In this paper,the reasons for the change of environmental temperature and moisture,the heat load yielding in tunnel of the subway transportation system are analyzed and predicted.
文章对地铁交通系统环境温度、湿度的变化、隧道内热负荷产生的原因进行了分析预测,对地铁车辆空气调节计算参数进行了探讨,对地铁系统环境的控制、车辆安装空调机组后对隧道内温度、湿度的影响和解决地铁温升的措施进行了分析。
Research and Implementation of Steel Exchange System Data Persistence Layer Based on J2EE;
基于J2EE钢铁交易系统数据持久层的研究与实现
The method of makind Fe pillared rectories is introduced, and the result of experiment of zinc containing wastewater treatment shows: under the condition that the usage of Fe pillared rectories is 1 2 g/L,average temperature ,stirring absorb 90 min; the concentration of Zn 2+ decreased from 12 5 mg/L to 0 97 mg/L, up to the first standard GHZBI_1999 of surface water quality.
介绍了铁交联累托石的制备 ,研究了交联累托石对含锌废水的处理。
high cost,secondary pollution and so on,catalytic oxidation and adsorption process for the molasses alcohol wastewater was investigated by using the Fe-pillared bentonite as catalyst and adsorbent,and H2O2 as oxidant.
为克服Fenton试剂处理成本高、二次污染等缺陷,以铁交联膨润土为催化吸附剂、过氧化氢为氧化剂,催化氧化吸附处理糖蜜酒精废水,详细探讨了各因素对处理效果的影响。