青霉菌X5对活性艳蓝KN-R脱色研究

采用梯度平板筛选法，从染布厂废水池污泥中分离到一株对蒽醌染料KN－R有较强脱色能力的青霉菌X5（Penicillium sp.)，并考察该菌在不同温度，pH，培养时间，染料浓度，菌量及不同碳源氮源条件下对活性艳蓝KN－R的脱色情况，结果表明,在20－40℃温度范围内该菌对活性艳蓝KN－R的脱色率均在95％以上，其最佳脱色温度为25℃，pH为4．0，培养时间为48h，染料浓度，菌量对染料脱色有一定影响，该菌对碳源、氮源具有较宽适应范围，在最佳条件下，该菌对染料的脱色率达99．3％。     

阳离子艳红染料的光催化降解

本文研究了以沉淀法制备的TiO2为催化剂，紫外杀菌灯为光源，对阳离子艳红染料进行光催化降解的可行性，结果表明，在实验条件下，本系统对阳离子艳红染料有明显的降解效果，浓度为10mg/L的阳离子艳红染料经过30min的处理，其降解率＞88％，此外，还探讨了溶液初始pH值，催化剂的投加量，光照距离和液层高度等因素对光降解反应的影响。     

B级钢侧架圆角细节耐久性力学模型研究

根据Paris公式推导出适用于B级钢圆角细节耐久性分析的 ,在一定裂纹尺寸范围内的裂纹扩展速率公式及其检验方法 ,笔者模拟货车B级钢转 8A侧架的导框弯角内侧 (A区 )的圆角细部进行耐久性实验 ;以试验数据的检验证明 ,在 0 .4～ 4mm的尺寸范围内 ,选用的断裂力学模型是合理的 ;同时为建立合理的检修周期和寿命体系提供理论模型和安全评价基础。     

国内外地震保险概况

从承保方式、保险金额、费率和理赔几方面叙述了国内外现行地震保险政策。回顾了我国地震保险的发展。建议在我国可实施局部强制地震保险、实行低费率政策和提供无偿最低救济金等措施。     

Leaching Induced Changes in Substrate and Solution Chemistry of Mine Soil Microcosms

Leaching of soluble salts formed as the result of pyrite oxidation and primary mineral weathering is a major process in mine soil development. A microcosm experiment was designed to study leaching rates from mine soil columns under controlled laboratory conditions. Objectives of this experiment were to investigate the effect of leaching and the effect of fly ash amelioration on mid- to long-term chemical soil properties, and to test whether the results are qualitatively comparable to long-term field studies along a site chronosequence. The leaching experiment was conducted over a period of 850 days representing a kind of time-lapse picture due to high water fluxes. Leaching resulted in more favourable mid- to long-term properties of mine site topsoils, especially a reduced risk for acidity and salt stress. Ash amelioration decreases leaching rates by increasing pH and Al and Fe precipitation. It could be shown that the results of the column leaching studies are qualitatively in good agreement with field observations at least for long-term considerations. By enhancing the leaching process mid- to long-term chemical soil properties can be estimated.     

Biodegradation of Crude Oil Contaminating Marine Shorelines and Freshwater Wetlands

This paper is a summary of the various factors influencing weathering of oil after it has been released into the environment from a spill incident. Special emphasis has been placed on biodegradation processes. Results from two field studies conducted in 1994 and 1999 involving bioremediation of an experimental oil spill on a marine sandy shoreline in Delaware and a freshwater wetland on the St. Lawrence River in Quebec, Canada have been presented in the paper.     

环境责任保险的运作机制

环境责任保险是以被保险人因污染环境而应承担的损害赔偿和治理责任为标的的责任保险形式，是为排污企业设置的一道公共安全网，同时也使社会公众能够即时、充分地获得损害赔偿。为了更好的发挥环境责任保险分散风险、消化损失的功能，在运作机制的设计上应采取差别保险费率、强制保险和由政府给予支持的制度。     

混凝法从利福霉素SV钠药渣中回收蛋白质的研究

研究用钙盐和Polyacrylamide(PAM)混凝的处理方法,从利福霉素SV钠药渣中回收粗蛋白.药渣含水89%左右,具有蛋白质胶体溶液的性质.处理后机械脱水率提高到64%以上.与盐析法比较,机械脱水能耗上升,而处理药剂成本大幅度下降,产品成本降低200元/T左右.     

袋式除尘器在锅炉干法脱硫系统上的应用

在干法脱硫系统上，用长袋低压脉冲袋式除尘器取代电除尘器，即可提高除尘效率，也可提高脱硫效率。     

Conversion regular patterns of acetic acid, propionic acid and butyric acid in UASB reactor

On the basis of continuous tests and batch tests, conversion regular patterns of acetate, propionate and butyrate in activated sludge at different heights of the UASB reactor were conducted. Results indicated that the conversion capacity of the microbe is decided by the substrate characteristic when sole VFA is used as the only substrate. But when mixed substrates are used, the conversion regulations would have changed accordingly.Relationships of different substrates vary according to their locations. In the whole reactor, propionate‘s conversion is restrained by acetate and butyrate of high concentration. On the top and at the bottom of the reactor, conversion of acetate, but butyrate, is restrained by propionate. And in the midst, acetate‘s conversion is accelerated by propionate while that of butyrate is restrained. It is proved, based on the analysis of specific conversion rate, that the space distribution of the microbe is the main factor that affects substrates‘ conversion. The ethanol-type fermentation of the acidogenicophase is the optimal acid-type fermentation for the two-phase anaerobic process.