Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Define the various types of e-auctions and list their characteristics. 2. Describe the processes involved in conducting forward and reverse e-auctions. 3. Describe the benefits and limitations of e-auctions. 4. Describe some unique e-auction models

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Describe e-government to citizens (G2C), to businesses (G2B), and to others. 2. Describe various e-government initiatives. 3. Discuss online publishing, e-books, and blogging. 4. Describe e-learning and virtual universities. 5. Describe knowledge management and dissemination as

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Define exchanges and describe their major types. 2. Describe the various ownership and revenue models of exchanges. 3. Describe B2B portals. 4. Describe third-party exchanges. 5. Distinguish between purchasing (procurement) and selling consortia

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Describe the factors that influence consumer behavior online. 2. Understand the decision-making process of consumer purchasing online. 3. Describe how companies are building one-to-one relationships with customers. 4. Explain how personalization is accomplished online. 5. Discuss the issues of e-loyalty and e-trust in EC. 6. Describe consumer market research in EC

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Define e-marketplaces and list their components. 2. List the major types of e-marketplaces and describe their features. 3. Describe the various types of EC intermediaries and their roles. 4. Describe electronic catalogs, shopping carts, and search engines

一、赫斯定律 第一定律 1840年,赫斯提出了一个定律: 反应的热效应只与起始和终了状态有关,与变 化途径无关。不管反应是一步完成的,还是分几步 完成的,其热效应相同。 应用:对于无法直接测定反应热的化学反应,可 以用赫斯定律,利用容易测定的反应热来 计算不容易测定的反应热

7.12 某一 8086CPU 系统中，采用一片 82C59A 进行中断管理。设定 82C59A 工作在 普通全嵌套方式，发送 EOI 命令结束中断，采用边沿触发方式请求中断，IR0 对应的中断向 量码为 90H。 另外，82C59A 在系统中的 I/O 地址是 300H(A0＝0)和 301H(A0＝1)。请编写 82C59A 的初始化程序段

（1）政府干预旅游发展的动机、必要性和手段； （2）国家旅游组织的职能； （3）我国的三类旅游组织； （4）主要的国际旅游组织

一、旅游的经济影响 二、旅游促进经济发展的理论依据 三、旅游的社会文化影响 四、旅游对目的地环境的影响 五、可持续旅游发展

一、旅游市场的概念 二、旅游市场的划分 三、全球国际旅游客流状况 四、 我国旅游业的国际客源 五、我国旅游业在国际市场竞争中存在的问题