给水排水工程与环境工程专业英语杨维课后答案
1 Bad on Reading Material, put the following into Chine.life expectancy :耐用期限，平均寿命
poverty-stricken :贫穷的，贫困的，贫乏的
smog-laden air :烟雾弥漫的天空，烟雾缭绕的空气，阴霾天气global conditions :全球状况
haves and have-nots :富人和穷人
underprivileged :社会地位低下的，相对贫困的，生活水平低下的，弱势的savanna :热带大草原，稀树草原
predator :食肉动物，捕食者
environmental disruptions :环境破坏，环境失调2 Put the following into English.
农药—pesticide / agricultural chemicals (including: pesticide, germicide, herbicide)化肥—chemical fertilizer
有机废物—organic wastes
微生物—microorganism / microbe衰减—attenuation
阻滞的—retardant / blocking稀释—dilution
添加剂—additive合成塑料—synthetic plastic再生—regeneration
Unit 3 (P.19)
1 Put the following into Chine.
(1)Raw materials that lo their ufulness becau they sit on the shelf too long become waste.原材料放置过久会失去它们本身性能而变成废弃物。
(2) Poor cleaning of parts or inadequate dragout time will reduce the ufulness of the processchemicals, increa the cost of waste disposal, and the cost of chemical replacement.
不良的零件清洗或者不充分的接触时间将减少工艺过程中化学品的有用性，增加处理废弃物
的费用以及替换化学药品的费用。
(3)Lockheed successfully switched from an alkaline cyanide cadmium bath to an acidicnoncyanide cadmium bath.
洛克希德（公司)成功地将碱性氰化镉溶液槽改变为酸性不含氰化镉的溶液槽。(4) Do not try to reinvent the wheel. Develop networking partners to share ideas.
不要进行重复研究。发展网络伙伴以分享思想。3 Put the following into Chine.
Waste reduction/waste/minimization: 减少废物/废弃物/最小化In-process:工程内，进程内
Housckeeping:维持管理
Equipment modification landfills:设备改造，填埋Biodegradable solvents:可生物降解溶剂
Volatile chemicals:挥发性化学品
Management commitment:管理层的承诺
Unit4
Put the following into Chine.
Precision and accuracy 精密度和准确度
bulk collection 散装收集 matrix material 基质
Analytical quence 分析序列
multivariate statistics 多元统计 interactive effect 互动效应
Insofar adv. 在...的范围;在...情况下
Overall analytical scheme 整体分析方案
