Women's opinions on the offer and use of maternal serum screening

We studied the opinions and experiences concerning maternal serum screening of two groups of women: (A) women who were not eligible for prenatal diagnosis; and (B) women for whom prenatal diagnosis was available because of advanced maternal age, and who either underwent chorionic villus sampling or amniocentesis. Many of the women were in favour of the availability of serum screening and would apply for this test in a future pregnancy. This applied also to many respondents who had previously undergone prenatal diagnosis. Most of these women, however, did not intend to decline diagnostic amniocentesis if the screening results did not indicate an increased risk. The majority of the group of respondents of 36 years and over did not consider it acceptable if age indication was dropped altogether. A system based on serum screening will have other implications than a policy based on age indication, since specific individual risk assessment is perceived as being of more significance than a risk statistically derived from age alone. Serum screening is often seen as a means of reassurance and many women are not aware of the possible drawbacks. As technology becomes increasingly complicated, counselling has to be adjusted correspondingly. Further research is needed to establish whether and how distress can be minimized and well-considered individual choice can be achieved.     

广西近岸海域水质现状与发展趋势

根据１９９０－１９９８年广西近岸海域的水质监测，对该区水体的质量作出分析和评价。结果表明：广西近岸海域水质状况良好，但部分河口、海湾等区域受到一定程度的污染，主要污染物质是耗氧有机物和无机氮。     

Integrated environmental assessment: an urban perspective

１　ＩｎｔｒｏｄｕｃｔｉｏｎＵｒｂａｎａｒｅａｓｔｈｒｏｕｇｈｏｕｔｔｈｅｗｏｒｌｄａｒｅｉｎｃｒｅａｓｉｎｇｌｙａｆｏｃｕｓｏｆｅｎｖｉｒｏｎｍｅｎｔａｌｃｏｎｃｅｒｎ．Ｔｈｅｙａｒｅｐｌａｃｅｓｏｆｉｎｔｅｎｓｅａｎｄｇｒｏｗｉｎｇｅｃｏｎｏｍｉｃａｃｔｉｖｉｔｙ．Ｉｎｒｅｓｐｏｎｓｅ，ｕｒｂａｎｐｏｐｕｌａｔｉｏｎｓａｒｅｇｒｏｗｉｎｇｒａｐｉｄｌｙ．Ｉｔｉｓｅｓｔｉｍａｔｅｄｔｈａｔ，ｂｙ２０００，ｍｏｒｅｔｈａｎｈａｌｆｔｈｅｗｏｒｌｄ○ｓｐｏｐｕｌａｔｉｏｎｗｉｌｌｌｉｖｅｉｎｔｏｗ…     

Integrated assessment of urban environment in China

１　ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｔｅｇｒａｔｅｄｅｎｖｉｒｏｎｍｅｎｔａｌａｓｓｅｓｓｍｅｎｔ（ＩＥＡ）ｉｓａｆｕｎｄａｍｅｎｔａｌｍｅａｎｓｆｏｒｃｏｍｐｒｅｈｅｎｓｉｖｅｅｎｖｉｒｏｎｍｅｎｔａｌｍａｎａｇｅｍｅｎｔａｎｄｆｏｒｃｏｏｒｄｉｎａｔｉｎｇｔｈｅｒｅｌａｔｉｏｎｓｈｉｐｂｅｔｗｅｅｎｅｃｏｎｏｍｉｃｄｅｖｅｌｏｐｍｅｎｔａｎｄｅｎｖｉｒｏｎｍｅｎｔａｌｐｒｏｔｅｃｔｉｏｎ．ＩＥＡａｉｍｓｔｏｉｄｅｎｔｉｆｙｔｈｅｍａｉｎｅｎｖｉｒｏｎｍｅｎｔａｌｐｒｏｂｌｅｍｓｉｎａｒｅｇｉｏｎ…     

公路建设项目声环境后评价方法研究及其应用

通过对公路建设项目声环境后评价的概念和目的的讨论，对声环境后评价的主要内容作了较系统的研究，提出了公路建设项目声环境后评价的方法，重点介绍了声环境后评价的监测与调查和验证分析的方法，并将其应用到深汕西高速公路的环境影响后评价之中。     

丙烯腈装置火灾爆炸危险指数评价

运用美国道化学公司的火灾、爆炸危险指数评价方法(第七版)，对丙烯腈装置的火灾爆炸危险性进行定量计算和评价，为装置的安全管理提供依据。     

关于建立生态建设示范区生态环境质量综合评价体系的初步思考

文章介绍了我国生态示范区的建设情况以及生态环境质量评价的概念、方法及应用,指出了现有生态示范区生态环境质量评价体系的不足,立足于土壤、水、气、生物等系统环境,提出了江苏省生态建设示范区生态环境质量综合评价指标体系的初步框架.     

环境影响评价中的公众参与现状及其改进建议

通过对30多份环境影响报告书的分析,针对我国目前的公众参与现状及存在的问题,提出改进建议。     

量化风险评估(QRA)在海上生产设施风险管理中的应用

本文结合在胜利海区实施的量化风险评估工作，对量化风险评估在海上风险管理中的应用作一个简单的介绍。     

钛白副产硫酸亚铁的综合利用研究

以钛白副产硫酸亚铁、氯化钾和氨水为原料，采用硫酸钾铵法制取硫酸钾。实验结果表明，该工艺生产的产品，其质量达到ZBG-21006-89国家标准，且此工艺流程简单、操作方便、条件易控制，无二次污染。