环境工程18-28单元专业英语翻译.doc

重点复习 ①书本18单元P124,125两页（加粗部分那些段落，考定义，复习资料1-2页）； ②书本21单元P144~145固废处理方法、垃圾焚化，填埋技术特别是P145第二、三段，复习资料**页； ③书本23单元 P156,第三段，噪声控制室负责尖端的技术，复习资料**页。 ④书本26单元P169第二部分Operational Procedures，环境影响评价的步骤，考其中的1、2、3、4等小点。 Unit 18 Sources and Types of Solid Wastes固体废物的来源和种类 Knowledge of the sources and types of solid wastes, along with data on the composition and rates of generation, is basic to the design and operation of the functional elements associated with the management of solid wastes. 了解固体废物的来源和种类，以及其数量组成和产生率，是设计和管理相关固体废物的基本运作条件。 Sources of solid wastes固体废物的来源 Sources of solid wastes are, in general, related to land use and zoning. 固体废物的来源，一般来说，与土地使用和划分有关。 Although any number of source classifications can be developed, the following categories have been found useful虽然许多废物的来源分类可以发展，以下是已被发现有用的分类方法 (1)residential , 住宅(2)commercial, 商业(3)municipal, 市政(4) industrial, 工业(5)open areas, 开放地区(6)treatment plants, 处理厂and (7)agricultural. 和农业。Typical waste generation facilities, activities, or locations associated with each of these sources are presented in Table 1. 典型的废物是发电措施，人类活动，或与这些来源相关的每个地点见表1。The types of wastes generated, which are discussed next, are also identified. 对产生的废物，这是接下去要讨论的种类，也被识别了。 Types of solid wastes固体废物的种类 The term solid wastes is all-inclusive and encompasses all sources, types of classifications, composition, and properties. 固体废物一词是全部包括所有废物的来源，分类，组成类型和属性。Wastes that are discharged may be of significant value in another setting, but they are of little or no value to the possessor who wants to dispose of them. 被丢弃的废物，在另一个环境可能具有重要价值，但是对于愿意处置它们占有者来说，它们很少或者没有价值，To avoid confusion, the term refuse，often used interchangeably with the term solid wastes, is not used in this text. 为了避免混淆城市垃圾一词，经常使用这个词，代替固体废物，而不是使用本书的。 As a basis for subsequent discussions. 作为今后讨论的基础。 It will be helpful to define the various types of solid wastes that are generated. 这将有助于确定不同类型固体废物的产生。It is important to be aware that the definitions of solid waste terms and the classifications vary g