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1.
绿色设计与绿色化学设计   总被引:7,自引:0,他引:7  
根据绿色设计的基本定义,特点,过程与原则,将绿色设计与传统设计与进行比较,阐述绿色化学设计的主要内容。  相似文献   

2.
绿色建筑小区雨水资源化综合利用技术   总被引:3,自引:0,他引:3  
运用生态学原理设计绿色建筑小区已逐渐成为潮流,节水与水资源利用的问题正日益受到关注.绿色建筑小区雨水资源化综合利用技术集成优化了小区雨水收集与分散处理系统、雨水集中收集与处理系统、雨水渗透系统等技术,具有投资省、处理效果好、管理方便等优点,适合为今后的绿色建筑小区雨水资源化综合利用建设参考.  相似文献   

3.
探讨了乡村绿色住区污水就地处置技术的可行性,结合西北黄土高原乡村绿色住区示范区建设,设计了黄土高原干旱半干旱乡村聚居区污水就地处置回用的工艺型式.  相似文献   

4.
工作流技术是一种反映业务流程的计算机化的模型,是为了在先进计算机环境支持下实现过程集成与过程自动化而建立的由工作流管理系统执行的业务模型。文章在分析绿色设计特点和工作流技术的基础上,给出了绿色产品设计的工作流流程管理系统的具体实施步骤。  相似文献   

5.
探讨了乡村绿色住区污水就地处置技术的可行性,结合西北黄土高原乡村绿色住区示范区建设,设计了黄土高原干旱半干旱乡村聚居区污水就地处置回用的工艺型式。  相似文献   

6.
熊辉 《污染防治技术》2003,16(Z2):166-167
对绿色文化的概念以及绿色文化与经济发展的作用进行了论述,并就如何培育和营造绿色文化提出了新观点.  相似文献   

7.
对绿色经济的认识   总被引:4,自引:0,他引:4  
当今世界,知识经济作为一种崭新的经济体系呈现在世人面前,已极大地影响着政治、经济、军事、外交、文化等各个领域,改变着人们的生产和生活方式,将对人类的进步、社会的发展产生难以估量的推动作用。知识经济就是“以智力资源的占有、配置,以科学技术为主的知识的生产、分配和使用(消费)为最重要因素的经济”。从知识经济的含义上来看,某种程度上是绿色经济的反映。学习外国经济管理思想史,不但可以观察到西方经济发展的轨迹,也可以预测到人类在经济发展中的一种趋同性,不管其社会价值、意识形态如何不同,但井不妨碍人们在经济…  相似文献   

8.
绿色水处理剂是水资源保护的重要环境材料,在水环境治理中发挥着重要作用,是环境工程的重要研究领域。因此,介绍了绿色水处理剂的概念,回顾了绿色絮凝剂、缓蚀阻垢剂、杀生剂及多功能水处理剂的发展与应用,最后展望了绿色水处理剂的发展趋势。  相似文献   

9.
环境保护部新闻发言人陶德田近日向媒体通报:2012年"六·五"世界环境日中国主题为"绿色消费你行动了吗?"旨在强调绿色消费的理念,唤起社会公众转变消费观念和行为,选择绿色产品,节约资源能源,保护生态环境。  相似文献   

10.
绿色高分子材料及其发展展望   总被引:2,自引:0,他引:2  
介绍了环境友好的绿色高分子材料的重要性,列举了几种可降解高分子材料的类型及其特性,从可降解塑料的研制方面谈及充分、合理地利用资源,同时展望绿色高分子材料的应用前景。  相似文献   

11.
Background and Goal The object of Green Chemistry is the reduction of chemical pollutants flowing to the environment. The Chemistry and the Environment Division of EuCheMS has assumed Green Chemistry as one of its areas of interest, but one question to solve is where Green Chemistry should be placed within the context of Chemistry and the Environment. The concept of Green Chemistry, as primarily conceived by Paul Anastas and John Warner, is commonly presented through the Twelve Principles of Green Chemistry. However, these Twelve Principles, though fruit of a great intuition and common sense, do not provide a clear connection between aims, concepts, and related research areas of Green Chemistry. These two unsolved questions are the object of the present article.Discussion Green Chemistry is here placed as a part of Chemistry for the Environment, concerning the still non-existent pollutants. Indeed, the object of Green Chemistry is the reduction of pollution and risks by chemicals by avoiding their generation or their introduction into the biosphere. The distinction between pollutant chemicals and dangerous chemicals, along with the consideration of the exhaustion of fossil resources and the acknowledgement of the harmful effects of the chemicals employed in a great variety of activities, leads to the recognition of four general objectives for Green Chemistry. In order to accomplish these general objectives, a number of strategies, or secondary objectives and some fundamental concepts, namely, atomic economy, selectivity, potential harm or historical harm can be visualized. A connection is finally established between the strategies and current and future research areas of Green Chemistry.Conclusion The ultimate aim of green chemistry is to entirely cut down the stream of chemicals pouring into the environment. This aim seems unattainable at present, but progress in the green chemical research areas and their application through successive approaches will certainly provide safer specialty chemicals and much more satisfactory processes for the chemical industry.- * The basis of this peer-reviewed paper is a presentation at the 9th FECS Conference on ‘Chemistry and Environment’, 29 August to 1 September 2004, Bordeaux, France.  相似文献   

12.
房地产开发建设项目环境影响评价的新问题探讨   总被引:1,自引:0,他引:1  
对房地产开发建设项目环境影响评价中出现的新问题进行了识别与分析,提出了需要将建筑节能、室内环境质量影响评价引入建设项目环境影响评价的基本内容,并针对绿色概念的实施机制进行了探讨。讨论了房地产开发建设项目环境影响评价中需要重视的内容。  相似文献   

13.
中国有机食品的研究与发展前景   总被引:3,自引:0,他引:3  
介绍了有机食品的基本概念和有机食品所应具备的条件,并比较了有机食品与绿色食品的区别与联系;在对国内外有机食品的发展概况和中国发展有机食品的有利条件的全面论述和分析的基础上,阐明了中国有机食品的发展不仅有着良好的国内外市场,而且有着广阔的前景。  相似文献   

14.
采用柠檬酸盐溶胶-凝胶法制备了Fe/Ce/沸石负载型芬顿催化剂,通过透射电镜(TEM)和X射线衍射(XRD)对其进行表征,并将其作为非均相类芬顿催化剂处理孔雀石绿染料溶液。研究表明,通过掺杂Ce,可提高催化剂颗粒分散度和催化剂表面的氧气含量,进而提高催化活性。在催化剂投加量3.0 g/L,H2O2投加量67 mg/L,pH=8.0的条件下,反应30 min后,浓度为150 mg/L的孔雀石绿溶液脱色率可达97.3%。  相似文献   

15.
TAS-986型石墨炉原子吸收光谱法测定绿茶中的微量硒   总被引:1,自引:0,他引:1  
利用加入基体改进剂NiNO3,采用TAS-986型石墨炉原子吸收光谱法,对绿茶中的微量硒进行测定分析,结果RSD〈5.0%,回收率在99.0%-100.2%之间。该法简便、快速,测定结果准确可靠。  相似文献   

16.
Manure amendment in agricultural practice can have a large effect on herbicide dissipation because the period of manure plowing is close to the period of herbicide application. In addition, manure amendment is among the frequently encountered options in ameliorating pesticide pollution. In this research, the dissipation of the herbicide pendimethalin was examined after amendment with two common green manures, Lupinus luteus (L) or Cosmos bipinnatus (C), for 110 days in pH 5.2 and 7.7 soils (Sankengtzu [Sk] and Erhlin [Eh] soil, respectively). The microbial activity and ecology changes were examined by using Biolog EcoPlate and denaturing gradient gel electrophoresis (DGGE). In Sk soil, the half-lives of pendimethalin with L, C, and blank treatment were 49.0, 54.9, and 62.2 days, respectively, whereas that in Eh soil they were 46.3, 52.6, and 34.8 days, respectively. Pendimethalin dissipated quickly in more neutral soil (Eh soil), but the addition of manure can only increase the dissipation rate in acidic soil (Sk soil), indicating that the amendment of manures exerted different effect in pendimethalin dissipation rates in different pH soils. The application of pendimethalin and/or manure altered the microbial community activity after 24 h of incubation. After 110 days, the microbial community activities in green manure–amended soil were more similar to that with blank than pendimethalin treatment in both types of soils. In comparison with treatment C, microbial communities were more similar between treatment L and blank, indicating the superior effect over pendimethalin on microbial communities when applying Lupinus luteus. The research showed that the application of herbicide pendimethalin changed soil microbial community, and the amendment of manures exerted different effect in pendimethalin dissipation rates in different pH soils. It is assumed that the change in dissipation rates was originated from the microbial community change after different manure amendment.  相似文献   

17.
以泡沫镍为载体,钛酸丁酯为原料,采用溶胶-凝胶法制备Pr-N共掺杂TiO2光催化剂。利用X射线衍射(XRD)、紫外-可见漫反射光谱(DRS)、扫描电镜(SEM)对催化剂进行表征,结果表明,Pr和N的掺杂抑制了TiO2从锐钛矿晶型向金红石晶型的转变,提高了催化剂在可见光区的吸收能力。以孔雀石绿为目标模型化合物,利用正交实验得出当n(Pr)∶n(N)∶n(Ti)为0.0020∶0.2∶1、焙烧温度为400℃时制得的催化剂活性最高。同时,考察了Pr-N共掺杂、Pr掺杂、N掺杂及TiO2对孔雀石绿降解并利用傅立叶红外光谱对降解产物进行分析,实验表明,Pr-N共掺杂之后催化剂对孔雀石绿的降解率较改性之前提高了1.6倍。  相似文献   

18.
玄武湖蓝藻水华应急治理成效分析   总被引:8,自引:0,他引:8  
2005年9-10月间,以粘土法为主,对玄武湖蓝藻水华进行了应急治理。经监测表明,应急治理有效抑制了蓝藻水华,湖区景观明显改善。形成蓝藻水华的微囊藻,各湖区下降幅度大于95%。综合污染指数、富营养化程度均有不同程度的降低,水体透明度提高0.14m,水质化学耗氧量、高锰酸盐指数、总磷浓度大幅降低,但生态补水主要流经区域pH无明显改善,各湖区总氮超标率有所上升。浮游植物数量下降93%,浮游动物种群数量上升47%,底栖动物种类数量无显著变化。相对静止水域细菌总数持平,生态补水流经区域细菌总数下降幅度较大。治理期间未发现大型水生植物、鱼虾批量死亡。沉积物中,铜、铅、砷含量无明显差异,汞含量升高,但低于往年监测水平,有机质略有升高,总磷含量有较大幅度上升。  相似文献   

19.
上海市城市绿地土壤特性及对雨洪削减效应的影响   总被引:8,自引:0,他引:8  
研究了上海市5个功能区城市绿地土壤的特性,分析了它们在各功能区的分布规律及造成差异的影响因素,并对上海市利用绿地蓄渗雨洪的潜力进行了计算分析.结果表明,上海市城市绿地土壤质地以粘壤土、砂质粘壤土和壤质粘土为主;城市绿地土壤由于受人为活动的影响,土壤物理性质发生了显著变化,土壤容重增大,孔隙度和渗透性降低,压实现象普遍;土壤的入渗速率差异较大,以文教区和居民生活区为最好,其后依次为公园、商业活动区、道路交通区.对绿地面积比为20%的功能区,在一年一遇的设计暴雨重现期内,绿地蓄渗雨水效果随土壤入渗速率的增大而增大,且下凹式绿地的蓄渗效果明显优于平绿地.  相似文献   

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