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Experimental measurement and correlation of solubility of β-carotene in pure and ethanol-modified subcritical water

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Chinese Journal of Chemical Engineering 2020年第10期28卷 2620-2625页

作者： Hadi Share Mohammadi ali haghighi As Maryam Khajenoori Faculty of Chemical Petroleum and Gas EngineeringSemnan UniversitySemnan 35131-19111Iran

For the first time,the solubility ofβ-carotene in pure and ethanol-modified subcritical water(SW)using the static method was *** experimental runs were performed at a temperature ranging from 298.15 to 403.15 K and 0–10%(w/w)of ethanol as a modifier at a constant pressure of 5 *** were analyzed by UV–vis *** solubility ofβ-carotene was found to range from 1.084×10^-8 to 227.1×10^-8 mol fractions in the subcritical water in above mentioned *** obtainedβ-carotene solubility data were correlated using the linear model and modified Apelblat *** obtained results showed the modified Apelblat model was better for estimating the solubility ofβ-carotene in *** values of the rootmean-square deviation(RMSD)between experimental and correlated data were calculated and used as the index of validity and accuracy for the ***,thermodynamic properties of the solution such as the Gibbs free energy of solution,enthalpy,and entropy of solution were estimated.

关键词： Subcritical water β-Carotene Solubility Semi-empirical model

Using uncertainty and sensitivity analysis for finding the best rainfall-runoff model in mountainous watersheds(Case study: the Navrood watershed in Iran)

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Journal of Mountain Science 2019年第3期16卷 529-541页

作者： Arash ADIB Morteza LOTFIRAD ali haghighi Civil Engineering Department Engineering FacultyShahid Chamran University of Ahvaz

In watersheds that have not sufficient meteorological and hydrometric data for simulating rainfall-runoff events, using geomorphologic and geomorphoclimatic characteristics of watershed is a conventional method for the simulation. A number of rainfall-runoff models utilize these characteristics such as Nash-IUH, Clark-IUH, Geomorphologic Instantaneous Unit Hydrograph(GIUH), Geomorphoclimatic Instantaneous Unit Hydrograph(GcIUH), GIUH-based Nash(GIUH-Nash) and GcIUH-based Clark(GcIUH-Clark). But all these models are not appropriate for mountainous watersheds. Therefore, the objective of this study is to select the best of them for the simulation. The procedure of this study is: a) selecting appropriate rainfall-runoff events for calibration and validation of six hybrid models, b) distinguishing the best model based on different performance criteria(Percentage Error in Volume(PEV); Percentage Error in Peak(PEP); Percentage Error in Time to Peak(PETP); Root Mean Square Error(RMSE) and Nash-Sutcliffe model efficiency coefficient(ENS)), c) Sensitivity analysis for determination of the most effective parameter at each model, d) Uncertainty determination of different parameters in each model and confirmation of the obtained results by application of the performance criteria. For application of this procedure, the Navrood watershed in the north of Iran as a mountainous watershed has been considered. The results showed that the ClarkIUH and GcIUH-Clark are suitable models for simulation of flood hydrographs, while other models cannot simulate flood hydrographs appropriately. The sensitivity analysis shows that the most sensitive parameters are the infiltration constant rate and time of concentration in the Clark-IUH model. Also, the most sensitive parameters include the infiltration constant rate and storage coefficient in the GcIUHClark model. The Clark-IUH and GcIUH-Clark models are more sensitive to their parameters. The Latin Hypercube Sampling(LHS) on Monte Carlo(MC) si

关键词： Sensitivity analysis Uncertainty analysis Clark-IUH GcIUH-Clark GIUH-Nash Monte Carlo simulation method

A review of science–policy interface for water governance in the Caspian Sea

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干旱区科学:英文版 2023年第10期15卷 1143-1159页

作者： Apoorva BAMAL Sogol MORADIAN ali TORABI-haghighi Agnieszka INDIANA-OLBERT College of Science and Engineering University of GalwayGalway H91 TK33Ireland Ryan Institute University of GalwayGalway H91 TK33Ireland MaREI Research Centre University of GalwayGalway H91 TK33Ireland Eco-HydroInformatics Research Group(EHIRG) Civil EngineeringNational University of Ireland GalwayGalway H91 TK33Ireland Water Energy and Environmental Engineering Research Unit University of OuluOulu FI-90014Finland

Science and policy have been interlinked for decades and perform essential nexus conditions in the governing aspects of environmental *** review paper examines the present challenges in the science–policy interface in terms of water governance in the Caspian Sea and identifies effective conditions that may be used in the current context to enhance the *** evaluation of the science–policy link in the water policy of the Caspian Sea reveals a gap between knowledge producer and governance system,impeding the translation of scientific information into *** and context-dependent solutions make it challenging to establish effective science–policy processes in the Caspian Sea water governance *** a common governing authority,implementing water and resource management regulations,and protecting the natural environment through legal frameworks are crucial steps to address these concerns and ensure sustainable *** among coastal states is essential in environmental,economic,and social aspects of regional ***,the lack of a comprehensive approach,coherent activities,and effective utilization of national and regional power has hindered efforts to halt the environmental degradation of the Caspian *** governments need to recognize their responsibility to protect and utilize the Caspian Sea for present and future generations,considering both environmental and human *** interlinkage of the Caspian Sea water governance with the Organization for Economic Co-operation and Development(OECD)water governance principles offers a framework for policymakers to assess gaps and make necessary amendments to existing *** science–policy interaction,engagement of diverse stakeholders,institutionalizing agreements,and addressing collective action issues are critical for successful water governance.

关键词： resource management Organization for Economic Co-operation and Development water security water governance principle Caspian Sea

Machine learning model for snow depth estimation using a multisensory ubiquitous platform

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Journal of Mountain Science 2022年第9期19卷 2506-2527页

作者： Sofeem NASIM Mourad OUSSALAH Björn KLÖVE ali Torabi haghighi Department of Computer Science and Engineering University of OuluOulu 90570Finland Water Energy and Environmental EngineeringUniversity of OuluOulu 90570Finland

Snow depth estimation is an important parameter that guides several hydrological applications and climate change *** advances in remote sensing technology and enhanced satellite observations,the estimation of snow depth at local scale still requires improved accuracy and *** advances in ubiquitous and wearable technology promote new prospects in tackling this *** this paper,a wearable IoT platform that exploits pressure and acoustic sensor readings to estimate and classify snow depth classes using some machine-learning models have been put ***,the results of Random Forest classifier showed an accuracy of 94%,indicating a promising alternative in snow depth measurement compared to in situ,LiDAR,or expensive large-scale wireless sensor network,which may foster the development of further affordable ecological monitoring systems based on cheap ubiquitous sensors.

关键词： Snow depth Wearable technology Machine learning Random forest classifier

Challenging loop-mediated isothermal amplification(LAMP) technique for molecular detection of Toxoplasma gondii

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Asian Pacific Journal of Tropical Medicine 2015年第5期8卷 366-372页

作者： Shirzad Fallahi Zahra Arab Mazar Mehrdad Ghasemian ali haghighi Department of Medical Parasitology and Mycology School of MedicineLorestan University of Medical Sciences Department of Medical Parasitology and Mycology School of MedicineShahid Beheshti University of Medical Sciences Department of Medical Parasitology and Mycology School of MedicineIran University of Medical Sciences

Objective:To compare analytical sensitivity and specificity of a newly described DNA amplification *** and nested PCR assay targeting the RE and Bl genes for the detection of Toxoplasma gondii(***) ***:The analytical sensitivity of LAMP and ncstcd-PCR was obtained against 10-fold serial dilutions of *** DNA ranging from 1 ng to 0.01 *** samples of other parasites and human chromosomal DNA were used to determine the specificity of molecular ***:After testing LAMP and nesled-PCR in duplicate,the detection limit of RE-LAMP.B1-LAMP,RE-nested PCR and B1-nested PCR assays was one fg.100 fg,1 pg and 10 pg of *** DNA *** the LAMP assays and nested PCRs were 100% *** RE-LAMP assay revealed the most sensitivity for the detection of *** ***:The obtained results demonstrate that the LAMP technique has a greater sensitivity for detection of ***,these findings indicate that primers based on the RE are more suitable than those based on the B1 ***,the B1-LAMP assay has potential as a diagnostic tool for detection of ***.

关键词： LAMP Nested-PCR Molecular detection Toxoplasma gondii

Assessing morphological changes in a human-impacted alluvial system using hydro-sediment modeling and remote sensing

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International Journal of Sediment Research 2021年第3期36卷 439-448页

作者： Mohammad Reza Shojaeian Zahra Karimidastenaei Omid Rahmati ali Torabi haghighi Water Energy and Environmental Engineering Research Unit University of Oulu Soil Conservation and Watershed Management Research Department Kurdistan Agricultural and Natural Resources Research and Education CenterAREEO Sanandaj 661693 6311 Iran Mohammad Reza Shojaeiana Zahra Karimidastenaeia * Omid RahmatibAli Torabi Haghighia aWater Energy and Environmental Engineering Research Unit University of Oulu P.O.Box 4300 FIN-90014 Oulu Finland bSoil Conservation and Watershed Management Research Department Kurdistan Agricultural and Natural Resources Research and Education CenterAREEO

Construction of managed aquifer recharge structures(MARS) to store floodwater is a common strategy for storing depleted groundwater resources in arid and semi-arid regions, as part of integrated water resources management(IWRM). MARS divert surface water to groundwater, but this can affect downstream fluvial processes. The impact of MARS on fluvial processes was investigated in this study by combining remote sensing techniques with hydro-sediment modeling for the case of the Kaboutar-aliChay aquifer, northwestern Iran. The impact of MARS on groundwater dynamics was assessed, sedimentation across the MARS was modeled using a 2 D hydrodynamic model, and morphological changes were quantified in the human-impacted alluvial fan using Landsat time series data and statistical methods. Changes were detected by comparing data for the periods before(1985 e1996) and after(1997 e2018) MARS construction. The results showed that the rate of groundwater depletion decreased from2.14 m/yr before to 0.86 m/yr after MARS construction. Hydro-sediment modeling revealed that MARS ponds slowed water outflow, resulting in a severe decrease in sediment load which lead to a change from sediment deposition to sediment erosion in the alluvial fan. Morphometric analyses revealed decreasing alluvial fan area and indicated significant differences(p ali-Chay alluvial fan changed from à0.228 to à0.115 km2/year between pre-and post-impact periods.

关键词： Groundwater recharge MARS CCHE2D Landsat Statistical analysis Alluvial fan

Sustainability and virtual water:The lessons of history

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Geography and Sustainability 2022年第4期3卷 358-365页

作者： Majid Labbaf Khaneiki Abdullah Saif Al-Ghafri Björn Klöve ali Torabi haghighi UNESCO Chair on Aflaj Studies and Archaeo-Hydrology University of NizwaNizwaOman Water Energy and Environmental Engineering UnitFaculty of TechnologyUniversity of OuluOuluFinland

This article aims to show that virtual water has historically been an adaptation strategy that enabled some arid regions to develop a prosperous economy without putting pressure on their scarce water *** water is referred to as the total amount of water that is consumed to produce goods and *** an example,in arid central Iran,the deficiency in agricultural revenues was offset by more investment in local industries that enjoyed a perennial capacity to employ more *** revenues of local industries weaned the population from irrigated agriculture,since most of their raw materials and also food stuff were imported from other regions,bringing a remarkable amount of virtual *** virtual water not only sustained the region’s inhabitants,but also set the stage for a powerful polity in the face of a rapid population growth between the 13th and 15th centuries *** resultant surplus products entailed a vast and safe network of roads,provided by both entrepreneurs and ***,it became possible to import more feedstock such as cocoons from water-abundant regions and then export silk textiles with considerable *** article concludes that a similar model of virtual water can remedy the ongoing water crisis in central Iran,where groundwater reserves are overexploited,and many rural and urban centers are teetering on the edge of socio-ecological *** holds an urgent lesson on sustainability for our today’s policy that stubbornly peruses agriculture and other high-water-demand sectors in an arid region whose development has always been dependent on virtual water.

关键词： Proto-industrialization Water scarcity Non-hydraulic polity Virtual water Political economy

Genuine entanglement under squeezed generalized amplitude damping channels with memory

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Chinese Physics B 2024年第2期33卷 158-163页

作者： Mazhar ali Department of Electrical Engineering Faculty of EngineeringIslamic University MadinahMadinah 107Saudi Arabia

We study genuine entanglement among three qubits undergoing a noisy process that includes dissipation, squeezing,and decoherence. We obtain a general solution and analyze the asymptotic quantum states. We find that most of these asymptotic states can be genuinely entangled depending upon the parameters of the channel, memory parameter, and the parameters of the initial states. We study Greenberger–Horne–Zeilinger(GHZ) states and W states, mixed with white noise,and determine the conditions for them to be genuinely entangled at infinity. We find that for these mixtures, it is possible to start with a bi-separable state(with a specific mixture of white noise) and end with genuine entangled states. However, the memory parameter μ must be very high. We find that in contrast to the two-qubit case, none of the three-qubit asymptotic states for n → ∞ are genuinely entangled.

关键词： genuine entanglement squeezed thermal baths multipartite states

Heat transfer analysis in particle-laden flows using the immersed boundary method

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Particuology 2024年第7期90卷 394-403页

作者： ali Abbas Zaidi Department of Mechanical Engineering University of Manitoba75A Chancellors CircleWinnipegR3T 5V6Canada

This paper investigates an efficient immersed boundary method(IBM)for multiple-core CPU machines with local grid refinement for the calculation of heat transfer between fluids and finite-sized *** fluid momentum equations are solved by using the fractional step method,while the energy equation is solved by employing the second-order Adams-Bashforth *** efficient load balancing between the CPU cores,the coupling between particles and fluid is obtained by applying the body force in the fluid equations,which depends on the solid volume fraction of particles contained in each grid cell,and then by linearly interpolating the particle temperature and velocity on the fluid grid cell(in place of the delta function commonly used in literature).Several test cases from the literature are studied,and good agreement is observed between the simulation results and the ***,a scaling study on multiple core machines is performed,demonstrating the proposed IBM's capabilities for a significant reduction in processing time.

关键词： Heat transfer Immersed boundary method Particle resolved direct numerical simulations Fluid solid interactions