Sharif Digital Repository

Technical design and economic investigations for reducing co2emission considering environmental protection agency standards by employing an optimum grid-connected PV/Battery system

Author

Fard, H.F.

Publisher

Hindawi Limited,

Pub. Year

2022

Subjects

Energy utilization. / Hybrid systems. / Investments. / Pollution. / CO 2 emission. / Cost of energies. / Current system. / Economic investigation. / Environmental Protection Agency's. / Grid-connected PV. / Net present cost. / Renewables. / Technical design. / Total emissions. / Environmental Protection Agency.

Applications of thermal energy storage in solar organic rankine cycles: A comprehensive review

Author

Salem, M.

Publisher

Frontiers Media S.A,

Pub. Year

2021

Subjects

Heat storage. / Rankine cycle. / Temperature. / Low-temperature heat sources. / Medium temperature. / Operating condition. / Power. / Renewable energies. / Solar energy storages. / Solar organic Rankine cycle. / Storage units. / Thermal energy storage. / Thermal storage. / Solar energy.

Performance optimization of the helical heat exchanger with turbulator

Author

Xifeng, W.

Publisher

Frontiers Media S.A,

Pub. Year

2022

Subjects

Fins effects. / Heat transfer. / Cost benefit analysis. / Heat transfer coefficients. / Coefficient loss. / Fin effect. / Helical heat exchanger. / Multi-disciplinary design optimisation. / Multi-disciplinary design optimization method. / Optimization method. / Overall heat transfer coefficient. / Performance optimizations. / Pressure loss. / Transfer pressure. / Fins (heat exchange)

Identification of nonlinear model for rotary high aspect ratio flexible blade using free vibration response

Author

Mahariq, I.

Publisher

Elsevier B. V,

Pub. Year

2020

Subjects

Blade. / Helicopter. / Aspect ratio. / Helicopters. / Iterative methods. / Nonlinear systems. / Differential transformation methods. / Free vibration response. / Generalized variation. / Identification approach. / Non-linear free vibration. / Nonlinear identifications. / Vibration. / Mathematical transformations.

Conformal invariance and quantum aspects of matter

Author

Motavali, H.

Pub. Year

2000

Subjects

Mathematical analysis. / Mathematical model. / Quantum theory. / Motion. / Quantum mechanics. / Vacuum. / Gravity. / Geometry.

The study on resolution factors of LPBF technology for manufacturing superelastic NiTi endodontic files

Author

Chernyshikhin, S.V.

Publisher

MDPI,

Pub. Year

2022

Subjects

Nitinol. / Self-adjusting files. / μLPBF. / Binary alloys. / Fiber lasers. / Manufacture. / Powder metals. / Titanium alloys. / High resolution. / Laser powder bed fusion. / Laser powders. / Nickel-Titanium. / Powder bed. / Selective laser melting. / Self-adjusting. / Self-adjusting file. / ΜLPBF. / Nickel alloys.

Emergent de Sitter cosmology near black hole horizon

Author

Rasulian, I. M.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2022

Subjects

Black Holes. / Large Extra Dimensions.

Numerical and theoretical study of performance and mechanical behavior of pem-fc using innovative channel geometrical configurations

Author

Al-Bonsrulah, H. A. Z.

Publisher

MDPI,

Pub. Year

2021

Subjects

PEM-FC. / Flow field cross-section. / CFD. / PEM-FC performance. / Assembly pressure. / PEM-FC channel geometry.

Numerical and theoretical study of performance and mechanical behavior of pem-fc using innovative channel geometrical configurations

Author

Al-Bonsrulah, H. A. Z.

Publisher

MDPI,

Pub. Year

2021

Subjects

Assembly pressure. / Flow field cross-section. / PEM-FC. / PEM-FC channel geometry. / PEM-FC performance. / CFD.

Predicting communication quality in construction projects: A fully-connected deep neural network approach

Author

Rahimian, A.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Artificial neural networks. / Construction. / Interpersonal skills. / Predictive modeling. / Construction industry. / Forecasting. / Surveys. / Communication quality. / Construction projects. / Construction workers. / High quality. / Job performance. / Poor efficiencies. / Predictive models. / Project stakeholders. / Workers'. / Deep neural networks.

Implementing the haversine formula for detecting societal issues and delivering relevant preaching content

Author

Kurniawan, R.

Publisher

IEEE,

Pub. Year

2024

Subjects

Geospatial intelligence. / Haversine formula. / Islamic preaching. / Societal issues detection. / Black-box testing. / Black boxes.

Interactive geographic visualization and unsupervised learning for optimal assignment of preachers to appropriate congregations

Author

Kurniawan, R.

Pub. Year

2024

Subjects

DBSCAN. / K-means clustering. / MUI riau. / Optimization. / Preacher assignment.

A robust multilevel segment description for multi-class object recognition

Author

Mostajabi, M.

Pub. Year

2014

Subjects

Feature extraction. / Image segmentation. / Extraction. / Object recognition. / Semantics. / Textures. / Vector spaces. / Classification accuracy. / Contextual information. / Image segmentation system. / Multilevel description. / Object classification. / Segmentation accuracy. / Semantic information. / Semantic relations. / Classification (of information)

Reduced memory requirement in hardware implementation of SVM classifiers

Author

Esmaeeli, S.

Pub. Year

2012

Subjects

Basic systems. / Classification technology. / Fixed points. / Hardware implementations. / High precision. / Logarithmic domain. / Logarithmic number system. / Machine-learning. / Memory requirements. / Multiplication operations. / Reduced memory requirements. / SVM classification. / SVM classifiers. / Classifiers. / Electrical engineering. / Hardware. / Number theory. / Numbering systems. / Pattern recognition. / Support vector machines.

Optimization of supercritical carbon dioxide extraction of essential oil from spearmint (Mentha spicata L.) leaves by using Taguchi methodology

Author

Ansari, K.

Pub. Year

2012

Subjects

Essential oil and Taguchi method. / A plants. / Aerial parts. / Dynamic time. / Mentha spicata. / Optimal conditions. / Particles sizes. / Spearmint. / Supercritical carbon dioxide extraction. / Supercritical extraction. / Taguchi methodology. / Total yield. / Atmospheric composition. / Essential oils. / Extraction. / Optimization. / Supercritical fluid extraction. / Taguchi methods. / Carbon dioxide.

A framework based on the Affine Invariant Regions for improving unsupervised image segmentation

Author

Mostajabi, M.

Pub. Year

2012

Subjects

Affine Invariant Regions. / Affine invariant. / Image segmentation algorithm. / Mark regions. / Mean shift. / Over segmentation. / Processing time. / Segmentation methods. / Segmentation quality. / Texture space. / Unsupervised image segmentation. / Unsupervised segmentation. / Information science. / Quality control. / Signal processing. / Textures. / Image segmentation.

Geometry, supertransfer, and optimality in the light harvesting of purple bacteria

Author

Baghbanzadeh, S.

Publisher

American Chemical Society,

Pub. Year

2016

Subjects

Antennas. / Bacteria. / Energy transfer. / Antenna complexes. / Bacteriochlorophylls. / Coherent process. / Energy-transfer rate. / Light-harvesting. / Purple bacteria. / Rotational symmetries. / Standard deviation. / Geometry.

Low-cholesterol milk production using cholesterol oxidase from Nocardia erythropolis

Author

Serajzadeh, S.

Pub. Year

2010

Subjects

Nocardia. / Nocardia erythropolis.

Distinguishing the roles of energy funnelling and delocalization in photosynthetic light harvesting

Author

Baghbanzadeh, S.

Publisher

Royal Society of Chemistry,

Pub. Year

2016

Enzymatic synthesis of theanine in the presence of L-glutaminase produced by Trichoderma koningii

Author

Sakhaei, M.

Publisher

National Nutrition and Food Technology Research Institute,

Pub. Year

2017

Subjects

Enzymatic biosynthesis. / L-glutaminase. / L-Theanine. / Methodology. / Response surface. / Trichoderma koningii.