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  1. No Access

    Article

    Spatial distribution of physicochemical parameters and drinking and irrigation water quality indices in the Jhelum River, Pakistan

    Sustainable management of river systems is a serious concern, requiring vigilant monitoring of water contamination levels that could potentially threaten the ecological community. This study focused on the eva...

    Tofeeq Ahmad, Said Muhammad, Muhammad Umar in Environmental Geochemistry and Health (2024)

  2. No Access

    Article

    A comparative study of linear control strategies on the aerodynamics twin rotor system

    This work presents the comparative study among pole-placement (PP), optimal-control using output-feedback (OCOF), linear-quadratic regulator (LQR), and PID controllers for the twin rotor multi-input multi-outp...

    Adnan Qayyum Shah, Muhammad Awais in Journal of Mechanical Science and Technolo… (2023)

  3. No Access

    Article

    Optimization analysis of the absorption-stabilization process for fluid catalytic cracking unit

    The absorption-stabilization process (ASP), an important part of petroleum refinery used in the end-use products of petroleum (such as stable gasoline, liquid petroleum gas, and dry gas), is energy-intensive a...

    Muhammad Saddam Hussain, Ashfaq Ahmed, Liu Yibin in Korean Journal of Chemical Engineering (2023)

  4. Article

    Open Access

    Real-time implementation of fast discriminative scale space tracking algorithm

    Real-time object tracking is an important step of many modern image processing applications. The efficient hardware design of real-time object tracker must achieve the desired accuracy while satisfying the fra...

    Walid Walid, Muhammad Awais, Ashfaq Ahmed in Journal of Real-Time Image Processing (2021)

  5. Article

    A comprehensive numerical design of firefighting systems for onshore petroleum installations

    Petroleum facilities containing welded steel bulk flammable liquid product storage tanks possess sundry fire hazards inherent to the facility. These installations urgently require indigenous efficient firefigh...

    Iqrash Shafiq, Murid Hussain, Sumeer Shafique in Korean Journal of Chemical Engineering (2021)

  6. No Access

    Article

    How frequent should the radiographic examination be to monitor magnetically controlled growing rods? A retrospective look two to seven years postoperatively

    Magnetically controlled growing rods (MCGR) allow more frequent outpatient lengthenings to better mimic the physiological growth. The assessment of distractions with radiographs raised concerns regarding ioniz...

    Altug Yucekul, Hatice Tanriover, Kadir Abul, Ashfaq Ahmed in European Spine Journal (2021)

  7. No Access

    Article

    Development of highly efficient solid acid catalysts supported on mesoporous KIT-6 for esterification of oleic acid

    This study aimed at the synthesis of heterogeneous acid catalysts by incorporating 12 tungstophosphoric acid (HPW) over mesoporous silica support KIT-6 via impregnation and sol-gel methods to improve the catal...

    Usama Shakeel, Murid Hussain, Rizwan Sheikh in Korean Journal of Chemical Engineering (2021)

  8. No Access

    Article

    Peristaltic flow of a magnetohydrodynamic nanofluid through a bifurcated channel

    A mathematical model with peristalsis for blood flow through a bifurcated artery is presented by taking blood as a nanofluid with magnetic field effects. The arteries pattern of bifurcation is treated to be sy...

    Ashfaq Ahmed in Acta Mechanica (2021)

  9. No Access

    Chapter and Conference Paper

    A Finite Element Analysis of Automobile Leaf Spring

    Leaf springs are a special kind of springs and are one of the most important components of an automobile suspension system. Leaves are actually made as a combination of series of flat plates which have semi el...

    Shahriar Hasan, Ashfaq Ahmed, Nihal Ahmed in Recent Trends in Manufacturing and Materia… (2021)

  10. No Access

    Chapter and Conference Paper

    Comparative Study of Different Implicit Finite Difference Methods to Solve the Heat Convection–Diffusion Equation for a Thin Copper Plate

    Finite difference implicit methods have been frequently used for solving the heat convection–diffusion equation. One of the biggest advantages of implicit schemes is that the solution remains well behaved for ...

    Nihal Ahmed, Ashfaq Ahmed, Muntasir Mamun in Proceedings of International Joint Confere… (2021)

  11. No Access

    Article

    Bioenergy potential and thermochemical characterization of lignocellulosic biomass residues available in Pakistan

    We evaluated the thermochemical properties and suitability of a variety of lignocellulosic biomass residues in Pakistan for energy production. Proximate, ultimate and calorific value analyses were performed to...

    Aisha Abdullah, Ashfaq Ahmed, Parveen Akhter in Korean Journal of Chemical Engineering (2020)

  12. No Access

    Article

    Energy efficiency in cognitive radio assisted D2D communication networks

    The next generation networks intend to have features like device to device (D2D) connectivity, energy efficiency and spectral efficiency. This paper presents problem formulation for maximization of energy effi...

    Mushtaq Ahmad, Farooq Alam Orakzai, Ashfaq Ahmed in Telecommunication Systems (2019)

  13. No Access

    Article

    Swarm Intelligence Based Resource Management for Cooperative Cognitive Radio Network in Smart Hospitals

    Intelligent and efficient wireless sensor devices (IEWSD) can greatly facilitate the working of paramedic staff in next generation health care facilities. The wireless network of IEWSDs is composed of tiny low...

    Muhammad Iqbal, Muhammad Naeem, Ashfaq Ahmed in Wireless Personal Communications (2018)

  14. No Access

    Article

    Biomathematical study of time-dependent flow of a Carreau nanofluid through inclined catheterized arteries with overlap** stenosis

    This work is concerned with the analysis of blood flow through inclined catheterized arteries having a balloon (angioplasty) with time-variant overlap** stenosis. The nature of blood in small arteries is ana...

    Ashfaq Ahmed, Sohail Nadeem in Journal of Central South University (2017)

  15. Article

    Open Access

    National program for family planning and primary health care Pakistan: a SWOT analysis

    The National Program for Family Planning and Primary Healthcare was launched in 1994. It is one of the largest community based programs in the world, providing primary healthcare services to about 80 million p...

    Mohammad Salim Wazir, Babar Tasneem Shaikh, Ashfaq Ahmed in Reproductive Health (2013)

  16. Article

    Open Access

    Investigating socio-economic-demographic determinants of tobacco use in Rawalpindi, Pakistan

    To investigate the socio-economic and demographic determinants of tobacco use in Rawalpindi, Pakistan.

    Ali Yawar Alam, Azhar Iqbal, Khalif Bile Mohamud, Ronald E Laporte in BMC Public Health (2008)

  17. No Access

    Article

    The optical absorption study of cadmium-zinc phosphate glasses

    M. Ashr Chaudhry, M. Shakeel Bilal, M. Altaf in Journal of Materials Science Letters (1995)

  18. No Access

    Article

    Structural, transport and infrared studies of oxidic spinels Zn1−xNixFeCrO4

    X-ray, electrical conductivity and IR studies for the system Zn1−x Ni x FeCrO4 were carried out. All the compounds, 0 ⩽x ⩽ 1 showed cubic symmetry. X-ray intensity calculations a...

    S. Al Dallal, M. N. Khan, Ashfaq Ahmed in Journal of Materials Science (1990)

  19. No Access

    Article

    X-ray, electrical conductivity, and infrared studies of oxide spinels containing cobalt, titanium and manganese

    X-ray, electrical conductivity and infrared studies of the system Co2−x Ti1−x Mn2x O4 were carried out with a view to investigate the cation distribution. Compounds 0 ⩽ x ⩽ 0.6 showed cubic symmetry, compounds 0....

    M. N. Khan, Ashfaq Ahmed, S. Darshane in Journal of Materials Science (1989)

  20. No Access

    Article

    X-ray, electrical conductivity and infrared studies of the system Zn1−x CO x Mn1−x Fe x CrO4

    The system Zn1−x Co x Mn1−x Fe x CrO4 is tetragonal in the range 0.0⩽x⩽0.4 and cubic in the range 0.5⩽x⩽1. Electrical resistivity temperature be...

    M. N. Khan, Ashfaq Ahmed, V. S. Darshane in Journal of Materials Science (1989)

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