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Volume 39 Number 1 Year 2020

20 articles in this issue 

ROSZITA IBRAHIM, AZANA HAFIZAH MOHD AMAN, AMRIZAL MUHD NUR, SYED MOHAMED ALJUNID

This study explored radiology procedure cost across available units in the Radiology’s Department UKMMC (University Kebangsaan Malaysia Medical Centre). In 2011, the total number of radiology procedures carried out in this department was 121,221. Neverthe... see more

Pags. 1 - 8  

NGUYEN TUAN ANH

Flammability of polymer composite appears to be one of the greatest threats and hence limits its advanced applications. Polymer composite materials can be designed to obtain wide ranges of properties in comparison with traditional materials. However, almo... see more

Pags. 9 - 20  

MUHAMMAD ADIL KHAN, ASJAD JAVED, MAHBOOB ALI CHOUDHRY

The most important property of concrete is its compressive strength, which is carried out after 28-days of proper curing of concrete. This test is affected by other factors like the condition of curing, water to cement ratio, method of transportation, han... see more

Pags. 21 - 30  

MUHAMMAD IMRAN BABAR, AFTAB AHMAD, SAQIB FAYYAZ

ED (Economic Dispatch) is one of the major problems of power system operation. The aim of ED problem is the efficient utilization of resources to provide the demanded power while generating cost turns out to be minimum and no constraint is violated either... see more

Pags. 31 - 46  

ASGHAR ALI CHANDIO, MEHWISH LEGHARI, MUKHTIAR AHMED MEMON, MEHJABEEN LEGHARI, AKHTAR HUSSAIN JALBANI

Conventional solar cells are not economical and are recently too expensive to the manufacturers for extensive-scale electricity generation. Cost and efficiency is most vital factor in the accomplishment of any solar technology. In order to improve the con... see more

Pags. 47 - 54  

BATOOL MEMON, SAIMA JATOI, ZEESHAN ALI, JAVED RAHMAN LARIK, LIAQUAT ALI JAMROF

Conventional solar cells are not economical and are recently too expensive to the manufacturers for extensive-scale electricity generation. Cost and efficiency is most vital factor in the accomplishment of any solar technology. In order to improve the con... see more

Pags. 55 - 62  

HUMMAIRA KANWAL, MUHAMMAD SHAHZAD ASLAM, TAYYABA LATIF MUGHAL, MUHAMMAD ASIM, REENA MAJID MEMON

FRC (Fibre Reinforced Concrete) is fibrous material which increases its structural integrity, resists to explosive spalling in case of environmental affects, improves mix cohesion, improves ductility, reduces of steel reinforcement requirements and reduce... see more

Pags. 63 - 70  

WAQAS FARID, NADEEM ISHAQ KURESHI, SUQRAT BABAR, SHAHID MAHMOOD

The aim of this paper is to identify various risk factors faced by construction industry during execution phase of the project. Relevant published literature was studied for the identification of the risk factors and professionals from the local construct... see more

Pags. 71 - 80  

SUNNY KATYARA, ASHFAQUE AHMED HASHMANI, BHAWANI SHANKAR CHOWDHARY

SVPWM (Space Vector Pulse Width Modulation) technique is type of traditional PWM method that efficiently utilizes its dc link voltage and generates high voltage pulses with low harmonic content and high modulation index. VSI (Voltage Source Inverter) with... see more

Pags. 81 - 96  

SUHEB ALI RAJPER, IMRAN NAZIR UNAR, AZIZULLAH CHANNA, ZULFIQAR ALI BHATTI

Pakistan has proven huge coal reserves but still unable to harvest the energy due to unavailability of ingenious technology. Coal gasification is robust, efficient and environmental friendly technology but it is highly sensitive to the coal characteristic... see more

Pags. 97 - 110  

MUHAMMAD RAMZAN, MURTAZA ALI, FIAZ HUSSAIN

Conformal vector fields are treated as generalization of homothetic vector fields while disformal vector fields are defined through disformal transformations which are generalization of conformal transformations, therefore it is important to study conform... see more

Pags. 111 - 116  

UROOSA NADIR, TUFAIL HABIB, SIKANDAR BILAL KHATTAK, ISHRAT NOOR

In recent times, the globalization of markets due to the improvement of utilization of resources has significant impact on the manufacturing systems. International competition forced companies to establish efficient and effective production facilities tha... see more

Pags. 117 - 132  

GHULAM SHABIR SOLANGI, ALTAF ALI SIYAL, MUHAMMAD MUNIR BABAR, PIRAH SIYAL

Under the current scenario of diminishing Indus River flows and changing the climate, the Indus Delta, the world’s 5th largest delta which has undergone rapid changes in water bodies and vegetative cover since last few decades, is under serious risk of lo... see more

Pags. 133 - 144  

MUHAMMAD YASIR ZAHEEN, ZIA MOHI-U-DIN, ALI AKBAR SIDDIQUE, MUHAMMAD TAHIR QADRI

In recent times due to rise in terrorism, people need to live in a safer place where unidentified persons will not be allowed to enter in the premises. Securing of major areas is a vital issue that needs to be addressed for the intelligence and security a... see more

Pags. 145 - 152  

MUHAMMAD AHMED KALWAR, SONIA IRSHAD MARI, MUHAMMAD SAAD MEMON, ANWARUDDIN TANWARI, ALI ARSALAN SIDDIQUI

The aim of this study is to suggest the optimum number and schedule of doctors at the OPD (Out-Patient Department) of Gastrology of a hospital in Pakistan. In order to achieve this aim, the discrete event simulation model is developed to minimize waiting ... see more

Pags. 153 - 170  

ANIS FATIMA, SYED AMIR IQBAL

Non-traditional machining processes are popular for generating complex features on the work piece. With advances in material engineering, new ways of cutting technologies has been emerged. However, EDM (Electric Discharge Machining) has gained recognition... see more

Pags. 171 - 178  

SOHAIL AKRAM, SHAFI UDDIN, SYED HUSAIN IMRAN JAFFERY, MIAN AAMER JALIL, SYED WAQAR HAIDER KAZMI

Non-traditional machining processes are popular for generating complex features on the work piece. With advances in material engineering, new ways of cutting technologies has been emerged. However, EDM (Electric Discharge Machining) has gained recognition... see more

Pags. 179 - 194  

SHAHID HUSSAIN ABRO, SYED AQEEL AHMED SHAH, ABDULAZIZ SOLAIMAN ALABOODI, TALHA SHOAIB

The aim of nuclear power plant ageing management and assessment is to maintain an adequate safety level throughout the life time of the plant and helps in determining the useful operation. Various factors involved in the insulation of polymeric cables suc... see more

Pags. 195 - 204  

SANAM IRUM MEMON, MAZHAR HUSSAIN PEERZADA, RAFIQUE AHMED JHATIAL, RAJA FAHAD ASHRAF QURESHI

The Woven preforms are generally manufactured by weaving technique using either complex 3D weaving machines or especially designed patent machines. The advantage of conventional technique lies in the flexibility of yardage production and composite may be ... see more

Pags. 205 - 212  

JUNAID RASHID, SYED MUHAMMAD ADNAN SHAH, AUN IRTAZA

Topic modeling is an effective text mining and information retrieval approach to organizing knowledge with various contents under a specific topic. Text documents in form of news articles are increasing very fast on the web. Analysis of these documents is... see more

Pags. 213 - 222