论文部分内容阅读
本文主要从节能方面的经济效益和环保、生态方面的社会效益来分析。决定效益的主要因素是科学技术和管理工作,物质是基础。1.成本核算:据庄浪、静宁县和平凉市北原改、建省煤节柴灶的成本核算。建一个新型灶需土坯90—120块,值1.5元;铸铁炉门、炉条1套,值3.45元水泥5公斤,值1.25元;技工工资3.3元,合总9.5元,改一个灶则需7.5元。据泾川、灵台、崇信、华亭县和平凉市核算,建一个新型灶土坯值1.1元,铸铁炉门、漏斗炉条值3.8元,水泥5公斤
This article analyzes the economic benefits of energy saving and the social benefits of environmental protection and ecology. The main factor that determines the benefit is science and technology and management work. Material is the foundation. 1. Costing: According to Zhuanglang, Jingning County and Pingliang City North original change, build coal-fired stove cost accounting. Build a new stove to be adobe 90-120, the value of 1.5 yuan; cast iron furnace door, a set of stoves, the value of 3.45 yuan cement 5 kg, the value of 1.25 yuan; mechanic wages 3.3 yuan, a total of 9.5 yuan to change a stove 7.5 yuan. According to Jingchuan, Lingtai, Chongxin, Huating County and Pingliang City accounting, built a new stove adobe value of 1.1 yuan, cast iron door, funnel bar value 3.8 yuan, cement 5 kg