多媒体教学在环境教育领域的应用

解决环境问题的重要环节之一是提高公众的环境保护意见，而环境教育是其重要途径。在分析了我国环境教育的现状和特点，以及计算机多媒体辅助教学在教育领域的应用和优势基础上，结合多媒体教学应用于环境教育领域的目的和意义，对多媒体教学在环境教育领域的应用作了探索，并提出了建议。     

棉纺车间噪声综合治理

介绍长达 95m的棉纺车间各噪声点的噪声起源及控制方法     

芝加哥河之友

1979年，一家著名的芝加哥杂志刊登封面文章报道了芝加哥河的污染情况，文章指出该河流被过度滥用，并且被人们忽视，最后作者感叹芝加哥河没有“朋友”。然而该河流还是有关心她的朋友的，就在那年的晚些时候．一些人聚集到了一起，并承诺要恢复芝加哥河的生态。他们成立了“芝加哥河之友”的团体，并投入精力关心河流的改善状况。     

炼油污水回用新工艺中试研究

采用曝气生物滤池 过滤 电吸附工艺对炼油厂二级生化出水进行深度处理,可以进一步降低水中无机盐和有机污染物浓度,出水可以回用于循环冷却水系统作补水,达到节水减排的目的.     

因子分析及其在河网水质综合评价中的应用研究

对因子分析方法在天然水体水质评价中的应用进行研究,证明在数据较为缺乏的情况下,使用因子分析方法可以损失较少信息,减少评价指标,针对主因子进行分析,使水质评价结果更为合理和有效。同时,利用因子的得分值还可以将不同地区进行比较分析。应用因子分析对河网地区典型河流的水质状况进行分析,发现了增长潜力较大的主要因子,并对该地区的水质状况做出了符合实际的总体评价,表明因子分析在水质评价中具有重要应用价值。     

Shifted power-law relationship between NO2 concentration and the distance from a highway: A new dispersion model based on the wind profile model

In this paper, a shifted power-law model, based on the wind profile model, had been supposed to simulate concentration gradient of nitrogen dioxide (NO₂) with distance from a highway. Field experiments were performed for NO₂ gradients from a highway in Shanghai by using passive samplers. The shifted power-law model was fitted well with experimental results of field experiments both in this study and in the literature. The results not only verified the validity of shifted power-law relationship between NO₂ concentration and the distance from a highway, but also partially demonstrated that there were some significant similarities between wind profile and air pollutants concentration profile near highway. With known concentration of chosen reference point and appropriate value of the parameter k, the model could be practically applied for predicting the NO₂ distributions near a highway. The methods of determining the parameter k were also discussed for further detailed studies.     

高效堆肥菌种的筛选及在城市污泥堆肥上的应用

分离筛选出了4株猪粪堆肥菌种,初步的分类鉴定表明它们均属于芽孢杆菌属.利用这些菌种制成混合菌剂,并进行城市污泥堆肥对比试验,结果显示,接菌处理在各项堆肥指标上明显优于未接菌的空白处理,自制菌与酵素菌在堆肥过程中具有非常相似的发酵能力,均能加快堆肥的升温速度,提高堆肥的最高温度,加快物料含水率的下降.说明自制菌不但可以应用于猪粪的堆肥发酵,在城市污泥高温堆肥方面也有很好的应用潜力.     

活性炭颗粒填充三维电极电化学烟气脱硫的研究

基于三维电极电化学技术较高的反应效率和不产生废弃物等优点,将这一先进的反应器运用到烟气脱硫领域.用活性炭作为工作电极,在通电状况下,将模拟烟气通入反应器发生反应.通过一系列试验,分析了填充床厚度、槽电压、进气流量、通电时间对脱硫率的影响,并且探讨了该反应的反应原理.     

Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment

Adding iron salt or iron hydroxide to sludgemixed liquor in an aeration tank of a conventional activated sludge processes (bioferric process) can simultaneously improve the sludge’s filterability and enhance the system’s treatment capacity. In view of this, Fe(OH)₃ was added to a submerged membrane bioreactor (SMBR) to enhance the removal efficiency and to mitigate membrane fouling. Bioferric process and SMBR were combined to create a novel process called Bioferric-SMBR. A side-by-side comparison study of Bioferric-SMBR and common SMBR dealing with dyeing wastewater was carried out. Bioferric-SMBR showed potential superiority, which could enhance removal efficiency, reduce membrane fouling and improve sludge characteristic. When volumetric loading rate was 25% higher than that of common SMBR, the removal efficiencies of Bioferric-SMBR on COD, dye, and NH₄ ⁺-N were 1.0%, 9.5%, and 5.2% higher than that of common SMBR, respectively. The trans-membrane pressure of Bioferric-SMBR was only 36% of that in common SMBR while its membrane flux was 25% higher than that of common SMBR. The stable running period in Bioferric-SMBR was 2.5 times of that in common SMBR when there was no surplus sludge discharged. The mixed liquor suspended solids concentration of Bioferric-SMBR was higher than that of common SMBR with more diversified kinds of microorganisms such as protozoans and metazoans. The mean particle diameter and specific oxygen uptake rate of Bioferric-SMBR were 3.10 and 1.23 times the common SMBR, respectively.     

新世纪的清洁能源--燃料电池

介绍了一种高效，环境良好的发电方式-燃料电池发电技术，阐述了燃料电池的发电原理及其开发现状，对其发展前景作了展望。