利用成都枢纽西环线开行城市列车的探讨

介绍国内外城市铁路发展现状,结合成都铁路枢纽现状和城市轨道交通发展,分析利用成都枢纽西环线改扩建后的富余能力开行城市列车的必要性和可行性,并对城市列车客流量进行预测,根据预测客流给出客车开行方案,以及与其他轨道交通方式的衔接。

海南西环线对沿线区域经济社会发展影响的研究

在分析海南西环线沿线经济社会状况的基础上,基于现有海南铁路对经济社会的影响,阐明海南西环线对沿线区域经济社会发展产生的积极影响,即完善综合交通运输网络,加快城镇化建设,凸显社会发展"乘数效应"。

昌九高速蛟桥互通改建工程过渡施工

南昌枢纽新建西环线铁路下穿昌九高速,为保证昌九高速畅通、正常运营,昌九高速蛟桥互通改建工程采取了半幅封闭施工、半幅通行的交替过渡施工,取得了良好的社会效益及施工效益。

Monitoring of Ionizing Radiation from Radon Gas （Rn-222） in Sao Jose Dos Campos--Brazil Region

It is common knowledge that we live in an environment which comprises ionizing radiation （X-rays, gamma rays）. These radiation in normal situations is produced by natural phenomena such as cosmic rays from different sources in Universe and the decay of radioactive elements present in the Earth planet atmosphere and crust. Ionizing radiation can also be produced by human activities such as those related to nuclear power generation and use in medicine and industry. Although ionizing radiations are part of our daily lives, few students or researchers have the opportunity to perform measurements and observations of the background radiation. To overcome this deficiency in education, we started a pilot project that propose measures and observations of environmental radiation background with students of the ITA （Technological Institute of Aeronautics, Silo Paulo）. Using compact and portable detector to observe gamma radiation like described in this work, many graduate students can participate.