Results 91 to 100 of about 18,000 (183)

Reconstruction of thermal history of petromaternal togur deposits and assessment of density distribution of J15 and J16 layers resources

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
The search of deposits of hydrocarbons in J16 and J15 layers of the Lower Jurassic oil-and-gas complex is current for expansion of resource base in the Nyurolsko-Koltogorsky oil-and-gas area. The purpose of the study is to identify the perspective regions of the Lower Jurassic oil-and-gas complex in the distribution zone of J16 and J15 layers.
Galina Lobova   +3 more
openaire   +2 more sources

Comparison of an ability to degrade MTBE between mixed culture and monoculture isolated from gasoline contaminated soil [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2004
Methyl tertiary butyl ether (MTBE) is an oxygenated compound used to enhance the octane index of gasoline and replace lead in gasoline. MTBE can reduce air pollution but causes water pollution due to its high water solubility and low sorption to soil and
Wanpen Virojanakud   +2 more
doaj  

Reliability and Validity Test of the Chinese Version of the Community Integration Scale

open access: yesSAGE Open
The present study examined the applicability of Buckner’s Community Integration Scale to China’s relocated migrant groups and tested its reliability and validity indicators.
Lingping Xie   +4 more
doaj   +1 more source

MIGRATION AND DEMOGRAPHIC AGEING NEXUS: A BIBLIOMETRIC APPROACH

open access: yesStudia Universitatis Babeş-Bolyai Negotia
International migration and demographic ageing represent two of the most significant social transformations of the 21st century. The interdisciplinary interest shown in these topics reflects the major role of these phenomena in the remodeling of ...
Adriana Veronica LITRĂ
doaj   +1 more source

Assessment of 2021 surveillance system for under-five children with pneumonia in Bantul Regency, Indonesia

open access: yesClinical Epidemiology and Global Health
Introduction: Hospital involvement in pneumonia surveillance for children under five was found to be limited. This study aimed to assess the sensitivity of pneumonia surveillance using the capture-recapture method and provide an overview of pneumonia ...
Nining Puji Lestari   +3 more
doaj   +1 more source

Mexican Migrants to the United States: an Alternative Methodology

open access: yesEnsayos Revista de Economía, 2013
Mexicans are the largest immigrant group in the United States. There is a lack of consensus about whether migrants from Mexico are positively or negatively selected.
José Martínez
doaj  

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