【摘 要】
:
[目的]了解北京市通州区成年居民的吸烟状况。[方法]采用PPS抽样和配额抽样,对通州区15个乡镇(街道)、66个行政村(居委会)的7319名常住成年居民进行吸烟情况问卷调查,内容
【机 构】
:
TongzhouDistrictCenterforDiseaseControlandPrevention,Beijing
论文部分内容阅读
[目的]了解北京市通州区成年居民的吸烟状况。[方法]采用PPS抽样和配额抽样,对通州区15个乡镇(街道)、66个行政村(居委会)的7319名常住成年居民进行吸烟情况问卷调查,内容包括人口学特征、吸烟率、烟龄、平均每天吸烟支数、有无戒烟打算等。
其他文献
DNA nanotechnology provides a robust method for building nanoscale architectures.The programmable surfaces of 2D DNA origami provide an idea functional temp
In this presentation,novel carbon based electronic and electromechanical devices will be introduced.Carbon nanotubes(CNT)and graphene were utilized for the
Photonic devices possess the capability to source,detect,and control light,which makes it ideal to be used in the wide range of applications such as for ind
Recently,inspired by the extraordinary physical and chemical properties of graphene,great research effort has been devoted to develop functional graphene-en
In recent years,Dr Liu has been leading research on multi-function characterisation of surface properties.It is especially concerned with surface properties
Short-pulsed and ultrafast lasers are increasingly being adapted in industrial processes due to the inherent flexibility,high resolution and cost-effectivin
Laser surface texturing of battery materials(electrode,current collector,separator)is developed in order to generate advanced 3D electrode architectures wit
[目的]了解金山区公共场所相关人员的吸烟现况,为开展公共场所控烟工作提供依据。[方法]2011-2015年每年抽取金山区学校、卫生机构、餐饮场所、互联网场所、娱乐场所、星
大量研究表明,二手烟不存在安全暴露水平,只有完全无烟才能真正保护公众的健康。天津市于2012年5月31日起正式实施《天津市控制吸烟条例》,以法律手段约束公共场所吸烟行为
— DNA sequencing using biological nanopores — Graphene nanopores — Nanoplasmonics for DNA sequencing — Nanopore sequencing of proteins.