医学 >>> 预防医学与卫生学 >>> 营养学 毒理学 消毒学 流行病学 传染病学 媒介生物控制学 环境医学 职业病学 地方病学 社会医学 卫生检验学 食品卫生学 儿少卫生学 妇幼卫生学 环境卫生学 劳动卫生学 放射卫生学 卫生工程学 卫生经济学 优生学 健康教育学 卫生管理学 预防医学与卫生学其他学科
搜索结果: 1-6 共查到预防医学与卫生学 Security相关记录6条 . 查询时间(0.093 秒)
Food insecure individuals do not always have access to adequate food for a healthy lifestyle and are at high risk of detrimental health outcomes. Researchers hypothesize that food insecurity leads to ...
Background:: Background: Today, occupational accidents are one of the most important problems in industrial world. Due to lack of appropriate system for registration and reporting, there is no accurat...
This study was carried out to discover: 1) Whether provision of medical care and social welfare affected the size of the family among laborers. 2) Compare laborers family size with that of the total p...
Background: A remarkable increase has been observed in hospital expenditure in many countries during recent years, drawing especial attention to the problem. This study was conducted to present one of...
16 March 2007,The qualities that have made the American food supply system so efficient—bulk production, just-in-time deliveries, fast turnover of stocks, rapid shipping to many different locations—ar...
Background: Food insecurity is a critical variable for understanding the nutritional status of low-income populations. However, limited research is available on the relation between household foo...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...