Arshad Ali | CHHATTISGARH SWAMI VIVIEKANAND TECHNICAL UNIVERSITY (original) (raw)

Papers by Arshad Ali

Momona Ethiopian Journal of Science, 2014

The understanding of the interactive effects of abiotic stresses is a crucial issue for improving... more The understanding of the interactive effects of abiotic stresses is a crucial issue for improving cereal production in arid environment. For this reason, study was conducted in northern Ethiopia, Tigray region in three sites characterized by different climatic conditions during the cropping season of 2009/10 to understand the agronomic responses of the barley crop to nitrogen and phosphorus fertilization rates combined with supplementary irrigation. Nitrogen (N) and phosphorus (P) fertilizers were applied under three water regimes to 'Sasa' barley variety using split-split plot design with three replications where the sites were treated as a main plot, water regimes assigned to the sub-plot and N and P fertilizers to the sub-subplot. fertilizers and sites had significant (p<0.001) effect on grain yield, thousand grain weight (TGW) and phenological traits. Supplementary irrigation had no effect traits investigated. Most interaction effects, N×P, N×site and P×site had very significant to significant effects on studied barley traits. Supplementary irrigation × site interaction had significant effect only on thousand grain weight (TGW). Optimum yield, for each site, was obtained from different combination of N and P, implying the need of different recommendation package instead of the general 100-100 kg ha-1 UREA and DAP or combination of 28 and 20kg ha-1 of nitrogen and phosphorus fertilizers across all barley growing areas. Therefore, universal recommendation of 100 UREA and 100kg ha-1 DAP should not be treated as best production package for all barley growing areas and this study suggests further thorough investigation for specific NP fertilizers rate recommendation for different barley growing areas.

2015 IEEE 81st Vehicular Technology Conference (VTC Spring), 2015

ABSTRACT During the last years, energy efficiency of wireless networks arises as a dominating con... more ABSTRACT During the last years, energy efficiency of wireless networks arises as a dominating concept to answer the huge energy demand due to the increase of mobile traffic. Currently, a new direction appears with powering mobile base stations by renewable energy sources. While most of the studies in this direction are based on simulation or theory, this paper analyzes the usage of renewable energy in a realistic environment. Our study is based on a live scenario, where real traffic measurements of a major European mobile network operator are used. The effects of renewable energy allocation and base stations switching-off are evaluated in terms of on-grid energy saving and electric bill reduction. Moreover, a new algorithm that combines an in-telligent renewable energy allocation and a switch-off mechanism based on renewable energy generation, storage state and price of on-grid energy is proposed. Our results show that switching-off bases stations can achieve about 19 % energy demand reduction. Moreover, equipping base stations with renewable energy sources that generates 20 % of the total network demand can lead to 51 % reduction in the electric bill.

2005 14th IEEE Workshop on Local & Metropolitan Area Networks

Page 1. 1 An Intelligent Self-Learning Algorithm for IP Network Topology Discovery Zohaib Najeeb1... more Page 1. 1 An Intelligent Self-Learning Algorithm for IP Network Topology Discovery Zohaib Najeeb1, Fawad Nazir1, Sajjad Haider1, Hiroki Suguri2, Hafiz Farooq Ahmad2, Arshad Ali1 1NUST Institute of Information Technology ...

Introduction: CO 2 clumped isotopologue thermometry is an emerging field that allows us to estima... more Introduction: CO 2 clumped isotopologue thermometry is an emerging field that allows us to estimate growth temperatures of carbonates formed in earth and space systems [1-3]. Our aim is to explore conditions of carbonate formation on Mars environment and aqueous alteration processes in carbonaceous chondrites. Analytical Setup: A ThermoFischer MAT253 IRMS is used to measure water equilibrated CO 2 , heated CO 2 and carbonate extracted CO 2 after passing through a custom designed high vacuum metal cleaning line equipped with a packed column of porapak Q. A complete analysis consists of 50 cycles in 5 runs, major beam size of 16V at mass 44 and 26 second integration time. The data is processed using our lab's absolute reference frame based on CO 2 -H 2 O equilibration experiments conducted at 10, 25 and 50 ° C to yield empirical transfer function (ETF) [4]. In addition, with every routine analyses NBS-19 and Carrara Marble [5] are used as standard reference materials to evaluate ...

IOSR Journal of Business and Management, 2014

The present paper is aimed at analyzing the impact of dividend policy on shareholder wealth of oi... more The present paper is aimed at analyzing the impact of dividend policy on shareholder wealth of oil and gas exploration companies of Pakistan during the years from 1999 to 2006. Statistical tools are used in this research including regression and correlation methods to ascertain best fitted model for predicting the dividend policy impact on shareholders wealth, by taking dividend payout ratio, P/E ratio and BV/MV equity ratio as independent variables and holding period yield as dependent variable. To determine the proportion of explained variation in dependent variable, the coefficient of determination has been tested with the help of Ftest. The result indicates based on historical data and statistical analysis that correlation between independent variables and depended variable is very low for all companies showing insignificant relationship between them.

Cardiovascular ultrasound, Jan 6, 2006

Before the widespread use of primary percutaneous coronary intervention (PCI) and glycoprotein II... more Before the widespread use of primary percutaneous coronary intervention (PCI) and glycoprotein IIb/IIIa inhibitors (GP IIb/IIIa) left ventricular (LV) thrombus formation had been reported to complicate up to 20% of acute myocardial infarctions (AMI). The incidence of LV thrombus formation with these treatment modalities is not well known. 92 consecutive patients with ST-elevation AMI treated with PCI and GP IIb/IIIa inhibitors underwent 2-D echocardiograms, with and without echo contrast agent, within 24-72 hours. Only 4/92 (4.3%) had an LV thrombus, representing a significantly lower incidence than that reported in the pre-PCI era. Use of contrast agents did not improve detection of LV thrombi in our study. The incidence of LV thrombus formation after acute MI, in the current era of rapid reperfusion, is lower than what has been historically reported.

ABSTRACT Introduction: The unique achondrite Northwest Africa (NWA) 7680 consists of a single 124... more ABSTRACT Introduction: The unique achondrite Northwest Africa (NWA) 7680 consists of a single 124 g piece. Sectioning of the meteorite revealed two distinct lithologies. One composed com-pletely of Fe-Ni-metal and the other largely composed of silicate grains. Petrography: The largest metal domain is approximately 1 cm across in the sectioned sample. Etching revealed polygonal zones a few mm across. Average Ni content is ~ 6 wt%; regions with Ni content up to nearly 50 wt% are also present, but are only a minor component. The remainder of the sample is pre-dominantly olivine (roughly mm scale, Fa 45 ; FeO/MnO=74) with interstitial plagioclase (average composition of An 41 Or 2). Chro-mite is found as stand-alone grains (TiO 2 =2.2 wt%) and as inclu-sions (TiO 2 =4.4 wt%) in olivine and plagioclase. Other inclu-sions in olivine consist of glass, clinopyroxene and phosphate. The small inclusions of clinopyroxene in olivine are surrounded by glass and difficult to analyze without electron beam overlap. However, the approximate composition is Fs 14 Wo 47 . The glass has nearly albite composition. Fe-sulfide grains are also present in the section. Oxygen Isotopes: Laser-assisted fluorination analyses fol-lowed methods of [1]. Olivine grain separates (minor plagio-clase) gave average values of δ 17 O = 2.39; δ 18 O = 6.58; Δ 17 O = -1.04 per mil. and acid-washed bulk powders gave average values of δ 17 O = 3.07; δ 18 O = 7.80; Δ 17 O = -1.00 per mil. Discussion: Olivine and plagioclase chemical compositions are somewhat similar to brachinites, but the olivine is more Fe-rich. Meteorites with similar mineral chemistry are commonly referred to as &quot;brachinite-like&quot; because they are similar to bra-chinites in mineral composition; however, this group generally has more Mg-rich olivine than true brachinites [e.g. 2]. All oxy-gen isotope values plot on a single trend line near the lodranite-acapulcoite trend line [see 3], but the δ 18 O values are much high-er than typically seen in this group. The values are also in the range of ureilites and this connection must be considered. NWA 7680 may be related to another ungrouped achondrite NWA 6962, which has similar oxygen isotope values and also has a higher fayalite number than brachinites [4]. Trace element data is still required to confirm a designation of primitive achon-drite and to help determine if the meteorite could have come from the same parent body as lodranites and acapulcoites, or pos-sibly ureilites. Trace element data may also shed light on any similarities in formation history between this meteorite and brachinites.

IEEE International Conference on Web Services (ICWS'05), 2005

High Energy Physics (HEP) and other scientific communities have adopted Service Oriented Architec... more High Energy Physics (HEP) and other scientific communities have adopted Service Oriented Architectures (SOA) [1][2] as part of a larger Grid computing effort. This effort involves the integration of many legacy applications and programming libraries into a SOA framework. The Grid Analysis Environment (GAE) [3] is such a service oriented architecture based on the Clarens Grid Services Framework [4][5] and is being developed as part of the Compact Muon Solenoid (CMS) [6] experiment at the Large Hadron Collider (LHC) [7] at European Laboratory for Particle Physics (CERN) [8]. Clarens provides a set of authorization, access control, and discovery services, as well as XMLRPC and SOAP access to all deployed services. Two implementations of the Clarens Web Services Framework (Python and Java) offer integration possibilities for a wide range of programming languages. This paper describes the Java implementation of the Clarens Web Services Framework called 'JClarens.' and s everal web services of interest to the scientific and Grid community that have been deployed using JClarens.

11th IEEE Symposium on Computers and Communications (ISCC'06)

Knowledge of the up-to-date network topology (i.e. Layer 2 & Layer 3) is crucial for efficient ne... more Knowledge of the up-to-date network topology (i.e. Layer 2 & Layer 3) is crucial for efficient network management. Issues like congestion avoidance, resource management, resource discovery, root-cause analysis and event correlation require accurate information of the topology map. Due to dynamic nature of today's IP networks, keeping track of topology information manually is a daunting task. Thus efficient algorithms for automatically discovering physical network topology are necessary. The earlier work has typically concentrated on discovering topology either using completely SNMP-MIB or ICMP echo request/reply, DNS, Trace route, etc. Our proposed algorithm does not rely totally on SNMP-MIB information as it is not usually supported by all devices in the network. Instead we propose an approach where SNMP agent should only be enabled on the routers and managed switches. Rest of the network computers/hosts need not have SNMP agent enabled. We propose an efficient algorithm not only to find available computers/hosts but also to find appropriate timeouts and delays in the network. The experimental results validate our approach, demonstrating that our algorithm discovers accurate physical topology.

Enterprise Information Systems V

2nd International Conference on Broadband Networks, 2005.

Page 1. 1 Grid Node Monitoring Architecture for Autonomous Resource Management Mobeena Jamshed1, ... more Page 1. 1 Grid Node Monitoring Architecture for Autonomous Resource Management Mobeena Jamshed1, Sana Khalique1, Hiroki Suguri2, Hafiz Farooq Ahmad2, Arshad Ali1 1NUST Institute of Information Technology, 166 ...

NOMS Workshops 2008 - IEEE Network Operations and Management Symposium Workshops, 2008

Page 1. Autonomous Network Topology Discovery of Large Multi-subnet networks using lightweight pr... more Page 1. Autonomous Network Topology Discovery of Large Multi-subnet networks using lightweight probing Hamid Mukhtar1, Hafiz Farooq Ahmad2, Ki-Hyung Kim1, Arshad Ali3, Hiroki Suguri2 1Ajou University Suwon South ...

Lecture Notes in Computer Science

... 1 NUST Institute of Information Technology, Rawalpindi, Pakistan sarmad@niit.edu.pk, arshad.a... more ... 1 NUST Institute of Information Technology, Rawalpindi, Pakistan sarmad@niit.edu.pk, arshad.ali@niit.edu.pk 2 Communication Technologies ... ref :sender(agent-identifier :name i) :receiver(set (agent-identifier :name j )) :content (action (Search :name Hassan)) :language fipa-...

Proceedings of the fourth international joint conference on Autonomous agents and multiagent systems - AAMAS '05, 2005

... ali}@niit.edu.pk H. Farooq Ahmad, Hiroki Suguri Multi Agent Systems Research Communication Te... more ... ali}@niit.edu.pk H. Farooq Ahmad, Hiroki Suguri Multi Agent Systems Research Communication Technologies (Comtec) Sendai, Japan {farooq,suguri}@comtec. co.jp Amina Tariq, Amna Basharat College of Signals National ...

Journal of the American Mosquito Control Association, 2006

Effects of sublethal exposure to 0.1% boric acid sugar bait on adult survival, host-seeking, bloo... more Effects of sublethal exposure to 0.1% boric acid sugar bait on adult survival, host-seeking, bloodfeeding behavior, and reproduction of Stegomyia albopicta were studied in the laboratory. Survival of males as well as females was significantly reduced when exposed to the bait, compared to control adults. The host-seeking and bloodfeeding activities in the baited females decreased, but the mean duration of blood engorgement (probing to voluntary withdrawal of proboscis) was not significantly different between the baited and control females. The landing and biting rates (human forearm) were significantly reduced in the baited females compared to nonbaited controls. Fecundity and fertility (based on number of laid eggs per female and percentage egg hatch, respectively) in the baited females were significantly reduced, and ovarian development was retarded. Sublethal exposure to sugar-based boric acid bait has the potential to reduce adult populations of St. albopicta.

Journal of the American College of Cardiology, 2006

Journal of the American College of Cardiology, 1997

Objectives. With this study, we sought to examine the heterogeneity of cardiac allograft vasculop... more Objectives. With this study, we sought to examine the heterogeneity of cardiac allograft vasculopathy in vivo using coronary angioscopy as an adjunct to intravascular ultrasound, and we evaluated the clinical relations of immunologic and nonimmunologic risk factors with the different forms of cardiac allograft vasculopathy detected angioscopically. Background. Intravascular ultrasound detects vascular intimal proliferation accurately but is limited in its ability to delineate morphologic characteristics. Coronary angioscopy can evaluate intimal surface morphology by direct visualization and can differentiate pathologically distinct forms of plaque topography on the basis of color and contour. Methods. We studied 107 consecutive heart transplant recipients with intravascular ultrasound and angioscopy at the time of their annual angiogram, and we assessed the relation of nonimmunologic and immunologic risk factors to the development of cardiac allograft vasculopathy distinguished angioscopically into a pigmented (yellow) or nonpigmented (white) intimal thickening. We further evaluated the clinical differences in cardiac events among these two forms of angioscopically heterogeneous forms of cardiac allograft vasculopathy. Results. Significant clinical predictors of nonpigmented intimal thickening were advanced donor age and lower mean cyclosporine levels, whereas hyperlipidemia, cumulative prednisone dose and time since transplantation correlated with pigmented intimal hyperplasia. In addition, comparisons between the two angioscopic groups revealed increased intimal thickening, serum cholesterol, low density lipoprotein cholesterol, acute allograft rejection and time since transplantation in the group with pigmented intimal thickening (p < 0.05). With regard to cardiac events, nonpigmented plaque was more frequently found in the sudden death group (53% vs. 20%, p ‫؍‬ 0.05), whereas the nonsudden cardiac event group had a significantly higher prevalence of pigmented plaque (80% vs. 47%, p ‫؍‬ 0.07). Conclusions. These findings indicate that cardiac allograft vasculopathy is a heterogeneous disease with varied morphologic expressions with different clinical implications. Furthermore, this investigation provides insight into the cohesive, yet diverse influences of various factors, particularly immunosuppression, in these forms of cardiac allograft vasculopathy.

The Journal of Clinical Pharmacology, 2004

G rowing evidence of the pivotal role of platelets in the pathogenesis of abrupt vessel closure a... more G rowing evidence of the pivotal role of platelets in the pathogenesis of abrupt vessel closure and acute ischemic complications after percutaneous transluminal coronary revascularization has led to the development of agents for more effective prophylaxis for these complications. The platelet glycoprotein (GP) IIb/IIIa receptor inhibitors, which block the final pathway of platelet aggregation, have occupied the central stage among such agents. The Food and Drug Adminis

JAMA, 2013

IMPORTANCE Many patients with peripheral artery disease (PAD) have walking impairment despite the... more IMPORTANCE Many patients with peripheral artery disease (PAD) have walking impairment despite therapy. Experimental studies in animals demonstrate improved perfusion in ischemic hind limb after mobilization of bone marrow progenitor cells (PCs), but whether this is effective in patients with PAD is unknown. OBJECTIVE To investigate whether therapy with granulocyte-macrophage colony-stimulating factor (GM-CSF) improves exercise capacity in patients with intermittent claudication. DESIGN, SETTING, AND PARTICIPANTS In a phase 2 double-blind, placebo-controlled study, 159 patients (median [SD] age, 64 [8] years; 87% male, 37% with diabetes) with intermittent claudication were enrolled at medical centers affiliated with Emory University in Atlanta, Georgia, between January 2010 and July 2012. INTERVENTIONS Participants were randomized (1:1) to received 4 weeks of subcutaneous injections of GM-CSF (leukine), 500 μg/day 3 times a week, or placebo. Both groups were encouraged to walk to claudication daily. MAIN OUTCOMES AND MEASURES The primary outcome was peak treadmill walking time (PWT) at 3 months. Secondary outcomes were PWT at 6 months and changes in circulating PC levels, ankle brachial index (ABI), and walking impairment questionnaire (WIQ) and 36-item Short-Form Health Survey (SF-36) scores. RESULTS Of the 159 patients randomized, 80 were assigned to the GM-CSF group. The mean (SD) PWT at 3 months increased in the GM-CSF group from 296 (151) seconds to 405 (248) seconds (mean change, 109 seconds [95% CI, 67 to 151]) and in the placebo group from 308 (161) seconds to 376 (182) seconds (change of 56 seconds [95% CI, 14 to 98]), but this difference was not significant (mean difference in change in PWT, 53 seconds [95% CI, −6 to 112], P = .08). At 3 months, compared with placebo, GM-CSF improved the physical functioning subscore of the SF-36 questionnaire by 11.4 (95% CI, 6.7 to 16.1) vs 4.8 (95% CI, −0.1 to 9.6), with a mean difference in change for GM-CSF vs placebo of 7.5 (95% CI, 1.0 to 14.0; P = .03). Similarly, the distance score of the WIQ improved by 12.5 (95% CI, 6.4 to 18.7) vs 4.8 (95% CI, −0.2 to 9.8) with GM-CSF compared with placebo (mean difference in change, 7.9 [95% CI, 0.2 to 15.7], P = .047). There were no significant differences in the ABI, WIQ distance and speed scores, claudication onset time, or mental or physical component scores of the SF-36 between the groups. CONCLUSIONS AND RELEVANCE Therapy with GM-CSF 3 times a week did not improve treadmill walking performance at the 3-month follow-up. The improvements in some secondary outcomes with GM-CSF suggest that it may warrant further study in patients with claudication.

International Journal of Mass Spectrometry, 2011

A chromatographic separation technique for 142 Nd/ 144 Nd and 143 Nd/ 144 Nd isotope ratio measur... more A chromatographic separation technique for 142 Nd/ 144 Nd and 143 Nd/ 144 Nd isotope ratio measurements is established and applied to the analyses of geological standards of basaltic compositions (BCR-2, BIR-1) using Isoprobe-T TIMS. The instrument was tested for reliability and reproducibility to measure Nd isotope composition using the synthetic standard JNdi-1. The techniques were also applied to a carbonatite lava sample, OL-6, Oldoinyo Lengai, to check the validity of method for carbonatite matrix. The isotope ratios of 143 Nd/ 144 Nd for synthetic Nd standard JNdi-1, geological standards BCR-2, BIR-1, and carbonatite lava sample OL-6 obtained by these methods are in good agreement with previously published data. The 143 Nd/ 144 Nd values for JNdi-1 and BCR-2 have an external precision of ±13 ppm and ±15 ppm (2), respectively. The JNdi-1 and BCR-2 data for 142 Nd/ 144 Nd has an external precision of ±12 ppm and ±8 ppm (2), respectively. The 142 Nd/ 144 Nd composition of the two geological standards BCR-2 and BIR-1 are indistinguishable from synthetic mono-element standard JNdi-1, and they all fall within the 12 ppm (2) envelope of external precision. The external reproducibility is sufficient to distinguish and resolve 20 ppm anomalies in 142 Nd/ 144 Nd values.