Showing 1 - 10 of 103
-industrial waste as the substrate. Optimization of Aspergillus niger lipase production has been performed in this study. Optimization …
Persistent link: https://www.econbiz.de/10012177054
Biogas systems from solid waste landfill and their pipeline network have been constructed with a total biogas capacity … source for cooking, but also contributes to the reduction of environmental pollutions produced by municipal solid waste. It … solid waste disposal center, households, and government department. Biogas energy surely offers an alternative source of …
Persistent link: https://www.econbiz.de/10012181043
Persistent link: https://www.econbiz.de/10010357508
The discussion on the management of urban solid waste gained global contours in the 70's, but its interest in some … processes (generation, collection, selective collection and final disposal of waste). The impacts of inefficient management … directly on the efficiency of the basic waste management processes. This paper aims discussing the evolution on the …
Persistent link: https://www.econbiz.de/10012178322
The study of Toyohashi city fs economic growth and resultant growth in municipal solid waste management were … empirically examined by the relation between city economic growth, city expenditure for solid waste management and municipal solid … waste. The growth in the economy and the population has increased discharge of municipal solid waste in Toyohashi city. The …
Persistent link: https://www.econbiz.de/10011674494
In order to determine the level of satisfaction of the public transport services, the passengers jointly evaluate the various attributes that represent the different aspects of the level of service. From a methodological viewpoint this means finding the weighting that individuals use to evaluate...
Persistent link: https://www.econbiz.de/10011555081
Persistent link: https://www.econbiz.de/10011282852
With the rapid development of information and communication technologies, various online shopping platforms have emerged. To understand the success of platform strategies, it is important to verify the features that are important to attract sellers. To estimate the economic value of free...
Persistent link: https://www.econbiz.de/10012004979
This paper establishes an economic theory of information value and volume that differs from Shannon's mathematical theory of communication (Shannon, 1948). The economics of information should be recognized as an important frontier field of economics to explore the 4th industrial revolution...
Persistent link: https://www.econbiz.de/10011760843
Bundling becomes a dominant sales strategy in telecommunications. Dual and triple-play packages are increasingly popular among subscribers. From operators' perspective, a core issue in bundling design is the knowledge about how consumers value packages. In this paper we focus on elicitation of...
Persistent link: https://www.econbiz.de/10011446907