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- [31] Experimental study on an oil-absorbing resin used for lost circulation control during drillingJOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2022, 214Bai, Yingrui论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaDai, Liyao论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaSun, Jinsheng论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China CNPC Engn Technol R&D Co Ltd, Beijing 102206, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaLv, Kaihe论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaZhang, Qitao论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaShang, Xiaosen论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaZhu, Yuecheng论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R ChinaLiu, Chengtong论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China
- [32] Experimental study on an oil-absorbing resin used for lost circulation control during drillingJournal of Petroleum Science and Engineering, 2022, 214Bai, Yingrui论文数: 0 引用数: 0 h-index: 0机构: Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, China School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaDai, Liyao论文数: 0 引用数: 0 h-index: 0机构: School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaSun, Jinsheng论文数: 0 引用数: 0 h-index: 0机构: Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, China School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China CNPC Engineering Technology R&D Company Limited, Beijing,102206, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaLv, Kaihe论文数: 0 引用数: 0 h-index: 0机构: Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, China School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaZhang, Qitao论文数: 0 引用数: 0 h-index: 0机构: School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaShang, Xiaosen论文数: 0 引用数: 0 h-index: 0机构: Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, China School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaZhu, Yuecheng论文数: 0 引用数: 0 h-index: 0机构: School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, ChinaLiu, Chengtong论文数: 0 引用数: 0 h-index: 0机构: School of Petroleum Engineering, China University of Petroleum (East China), Qingdao,266580, China Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao,266580, China
- [33] Modified SiO2 microspheres/polyacrylate resin composites for the enhancement of oil-absorbing performanceCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2023, 671Han, Yu论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaWang, Qibiao论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaZhang, Songpeng论文数: 0 引用数: 0 h-index: 0机构: Inner Mongolia ZhongAn Engn Technol Res Co Ltd, Hohhot 010000, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaZhang, Yi论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaChen, Xiaohu论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaTang, Xiaxia论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaXu, Ze论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaYu, Xianglin论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R ChinaLi, Junbo论文数: 0 引用数: 0 h-index: 0机构: Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R China Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Green Chem Proc Minist Educ, Minist Educ, Wuhan 430074, Peoples R China
- [34] Finite Element Structural Analysis and Optimization of Sustainable Oil-Absorbing Concrete Slope Retaining WallSUSTAINABILITY, 2024, 16 (18)Li, Tong论文数: 0 引用数: 0 h-index: 0机构: Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China Yanshan Univ, Key Lab Green Construct & Intelligent Maintenance, Qinhuangdao 066004, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R ChinaYang, Zeyu论文数: 0 引用数: 0 h-index: 0机构: Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China China Testing & Certificat Int Grp Co Ltd, Inspect & Certificat Inst 3, Beijing 100024, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R ChinaLiu, Xiaochen论文数: 0 引用数: 0 h-index: 0机构: China Testing & Certificat Int Grp Co Ltd, Inspect & Certificat Inst 3, Beijing 100024, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R ChinaDong, Bingqiang论文数: 0 引用数: 0 h-index: 0机构: Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R ChinaWu, Donghui论文数: 0 引用数: 0 h-index: 0机构: Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R ChinaWang, Dongli论文数: 0 引用数: 0 h-index: 0机构: Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China Yanshan Univ, Key Lab Green Construct & Intelligent Maintenance, Qinhuangdao 066004, Peoples R China Northeast Petr Univ, Coll Civil Engn & Architecture, Daqing 163318, Peoples R China
- [35] A comparative study for oil-absorbing performance of octadecyltrichlorosilane treated Calotropis gigantea fiber and kapok fiberCellulose, 2017, 24 : 989 - 1000Yian Zheng论文数: 0 引用数: 0 h-index: 0机构: Lanzhou University,Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental SciencesEnjuan Cao论文数: 0 引用数: 0 h-index: 0机构: Lanzhou University,Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental SciencesLixin Tu论文数: 0 引用数: 0 h-index: 0机构: Lanzhou University,Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental SciencesAiqin Wang论文数: 0 引用数: 0 h-index: 0机构: Lanzhou University,Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental SciencesHuimin Hu论文数: 0 引用数: 0 h-index: 0机构: Lanzhou University,Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences
- [36] A comparative study for oil-absorbing performance of octadecyltrichlorosilane treated Calotropis gigantea fiber and kapok fiberCELLULOSE, 2017, 24 (02) : 989 - 1000Zheng, Yian论文数: 0 引用数: 0 h-index: 0机构: Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R China Lanzhou Univ, Zhongwei High Tech Inst, Zhongwei 755000, Peoples R China Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R ChinaCao, Enjuan论文数: 0 引用数: 0 h-index: 0机构: Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R China Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R ChinaTu, Lixin论文数: 0 引用数: 0 h-index: 0机构: Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R China Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R ChinaWang, Aiqin论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Lanzhou Inst Chem Phys, Ctr Ecomat & Green Chem, Lanzhou 730000, Peoples R China Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R ChinaHu, Huimin论文数: 0 引用数: 0 h-index: 0机构: Shanghai Mag Tree Biotechnol Co Ltd, Shanghai 201203, Peoples R China Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Peoples R China
- [37] Performance of Oil-Absorbing organogel Polystyrene-Stearyl methacrylate as a fume suppressant of asphalt binderCONSTRUCTION AND BUILDING MATERIALS, 2023, 404Han, Meizhao论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaTan, Yiqiu论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Heilongjiang, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaLeng, Zhen论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaZou, Fuliao论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaLi, Shuai论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaLi, Jilu论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R ChinaZhang, Chao论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Heilongjiang, Peoples R China
- [38] Pseudocapacitance-Enhanced Mesoporous Carbon Produced by Stepwise Pyrolysis of Discarded Oil-Absorbing AerogelsENERGY & FUELS, 2024, 38 (17) : 16520 - 16531Ding, Shaoqiu论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaXue, Yiwen论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaHu, Hanyu论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaWang, Shurong论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
- [39] Synergetic effects of water-soluble polysaccharides for intensifying performances of oleogels fabricated by oil-absorbing cryogelsFOOD CHEMISTRY, 2022, 372Jiang, Qinbo论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaLi, Peiyuan论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaJi, Meiru论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaDu, Liyang论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaLi, Shaoyang论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaLiu, Yuanfa论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R ChinaMeng, Zong论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China
- [40] Plugging performance and mechanism of an oil-absorbing gel for lost circulation control while drilling in fractured formationsPETROLEUM SCIENCE, 2022, 19 (06) : 2941 - 2958Bai, Ying-Rui论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaDai, Li-Yao论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaSun, Jin-Sheng论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China CNPC Engn Technol R&D Co Ltd, Beijing 102206, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaJiang, Guan-Cheng论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr, Coll Petr Engn, Beijing 102249, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaLv, Kai-He论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaCheng, Rong-Chao论文数: 0 引用数: 0 h-index: 0机构: CNPC Engn Technol R&D Co Ltd, Beijing 102206, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R ChinaShang, Xiao-Sen论文数: 0 引用数: 0 h-index: 0机构: China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Shandong, Peoples R China