论文部分内容阅读
[!--newstext--]
[!--title--]
【摘 要】
：
We used the directional output distance function to derive estimates of green inefficiency, shadow prices, and waste costs of three wastes (waste water, waste g
【机 构】
：
不详
【出 处】
：
环境保护(英文)
【发表日期】
：
2010年3期
其他文献
Development of an Indicator Scheme for the Environment Impact Assessment in the Federal District, Me
In this work is developed a proposal of environment indicators needed for the Environment Impact Assessment (EIA) process in Mexico’s Federal District (FD);thr
本文通过对湖北农产品出口情况的大量调查分析，结合目前国际农产品贸易的特征，有针对性地提出从基础工作做起，抓基础、建基地、引外资、做品牌、刨科技，培育竞争力，占领国际市场。
Studies on the Determination of Compressive Strengths of Different Grades of Rice Husk Ash—An Ecofri
Rice Husk Ash (RHA) Concrete is an eco friendly concrete and has evolved as an innovative technology, capable of achieving the status of being an outstanding ad
<正>港珠澳大桥海底沉管隧道沥青路面摊铺于10月13日正式展开。这是整个港珠澳大桥主体工程中最为关键的一段路面铺装环节,也是大桥主体工程最后一段路面开始铺装,预计11月全
期刊
如今，随着新课改的不断深入，对小学数学提出了更高的要求，在新课改的要求下，教师要树立全新的教学观念，勇于开拓和创新，制定出符合时代发展和学生需求的教学方法，使学生从根本上提高
Municipal waste is one of the most hazardous components of developing countries. However, enzymes do provide an eco-friendly solution in this case. Amylase is a
<正>一、问题的提出我们知道,记账方法包括单式记账法和复式记账法,而复式记账法又包括借贷记账法、收付记账法、增减记账法。目前,借贷记账方法为世界上绝大多数国际和地区
Arsenic and fluoride are elements known to cause human health problems and it has been documented that both elements are found in high concentrations in the Gua