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Cotton germplasm improvement and progress in Pakistan

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Journal of Cotton Research 2021年第1期4卷 76-89页

作者： RAZZAQ Abdul ZAFAR muhammad Mubashar ALI arfan HAFEEZ Abdul BATOOL Wajeeha SHI Yuzhen GONG Wankui YUAN Youlu State Key Laboratory of Cotton Biology/Key Laboratory of Biological and Genetic Breeding of Cotton Ministry of Agriculture and Rural Affairs/Institute of Cotton ResearchChinese Academy of Agricultural ScienceAnyang 455000HenanChina Institute of Molecular Biology and Biotechnology The University of LahoreLahorePakistan FB Genetics Four Brothers Group LahorePakistan.

Cotton(Gossypium spp.)contributes significantly to the economy of cotton-producing *** is the fourth-largest producer of cotton after China,the USA and *** average yield of cotton is about 570.99 ***^(−2) in *** change and different biotic stresses are causing reduction in cotton *** approaches have unique advantage to tackle all these ***,how to confer permanent resistance in cotton against insects through genetic modification,is still a big challenge to *** of transgenic cotton has been proven to be *** its effectiveness depends upon several factors,including heterogeneity,seed purity,diffusion of varieties,backcrossing and ethical *** biotechnology was initiated in Pakistan in 1992–1993 with a focus on acquiring cotton leaf curl virus(CLCuV)-resistant insect-resistant,and improving fiber *** review summarizes the use of molecular markers,QTLs,GWAS,and gene cloning for cotton germplasm improvement,particularly in Pakistan.

关键词： Genetic progress Bt Cotton GWAS Cotton biology Cotton economy Molecular markers

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機械波傳播下瀝青混凝土參數響應分析

機械波傳播下瀝青混凝土參數響應分析

作者： muhammad arfan Akber 东南大学

学位级别：硕士

Asphalt pavement being a continuous flexible road surface has many advantages such as good driving comfort,low noise,high strength,small vibration and convenient maintenance due to which it have been used *** as a high grade road surface material,it have higher requirements for various road ***,timely monitoring and evaluation of asphalt concrete becomes a key *** order to measure characteristics of asphalt concrete efficiently and scientifically,this study proposes non-destructive ultrasonic *** test technology(NDT)is a technique for determining and evaluating the usage of materials without damaging the original properties of the *** this method,ultrasonic waves are excited by ultrasonic transducer,propagated through medium and received by the transducer at the other *** elastic waves include longitudinal(L)and shear(S)*** waves are called primary waves because they have highest propagation *** on acoustic information such as wave velocity,amplitude and frequency;relationships between acoustic parameters and physical parameters such as density,void ratio and dynamic modulus of asphalt concretes are developed to verify the purpose of NDT *** study is segregated into two *** first part,four different types of asphalt concretes AC-13,SMA-13,AC-20 & AM-20 were developed in laboratory,which were used subsequently for density,void ratio,dynamic modulus and ultrasonic wave *** of ultrasonic wave velocity with density,void ratio and dynamic modulus are developed,which can be used as practical references to evaluate density and degree of compaction of asphalt pavement by detection ***,dynamic moduli of asphalt concretes under high frequency are calculated using wave velocity and compared with measured dynamic moduli at frequency 10 Hz by UTM test *** this comparison,correction factors for asphalt concretes are calculated,which can be use

关键词： Asphalt concrete Non-destructive test Acoustic parameters physical parameter Numerical modeling

Effects of Al-Ti-B-RE grain refiner on microstructure and mechanical properties of Al-7.0Si-0.55Mg alloy

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Transactions of Nonferrous Metals Society of China 2014年第7期24卷 2244-2250页

作者：王雪姣徐聪 arfan muhammaD Shuji HANADA Hiroshi YAMAGATA 王文红马朝利北京航空航天大学材料科学与工程学院空天先进材料与服役教育部重点实验室北京100191 Institute for Materials Research Tohoku University Center for Advanced Die Engineering and Technology Gifu University 河北四通新型金属材料股份有限公司保定071105

To investigate the effects of Al-Ti-B-RE grain refiner on microstructure and mechanical properties of Al-7.0Si-0.55Mg （A357） alloy, some novel Al-7.0Si-0.55Mg alloys added with different amount of Al-STi-1B-RE grain refiner with different RE composition were prepared by vacuum-melting. The microstructure and fracture behavior of the AI-7.0Si-0.55Mg alloys with the grain refiners were observed by X-ray diffraction （XRD）, optical microscopy （OM）, scanning electron microscopy （SEM）, and the mechanical properties of the alloys were tested in mechanical testing machine at room temperature. The observation of AI-Ti-B-RE morphology and internal structure of the particles reveals that it exhibits a TiAl3/Ti2Al20RE core-shell structure via heterogeneous TiB2 nuclei. The tensile strength of Al-7.0Si-0.55Mg alloys with Al-5Ti-1B-3.0RE grain refiner reaches the peak value at the same addition （0.2%） of grain refiner.

关键词： A357 alloy Al-5Ti-1B grain refiner rare earth fracture refining effect tensile strength

Templates for Quantifying Clay Type and Clay Content from Magnetic Susceptibility and Standard Borehole Geophysical Measurements

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Journal of Modern Physics 2019年第7期10卷 824-834页

作者： David K. Potter arfan Ali Salem Abdalah Department of Physics University of Alberta Edmonton Canada Brunei Shell Petroleum Sendirian Berhad Brunei Darussalam Institute of Petroleum Engineering Heriot-Watt University Edinburgh UK

This paper proposes a rapid means of identifying clay type and quantifying clay content from new template crossplots that compare magnetic susceptibility measurements with standard borehole well log data. The templates are similar in format to standard industry charts, but have a number of advantages over the commonly used charts. Laboratory measurements of magnetic susceptibility on core samples and drill cuttings have recently shown strong correlations with key petrophysical parameters, particularly clay content and fluid permeability [1] [2]. A new template crossplot between magnetic susceptibility and borehole spectral gamma ray log data can firstly help to quickly identify the types of clay present in the formation. Additional new template crossplots between magnetic susceptibility and borehole bulk density data allow the mineral contents and porosities of binary mixtures of clay minerals and matrix minerals (such as illite clay + quartz) to be rapidly quantified. The templates can use ambient (room temperature) magnetic susceptibility data from measurements on core samples or drill cuttings in the laboratory or at the wellsite. Furthermore, the paper shows how the templates can potentially be extended to utilize borehole magnetic susceptibility data for in situ estimations of the type and content of clay. This requires accounting for the temperature dependence of the magnetic susceptibility of paramagnetic minerals (such as illite clay), which varies with depth in a borehole. Whilst borehole magnetic susceptibility measurements are rarely part of standard well logging operations, they could be a potentially useful tool for in situ clay type and content quantification, which in turn can help predict fluid permeability.

关键词： Magnetic Susceptibility Clay Spectral Gamma Ray Bulk Density Borehole Logs Temperature Dependence Core Drill Cuttings

Diamagnetic Behavior in Nanoparticle Hematite?

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Journal of Modern Physics 2017年第7期8卷 1013-1019页

作者： Petar A. Petrov arfan Ali David K. Potter Department of Physics University of Alberta Edmonton Canada Shell UK Limited Aberdeen UK

A paper by Mi et al. [1] suggested that certain nano-sized hematite (α-Fe2O3) particles had diamagnetic properties at room temperature. Since diamagnetic behavior is not a property normally attributed to hematite particles (hematite is generally regarded as a canted antiferromagnetic material at room temperature) we decided to test the validity of the suggestions in [1] by performing magnetic susceptibility and magnetic hysteresis measurements on a series of hematite nanoparticles with average sizes of 8 nm, 30 nm and 40 nm in diameter. We initially considered two possible explanations for the apparent diamagnetic behavior of the nanoparticles in [1]: either 1) the hematite nanoparticles themselves exhibited this unusual diamagnetic behavior, or 2) the diamagnetic response was simply the signal created by a diamagnetic dispersant that was overriding a weak positive magnetic susceptibility signal of the hematite nanoparticles. Our experiments strongly suggested the latter explanation that the apparent “diamagnetic” behavior seen in [1] was caused by a diamagnetic dispersant dominating the magnetic properties of the dispersed hematite nanoparticles.

关键词： Diamagnetic Hematite Nanoparticle Magnetic Hysteresis Magnetic Susceptibility

Alternatives Selection Using GORE Based on Fuzzy Numbers and TOPSIS

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Journal of Software Engineering and Applications 2015年第7期8卷 346-359页

作者： arfan Mansoor Detlef Streitferdt Franz-Felix FüВl Software Architectures and Product Line Group Ilmenau University of TechnologyIlmenauGermany

Context and Motivation: The notion of goal and goal models is ideal for the alternative systems. Goal models provide us different alternatives during goal oriented requirements engineering. Question/Problem: Once we find different alternatives, we need to evaluate these alternatives to select the best one. Ideas: The selection process consists of two main parts. In first part of the selection process among alternatives, we will use techniques in which we establish some evaluation criteria. The evaluation criteria are based on leaf level goals. Stakeholders are involved to contribute their opinions about the evaluation criteria. The input provided by various stakeholders is then converted into quantifiable numbers using fuzzy triangle numbers. After applying the defuzzification process on fuzzy triangle numbers we get scores (weights) for each criteria. In second part, these scores are used in the selection process to select the best alternative. Contribution: The two steps selection process helps us to select the best alternative among many alternatives. We have described the process and applied it to “cyclecomputer” selection case study.

关键词： Decision Making GORE TOPSIS Fuzzy Numbers

Dual Effects of Photo-Darkening and Photo-Bleaching in Ge-Se Films

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材料科学与工程（中英文A版） 2015年第1期5卷 78-86页

作者： Istvan Csarnovics muhamma Rizwa Latif Tyler Nichol Wan Kuang Maria Mitkova Miklos Veres Sandor Kokenyesi Department of Experimental Physics University of Debrecen Debrecen 4026 Hungary Department of Electrical and Computer Engineering Boise State University Boise ID 83725-2075 USA Institute of Solid State Physics and Optics Wigner RCP HAS Budapest 1121 Hungary Department of Electrical Engineering University ofDebrecen Debrecen 4026 Hungary.

Evaluation and comparison of CMIP6 models and MERRA-2 reanalysis AOD against Satellite observations from 2000 to 2014 over China

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Geoscience Frontiers 2022年第2期13卷 165-185页

作者： Md.arfan Ali muhammad Bilal Yu Wang Zhongfeng Qiu Janet E.Nichol Gerrit de Leeuw Song Ke Alaa M.hawish Mansour Almazroui Usman Mazhar Birhanu Asmerom Habtemicheal M.Nazrul Islam Lab of Environmental Remote Sensing(LERS) School of Marine SciencesNanjing University of Information Science and TechnologyNanjing 210044China Department of Geography School of Global StudiesUniversity of SussexBrighton BN19RHUK Royal Netherlands Meteorological Institute(KNMI) R&D Satellite Observations3730AE De BiltThe Netherlands School of Atmospheric Physics Nanjing University of Information Science and TechnologyNanjing 210044China Aerospace Information Research Institute Chinese Academy of Sciences(AirCAS)No.20 Datun RoadChaoyang DistrictBeijing 100101China School of Environment Science and Spatial Informatics University of Mining and TechnologyXuzhouJiangsu 221116China Geological Survey of Jiangsu Province Nanjing 210018China Center of Excellence for Climate Change Research/Department of Meteorology King Abdulaziz UniversityJeddah 21589Saudi Arabia Climatic Research Unit School of Environmental SciencesUniversity of East AngliaNorwichUK School of Remote Sensing and Geomatics Engineering Nanjing University of Information Science and TechnologyNanjing 210044China Department of Physics Wollo UniversityDessie P.O.Box 1145Ethiopia

Rapid industrialization and urbanization along with a growing population are contributing significantly to air pollution in *** of long-term aerosol optical depth(AOD)data from models and reanalysis,can greatly promote understanding of spatiotemporal variations in air pollution in *** do this,AOD(550 nm)values from 2000 to 2014 were obtained from the Coupled Model Intercomparison Project(CIMP6),the second version of Modern-Era Retrospective analysis for Research,and Applications(MERRA-2),and the Moderate Resolution Imaging Spectroradiometer(MODIS;flying on the Terra satellite)combined Dark Target and Deep Blue(DTB)aerosol *** used the TerraMODIS DTB AOD(hereafter MODIS DTB AOD)as a standard to evaluate CMIP6 Ensemble AOD(hereafter CMIP6 AOD)and MERRA-2 reanalysis AOD(hereafter MERRA-2 AOD).Results show better correlations and smaller errors between MERRA-2 and MODIS DTB AOD,than between CMIP6 and MODIS DTB AOD,in most regions of China,at both annual and seasonal ***,significant under-and over-estimations in the MERRA-2 and CMIP6 AOD were also observed relative to MODIS DTB *** long-term(2000-2014)MODIS DTB AOD distributions show the highest AOD over the North China Plain(0.71)followed by Central China(0.69),Yangtse River Delta(0.67),Sichuan Basin(0.64),and Pearl River Delta(0.54)*** lowest AOD values were recorded over the Tibetan Plateau(0.13±0.01)followed by Qinghai(0.19±0.03)and the Gobi Desert(0.21±0.03).Large amounts of sand and dust particles emitted from natural sources(the Taklamakan and Gobi Deserts)may result in higher AOD in spring compared to summer,autumn,and *** were also calculated for 2000-2005,for2006-2010(when China introduced strict air pollution control policies during the 11 th Five Year Plan or FYP),and for 2011-2014(during the 12 th FYP).An increasing trend in MODIS DTB AOD was observed throughout the country during *** uncontrolled industrialization,urbanization,and rapid eco

关键词： Aerosol Optical Depth Air pollution MERRA-2 MODIS Air quality

Structural phase transitions of tellurium nanoplates under pressure

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Chinese Physics B 2015年第3期24卷 280-283页

作者：李超 arfan Bukhtiar 沈希孔盼盼王伟鹏赵豪飞姚湲邹炳锁李延春李晓东刘景靳常青禹日成 Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of Sciences Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems Beijing Institute of Technology Institute of High Energy Physics Chinese Academy of Sciences

In situ high-pressure angle dispersive x-ray diffraction experiments using synchrotron radiation on Te nanoplates were carried out with a diamond anvil cell at room temperature. The results show that Te-Ⅰ with a trigonal structure transforms to triclinic Te-Ⅱ at about 4.9 GPa, Te-Ⅱ transforms to monoclinic Te-Ⅲ at about 8.0 GPa, Te-Ⅲ turns to rhombohedral Te-Ⅳ at about 23.8 GPa, and Te-Ⅳ changes to body centered cubic Te-Ⅴ at 27.6 GPa. The bulk moduli B0 of Te nanoplates are higher than those of Te bulk materials.

关键词： tellurium nanoplates phase transition high pressure