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Impact of trimming intensity on the growth of mangrove in Iran

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Journal of Arid Land 2024年第12期16卷 1701-1713页

作者： Maryam MOSLEHI akram AHMADI Tom PYPKER Research Division of Natural Resources Hormozgan Agricultural and Natural Resources Research and Education CenterAgricultural ResearchEducation and Extension Organization(AREEO)Bandar Abbas ***Iran Research Division of Natural Resources Golestan Agricultural and Natural Resources Research and Education CenterAREEOGorgan ***Iran Thompson Rivers University Kamloops V2C 0C8Canada

Mangrove forests in southern Iran are of high ecological and economic *** forests are being threatened because of uncontrolled harvesting to provide fodder for *** objective of this study is to provide recommendations for appropriate harvesting intensities by quantifying the effect of different harvesting intensities on vegetative and vigor characteristics of mangrove *** study was conducted using a randomized complete block design comprising four treatments(10.00%,20.00%,and 30.00% trimming,along with a control)replicated three *** characteristics were measured before and after trimming(five-year period)and analyzed using generalized linear model statistical *** growths of the average diameter of canopy,canopy area,canopy volume,canopy height,tree height,and collar diameter in the control treatment were all significantly higher than those in the trimming *** addition,there was a decreasing trend in leaf fresh and dry mass,leaf area index,total area of canopy leaves,and health status of tree in the trimming *** example,the percentage change in fresh and dry leaf mass in the control treatment was positive(29.87% and 38.31%,respectively),whereas the trimming treatments of 10.00%,20.00% and 30.00% had negative effects(-7.01% and -4.79%,-11.32% and -14.30%,and -15.84% and -17.29%,respectively).In addition,the changes in leaf area index in the control(4.95%)and 30.00% trimming(-24.57%)treatments were the highest and lowest,*** percentage change in soil organic matter in the control,10.00%,20.00%,and 30.00% treatments were 22.94%,-9.90%,-16.91%,and -18.68%,*** study demonstrated that gray mangrove trees were highly sensitive to canopy trimming,with even minimal trimming intensities negatively affecting vegetative growth and soil organic ***,it is recommended that cutting and trimming of mangrove trees should be prevented even at low intensity to preserve mangrov

关键词： trimming mangrove ecosystem vegetative characteristic harvest intensity soil organic matter Khamir Port

Phase and domain engineering strategy for enhancement of piezoelectricity in the lead-free BiFeO_(3)-BaTiO_(3)ceramics

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Journal of Materiomics 2023年第5期9卷 920-929页

作者： Muhammad Habib Xuefan Zhou Lin Tang Guoliang Xue Fazli akram Meshal Alzaid Dou Zhang State Key Laboratory of Powder Metallurgy Central South UniversityChangshaHunan410083China Department of Chemistry Clark Atlanta UniversityAtlantaGA30314United States Department of Physics College of ScienceJouf UniversityAl-JoufSakakaP.O.Box 2014Saudi Arabia

Lead-free BiFeO_(3)-BaTiO_(3)ceramics attract widespread attention over the last two decades due to their high Curie temperature(TC)and excellent piezoelectric ***,in the Nd-modified 0.67BiFeO_(3)-0.33BaTiO_(3)ceramics,an excellent piezoelectric constant(d33)of 325 pC/N was achieved by applying a novel poling method(AC-biasþDC-bias)with a high TC of 455℃.In addition,an ultrahigh normalized piezoelectric strain(d33*¼Smax/Emax)of 808 pm/V was obtained at the normal/typical and relaxor-ferroelectrics phase boundary simultaneously with good thermal stability(Dd33*(T)z 20%)in the temperature range of 25e125℃.The piezoelectric force microscopy results show the domain miniaturization from micro to nanoscale/polar nano-regions due to local structure heterogeneity caused by Nd *** mechanism for the giant piezoelectric strain is attributed to the thermal quenching,nano-domains,and reverse switching of the short-range order to the long-range order under the applied electric *** strategic design of domain engineering and a proposed model for the high piezoelectricity is successfully supported by the phenomenological relation and Gibbs free energy *** this work,a new lead-free single-element modified BiFeO_(3)-BaTiO_(3)ceramics was developed by applying a synergistic approach of domain engineering and phase boundary for the high-temperature piezoelectric performance.

关键词： Domain engineering BiFeO_(3)-BaTiO_(3) Piezoelectric Temperature-stability

Enhancing ChatGPT’s Querying Capability with Voice-Based Interaction and CNN-Based Impair Vision Detection Model

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Computers, Materials & Continua 2024年第3期78卷 3129-3150页

作者： Awais Ahmad Sohail Jabbar Sheeraz akram Anand Paul Umar Raza Nuha Mohammed Alshuqayran College of Computer and Information Sciences Imam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudia Arabia 2 School of Computer Science and EngineeringKyungpook National UniversityDaegu41566South Korea 3 Department of EngineeringManchester Metropolitan UniversityManchesterM156BHUK

This paper presents an innovative approach to enhance the querying capability of ChatGPT,a conversational artificial intelligence model,by incorporating voice-based interaction and a convolutional neural network(CNN)-based impaired vision detection *** proposed system aims to improve user experience and accessibility by allowing users to interact with ChatGPT using voice ***,a CNN-based model is employed to detect impairments in user vision,enabling the system to adapt its responses and provide appropriate *** research tackles head-on the challenges of user experience and inclusivity in artificial intelligence(AI).It underscores our commitment to overcoming these obstacles,making ChatGPT more accessible and valuable for a broader *** integration of voice-based interaction and impaired vision detection represents a novel approach to conversational ***,this innovation transcends novelty;it carries the potential to profoundly impact the lives of users,particularly those with visual *** modular approach to system design ensures adaptability and scalability,critical for the practical implementation of these ***,the solution places the user at its *** responses for those with visual impairments demonstrates AI’s potential to not only understand but also accommodate individual needs and preferences.

关键词： Accessibility in conversational AI CNN-based impair vision detection ChatGPT voice-based interaction recommender system

Deep Learning-Based ECG Classification for Arterial Fibrillation Detection

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Computers, Materials & Continua 2024年第6期79卷 4805-4824页

作者： Muhammad Sohail Irshad Tehreem Masood Arfan Jaffar Muhammad Rashid Sheeraz akram Abeer Aljohani Faculty of Computer Science&Information Technology The Superior UniversityLahore54000Pakistan Intelligent Data Visual Computing Research(IDVCR) Lahore54000Pakistan Department of Computer Science National University of TechnologyIslamabad45000Pakistan Information Systems Department College of Computer and Information SciencesImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudi Arabia Department of Computer Science Applied CollegeTaibah UniversityMedina42353Saudi Arabia

The application of deep learning techniques in the medical field,specifically for Atrial Fibrillation(AFib)detection through Electrocardiogram(ECG)signals,has witnessed significant *** and timely diagnosis increases the patient’s chances of ***,issues like overfitting and inconsistent accuracy across datasets remain *** a quest to address these challenges,a study presents two prominent deep learning architectures,ResNet-50 and DenseNet-121,to evaluate their effectiveness in AFib *** aim was to create a robust detection mechanism that consistently performs *** such as loss,accuracy,precision,sensitivity,and Area Under the Curve(AUC)were utilized for *** findings revealed that ResNet-50 surpassed DenseNet-121 in all evaluated *** demonstrated lower loss rate 0.0315 and 0.0305 superior accuracy of 98.77%and 98.88%,precision of 98.78%and 98.89%and sensitivity of 98.76%and 98.86%for training and validation,hinting at its advanced capability for AFib *** insights offer a substantial contribution to the existing literature on deep learning applications for AFib detection from ECG *** comparative performance data assists future researchers in selecting suitable deep-learning architectures for AFib ***,the outcomes of this study are anticipated to stimulate the development of more advanced and efficient ECG-based AFib detection methodologies,for more accurate and early detection of AFib,thereby fostering improved patient care and outcomes.

关键词： Convolution neural network atrial fibrillation area under curve ECG false positive rate deep learning classification

Modified ALPPS as an individual rescue treatment strategy for resection of Klatskin tumors

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Hepatobiliary & Pancreatic Diseases International 2023年第1期22卷 85-87页

作者： Gregor A Stavrou Dimitrios Kardassis Laura Ann Blatt akram Gharbi Marcello Donati Department of General Visceral and Thoracic SurgerySurgical OncologyKlinikum SaarbrueckenSaarbrueckenGermany Department of Surgery and Medical-Surgical Specialties University of CataniaCataniaItaly

Surgery for Klatskin tumors is a complex procedure often requiring extended hepatectomy combined with vascular and bileduct reconstruction in the setting of cholestasis,cholangitis,impaired liver regeneration and small future liver remnant(FLR)usually measured on computed tomography(CT)volumetry in a standardized(s FLR)*** morbidity is as high as 70%,andpublished literature estimates mortality around 15%[1].Carefulstrategic planning and modulation of the FLR are factors improving outcomes.

关键词： Surgery tumors mortality

Microwave-assisted aldol condensation of benzil with ketones

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Chinese Chemical Letters 2009年第4期20卷 401-403页

作者： Katayoun Marjani Maryam Asgari akram Ashouri Gholam Hossein Mahdavinia Hossien Abbastabar Ahangar Faculty of Chemistry Tarbiat Moallem UniversityP.O.Box 15614TehranIran Department of Chemistry Islamic Azad University-Marvdasht BranchMarvdashtIran

Under microwave irradiation, the corresponding hydroxycyclopentenones were prepared in high yields by the cross-aldol reactions of benzil with various ketones. When the reactions were performed in various solvents und... 详细信息

关键词： Benzil Microwave irradiation Cross-aldol reaction Hydroxycyclopentenones

The role of selected medicinal plants from Iranian traditional medicine for the treatment of fatigue in metabolic syndrome

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Traditional Medicine Research 2023年第4期8卷 49-63页

作者： akram Alembagheri Homa Hajimehdipoor Rasool Choopani Somayeh Esmaeili Student Research Committee Department of Traditional PharmacySchool of Traditional MedicineShahid Beheshti University of Medical SciencesTehran ***Iran Traditional Medicine and Materia Medica Research Center Department of Traditional PharmacySchool of Traditional MedicineShahid Beheshti University of Medical SciencesTehran ***Iran Department of Traditional Medicine School of Traditional MedicineShahid Beheshti University of Medical SciencesTehran ***Iran

Background:Fatigue is a symptom of metabolic disorders such as metabolic syndrome,which is currently increasing in the *** is no specific medication for fatigue,but in many cases,such as in metabolic disorders,it can be relieved by treating the underlying *** stress and inflammation are associated with fatigue and metabolic *** mechanisms in metabolic syndrome are also involved in causing ***:The aim of this study was to investigate the role of selected medicinal plants from Iranian traditional medicine(ITM)in improving fatigue in patients with metabolic ***:ITM is one of the most ancient systems of *** this article,we first explained fatigue,its types,and treatment from the perspective of ITM and then introduced a list of medicinal plants used in ITM to treat ***,we reviewed the biological effects of these plants effective in treating the manifestations of the metabolic syndrome based on a search of electronic ***:They have antioxidant,anti-inflammatory,and anti-diabetic *** them,Matricaria chamomilla L.,Laurus nobilis L.,Origanum majorana L.,Vitex agnus-castus L.,Lawsonia inermis L.,Anethum graveolens L.,and Pistacia terebinthus *** the lipid profile and reduce ***,the antihypertensive effects of Matricaria chamomilla,Laurus nobilis,and Origanum majorana have been ***:These plants prevent fatigue and disease progression by countering oxidative stress and inflammation and affecting the properties of the metabolic syndrome.

关键词： medicinal plants fatigue metabolic syndrome Iranian traditional medicine Persian medicine

Antibiotic susceptibility profiling and virulence potential of Campylobacter jejuni isolates from different sources in Pakistan

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Asian Pacific Journal of Tropical Medicine 2015年第3期8卷 197-202页

作者： Fariha Masood Siddiqui Muhammad akram Nighat Nourccn Zobia Noreen Habib Bokhari Department of Biosciences.COMSATS Institute of Information Technology

Objective:To determine antibiotic resistance patterns and virulence potential of Campylobacter jejuni(***) isolates from clinical human diarrheal infections,cattle and healthy ***:Antibiotic sensitivity patterns of *** isolates were determined by Kirby Bauer Disc Diffusion *** isolates were then subjected to virulence profiling for the detection of map A(membrane-associated protein).cadF(fibronectin binding protein).wlaN(beta-1.3-galaclosyltransferase) and neu AB(sialic acid biosynthesis gene).Further *** isolates were grouped by random amplification of polymorphic DNA(RAPD) ***:A total of436 samples from poultry(n=88).cattle(n=216) and humans(n=132) from different locations were *** revealed percentage of *** isolates were 35.2%(31/88).25.0%(54/216) and 11.3%(15/132) among poultry,cattle and clinical human samples *** susceptibility results showed that similar resistance patterns to cephalothin was ie.87.0%,87.1%and 89%among humans,poultry and cattle respectively,followed by sulfamethoxazolc+trimcthoprim 40.0%,38.7%and 31.0%in humans,poultry and cattle and Ampicillin 40%,32%and 20%in humans,poultry and cattle ***-lactamase activity was detected in 40.00%humans.20.37%cattle and 32.25%in poultry *** *** and mapA were present in all poultry,cattle and human C jejuni *** was not detected in any isolate and neu AB was found in 9/31(36%) poultry *** profiling results suggested high diversity of *** ***:Detection of multidrug resistant *** strains from poultry and cattle is alarming as they can be potential hazard to ***,predominant association of virulence factors,cadF and map A(100%each) in *** isolates from all sources and neuAB(36%) with poultry isolates suggest the potential source of transmission of diverse types of *** to humans.

关键词： Campylobacter jejuni Antibiotic susceptibility Virulence genes PCR RAPD

Detection and Classification of Hemorrhages in Retinal Images

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Computer Systems Science & Engineering 2023年第2期44卷 1601-1616页

作者： Ghassan Ahmed Ali Thamer Mitib Ahmad Al Sariera Muhammad akram Adel Sulaiman Fekry Olayah College of Computer Science and Information Systems Najran UniversityNajran61441Saudi Arabia Department of Studies in Computer Science University of MysoreMysoreIndia

Damage of the blood vessels in retina due to diabetes is called diabetic retinopathy(DR).Hemorrhages is theﬁrst clinically visible symptoms of *** paper presents a new technique to extract and classify the hemorrhages in fundus *** normal objects such as blood vessels,fovea and optic disc inside retinal images are masked to distinguish them from *** masking blood vessels,thresholding that separates blood vessels and background intensity followed by a newﬁlter to extract the border of vessels based on orienta-tions of vessels are *** masking optic disc,the image is divided into sub-images then the brightest window with maximum variance in intensity is *** the candidate dark regions are extracted based on adaptive thresholding and top-hat morphological *** are extracted from each candidate region based on ophthalmologist selection such as color and size and pattern recognition techniques such as texture and wavelet *** different types of Support Vector Machine(SVM),Linear SVM,Quadratic SVM and Cubic SVM classiﬁer are applied to classify the candidate dark regions as either hemor-rhages or *** efﬁcacy of the proposed method is demonstrated using the standard benchmark DIARETDB1 database and by comparing the results with methods in *** performance of the method is measured based on average sensitivity,speciﬁcity,F-score and *** results show the Linear SVM classiﬁer gives better results than Cubic SVM and Quadratic SVM with respect to sensitivity and accuracy and with respect to speciﬁcity Quadratic SVM gives better result as compared to other SVMs.

关键词： Diabetic retinopathy hemorrhages adaptive thresholding support vector machine