The technique conditions of synthesis of hydroxyapatite(HAP) powder were studied by Sol Gel and chemical coprecipitation processes.The FTIR was applied to determine the chemical composition of the prepared product.The...The technique conditions of synthesis of hydroxyapatite(HAP) powder were studied by Sol Gel and chemical coprecipitation processes.The FTIR was applied to determine the chemical composition of the prepared product.The Ca/P ratio was determined also and compared with stoichimetric ratio of hydroxyapatite.The cross experiment result indicated that the optimum technique condition to gain high purity HAP powder involves Ca/P 1.67 ,pH 8.0,temperature 950℃,reaction time 3.5h when (C 4H 9O) 3PO and Ca(NO 3) 2 were used as starting materials;Ca/P 1.67 ,temperature 37.5℃,pH 9.0 and Ca/P 1.50,temperature 80℃,pH 11.0 when H 3PO 4 and Ca(OH) 2 were used as starting materials;and Ca/P 1.50,temperature 37.5℃,pH 9.0,Ca/P 1.67,temperature 50℃,pH 9.0 and Ca/P 1.67,temperature 70℃,pH 10.0 when (NH 4) 2HPO 4 and Ca(NO 3) 2 were used as starting materials.展开更多
目的:探讨5E康复模式对尿毒症患者的睡眠质量及其对护理满意度的影响。方法:将2014年6月到2015年2月收治的140例尿毒症患者随机分成对照组和研究组,每组各70例,对照组患者使用常规的康复模式,研究组采取5E康复模式,比较两组患者康复干预...目的:探讨5E康复模式对尿毒症患者的睡眠质量及其对护理满意度的影响。方法:将2014年6月到2015年2月收治的140例尿毒症患者随机分成对照组和研究组,每组各70例,对照组患者使用常规的康复模式,研究组采取5E康复模式,比较两组患者康复干预2月后的睡眠质量PSQI指数总分和护理满意度得分。结果:康复干预前两组患者的PSQI指数总分及护理满意度得分无统计学差异比较(均P>0.05),康复干预2月后,研究组患者PSQI指数得分明显低于对照组(4.79±1.32 vs 7.92±1.27,P<0.05),护理满意度得分明显高于对照组(4.22±0.35分vs 3.15±0.29分,P<0.05)。结论:与常规康复模式相比,5E康复模式可显著改善尿毒症患者的睡眠质量和护理满意度。展开更多
文摘The technique conditions of synthesis of hydroxyapatite(HAP) powder were studied by Sol Gel and chemical coprecipitation processes.The FTIR was applied to determine the chemical composition of the prepared product.The Ca/P ratio was determined also and compared with stoichimetric ratio of hydroxyapatite.The cross experiment result indicated that the optimum technique condition to gain high purity HAP powder involves Ca/P 1.67 ,pH 8.0,temperature 950℃,reaction time 3.5h when (C 4H 9O) 3PO and Ca(NO 3) 2 were used as starting materials;Ca/P 1.67 ,temperature 37.5℃,pH 9.0 and Ca/P 1.50,temperature 80℃,pH 11.0 when H 3PO 4 and Ca(OH) 2 were used as starting materials;and Ca/P 1.50,temperature 37.5℃,pH 9.0,Ca/P 1.67,temperature 50℃,pH 9.0 and Ca/P 1.67,temperature 70℃,pH 10.0 when (NH 4) 2HPO 4 and Ca(NO 3) 2 were used as starting materials.
文摘目的:探讨5E康复模式对尿毒症患者的睡眠质量及其对护理满意度的影响。方法:将2014年6月到2015年2月收治的140例尿毒症患者随机分成对照组和研究组,每组各70例,对照组患者使用常规的康复模式,研究组采取5E康复模式,比较两组患者康复干预2月后的睡眠质量PSQI指数总分和护理满意度得分。结果:康复干预前两组患者的PSQI指数总分及护理满意度得分无统计学差异比较(均P>0.05),康复干预2月后,研究组患者PSQI指数得分明显低于对照组(4.79±1.32 vs 7.92±1.27,P<0.05),护理满意度得分明显高于对照组(4.22±0.35分vs 3.15±0.29分,P<0.05)。结论:与常规康复模式相比,5E康复模式可显著改善尿毒症患者的睡眠质量和护理满意度。