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An Intelligent System for Filling of Missing Values in Weather Data
Maqsood Ali Solangi,Ghulam Ali Mallah,Shagufta Naz,Jamil Ahmed Chandio,Muhammad Bux Soomro International Journal of Computer ScienceNetwork S 2023 International journal of computer science and netw Vol.23 No.9
Recently Machine Learning has been considered as one of the active research areas of Computer Science. The various Artificial Intelligence techniques are used to solve the classification problems of environmental sciences, biological sciences, and medical sciences etc. Due to the heterogynous and malfunctioning weather sensors a considerable amount of noisy data with missing is generated, which is alarming situation for weather prediction stockholders. Filling of these missing values with proper method is really one of the significant problems. The data must be cleaned before applying prediction model to collect more precise & accurate results. In order to solve all above stated problems, this research proposes a novel weather forecasting system which consists upon two steps. The first step will prepare data by reducing the noise; whereas a decision model is constructed at second step using regression algorithm. The Confusion Matrix will be used to evaluation the proposed classifier.
Wastewater from the textile industry: Review of the technologies for wastewater treatment and reuse
Ahsan Ali,Jamil Farrukh,Rashad Moeen Ali,Hussain Murid,Inayat Abrar,Akhter Parveen,Al-Muhtaseb Ala’a H.,Lin Kun-Yi Andrew,박영권 한국화학공학회 2023 Korean Journal of Chemical Engineering Vol.40 No.9
The textile industry is water intensive and discharges numerous coloring compounds into the water body that depend on the industry’s geographical location, the wet processes used for manufacturing, processing conditions, and the substrates involved. Textile wastewater contains chlorobenzenes, phthalates, heavy metals, azo dyes, and chlorophenols that have severe health issues, such as being allergenic, cytotoxic, genotoxic, mutagenic, and carcinogenic threats to living organisms. The differing concentrations of sulfates, chlorides, TOC, TDS, TSS, BOD, COD, high pH, and dye content characterize textile wastewater. To protect the environment and public health, a higher concentration of these items in textile wastewater is needed to treat the textile wastewater effluent before discharge. The conventional treatment methods are not able to fully remove the pollutants, such as physical treatments can only remove grease, oil, and TSS, whereas biological wastewater treatment (aerobic and anaerobic) can only decrease colors, COD, BOD, oil, and phenol with a higher accomplishment period and by-products. Therefore, it is necessary to develop effective ecofriendly, cost-effective, novel techniques, such as membrane technology, and a promising method with fewer by-products. The activated carbon method effectively removes heavy metals and dyes from the textile wastewater, and advanced oxidation processes (AOPs) are a recent development in textile wastewater treatment processes. Combining AOPs methods has been proven effective in removing pollutants when combined with biological and advanced physical processes. This paper reviews the textile manufacturing process, textile wastewater characteristics, textile wastewater’s impact on the environment and health, and the available textile wastewater treatment approach.
Jamil Ur Rahman,Ali Hussain,Adnan Maqbool,Rizwan Ahmed Malik,송태권,김명호,이순일,김원정 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.67 No.7
Lead-free piezoelectric 0.97(Bi0.5Na0.5Ti1−xNbx)O3-0.03BaZrO3 (BNT-BZ3) ceramics (x = 0 0.03) were prepared by a conventional solid-state reaction method. X-ray diffraction patterns revealed the formation of single-phase perovskite structure with x 0.015. The depolarization temperature and the dielectric constant decreased with increasing Nb content. The remanent polarization (Pr) and the piezoelectric constant (d33) increased from 28 μC/cm2 and 98 pC/N for x = 0 to 31 μC/cm2 and 128 pC/N for x = 0.005, respectively. In addition, the electric field induced strain was enhanced with a maximum value Smax = 0.17% with a normalized piezoelectric coefficient of d 33 = 283 pm/V at an applied electric field of 6 kV/mm for x = 0.015.
Jamil Ur Rahman,Ali Hussain,Adnan Maqbool,Rizwan Ahmed Malik,송태권,김명호,이순일,김원정 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.4
Lead-free piezoelectric ceramics (1−x) [(0.97Bi0.5Na0.5TiO3)]-0.03BaZrO3-xLiNbO3 (BNT-BZ3-xLN) with x = (0 − 0.07) were synthesized using the conventional solid-state reaction method, andtheir crystal structure, microstructure, and dielectric, ferroelectric and piezoelectric properties wereinvestigated as a function of the LN content. The X-ray diffraction patterns revealed the formationof a single-phase perovskite structure for all the LN-modified BNT-BZ ceramics in this study. Theresults indicate that the LN substitution into BNT-BZ3 induces a transition from a ferroelectricto a diffuse and/or relaxor state accompanying a field-induced strain of 0.20% for x = 0.05 at anapplied field of 6 kV/mm. The corresponding dynamic piezoelectric coefficient for this compositionwas (Smax/Emax = 333 pm/V). A significant reduction of the coercive field (Ec) and enhancementof the piezoelectric constant (d33) from 98 pC/N for x = 0 to 117 pC/N x = 0.01 was observed.
Jamil Ur Rahman,Ali Hussain,Adnan Maqbool,Rizwan Ahmed Malik,김민수,김명호 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.7
In this work, lead-free 0.945B0.5N0.5TiO3-0.055BaZrO3 (BNT-BZ) ceramics were synthesized byusing conventional solid-state reaction method and the effect of different sintering temperatures(1145 − 1200◦C) on its structure and electromechanical properties were investigated. XRD patternsrevealed single a phase-perovskite structure for all samples sintered at different temperatures. An optimum sintering temperature enhanced densification, promoted grain growth, and improvethe dielectric and piezoelectric properties. However, at low (1145◦C) and high (1200◦C) sinteringtemperatures, the BNT-BZ ceramics showed inferior electromechanical properties. BNT-BZ ceramicssintered at an optimum temperature (1175◦C) showed an enhanced strain (0.39%) responseat an applied electric field of 7 kV/mm with a high dynamic piezoelectric coefficient (d∗33 = 557pm/V). These results can be attributed to the high density of the BNT-BZ ceramics sintered at1175◦C.
ABD JAMIL, Farazila Rita,ALI, Mazurina Mohd,YEBOAH, Michael Korea Distribution Science Association 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.7
Past studies on the influence of corporate social responsibility (CSR) activities on firms have been inconsistent, highlighting the significance of examining how CSR affects the performance of Malaysian government-linked companies (GLCs). The study aims to investigate the impact of CSR dimensions (economic, legal, ethical, and philanthropic) on firm performance from 2016 to 2020 using a sample of 31 GLCs from the top 100 companies under the Main Board of Bursa Malaysia. A total of 35 GLCs were selected as the study sample size based on the top 100 businesses listed under the board of Bursa Malaysia as of 31 December 2020. The study employed correlation and multiple linear regression models to examine the relationship between CSR dimensions and firm performance. Financial performance is evaluated using accounting-based models of return on assets (ROA) and return on equity (ROE) and market-based models of earnings per share (EPS) and market value (MV). The CSRHub database was employed to collect information on the performance of company CSR dimensions. The findings suggested a significant positive relationship between ethical and philanthropic CSR and firm performance regarding ROE. Thus, GLCs prioritized ethical and philanthropic CSR over other dimensions.
Rashid Ali Laghari,Ning He,Muhammad Jamil,Muhammad Irfan Hussain,Munish Kumar Gupta,Grzegorz M. Krolczyk 한국정밀공학회 2023 International Journal of Precision Engineering and Vol.10 No.6
Metal matrix composites (MMCs) are lightweight, hard materials applied in heavy-duty applications such as automobile, aerospace, and electronics, as well as sports equipment. MMCs reveal exceptional physical and mechanical properties, including high strength, corrosion, wear resistance, higher stiffness, and toughness. However, owing to poor surface finish, accelerated tool wear, and high material removal cost, MMCs are categorized as difficult-to-cut composites. This article reviews sustainable machining under different lubrication and cooling approaches and the economics of the operation for MMCs. The study focuses on optimizing machinability factors, such as surface integrity, chip formation, tool wear, and sustainability analysis. To attain this goal, the review evaluates suitable cutting parameters for Aluminum, Titanium, Magnesium, and Copper-based metal matrix composites, which hitherto have not been explored or summarized comprehensively. This study provides strong guidance regarding selection of precise cutting parameters for MMCs. The findings of this review suggest that different cooling/lubrication technologies can optimize and improve the sustainability and machinability characteristics, extend tool life and surface quality, during the cutting operation.
Hussain, Ali,Rahman, Jamil Ur,Ahmed, Faheem,Kim, Jin-Soo,Kim, Myong-Ho,Song, Tae-Kwon,Kim, Won-Jeong Elsevier 2015 Journal of the European Ceramic Society Vol.35 No.3
<P><B>Abstract</B></P> <P>In this work, plate-like Na<SUB>0.5</SUB>Bi<SUB>0.5</SUB>TiO<SUB>3</SUB> (NBT) particles were successfully synthesized from a bismuth layer-structured ferroelectric Na<SUB>0.5</SUB>Bi<SUB>4.5</SUB>Ti<SUB>4</SUB>O<SUB>15</SUB> (NBT4) precursor by a topochemical microcrystal conversion (TMC) method. Because of the high anisotropic structure, plate-like NBT4 particles were first synthesized by molten salt process. After topochemical reaction with the complementary reactants (Na<SUB>2</SUB>CO<SUB>3</SUB>) and TiO<SUB>2</SUB> at 950°C for 4h in NaCl flux, the layer structure of the NBT4 particles was transformed into a simple perovskite NBT template. The resulting large NBT templates had plate-like shape, an average size of 10–15μm and retained the morphological features of the NBT4 precursor. The large as synthesized plate-like NBT particles were utilized to fabricate textured 99.40 Na<SUB>0.5</SUB>Bi<SUB>0.5</SUB>TiO<SUB>3</SUB>-0.60BaZrO<SUB>3</SUB> (NBT-BZ) ceramics via the templated grain growth (TGG) method.</P>
Asghar Ali,Zuhair S. Khan,Mahmood Jamil,Yaqoob Khan,Nisar Ahmad,S. Ahmed 한국물리학회 2018 Current Applied Physics Vol.18 No.5
We developed sulfonated, reduced graphene oxide (S-RGO) through fuming/concentrated sulfuric acid treatment of graphene oxide (GO) in ambient conditions. It was demonstrated that the optical band gap and electrical conductivity of S-RGO are easily tunable, and depend on the level of reduction and sulfonation of GO. Whereas, reduction and sulfonation were found dependent on SO3 content, acid strength, and gas tightness of the reaction mixture. It's actually the water content of oleum that determines the nature of the final product. The easily adjustable band gap and electrical conductivity suggest that S-RGO can be employed as a potential hole extraction layer (HEL) material for several donor-acceptor systems. For P3HT:PC61BM based inverted polymer solar cells, it was observed that the shape of the JeV curve is tailorable with the choice of HEL. Compared to a 2.75% power conversion efficiency (PCE) attained with PEDOT:PSS, a PCE of 2.80% was achieved with tuned S-RGO. Our results imply that an S-RGO of sufficiently high band gap and conductivity can replace some of the state of the art HEL materials for a host of device applications.