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| 1 | Experimental Investigation of Immiscible Supercritical Carbon Dioxide Foam Rheology for Improved Oil Recovery显示文摘This paper presents the rheological behaviour of supercritical CO_2(s CO_2) foam at reservoir conditions of 1 500 psi and 80 °C. Different commercial surfactants were screened and utilized in order to generate a fairly stable CO_2 foam. Mixed surfactant system was also introduced to generate strong foam. Foam rheology was studied for some specific foam qualities using a high pressure high temperature(HPHT) foam loop rheometer. A typical shear thinning behaviour of the foam was observed and a significant increase in the foam viscosity was noticed with the increase of foam quality until 85%. A desired high apparent viscosity with coarse texture was found at 85% foam quality. Foam visualization above 85% showed an unstable foam due to extremely thin lamella which collapsed and totally disappeared in the loop rheometer. Below 5_2%, a non-homogenous and unstable foam was found having low viscosity with some liquid accumulation at the bottom of the circulation loop. This research has demonstrated rheology of s CO_2 foams at different qualities at HPHT to obtain optimal foam quality region for immiscible CO_2 foam co-injection process. | Shehzad Ahmed Khaled Abdalla Elraies Jalal Foroozesh Siti Rohaida Bt Mohd Shafian Muhammad Rehan Hashmet Ivy Chai Ching Hsia Abdullah Almansour | 2017 | Journal of Earth Science2017，28，5： | 5 |
| 2 | 提升小波变换与分形结合的图像压缩算法显示文摘遥感图像在环境监测、军事侦察等多方面有着广泛应用,然而遥感图像包含信息量大,对其进行压缩来提高存储效率具有重要意义。传统分形编码由于压缩比大的特点被广泛应用到遥感图像压缩中,但是传统分形编码存在压缩时间太长的问题。提出提升小波变换与改进分形结合的压缩方法,把提升小波变换后的低频分量进行基于最小方差搜索法的分形压缩。实验结果表明,提升小波变换与改进的分形结合的压缩方法与小波变换与分形结合的压缩方法相比,在峰值信噪比保持在35 d B不变的情况下,压缩时间大约可以缩短8倍,图像压缩比也有提高。 | 马俐 赵红东 Hafiz Shehzad Ahmed 彭晓灿 韩铁成 | 2017 | 电视技术2017，41，2： | 5 |
| 3 | 超微粉碎对藕节膳食纤维理化性质的影响显示文摘目的研究超微粉碎对藕节理化性质的影响,增强其膳食纤维的生理功能,提高可溶性膳食纤维含量。方法在不同研磨条件下,采用激光粒度法测定其粒度,采用化学法测定持水性、持油性、溶胀性,酶重法测定可溶性膳食纤维含量。结果超微粉碎可显著减小物料粒径。随着粒度的减小,持油性、持水性、溶胀性及可溶性膳食纤维含量呈上升趋势。当研磨条件为研磨时间12 h、介质物料比8%、转速300 r/min时,粒度显著减小至15.3μm(P<0.05)。在此条件下,藕节膳食纤维持油性、持水性、溶胀性分别为2.23 g/g、3.62 g/g、5.97 mL/g。可溶性膳食纤维含量从3.55%显著提高至11.20%(P<0.05),比未超微粉碎提高了2.16倍。结论超微粉碎能有效降低藕节膳食纤维粒度,显著增加可溶性膳食纤维含量,并赋予其优良的理化性质,为藕节渣综合利用提供相关依据。 | 金文筠 Hussain Shehzad 严守雷 王清章 李洁 | 2015 | 食品安全质量检测学报2015，6，6： | 5 |
| 4 | Engineering Leaf-Like UiO-66-SO3H Membranes for Selective Transport of Cations显示文摘Metal–organic frameworks(MOFs)with angstrom-sized pores are promising functional nanomaterials for the fabrication of cation permselective membranes(MOF-CPMs).However,only a few research reports show successful preparation of the MOF-CPMs with good cation separation performance due to several inherent problems in MOFs,such as arduous selfassembly,poor water resistance,and tedious fabrication strategies.Besides,low cation permeation flux due to the absence of the cation permeation assisting functionalities in MOFs is another big issue,which limits their widespread use in membrane technology.Therefore,it is necessary to fabricate functional MOF-CPMs using simplistic strategies to improve cation permeation.In this context,we report a facile in situ smart growth strategy to successfully produce ultrathin(<600 nm)and leaflike UiO-66-SO3H membranes at the surface of anodic alumina oxide.The physicochemical characterizations confirm that sulfonated angstrom-sized ion transport channels exist in the as-prepared UiO-66-SO3H membranes,which accelerate the cation permeation(~3×faster than non-functionalized UiO-66 membrane)and achieve a high ion selectivity(Na^+/Mg^2+>140).The outstanding cation separation performance validates the importance of introducing sulfonic acid groups in MOF-CPMs. | Tingting Xu Muhammad Aamir Shehzad Xin Wang Bin Wu Liang Ge Tongwen Xu | 2020 | Nano-Micro Letters2020，12，4： | 3 |
| 5 | Forest Cover Change Assessment in Conflict-affected Areas of Northwest Pakistan: the Case of Swat and Shangla Districts显示文摘This study examines the spatial and temporal forest cover changes in Swat and Shangla districts to understand the deforestation pattern in context of the recent security conflict in these districts. We used multi-resolution satellite images to assess the long term deforestation from 2001 to 2009 and also to identify episodic forest cutting areas appeared during the conflict period of Oct. 2007 - Oct. 2008. There are only 58 ha of deforestation identified during the conflict period while 1268 ha of gross annual deforestation were assessed during last eight years. Most of the deforestation patches persist around the administrative boundaries at sub-district levels (tehsils) which can be attributed to ambiguity in unclear jurisdiction between the forest official. The results highlight that the forest cutting appeared in Swat and Shangla during the conflict period is not as significant when compared with the long term deforestation pattern in the area. On the one side the results of the study are supportive to the picture that emerges from international studies which report high rate of deforestation in the country and on the other side it negates any relation between the security situation and the increasing deforestation in the north western Pakistan. The study concludes that deforestation assessments require verification by independent sources of data, such as satellite imagery to improve our understanding of deforestation processes. | Faisal Mueen QAMER Sawaid ABBAS Rashid SALEEM Khurram SHEHZAD Hassan ALI Hammad GILANI | 2012 | Journal of Mountain Science2012，9，3： | 3 |
| 6 | Trials of testosterone replacement reporting cardiovascular adverse events显示文摘写的睾丸激素药方的数字增加了好几倍世界范围,但是病理学的性腺机能减退的发生由于 hypothalamic,垂体,和阴囊的疾病仍然保持未改变。大多数这些药方正在被分配到中年并且在浆液睾丸激素层次经历了年龄相关的衰落的老人;在哪个睾丸激素代替受益的人口的一个子集最多是,谦虚。最近,一些使随机化的控制试用在人报导了增加的心血管的事件(主要有流行心血管的疾病的老人和那些) 与睾丸激素使用,和一些,最近的元分析证实了这些调查结果。在这评论,我们讨论报导了更高心血管的事件,没报导增加的心血管的事件的相关试用和集中了于心血管的风险的大试用的睾丸激素治疗的试用(主要动脉粥样硬化前进) 作为他们的主要结果。我们也从在各种各样的睾丸激素试用评估了心血管的事件的元分析考察调查结果。最后,我们讨论睾丸激素使用可能由导致增加的心血管的风险的一些潜在的机制。因为任何一个进行到日期的试用都不是足够地动力的评估心血管的事件,没有坚挺的结论在这时候能关于睾丸激素治疗的心血管的安全被得出。在过渡期间,我们希望这评论将帮助专业人员关于他们的病人的照顾使决定明智。 | Thiago Gagliano-Juca Shehzad Basaria | 2018 | Asian Journal of Andrology2018，20，2： | 3 |
| 7 | Is Pulse Pressure Useful in Predicting Risk for Coronary Heart Disease? The Framingham Heart Study显示文摘 | Stanley S. Franklin Shehzad A. Khan Nathan D. Wong Martin G. Larson Daniel Levy | 1999 | Circulation1999，，4： | 3 |
| 8 | Deforestation Trends and Spatial Modelling of its Drivers in the Dry Temperate Forests of Northern Pakistan–A Case Study of Chitral显示文摘Deforestation is a major environmental challenge in the mountain areas of Pakistan. The study assessed trends in the forest cover in Chitral tehsil over the last two decades using supervised land cover classification of Landsat TM satellite images from 1992, 2000, and 2009, with a maximum likelihood algorithm. In 2009, the forest cover was 10.3% of the land area of Chitral(60,000 ha). The deforestation rate increased from 0.14% per annum in 1992–2000 to 0.54% per annum in 2000–2009, with 3,759 ha forest lost over the 17 years. The spatial drivers of deforestation were investigated using a cellular automaton modelling technique to project future forest conditions. Accessibility(elevation, slope), population density, distance to settlements, and distance to administrative boundary were strongly associated with neighbourhood deforestation. A model projection showed a further loss of 23% of existing forest in Chitral tehsil by 2030, and degradation of 8%, if deforestation continues at the present rate. Arandu Union Council, with 2212 households, will lose 85% of its forest. Local communities have limited income resources and high poverty and are heavily dependent on non-timber forest products for their livelihoods. Continued deforestation will further worsen their livelihood conditions, thus improved conservation efforts are essential. | Khuram Shehzad Faisal M.Qamer MSR Murthy Sawaid Abbas Laxmi D.Bhatta | 2014 | Journal of Mountain Science2014，11，5： | 3 |
| 9 | Slip flow of Maxwell viscoelasticity-based micropolar nanoparticles with porous medium: a numerical study显示文摘This article presents the mass and heat transport aspects in viscoelastic nanofluid flows under the presence of velocity slip conditions. To explore the nonNewtonian behavior, a Maxwell viscoelasticity-based micropolar is considered. Moreover, a porous medium saturates the stretching sheet. A set of similarity variables is introduced to derive the dimensionless ordinary differential equations of velocity, concentration, and temperature profiles. The numerical solution is computed by using the MATLAB bvp4c package. The salient flow features of velocity, concentration, and temperature profiles are described and discussed through various graphs. It is observed that with an increase in the slip parameter, the micro-rotation velocity also increases. The temperature of nanoparticles gets maximum values by varying the viscoelastic parameter and the porosity parameter while an opposite trend is noted for the micro-rotation parameter. The local Nusselt number and the local Sherwood number increase by increasing the viscoelastic parameter, the porosity parameter, and the slip velocity parameter. The graphical computation is performed for a specified range of parameters, such as 0 ≤ M ≤ 2.5, 0 ≤σm ≤ 2.5, 0 ≤ K1 ≤ 1.5, 0.5 ≤ Pr ≤ 3.0, 0 ≤σ≤ 1.5, 0.5 ≤ Sc ≤ 2.0, 0.2 ≤ Nb ≤ 0.8, and 0.2 ≤ Nt ≤ 0.8. | H. WAQAS M. IMRAN S. U. KHAN S. A. SHEHZAD M. A. MERAJ | 2019 | Applied Mathematics and Mechanics(English Edition)2019，40，9： | 3 |
| 10 | Hydromagnetic peristaltic transport of copper-water nanofluid with temperature-dependent effective viscosity显示文摘 | Fahad M. Abbasi Tasawar Hayat Sabir A. Shehzad Fuad Alsaadi Naif Altoaibi | 2016 | Particuology2016，14，4： | 2 |
| 11 | 1%吡美莫司乳膏联合多磺粘多糖乳膏治疗面部糖皮质激素依赖性皮炎疗效观察显示文摘目的:观察外用吡美莫司乳膏联合多磺粘多糖乳膏治疗面部糖皮质激素依赖性皮炎的有效性和安全性。方法:选取2016年1月-2020年1月笔者科室就诊的面部糖皮质激素依赖性皮炎患者,随机分为联合组及对照组,联合组:患者外用1%吡美莫司乳膏与多磺粘多糖乳膏;对照组:患者单用1%吡美莫司乳膏,共4周。比较两组患者的疗效、不良反应及复发情况等。结果:完成4周治疗后,联合组多项客观症状及自觉症状评分好转程度均优于对照组,且差异有统计学意义(P<0.05),两组患者的复发率比较无统计学差异(P>0.05)。结论:1%吡美莫司乳膏联合多磺粘多糖乳膏治疗面部糖皮质激素依赖性皮炎安全、有效。 | 童海涛 吴桥芳 Shehzad Gopee 阚敬保 尹智 | 2020 | 中国美容医学2020，29，12： | 2 |
| 12 | Three-dimensional stretched flow of Jeffrey fluid with variable thermal conductivity and thermal radiation显示文摘This article addresses the three-dimensional stretched flow of the Jeffrey fluid with thermal radiation. The thermal conductivity of the fluid varies linearly with respect to temperature. Computations are performed for the velocity and temperature fields. Graphs for the velocity and temperature are plotted to examine the behaviors with different parameters. Numerical values of the local Nusselt number are presented and discussed. The present results are compared with the existing limiting solutions, showing good agreement with each other. | T. HAYAT S. A. SHEHZAD A. ALSAEDI | 2013 | Applied Mathematics and Mechanics(English Edition)2013，34，7： | 2 |
| 13 | Bio-inspired flexible vibration visualization sensor based on piezo-electrochromic effect显示文摘Monitoring structural vibration can provide quantitative information for both structural health evaluations and early-warning maintenance.The most classic vibration-based structural health monitoring is equipped with piezoelectric accelerometers,which is expensive and inconvenient due to cumbersome and time-consuming sensor installation and high power-consumptive data acquisition systems.One other main challenge with these systems is the inherent limitations for multi-point monitoring in critical elements with curvature due to their non-conformability.Here,inspired by the chameleon,we report a cost-effective,flexible and conformal,self-powered vibration sensor based on elasto-electro-chemical synergistic effect of piezoelectricity and electrochromism.The sensor can provide not only in-situ visualization,but also ex-situ recording of structural vibration due to the non-volatile color memory effect of electrochromism.The passive sensor system is composed of two distinct electronic components d ternary Pb(In1/2Nb1/2)O_(3)ePb(Mg1/3Nb2/3)O_(3)ePbTiO_(3)piezoelectric single crystal ribbon sensors and a solid-state tungsten trioxide electrochromic indicator driven by vibration-induced voltage generated by the piezoelectric ribbons.The proposed piezo-electrochromic based passive non-volatile visualization sensor may find diverse applications in structural health monitoring,smart wallpapers,and medical injury rehabilitation. | Xuan Chen Laihui Luo Zhou Zeng Jie Jiao Mudassar Shehzad Guoliang Yuan Haosu Luo Yaojin Wang | 2020 | Journal of Materiomics2020，6，4： | 2 |
| 14 | Adiponectin: regulation of its production and its role in human diseases 显示文摘 | Shehzad A Iqbal W Shehzad O | 2012 | Hormones (Athens)2012，11，： | 1 |
| 15 | Interaction between geogrid reinforcement and tire chip–sand lightweight backfill显示文摘 | T. Tanchaisawat D.T. Bergado P. Voottipruex K. Shehzad | 2009 | Geotextiles and Geomembranes2009，，1： | 1 |
| 16 | Current status of minimal access surgery for gastric cancer 显示文摘 | Shehzad K Mohiuddin K Nizami S | 2007 | Surg Oneol2007，16，2： | 1 |
| 17 | Production of bacterial cellulose by a static cultivation using the waste from beer culture broth显示文摘 | HA JH SHEHZAD O KHAN S | 2008 | Kor J Chem Eng2008，25，4： | 1 |
| 18 | Is pulse pressure useful in predicting risk for coronary heart disease? The Framingham heart study 显示文摘 | Stanley SF Shehzad AK Nathan DW | 1999 | Circulation1999，100，4： | 1 |
| 19 | Steady flow of Maxwell fluid with convective boundary conditions 显示文摘 | Hayat T Shehzad S A Qasim M Obaidat S | 2011 | Z Naturforsch A2011，66，： | 1 |
| 20 | Nd:YAG laser treatment for Valsalva premacular hemorrhages:6 month follow up:altemative management options for preretinal premacular hemorrhages in Valsalva retinopathy显示文摘 | Khan MT Saeed MU Shehzad MS | 2008 | lnt Ophthalmol2008，28，： | 1 |
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