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991.
文中总结宿迁经济开发区环保工作现状,分析未来宿迁经济开发区面临:水环境质量未能根本好转、生活污染物排放量上升并成为主要污染问题、环境基础设施建设滞后于社会经济发展、工业企业污染存在反弹趋势、农村环境问题亟需关注、客水污染问题仍然存在等挑战,并提出了应对这些挑战的对策。 相似文献
992.
993.
Fetal magnetic resonance spectroscopy (MRS) is technically feasible in utero and demonstrates similar findings to those observed in neonatal populations. MRS can provide additional information to conventional T1- and T2-weighted imaging of the fetal brain. It is of particular use when subtle changes are present on conventional fetal MRI sequences, and when imaging fetuses at risk of brain injury and metabolic abnormalities. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
994.
中国城镇化态势分析和可持续城镇化政策建议 总被引:4,自引:0,他引:4
叶耀先 《中国人口.资源与环境》2006,16(3):5-11
在阐述今后15年中国城镇化面临的就业和收入差距、资源和环境、区域发展、政府管治等四大挑战之后,分析了到2020年中国城镇化水平年均增长0.6、0.8、1.0和1.2个百分点的4种态势。如按1978—2002年城镇年均提供636万人就业考虑,到2020年中国城镇化水平年均增长不宜超过0.7个百分点;如果考虑到2005年上半年城镇安排595万人就业,则城镇化水平年均增长1.2个百分点也是可行的。但是,对于所有4种态势,土地短缺都是一个棘手的问题。最后就可持续城镇化提出的政策建议包括:①引导农村富余劳动力向城镇有序转移;②贯彻落实大中小城市和小城镇协调发展的方针;③高效利用和节约资源,保护生态环境;④统筹城乡规划,加强对经济区发展的引导;⑤贯彻落实工业反哺农业,城市支持农村的方针;⑥建立多元化的城镇基础设施投资体制,大力吸引民间和国际资本;⑦全面推进城镇管理体制创新,制定公众参与政策;⑧坚持按城镇化的客观规律办事,控制地方政府的城镇化热情。 相似文献
995.
江苏省开发区土地集约利用潜力研究 总被引:7,自引:0,他引:7
开发区是土地利用的重要方式,特别是在促进土地集约利用方面起到了良好的示范和辐射作用。本文基于江苏省开发区典型调查的基础上,分析和测算了全省开发区土地集约利用的理论潜力,并结合江苏省资源禀赋特点和经济发展的制约因素剖析了理论潜力实现的可能性及途径。结果表明,江苏省开发区2010年和2020年的土地集约利用理论潜力分别为261km^2和1069km^2;若能在劳动生产率和工业用地容积率等方面有所作为的话,江苏省开发区2010年和2020年的土地集约利用现实潜力将分别达210km^2和869km^2。这主要通过注重开发区投资主体的多元化、软硬件环境的不断完善和提高开发区的用地门槛来实现。 相似文献
996.
China''''s CDM Policies and Their Development Implications:Major Concerns for CDM Implementation 总被引:1,自引:0,他引:1
Zhu Xianli & Pan Jiahua Research Centre for Sustainable Development Chinese Academy of Social Sciences Beijing China 《中国人口.资源与环境(英文版)》2006,4(2)
Most CDM (Clean Development Mechanism) opportunities exist in some large industrializing developing countries. For instance, China is estimated to take 48% of the world potential for CDM project activities. In reality, however, the share by China over the CDM projects registered and CDM projects in the pipeline is less than 10% as of Auguest 2005. This paper will examine the reasons behind, as reflected in China's CDM policies. Further investigation will be made into the use of these policies to boost the country's sustainable development, the sustainable development implications and effects of these policies. In addition, it is noted that incompatibility of some other Chinese laws and policies can be responsible for the low level and slow pace of CDM implementation in China and some suggestions are offered for promoting CDM project activities in China. There also exist barriers at the international level that impedes implementation of CDM project activities. A conclusion is drawn that CDM policies in a developing country like China aim mainly at promotion of sustainable development and to a lesser extent the generation of CERs. 相似文献
997.
A. C. Tabet A. Aboura M. C. Dauge F. Audibert A. Coulomb A. Batallan M. H. Couturier-Turpin G. Feldmann G. Tachdjian 《黑龙江环境通报》2001,21(8):613-618
Cytogenetic studies of spontaneous abortions or intrauterine fetal death depend on conventional tissue culturing and karyotyping. This technique has limitations such as culture failure and selective growth of maternal cells. Fluorescent in situ hybridization (FISH) using specific probes permits diagnosis of aneuploidies but is limited to one or a few chromosomal regions. Comparative genomic hybridization (CGH) provides an overview of chromosomal gains and losses in a single hybridization directly from DNA samples. In a prospective study, we analyzed by CGH trophoblast cells from 21 fetuses in cases of spontaneous abortions, intrauterine fetal death or polymalformed syndrome. Six numerical chromosomal abnormalities including one trisomy 7, one trisomy 10, three trisomies 18, one trisomy 21 and one monosomy X have been correctly identified by CGH. One structural abnormality of the long arm of chromosome 1 has been characterized by CGH. One triploidy and two balanced pericentromeric inversions of chromosome 9 have not been identified by CGH. Sexual chromosomal constitutions were concordant by both classical cytogenetic technique and CGH. Contribution of trophoblast analysis by CGH in embryo-fetal development anomalies is discussed. Copyright © 2001 John Wiley & Sons, Ltd. 相似文献
998.
系统阐述了长治市的社会经济发展及主要环境污染指标的变化趋势,利用库兹涅茨曲线对二者相互关系进行了相关性分析。 相似文献
999.
Voluntary and active participation by a wide variety of actors is a prerequisite for successful societal transitions towards sustainability. The ‘Commitment to Sustainable Development 2050’ is a national-level initiative in Finland, aiming to mobilise a large-scale transition involving various societal actors through openly communicated commitments to concrete actions. Each commitment should focus on at least one of the eight nationally defined sustainability objectives connected to the global Sustainable Development Goals. This article assesses the implementation and the development needs of the commitment process based on a range of materials. The results highlight the importance of securing adequate resources for long-term coordination and continuous development of the commitment process, trust creation through long-term and open communication, and flexibility allowing for experimentation aimed at finding new modes of interaction between the public and private sectors. 相似文献
1000.