نتایج جستجو برای: townships

تعداد نتایج: 659  

Journal: :Tobacco control 2005
T-w Hu Z Mao Y Liu J de Beyer M Ong

OBJECTIVES To analyse differences in smoking behaviour and smoking expenditures among low and high income households in China and the impact of smoking on standard of living of low income households in China. METHODS About 3400 urban and rural households from 36 townships/districts in southwest China were interviewed in 2002. Cross tabulations and regression analysis were used to examine the ...

Journal: :International journal of environmental health research 2011
Yi Hu Jinfeng Wang Jun Zhu Dan Ren

More than two years after the 2008 earthquake in Wenchuan, China, the total number of lives lost remains unclear, particularly for children under five years old. Mortality for this age group can be estimated using a variety of techniques, but sample proportion estimates may be unreliable in areas with low populations of children under five. To address this problem, we propose a hierarchical Bay...

2017
Fuqiang Cui Lipin Shen Li Li Huaqing Wang Fuzhen Wang Shengli Bi Jianhua Liu Guomin Zhang Feng Wang Hui Zheng Xiaojin Sun Ning Miao Zundong Yin Zijian Feng Xiaofeng Liang Yu Wang

China's hepatitis B virus (HBV) prevention policy has been evaluated through nationally representative serologic surveys conducted in 1992 and 2006. We report results of a 2014 serologic survey and reanalysis of the 1992 and 2006 surveys in the context of program policy. The 2014 survey used a 2-stage sample strategy in which townships were selected from 160 longstanding, nationally representat...

Journal: :Leprosy review 2007
Shumin Chen Yunchun Zheng Min Zheng Demin Wang

The prevalence of leprosy fell below 1 per 100,000 in Shandong province in 1994. Since then, a few incident leprosy cases have been reported each year over the past 10 years. In order to explore whether or not the reduction in case detection in the province was due to the stopping of active case-finding activities, a rapid village survey was conducted in a formerly endemic county, using skin di...

Journal: :Sustainability 2023

In order to improve the operational efficiency of public transportation systems in rural areas, we investigated demand-responsive customized bus vehicle route optimization problem. First, a two-stage planning model describing problem reservation phase and real-time was constructed with objectives minimizing operating cost operator travel time passenger, passenger window, characteristics, rated ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید