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Piezoelectric atomizer in aeroponic systems:A study of some fluid properties and optimization of operational parameters

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Information Processing in Agriculture 2023年第4期10卷 564-580页

作者： Amir Hossein Mirzabe Ali Hajiahmad Ali Fadavi shahin Rafiee Department of Mechanics of Biosystem Engineering Faculty of Engineering&TechnologyCollege of Agriculture&Natural ResourcesUniversity of TehranKaraj ***Iran Department of Food Technology College of AburaihanUniversity of TehranTehran ***Iran

The piezoelectric method to atomize fluids in aeroponic systems is known as a new *** the current study,the effects of four independent variables on the misting rate were *** variables were Dosage of Chemical Fertilizer(DCF),the Height of Solution above Piezoelectric Ceramic(HSPC),Piezoelectric Location at the Bottom of the Container(PLBC),and the Container Geometry(CG).Physical properties such as fluid density,viscosity,surface tension,Total Dissolved Solids(TDS),and Electrical Conductivity(EC)of the solutions were ***,optimization was performed to determine suitable ranges of independent variables to get the optimum value of the misting *** showed that the HSPC,PLBC,and CG significantly affect the total misting rate(P<1%).Besides,the DCF,HSPC,and CG have significant effects on surface evaporation at a probability level of 1%.At the temperature of 25℃and for different concentrations of fertilizer,the density,viscosity,surface tension,TDS,and EC varied between 1002-1006.5 kg/m^(3),1.009-1.395 mPas,0.07182-0.07298 N/m,253-3397 mg/L,502-6795 mS/cm,*** misting rate ranged between 0.499 and 5.720 g/*** the outlet of the mist generation container,mass flow rate was in the range of 59.895 to 65.116 g/***,theoretically calculated mist average droplet size was in the range of 2.90 to 2.92 mm for different fertilizer *** present study is the first research on the factors affecting the ultrasonic mist production rate in an aeroponic *** future developments,effect of voltage,frequency,and using horn should be ***,similar research should be done in the field of gas-phase bioreactors(mist bioreactors).

关键词： Chemical fertilizer Ultrasonic Misting rate Viscosity Surface tension Surface evaporation

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A Review of Machine Learning and Algorithmic Methods for Protein Phosphorylation Site Prediction

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Genomics, Proteomics & Bioinformatics 2023年第6期21卷 1266-1285页

作者： Farzaneh Esmaili Mahdi Pourmirzaei shahin Ramazi Seyedehsamaneh Shojaeilangari Elham Yavari Department of Information Technology Tarbiat Modares UniversityTehran 14115-111Iran Department of Biophysics Faculty of Biological SciencesTarbiat Modares UniversityTehran 14115-111Iran Biomedical Engineering Group Department of Electrical Engineering and Information TechnologyIranian Research Organization for Science and Technology(IROST)Tehran 33535-111Iran

Post-translational modifications(PTMs)have key roles in extending the functional diversity of proteins and,as a result,regulating diverse cellular processes in prokaryotic and eukaryotic *** modification is a vital PTM that occurs in most proteins and plays a significant role in many biological *** in the phosphorylation process lead to multiple diseases,including neurological disorders and *** purpose of this review is to organize this body of knowledge associated with phosphorylation site(p-site)prediction to facilitate future research in this *** first,we comprehensively review all related databases and introduce all steps regarding dataset creation,data preprocessing,and method evaluation in p-site ***,we investigate p-site prediction methods,which are divided into two computational groups:algorithmic and machine learning(ML).Additionally,it is shown that there are basically two main approaches for p-site prediction by ML:conventional and end-to-end deep learning methods,both of which are given an ***,this review introduces the most important feature extraction techniques,which have mostly been used in p-site ***,we create three test sets from new proteins related to the released version of the database of protein post-translational modifications(dbPTM)in 2022 based on general and human *** online p-site prediction tools on newly added proteins introduced in the dbPTM 2022 release,distinct from those in the dbPTM 2019 release,reveals their *** other words,the actual performance of these online p-site prediction tools on unseen proteins is notably lower than the results reported in their respective research pape.

关键词： Phosphorylation Machinelearning Deep learning Post-translational modification Database

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Microbiostratigraphy of Kazhdumi Formation in the Northwestern Shiraz (Southwest Iran) on the Basis of Foraminifera and Calcareous Algae

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Acta Geologica Sinica(English Edition) 2011年第4期85卷 777-783页

作者： Mahnaz Parvaneh-Nejad SHIRAZI Mohammad BAHRAMI Bahman REZAEE shahin GHARAMANI Payam-e-Noor University Geology DepartmentShirazIran Shahid Bahounar Kerman University

The middle Cretaceous Kazhdumi Formation,with a thickness of 222 m,belongs to the Bangestan Group and occurs in the Zagros folded zone in southwest *** lower boundary with the Dariyan Formation is disconformable,which is recognized by iron oxides and *** recognized microfossils are Valvulammina sp.,Scandonea sp.,Daxia cenomana,Choffatela sp., Pseudolituonella reicheli and calcareous algae-Lithocodium aggregation（which belongs to the Sarvak Formation）,representing the beginning of *** microfossils are：Ammobaculites goodlandensis,Marsonella trochus,Hemicyclammina sigali,Praechrysalidina infracretacea,Orbitolina ***,Orbitolina（conicorbitolina）conica,Orbitolina subconcava,Salpingoporella sp.,Trinocladus tripolitanus,Trinocladus sp.,Permocalculus irenae and Dissocladella *** microfossils can be classified into five assemblage zones.

关键词： Kazhdumi Formation Middle Cretaceous calcareous algae Zagros Basin

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Numerical Investigation of Rotating Stall in Centrifugal Compressor with Vaned and Vaneless Diffuser

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Journal of Thermal Science 2015年第4期24卷 323-333页

作者： Taher Halawa Mohamed Alqaradawi Mohamed S.Gadala Ibrahim shahin Osama Badr Mechanical Engineering Department UBC-University of British ColumbiaVancouverB.C.Canada Mechanical Engineering Department Cairo University Mechanical & Industrial Engineering Department Qatar University Mechanical Engineering Department Abu Dhabi University Mechanical and Industrial Engineering Department Qatar UniversityDohaQatar Mechanical Engineering Department Benha University Mechanical Engineering Department British University

This study presents a numerical simulation of the stall and surge in a centrifugal compressor and presents a description of the stall development in two different *** first case is for a compressor with vaneless diffuser and the second is for a compressor with vaned diffuser of the vane island *** main aim of this study is to compare the flow characteristics and behavior for the two compressors near the surge operating condition and provide further understanding of the diffuser role when back flow occurs at *** showed that for a location near the diffuser entrance,the amplitude of the static pressure fluctuations for the vaneless diffuser case is higher than that for the vaned diffuser case near surge *** pressure fluctuations in the case of the vaneless diffuser appear with a gradual decrease of the mean pressure value as a part of the surge *** for the case of the vaned diffuser,the pressure drop during surge occurs faster than the case of the vaneless ***,results indicated that during surge in the case of vaneless diffuser,there is a region with low velocity and back flow that appears as a layer connecting all impeller passages near shroud surface and this layer develops in size with *** the other hand,for the case of vaned diffuser during surge,the low velocity regions appear in random locations in some passages and these regions expand with time towards the shroud *** showed that during stall,the impeller passages are exposed to identical impact from stall cells in the case of vaneless diffuser while the stall effect varies from passage to another in the case of the vaned diffuser.

关键词： centrifugal compressors rotating stall surge vaneless diffuser vaned diffuser

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Development of an intelligent system based on ANFIS for predicting wheat grain yield on the basis of energy inputs

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Information Processing in Agriculture 2014年第1期1卷 14-22页

作者： Benyamin Khoshnevisan shahin Rafiee Mahmoud Omid Hossein Mousazadeh Department of Agricultural Machinery Engineering Faculty of Agricultural Engineering and TechnologyUniversity of TehranKarajIran

Energy is regarded as one of the most important elements in agricultural *** the last decades energy consumption in agriculture has increased,so finding the relationship between energy consumption and crop yields in agricultural production can help to achieve sustainable *** this study several adaptive neuro-fuzzy inference system(ANFIS)models were evaluated to predict wheat grain yield on the basis of energy ***,artificial neural networks(ANNs)were developed and the obtained results were compared with ANFIS *** the best ANFIS structure gained in this study,R,RMSE and MAPE were calculated as 0.976,0.046 and 0.4,*** developed ANN was a multilayer perceptron(MLP)with eleven neurons in the input layer,two hidden layers with 32 and 10 neurons and one neuron(wheat grain yield)in the output *** the best ANN model,R,RMSE and MAPE were computed as 0.92,0.9 and 0.1,*** results illustrated that ANFIS model can predict the yield more precisely than ANN.

关键词： Wheat yield Energy consumption Prediction ANFIS ANN

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Energy use pattern and optimization of energy required for broiler production using data envelopment analysis

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Information Processing in Agriculture 2016年第2期3卷 83-91页

作者： Sama Amid Tarahom Mesri Gundoshmian Gholamhossein Shahgoli shahin Rafiee Department of Agricultural Machinery Engineering Faculty of Agriculture Technology And Natural ResourcesUniversity of Mohaghegh ArdabiliArdabilIran Department of Agricultural Machinery Engineering Faculty of Agriculture Engineering TechnologyUniversity of TehranKarajIran

A literature review shows that energy consumption in agricultural production in Iran is not efficient and a high degree of inefficiency in broiler production exists in *** consumption of broiler production in Ardabil province of Iran was studied and the nonparametric method of data envelopment analysis(DEA)was used to analyze energy efficiency,separate efficient from inefficient broiler producers,and calculate wasteful use of energy to optimize *** was collected using face-to-face questionnaires from 70 broiler farmers in the study *** returns to scale(CCR)and variable returns to scale(BCC)models of DEA were applied to assess the technical efficiency of broiler *** results indicated that total energy use was 154,283 MJ(1000 bird)^-1 and the share of fuel at 61.4%was the highest of all *** indices of energy efficiency,energy productivity,specific energy,and net energy were found to be 0.18,0.02 kg MJ^-1,59.56 MJ kg^-1,and^-126,836 MJ(1000 bird)^-1,*** DEA results revealed that 40%and 22.86%of total units were efficient based on the CCR and BCC models,*** average technical,pure technical,and scale efficiency of broiler farmers was 0.88,0.93,and 0.95,*** results showed that 14.53%of total energy use could be saved by converting the present units to optimal *** contribution of fuel input to total energy savings was 72%and was the largest share,followed by feed and electricity energy *** results of this study indicate that there is good potential for increasing energy efficiency of broiler production in Iran by following the recommendations for efficient energy use.

关键词： Broiler Data envelopment analysis Energy Technical efficiency

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Analysis and Modeling of Tooth-Tip Leakage Fluxes in a Radial-Flux Dual-Stator Machine with Diametrically Magnetized Cylindrical Permanent Magnets

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CES Transactions on Electrical Machines and Systems 2019年第4期3卷 382-388页

作者： Nejat Saed shahin Asgari Mojtaba Mirasalim the Electrical Machines and Transformers Research Laboratory Department of Electrical EngineeringAmirkabir University of TechnologyTehran 15916Iran Department of Electrical Engineering StMary’s UniversitySan AntonioTX 78228USA

Tooth-tip Leakage flux(TLF)has a major effect on the prediction of air-gap flux distribution and electromagnetic torque in the permanent magnet(PM)***,deriving a model for TLF is necessary for machine design and *** modeling of TLF can lead to fast and precise solutions,which ease the analysis of electromagnetic *** also provides the opportunity to increase torque density by more efficient utilization of PM’s volume and prevent saturation in machine *** paper presents a method for modeling and analyzing TLFs in a radial-flux dual-stator permanent magnet(DSPM)machine with diametrically magnetized cylindrical permanent magnets(DMCPM)in series and parallel magnetic circuit *** this model,some expressions in terms of machine dimensions are derived for the TLF *** element method(FEM)is applied to validate the proposed *** indicate that the maximum error between the proposed model and FEM is insignificant(less than 6%).Finally,by a prototyped machine the validity of the proposed model was investigated with the experimental tests.

关键词： Dual-stator permanent magnet(DSPM)machine diametrically magnetized cylindrical permanent magnet(DMCPM) tooth-tip leakage fluxes(TLFs).

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Effect of selenium application on phenylalanine ammonia-lyase(PAL)activity,phenol leakage and total phenolic content in garlic(Allium sativum L.)under NaCl stress

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Information Processing in Agriculture 2018年第3期5卷 339-344页

作者： Rozita Khademi Astaneh Sahebali Bolandnazar Fariborz Zaare Nahandi shahin Oustan Department of Horticultural Science University of TabrizTabrizIran Department of Soil Science University of TabrizTabrizIran

It is well known that salinity has badly effect on plant growth all over the world and greatly reduces crop production in the affected *** can function as an antioxidant in plants and also in low concentration can promotes plant growth and produce tolerance against *** study was conducted in order to determine the effects of selenium(Se)application(0,4,8 and 16 mg L^-1)on phenylalanine ammonia-lyase(PAL)activity,phenol leakage and total phenolic content of garlic under salt stress(0,30,60 and 90 mM NaCl).The highest PAL activity was recorded at 60 and 90 mM NaCl salinity with application of 8mg Se L^-***,when Se was added to the salt-stress garlic,the level of phenol leakage was decreased significantly at two levels of NaCl concentration(by 52%and 40%at 30 mM NaCl with application of 4 and 16 mg Se L^-1,and by 50%at 90 mM NaCl with application of 4mg Se L^-1,respectively)in comparison to the salt-stressed garlic without *** results showed that Se can increase the salt tolerance of garlic by protecting the cell membrane against lipid *** highest concentration of phenols was recorded at 90 mM NaCl salinity level with application of 4 and 8 mg Se L^-1,that respectively produced 59%and 51%higher phenols than control treatment without ***,application of optimal Se level can increase the potential of garlic in a medium with relatively high level of NaCl.

关键词： Selenium Phenylalanine ammonia lyase(PAL) Phenol Salinity

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Lavender and dodder combined herbal syrup versus citalopram in major depressive disorder with anxious distress: A double-blind randomized trial

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Journal of Integrative Medicine 2020年第5期18卷 409-415页

作者： Toktam Sadat Firoozeei Majid Barekatain Mehrdad Karimi Arman Zargaran shahin Akhondzadeh Hossein Rezaeizadeh Deportment of Persion Medicine School of Persian MedicineTehron University of Medical SciencesTehran ***Iran Department of Psychiatry 5chool of Medicine.lsfahan University of Medical Sctences.Isfahan ***Iran Depertment of Trditioniod Phormay School of Persion Medicine.Tehran Untiversity of Medical Sciences.Tehran *** Iran Pschitric Research Center Roozbeh HospitalTehran University of Medical Sctences.Tehran ***Iran

Background: Major depressive disorder(MDD) accompanied by anxious distress is a chronic and disabling disorder. Its conventional drug therapies often have low patient compliance due to drug-related side effects. In Persian medicine, lavender-dodder syrup is one formula often recommended for such ***: This study compares the effects of lavender-dodder syrup to the standard drug, citalopram, for treating MDD with anxious ***, setting, participants and intervention: This six-week, double-blind, randomized, clinical trial was carried out in a psychiatric outpatient clinic. During the six-week intervention period, patients in citalopram group received citalopram tablets 20 mg/d plus 5 mL placebo syrup every 12 h;patients in group B received placebo tablets once daily plus 5 mL of lavender-dodder herbal syrup every 12 *** outcome measures: Primary outcome measures, depression and anxiety, were evaluated using the Hamilton Depression/Anxiety Rating Scales, and were scored at the beginning of the study and at weeks three and six. Secondary outcome measures including response to treatment and remission rates were also compared between the two ***: Fifty-six participants with MDD and anxious distress were randomly assigned to two *** depression scores significantly decreased in citalopram and herbal groups at weeks three and six(time effect: P < 0.001), although the observed changes were not significantly different between the groups(intervention effect: P = 0.61). Mean anxiety scores were not significantly different between the two groups at week three(P = 0.75). However, at the end of week six, the observed decrease was significantly higher in the herbal syrup group than the citalopram group(intervention effect: P = 0.007).Conclusion: The herbal syrup is an effective and tolerable supplement for treating MDD with anxious *** registration number: IRCT2016102430459 N1 on Iranian Registry of Clinical Trials.

关键词： Persian medicine Traditional medicine Anxiety Depression Phytotherapy Lavender Dodder Citalopram

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Stabilization of chromium(Ⅵ) by hydroxysulfate green rust in chromium(Ⅵ)-contaminated soils

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Pedosphere 2021年第4期31卷 645-657页

作者： Leila ALIDOKHT shahin OUSTAN Alireza KHATAEE Mohammad R.NEYSHABURI Adel REYHANITABAR Faculty of Agriculture Department of Soil ScienceUniversity of TabrizTabriz 51666-16471(Iran) Research Laboratory of Advanced Water and Wastewater Treatment Processes Department of Applied ChemistryFaculty of ChemistryUniversity of TabrizTabriz 51666-16471(Iran) Department of Environmental Engineering Gebze Technical UniversityGebze 41400(Turkey)

Chromium(Cr)-contaminated soils pose a great environmental risk, with high solubility and persistent leaching of Cr(Ⅵ). In this study, hydroxysulfate green rust(GR_(SO4)), with the general formula Fe(Ⅱ)_(4) Fe(Ⅲ)_(2)(OH)_(12) SO_(4)·8 H_(2) O, was evaluated for its efficiency in Cr(Ⅵ) stabilization via Cr(Ⅵ) reduction to Cr(Ⅲ) in four representative Cr(Ⅵ)-spiked soils. The initial concentrations of phosphate buffer-extractable Cr(Ⅵ)(Cr(Ⅵ)b) in soils 1, 2, 3, and 4 were 382.4, 575.9, 551.3, and 483.7 mg kg^(-1), respectively. Reduction of Cr(Ⅵ) to Cr(Ⅲ) by structural Fe(Ⅱ)(Fe(Ⅱ)s) in GR_(SO4) in all studied soils was fast,wherein the application of GR_(SO4) markedly decreased the amount of Cr(Ⅵ)bat the Cr(Ⅵ)b/Fe(Ⅱ)s stoichiometric mole ratio of 0.33. The kinetics of Cr(Ⅵ)reduction by GR_(SO4) could not be determined as this reaction coincided with the release of Cr(Ⅵ) from soil during the experiment. The concentration of Cr(Ⅵ)bdecreased, as the Cr(Ⅵ)b/Fe(Ⅱ)s ratio decreased from 0.46 to 0.20, generally to below 10 mg kg^(-1). Back-transformation of the generated Cr(Ⅲ)was examined in the presence of manganese oxide birnessite at the birnessite/initial Cr(Ⅲ) mole ratio of 4.5. The results of batch tests showed that only 5.2% of the initial Cr(Ⅲ) was converted to Cr(Ⅵ) after two months, while under field capacity moisture conditions, less than 0.05% of the initial Cr(Ⅲ) was oxidized to Cr(Ⅵ) after six months. The results illustrated that remediation of Cr(Ⅵ)-contaminated soils would be fast, successful, and irreversible with an appropriate quantity of fresh GR_(SO_(4)).

关键词： batch system birnessite Cr(Ⅲ)oxidation layered double hydroxide reduction soil remediation

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