

作者：王岩马晓娜赵春宝陈永艳徐金岩秦教武西峡龙成冶金材料有限公司

以往在连铸生产低碳镀锡板钢种时,结晶器保护渣中的Na+常在连铸坯表面富集,产生NaOH腐蚀,连铸坯经过轧制后表面出现夹渣及白斑缺陷。为了避免此类缺陷的再次发生,有必要开发应用Na_(2)O含量低于2.0%的保护渣。目前国内、外开发生产的保... 详细信息

以往在连铸生产低碳镀锡板钢种时,结晶器保护渣中的Na+常在连铸坯表面富集,产生NaOH腐蚀,连铸坯经过轧制后表面出现夹渣及白斑缺陷。为了避免此类缺陷的再次发生,有必要开发应用Na_(2)O含量低于2.0%的保护渣。目前国内、外开发生产的保护渣多使用含Li_(2)O材料替代含Na_(2)O材料,但是由于含Li_(2)O材料价格昂贵,致使保护渣的生产成本攀升。通过大量的研究和工业化试验,表明在保护渣中加入BaO,即可达到设计的理化性能,满足客户要求。

关键词： BaO 低成本镀锡板保护渣