The cost of collecting, transporting and sorting materials generally exceeds the revenues generated by selling the recyclables, and is also greater than the disposal costs.
垃圾废料收集、运输与分类的费用通常超过了售卖回收处理品所得到的财政收入，而且这些费用还远远高于直接处理这些垃圾的费用。
At the moment, it is often cheaper to process virgin materials, despite the extra energy required, because collecting and sorting recyclables is so labour-intensive.
目前，尽管原材料加工需要额外的能源，但往往很便宜，因为回收时收集和分类需要更多劳动力。
Store more materials in the drought-prone areas to strengthen reserves of emergency supplies, planning the sorting, size and location in a scientific way to standardize management and use.
在易旱地区加强抗旱应急物资储备，科学规划储备的种类、规模和存放地点，规范管理和使用。
The author also gives his views on the chief principles of compilation, and on the collection, sorting and research of historical materials.
对编写的主要原则和资料的收集、整理、研究等问题，也提出了具体的意见。
In terms of criticism theory, there is both sorting of materials and the study of criticism history.
批评论方面，既有对新时期散文研究的资料整理，也出现了具有个性特征的批评史研究。
Full automatic feeding, the materials and sorting.
全自动化，自动加料、出料、分选。
It specifically discusses the process of sorting materials to help learners to collect materials.
为避免学习者对收集的资料简单罗列，本文详细论述了整理资料的过程。
The DK50-UV series provide a simple and reliable means of error checking, sorting, measuring, and positioning materials that blend into a background or are invisible.
DK50-紫外线系列提供了简单可靠的错误检测，整理，测量和定位材料的方法，它们融入背景或是看不见的。
That helped spur me to think about improving related habits at work, and to suggest a new waste sorting scheme for recyclable materials in the apartment building where we live.
这激发了我思考如何改进工作中的相关习惯，并为所住的公寓设定了一套分拣可回收垃圾的新规则。
Weathering makes possible the sorting of rock materials.
风化使岩石物质有可能进行分选。
The compression property test method of coarse fraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper.
本文主要介绍粗粒级手选废石、冶炼炉渣及二者按不同比例混合料的压缩性能测定方法。
IV. Attaching importance to the collecting, sorting and comparison of relevant materials with an attempt to have them playing a fundamental role in the study of problems concerned.
注重对相关资料的搜集排比，以求对相关问题研究能起到基础性的资料作用。
This machine is for the sorting of the granule size of dry powder materials in the trades of medicine, chemical, and foodstuff etc.
本机适用于制药、化工、食品等行业，是粉末及粗小颗粒比例不等且连续过筛出料的理想设备。
Using pre-treatment MSW from Majialou sorting station and MSW compost from Nangong Compost Plant as testing materials, the physical and chemical indexes were studied.
以马家楼转运站前处理垃圾和南宫堆肥厂堆肥过程中的垃圾堆肥为研究对象，对其物理组成、营养元素及重金属等理化指标的变化进行了研究。
Using pre-treatment MSW from Majialou sorting station and MSW compost from Nangong Compost Plant as testing materials, the physical and chemical indexes were studied.
以马家楼转运站前处理垃圾和南宫堆肥厂堆肥过程中的垃圾堆肥为研究对象，对其物理组成、营养元素及重金属等理化指标的变化进行了研究。
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