نتایج جستجو برای: areal geology
تعداد نتایج: 15595 فیلتر نتایج به سال:
The communication-through-coherence (CTC) hypothesis proposes that anatomical connections are dynamically rendered effective or ineffective through the presence or absence of rhythmic synchronization, in particular in the gamma and beta bands. The original CTC statement proposed that uni-directional communication is due to rhythmic entrainment with an inter-areal delay and a resulting non-zero ...
Many of the traditional measures of the degree to which crime patterns change over space and time have limitations. In particular most are unable to determine any change in spatial crime pattern within an areal unit. Usually studies measure the change in crime levels in contiguous areas (expressed as discrete sub-divisions of a study area), but this can become problematic due to difficulties su...
Traditionally, areal interpolation has referred to techniques for transferring attribute values from one partitioning of space to a different partition of space but this is only one of several situations that create the need for estimating unknown data values for areal units. This paper presents a categorization of four areal interpolation problems that includes the ``missing'' data problem, th...
ROY S. PORTER, The earth sciences. An annotated bibliography, New York and London, Garland Publishing, 1983, 8vo, pp. xix, 192, illus., $37.00. This handsome volume offers 808 secondary bibliographical references on the history of the earth sciences. It is the third volume in the series Bibliographies ofthe history ofscience and technology, edited by Robert Multhauf and Ellen Wells. Porter's bi...
ROY S. PORTER, The earth sciences. An annotated bibliography, New York and London, Garland Publishing, 1983, 8vo, pp. xix, 192, illus., $37.00. This handsome volume offers 808 secondary bibliographical references on the history of the earth sciences. It is the third volume in the series Bibliographies ofthe history ofscience and technology, edited by Robert Multhauf and Ellen Wells. Porter's bi...
More than a trillion dollars of public money is spent annually on health care in the United States. In order to inform policymakers, health advocacy groups, tax-paying constituents, and beneficiaries, it would be useful to present and analyze health outcome and health-related data at the U.S. congressional district level. Presently, health event data are not reported at this political unit; how...
The theory of smallest area surfaces evolving with unit areal speed is a particular case of the theory of surfaces of minimum area subject to various constraints. Based on our recent results, such problems can be solved using the two-time maximum principle in a controlled evolution. Section 1 studies a controlled dynamics problem (smallest area surface evolving with unit areal speed) via the tw...
Owing to the overwhelming advantage in energy density, lithium-sulfur (Li-S) battery is a promising next-generation electrochemical energy storage system. Despite many efforts in pursuing long cycle life, relatively little emphasis has been placed on increasing the areal energy density. Herein, we have designed and developed a 'pie' structured electrode, which provides an excellent balance betw...
Areal sample units are explored as an alternative to conventional point-based samples for map accuracy assessment. Three analyses are examined: confidence limits on estimates of the total amount of each landcover, regression of map data versus reference data, and a two-part confusion matrix approach. It is concluded that areal sample units provide some advantages compared to point-based samples...
2) Section 1, line 84: “in the study the relationship of the temporal and spatial variation of soil moisture is determined by establishing its controlling factors . . .” The sentence is revised as “in this study the relationship between variation of soil moisture and its controlling factors (e.g. topography and precipitation) is established.” That mean the modified wetness index. Line 110: “. ....
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