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Case Theory - PubAg

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Last Updated: 16 October 2021

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Construction and case study of rural environmental value-added evaluation system based on emergy theory

Country environment and preparation continue to get widespread interest. Based on the emergy evaluation theory, this paper constructed a rural ecological value-added examination system with resource, advancement, space and environmental security as the element layer. Based on this system, the value-added situation of the socio-economic-natural composite eco-friendly environment of Queshan Village in Shanxi Province from 2010 to 2015 was quantitatively evaluated, and the development method was proposed. It revealed that the ecological environment development of Queshan Village was adverse in the assessment period, and the development showed an inequality law and an unsustainable development pattern. This technique constructs a quantitative analysis system for rural ecological value-added evaluation, and has particular theoretical and sensible value in country planning guidance and evaluation.

Source link: https://pubag.nal.usda.gov/catalog/7281041


Lifshitz theory of wetting films at three phase coexistence: The case of ice nucleation on Silver Iodide (AgI)

The van der Waals forces for the two variable adsorption layers may be developed specifically from Dzyaloshinskii-Lifshitz-Pitaevskii theory, and analytical approximations might be derived that extent well beyond the legitimacy of traditional Hamaker theory. We consider the adsorption stability of water vapor on Silver Iodide where a water and both ice layers can form concurrently and contend for the vapor as the three-way point is come close to.

Source link: https://pubag.nal.usda.gov/catalog/7268381


A Case Study of Flood Risk Evaluation Based on Emergy Theory and Cloud Model in Anyang Region, China

In order to successfully estimate and evaluate the risks brought by flood calamities, this paper suggests a local flood calamity threat assessment design incorporating emergy theory and the cloud model. The cloud model can change the unpredictability in flood danger analysis into assurance in a suitable way, making the urban flood danger analysis extra accurate and reliable. In this research, the flooding risk assessment version combines the benefits of both study techniques to establish a social and all-natural twin flooding danger analysis system. Based on this, the danger evaluation system of the flooding risk cloud model is established. This model was used in a flooding disaster risk evaluation, and the risk level was divided into five degrees: really reduced danger, reduced threat, medium threat, high risk, and very high risk. Flooding danger threat outcomes were gotten by utilizing the worsening weight technique and fuzzy change method.

Source link: https://pubag.nal.usda.gov/catalog/7295124


Fit-for-Purpose Land Administration from Theory to Practice: Three Demonstrative Case Studies of Local Land Administration Initiatives in Africa

The search for tools for making certain that land difficulties are solved in manner ins which rapidly respond to local truths is what caused the growth of the fit-for-purpose land administration. The short article presents case studies from 3 sub-Saharan African nations on local-level experiences in the applications of fit-for-purpose guidelines as an enabler for taking part in tenure security creating activities in neighborhoods.

Source link: https://pubag.nal.usda.gov/catalog/7388080


An analysis of urban form factors driving Urban Heat Island: the case of Izmir

The Urban Heat Island effect is an usual sensation in many cities across the world that has significant socioeconomic and environmental ramifications. As an action towards loading this space, in this study, we use a mixed-methods approach, entailing chart theory and spatial data to check out the relationship in between the UHI result and picked city form procedures such as road network connection, road network midpoint, and land-use in Izmir, Turkey. Outcomes reveal that the UHI effect is much more extreme in locations with higher degrees of street network midpoint.

Source link: https://pubag.nal.usda.gov/catalog/7358364


Game theory and hybrid genetic algorithm for energy management and real-time pricing in smart grid: the Tunisian case

Microgrids are the trick for integrating renewable resource from various resources into smart grid, that is why power grid advances into a combination of interconnected microgrids. We suggest a design for the power exchange which verifies the possibility of using game theory in the advancement of both real-time rates and energy administration mechanism for an open electrical energy market. Outcomes reveal that the proposed smart energy management can reduce the actual expense of power approximately 20%, to separate the energy transmission losses by a factor of two and to lower the carbon exhaust in the location of Beja.

Source link: https://pubag.nal.usda.gov/catalog/7084456


Using case specific experiments to evaluate fingermarks on knives given activity level propositions

In this paper, we demonstrate just how case specific experiments can be utilized to assign chances to the states of the nodes of a Bayesian network for the assessment of fingermarks offered activity degree suggestions. The transfer, perseverance and recovery of fingermarks on knives is examined in experiments where a knife is either utilized to stab a victim or to reduce food, standing for the tasks that were contested when it comes to the murder of Meredith Kercher.

Source link: https://pubag.nal.usda.gov/catalog/7271372


An optimized evaluation method of an urban ecological network: The case of the Minhang District of Shanghai

Getting the qualities of an urban ecological network structure and connectivity plays an essential leading function in the concrete implementation of environmental building and construction in a space. Resistance task is a crucial action in eco-friendly network building. Nevertheless, a lot of study disregards the diversity of land use in an urbanization environment and the distinction in between eco-friendly space centres and boundaries. By integrating the morphological spatial pattern evaluation approach and graph theory, the resistance worth of various metropolitan land usages was evaluated, and the environmental network was constructed by comprehensively thinking about the land usage types, land location, kinds, and placements. The contribution worth of each node to the general network connectivity was impacted by the flexibility of the varieties, the node location, the spatial location, and the surrounding matrix environment.

Source link: https://pubag.nal.usda.gov/catalog/7355624

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions