固废处理专业英语课件.ppt

Unit Operation of Pretreatment Unit Operation of Pretreatment New words and technical terms text upstream: [,?p‘stri:m] adv.向上游, 逆流地 WWTP: wastewater treatment plant are placed… are classified… Bar Racks 格栅 The first device encountered by the wastewater entering the plant is a bar rack. sanitary landfill: 卫生填埋 Grit Chambers 沉砂池 pebble: [‘pebl] n.鹅卵石 abrade: [?‘breid] v.擦伤,磨损 undue: [‘?n’dju:] adj.不适当的, 未到期的, 过度的 tendency: [‘tend?nsi] n.趋向, 倾向 ultimately: [‘?ltimitli] adv.最后, 最终 clog: [kl?g] v.阻塞, 妨碍 velocity controlled, aerated, and constant level short-term sedimentation basins. 平流沉砂池，曝气沉砂池与恒水位快速沉砂池 horizontal: [,h?ri‘z?ntl] adj.水平的, 横的 discrete: [di‘skri:t] adj.不连续的, 分离的 horizontal flow grit chamber: 平流式沉砂池 weir: [wi?] n.堰, 拦河坝 theoretical detention time: 理论停留时间 spiral: [‘spair?l] adj.螺旋形的, 盘旋的 hopper: n.储料器, 贮煤槽 diffuser: [di‘fju:z?] n.扩散器 assembly: [?‘sembli] n.集合, 议会, 装配 adjust: v.调整, 校准, 调节, 使适应 nominal: [‘n?min?l] adj.名义上的, 象征性的 accumulation: [?,kju:mjulei??n] n.积聚, 累积 Comminutors comminutor: n.粉碎机 macerate: [‘m?s?reit] v.浸软, 消瘦 abrasion: [?‘brei??n] n.擦伤, 磨损, 磨损处 parallel: ?[p?r?lel] v.对比, 平行线(面), 双杠, 相似物 Equalization equalization: [,i:kw?lai‘zei??n] n.均衡, 均等 flow rate: 流量 sewage flow and strength: 水量与水质 dampen: [‘d?mp?n] v.(使)潮湿, 使沮丧, 抑制 vary: [v??ri] v.改变, 变化, 使多样化 variation: [,v??riei??n] n.变种, 变奏曲, 变动, 变化 variable: [v??ri?bl] adj.可变的, 易变的 significantly: ?[sig‘nif?k?ntli] adv.意味深长地, 意义深远地, 重要地, 较大地 deposition: [,dep?zi??n] n.沉积, 免职 decomposition: [,di:k?mp?‘zi??n] n.分解, 腐烂, 变质 mass balance: 质量平衡 Other operation rectangular: [rek‘t??gjul?] adj.矩形的, 长方形的, 直角的 raw sludge: 初沉污泥 scraper: n. 刮泥机 analogous: [?‘n?l?g?s] adj.类似的 clarifier: [‘kl?r?fai?] n. 澄清池 appreciably: [?‘pri:??bli] adv.可觉察地, 明显地 approximately: [?pr?ksimitli] adv.大约, 近似地 * *