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Agro-Morphological Characterization and Genetic Dissection of Linseed(Linum usitatissimum L.)Genotypes

Phyton-International Journal of Experimental Botany 2022年第8期91卷 1721-1743页

作者： A.K.M.Golam Sarwar Md.Sabibul Haque Md.Ekramul Haque Md.Amir Hossain Md.Golam Azam Md.Nesar Uddin Eldessoky S.Dessoky mahmoud a.basry Md.Alamgir Hossain Department of Crop Botany Bangladesh Agricultural UniversityMymensingh2202Bangladesh Spices Research Sub-Centre Bangladesh Agricultural Research InstituteLalmonirhat5500Bangladesh Department of Genetics and Plant Breeding Agricultural UniversityMymensingh2202Bangladesh Pulse Research Centre Bangladesh Agricultural Research InstituteIshurdi6620Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia Department of Plant Molecular Biology AGERIAgricultural Research CenterGiza12619Egypt

Linseed is a multipurpose crop and the crop needs further improvement to increase production and yield due to its high value and *** study aimed to assess the extent and pattern of genetic variability of forty linseed genotypes based on diverse agro–morphological and yield *** field experiment was conducted following a Randomized Complete Block Design with three *** germplasm showed a wide range of phenotypic expression,genetic variability and heritability for 30 studied traits.A low to high phenotypic coeffi-cient of variation(PCV)and genotypic coefficient of variation(GCV)were *** lowest genotypic(σ2 g)and phenotypic variances(σ2 p)were found in capsule diameter(CD),length of calyx(LC),capsule length(CL),seed length(SL),and seed breadth(SB).High broad-sense heritability(h2 b)with high genetic advance as a percentage of mean(GAM)were observed in days to germination started(DGS),days to 80%emergence(DE),plant height at 28 and 40 DAS,number of flowers(NFPP),filled capsules(NFCPP)and yield per plant(YPP)indicating additive gene action exists for these *** cluster analysis separated 40 genotypes into five clusters,where Clusters I to V assembled with 13,4,4,5 and 14 genotypes,*** yield and yield attributes,Cluster-IV(G3,G4,G6,G10 and G31)genotypes showed promising while,Cluster-II(G2,G16,G35,G36)and Cluster-III(G1,G33,G39 and G40)genotypes were dominant on plant morphological *** on principal component analysis(PCA),few characters such as YPP,NFPP,NFCPP,days to first flowering and capsule formation,early emergence,days to branch initiation and plant heights at different growth stages revealed important and effective traits for consideration in the selection of linseed breeding programs.

关键词： Genetic variability heritability genetic advance principal component analysis hierarchical clustering linseed

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Modeling Thermophysical Properties of Hybrid Nanofluids:Foundational Research for Future Photovoltaic Thermal Applications

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Fluid Dynamics & Materials Processing 2025年第1期21卷 61-70页

作者： Chakar Khadija El Mouden mahmoud Hajjaji Abdelowahed Laboratory of Engineering Sciences for Energy(LabSIPE) University Research Center(CUR)in Renewable Energies&Intelligent Systems for Energy“EnR&SIE”National School of Applied SciencesChouaib Doukkali UniversityEl Jadida24000Morocco

The primary objective of this study is to develop an innovative theoretical model to accurately predict the thermophysicalproperties of hybrid nanofluids designed to enhance cooling in solar panel *** researchlays the groundwork for our future studies,which will focus on photovoltaic thermal *** nanofluidsconsist of water and nanoparticles of alumina(Al_(2)O_(3)),titanium dioxide(TiO_(2)),and copper(Cu),exploringvolumetric concentrations ranging from 0%to 4%for each type of nanoparticle,and up to 10%for total *** developed model accounts for complex interactions between the nanoparticles and the base fluid,as well assynergistic effects resulting from the coexistence of different *** simulations have shownexceptional agreement with experimental results,reinforcing the credibility of our approach in accurately capturingthe thermophysical behavior of these hybrid *** on these results,our study proposes significantadvancements in the design and optimization of nanofluids for cooling applications in solar *** developmentsare crucial for improving the efficiency of solar installations by mitigating overheating effects,providinga solid foundation for practical applications in this rapidly evolving field.

关键词： Nanoparticle thermophysical properties solar panel thermal conductivity specific heat

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Evidence for active generation and seepage of sub-salt natural gas/condensate blend in the east offshore Nile Delta, Egypt: Integrated geochemical, petrophysical and seismic attribute approaches

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Petroleum Science 2025年第1期22卷 130-150页

作者： mahmoud Leila Ahmed A.Radwan Amir Ismail Emad A.Eysa Geology Department Faculty of Science Mansoura University School of Mining and Geosciences Nazarbayev University Department of Geology Faculty of Science Al-Azhar UniversityAssiut Branch Department of Geology Faculty of Science Helwan University Department of Physical and Environmental Sciences Texas A&M University—Corpus Christi Geology Department Faculty of Science Zagazig University

Offshore Nile Delta in Egypt represents an enormous hydrocarbon province with recent projected gas and condensate discoveries of more than 50 trillion cubic feet “TCF”. Most of these occur in the post-salt hydrocarbon plays where biogenic gases are dominant. This study integrates organic geochemistry,seismic geomorphology and petrophysics in order to decipher the origin, and accumulation conditions of the wet gas/condensate blend in the Upper Miocene sub-salt Wakar Formation sandstones in Port Fouad Marine “PFM” Field, offshore Nile Delta. Hydrocarbon pay zones are scattered thin（ 1 w.t.%, hydrogen index“HI” > 200 mg HC/g TOC） and mature(Tmax> 430°C, vitrinite reflectance “VR” > 0.6 %R_o), source rocks are restricted to Upper Miocene Wakar and Oligo-Miocene Tineh formations. The latter contains more mature organofacies（up to 1.2 %R_o） and type II/III kerogen, thereby demonstrating a good capability to generate wet gases. The studied gas is wet and has thermogenic origin with signs of secondary microbial alteration, whereas the condensate contains a mixture of marine and terrestrial input. Molecular biomarkers of the condensate, isotopic and molecular composition of the gas reveals a generation of condensate prior to gas expulsion from the source. The Wakar sandstones have a heterogeneous pore system where three reservoir rock types（RRTI, RRTII and RRTIII）. RRTI rocks present the bulk composition of the Wakar pay zones. Spatial distribution of RRTI facies likely control the accumulation of the sub-salt hydrocarbons. Our results provide a new evidence on an active petroleum system in the sub-salt Paleogene successions in the offshore Nile Delta where concomitant generation of ga

关键词： Petrophysical evaluation Source rock Hydrocarbon geochemistry Biomarkers Gas chimneys Rock-typing

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Finite-Time Stability of Impulsive and Switched Hybrid Systems With Delay-Dependent Impulses

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IEEE/CAA Journal of Automatica Sinica 2025年第2期12卷 466-468页

作者： Taixiang Zhang Jinde Cao mahmoud Abdel-Aty Ardak Kashkynbayev the School of Mathematics Southeast University IEEE the Deanship of Graduate Studies and Scientific Research Ahlia University the Jadara Research Center Jadara University the Department of Mathematics Nazarbayev University

Dear Editor,This letter studies finite-time stability (FTS) of impulsive and switched hybrid systems with delay-dependent impulses. Some conditions, based on Lyapunov method, are proposed for ensuring FTS and estimating settling-time function (STF) of the hybrid *** switching dynamics are FTS and impulsive dynamics involve destabilizing delay-dependent impulses, the FTS is retained if the impulses occur infrequently.

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Multi-Stage-Based Siamese Neural Network for Seal Image Recognition

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 405-423页

作者： Jianfeng Lu Xiangye Huang Caijin Li Renlin Xin Shanqing Zhang mahmoud Emam School of Computer Science and Technology Hangzhou Dianzi UniversityHangzhou310018China Shangyu Institute of Science and Engineering Hangzhou Dianzi UniversityShaoxing312300China Faculty of Artificial Intelligence Menoufia UniversityShebin El-Koom32511Egypt

Seal authentication is an important task for verifying the authenticity of stamped seals used in various domains to protect legal documents from tampering and *** seal inspection is commonly audited manually to ensure document ***,manual assessment of seal images is tedious and laborintensive due to human errors,inconsistent placement,and completeness of the *** image recognition systems are inadequate enough to identify seal types accurately,necessitating a neural network-based method for seal image ***,neural network-based classification algorithms,such as Residual Networks(ResNet)andVisualGeometryGroup with 16 layers(VGG16)yield suboptimal recognition rates on stamp ***,the fixed training data categories make handling new categories to be a challenging *** paper proposes amulti-stage seal recognition algorithmbased on Siamese network to overcome these ***,the seal image is pre-processed by applying an image rotation correction module based on Histogram of Oriented Gradients(HOG).Secondly,the similarity between input seal image pairs is measured by utilizing a similarity comparison module based on the Siamese ***,we compare the results with the pre-stored standard seal template images in the database to obtain the seal *** evaluate the performance of the proposed method,we further create a new seal image dataset that contains two subsets with 210,000 valid labeled pairs in *** proposed work has a practical significance in industries where automatic seal authentication is essential as in legal,financial,and governmental sectors,where automatic seal recognition can enhance document security and streamline validation ***,the experimental results show that the proposed multi-stage method for seal image recognition outperforms state-of-the-art methods on the two established datasets.

关键词： Seal recognition seal authentication document tampering siamese network spatial transformer network similarity comparison network

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Macrofaunal Paleocommunities and Microfacies Analysis from the Upper Cretaceous in North Eastern Desert of Egypt

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Acta Geologica Sinica(English Edition) 2025年第1期99卷 15-37页

作者： Saeed FAREED Yasser SALAMA Abdelaziz mahmoud Helwan University Faculty of SciencesGeology DepartmentHelwanCairo 11Egypt Beni-Suef University Faculty of SciencesGeology DepartmentBeni Suef 62511Egypt

The Upper Cretaceous successions of Wadi Umm-Khayshar,southern Galala Plateau,North Eastern Desert,Egypt,are composed of highly diversified faunas and subdivided from base to top into the Galala(Middle-Late Cenomanian),Maghra El Hadida(Latest Cenomanian-Late Turonian),Matulla(Coniacian-Santonian),and Sudr(Campanian-Maastrichtian)*** ammonite biozones are recorded in the studied section:Neolobites vibrayeanus,Vascoceras cauvini(late Cenomanian),Vascoceras proprium,Choffaticeras segne,and Coilopoceras requienianum(Turonian)*** paleoenvironments of the Upper Cretaceous succession are interpreted based on detailed study and microfacies analysis that reflect a deposition in a homoclinal ramp platform ranging from intertidal to deep *** paleoecology of the Cenomanian-Turonian succession in the studied section is explained based on a detailed study of macrofaunal associations and sedimentary *** analysis(Q-mode cluster analysis,using the Raup-Crick Paired group method)of 1029 macrobenthic specimens,including 45 species of mollusks and echinoids yielded five macrofaunal associations(A-E)that are described and interpreted as remnants of *** nektonic elements are represented by 235 cephalopod specimens of 20 species;heatmap cluster analyses show the distribution of these specimens during the Upper Cenomanian-Turonian *** parameters(substrate consistency,rate of sedimentation,water energy,surface-water productivity,and oxygen availability)controlled the distribution of the studied *** five associations are divided into two major groups:low-stress associations(A,B,C,and D),and a highstress association(E).The low stress associations are recorded from two different habitats:(1)a high-energy,firm substrate habitat,dominated by epifaunal bivalves,large epifaunal gastropods and a regular echinoid;(2)a low-energy,soft substrate habitat dominated by infaunal bivalves and *** high stress associ

关键词： invertebrate paleontology ammonites Upper Cretaceous microfacies Southern Galala NE Egypt

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Evaluation of the Effectiveness of Traditional and Nano Materials Used in Consolidation of Sandstone Used in Ramesses III Temple, Karnak, Egypt

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Journal of Minerals and Materials Characterization and Engineering 2025年第1期13卷 18-30页

作者： Essam H. Mohamed Zeinab mahmoud Ahmed mahmoud L. Abd El-Latif Department of Archaeological Conservation Faculty of Archaeology South Valley University Qena Egypt Department of Conservation Faculty of Archaeology South Valley University Qena Egypt Housing and Building Research Center Giza Egypt

This experimental study assesses the effectiveness of traditional and nano-materials in enhancing the physical and mechanical properties of deteriorated sandstone from Ramesses III Temple, Karnak, Luxor, Egypt. Treatments included Nano Estel (5%), Paraloid B-72 (3%), Paraloid B-72/Nano Estel (3%/5%), and ethyl silicates. Treated samples underwent Scanning Electron Microscopy (SEM) and physical/mechanical testing. Results show that Paraloid B-72/Nano Estel (3%/5%) yielded optimal consolidation, significantly improving sandstone’s physical and mechanical properties.

关键词： Ramesses III Temple Deteriorated Sandstone Consolidation Treatments Nano Material Physical and Mechanical Properties

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Unveiling the hidden connection:Investigating the relationship between shared leadership and missed nursing care

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International Journal of Nursing Sciences 2025年第1期12卷 12-18,I0001页

作者： Amal Diab Ghanem Atalla Naglaa Abdelaziz mahmoud Elseesy Ayman Mohamed El-Ashry Samia Mohamed Sobhi Mohamed Ebaa Marwan Felemban Abdulhafith Alharbi Nervana Abdelrahman Saied Gheith Sabrein mahmoud khalifa khattab Department of Nursing Administration Faculty of NursingAlexandria UniversityAlexandriaEgypt Department of Public Health Nursing Faculty of NursingKing Abdulaziz UniversityJeddahAl-QurayyatSaudi Arabia Department of Nursing Collage of Applied Medical SciencesAl-QurayyatJouf UniversityAl-QurayyatSaudi Arabia Department of Psychiatric and Mental Health Nursing College of NursingUniversity of HailHailSaudi Arabia Department of Nursing Administration Faculty of NursingMansoura UniversityMansouraEgypt

Objectives:This study examined the levels of shared leadership and missed nursing care and their relationship among nurses in ***:A cross-sectional survey was *** February to April 2024,340 nurses worked in all inpatient care units at Alexandria Main University *** Shared Leadership and Missed Nursing Care Survey was used for ***:The overall score of shared leadership was(72.62±4.30),which imitates a high perception of shared leadership among nurses;the dimension of delegation achieved the highest average mean score(3.66±0.26),followed by collaboration(3.64±0.31),the vision dimension scored the lowest mean score(3.59±0.33).The elements of missed nursing care had a total score of(46.72±5.69),and the dimension of secondary care achieved the highest average mean score(3.74±0.31).The reasons for missed nursing care had a total mean score of(22.40±1.59),and the dimension of labor resources achieved the highest average mean score(3.20±0.22).Male nurses,less than 30 years old,married,held a bachelor’s degree in nursing sciences,less than five years of experience in the nursing profession,and less than five years of experience in the current working unit had higher total scores of the shared leadership and lower total scores of missed nursing care(P<0.001).A negative correlation existed between shared leadership and two dimentisons(the elements of nursing care[r=-0.383],the reasons for missing nursing care[r=-0.047])(P<0.001).Conclusions:The study’s findings can help as a theoretical underpinning for nursing leaders to stand in an environment that reduces the incidence of missed nursing care by encouraging teamwork,responsibility,workload management,and empowerment among nurses.

关键词： Missed nursing care Nurses Nursing administration research Shared leadership

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Analgesia and Safety of Perioperative Bilateral Erector Spinae Infusion versus Thoracic Epidural Infusion in Upper Abdominal Oncological Surgeries: A Randomized Clinical Trial

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Open Journal of Anesthesiology 2025年第1期15卷 13-29页

作者： Amin Mohamed Ashraf Mohammad Abd El-Rahman Ahmad Hussein mahmoud Mohamed Mohammed Abdelemam Rania Department of Anesthesiology ICU and Pain Management South Egypt Cancer Institute Assiut University Assiut Egypt

Objective: Erector spinae plane block is a novel regional anaesthetic intervention that is said to have an effective analgesic profile in the upper abdominal region. We compared its analgesic efficacy with thoracic epidural block for upper abdominal cancer surgeries. Methods: This prospective study included 60 patients, 18 to 65 years old with ASA class II who underwent gastrectomy and Whipple’s procedures under general anesthesia. Patients were assigned into two groups: Thoracic epidural group, with injection of 0.1 ml/kg of bupivacaine 0.25% in epidural catheter followed by 0.1 ml/kg/h of 0.125% bupivacaine infusion for 48 hrs., and Erector spinae group, with insertion of bilateral erector spinae catheters to inject 0.1 ml/kg of bupivacaine 0.25% followed by bilateral infusion of 0.1 ml/kg/h of bupivacaine 0.125% for 48 hrs. The primary endpoint was postoperative VAS scores at rest and movement. Secondary endpoint included postoperative total opioid consumption, 1st request for analgesia, hemodynamic changes and satisfaction scores. Results: Pain scores and needed rescue analgesia in both groups were comparable. However, 1st request for opioid was significantly longer in TEPI compared to ESI group. Hemodynamics were significantly lower in TEPI group with no differences in the incidence of postoperative complications except for hypotension. Patient satisfaction scores were arbitrarily higher in ESI group without significance. Conclusion: Erector spinae infusion is a highly promising regional technique with comparable effects to thoracic epidural blockade in reducing pain and opioid needs while causing minimal hemodynamic consequences.

关键词： Erector Spinae Abdominal Cancer Surgeries Thoracic Epidural

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Innovative approaches in predicting outcomes for rectal neuroendocrine tumors

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World Journal of Gastroenterology 2025年第6期31卷 126-131页

作者： mahmoud Nassar Bahaaeldin Baraka Andrew H Talal Department of Internal Medicine Jacobs School of Medicine and Biomedical SciencesUniversity of BuffaloBuffaloNY 14221United States Department of Research American Society for InclusionDiversityand Equity in HealthcareLewesDE 19958United States Medical Oncologist OncologyNottingham University HospitalsCity HospitalNottingham NG51PBUnited Kingdom Department of Medicine University at BuffaloState University of New YorkBuffaloNY 14203United State

Rectal neuroendocrine neoplasms pose significant challenges due to their varied presentations and *** prognostic models,while useful,often fall short of accurately predicting clinical outcomes for these *** article discusses the development and implications of a novel prognostic tool,the GATIS score,which aims to enhance predictive accuracy and guide treatment strategies more effectively than current *** data from a large cohort and employing sophisticated statistical models,the GATIS score integrates clinical and pathological markers to provide a nuanced assessment of *** evaluate the potential of this score to transform clinical decision-making processes,its integration into current medical practices,and future directions for its *** integration of genetic markers and other biomarkers could further refine its predictive power,highlighting the ongoing need for innovation in the management of rectal neuroendocrine neoplasms.

关键词： Rectal neuroendocrine tumors GATIS score Tumor staging Rectal neuroendocrine neoplasms Survival prediction Prognostic assessment Biomarkers Neuroendocrine carcinoma

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