Articles
256 open-access articles · page 8 of 13
ArticlesPERFORMANCE ENHANCEMENT OF VIBRATION-BASED ELECTROMAGNETIC ENERGY HARVESTER DUE TO REDUCED AIR DAMPING
Farid Ullah Khan·
This work presents on the performance enhancement ofvibration-based electromagnetic energy harvesters (EMEHs) due to reduced air damping. Fabrication and characterization of Copper foil-type EMEH-l and polydimethylsiloxane (PDMS) membrane type…
10 Aug 2020- Articles
EXTRACTION OF GOLD AND SILVER BY AGITATION CYANIDATION PROCESS FROM COMPLEX ORE OF SHOUGHUR AREA CHITRAL, KYBER PAKHTUNKHWA PAKISTAN
Sajjad Hussain, Nisar Mohammad, Zahid Ur Rehman, Noor Mohammad, Ishaq Ahmad, Naseer Muhammad Khan et al.
The gold cyanidation/leaching process is the most versatile processing technique used for extraction of gold utilizing different cyanidation parameters likes grinding time, pH, cyanidation time, sodium cyanide (NaCN) and lime CaO.. The efficiency of cyan…
10 Aug 2020 - Articles
ON THE PERFORMANCE OF SUPERVISED CLASSIFIERS FOR CROP IDENTIFICATION AND ESTIMATION USING MULTI-SPECTRAL IMAGERY
Asif Ali Khan, Nasru Minallah, Shahbaz Khan
The objective of this research is to investigate crop estimation using SPOT-5 satellite imagery. We specifically considered tobacco as our pilot crop and compared the obtained results with manually delineated calculations. For this research SPOT-5 imagery of 2…
10 Aug 2020 - Articles
EVALUATION OF MARBLE SLURRY WASTE FOR PREPARATION OF COMMERCIAL GRADE CEMENT
Wisal Shah, Muhammad Nafees, Muhammad Iqbal
Marble processing is generating a large amount of slurry waste which poses serious impact on the environment. This study was conducted with the objective to demonstrate the practicability of using marble slurry wastes in the manufacturing of cement on commerci…
10 Aug 2020 - Articles
EFFICIENCY OF WASTEWATER TREATMENT PLANT IN THE PUNJAB TANNERY SECTOR: A CASE STUDY OF DADA TANNERY
Sajjad Haydar, Zunaira Asif, A. A. Bhatti, Obaidullah Nadeem, Ghulam Hussain, Nadeem Abbas
Tanning industry of Pakistan contributes significantly towards foreign exchange earnings of the country. Growing concern of international buyers on environmental compliance, during tanning process, has forced this sector to install wastewater treatment plants…
10 Aug 2020 - Articles
DESIGN OF MINITURISED MIMO ANTENNA WITH W-LAN BAND NOTCHED FOR ULTRA WIDE BAND (UWB) APPLICATIONS
Numan Ahmad, Shahid Bashir, Shahid Rauf
A miniaturized Multi-input Multi-output (MIMO) antenna is proposed for Ultra-wideband (UWB) applications having capability to mitigate interference with the WLAN (5.15GHZ-5.85GHZ) operating band. A ‘spider’ shape structure is etched on the gr…
10 Aug 2020 - Articles
CHARACTERIZATION OF NICKLE FREE TITANIUM ALLOY TI-27NB FOR BIOMEDICAL APPLICATIONS
Muhammad Amjad, Saeed Badshah, Muhammad Adil Khattak, Rafi Ullah Khan, Muhammad Mujahid
Bone implantation is common since several decades. Titanium alloys are the most commonly used bone implant materials. TI-27Nb (Titanium-27% Niobium) having no toxic effects on human body and also having low modulus. The objective of this paper is the mec…
10 Aug 2020 - Articles
ANALYZING THE EFFECT OF SQUEEZE CASTING PROCESS PARAMETERS ON MECHANICAL PROPERTIES OF OVERCAST ALUMINIUM-ALLOY JOINT USING RESPONSE SURFACE METHODOLOGY
Muhammad Asad Ali, Mirza Jahanzaib, Muhammad Ahsan Ul Haq
This study contains, the overcast 2024-2024 wrought aluminium alloy joints produced by casting liquid 2024 wrought aluminium alloy onto the solid 2024 wrought aluminium alloy inserts using squeeze casting process. The quality of overcast joints fabricate…
10 Aug 2020 - Articles
EXTRACTION OF HIGH QUALITY TALC FROM TALC-CARBONATE ROCK OF MINGORA EMERALD MINES BY FLOTATION AND LEACHING
Nisar MohammadÙ, Mohammad Mansoor KhanÙ, Noor MohammadÙ
Talc is hydrated magnesium silicate with chemical formula Mg3Si4O10(OH)2. In natural form pure talc is an extreme rarity and it is mostly associated with undesired minerals like magnesite, calcite, dolomite, quartz, muscovite, chlorite, tremolite and iron bear…
10 Aug 2020 - Articles
FAULT-MANAGEMENT ON SYSTEM’S LEVEL IN CONTROLLER AREA NETWORK BASED “SHARED-CLOCK” ENVIRONMENTS
Muhammad Amir, Syed Waqar Shah, Michael J. Pont
Shared-Clock (SC) architectures based on the Controller Area Network (CAN) protocol have been inherently plagued by flexibility and fault-management issues since they were introduced. The easiest way out of such issues is to adopt the more flexible/fault…
10 Aug 2020 - Articles
COMPARATIVE STUDY ON CONSTRUCTION PROJECT MANAGEMENT BETWEEN RESTIVE REGIONS OF PAKISTAN AND REMAINING PART OF COUNTRY
Waqas Anwar, Iftikhar Hussain
Huge gap exists in infrastructure development between restive regions of Pakistan like Federally Administered Tribal Areas, Provincially Administrative Tribal Areas (FATA/ PATA) / hinterland of Baluchistan and remaining part of Pakistan. Government reali…
10 Aug 2020 - Articles
COMPARATIVE STUDY OF RELAY PROTOCOLS USING SIMULATION
Gulzar Ahmad, Sahibzada Faheem, Amjad Ullah, Waqar Shah, S.M. Majid Ashraf
Cooperative communication has gained a lot of interest due to its ability to exploit the spatial diversity or antenna diversity. The implementation of the cooperative relaying systems involves less hardware and low complexity but gives comparable per…
10 Aug 2020 - Articles
STUDY OF OCCUPATIONAL HEALTH SAFETY IN STEEL RE-ROLLING MILL WITH REFERENCE TO HIGH NOISE LEVEL AND TEMPERATURE
M. Nafees, Bushra Khan, Robina Naz
This study was conducted to assess the exposure to noise and temperature in a steel re- rolling mill. The measured noise and temperature values were then compared with international standards set by Occupational Safety and Health Administration (OSHA). Our res…
10 Aug 2020 - Articles
A SURVEY OF MOBILE PHONES CONTEXT-AWARENESS USING SENSING COMPUTING RESEARCH
Shaukat Ali, Shah Khusro, Laiq Hasan, Asif Ali Khan
Recent technological advancements have not only emerged mobile phones as the key computing and communication platforms for performing individual's daily activities but have turned them into global sensing devices as well. Mobile phones sensing is a n…
10 Aug 2020 - Articles
MINIATURE VIBRATION SHAKER FOR MEMS-SCALE VIBRATION-BASED ENERGY HARVESTERS APPLICATION
Farid Ullah Khan
This paper describes the design and fabrication of miniature electromagnetic-type vibration shaker for generating sinusoidal vibrations. Conventional machining is used to produce different parts of the vibration shaker. The shaker’s table is supported by…
10 Aug 2020 - Articles
DESIGN AND IMPLEMENTATION OF AN EFFICIENT MICRO-HYDROELECTRIC SCHEME FOR LOW HEADS
Gul Rukh, Iftikhar Khan* M. Naeem Arbab, Uzma Nawaz
This paper presents a design of a hydroelectric scheme specially proposed for low head applications. After carefully studying the hydrology and geographical conditions of the site, turbine is designed for the heads of 3 to 10 meters obtainable from streams and…
10 Aug 2020 - Articles
ANALYSIS OF SITE, SITUATION AND THEIR IMPACT ON RESETTLEMENT OF PROPOSED NEW BALAKOT TOWN, PAKISTAN: AN EX POST EVALUATION OF 2005 KASHMIR EARTHQUAKE
Amjad Ali, Amir Nawaz Khan, Atta-ur-Rahman, Muhammad Saeed
The 2005 Kashmir Earthquake has completely destroyed the town of Balakot. As a consequence the site of Balakot town has been declared as a red zone and for resettlement new Balakot town was proposed at Bakryal. There is uncertainty about the resettle…
10 Aug 2020 - Articles
PERFORMANCE OF THE MANUFACTURING SECTOR OF PAKISTAN AND ITS COMPETITIVENESS CAUSE AND REMEDY
Syed Asif Ali Shah, Iftikhar Hussain
The manufacturing sector is of great importance for the economic development of every country. In Pakistan the contribution to GDP of the manufacturing sector over the past three decades has not grown measurably. A vibrant manufacturing sector entails a move f…
10 Aug 2020 - Articles
SOME AGGREGATION OPERATORS FOR BIPOLAR-VALUED HESITANT FUZZY INFORMATION BASED ON EINSTEIN OPERATIONAL LAWS
Tahir Mahmood, Kifayat Ullah, Murad Ullah, Naeem Jan, Irfan Deli, Qaisar Khan
This article is based on Einstein operations for bipolar-valued hesitant fuzzy sets (BVHFSs). We extend the concept of Einstein operators for BVHFSs by defining bipolar-valued hesitant fuzzy Einstein weighted averaging (BPVHFEWA) operators and weighted g…
10 Aug 2020 - Articles
YIELD RESPONSE AND WATER USE EFFICIENCY OF SUGAR BEET IN SEMI-ARID ENVIRONMENT UNDER DIFFERENT DEFICIT IRRIGATION REGIMES
Abdul Malik, Abdul Sattar Shakir, Muhammad Jamal Khan, Muhammad Latif, Zia-ul-Haq
A field study was conducted to find the effect of deficit irrigation regimes on yield and water use efficiency ofsugar beet under furrow irrigation system during the cropping season of 2011-2012 and 2012-2013 at Sugar Crops Research Institute Mardan, Khyb…
10 Aug 2020