Diffusions-Plattenmethode zur Feststellung der fungistatischen Wirksamkeit der Antibiotika

The Science of Nature -     

SBR工艺处理维生素C废水试验研究

采用颗粒污泥和普通絮体污泥SBR反应器对维生素C生产废水进行可生化性对比试验研究，结果表明，在进水CODcr为400—1800mg／L，运行周期为8h，其中曝气时间为5．5h，换水比为80％的条件下，颗粒污泥反应器CODer去除率为75-90％，污泥浓度介于6．11～8．32g／L，污泥指数为20～40mL／g.     

Carbon Dioxide Emission Reduction Scenarios in Mexico for Year 2005: Industrial Cogeneration and Efficient Lighting

An analysis of the impacts on Mexican energy demand and associated carbon dioxide (CO₂) emissions in the year 2005 due to efficient lighting in the commercial and residential sectors and cogeneration in the industrial sector is presented. Estimation of CO₂ abatement costs and an incremental cost curve for CO₂ mitigation options are considered. These technologies are cost effective opportunities, and together are projected to reduce CO₂ emissions in 2005 by nearly 13 percent. Implementation of efficient lighting is already part of the demand side management (DSM) programs of the Mexican state-owned utility. However, there are important barriers that may hinder the implementation of large scale cogeneration plants.     

一个特大城市:墨西哥城大都市区的水资源管理

引言 墨西哥城大都市区(MCMA)位于被称作"墨西哥谷(Valle deMexico)"的天然围合的盆地里,海拔2240m.它下辖联邦区和墨西哥州的34个自治市.墨西哥城是墨西哥的首都,位于联邦区(DistritoFederal,DF),四面环山,海拔高度超过5000m.墨西哥州是墨西哥人口最稠密的地区(据报道有1300万居民),人口仅次于它的是墨西哥城,大约有860万人[1].