safe-sex practices

There is a major challenge of improving the employment quality for world\'s major economies,namely,how to apply the flexibility and security of labor market to laborers and working institutions in the way of favoring laborers and working institutions.

对于全球各大经济体来说,在就业质量改进方面都存在着一个重大的挑战,即如何将劳动力市场的安全性与灵活性以同样有利于劳工和工作组织的方式有机结合起来。

An Analysis of the Security of Drinking Water in Rural Areas in Guilin City

桂林市郊区农村生活饮用水安全的调查分析

Analysis of security of drinking water in Yubei District of Chongqing during 2007

2007年度重庆市渝北区生活饮用水安全调查分析

Reflection on the Necessity of "Drinking Water Standard under Emergency"

对“应急状况下生活饮用水安全性评价标准”制定的思考

5.12 Dujiangyan Earthquake Life Safety Of Drinking Water

5.12地震灾后都江堰市生活饮用水的安全保障

Analysis of Chemical Characteristics of Drinking Water and Water Safety Assessment in the New Rural of Pengyang

彭阳县新农村生活饮用水化学特征分析与水质安全评价

NF is an Effective Ensuring for Production of Safe Drinking Water;

NF——安全饮用水生产之有效保障

Measures and Ways to Deal With Safety of Drinking Water After Earthquake

地震灾后饮用水卫生安全对策与措施

Study on Drinking Water Security on Water Treatment by Activated Carbon Process;

饮用水深度处理活性炭工艺水质安全性研究

Examining quality of daily drinking water engineering and analysis of result in Yan′an

延安市农村生活饮用水工程水质检测结果分析

Survey of periodic safety of barreled drinking water in Jining City

市售桶装饮用水饮用周期安全性调查

Disease and epidemic surveillance networks will be established and supervision and law enforcement will be exercised over public hygiene, especially with regard to food, drinking water and other health-related products.

强化以食品卫生为主的公共卫生监督执法，保证食品、生活饮用水等与健康相关产品的安全卫生。

A Pollution Incident of Drinking Water in Yaan Urban Area

2008年雅安市一次城区生活饮用水污染事件分析

The Drinking Water Price of Safety Drinking in Rural Area and the Post-evaluation of Drinking Project

农村安全饮用水水价及饮水工程后评价

Water Quality and Hygiene Status of Rural Drinking Water in Anhui Province

安徽省农村生活饮用水水质变化与卫生状况调查

Analysis on Safety of Drinking Water Source in Xi'an City

西安市城市饮用水源地安全状况浅析

Dinking Water Safety and Water Treatment Technology in Rural Areas

农村饮水安全及水处理技术应用研究

availability of safe water and adequate sanitary facilities by 1990 1990

年供给安全饮水和适当卫生设施

Hygienic Evaluation of Drinking Water Safety Project in Countryside of Ya'an in 2008

2008年雅安市农村饮水安全工程水质卫生学调查