| After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of Chinese equipment management,basied on two forms of equipment management------ practicality & value, the authorcombined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation , accordingly achieving the optimization of the technical efficiency & economic benefit 0One of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year.The thesis used inferior-converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat's actual facts, calculated the economic life of the same machine in order to make sure harbor machines' reasonable using fixed number of year.At the same time,the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion oThe other emphases is questions of harbor equipment. Consulting code and course of action of depreciation in developed country in the world, assimilating experience of advanced fremdness, combining the situation of our country, aiming at nowaday portfact,the author brought forward opinions and concerned methods to depreciation------combined of linear depreciations depreciation depreciation & reproductive method o... |