Eu^3＋/Dy^3＋ single-doped and co-doped 6SrO-3Al2O3-91SiO2 and 12SrO-6Al2O3-82SiO2 glass and glass-ceramics were synthesized successfully by a sol-gel method. The prepared samples were characterized by the X-ray diffr...Eu^3＋/Dy^3＋ single-doped and co-doped 6SrO-3Al2O3-91SiO2 and 12SrO-6Al2O3-82SiO2 glass and glass-ceramics were synthesized successfully by a sol-gel method. The prepared samples were characterized by the X-ray diffraction, high-resolution transmission electron microscopy, photoluminescent spectra and X-ray photoelectron spectroscopy. The effect of annealing temperature, doped ions and matrix component on the structure and the photoluminescent characteristics was systematically studied. The higher temperature was helpful to form nanocrystals and the amount of SrO and Al2O3 could better disperse the rare earth ions in matrix at suitable temperature, and both of them could improve the luminescent intensity. Meanwhile, the doped ions could change the luminescent color by single, codoped and energy transfer. The Sr2SiO4 nanocrystals were observed in silicates glasses and became larger with the increase of the annealing temperature and the luminous efficiency of rare-earth（RE） ions could be enhanced when the samples changed from glass state to glass-ceramic state. The results indicated that the photoluminescent properties could be changed through controlling the doped ions, annealing temperature and matrix component.展开更多
目的探讨对首发精神分裂症患者及家属实施分段式健康教育的效果。方法选择2010年6—12月收治的首次发病精神分裂症患者80例,随机分为实验组和对照组各40例。实验组采用精神科药物配合分段式健康教育;对照组采用精神科药物和传统的健康...目的探讨对首发精神分裂症患者及家属实施分段式健康教育的效果。方法选择2010年6—12月收治的首次发病精神分裂症患者80例,随机分为实验组和对照组各40例。实验组采用精神科药物配合分段式健康教育;对照组采用精神科药物和传统的健康教育方式。对两组的治疗效果采用护士用住院患者观察量表(nurses’observation scale for inpatient evaluation,NOSIE)和自制的患者及其家属满意度调查表进行评定。计量资料采用t检验,计数资料采用χ2检验,P<0.05为差异有统计学意义。结果两组患者干预8周末NOSIE评分差异均有统计学意义(均P<0.05)。实验组的患者及家属对医护人员的满意度高于对照组,差异有统计学意义(P<0.05)。实验组患者满意38例,占95.0%;家属满意39例,占97.5%;对照组患者满意32例,占80.0%;家属满意34例,占85.0%,两组患者、家属满意率比较差异均有统计学意义(χ2=4.67、4.35,均P<0.05)。结论对首发精神分裂症患者及其家属实施分段式健康教育,对患者早期病情恢复有促进作用。展开更多
The europium ions doped MMoO4 （M=Sr, Ba） nanophosphors were successfully synthesized via a facile hydrothermal method using isopropanol. The relationship between phosphor crystalline phase, morphology, photohtminesc...The europium ions doped MMoO4 （M=Sr, Ba） nanophosphors were successfully synthesized via a facile hydrothermal method using isopropanol. The relationship between phosphor crystalline phase, morphology, photohtminescent properties and hexadecyl trimethyl ammonium bromide （CTAB） concentration, pH value in precursor solution was investigated. The results indi- cated that the morphology and photoluminescent properties were strongly influenced by CTAB concentration and pH value in precursor solution. In SrMoO4：Eu3＋ hosts, the phosphor surface tended to become smoother as the concentration of CTAB was increased; while particles tended to agglomerate as increasing pH value. The relative intensity ratio of charge transfer band to Eu3＋ characteristic emission peaks of MMoO4：Eu3＋ （M=Sr, Ba） was changed as CTAB concentration and pH value changed. The emission spectra of MMoO4：Eu3＋ （M=Sr, Ba） could be adjusted by CTAB concentration and pH value due to their impacts on the structure. It was im- portant that the different morphologies and photoluminescent properties of MMoO4：Eu3＋ （M=Sr, Ba） could be obtained by the facile hydrothermal method and modulated by changing CTAB concentration and pH value.展开更多
基金Project supported by the National Natural Science Foundation of China(51562025)Graduate Student Innovation Special Funds(YC2016-S085) of Jiangxi Province
文摘Eu^3＋/Dy^3＋ single-doped and co-doped 6SrO-3Al2O3-91SiO2 and 12SrO-6Al2O3-82SiO2 glass and glass-ceramics were synthesized successfully by a sol-gel method. The prepared samples were characterized by the X-ray diffraction, high-resolution transmission electron microscopy, photoluminescent spectra and X-ray photoelectron spectroscopy. The effect of annealing temperature, doped ions and matrix component on the structure and the photoluminescent characteristics was systematically studied. The higher temperature was helpful to form nanocrystals and the amount of SrO and Al2O3 could better disperse the rare earth ions in matrix at suitable temperature, and both of them could improve the luminescent intensity. Meanwhile, the doped ions could change the luminescent color by single, codoped and energy transfer. The Sr2SiO4 nanocrystals were observed in silicates glasses and became larger with the increase of the annealing temperature and the luminous efficiency of rare-earth（RE） ions could be enhanced when the samples changed from glass state to glass-ceramic state. The results indicated that the photoluminescent properties could be changed through controlling the doped ions, annealing temperature and matrix component.
文摘目的探讨对首发精神分裂症患者及家属实施分段式健康教育的效果。方法选择2010年6—12月收治的首次发病精神分裂症患者80例,随机分为实验组和对照组各40例。实验组采用精神科药物配合分段式健康教育;对照组采用精神科药物和传统的健康教育方式。对两组的治疗效果采用护士用住院患者观察量表(nurses’observation scale for inpatient evaluation,NOSIE)和自制的患者及其家属满意度调查表进行评定。计量资料采用t检验,计数资料采用χ2检验,P<0.05为差异有统计学意义。结果两组患者干预8周末NOSIE评分差异均有统计学意义(均P<0.05)。实验组的患者及家属对医护人员的满意度高于对照组,差异有统计学意义(P<0.05)。实验组患者满意38例,占95.0%;家属满意39例,占97.5%;对照组患者满意32例,占80.0%;家属满意34例,占85.0%,两组患者、家属满意率比较差异均有统计学意义(χ2=4.67、4.35,均P<0.05)。结论对首发精神分裂症患者及其家属实施分段式健康教育,对患者早期病情恢复有促进作用。
基金Project supported by the Nation Natural Science Foundation of China(51562025)Graduate Student Innovation Special Funds(YC2016-S085)
文摘The europium ions doped MMoO4 （M=Sr, Ba） nanophosphors were successfully synthesized via a facile hydrothermal method using isopropanol. The relationship between phosphor crystalline phase, morphology, photohtminescent properties and hexadecyl trimethyl ammonium bromide （CTAB） concentration, pH value in precursor solution was investigated. The results indi- cated that the morphology and photoluminescent properties were strongly influenced by CTAB concentration and pH value in precursor solution. In SrMoO4：Eu3＋ hosts, the phosphor surface tended to become smoother as the concentration of CTAB was increased; while particles tended to agglomerate as increasing pH value. The relative intensity ratio of charge transfer band to Eu3＋ characteristic emission peaks of MMoO4：Eu3＋ （M=Sr, Ba） was changed as CTAB concentration and pH value changed. The emission spectra of MMoO4：Eu3＋ （M=Sr, Ba） could be adjusted by CTAB concentration and pH value due to their impacts on the structure. It was im- portant that the different morphologies and photoluminescent properties of MMoO4：Eu3＋ （M=Sr, Ba） could be obtained by the facile hydrothermal method and modulated by changing CTAB concentration and pH value.
