发展绿色产品保护生态环境

浙江金洲集团股份有限公司是一家大型管道专业制造企业 ,是全国最大的管道科研生产基地之一 ,其主要防腐产品大口径涂敷钢管、钢塑复合管、铝塑复合管和热浸镀锌钢管畅销国内 2 0多个省市 ,产量位居同行业榜首。公司在取得经济效益的同时 ,将环保工作与创业宗旨、企业命运紧密结合 ,把节能降耗、清洁生产、污染防治、生态保护作为工作重点 ,使经济建设和环境保护同步规划、同步发展、同步提高。从建厂初期的简单设施中萌芽环保意识进展到 1 997年已超前控制烟尘排放 ;从 1 985年靠集资搞环保发展到现今投入近千万资金积极遵循环保这个“导航…     

汉江上游小流域土地利用及水土流失初探

汉江流域丹江口库区是南水北调中线工程的水源地，其周边及上游流域生态环境对于保证库区生态安全具有重要意义。利用汉江上游流域的数字高程模型进行子流域划分，分析了汉江上游及子流域的土地利用／土地覆盖特征，并结合利用土壤侵蚀强度分级标准和数字高程图（DEM），对流域的水土流失进行初步估算。研究结果表明，除丹江口库区周边及汉中盆地的森林灌丛覆盖率相对较低之外，其它亚流域的森林覆盖率都在50％以上。上游中部地区的水土流失现象较为严重，尤其是大巴山的北坡和秦岭的旬河流域，而汉中盆地与丹江口库区周边的水土流失相对较轻。研究结果可为流域的环境治理及生态恢复提供支撑，对南水北调中线工程水源地保障具有重要意义。     

新型泡沫塑料救生衣的研制

基于自行研制的体积质量仅0．034g／cm^3、手感柔软的NBR／PVC共混改性的救生衣用泡沫浮力材料、采用模压成型技术制得的边角圆润、质量一致性好的泡沫浮力内芯，成功地开发出新型泡沫塑料救生衣，适体且性能优良，便于人体各种活动。     

小公民,大德育--广州市番禺市桥中心小学创建绿色学校侧记

踏进番禺市桥中心小学的第一感觉是闹中取静,穿越闹市区的一身燥热也被满地清凉洗涤一空.     

A framework for policy formulation for small-scale mines: the case of coal in China

The effective management of small-scale mines is one of the major challenges for governments in the mining sector. Small-scale mining may bring tangible, short-term benefits to the communities involved. However, these benefits are frequently outweighed by the costs incurred in terms of illness, injury, pollution, waste of natural resources and market distortions. Governments, international agencies and advisers are generally able to draw up lists of actions which are required to regulate and manage small-scale mines more effectively, but turning plans into sustained action has proved more difficult. Two aspects of policy implementation are crucial to success: the alignment of interests, and the attitude and effectiveness of government. Using a case study of township and village coal mines in China, this article develops an approach to analysing these issues that could assist regional policy makers and advisers in formulating policy, in identifying key obstacles to policy implementation, and in identifying particular parties which need to be infiuenced or educated in order for the policy to succeed.     

大气中硫氧化物预测模型的建立

通过研究大气中硫氧化物与气象因素之间的相关关系,从而建立起城市大气中硫氧化物的统计预测模型,该模型经验证,实用可靠.     

上海市推行清洁生产的探索和展望

从清洁生产是新的工业文明的高度,阐明了上海推行清洁生产的紧迫性。围绕近年来上海在推行清洁生产工作的6个方面的实践,提出了到2000年,上海推行清洁生产规划的9点构思,为决策提供科学依据。     

高校实验室风险信息分类及采集传输系统研究*

高校实验室突发事故发生后,为准确获取灾情信息,实现快速响应和紧急救援,研究救援现场风险信息快速采集技术,按固有信息和动态信息对风险信息进行分类和编码,建立实验室风险信息采集传输系统,以某高校实验室着火事件为例,模拟应急响应全过程。结果表明:风险信息采集传输系统实现了信息的实时采集与上报以及救援资源的合理分配与管理,研究结果可促进高校实验室应急服务领域的技术进步和创新。     

考虑洪涝灾害风险的城市应急避难场所选址研究*

为解决洪涝灾害下城市应急避难场所选址优化问题,将洪涝灾害风险评估与选址模型相结合。首先,运用灰色模糊综合评价法对洪涝灾害风险进行评价,得到洪涝灾害风险综合指数。然后,将综合指数归一化处理后作为权重引入疏散距离最小化和覆盖人口最大化的目标函数,结合最小化避难所数量,以最大服务范围、容量作为约束,构建引入洪涝灾害综合风险权重的多目标应急避难场所选址优化模型,并采用遗传算法对模型进行求解。最后,以武汉市作为实证研究对象验证模型的科学性和有效性。研究结果表明:在考虑洪涝灾害风险的情况下,应急避难场所选址方案可在接近最优解的情况下达到最优。研究结果可为城市防洪应急避难场所布局优化提供参考。     

The key role of inoculated sludge in fast start-up of sequencing batch reactor for the domestication of aerobic granular sludge

Two types of inoculated sludges, granular sludge that had been stored at-20°C and activated sludge, were investigated for the domestication of aerobic granular sludges(AGSs in sequencing batch reactors(SBRs). The results showed that using the stored granular sludge as inoculation sludge could effectively shorten the domestication time of AGS and yielded mature granular sludge after 22 days of operation. The AGS domesticated by stored granular sludge had better biomass and sedimentation properties; its MLSS and SVI reached8.55 g/L and 35.27 mL/g, respectively. The removal efficiencies for chemical oxygen demand(COD), ammonium nitrogen(NH_4~+-N) and total phosphorus(TP) reached 90.76%, 97.39% and 96.40%, respectively. By contrast, 54 days were needed to obtain mature granules using activated sludge. The microbial community structure was probed by using scanning electron microscopy(SEM) and high-throughput sequencing. The results showed that the diversity of the microbial community in mature granules was reduced when stored granular sludge rather than activated sludge was employed as inoculation sludge, and the dominant microbes were changed. The dominant species in mature granules domesticated using stored granular sludge were Zoogloea, Acidovorax and Tolumonas at the genus classification level, while the dominant species were Zoogloea and TM7-genera in granules developed from activated sludge.