Analysis Of Different Indicators Research Articles

Multi‐indicator evaluation method of important members of truss string structures

SummaryDuring the past decade, the progressive collapse of structures has received growing attention, and the study of member importance is a key step for investigating the progressive collapse resistance. However, traditional methods for evaluating the member importance usually employ a single indicator, and when multiple indicators are involved, different indicators may generate different member rankings. Moreover, the truss string structure is a multiple super‐stationary structure with many members, and the current studies mainly focus on cable failure, which does not mean that other members are not important. In this study, the initial selection of important members is first performed based on concept evaluation, and then, the alternate path method is used to analyze the progressive collapse resistance of truss string structures; the slope degradation coefficient γ of incremental dynamic analysis curve, load capacity degradation coefficient β, and nested load capacity degradation coefficient β′ are introduced; and the sensitivity coefficient SIj and fragility coefficient VIi are defined with axial force as the structural response. Based on the above five indicators, two cases are conducted to evaluate the member importance. The analysis results show that the cable and the bottom chord member at the support are evaluated as the first‐level important members. Through the analysis of different indicators, it is found that the regularity of the coefficient of each member is inconsistent for different indicators. The results could be one‐sided if the important members were evaluated by a single indicator only. In addition, the second‐level important members of truss string structures are evaluated by multi‐indicator analysis. Finally, the nominal progressive collapse resistance of truss string structures is given based on the importance coefficient of the first‐ and second‐level important members.

The Border Effects of Dry Matter, Photosynthetic Characteristics, and Yield Components of Wheat under Hole Sowing Condition

Wheat can be cultivated by hole sowing, but its border effect has not yet been studied. Therefore, we carried out a field experiment from 2021 to 2022 at the Doukou Crop Experimental Demonstration Station (108°52′ E, 34°37′ N) of Northwest A&F University in Jingyang County, Xianyang City, Shaanxi Province, China. The response of dry matter, photosynthetic characteristics, and yield components of wheat to the border effects under the hole sowing method was studied. The results showed specific border effects on each index of five wheat varieties (XN136, XN175, XN527, XN536, and XN765), among which the border effects of XN175 and XN765 were the most significant, with the highest yield. Subsequent correlation analysis revealed that only grain per spike and intercellular carbon dioxide concentration responded negatively to the border effects, and the rest were positively correlated. Finally, we conducted a random forest model analysis of different indicators of wheat varieties with significant border effects. We found that net photosynthetic rate and aboveground dry matter per plant had the most significant impact and contribution to the border effects. In contrast, grain per spike had the most negligible impact on the border effects. Our results fill a gap in the study of the border effects of wheat under hole sowing cultivation for future researchers.

Employment and Gross Value Added Generated by Port Infrastructures: A Bibliographical Review and Empirical Findings to Support Policy Maker Decisions

A relevant factor to be considered by policy makers is the economic impact of their decisions on port investments. A structured system for assessing the economic impact of port infrastructures was developed in the mid-60s in the USA. From then, a great number of works in this field has been carried out considering different geographical environments and using different methodologies and approaches. In this work, a complete set of 27 Spanish ports are reviewed, first from a chronological point of view and later establishing a comparative analysis of different indicators of port product­­­ivity. Special focus is put on comparing the contribution of the ports in generating employment and creating Gross Value Added generated in the local and regional economy. Direct, indirect, and induced impacts in both the port industry and the industry dependent on the existence of the port and its activities are considered.

Using MLT To Estimate Corruption Patterns From The BEEPS

The paper describes the opportunity for using machine learning technologies (MLT) for estimating corruption by clustering. We used the enhanced BEEPS data (The Business Environment and Enterprise Performance Survey (European Bank for Reconstruction and Development, 2014)). It contains 1672 variables and 59619 observations produced by well-respected agencies like Nielsen for the European Bank of Reconstruction and Development. The analysis of different indicators with the MLT allows us to cluster the countries by the types of potential corruption patterns. We suggested this method could overcome the shortcomings of the classical survey surveillance approach because we can estimate countries with some distortion or insufficiencies in the data (for example, when the business units may want to lie about the corruption due to some reasons). This gives us an additional measurement that can be used for analyzing the true corruption field. This can be useful for business units, scientific people, and policymakers for analyzing the patterns of corruption in different countries.

The first stage in the formation of the uranium deposit of Arlit, Niger: Role of a new non-continental organic matter

The uranium deposits of Arlit are located in fluvial sandstone rich in organic matter of continental origin (type III) deposited in palaeochannels. Previous studies on Arlit deposits documented that organic matter of continental origin (type III) was the main contributor to the reduction of uranium from the oxidation state of uranium(VI) (U(VI)) to uranium(IV) (U(IV)). This study shows that migrated oils of non-continental origin strongly contributed to the genesis of uranium mineralization. The petrographic analyses showed that (i) solid bitumen, resulting from the polymerization of migrated oils, is present in abundance in the porosity of the sandstone and fractures at the level of the channels of the Tarat Formation (Tamou, Takriza, Southern Taza) and Guézouman Formation (mine sector of Akouta), and (ii) uranium mineralization is mainly associated with this migrated organic matter currently expressed in the form of solid bitumen. The association occurs at an infra-micrometric scale in the solid bitumen. The geochemical analysis, Rock-Eval, Py-GC-MS and GC–MS and the analysis of different indicators and biomarkers (n-alkanes, Pr/Ph, steranes…) indicate the presence of a second organic matter with a different signature to Type –III. The oils present in the porosity of the sandstone of the Guézouman and Tarat formations confirm that channels of these two formations are the traps of the oil migration.

Environmental Dynamics for Central Dry Zone Area of Myanmar

The main aim of this research work is to create environmental profile in central dry zone area of Myanmar due to harsh climatic conditions. In the study region the adverse effects of climate change are believed to be a major constraint to uncertain ecosystem. Theses extreme climatic events are likely to increase in frequency and magnitude of serious drought periods and extreme floods. For environmental dynamics, we did vulnerability assessment in ArcGIS software by following indicators: discharge change, climate moisture, drained area, flood risk, irrigation, evapotranspiration, precipitation, surface runoff, nitrogen load and population distribution. The analysis provides some interesting methodological insights about the potential of public macro-scale datasets for environmental assessment. Results show that northeast part and Ayeyarwaddy basin of the study area are the most intensive land use and have high population density. Results were further discussed for land cover classes with their elevation information that experience relatively most pressure in terms of examined indicators in the study area. They are also home to important ecosystems and are sensitive to changes in upstream areas. This research work presents a concise and spatially distributed view of the environmental dynamics of central dry zone of Myanmar with Ayeyarwaddy basin. The spatial approach allowed the analysis of different indicators, providing a platform for data integration as well as a visually powerful overview of the study area.

Vulnerability Evaluation from 1995 to 2016 in Central Dry Zone Area of Myanmar

The central dry zone area of Myanmar is characterized as vulnerable area due to water stressed and one of the most food insecure regions in the country. In this region, the adverse effects of climate change are believed to be a major constraint to vulnerability. Theses extreme climatic events are likely increase in frequency and magnitude of serious drought periods and extreme floods. For vulnerability assessment we used remote sensing (RS) and geographical information system (GIS) technology and develop a numerical model, using spatial principle component analysis (SPCA) in ArcGIS software and evaluate two decade (1995, 2005 & 2016) vulnerability evaluation. The model contains following indicators: discharge change, climate moisture, drained area, flood risk, irrigation, evapotranspiration, precipitation, surface runoff, nitrogen load and population distribution. According to the numerical results, the vulnerability is classified into five levels: slight, light, medial, heavy and very heavy level by means of the cluster principle. The results show that vulnerability in the study area from 1995 to 2016 is at medial (25%) and heavy (25%) level and presents from south-west to north east direction. The vulnerability change trend show worst situation in 1995 (29.80) and best one in 2005 (17.45) but again vulnerability was increase in 2016 (21.58). In the study area the main driving forces for dynamic change in vulnerability is the intensive land use and high population density. This spatial approach allowed the analysis of different indicators, providing a platform for data integration as well as a visually powerful overview of the study area.

Evaluation performance in health regions in Brazil

Abstract Objectives: To propose a regional synthetic indicator (ISR) to evaluate the health system performance in Brazilian regions based on a national database source available free of charge in a global network of computers. Methods: a cross-sectional study using secondary data, considered seven variables of five dimensions in the health system (population's health conditions, health system coverage, financing, human resources and SUS production) analyzed from a survey of 438 Brazilian regions and adopted factor analysis and cluster models, conditioned by variables, such as: socioeconomic development, offering and service complexity and which resulted in a grouping of five strata. Results: mapping and scheduling based on ISR in health regions in Brazil and a detailed analysis of different indicators that compose them. The regions that showed better perfor-mance are in the Southeast, South and Midwest. Conclusions: This article sums efforts of other authors to extend the evaluation studies in health systems in a regional level. In addition, it is expected that the researches broaden their scope and implement the discussions about the process of regionalization in order to provide health policies, a universalized access and care comprehensiveness.

城市生态网络分析研究进展

PDF HTML阅读 XML下载 导出引用 引用提醒 城市生态网络分析研究进展 DOI: 10.5846/stxb201602240320 作者: 作者单位: 北京师范大学,北京师范大学,北京师范大学 作者简介: 通讯作者: 中图分类号: 基金项目: 国家重点研发计划项目（2016YFC0503005）；新世纪优秀人才支持计划"生态模拟"（ NCET-12-0059）；国家自然科学基金创新研究群体项目（51421065）；国家自然科学基金面上项目（41571521）；中央高校基本科研业务费专项资金（2015KJJCA09）；中美国际（地区）合作交流项目（51661125010） A review of ecological network analysis in urban ecosystems Author: Affiliation: Beijing Normal University,Beijing Normal University,Beijing Normal University Fund Project: 摘要 | 图/表 | 访问统计 | 参考文献 | 相似文献 | 引证文献 | 资源附件 | 文章评论 摘要:自生态网络分析方法提出40多年来，其理论发展和应用实践不断拓展，但直至21世纪才不断引入到城市生态系统研究中，用以分析城市内部多个主体和多种生态流构成的关联网络。目前，城市生态网络分析集中于生态网络分析方法与指标的拓展及多尺度的应用研究，而生态网络分析方法又形成了上升性分析和环境元分析两大分支，多尺度应用涵盖了城市镶嵌的区域背景尺度和城市内部产业部门之间的细节尺度。然而，当前研究仍存在着多尺度融合、多种生态网络分析方法集成不足等问题，这限制了城市生态网络分析方法在城市规划设计中的应用。未来城市生态网络分析研究集中于如下3点：（1）开展多尺度城市生态网络分析，包括城市群-城市-园区/社区等，构建多级嵌套生态网络模型；（2）集成上升性与环境元分析方法，提出由外在表征到内在过程的城市生态系统评价模式及模拟方法；（3）强调自然节点在城市生态网络中的重要作用，形成社会经济节点与自然节点并重的生态网络模型，并强调构建多精度的生态网络模型服务于不同的研究目的。 Abstract:It has been more than forty years since the ecological network analysis was proposed, and its theories and applications have developed rapidly. Until 2002, the method had only been used to study urban ecosystems and to analyze interconnected networks, including multiple actors and ecological flows. Presently, the application of ecological network analysis to urban ecosystems includes its use at multi-scales and based on different indicators. It has been subdivided into Network Environ Analysis and Ascendency Analysis; and the multi-scales indicate regions comprised by cities and cities including industrial sectors. However, there are still aspects of the method that need to be improved, such as the application of multi-scales (e.g., using cities as nodes in a network or specifying sectors in urban systems) or the combined analysis of different indicators, and these limitations restrict the use of the method for urban planning and design. To continue the development of ecological network analysis in urban ecosystems, three main perspectives should be addressed:(1) the application of ecological network analysis at multi-scales, such as urban agglomerations and systems and industrial parks and communities, and the development of nested ecological networks; (2) the combination of Ascendency and Network Environ Analyses to develop an assessment system or method from external and internal attributes; and (3) emphasis on the importance of natural actors in urban ecosystems, along with merging socio-economic and natural actors to establish ecological networks with different precision. 参考文献 相似文献 引证文献

ГНЕЗДОВАЯ БИОЛОГИЯ ГРАЧА (CORVUS FRUGILEGUS) В АНТРОПОГЕННО ИЗМЕНЕННЫХ СТЕПНЫХ ЭКОСИСТЕМАХ (НА ПРИМЕРЕ БОТИЕВСКОЙ ВЭС)

<p>The article gives a space-structural characteristic of rook (Corvus frugilegus) nesting places in the territory of Botievo wind farm (Zaporizhzhia region). The distribution of the rook colonies around the territory, the structure of the colonies, the dependence of the location of the nests on the height, diameter, condition and species composition of tree and shrub plantings are analyzed and studied. The types and methods of the localization of nests in the trees and their quantitative characteristics are highlighted. The consortium relations of the rook and the risks associated with living near existing wind turbines are described.</p><p>In 2015 some six colonies were found: 2 medium (51-100 nests) and 4 large (101-500 nests) ones. All the colonies were located in the forest belts, mainly represented by locust trees <em>Gleditsia triacanthos</em> (5 colonies) and in the mixed forest consisting of the mulberry <em>Morus sp.</em>, maple <em>Acer</em>, black locust <em>Robinia pseudoacacia,</em> and locust trees (1 colony). The area occupied by colonies had a four-fold difference between 977-3994 m<sup>2</sup>, while the number of the rook nests fluctuated in a seven-fold range - 52-343 nests.</p><p>Analysis of different indicators describing the structure of the rook colonies revealed certain dependence between the breeding area and the number of the occupied trees (r = 0.98); the breeding area and the number of nests (r = 0.71); the number of nests in the colony and the closeness of the trees in the forest belts (r = 0.96); the number of nests and the number of the occupied trees (r = 0.81), the height of the tree and the nest on it (r = 0.64). The characteristic of the location of nests in different rows of the forest belt revealed the shift of the density of the occupation of trees in large colonies to one of the outer rows, where there were 34.8-50.7 percent of all the nests.</p><p>Typology and localization of rook nests in the trees has 11 options of the location. The type of the location of nests near the trunk of the tree dominated (59.74 percent of trees and 67.02 percent of all nests). It is shown that rooks demonstrate the plasticity of the nesting behaviour to the changing environmental conditions.</p><p><em>Keywords: Rook (Corvus frugilegus), Zaporizhia region, wind farm, nesting area, colony structure, spatial distribution, colony.</em></p>

Evaluation of Immune response to Intravenously Administered Human Cord Blood Stem Cells in the Treatment of Symptoms Related to Chronic Inflammation

Objective: Numerous investigations suggest that Mesenchymal Stem Cells (MSCs) in general represent a valuable tool for therapy of symptoms related to chronic inflammatory diseases. Blue Horizon Stem Cell Therapy Program is a leading provider of adult and children’s stem cell therapies. Uniquely we have safely and efficiently treated over 600 patients with documenting each procedure. Methods: The purpose of our study is primarily to monitor the immune response in order to validate the safety of intravenous infusion of human umbilical cord blood derived MSCs (UC-MSCs), and secondly, to evaluate effects on biomarkers associated with chronic inflammation. Twenty patients were treated for conditions associated with chronic inflammation and for the purpose of anti-aging. They have been given one intravenous infusion of UC-MSCs. Results: Our study of blood test markers of 20 patients with chronic inflammation before and within three months after MSCs treatment demonstrates that there are no significant changes and MSCs treatment was safe for the patients. Analysis of different indicators of chronic inflammation and aging included in initial, 24-hours, two weeks and three months protocols showed that stem cell treatment was safe for the patients; there were no adverse reactions. Moreover, data from follow-up protocols demonstrate significant improvement in energy level, hair, nail growth and skin conditions. Conclusion: Intravenously administered UC-MSCs were safe and effective in the improvement of symptoms related to chronic inflammation. Further close monitoring and inclusion of more patients are necessary to fully characterize the advantages of UC-MSCs application in treatment of symptoms related to chronic inflammation.

Research on Improving the Strategy of Open Pit Iron Mines’ Supply Capacity - Based on the Multivariate Cluster Analysis

The supply capacity of mine resources is influenced by the production capacity, oregrades,reserves. In accordance with the analysis of different indicators, resources’ supply capacity of mines are not the same. Multivariate cluster analysis avoids the defects of the evaluation of single index. By using the method of multivariate cluster analysis to analyze on the medium-sized open iron mines in China, and the results show that open pit iron mines in China can be divided into four categories. According to the different characteristics, different strategies should be taken to improve the supply capability of resources.

MERE AKTIVNE POLITIKE ZAPOŠLJAVANJA U FUNKCIJI SMANJENJA NEZAPOSLENOSTI

Employment measures of the state can have a significant impact on employment, especially of those people who have difficulties entering the labor market.These measures don’t only stimulate employers, but also provide incentives for selfemployment. The increase of government expenses on active labor market programs, particularly in Central and Eastern Europe, reduces unemployment, but rapid Babic, V. Mere aktivne politike zaposljavanja FBIM Transactions Vol.2 No.1 pp.101-110 102 MESTE Published: January 2014 economic growth and development is impossible without an increase of business investment. Serbia's unemployment rate is extremely high, and its reduction will result from employment policy measures that must comply with the requirements of the labor market, educational policy and scientific and technological development, while creating jobs in the private sector.This paper aims to show how much the developed countries of the EU, the countries of Central and Eastern Europe and Serbia invested in active employment measures in the past, and it also shows the way those investments led to a decrease in unemployment. The structure of the measures taken to reduce unemployment, and the objectives and priorities of the national strategy for employment in Serbia are also presented. For this purpose, a comparative analysis of different indicators was carried out. The conclusion is that by using the measures of active employment policy states can significantly decrease unemployment, but these measures must be combined with investment activities.

Using Global Datasets to Create Environmental Profiles for Data-Poor Regions: A Case from the Irrawaddy and Salween River Basins

The increasing availability of spatial data inspires the exploration of previously less-studied, yet regionally and nationally important areas, such as the Irrawaddy and Salween River Basins in Southeast Asia. This article documents our experience using global datasets to create environmental basin profiles in these two basins. Our approach draws on the concepts of freshwater vulnerability assessments that guided the selection of indicators. Data on land use, population distribution and fertilizer load were used. The unit of analysis was chosen to distinguish areas with similar bio-geographical characteristics, such as the critical delta areas. Results were further discussed for sub-areas that experience relatively the most pressure in terms of examined indicators within the studied area. The river mouths of both rivers had the most intensive land use and high population density. They are also home to important ecosystems and are sensitive to changes in upstream areas. Our study presents a concise and spatially distributed view of the environmental basin profiles of the Irrawaddy and Salween River Basins. The analysis also provides some interesting methodological insights about the potential of public macro-scale datasets for environmental assessment. The spatial approach allowed the analysis of different indicators, providing a platform for data integration as well as a visually powerful overview of the study area. Yet, the use of macro-scale datasets entails challenges. Despite improvements, the assessment process tends to be driven by the availability and quality of data, rather than by the actual research and management needs. The greatest utility of macro-scale datasets lies-at least in data-poor areas-in larger scale comparative analyses between the basins and their different sub-areas.

Iodine deficiency in Calabria: characterization of endemic goiter and analysis of different indicators of iodine status region-wide.

The distribution of goiter prevalence in schoolchildren (no.=13,984, age 6-14 yr), the neonatal TSH results obtained from the congenital hypothyroidism screening program and the urinary iodine excretion values (no.=284) were employed for the assessment of iodine deficiency in Calabria, a Southern Italy region. Data were collected during the years 1990-1996. In the inland territory, goiter prevalence ranged from 19 to 64%. At sea level, there was a great variability of goiter prevalence, with values varying from 5.3 to 25.7%. The analysis of the neonatal hypothyroidism screening program data (no.=21,078) showed a 14.8% frequency of TSH levels >5 microU/ml whole blood in newborns from the inland territory and a 14.1% frequency at sea level. Urinary iodine excretion resulted (mean+/-SD) 53.8+/-43.4 microg/l (range: <20 to 189 microg/l) in the inland territory and 89.6+/-59.8 microg/l (range: 26 to 333 microg/l) at sea level. Median urinary iodine excretion values in 13 villages or small towns of the inland territory ranged from 31 to 57 microg/l. In 2 major towns located at sea level, the median iodine excretion values were 72 microg/l in Crotone main city and 94 microg/l in Reggio Calabria main city. The data indicated that moderate, with pockets of severe iodine deficiency is present in the inland region while iodine supply varies from sufficient to marginally low in the coastal areas. Mild iodine deficiency was found in a major town located at sea level.