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نتائج البحث

   (401 - 450 من 845)
مقالات

Experimental and parametric research on the behavior of CFS-Zee section under cyclic load

By: al-Tubji, Hanan Husayn; Abu Sinnah, Anwar Badawi Badawi; Darwish, Imad…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.895-904, 10 p.

Subjects: Axial loads; Steel; Energy dissipation

مقالات

Comparison between electrical-powered and diesel buses for public transportation in Egypt

By: Ramadan, Ibrahim M. I.; Bakri, Hibah Mahmud; al-Jawhari, Yusra M. H.…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.905-918, 14 p.

Subjects: Egypt; Electric power; Public transport; Urban areas; Buses

مقالات

Effect of spacing of different types of electrodes in the electrocoagulation process

By: al-Mulla, Anas M.; Abd Allah, Ahmad; Atiyyah, Muhammad…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.919-931, 13 p.

Subjects: Electrocoagulation; Electrodes; Stainless steel; Water treatment

مقالات

Effectiveness and strength of autoclaved aerated concrete (AAC)‎ in the composite section R. C. beams and slabs

By: Ukashah, Mustafa Ali Taha Ali; Abd al-Raziq, Muhammad; al-Isnawi, Hasan H.. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.932-945, 14 p.

Subjects: Concrete slabs; Reinforced concrete; Concrete beams

مقالات

Shear behavior of self-compacting concrete beams reinforced with B500WR and strengthened with CFRP

By: Sadiq, Lamya Id; Abd al-Latif, Hazim Muhammad; Nabil, Shadi. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.946-961, 16 p.

Subjects: Carbon fibres; Concrete beams; Reinforced concrete; Shear strength

مقالات

Attitude control for a nano satellite by using fuzzy and approaching index switching algorithm

By: Muhammad, Sharif Hasan; Rifat, Shihab R.; Mikhail, Tariq Abd al-Malak. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.962-973, 12 p.

Subjects: Artificial satellites; Control systems; Automatic control

مقالات

Absorption air conditioning system using seawater for air precooling

By: Ataiwi, Husayn Ali; Saqr, Ramadan Yusuf; Salim, Muhammad Rida…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.974-991, 18 p.

Subjects: Air conditioning; Arabian Gulf; Sea water; Cooling; Lithium bromide

مقالات

Non standard overcurrent relay for high response with self backup protection

By: Rida, Abd Allah; Abd al-Jawad, Amal Faruq; Ibrahim, Muhammad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.992-1001, 10 p.

Subjects: High voltages; Egypt; Electric networks; Electrical protection gear

مقالات

Evaluation of the dielectric strength behavior of rubber blends using feed-forward neural network in different environmental conditions

By: Abd Allah, Mansur Mahmud Muhammad; Nasrat, Luayy Sad al-Din; Mansur, Ali Hasan Ibrahim…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.1002-1012, 11 p.

Subjects: Neural networks (Computer science); Silicone rubber; Dielectric devices

مقالات

The hologram and its importance in architecture

By: al-Sharif, Amr al-Mutasim Billah. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 64 (Jul. 2022), pp.1013-1027, 15 p.

Subjects: Holography; Virtual reality; Architecture; Three-dimensional imaging

مقالات

Enhancing the performance of warm asphalt mixes using Nano-kaolinite

By: el-Gendy, Mohamed A. M.; al-Rifai, Muhammad; Wahdan, Abd Allah H.…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.469-479, 11 p.

Subjects: Asphalt; Kaolinite; Nanomaterials

مقالات

Numerical analysis of shallow foundation on expansive soil

By: Abd al-Sami, Walid Hasan; Muwafi, Yusri Muhammad; Tawfiq, Ahmad Rushdi…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.480-501, 22 p.

Subjects: Egypt; Numerical analysis; Soils; Concrete

مقالات

Assessing the accuracy of the geoid heights calculated by interpolation and extrapolation from global geoid models in Northern Egypt

By: Ibrahim, Ahmad Muhammad hamdi; al-Shiwi, Muhammad Abd al-Wadud. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.502-511, 10 p.

Subjects: Altimeter; Egypt; Geodesy; Neural networks (Computer science)

مقالات

Correlating physical and mechanical properties of soil with dynamic penetration tests

By: Isam, Muhammad; Jabr, Adil Kamil; Mahdi, Hisham Arafat…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.512-527, 16 p.

Subjects: Mechanical properties; Shear strength; Soils; Dynamics; Soil penetration test

مقالات

Influence of using treated wastewater on properties and strength of reinforced concrete mixture and its durability

By: Halawah, Muhammad Ashraf Izz al-Din; al-Shaykh, Said Ahmad Mahmud. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.528-538, 11 p.

Subjects: Reinforced concrete; Waste water; Wastewater treatment; Shear strength

مقالات

Improvement of rigid pavement performance using microbial agent

By: Tawhid, Walid Muhammad Fuad; Mahmud, Halah Hashim Abd al-Fattah; Mustafa, Abd al-Zahir Izz al-Din Ahmad…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.539-548, 10 p.

Subjects: Mechanical properties; Stiffness; Bacteria; Microbiological Techniques; Pavements

مقالات

Variation of soil subgrade modulus under circular foundation

By: Abd al-Baqi, Bassim; Ahmad, Muhammad Isa Sayyid; al-Qaysi, Ahmad Muhammad Abd al-Tawwab. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.549-556, 8 p.

Subjects: Soils; Structural analysis; Structural loads

مقالات

Enhancement mechanical properties of vertical compensation friction stir welded joints, through changing post-weld heat-treatment conditions

By: Sad, Faraj; Ibrahemi, Khalil; Hasab Allah, Ibrahim Muhammad…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.557-568, 12 p.

Subjects: Friction stir welding; Heat treatment; Mechanical properties

مقالات

Prediction of the wear rates of epoxy-based nanocomposites using artificial neural network approach

By: Al Shatti, Khaled Y. R. E.. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.569-576, 8 p.

Subjects: Epoxy compounds; Neural networks (Computer science); Composite materials; Nanomaterials

مقالات

Studying the coupling of a concentrator photovoltaic cell with thermoelectric generator

By: Imam, Muhammad; Abd al-Rahman, Muhammad; Atiyyah, Ahmad Adil…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.577-589, 13 p.

Subjects: Electrical generators; Photovoltaic power generation; Solar cells; Thermal power stations

مقالات

CFD simulation of combustion characteristics and re-ignition sources in a valveless pulse combustor

By: Ibrahim, Said Muhammad Ali; Taha, Muhammad Rashad; al-Qammash, Mahmud Nasr. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.590-611, 22 p.

Subjects: Thermal energy; Combustion chambers; Numerical analysis; Simulation

مقالات

Classification and digital restoration of damaged Arabic manuscripts

By: al-Rifai, Fawzi Ibrahim; Halawah, Ali Abd al-Rauf; Hassan, al-Amirah Ahmad…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.612-624, 13 p.

Subjects: Manuscripts; Arab world; Digital technology; Document preservation; Image processing

مقالات

Analytical study of urban formalist models shifting in the period 1830-2021

By: Salamah, Muhammad Usamah; Abd al-Aziz, Muhammad; Abd al-Salam, Isam. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.624-638, 15 p.

Subjects: Urban design; Urban planning

مقالات

Use of vertical greenery systems to conserve energy in administrative buildings in Egypt

By: Ibrahim, Mahmud; Atif, Ahmad; Nasim, Ashraf Ali Ibrahim. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.639-652, 14 p.

Subjects: Architectural design; Open spaces; Buildings; Energy conservation; Management

مقالات

Assessment of electromagnetic frequencies in office spaces

By: Wafiq, Ahmad; Abidin, Ahmad; Karim, Ibrahim. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.653-666, 14 p.

Subjects: Buildings; Electromagnetic waves; Architectural design; Work environment

مقالات

Use of environment friendly recycled building materials in Egypt

By: Kamal, Rahmah; Atif, Ahmad; Muhammad, Abir. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.667-683, 17 p.

Subjects: Building materials; Egypt; Environment protection; Recycling; Sustainable architecture

مقالات

Community development within slums’ illumination: a post occupancy evaluation study of al-Asmarat project inhabitants

By: Salih, Iman A.; Jumah, Hibah M.. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 63 (Apr. 2022), pp.684-697, 14 p.

Subjects: Community development; Egypt; Slums; Urban development

مقالات

Behavior of ultra-high strength concrete beams

By: Tawfik, Abd al-Munim; Numan, Muhammad Taha; Mustafa, Adil Amir. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.1-16, 16 p.

Subjects: Concrete; Concrete beams; Elasticity; Structural loads

مقالات

Using artificial neural networks to predict the distresses of flexible pavement

By: Badir, Zahran; el-Gendy, Mohamed A. M.; al-Rifai, Muhammad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.17-25, 9 p.

Subjects: Asphalt; Flexible pavements; Neural networks (Computer science)

مقالات

Mapping flood hazards by multi-criteria decision analysis technique in geographic information system (GIS-MCDA)‎

By: Abu Taha, Muhammad; Hani, Ahmad; al-Mulla, Anas. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.26-38, 13 p.

Subjects: Geographical information systems; Decision making; Egypt; Floods; Maps

مقالات

Evaluation of response reduction factor for reinforced concrete elevated water tanks and codes, comparative study

By: Nasr, Nasr Id; Faid, Muhammad Nur al-Din; Husayn, Mahmud Jamal…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.39-53, 15 p.

Subjects: Earthquakes; Reinforced concrete; Structural design; Earthquake zones; Egypt

مقالات

Reinforced concrete columns strengthened at intersection with dropped beams

By: Atiyah, al-Sayyid; al-Qirsh, Muhammad Abd al-Samad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.54-64, 11 p.

Subjects: Concrete columns; Concrete construction; Reinforced concrete; Concrete beams

مقالات

Effect of polypropylene fibers length and content on cracks development in clay lining

By: Khalifa, Ahmad Fathi; Muhammad, Sad al-Din Muhammad; Jala, Abd Allah Muhammad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.65-82, 18 p.

Subjects: Clays; Polypropylene fibers; Drying; Structural design

مقالات

Numerical validation of monopile loading test for wind turbine foundation using Plaxis 3-D

By: Yunis, Riham Mahmud; al-Shirbini, Rami; al-Suqayli, Walid Mutawalli…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.83-95, 13 p.

Subjects: Numerical analysis; Wind turbines; Piling (Civil engineering); Structural design; Three-dimensional modeling

مقالات

Control of seepage in multi-layered soil under heading-up structures using vertical and inclined sheet piles

By: Mansur, Nurhan Khalid; Abu al-Ata, Nahla Muhammad; al-Mulla, Dua'a Anas. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.96-117, 22 p.

Subjects: Dropping out; Hydraulics; Piling (Civil engineering); Soils

مقالات

Evaluation of code and phase solutions for multi-reference base stations on GPS measurements accuracy

By: Abd al-Munim, Yunis Subhi; Abbas, Afifi Hafidh. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.118-132, 15 p.

Subjects: Global Positioning Systems; Geodesy

مقالات

An intensive review on health and safely factors affecting construction projects' productivity

By: al-Dash, Karim Muhammad Mahmud; Abd al-Rahim, Muhammad Shawqi Abd al-Munim; Salih, Rash Laith Muhammad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.133-145, 13 p.

Subjects: Construction projects; Occupational health and safety; Productivity

مقالات

The impact of climate change on coastal cities in the eastern Nile delta of Egypt

By: Ahmad, Hani Juma. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.146-160, 15 p.

Subjects: Climatic changes; Coasts; Egypt; Nile River Delta; Sea level

مقالات

Water quality management for sustainable development of Lake Burullus

By: Hamid, Muhammad Ahmad Rida. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.161-171, 11 p.

Subjects: Egypt; Lake Burullus; Sustainable development; Water quality

مقالات

Assessing the impact of semi-circular baffle blocks on scour downstream sluice gates

By: Dardeer, Mamduh Ahmad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.172-188, 17 p.

Subjects: Hydraulic structures; Sluice gates

مقالات

Punching shear behavior of isolated footing reinforced with glass fiber reinforced polymer bars

By: Salih, Khalid Ahmad; Haddad, Haddad Said; Numan, Muhammad Taha. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.189-218, 30 p.

Subjects: Glass fibers; Steel bars; Polymers; Reinforced concrete; Shear strength

مقالات

Effect of using glass powder as a partial replacement of cement on concrete properties

By: Abu al-Kasim, Muhammad Hamdi; Muhammad, Usamah Mahmud; Abd al-Hamid, Muhammad Zakariah…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.219-236, 18 p.

Subjects: Cement; Glass waste; Concrete; Mechanical properties

مقالات

A thermal hydraulic model for power upgrading of WWR-S research reactor

By: Ibrahim, Said Muhammad Ali; al-Isawi, Muhammad Hasan; Yusif, Husam Ibrahim. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.237-256, 20 p.

Subjects: Thermodynamics; Hydraulics; Nuclear reactors

مقالات

Improving the performance and emissions of a four-stroke, water-cooled, di diesel engine by increasing inlet air temperature

By: Abd al-Al, Muhsin Muhammad; Rabi, Basim Abd Allah; Kamil, Muhammad Ahmad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.257-274, 18 p.

Subjects: Air; Diesel motors; Temperatures

مقالات

Novel sensors of the linear displacement measurement with high-resolution for mechatronics applications

By: Ali, Amir Rushdi; al-Jawhari, Mumin. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.275-289, 15 p.

Subjects: Engines; Mechatronics; Detectors

مقالات

Modeling of hybrid photovoltaic thermal water pumping system

By: Taysir, Isra; Radi, Muhammad; Ali, Ahmad Ayman…[et al.]. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.290-311, 22 p.

Subjects: Electric power generation; Photovoltaic power systems; Pumps; Thermal properties; Water

مقالات

Adaptive learning environments based on intelligent manipulation for video learning objects

By: al-Nabawi, Muhammad Atif; Jamal al-Din, Shihab; Tharwat, Jamal. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.312-323, 12 p.

Subjects: Digital video; Computing; Electronic education

مقالات

Evaluating indoor air quality IAQ in primary schools in downtown Cairo, Egypt

By: Sary al-Din, Nurhan A.; Fajjal, Ahmad Atif al-Dasuqi; al-Khuli, Tamir Abd al-Adhim. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.324-344, 21 p.

Subjects: Air quality; Cairo; Primary schools; Architectural design; Egypt

مقالات

Using smart materials in smart windows for energy efficiency of buildings

By: Abd al-Munim, Ahmad Muhammad; Abd al-Qadir, Murad. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.345-354, 10 p.

Subjects: Energy conservation; Sustainable buildings; Windows; Architectural design; Glass

مقالات

Compatibility between spatial functionalities related to trade with the last administrative organization of Tébessa state–Algeria

By: Tumi, Fahmi; Alqamah, Jamal. Journal of Al-Azhar University Engineering Sector. Vol. 17, no. 62 (Jan. 2022), pp.355-366, 12 p.

Subjects: Algeria; Tebessa (State); Administrative aspects; Retail stores

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