نتایج جستجو برای: marginal area
تعداد نتایج: 622332 فیلتر نتایج به سال:
The marginal lagoons of the Sorocaba River fulfil important functions in their lotic ecosystems and for its fish communities, providing shelter, food, and area for fish early stages of development. The lagoons are also an escape from the river pollution since the physical-chemical characteristics of their water are more stable than the river water. Nevertheless, these lagoons are under a series...
This paper analyzes conjoint measurement models allowing for intransitive and/or incomplete preferences. This analysis is based on the study of marginal traces induced on coordinates by the preference relation and uses conditions guaranteeing that these marginal traces are complete. Within the framework of these models, we propose a simple axiomatic characterization of preference relations comp...
Does growth management result in lower marginal land consumption rates? The literature offers inconclusive and inconsistent results. This paper uses new data covering all U.S. metropolitan areas and multiple time periods to estimate panel models of effects of growth management on the spatial extent of urban development. Dummy variable estimation misleadingly suggests that growth management incr...
Coefficients of housing attributes in most hedonic specifications are held constant under the assumption that each attribute has one unique marginal price throughout the entire market area. However, there’s increasing evidence that the marginal prices of some key housing attributes do vary according to particular systematic patterns. In this paper, we employed expansion methods by incorporating...
We develop an equilibrium-econometric analysis in the context of rental housing markets with indivisibilities. The theory provides some bridge between a (competitive) market equilibrium theory and a statistical/econometric analysis. First, we develop this theory: The listing service of apartments, which we call the housing magazine, provides the information to both households (and landlords) an...
The ciliary marginal zone of the vertebrate retina contains undifferentiated progenitor cells that continue to proliferate and add new neurons and glia peripherally during the embryonic stages - even after the formation of a functional retina. To understand the molecular mechanism that controls the prolonged progenitor cell proliferation in the ciliary marginal zone, we employed a candidate mol...
purpose: the aim of this study was to evaluate the effect of two gingival finishing lines (90° shoulder and deep chamfer) on the marginal fitness of two types of full anatomic all-ceramic crowns; zirconia crowns (zikonzhan) and glass ceramic crowns (ips e-max cad) milled with cad/cam system. materials and methods: two dentoform teeth of left maxillary first molar were prepared with chamfer fini...
The Okhotsk Sea is the southernmost marginal sea that is ice-covered during winter; therefore, it is considered to be an area having sensitive environmental characteristics due to the influence of global warming. In order to detect such environmental changes, monitoring of oceanographic conditions is considered important. However, few monitoring studies have been made in the offshore area of th...
Wind erosion in a marginal Mediterranean dryland area: a case study from the Khanasser Valley, Syria
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