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Monitoring marginal erosion in hydroelectric reservoirs with terrestrial mobile laser scanner
Mobile terrestrial laser scanner Monitoring LIDAR Point Cloud
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2014/7/30
Marginal erosions in reservoirs of hydroelectric plants have caused economic and environmental problems concerning hydroelectric power generation, reduction of productive areas and devaluing land parc...
不同种植模式麦田水资源利用率及边际效益分析(Effects of Different Planting Patterns on Water Use Efficiency and Marginal Profits of Winter Wheat)
冬小麦 种植模式 水资源利用率
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2010/12/29
选用山东省当前推广面积较大的“20+40”大小行、“20+40”沟播、“20+40”垄作以及常规等行距模式,研究不同种植模式对冬小麦农田水资源利用效率和边际效益的影响。结果表明,等行距、大小行、沟播和垄作种植模式的最大产量分别为7778.6、7624.8、8684.6和8893.7kg/hm2,表明沟播和垄作都具有提高冬小麦产量的潜力,但在获得最大产量时,垄作的蒸散量比沟播提高了76.6mm。...
A theory of multiple vehicle type dynamic marginal cost considering departure time choices
multiple vehicle types dynamic marginal cost function point queue
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2010/10/29
The analysis of single vehicle type dynamic marginal cost is extended to multiple vehicle type dynamic one based on time-dependent multiple vehicle type queue analysis at a bottleneck. First, a dynami...
Marginal Railway Infrastructure Costs in a Dynamic Context
railway infrastructure operation marginal costs
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2009/9/29
In this paper, dynamic aspects of railway infrastructure operation and maintenance costs in Sweden are explored. Econometric cost functions are estimated to check the robustness of previous marginal c...
Summary Findings on Best Practice in Marginal Cost Pricing
Summary Findings Best Practice Marginal Cost Pricing
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2009/9/28
This paper sets out alternative best practice approaches to marginal cost pricing of rail infrastructure adopted in a number of EU Member States. It draws on the findings of a report submitted to the ...
Port Pricing. Considerations on Economic Principles and Marginal Costs
Port Pricing Economic Principles Marginal Costs
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2009/9/28
Pricing by ports and operators within ports is considered quite a complex and untransparant matter, and as such it is sometimes perceived as archaic. This often results in debates about subsidies, cap...
Choice of Frequency and Vehicle Size in Rail Transport Implications for Marginal External Costs
Frequency Vehicle Size Rail Transport Implications Marginal External Costs
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2009/9/28
Frequency of services and vehicle size are important policy instruments of railway companies. Extending Mohring’s basic ‘square root model’ for frequencies, we arrive at more general formulations for ...
Influence of subsidies on the economic result of agricultural firms in production and marginal areas
grant volume grant title marginal areas production areas economic result grant, grant policy
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2014/3/29
This article is divided into four parts: the first is concerned with the state subsidy and support policy in the year 2001. The second part of the contribution mentions the subsidy development in prod...
Economic results of agricultural companies in production and marginal areas in the year 2000
production areas marginal areas economic result before tax economic result for the accounting period capital efficiency, productivity of labour labour technical equipment, tax multiplier tax rate liquidity assets structure liabilities structure
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2014/3/26
The article was written on the base of research results concerning economic development of several selected Czech agricultural companies. In dependence on the altitude, the sample was divided into two...