6-1固定资产概述 6-2固定资产核算的内容 63固定资产增加的核算 6-4固定资产折旧的核算 6-5固定资产修理和租赁的核算 6-6固定资产减少及清查盘点的核算 6-7固定资产减值准备的核算以及固定资产的披露

1. 景观的有关概念 2. 景观生态学原理 3. 景观生态学发展

1.206J/16.77J/ESD. 215] Airline Schedule planning Outline Sign-up Sheet syllabus The Schedule planning process Flight Networks Time-line networks · Connection networks

1.206J/16.77J/ESD215 Multi-commodity network Flows A Keypath Formulation utline Path formulation for multi-commodity flow problems revisited Keypath formulation Example Keypath solution algorithm Column generation Row generation

1.206J/16.77J/FSD215J The Crew Scheduling problem Outline Problem definition Sequential Solution Approach Crew pairing optimization model Branch-and-Price solution Branching strategies

1.206J/16.77J/ESD.215J The Passenger Mix Problem Outline -Definitions Formulations Column and Row Generation -Solution Approach Results Applications and Extensions

Summary Lecture #1 Airline schedules (Aircraft, crew, passengers) are optimized leading to: Little slacksidle time) Schedule dependencies Delay chain effects Causes of schedule disruptions Shortages of airline resources Shortages of airport resources Complex airline resource regulations Aircraft maintenance

The Extended Crew Pairing Problem with Aircraft Maintenance Routing Outline Review of Individual Problems Interdependence and motivation for an alternative approach Sequential Approaches Integrated Approaches Comparison of Models

Summary Lecture #2 Achieving good passenger service reliability at an acceptable operating costs Disrupted passengers suffer long delays on average(320 minutes) versus non disrupted passengers(14 minutes) Connecting itineraries have a much higher risk of being disrupted than local itineraries(2.7x) Late disruptions are often difficult to recover the

5-1引言 5-2雷诺实验 5-3圆管中的层流 5-4圆管中的紊流 5-5管路中的沿程阻力 5-6管路中的局部阻力 5-7管路计算