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Phosphorus-Mobilizing Rhizobacterial Strain Bacillus cereus GS6 Improves Symbiotic Efficiency of Soybean on an Aridisol Amended with Phosphorus-Enriched Compost

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Pedosphere 2017年第6期27卷 1049-1061页

作者： muhammad saleem ARIF muhammad RIAZ Sher muhammad shahzad Tahira YASMEEN Shafaqat ALI muhammad Javed AKHTAR Department of Environmental Sciences and Engineering Government College University Faisalabad Department of Soil&Environmental Sciences University College of AgricultureUniversity of Sargodha Institute of Soil&Environmental Science University of Agriculture Faisalabad

Legume plants are an essential component of sustainable farming ***(P) deficiency is a significant constraint for legume production, especially in nutrient-poor soils of arid and semi-arid *** the present study, we conducted a pot experiment to evaluate the effects of a phosphorus-mobilizing plant-growth promoting rhizobacterial strain Bacillus cereus GS6, either alone or combined with phosphate-enriched compost(PEC) on the symbiotic(nodulation-N_2 fixation) performance of soybean(Glycine max(L.) Merr.) on an *** PEC was produced by composting food waste with addition of single super *** bacterial strain *** GS6 showed considerable potential for P solubilization and mobilization by releasing carboxylates in insoluble P(rock phosphate)-enriched *** of *** GS6 in combination with PEC application significantly improved nodulation and nodule N_2 fixation *** to the control(without *** GS6 and PEC), the combined application of *** GS6 with PEC resulted in significantly higher accumulation of nitrogen(N), P, and potassium(K) in grain, shoot, and *** N:P and P:K ratios in nodules were significantly altered by the application of PEC and *** GS6, which reflected the important roles of P and K in symbiotic performance of *** combined application of PEC and *** GS6 also significantly increased the soil dehydrogenase and phosphomonoesterase activities, as well as the soil available N, P, and K *** positive relationships were found between soil organic carbon(C) content, dehydrogenase and phosphomonoesterase activities, and available N, P, and K *** study suggests that inoculation of P-mobilizing rhizobacteria, such as *** GS6, in combination with PEC application might enhance legume productivity by improving nodulation and nodule N_2 fixation efficiency.

关键词： arid and semi-arid regions carboxylate N2 fixation nodulation nutrient availability nutrient-poor soils plant growth-promoting rhizobacteria (PGPR) soil enzymes

Conversion of adverse data corpus to shrewd output using sampling metrics

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Visual Computing for Industry,Biomedicine,and Art 2020年第1期3卷 202-214页

作者： shahzad Ashraf Sehrish saleem Tauqeer Ahmed Zeeshan Aslam Durr muhammad College of Internet of Things Engineering Hohai UniversityChangzhouJiangsu 210032China muhammad Nawaz Sharif University of Engineering&Technology Multan 66000Pakistan Petroweld Kurdistan Region Erbil 42002Iraq Pakistan Steel Mills Karachi Karachi 75200Pakistan

An imbalanced dataset is commonly found in at least one class,which are typically exceeded by the other ones.A machine learning algorithm(classifier)trained with an imbalanced dataset predicts the majority class(frequently occurring)more than the other minority classes(rarely occurring).Training with an imbalanced dataset poses challenges for classifiers;however,applying suitable techniques for reducing class imbalance issues can enhance classifiers’*** this study,we consider an imbalanced dataset from an educational ***,we examine all shortcomings regarding the classification of an imbalanced ***,we apply data-level algorithms for class balancing and compare the performance of *** performance of the classifiers is measured using the underlying information in their confusion matrices,such as accuracy,precision,recall,and F *** results show that classification with an imbalanced dataset may produce high accuracy but low precision and recall for the minority *** analysis confirms that undersampling and oversampling are effective for balancing datasets,but the latter dominates.

关键词： Classification Machine learning Spread subsampling Class imbalance

Morpho-anatomical adaptations of dominantly grown wild Datura inoxia to wastewater resource:Productivity and ecological issues

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Geoscience Frontiers 2024年第3期15卷 248-258页

作者： Taimoor Hassan Farooq Shagufta Jabeen Awais Shakoor muhammad saleem Arif Nadia Siddique Khuram shahzad muhammad Umair Riaz Yong Li Bangor College China a Joint Unit of Bangor University and Central South University of Forestry and TechnologyChangsha 410004HunanChina Department of Botany The Islamia University of BahawalpurBahawalpur 63100Pakistan Hawkesbury Institute for the Environment Western Sydney UniversityPenrithNSW 2751Australia Department of Environmental Sciences Government College University FaisalabadFaisalabad 38000Pakistan Department of Forestry Rangeand Wildlife ManagementThe Islamia University of BahawalpurBahawalpur 63100Pakistan Institute of Geographic Sciences and Natural Resources Research Chinese Academy of SciencesBeijing 100101China National Engineering Laboratory for Applied Technology of Forestry and Ecology in South China Central South University of Forestry and TechnologyChangsha 410004HunanChina

With the increasing global water scarcity,wastewater irrigation has become widespread,but it can have detrimental ecological *** wastewater contains valuable nutrients for plants,improper treatment or the use of untreated wastewater in irrigation can negatively impact soil fertility and plant *** study is divided into two parts:firstly,a phytosociological survey was conducted to identify plant species with the highest importance value index(IVI)in the vicinity of wastewaterirrigated ***,a comparative morpho-anatomical analysis was carried out to investigate the morpho-anatomical adaptations of the species with the highest IVI under wastewater irrigation compared to normal water *** results of the phytosociological survey revealed the presence of 51 plant species in the vicinity of the wastewater-irrigated areas,with varying relative densities and *** inoxia exhibited the highest IVI(28.79),followed by Xanthium strumarium(24.34),while Lippia nodiflora showed the lowest IVI(1.86).The morphological growth of *** was superior under normal water irrigation,but the average root length was greater under wastewater *** cell anatomy,cell thickness and cell area characteristics in the dermal,ground,and vascular tissues of the stem and root tended to be greater under wastewater ***,the opposite trend was observed in leaf anatomical analysis,possibly due to the combined effect of wastewater and climatic *** and root xylem thickness were greater under wastewater irrigation,whereas phloem thickness was higher under normal water *** number of vascular bundles in the stem,root,and leaf was higher under wastewater treatment compared to normal water irrigation,but their arrangement was circular in the latter and scattered under wastewater *** inoxia demonstrated strong adaptive potential under wastewater irrigation,as indicated by its highest relative d

关键词： Water pollution Phytosociology Structural growth Phytoremediation Agricultural irrigation Ecological concerns

Origin of Ferromagnetism in Al and Ni Co-doped ZnO Based DMS Materials

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Chinese Physics Letters 2012年第10期29卷 155-157页

作者： Murtaza saleem Saadat A.Siddiqi Shahid M.Ramay Shahid Atiq shahzad Naseem Centre for Solid State Physics University of the PunjabQuaid-e-Azam CampusLahore 54590Pakistan 2Interdisciplinary Research Centre in Biomedical MaterialsCOMSATS Institute of Information TechnologyDefence RoadOff Raiwind RoadLahorePakistan 3Department of Chemical EngineeringCollege of EngineeringKing Saud UniversityP.O.Box 800Riyadh 11421Saudi Arabia

Zn0.95Ni0.05O and Zn0.90Ni0.05Al0.05O compositions of nanocrystallites are synthesised using the well recognised auto-combustion *** x-ray diffraction patterns demonstrate the phase pure characteristic wurtzite-type crystal structure with space group P63mc in both the *** elemental incorporation of Ni and Al contents into the ZnO structure is confirmed by energy dispersive x-ray *** micrographs of scanning electron microscopy show an approximate ordered *** electrical resistivity is observed to decrease with the rising temperature,depicting the characteristic semiconductor behaviour of the *** lower values of resistivity and ferromagnetic interactions in the Al-doped sample correspond to an increase of carrier's *** is observed that the carrier mediated mechanism is mainly responsible for ferromagnetism in ZnO-based diluted magnetic semiconductors.

关键词： resistivity diluted Origin

Effect of radiation on compressibility of hot dense sodium and iron plasma using improved screened hydrogenic model with𝑙splitting

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Chinese Physics B 2021年第3期30卷 225-236页

作者： Amjad Ali G Shabbir Naz Rukhsana Kouser Ghazala Tasneem M saleem shahzad Aman-ur-Rehman M H Nasim Department of Physics and Applied Mathematics Pakistan Institute of Engineering and Applied SciencesIslamabad 45650Pakistan Department of Nuclear Engineering Pakistan Institute of Engineering and Applied SciencesIslamabad 45650Pakistan

High pressure investigations of matter involve the study of strong shock wave dynamics within the materials which gives rise to many thermal effects leading to dissociation of molecules,ionization of atoms,and radiation emission,*** response of materials experiencing a strong shock can be determined by its shock Hugoniot calculations which are frequently applied in numerical and experimental studies in inertial confinement fusion,laboratory astrophysical plasma,*** studies involve high energy density plasmas in which the radiation plays an important role in determining the energy deposition and maximum compressibility achieved by the shock within *** this study,we present an investigation for the effect of radiation pressure on the maximum compressibility of the material using shock Hugoniot *** shock Hugoniot calculations,an equation of state(EOS)is developed in which electronic contributions for EOS calculations are taken from an improved screened hydrogenic model with−l splitting(I-SHML)[High Energy Density Physics(2018)2648]under local thermodynamic equilibrium(LTE)*** thermal ionic part calculations are adopted from the state of the art Cowan model while the cold ionic contributions are adopted from the scaled binding energy *** Shock Hugoniot calculations are carried out for sodium and iron plasmas and our calculated results show excellent agreement with published results obtained by using either sophisticated self-consistent models or the first principle study.

关键词： self-consistent-field methods thermodynamics of plasmas average atom model shock Hugoniot calculation

Ion population fraction calculations using improved screened hydrogenic model with l-splitting

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Chinese Physics B 2018年第10期27卷 424-432页

作者： Amjad Ali G Shabbir Naz Rukhsana Kouser Ghazala Tasneem M saleem shahzad Aman-ur-Rehman M H Nasim Department of Physics and Applied Mathematics Pakistan Institute of Engineeringand Applied Sciences Department of Nuclear Engineering Pakistan Institute of Engineeringand Applied Sciences

Ion population fraction（IPF） calculations are very important to understand the radiative spectrum emitted from the hot dense matter. IPF calculations require detailed knowledge of all the ions and correlation interactions between the electrons of an ion which are present in a plasma environment. The average atom models, e.g., screened hydrogenic model with l-splitting（SHML）, now have the capabilities for such calculations and are becoming more popular for in line plasma calculations. In our previous work [Ali A, Shabbir Naz G, shahzad M S, Kouser R, Rehman A and Nasim M H 2018 High Energy Density Phys. 26 48], we have improved the continuum lowering model and included the exchange and correlation effects in SHML. This study presents the calculation of IPF using classical theory of fluctuation for our improved screened hydrogenic model with l-splitting（I-SHML） under local thermodynamic equilibrium conditions for iron and aluminum plasma over a wide range of densities and temperatures. We have compared our results with other models and have found a very good agreement among them.

关键词： self-consistent average atom model average ionization state ion population

Improving Queuing System Throughput Using Distributed Mean Value Analysis to Control Network Congestion

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Communications and Network 2015年第1期7卷 21-29页

作者： Faisal shahzad muhammad Faheem Mushtaq saleem Ullah M. Abubakar Siddique shahzada Khurram Najia Saher Department of Computer Science & IT The Islamia University of Bahawalpur Bahawalpur Pakistan College of Computer Science Chongqing University Chongqing China

In this paper, we have used the distributed mean value analysis (DMVA) technique with the help of random observe property (ROP) and palm probabilities to improve the network queuing system throughput. In such networks, where finding the complete communication path from source to destination, especially when these nodes are not in the same region while sending data between two nodes. So, an algorithm is developed for single and multi-server centers which give more interesting and successful results. The network is designed by a closed queuing network model and we will use mean value analysis to determine the network throughput (b) for its different values. For certain chosen values of parameters involved in this model, we found that the maximum network throughput for β≥0.7?remains consistent in a single server case, while in multi-server case for β≥ 0.5?throughput surpass the Marko chain queuing system.

关键词： Network Congestion Throughput Queuing System Distributed Mean Value Analysis

Improving Network Efficiency by Selecting and Modifying Congestion Control Constraints

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Communications and Network 2014年第2期6卷 105-111页

作者： saleem Ullah Faisal shahzad shahzada Khurram Waheed Anwer Department of Computer Science & IT The Islamia University of Bahawalpur Bahawalpur Pakistan

Congestion in wired networks not only causes severe information loss but also degrades overall network performance. To cope with the issue of network efficiency, in this paper we have pro- posed and investigated an efficient mechanism for congestion control by the selection of appropri- ate congestion window size and proactive congestion avoidance, which improves system overall performance and efficiency. The main objective of this work is to choose the accurate size of con- gestion window based on available link bandwidth and round trip time (RTT) in cross and grid topologies, instead of choosing number of hops (Previous researches), we have achieved significant improvement in the overall performance of the network. General simulation results under distinctive congestion scenarios are presented to illuminate the distinguished performance of the proposed mechanism.

关键词： Congestion Avoidance Congestion Control Congestion Window (cwnd) Network Performance

Modeling and Analysis of SO<sub>2</sub>Emissions under Fast Fluidized Bed Conditions Using One Dimensional Model

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Advances in Chemical Engineering and Science 2014年第3期4卷 327-338页

作者： Khurram shahzad Mahmood saleem Moinuddin Ghauri Waqar Ali Khan Niaz Ahmed Akhtar Centre for Coal Technology University of the Punjab Lahore Pakistan Department of Chemical Engineering Comsats Institute of IT Lahore Pakistan Institute of Chemical Engineering & Technology University of the Punjab Lahore Pakistan NFC-IEFR Faisalabad Pakistan

Fluidized bed combustion behavior of coal and biomass is of practical interest due to its significant involvement in heating systems and power plant operations. This combustion behavior has been studied by many experimental techniques along with different kinetic models. In this study, SO2 emissions have been studied out in a pilot scale test facility of Circulating Fluidized Bed combustor (70 KW) under fast fluidized bed conditions burning coal with Pakistani wheat straw. One dimensional Mathematical model is being developed to predict the SO2 emissions under different operating conditions like bed temperature, Ca/S molar ratio, solids circulation rate, excess air ratio and secondary to primary air ratio. These parameters are varied to validate the model and encouraging correlation is found between the experimental values and model predictions.

关键词： Fast Fluidization Emissions Modelling