China urgently needs to develop methodologies for environmental risk assessment ( era ) and to identify risk stressors and their environmental exposure and adverse effects on a regional scale 摘要随着环境中能够检出的有毒污染物种类不断增多，基于制定环境标准来控制有毒污染物的传统方法正在受到挑战，而环境风险评价研究己成为当前环境领域研究的热点。
The steering committee is in the process of perfecting the university s greening and tree felling policy , refining procedures and guidelines for decision - making , delegating responsibilities , monitoring and implementation 大学环境事务督导委员会正致力优化校园绿化和砍树政策，完善环境决策制度，设立良好的决策架构和工作流程，以及制订清晰的环境标准和指引。
A condition or set of conditions encompassing upper and lower processing limits and circumstances , within standard operating procedures , which pose the greatest chance of product or process failure when compared to ideal conditions 指的是一个或一组围绕工艺限度和环境标准上下限波动的范围，包括标准操作程序，并包括相对理想条件下的产品或工艺失败的最大机会。
It is time to apply the highest environmental standards to the new and existing building stock if we are to tackle climate change and achieve high quality design for communities where people will want to live now and in the future . 要想处理好气候变化问题，要想为现在和将来要住在社区里的人完成高质量的设计，现在是将最高环境标准应用于新的及现存的建筑群中的时候了。 ”
It is a mode of protection trade that the developed countries utilized gap in the protection environment between the developing ones and them . what ' s more , many products are high pollution , wasted resource and uncirculation in the developing countries 发达国家利用发展中国家与其保护方面的差距，产品多数为高污染、费资源、不可回收的产品，从而制定出各种环境标准，以保护人类健康和环境的名义构造出的形形色色的贸易保护方式。
According to principles of equity and environmental sustainability , firstly , developing countries must establish appropriate environmental standards and demand appropriate ecological compensation from the developed countries for their over - exploitation of natural resources in the poor countries 为此，应在理论和政策上加大研究力度。根据权利对等原则和可持续发展的原则要求，第一，我们必须确保发展中国家在制订环境标准问题上的自主权。
Analysis indicated that soil environmental quality of orchards was good as a whole . 2 orchards reached producing environmental standard of safe , healthy , high quality farm outputs , accounting for 6 . 45 % ; 21 orchards won standard of environmental technical terms for green food production area , accounting for 67 . 74 % ; 8 orchards accorded with standard of green food production area 结果表明，上海市果园土壤环境品质整体尚好，其中有2个果园符合安全卫生优质农产品（或原料）产地环境标准，占6 . 45 % ； 21个果园符合绿色食品产地环境技术标准，占67 . 74 % ； 8个果园达到无公害食品产地环境标准。
The study tries to repair those limitations . the article is divided into five parts : the first part analyzed theoretical and historical relations between trade and environment , showed the historical reason of the gtb ; the second part analyzed the construction of gtb , including gtb ' s history , contents , characters and trends ; the third part coordinated the non - wto contents of gtb , including green package , environment symbols , environment standards and authentication , international environment laws ; the fourth part analyzed relations between gtb and wto , such as tbt and sps and so on ; and at last in the fifth part of the study , the author researched the interactions in gtb and the development of china ' s economy , and the policy advice was given after that 文章共分为五个部分，第一部分进行了贸易与环境关系的理论和历史分析，揭示了绿色壁垒问题产生的历史渊源；第二部分对绿色壁垒的构成体系进行了剖析，介绍了绿色壁垒的历史沿革、内容、特征及趋势；第三部分就绿色壁垒问题中的非wto内容进行了梳理，分析了有关绿色包装、环境标志、环境标准与认证以及国际环境法规等方面的内容；第四部分对绿色壁垒有关wto部分的内容进行了分析，探讨了绿色壁垒与wto之间的关系、 tbt与sps以及其他方面的内容；最后在第五部分中针对绿色壁垒与中国经济发展之间的互动关系进行了探讨和研究，并给出了作者的政策建议。
The origin of theoretic conflict is discussed through different methods , different angles are disclosed of the hotspots that different standards play a role in environment quality . the divarication on specialization of environment density products in industry structure is argued . at last , the pollution control effect on competition is studied by theoretical model 从理论发展的不同脉络为线索分析南北矛盾的产生，从双方争论的热点问题探讨环境标准的差异对南北国家环境状况影响的不同理论视角，分析了南北双方产业结构中环境密集产品的专业化上存在的分歧，最后采用理论模型研究污染控制对国际竞争力的影响。
The contents of andrographolid and 14 - deoxy - l1 , 12 - didohydroandro - grapho | ide contained in leaves of androgrphis paniculata , were analy / ed by reverse ; phase 1iplc . the result of the analyses indicated that the highest , contents of andrographolide and 14 - deoxy - ll , 12 - diclehydroandrographolide were found in the t samples cultivated in zhanjiang and raoping 二、实验研究(一)种植基地考察通过对广东省内传统的穿心莲栽培地区饶平、湛江和广州三个市县基地的调查，并参照gap标准中的环境标准进行了水分和土壤的检测。
