全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
中外文文献  中文文献  外文文献
作者:... H. Järvinen , S. Niemelä , K. Salonen
来源:[J].Atmospheric Chemistry and Physics(IF 5.51), 2007, Vol.7 (12), pp.3143DOAJ
摘要:The ground-based measurements of the Global Positioning System (GPS) allow estimation of the tropospheric delay along the slanted signal paths through the atmosphere. The meteorological exploitation of such slant delay (SD) observations relies on the hypothesis of azimuthal asymm...
作者:S. Niemelä , M. Drakesmith ...
来源:[J].NeuroImage(IF 6.252), 2017, Vol.152, pp.108-118Elsevier
摘要:Abstract(#br)A number of structural properties of white matter can be assessed in vivo using multimodal magnetic resonance imaging (MRI). We measured profiles of R1 and R2 relaxation rates, myelin water fraction (MWF) and diffusion tensor measures (fractional anisotropy [FA]...
作者:S. Niemelä , A. Brunstein-Klomek ...
来源:[J].Addictive Behaviors(IF 2.021), 2011, Vol.36 (3), pp.256-260Elsevier
摘要:Abstract(#br)Childhood bullying behaviors (bullying and victimization) were studied as risk factors for substance use among Finnish males. The study design was a nationwide prospective general population study, where information was collected in 1989 and 1999. Bullying behaviors ...
作者:S. Niemelä , S. Mikola ...
来源:[J].European Psychiatry(IF 3.285), 2016, Vol.33, pp.S73-S73Elsevier
摘要:Introduction(#br)Prenatal smoking exposure is one of the most common insults during the fetal period prevalence varying from 5 to 19% in the European countries [1].(#br)Objectives(#br)Prenatal smoking exposure increases the risk of psychiatric morbidity in the offspring, ext...
作者:... E. Jääskeläinen , S. Niemelä , J. Miettunen
来源:[J].European Psychiatry(IF 3.285), 2015, Vol.30, pp.381-381Elsevier
摘要:Introduction(#br)Recent studies have shown that cannabis use acts as a specific risk factor provoking the onset of psychosis in vulnerable individuals. Association of adolescent cannabis use and psychosis risk was studied after adjustment with prodromal symptoms.(#br)Objecti...
作者:E. Salama , S. Niemelä , A. Castaneda
来源:[J].European Psychiatry(IF 3.285), 2016, Vol.33, pp.S315-S316Elsevier
摘要:Introduction(#br)Although substance use is a well-known public health risk factor, European population-based studies reporting the substance use among adult migrant populations are scarce.(#br)Objectives(#br)We aim to: (1) determine the prevalence of alcohol use, cigarette smokin...
作者:S. Niemelä , J. Auvinen ...
来源:[J].European Psychiatry(IF 3.285), 2015, Vol.30, pp.173-173Elsevier
摘要:Background(#br)Longitudinal alcohol consumption in early adulthood has been studied, but reports from later adulthood are scarce.(#br)Objectives(#br)Finding longitudinal trends in alcohol consumption using prospective birth cohort data.(#br)Aims(#br)To investigate trends in self-...
作者:S. Niemelä , J. Auvinen ...
来源:[J].European Psychiatry(IF 3.285), 2016, Vol.33, pp.S118-S118Elsevier
摘要:Background(#br)Longitudinal studies on how temperament is related to alcohol use in general population are scarce.(#br)Objectives(#br)Finding relations with temperament and problematic alcohol use using prospective birth cohort data.(#br)Aims(#br)To investigate trends in sel...
作者:S. Niemelä , T. Karttunen ...
来源:[J].Digestive Diseases and Sciences(IF 2.26), 1989, Vol.34 (7), pp.1021-1024Springer
摘要:Abstract(#br) We have examined the relationship of Campylobacter - like organism (CLO) and duodenogastric reflux (DGR) in 107 patients with unoperated stomachs. Neither the extent of externally measured bile reflux nor the concentrations of bile acids or lysolecithin in the gastr...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×