简介:基于用户的图书馆服务质量评价体系LiQUALi+TM,构建包含数字资源、服务效果、馆员、移动设备及网络环境4个方面共16个指标的高校移动图书馆服务质量评价模型.并以此为基础,对西安交通大学移动图书馆开展问卷调查,进行数据分析,提出改进高校移动图书馆服务质量的有效措施.
简介:Objective:Establishnormativedatafortympanicelectrocochleography(TMECochG)parametersinnormalhearingadultswithoutMeniere'sdisease's(MD)symptoms.DescribeTMECochGvariablesthathelptodistinguishnormalfromMDears.Materialandmethods:Weenrolled100subjects(N?200ears),59females,agedbetween19and71yearsfrom09/2010to04/2014.Inclusioncriteria:normalotomicroscopy,hearingthresholds25dBnHLfrom250to4000Hz,normaltympanogram,nosymptomsofMDaccordingtotheAAO-HNS1995criteriaandGibson'sscore<7.Weexcludedsubjectswithdizziness,auralfullnessorothersymptomsofendolymphatichydrops.Thefollowingparameterswereanalyzed:SP/APamplituderatio,SP/AParearatioandthedifferencebetweenAPlatencywithrarefactionandcondensationstimuli.Results:Therewasnosignificantdifferencebetweenrightandleftears(Intraclasscorrelationcoefficient<0.6).SP/APamplituderatiovariedbetween0.084and0.356andSP/AParearatiobetween0.837and1.671(percentiles5and95).TheAPlatencydifferencetorarefactionandcondensationclickswasbetween0.0and0.333ms.Conclusion:NormativedataforTMECochGparameterswereestablishedin100normalhearingsubjectswithoutMD.Thesedatacanbeusedtodistinguishnormalfrompathologicalfindingsandinfollow-upofMDpatients.
简介:摘要目的探讨OSAHS病人体内肝细胞生长因子(HGF)、血栓调节蛋白(TM)的测定及意义。方法通过PSG确诊的OSAHS病人66例为鼾症组,按AHI分成重、中、轻3组;22例正常人纳进为对照组;用ELISA法检测血HGF、TM浓度;重度病人经CPAP治疗6月再复测TM、HGF,复查PSG。结果(1)随鼾症程度上升,血清TM和HGF水平上升(F=21.843,19.764;P<0.01);各组TM、HGF浓度比较都有显著差别(P<0.01)。(2)OSAHS病人血TM、HGF浓度和BMI、年龄无关(P>0.05),而HGF和TM浓度变化有正相关,且均和LsaO2有负相关,和AHI有正相关(P<0.01)。(3)22例重度病人经CPAP治疗6月后LsaO2较前上升,AHI及血TM、HGF下降(P<0.01)。结论OSAHS病人存在血TM及HGF浓度的上升,二者联合测定有助于OSAHS的病情判断及并心血管疾患的监测。
简介:摘要介绍了两台小松TM625PMM盾构机在完成软土地层的掘进任务后,调往广州某标段施工。原盾构机主要为砂卵石、粘土地层设计,需要对其进行部分改造,以适应广州地层。