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Developing a K-value equation for predict dew point pressure of gas condensate reservoirs at high pressure

Petroleum 2018年第4期4卷 437-443页

作者： Seyedfoad Aghamiri mohsen tamtaji Mohammad Javad Ghafoori Chemical Engineering Department Faculty of EngineeringUniversity of IsfahanIsfahan81744Iran

This paper proposed a new empirical K-value equation is developed to calculate dew pressure for gas condensate *** equation is applicable in the wide ranges of composition,temperature,and pressure by considering the effect of composition via two equations for normal boiling point and critical temperature of the *** range of dew pressure,temperature,heptane plus mole fraction,methane mole fraction,N2 mole fraction,CO2 mole fraction,and H2S mole fraction are fallen into 2666.7e9655 Psia,40e350.87F,0.0021e0.213,0.3344e0.9668,0e0.4322,0e0.0864,and 0e0.942 *** an important point,the proposed equation has any adjustable parameters,in addition,this equation indicates that in order to predict of dew pressure of gas condensate reservoirs,trial and error was not needed and therefore,computational speed increases beyond the ***,the accuracy is validated by comparing against the experimental data of 81 gas condensate reservoirs samples from published literature and the results of Wilson,Whitson,and Ghafoori *** to the experimental data,the absolute average deviations of dew pressure calculations for the proposed equation,Wilson,Whitson,and Ghafoori were 7.6%,97.6%,99.4%,and 94.9%respectively.

关键词： Dew point pressure Gas condensate reservoirs K-value Wilson

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Graphene foam/hydrogel scaffolds for regeneration of peripheral nerve using ADSCs in a diabetic mouse model

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Nano Research 2022年第4期15卷 3434-3445页

作者： Qun Huang Yuting Cai Xinrui Yang Weimin Li Hongji Pu Zhenjing Liu Hongwei Liu mohsen tamtaji Feng Xu Liyuan Sheng Tae-Hyung Kim Shiqing Zhao Dazhi Sun Jinbao Qin Zhengtang Luo Xinwu Lu Department of Vascular Surgery Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai 200011China Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices Department of Materials Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China Vascular Center of Shanghai Jiao Tong University Shanghai 200011China Department of Chemical and Biological Engineering and William Mong Institute of Nano Science and Technologythe Hong Kong University of Science and TechnologyHong Kong 999077China Bioinspired Engineering and Biomechanics Center(BEBC) the Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'an 710049China Shenzhen Institute Peking UniversityShenzhen 518057China School of Integrative Engineering Chung-Ang UniversitySeoul 06974Republic of Korea School of Biomedical Engineering Shanghai Jiao Tong UniversityShanghai 200030China

The functional recovery of peripheral nerve injury(PNI)is unsatisfactory,whereas diabetes mellitus(DM)and its related complications further attenuate the restoration of diabetic PNI(DPNI).Adipose-derived stem cells(ADSCs)are promising candidates for treatment of DPNI due to their abundant source,excellent differentiation and paracrine *** results showed that ADSCs remarkably enhanced the proliferation and migration of Schwann cells and endothelial cells,and tube ***,ADSCs could regulate Nrf2/HO-1,NF-κB and PI3K/AKT/mTOR signaling pathways,showing multiple functions in reducing oxidative stress and inflammation,and regulating cell metabolism,growth,survival,proliferation,angiogenesis,differentiation of Schwann cell and myelin *** current study,novel graphene foam(GF)/hydrogel-based scaffold was developed to deliver ADSCs for treatment of ***/hydrogel scaffold exhibited excellent mechanical strength,suitable porous network,superior electrical conductivity,and good *** vitro results revealed that GF/hydrogel scaffold could obviously accelerate proliferation of Schwann ***,in vivo experiments demonstrated that ADSCs-loaded GF/hydrogel scaffold significantly promoted the recovery of DPNI and inhibited the atrophy of targeted muscles,thus providing a novel and attractive therapeutic approach for DPNI patients.

关键词： peripheral nerve injury(PNI) diabetes mellitus(DM) adipose-derived stem cells(ADSCs) graphene hydrogel scaffold

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