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| 1 | Application of nanotechnology for enhancing oil recovery e A review显示文摘Nanotechnology has attracted a great attention in enhancing oil recovery(EOR)due to the costeffective and environmental friendly manner.The size of nanoparticles for EOR usually is in a range of 1e100 nm,which may slightly differ from various international organisations.Nanoparticles exhibit significantly different properties compared to the same fine or bulk molecules because of much higher concentration of atoms at their surface as a result of ultra-small size.In particular,one of the most useful and fascinating properties of these particles is to creating a massive diffusion driving force due to the large surface area,especially at high temperatures.Previous studies have shown that nanoparticles can enhance oil recovery by shifting reservoir wettability towards more water-wet and reducing interfacial tension,yet this area is still open for discussion.It is worth noting that the potential of nanoparticles to reduce the oil viscosity,increase the mobility ratio,and to alter the reservoir permeability has not been investigated to date.Depending on the operational conditions of the EOR process,some nanoparticles perform more effectively than others,thus leading to different levels of enhanced recovery.In this study,we aim to provide a summary on each of the popular and available nanoparticles in the market and list their optimum operational conditions.We classified nanoparticles into the three categories of metal oxide,organic and inorganic particles in this article. | Chegenizadeh Negin Saeedi Ali Quan Xie | 2016 | Petroleum2016,2,4: | 9 |
| 2 | Most common surfactants employed in chemical enhanced oil recovery显示文摘Chemical enhanced oil recovery(EOR)and particularly surfactant injection has recently received a great deal of attention.The suggested recovery mechanisms after injecting surfactants include wettability alteration and IFT reduction.If a surfactant is properly selected according to the environmental variables-such as pressure,temperature,salinity,it can lead to more efficient enhanced recovery from an oil reservoir.On the other hand,poor selection of the surfactant can result in a low recovery and can even become detrimental to the reservoir due to undesirable wettability alteration and possible rock dissolution resulting in a chemical reaction with displacing fluid and blockage of the pore space.Also,choosing the wrong surfactant without considering the rock mineralogy may result in high adsorption on the pore surface of the rock and unnecessary waste of resources.It is also worthy to note that surfactants are some of the most expensive chemicals used during EOR.Extensive literature review suggests that anionic surfactant are the preferred surfactant category for EOR especially when it comes to sandstone reservoirs.Occasionally,in specific situations a better performance have been reported after injecting cationic,non-ionic or mixtures of both surfactants,particularly when dealing with carbonate reservoirs.This paper presents in detail a review of the most commonly applied surfactants in EOR studies and the optimum application criteria for of each type.To the best of the authors'knowledge,such detailed and comprehensive review is not available in the literature,presently. | Chegenizadeh Negin Saeedi Ali Quan Xie | 2017 | Petroleum2017,3,2: | 8 |
| 3 | 强迫症患者、强迫型人格障碍患者和健康对照者之间的认知灵活性和计划能力比较(英文)显示文摘背景:强迫症患者(Obsessive Compulsive Disorder,OCD)与强迫型人格障碍患者(Obsessive Compulsive Personality Disorder,OCPD)的认知功能还没有得到充分的研究。目标:验证OCD和OCPD患者的认知灵活性和计划能力。方法:本研究在德黑兰心理咨询门诊选定了25例OCD患者和20例OCPD患者,他们在既往两周都没有服药,并且从大学工作人员和当地社区居民中选定了25名健康对照者。对所有参与者均进行28项一般健康问卷(28-item version of the General Health Questionnaire,GHQ-28)、威斯康星卡片分类测验(Wisconsin Card Sorting Test,WCST)、和伦敦塔试验(Tower of London test,TOL))。本研究运用WCTS的两个测量指标(持续错误数和完成分类数)评估认知灵活性以及TOL的三个测量指标(12个试验总共的移动次数、总应答时和计划时间)评估计划能力。结果:2组患者的当前心理困扰程度显著高于对照组。在控制人口学因素和心理困扰水平后,OCD患者和OCPD患者在WCST测试中比对照组更容易出现持续性错误,而OCD患者(不包括OCPD患者)的完成分类数比对照组显著减少。OCD患者和OCDP患者都比对照组需要更多的移动次数来完成12项TOL任务,并且OCD患者比OCPD患者和对照组需要花更长的时间来完成任务。结论:与健康对照组相比,OCD和OCPD患者的认知灵活性和计划能力都有所受损,并且OCD和OCPD患者之间的认知功能测试也存在一些差异。我们需要对OCD和OCPD患者进行长期随访研究评估在强迫症状严重性加重与减轻时认知功能的改变,从而决定此类认知评估指标对于强迫症是否有诊断或临床关联性。 | Negin PAAST Zohreh KHOSRAVI Amir Hossein MEMARI Monir SHAYESTEHFAR Mohammad ARBABI | 2016 | 上海精神医学2016,28,1: | 7 |
| 4 | MULTI-CRITERIA UNIVERSITY SELECTION:FORMULATION AND IMPLEMENTATION USING A FUZZY AHP显示文摘Collaboration with universities as 'knowledge factories' is increasingly perceived to be an effective and viable solution for firms to gain competitive advantage.One of the main challenges firms face in this area is how to select the best university for collaboration.This selection undoubtedly affects some other strategic activities of firms,such as managing and governing the relationship with the selected university and,most importantly,firm performance.As such,the selection becomes an important strategic decision that deserves a great deal of attention.Thus far,no systematic attempt has been made to investigate this significant area of research.The main purpose of this study is to formulate a decision-making model for university selection.Reviewing existing literature of university-industry relationship yields a list of relevant criteria for this problem.The problem is then formulated as a multi-criteria decision-making(MCDM) model,and a fuz2 y AHP is used to provide the solution.To illustrate the model,three Dutch universities are ranked based on the importance of the selected criteria. | Negin Salimi Jafar Rezaei | 2015 | Journal of Systems Science and Systems Engineering2015,24,3: | 3 |
| 5 | Spectral-spatial Classification of Hyperspectral Images Using Signal Subspace Identification and Edge-preserving Filter显示文摘Hyperspectral images in remote sensing include hundreds of spectral bands that provide valuable information for accurately identify objects.In this paper,a new method of classifying hyperspectral images using spectral spatial information has been presented.Here,using the hyperspectral signal subspace identification(HYSIME)method which estimates the signal and noise correlation matrix and selects a subset of eigenvalues for the best representation of the signal subspace in order to minimize the mean square error,subsets from the main sample space have been extracted.After subspace extraction with the help of the HYSIME method,the edge-preserving filtering(EPF),and classification of the hyperspectral subspace using a support vector machine(SVM),results were then merged into the decision-making level using majority rule to create the spectral-spatial classifier.The simulation results showed that the spectral-spatial classifier presented leads to significant improvement in the accuracy and validity of the classification of Indiana,Pavia and Salinas hyperspectral images,such that it can classify these images with 98.79%,98.88% and 97.31% accuracy,respectively. | Negin Alborzi Fereshteh Poorahangaryan Homayoun Beheshti | 2020 | International Journal of Automation and computing2020,17,2: | 3 |
| 6 | Problem-based learning (PBL) and public health: an initial exploration of perceptions of PBL in Vietnam 显示文摘 | Grisham JW Martiniuk AL Negin J | 2015 | Asia Pac J Public Health2015,27,2: | 1 |
| 7 | Circulating tumor cells in colorectal cancer:past,present,and future challenges显示文摘 | Negin BP Cohen SJ | | 0,,1: | 1 |
| 8 | Measuring the size and charge of proteins using protein ladders, capillary electrophoresis and electrokinetic models of colloids 显示文摘 | Carbeck J D Negin R S | 2001 | J Am Chem Soc2001,123,: | 1 |
| 9 | Quality of care of vascular access in hemodialysis patients in a hemodialysis center in Iran显示文摘 | Mohsen Adib-Hajbaghery Narjes Molavizadeh Negin Masoodi Alavi | 2012 | Journal of Vascular Nursing2012,,: | 1 |
| 10 | Transmission laser welding of amorphous and semi-crystalline poly-ether-ether-ketone for applications in the medical device industry显示文摘 | Negin Amanat Cedric Chaminade John Grace | 2010 | Materials and Design2010,31,: | 1 |
| 11 | HIV infection in older adults in sub-Saharan Africa: extrapolating prevalence from existing data 显示文摘 | Negin J Cumming RG | 2010 | Bull World Health Organ2010,88,: | 1 |
| 12 | Circulating Tumor Cells in Colorectal Cancer: Past, Present, and Future Challenges显示文摘 | Benjamin P. Negin Steven J. Cohen | 2010 | Current Treatment Options in Oncology2010,,: | 1 |
| 13 | Influence of Substrate on the Structure andMorphological Properties of RF Sputtered ITO Thin Films for Photovoltaic Application显示文摘 | Negin Manavizadeh Farhad Akbari Boroumand Ebrahim Asl-Soleimani | 2009 | Thin Solid Films2009,,517: | 1 |
| 14 | Targeting the Cancer Initiating Cell: The Ultimate Target for Cancer Therapy显示文摘 | James A. McCubrey Linda S. Steelman Stephen L. Abrams Negin Misaghian William H. Chappell Jorg Basecke Ferdinando Nicoletti Massimo Libra Giovanni Ligresti Francac Stivala Danijela Maksimovic-Ivanic Sanja Mijatovic Giuseppeo Montalto Melchiorre Cervello P | 2012 | Current Pharmaceutical Design2012,,13: | 1 |
| 15 | HIV infection in older adults in sub - SaharanAfrica : extrapolating prevalence from existing data 显示文摘 | Negin J Cumming RG | 2010 | Bull WorldHealth Organ2010,88,11: | 1 |
| 16 | An iris biometric system for public and personal use显示文摘 | CHMIELEWSKI T A SALGANICOFF Jr M etal | 2000 | Computer2000,3,: | 1 |
| 17 | Effect of melanoma on immune function in the regional lymph node basin 显示文摘 | Negin B Panka D Wang W | 2008 | Clin Cancer Res2008,14,3: | 1 |
| 18 | Injury to peribiliary glands and vascular plexus before liver transplantation predicts formation of non-anastomotic biliary strictures显示文摘 | Sanna op den Dries Andrie C. Westerkamp Negin Karimian Annette S.H. Gouw Bote G. Bruinsma James F. Markmann Ton Lisman Heidi Yeh Korkut Uygun Paulo N. Martins Robert J. Porte | 2014 | Journal of Hepatology2014,,: | 1 |
| 19 | Comparison of intradermal injection with iontophoresis of abobotulinum toxin A for the treatment of primary axillary hyperhidrosis: A randomized, controlled trial显示文摘 | Laleh Montaser-Kouhsari Hamed Zartab Ferial Fanian Negin Noorian Bardia Sadr Mansour Nassiri-Kashani Alireza Firooz | 2013 | Journal of Dermatological Treatment2013,,4: | 1 |
| 20 | Circulating tumor cells in colorectal cancer : past, present ,and future challenges显示文摘 | Negin BP Cohen SJ | 2010 | Curr Treat Options Oncol2010,11,12: | 1 |