清江梯级水电厂集中控制优化调度

介绍了清江梯级水电厂开展集中控制优化调度过程中产生的效益、面临的问题,及对今后工作的建议及展望。     

火电“上大压小”企业人员分流问题的思考

结合我国某火电企业“上大压小”人员分流安置情况，阐述了“上大压小”的重要意义，分析了分流人员形成的原因及分流工作中存在的阻力与问题，分别针对分流人员、分流企业、政府提出了相应的解决措施，积极稳妥地做好分流人员的安置工作，以实现企业可持续发展与员工自身发展的和谐关系。     

上海市燃气电厂专线优化选择

管道物流作为物流的一个分支在燃气的运输方面起到了重要作用。作者通过把上海市燃气电厂专线配送管网系统采用物流运输方法模型进行了优化选择，获得了较经济的规划天然气配送方案，对其他管网的优化选择也具有实际参考意义。     

水力条件对芦苇湿地系统DO质量浓度的影响

就水位及水力负荷对湿地系统中DO质量浓度的影响进行实验。结果表明：随着水位的不断提高,芦苇湿地系统中的DO质量浓度呈现出不断升高的趋势,且在300～550 mm水位区间增加趋势比较明显,随着水位的再度升高,在550～650 mm水位区间DO质量浓度增加趋势趋于平稳;随着水力负荷的不断增加,芦苇湿地系统中的DO质量浓度呈现先增加后减小的趋势,本实验中最适合的水力负荷在0.8968～1.2230 m3/（ m2＆#183; d）之间。     

石佛寺人工湿地生态系统服务价值评估

本文通过野外调查结果,结合相关资料,选用市场价值法、影子工程法、生态价值法等对石佛寺水库的人工湿地生态服务价值进行了评估。结果表明,供水与蓄水、调蓄洪水、降解污染功能价值显著,说明石佛寺人工湿地自2009年形成以来,为人类生态环境和社会经济做出了巨大贡献。     

惠州 LNG 电厂二期冷却水工程物理模型试验研究

通过LNG电厂二期工程温排水试验研究,对工程近区的水力热力特性进行了分析,对电厂设计方案的合理性进行了论证,并提出了推荐方案,为工程的设计和环评工作提供了科学的依据。     

金沙江巨型梯级水电站群“调控一体化”技术保障系统的创新实践及发展思考

本文主要介绍了金沙江巨型梯级水电站群"调控一体化"技术保障系统的建设、运行情况。重点关注了成都调控中心自动化系统体系的整体构成以及创新技术等。结合系统建设以及实际运行经验,总结与分析了保障系统的技术特点,建设性地提出了"调控一体化"技术保障系统建设需要注意的问题以及相应的解决方法。     

Purification and utilization of garlic processing wastewater in lotus pond wetlands

Based on the experiments of utilization of garlic processing wastewater in a lotus pond, this study demonstrates that lotus pond wetlands have a remarkable ability to remove organic pollutants and decrease chemical oxygen demand(CODCr), biochemical oxygen demand(BOD5), and suspended substances(SS) in garlic processing wastewater. Results also show evident effects of lotus roots on absorption of NH3-N. The pH value in a lotus pond with wastewater discharged was relatively stable. The water quality in the lotus pond reached the class Ⅱ emission standard, according to the Integrated Wastewater Discharge Standard(GB8978-1996), seven days after pretreated garlic processing wastewater had been discharged into the lotus pond. Garlic processing wastewater irrigation does not produce pollution in the pond sediment and has no negative effect on the growth of lotus roots. Due to utilization of garlic processing wastewater, the output of lotus roots increased by 3.0% to 8.3%, and the quality of lotus roots was improved. Therefore, better purification and utilization results can be achieved.     

River wildlife databases and their value for sensitive environmental management

A survey over a 3-year period, which commenced in 1987, of the plant and bird communities along 1200 km of river in Lincolnshire and South Humberside, Eastern England, is described. Analysis of data from 247 km of river recorded a great diversity of wildlife, comprising 570 species of plant and 80 species of breeding birds. The management value of such surveys is discussed and these include the preparation of detailed maps of each 500m section of river, which illustrate the habitat structure, and plant and bird communities. A maintenance procedure for each 500 m section of river is then agreed between conservation and operations personnel, preventing areas of wildlife importance from being accidentally destroyed. An index which combines both the diversity and rarity of the plant and bird communities is proposed as a measure of conservation importance. This index allows sections of river to be graded according to their conservation value into one of five groups. The surveys also enable predictions to be made of the effects of management actions on the wildlife and provide information by which fundamental reviews of operational activities can be carried out.     

The use of non-persistent herbicides,glyphosate, and 2,4-D amine,to control riparian stands of Japanese knotweed (reynoutria japonica houtt.)

The non-persistent herbicides glyphosate and 2,4-D amine were applied to riparian stands of R. japonica on the banks of the River Cynon, South Wales at doses of 2154 g and 2790 g active ingredient (a.i.) ha^?1 respectively. Glyphosate being tested with one or two applications per season, 2,4-D amine with two only. Two weeks after spraying, the biomass and leaf area ratio of shoots in all treated plots was depressed but was significantly (P < 0–01) lower in the 2,4-D amine plots. Ten weeks after treatment shoots had begun to recover but the biomass was still < 40 per cent of the control areas. Rapid (six weeks after treatment) recovery of Leaf Area Ratio was also observed. Second applications of glyphosate and 2,4-D amine to the respective plots resulted in shoot death after four weeks. Management recommendations are made for the control of R. japonica on riverbanks based on the results presented.