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Study on the safety distance determination model for natural gas wells in Ordos Basin subsidence areas of coal mining
Published 2025-01-01“…Abstract To optimize the safe distance between coal mining faces and natural gas wells, with the Ordos Basin as the engineering background for the intersectional development of natural gas and coal resources, a Gaussian function equation for subsidence curves under complete mining was proposed based on the probability integral method, and a model was constructed to determine the coordinated mining safety distance between coal mining faces and natural gas wells. …”
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2403
Comparing Fetal Weight Estimates in the Third Trimester: Clinical Examination Findings, Ultrasonographic Estimation, and Actual Birth Weight
Published 2024-06-01“… Objective: To determine the relationship between fetal weight on clinical and ultrasonographic examinations and actual birth weight during the third trimester of pregnancy. …”
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Spectroscopic Analysis of a Theropod Dinosaur (Reptilia, Archosauria) from the Ipubi Formation, Araripe Basin, Northeastern Brazil
Published 2013-01-01“…The Araripe Sedimentary Basin is known by the excellence of its fossils, regarding the preservation, diversity, and quantity. …”
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2407
Examining the Economic Costs of the 2003 Halloween Storm Effects on the North Hemisphere Aviation Using Flight Data in 2019
Published 2023-03-01Subjects: Get full text
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2408
Canine Leishmaniasis in Brazil: Serological Follow-Up of a Dog Population in an Endemic Area of American Visceral Leishmaniasis
Published 2009-01-01“…They also corroborate the high sensitivity and specificity of western blot in the diagnosis of canine leishmaniasis, suggesting the possibility of its association with IFA.…”
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2409
Introduction of mini-Clinical Evaluation Exercise as a mode of assessment for postgraduate students in medicine for examination of sacroiliac joints
Published 2020-01-01“…We found a statistically significant improvement in the domain of medical interviewing (P < 0.001), physical examination (P = 0.003), professionalism (P = 0.001), clinical judgment (P = 0.003), counseling skills (P < 0.001), and organizing efficiency (P < 0.001). …”
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2410
Precipitation Trends over Time Using Mann-Kendall and Spearman’s rho Tests in Swat River Basin, Pakistan
Published 2015-01-01“…This research investigated precipitation variability across 15 stations in the Swat River basin, Pakistan, over a 51-year study period (1961–2011). …”
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2411
An Examination of EFL Undergraduates’ Writing Error Types and Frequency in WhatsApp Chat Messaging: Exploring Key Factors
Published 2024-05-01“…Therefore, the current study aimed to examine the types of errors and their frequency that EFL students commit in WhatsApp chat messages. …”
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Avian Influenza a (H5N1) Infection with Respiratory Failure and Meningoencephalitis in a Canadian Traveller
Published 2015-01-01“…In an urban centre in Alberta, an otherwise healthy 28-year-old woman presented to hospital with pleuritic chest and abdominal pain after returning from Beijing, China. After several days, this was followed by headache, confusion and, ultimately, respiratory failure, coma and death. …”
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Analysis of Spatial Characteristics and Influencing Factors of Water and Soil Erosion in Nine Plateau Lake Basins in Yunnan Province
Published 2022-01-01“…On the basis of the CSLE model,the factors and characteristics of soil and water erosion in nine plateau lake basins in Yunnan Province are analyzed by means of remote sensing analysis,field investigation,model calculation, and technical standards such as Standards for Classification and Gradation of Soil Erosion (SL 190—2007).In 2021,the water and soil erosion area was 1 306.92 km<sup>2</sup>,accounting for 16.67% of the total land area.In terms of land use type,the water and soil erosion area was mainly distributed in forest land and cultivated land,which accounted for 35.69% and 31.60% of the water and soil erosion area in the nine basins,respectively,with light erosion as the main form.The area with intense and extremely intense erosion mainly focused on the cultivated land,accounting for 82.85% of that in the nine basins.In the nine plateau lake basins,the main controlling factor affecting water and soil erosion of cultivated land and construction land is slope,while the main controlling factors affecting soil and water erosion in gardens,forest land,and grassland are vegetation coverage and slope.According to the characteristics of soil and water erosion in the nine basins,the forest land needs to be protected and equipped with a vegetation system dominated by soil and water conservation forests and water conservation forests,and measures such as enclosure and protection of distant mountains should be strengthened.The cultivated land,especially the sloping land, shall be comprehensively controlled in terms of soil and water erosion.By obtaining the spatial distribution characteristics of water and soil erosion in the nine basins,the study can grasp the land use types with water and soil erosion occurring frequently in the basins and provide support for the comprehensive management of water and soil erosion.…”
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Examining associations between oral cancer mortality and economic development of 13 European countries: an ecological and correlational study
Published 2025-01-01“…The aim of this study was to examine the age-standardized death rate of oral cancer in relation to the economic development of 13 European countries. …”
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Summary and Analysis of Pollutant Emission and Anti-pollution Measures at Onshore Oil and Gas Terminals in the Pearl River Basin
Published 2023-01-01Subjects: Get full text
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Climate-Provenance Effect on the Organic Matter Enrichment of the Chang 9 Source Rocks in the Central Ordos Basin, China
Published 2021-01-01“…Based on the C-values and Sr/Cu ratios, the paleoclimate condition of the Chang 9 member was mainly semihumid. In addition, the Th/Co vs. La/Sc diagram and negative δEuN indicate that the Chang 9 sediments were mainly derived from felsic source rocks. …”
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Examination of the Effectiveness of Physical and Chemical Activation of Natural Bentonite for the Removal of Heavy Metal Ions from Aqueous Solutions
Published 2002-03-01“…The initial metal concentration, solution pH, temperature and salinity of the solution affected the adsorption capacity towards both metal ions. …”
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Analysis of Spatio-temporal Evolution of Land Use and Landscape Pattern in Liuxi River Basin Driven by Rapid Urbanization
Published 2020-01-01Subjects: Get full text
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Assessment of heavy metal contamination in surface sediments: Seasonal influence in the Majes-Camaná basin of the Arequipa region, Peru
Published 2025-03-01“…The conducted research aimed to identify the presence of environmental contamination by heavy metals in sediments in the Majes - Camaná basin in the Arequipa-Peru, using indicators such as the Geo-accumulation Index (Igeo) and the Pollution Load Index (PLI). …”
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