نتایج جستجو برای: hydrocarbonic zones

تعداد نتایج: 46083  

2014
Yatian Qu Lewis Marshall Juan G. Santiago

This document contains the following supplementary figures and information further describing our bidirectional ITP-based technique for simultaneous purification and fractionation of nucleic acids and proteins from complex biological samples: • Figure S-1: Images of on-chip DNA ITP zones and protein ITP zones • Figure S-2: Experimental setup and procedure • Figure S-3: Simulation and visualizat...

2008
Xin Lu Yan Chen

The objective of this research was to define management zones of oasis cotton field. The variables of organic matter, available N, available P and available K data determined in 193 topsoil (0-30cm) samples were selected as data sources. Fuzzy c-means clustering algorithm was used to delineate management zones. In order to determine the optimum fuzzy control parameters, the fuzziness performanc...

2017
Masaaki Sato Kentaro Honda Wilfredo H Uy Darwin I Baslot Tom G Genovia Yohei Nakamura Lawrence Patrick C Bernardo Hiroyuki Kurokochi Allyn Duvin S Pantallano Chunlan Lian Kazuo Nadaoka Masahiro Nakaoka

The establishment of marine protected areas (MPAs) can often lead to environmental differences between MPAs and fishing zones. To determine the effects on marine dispersal of environmental dissimilarity between an MPA and fishing zone, we examined the abundance and recruitment patterns of two anemonefishes (Amphiprion frenatus and A. perideraion) that inhabit sea anemones in different managemen...

Journal: :Environmental science and pollution research international 2013
Liping Yang Kun Mei Xingmei Liu Laosheng Wu Minghua Zhang Jianming Xu Fan Wang

Water quality degradation in river systems has caused great concerns all over the world. Identifying the spatial distribution and sources of water pollutants is the very first step for efficient water quality management. A set of water samples collected bimonthly at 12 monitoring sites in 2009 and 2010 were analyzed to determine the spatial distribution of critical parameters and to apportion t...

Journal: :The American naturalist 2005
Nathan G Swenson Daniel J Howard

A recent test for the existence of suture zones in North America, based on hybrid zones studied since 1970, found support for only two of the 13 suture zones identified by Remington in 1968 (Swenson and Howard 2004). One limitation of that recent study was the relatively small number of hybrid zones available for mapping. In this study, we search for evidence of clustering of contact zones betw...

2017
Jasmine K. Janes Jill A. Hamilton

Forest tree hybrid zones provide a wealth of novel genetic variation that can be harnessed to safeguard populations in changing climates. In the past 30 years, natural and artificial forest hybrid zones have facilitated significant contributions to selective breeding programs, conservation, and our understanding of the evolutionary processes and mechanisms that influence the maintenance of spec...

Journal: :International Journal of Geographical Information Science 2014
Kwanho Kim Kyuhyup Oh Yeong Kyu Lee Sungho Kim Jae-Yoon Jung

Identifying zones and movement patterns of people is crucial to understanding adjacent regions and the relationship in urban areas. Most previous studies addressed zones or movement patterns separately without analysing simultaneously the two issues. In this paper, we propose an integrated approach to discover directly both zones and movement patterns among the zones, referred to as movement pa...

2011
Adam Drackley K Bruce Newbold Christian Taylor

BACKGROUND The purpose of the project was to delineate a series of contiguous neighbourhood-based "Data Zones" within the Region of Peel (Ontario) for the purpose of health data analysis and dissemination. Zones were to be built on Census Tracts (N = 205) and obey a series of requirements defined by the Region of Peel. This paper explores a method that combines statistical analysis with ground-...

2003
Zhiming Lu Dongxiao Zhang

[1] Accurately determining well capture zones is of great importance in aquifer cleanup and for the protection of drinking water. Earlier models in delineating capture zones assumed the medium to be homogeneous. Recently, stochastic approaches have been applied to studying capture zones in heterogeneous media. The Monte Carlo method is commonly used to infer the probability distribution of the ...

Journal: :Int. J. Math. Mathematical Sciences 2004
Vladimir M. Miklyukov S.-S. Chow V. P. Solovjov

We investigate stagnation zones of flows of ideal incompressible fluid in narrow and long bands. With the bandwidth being much less than its length, these flows are almost stationary over large subdomains, where their potential functions are almost constant. These subdomains are called s-zones. We estimate the size and the location of these s-zones. 1. Introduction. In this work, we investigate...

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