267 research outputs found
Supplemental Material - Empowering Expecting Women to Obtain High-Quality Healthcare in Pakistan: An Evaluation of Khyber Pakhtunkhwa’s Conditional Cash Transfer Program
No full textSupplemental Material for Empowering Expecting Women to Obtain High-Quality Healthcare in Pakistan: An Evaluation of Khyber Pakhtunkhwa’s Conditional Cash Transfer Program by Rabia Majeed, Javed Iqbal, Zahoor ul Haq, and Muhammad Faisal Shahzad in Evaluation Review.</p
Flexural performance of cold formed steel tube filled with oil palm clinker concrete / Muhammad Faisal Javed
No full textThe use of concrete filled steel tubes (CFST) in structures is increasing day by day. Cold-formed steel is light weight, highly durable, more fire resistant, and has cheaper and simpler maintenance as compare to hot-rolled steel. The only issue with cold-formed steel is its high initial cost, but it can be offset by lower lifetime cost. The amount of cold-formed steel required is often reduced by filling hollow structural sections with concrete. Agricultural industry produces various types of solid waste. Oil Palm boiler clinker is an agriculture waste from the palm oil industry and considered as a severe threat to the environment. Therefore, channeling oil palm boiler clinker waste material into the concrete industry would help to promote the usage of a sustainable and lightweight member. A combination of oil palm boiler clinker concrete (OPBC) and steel is a compromise between benefits and disadvantages. Therefore, in this study, a new sustainable CFST members consisting of steel tube and OPBC is proposed and investigated. This study focuses on experimental and numerical methods to examine the behavior of oil palm boiler clinker concrete filled steel tubes (OCFST) at ambient and elevated temperature. Full-scale specimens were tested at ambient temperature with monotonic loading while some specimens were tested at an elevated temperature according to ISO-834 heating curve under an-isothermal conditions with a constant static load. Finite element (FE) model was developed using ANSYS and the results from tests in both conditions were used as validation data. An extensive parametric study was performed using the validated ambient temperature model to investigate the influences of the depth-to-thickness ratio (20−200), concrete compressive strengths (2–100 MPa), and steel yield strengths (235–400 MPa) on the fundamental behavior of CFST beams under flexure load only. The results from parametric studies and experimental data of researchers from the literature were used to check the accuracy of the existing design methods presented in Eurocode (EC4 (2004), CIDECT, AISC (2010) and GB50936 (2014). Furthermore, FE model was developed and verified against experimental test results from this study. The verified FE model was used to analyze the effect of important parameters like strength of steel, strength of concrete, load ratio, cross-sectional dimension and steel ratio on the elevated temperature performance of CFST members. It was concluded that increasing yield strength of steel and load ratio has adverse effect on the fire resistance time of CFST members. The results obtained from this study were compared with the available equations for predicting the member temperature of the steel tube and in-filled concrete. The available equations can be used to predict the temperature of outer steel tube while the equations for predicting the temperature of in-filled concrete needed to be revised
Kinematic Modeling and Simulation of an Economical SCARA Manipulator by Pro-E and Verification using MATLAB/Simulink
No full textSCARA (Selective Compliance Assembly Robot Arm) manipulators are among the most extensively used manipulators in industry due to high precision and their inherent rigidity. This research demonstrates mechanical design process of an economical SCARA manipulator with unique and competing industrial specifications using Pro-E software. Inverse kinematic equations are also derived using algebraic and geometric method to control the manipulator movement. The design process includes the design of joints, links and controller as well as the selection of its electrical and mechanical components. The selection of the actuators and the dimensions of the whole mechanical structure are selected in such a way to direct its center of gravity towards base and also reduce the vibration and backlash in its mechanical structure. The main task was to use readily available components with an eye on keeping the costs down. Finally the performance of SCARA system is examined in Pro-E and verified manipulators movement with MATLAB/Simulink which exhibits the effectiveness of the proposed mode
Enhanced Production of Fatty Acid Ethyl Ester with Engineered fabHDG Operon in Escherichia coli
No full textBiodiesel, or fatty acid ethyl ester (FAEE), is an environmentally safe, next-generation biofuel. Conventionally, FAEE is produced by the conversion of oil/fats, obtained from plants, animals, and microorganisms, by transesterification. Recently, metabolic engineering of bacteria for ready-to-use biodiesel was developed. In Escherichia coli, it is produced by fatty acyl-carrier proteins and ethanol, with the help of thioesterase (TesB) and wax synthase (WS) enzymes. One of the foremost barriers in microbial FAEE production is the feedback inhibition of the fatty acid (FA) operon (fabHDG). Here, we studied the effect of biodiesel biosynthesis in E. coli with an engineered fabHDG operon. With a basic FAEE producing BD1 strain harboring tes and ws genes, biodiesel of 32 mg/L were produced. Optimal FAEE biosynthesis was achieved in the BD2 strain that carries an overexpressed operon (fabH, fabD, and fabG genes) and achieved up to 1291 mg/L of biodiesel, a 40-fold rise compared to the BD1 strain. The composition of FAEE obtained from the BD2 strain was 65% (C10:C2, decanoic acid ethyl ester) and 35% (C12:C2, dodecanoic acid ethyl ester). Our findings indicate that overexpression of the native FA operon, along with FAEE biosynthesis enzymes, improved biodiesel biosynthesis in E. coli
اظہر جاوید کی شخصیت نگاری
No full textAzhar Javed’s name is prominent and unique in many respects in Urdu litrerature. Azhar javed man was a well known editore, reasearcher, poet, fiction writer, columnist, translator and journalist. He was bron on January 4,1938 in Rawalpindi. Editor Azhar Javed is a mature critic. He has experimented in all genres of Urdu literature.his personal articals are rich in critical awareness and insight. His articals, though very few in numbers, are unique in trems of criticism. He has tried to express his point of view simply. Thses personal articals of Azhar Javed were publeshd in various magazines of Urdu literature. These articals are sketches of famous people of Urdu literature which came to the public with critical facts. The critcals review of thses essays is presented to you.
Performance evaluation of ruthenium complexes and organic sensitizers in ZnO-based dye-sensitized solar cells
No full textRuthenium (Ru) dyes are a well-known player in the field of dye-sensitized solar cells (DSSCs) due to their high efficiency and excellent stability. Their properties and complexes have been studied for almost three decades. Although these sensitizers show better performances, their high cost makes these third-generation solar devices less economical. Organic dyes have recently been explored as an alternative to Ru-based dyes due to their easy and low-cost synthesis. A comparative performance evaluation of Ru complexes and dicyanoisophorone and rhodanine organic dyes in ZnO-based DSSCs is here reported. All the Ru complexes showed better performance in comparison to organic dyes except R-4. Among the Ru sensitizers, R-3 exhibited the highest efficiency of 1.21% followed by R-2, which is attributed to the presence of several anchoring groups such as carboxyl, nitro and amine. However, the presence of more nitrogen-based groups has drastically reduced the performance as observed for R-4, which is the least performing dye among the Ru-based ones. On the contrary, organic sensitizers S-06 and P-4 revealed to be less efficient with respect to R-3 owing to the presence of only one anchoring group and weak photoanode/dye interaction
اقبال کی شاعری کے کشمیری شعرا پر اثرات: تحقیقی و تجزیاتی مطالعہ
No full textIn the beginning of the nineteenth century, it is pertinent to mention that many political and social movements started in India. These movements affected the entire system of entire India. The effects of these movements must have been felt in the state of Jammu and Kashmir . The effects of the political movements within India caused to be established in Kashmir as a result of which political and social awareness became the shape of a movement. People outside Kashmir played a significant role in strengthening the spirit of this initiative. Among them, people like M. Zafar Ali Khan, M. Abdul Majeed Salik Muhammad Deen Fawk, Maulana Ghulam Rasool Mehr, Syed Attaullah Shah Bukhari Hafeez Jalandhri and Shurash Kashmiri did not speak a single word, but the most powerful voice among them was Allama Muhammad Iqbal. It is significantly added that the poets of Kashmir accepted the influence of Iqbal's thought. Apart from Pirzada Ghulam Ahmad Mehjoor Ghulam Rasool Nazqi Abdul Ahad Azad Shaha Zor Kashmiri Shourida Kashmiri, there are many poets including Hamidi Kashmiri Khalifa Abdul Hakeem, Khushi Muhammad Nazer, Hakeem Manzoor Mirza Ghulam Hasan Baig, Ghulam Ahmad Faisal Kashmiri who were influenced by Iqbal's thought and inspired in his poetry.
Assessment of the quality of wool from different sheep breeds of Pakistan
No full text<p>The present study was conducted in Pakistan to determine the wool characteristics of important sheep breeds and Rambouillet crossbreds in the country. In total, 4733 wool samples from 22 sheep breeds, and three crossbreds were analyzed. The clean wool yield was maximum (<em>P</em> < 0.05) in case of Kail, Pahari, Kairi, and Chitrali while lowest (<em>P</em> < 0.01) in case of Harnai, Khadali, Sipli and Manghali. The maximum (<em>P</em> < 0.05) fiber dimeter noted was 37.7µm in Lohi and Kajli, while the lowest (<em>P</em> < 0.001) fiber diameter noted was 20.1µm in Rambouillet. The second lowest (<em>P</em> < 0.001) fiber diameter was 23.0 and 23.7µm in Kairi and Chitrali breeds, respectively. The lowest (<em>P</em> ≤ 0.01) medullation noted in local breeds was 5.9%, in case of Kairi. The highest (<em>P</em> < 0.001) medullation was found to be 60.9% in Manghali breed. The shortest (<em>P</em> < 0.01) staple noted was 2.71cm in Pahari, while the longest (<em>P</em> < 0.001) staple was found to be 14.1cm in Harnai breed. Comparison of crossbreds with Rambouillet rams indicated that two consecutive crosses with Rambouillet were necessary to bring the wool quality of Kaghani sheep at par with Rambouillet. Present results highlighted Kairi and Chitrali breeds to have lesser bulk than Rambouillet. The values of fiber diameter of these two breeds, and medullation in wool from Kairi were closer to Rambouillet, making these a preferred target for further research on fine wool in the country.</p>
<p>published by the <a href="https://innspub.net/international-journal-of-biosciences/"> <strong>International Journal of Biosciences (IJB)</strong></a></p>
The Moderating Role of Corporate Governance on the Relationship between Capital Structure and Financial Performance
No full textThe key purpose of this research paper is to explore the moderating effect of Corporate Governance on the relationship between accounting base financial performance i.e. ROA, and ROE and Capital Structure of 173 Manufacturing firms listed in KSE of Pakistan for the period of 2009 to 2014. In this study multiple regression method is used under fixed effect regression model approach on panel data. The empirical results show that the inclusion of Corporate Governance Index (CGI) as moderating variable has influenced the interaction between Capital Structure and Financial Performance which was positively significant. The result is generally found that the most of Pakistani manufacturing listed firms pursue good corporate governance mechanism and use good and optimal level of Capital Mix to get the better and high financial performance. Furthermore, the corporate governance sub-indices i.e. board structure (BOD-I) and transparency & disclosure (DISC-III) both also have positive and statistically significant association with both firms performance variables: ROA and ROE. Moreover, the ownership structure sub-index (OWS-II) has not significant influence on financial performance. In last, the capital structure also has positive relationship with financial performance, interestingly about 70 per cent of Capital is financed by Equity capital and the Debt capital signifies 30 per cent only. The core significance of this paper is to investigate the impact of Corporate Governance practices on financial decisions from the Pakistani perspective.</jats:p
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