Submissions from 2022
Recent advances in carbon dioxide geological storage, experimental procedures, influencing parameters, and future outlook, Muhammad Ali, Nilesh Kumar Jha, Nilanjan Pal, Alireza Keshavarz, Hussein Hoteit, and Mohammad Sarmadivaleh
Assessment of wettability and rock-fluid interfacial tension of caprock: Implications for hydrogen and carbon dioxide geo-storage, Muhammad Ali, Bin Pan, Nurudeen Yekeen, Sarmad Al-Anssari, Amer Al-Anazi, Alireza Keshavarz, Stefan Iglauer, and Hussein Hoteit
Experimental evaluation of liquid nitrogen fracturing on the development of tight gas carbonate rocks in the Lower Indus Basin, Pakistan, Muhammad Ali, Abdul Majeed Shar, Aftab Ahmed Mahesar, Ahmed Al-Yaseri, Nurudeen Yekeen, Khalil Rehman Memon, Alireza Keshavarz, and Hussein Hoteit
Effects of various solvents on adsorption of organics for porous and nonporous quartz CO2 brine systems: Implications for CO2 geo-storage, Muhammad Ali, Nurudeen Yekeen, Mujahid Ali, Mirhasan Hosseini, Nilanjan Pal, Alireza Keshavarz, Stefan Iglauer, and Hussein Hoteit
Influence of organic molecules on wetting characteristics of mica/H2/brine systems: Implications for hydrogen structural trapping capacities, Muhammad Ali, Nurudeen Yekeen, Nilanjan Pal, Alireza Keshavarz, Stefan Iglauer, and Hussein Hoteit
Effect of water-soluble organic acids on wettability of sandstone formations using streaming zeta potential and NMR techniques: Implications for CO2 geo-sequestration, Mujahid Ali, Ahmed Al-Yaseri, Faisal Ur Rahman Awan, Muhammad Arif, Alireza Keshavarz, and Stefan Iglauer
Machining of carbon steel under aqueous environment: Investigations into some performance measures, Mushtaq Ali, Tahir Abdul Hussain Ratlamwala, Ghulam Hussain, Tauheed Shehbaz, Riaz Muhammad, Muhammad Aamir, Khaled Giasin, and Danil Yurievich Pimenov
The stability of berm breakwaters, state of art and sensitivity analysis, Mohammed Al-Ogaili, Amir Etemad-Shahidi, Nick Cartwright, and Sigurdur Sigurdarson
Deep learning for robust adaptive inverse control of nonlinear dynamic systems: Improved settling time with an autoencoder, Nuha A. S. Alwan and Zahir M. Hussain
Effects of cleaning process using toluene and acetone on water-wet-quartz/CO2 and oil-wet-quartz/CO2 wettability, Ahmed Al-Yaseri, Ghazanfer Raza Abbasi, Nurudeen Yekeen, Faaiz Al-Shajalee, Ausama Giwelli, and Quan Xie
Effect of organic acids on CO2-rock and water-rock interfacial tension: Implications for CO2 geo-storage, Ahmed Al-Yaseri, Nurudeen Yekeen, Muhammad Ali, Nilanjan Pal, Amit Verma, Hesham Abdulelah, Hussein Hoteit, and Mohammad Sarmadivaleh
Rock-wettability impact on CO2-carbonate rock interaction and the attendant effects on CO2 storage in carbonate reservoirs, Ahmed Al-Yaseri, Nurudeen Yekeen, Hani Salman Al-Mukainah, Abhijit Kakati, Dheiaa Alfarge, and Matt Myers
Novel nanocomposite coated proppants for enhanced scale inhibition lifetime in tight shale formations, Ali Aref Ali Alzanam, Ali S. Muhsan, Hesham Abdulelah, Diab Mohamed, and Stefan Iglauer
Experimental study of electrical heating to enhance oil production from oil-wet carbonate reservoirs, Farida Amrouche, Donglai Xu, Michael Short, Stefan Iglauer, Jan Vinogradov, and Martin J. Blunt
Consensus Head Acceleration Measurement Practices (CHAMP): Origins, methods, transparency and disclosure, Kristy B. Arbogast, Jaclyn B. Caccese, Thomas A. Buckley, Andrew S. McIntosh, Kyvory Henderson, Brian D. Stemper, Gary Solomon, Steven P. Broglio, James R. Funk, and Jeff R. Crandall
Hydrogen storage potential of coals as a function of pressure, temperature, and rank, Muhammad Arif, Hussein Rasool Abid, Alireza Keshavarz, Franca Jones, and Stefan Iglauer
Shale wettability and influencing factors: A statistical investigation, Muhammad Arif, Wolfgang Wülling, Ahmed Sami Adila, Arshad Raza, Mohamed Mahmoud, and Stefan Iglauer
FedDP: A privacy-protecting theft detection scheme in smart grids using federated learning, Muhammad Mansoor Ashraf, Muhammad Waqas, Ghulam Abbas, Thar Baker, Ziaul Haq Abbas, and Hisham Alasmary
Morphology/facet-dependent photo-Fenton-like degradation of pharmaceuticals and personal care products over hematite nanocrystals, Abdul Hannan Asif, Nasir Rafique, Rajan Arjan Kalyan Hirani, Hong Wu, Lei Shi, Shu Zhang, Shaobin Wang, Yu Yin, Martin Saunders, and Hongqi Sun
Mechanical and shrinkage performance of 3D-printed rubberised engineered cementitious composites, Farhad Aslani, Ryan Dale, Fatemeh Hamidi, and Afsaneh Valizadeh
Experimental investigation and simulation for hybrid of nanocomposite and surfactant as EOR process in carbonate oil reservoirs, Fatemeh Ozar Asl, Ghasem Zargar, Abbas Khaksar Manshad, Stefan Iglauer, and Alireza Keshavarz
Electrokinetic investigation of coal fines in fractured and porous media, Faisal Ur Rahman Awan
Influence of mineralogy and surfactant concentration on zeta potential in intact sandstone at high pressure, Faisal Ur Rahman Awan, Ahmed Al-Yaseri, Hamed Akhondzadeh, Sefan Iglauer, and Alireza Keshavarz
Coal fines migration: A holistic review of influencing factors, Faisal Ur Rahman Awan, Muhammad Arif, Stefan Iglauer, and Alireza Keshavarz
Production of nitrite-free frankfurter-type sausages by combining ε-polylysine with beetroot extracts: An assessment of microbial, physicochemical, and sensory properties, Ali Ayaseh, Kazem Alirezalu, Milad Yaghoubi, Zahra Razmjouei, Shima Jafarzadeh, Krystian Marszałek, and Amin Mousavi Khaneghah
Experimental methods to analyse crankcase aerodynamic losses and flow fields, Thomas J. Ayres
Chemical-free biologically enhanced primary treatment of raw wastewater for improved capture carbon, Muhammad Rizwan Azhar, Paul Nolan, Keith Cadee, and Mehdi Khiadani
A clean energy grid means 10,000km of new transmission lines. They can only be built with community backing, Asma Aziz and Iftekhar Ahmad
Impact of mixed pedagogy on engineering education, Asma Aziz and Shama N. Islam
Fabrication and characterization of a pH-sensitive intelligent film incorporating dragon fruit skin extract, Nurnabila Afiqah Azlim, Abdorreza Mohammadi Nafchi, Nazila Oladzadabbasabadi, Fazilah Ariffin, Pantea Ghalambor, Shima Jafarzadeh, and A. A. Al-Hassan
Biodegradability, physical, mechanical and antimicrobial attributes of starch nanocomposites containing chitosan nanoparticles, Mehran Babaee, Farhad Garavand, Abdur Rehman, Shima Jafarazadeh, Elahe Amini, and Ilaria Cacciotti
Impact of wettability alteration on CO2 residual trapping in oil-wet sandstone at reservoir conditions using nuclear magnetic resonance, Auby Baban, Alireza Keshavarz, Robert Amin, and Stefan Iglauer
LAKE-BSG: Lightweight authenticated key exchange scheme for blockchain-enabled smart grids, Akhtar Badshah, Muhammad Waqas, Ghulam Abbas, Fazal Muhammad, Ziaul Haq Abbas, S. Vimal, and Muhammad Bilal
A novel framework for smart systems using blockchain-enabled internet of things, Akhtar Badshah, Muhammad Waqas, Fazal Muhammad, Ghulam Abbas, and Ziaul Haq Abbas
Enhancing security in the internet of things ecosystem using reinforcement learning and blockchain, Akhtar Badshah, Muhammad Waqas, Shanshan Tu, and Ghulam Abbas
NEOR mechanisms and performance analysis in carbonate/sandstone rock coated microfluidic systems, Hossein Bahraminejad, Abbas Khaksar Manshad, Stefan Iglauer, and Alireza Keshavarz
Double-stream differential chaos shift keying communications exploiting chaotic shape forming filter and sequence mapping, Chao Bai, Xiao-Hui Zhao, Hai-Peng Ren, Géza Kolumbán, and Celso Grebogi
Blockchain enable IoT using deep reinforcement learning: A novel architecture to ensure security of data sharing and storage, Xuetao Bai, Shanshan Tu, Muhammad Waqas, Aiming Wu, Yihe Zhang, and Yongjie Yang
Deep reinforcement learning based intrusion detection system with feature selections method and optimal hyper-parameter in IoT environment, Said Bakhshad, Vasaki Ponnusamy, Robithoh Annur, Muhammad Waqas, Hisham Alasmary, and Shanshan Tux
System archetypes underlying formal-informal urban water supply dynamics, Rakhshinda Bano, Mehdi Khiadani, and Yong Saebastian Nyam
Thermoeconomic analysis and multi-objective optimization of a novel trigeneration system consisting of kalina and humidificationdehumidification desalination cycles, Pooria Behnam, Meysam Faegh, Iman Fakhari, Pouria Ahmadi, Ehsan Faegh, and Marc A. Rosen
A review on state-of-the-art applications of data-driven methods in desalination systems, Pooria Behnam, Meysam Faegh, and Mehdi Khiadani
Development of machine learning and stepwise mechanistic models for performance prediction of direct contact membrane distillation module - A comparative study, Pooria Behnam, Abdellah Shafieian, Masoumeh Zargar, and Mehdi Khiadani
Associations between prenatal exposure to phthalates and features of the metabolic syndrome in males from childhood into adulthood, Ye’elah E. Berman, Dorota A. Doherty, Trevor A. Mori, Lawrence J. Beilin, Oyekoya T. Ayonrinde, Leon A. Adams, Rae-Chi Huang, John K. Olynyk, Jeffrey A. Keelan, John P. Newnham, and Roger J. Hart
Dynamic response of underreamed batter piles subjected to vertical vibration, M. Bharathi, R. N. Dubey, and Sanjay K. Shukla
Numerical simulation of the dynamic response of batter piles and pile groups, M. Bharathi, R. N. Dubey, and Sanjay K. Shukla
Multiscale and multiphysics influences on fluids in unconventional reservoirs: Modeling and simulation, Jianchao Cai, David A. Wood, Hadi Hajibeygi, and Stefan Iglauer
Design and performance analysis of a robust multi-carrier M-ary DCSK system: A noise suppression perspective, Xiangming Cai, Weikai Xu, Lin Wang, and Geza Kolumbán
Influence of the preparation of the cylindrical specimen surface and approach analysis on the test value of compressive strength, Nara Cangussu, Isabela Costa, Álvaro Carvalho Júnior, Marise F. Silveira, Farhad Aslani, and Lino Maia
Responses of calcareous sand foundations to variations of groundwater table and applied loads, Dingfeng Cao, Sanjay Kumar Shukla, Linqing Yang, Chengchao Guo, Jinghong Wu, and Fuming Wang
Metals in e-waste: Occurrence, fate, impacts and remediation technologies, S. C. Chakraborty, M. Qamruzzaman, M. W. U. Zaman, Md Masruck Alam, Md Delowar Hossain, B. K. Pramanik, L. N. Nguyen, L. D. Nghiem, M. F. Ahmed, J. L. Zhou, Md Ibrahim H. Mondal, M. A. Hossain, M. A. H. Johir, M. B. Ahmed, J. A. Sithi, Masoumeh Zargar, and Mohammad Ali Moni
A New Method for Evaluating the Bond Strength of Plasma-Sprayed NiCrBSi Coatings, Liang Yu Chen, Yi Tong Liu, Hao Nan Xuan, Cui Hua Zhao, Maksym Bobrov, Qian Hao Zang, Jin Hua Peng, Sheng Lu, and Lai Chang Zhang
Corrosion of titanium alloys and composites in aqueous solutions, Liang Yu Chen and Lai Chang Zhang
Nitrogen defects/boron dopants engineered tubular carbon nitride for efficient tetracycline hydrochloride photodegradation and hydrogen evolution, Lin Chen, Yixuan Wang, Shuai Cheng, Xiaoli Zhao, Jinqiang Zhang, Zhimin Ao, Chaocheng Zhao, Bin Li, Shuaijun Wang, Shaobin Wang, and Hongqi Sun
SCCA: A slicing-and coding-based consensus algorithm for optimizing storage in blockchain-based IoT data sharing, Pengge Chen, Fenhua Bai, Tao Shen, Bei Gong, Lei Zhang, Lin Huang, Zhengyuan An, Talha Mir, Shanshan Tu, and Muhammad Waqas
Insight into fast catalytic degradation of neutral reactive red 195 solution by FePC glassy alloy: Fe release and .OH generation, Qi Chen, Zhigang Qi, Yu Feng, Hanze Liu, Zhaoxuan Wang, Laichang Zhang, and Weimin Wang
Nanostructured metallic glass contributing to efficient catalytic degradation of dye wastewater, Qi Chen, Zhigang Qi, Yu Feng, Hanze Liu, Zhaoxuan Wang, Laichang Zhang, and Weimin Wang
Oxygen transfer characteristics of swirl and non-swirl plunging jets, Kudzai Chipongo and Mehdi Khiadani
Spectrophotometric methods for measurement of antioxidant activity in food and pharmaceuticals, Marios C. Christodoulou, Jose C. Orellana Palacios, Golnaz Hesami, Shima Jafarzadeh, José M. Lorenzo, Rubén Domínguez, Andres Moreno, and Milad Hadidi
Metastable pitting corrosion behavior of laser powder bed fusion produced Ti-6Al-4V in Hank’s solution, Yu-Wei Cui, Liang-Yu Chen, Peng Qin, Ruifeng Li, Qianhao Zang, Jinhua Peng, Lina Zhang, Sheng Lu, Liqiang Wang, and Lai-Chang Zhang
High-content continuous carbon fibers reinforced PEEK matrix composite with ultra-high mechanical and wear performance at elevated temperature, Jun-Nan Dai, Shu-Qing Kou, Hong-Yu Yang, Zheng-Bo Xu, Shi-Li Shu, Feng Qiu, Qi-Chuan Jiang, and Lai-Chang Zhang
Evaluation the role of natural surfactants from Tanacetum and Tarragon plants in EOR applications, Seyed Ramin Mousavi Dashtaki, Jagar A. Ali, Barham Majeed, Abbas Khaksar Manshad, Iman Nowrouzi, Stefan Iglauer, and Alireza Keshavarz
CO2-rock interaction during CO2-enriched brine injection into storage reservoirs using NMR integrated with fiber optic sensors, Bruno da Silva Falcao
Biodiesel production from tucumã (Astrocaryum aculeatum Meyer) almond oil applying the electrolytic paste of spent batteries as a catalyst, Flávio A. de Freitas, Igor R. S. Mendonça, Silma de S. Barros, Wanison G. A. Pessoa, Ingrity S. C. Sá, Larissa B. Gato, Edson P. Silva, Marco A. S. Farias, Francisco X. Nobre, Paulo J. S. Maia, Stefan Iglauer, and Kaori K. Y. Isla
Flexural toughness and compressive stress–strain behaviour of pseudoelastic shape memory alloy fibre reinforced concrete, Ayoub Dehghani and Farhad Aslani
Pullout behaviour of shape memory alloy fibres in self-compacting concrete and its relation to fibre surface microtopography in comparison to steel fibres, Ayoub Dehghani, Farhad Aslani, and Yinong Liu
Evaluation of the mechanical properties and drilling of glass bead/fiber-reinforced polyamide 66 (PA66)-based hybrid polymer composites, Recep Demirsöz, Nafiz Yasar, Mehmet Erdi Korkmaz, Mustafa Günay, Khaled Giasin, Danil Yorievich Pimenov, Muhammad Aamir, and Huseyin Unal
Alkyl glyceryl ethers as water-based lubricant additives in mixtures with xanthan gum, Fernando H. M. de Paula, Flávio A. de Freitas, Denise G. Nunes, Stefan Iglauer, Aurora P. Gramatges, Regina S. V. Nascimento, and Elizabeth R. Lachter
Promoted Production of Phenolic Monomers from Lignin-First Depolymerization of Lignocellulose over Ru Supported on Biochar by N,P-co-Doping, Tao Ding, Yishuang Wu, Xun Zhu, Guiying Lin, Xun Hu, Hongqi Sun, Yong Huang, Shu Zhang, and Hong Zhang
Changing scenario of municipal solid waste management in Kanpur city, India, Abhishek Dixit, Deepesh Singh, and Sanjay Kumar Shukla
Load-settlement behaviour of geotextile-based geocell reinforced sand bed, Chirajyoti Doley, Utpal Kumar Das, and Sanjay Kumar Shukla
Synergistic optimization in solidification microstructure and mechanical performance of novel (TiCₓNy − TiB₂)p/Al nanocomposites: Design, tuning and mechanism, Bai Xin Dong, Qiang Li, Hong Yu Yang, Tian Shu Liu, Feng Qiu, Shi Li Shu, Qi Chuan Jiang, and Lai Chang Zhang
Digital rock-based investigation of conductivity mechanism in low-resistivity gas hydrate reservoirs: Insights from the Muli area's gas hydrates, Huaimin Dong, Jianmeng Sun, Muhammad Arif, Yihuai Zhang, Weichao Yan, Stefan Iglauer, and Naser Golsanami
Thermo-responsive hydrophilic support for polyamide thin-film composite membranes with competitive nanofiltration performance, Haniyeh Najafvand Drikvand, Mitra Golgoli, Masoumeh Zargar, Mathias Ulbricht, Siamak Nejati, and Yaghoub Mansourpanah
Wastewater treatment and simultaneous production of algal lipids in sequencing batch reactors containing a microalgal-bacterial consortium, Yuan-da Du, Meng-yu Qin, Li Shu, Yan-ling Zou, Jie Wang, Zhe Lv, Fei Xu, Qian Wang, Cong-cong Zhao, Huan-xin Zhang, and Qiang Kong
Experimental evaluation of rock mineralogy on hydrogen-wettability: Implications for hydrogen geo-storage, Hamid Esfandyari, Mohammad Sarmadivaleh, Feridun Esmaeilzadeh, Muhammad Ali, Stefan Iglauer, and Alireza Keshavarz
Effect of impurities of steel fibers extracted from shredded tires on the behavior of fiber-reinforced concrete, Mina Esmailzade, Milad Eskandarinia, and Farhad Aslani
On the mean overtopping rate of rubble mound structures, Amir Etemad-Shahidi, Ali Koosheh, and Marcel R. A. van Gent
Decentralized disturbance observer-based sliding mode load frequency control in multiarea interconnected power systems, Farhad Farivar, Octavian Bass, and Daryoush Habibi
The influence of acidizing on propped fractures for productivity enhancement: Eagle Ford laboratory study, Mohsen Farrokhrouz, Abbas Taheri, Stefan Iglauer, and Alireza Keshavarz
Laboratorial and analytical study for prediction of porosity changes in carbonaceous shale coupling reactive flow and dissolution, Mohsen Farrokhrouz, A. Taheri, Stefan Iglauer, and Alireza Keshavarz
Wettability of shale/oil/brine systems: A new physicochemical and imaging approach, Ahmed Fathy, Muhammad Arif, Clement Afagwu, MD M. Rahman, Mujahid Ali, Stefan Iglauer, Nevin Matthew, and Mohamed Mahmoud
Prussian blue-conjugated ZnO nanoparticles for near-infrared light-responsive photocatalysis, Hira Fatima, Muhammad Rizwan Azhar, Mehdi Khiadani, Yijun Zhong, Wei Wang, Chao Su, and Zongping Shao
Rational design of ZnO-zeolite imidazole hybrid nanoparticles with reduced charge recombination for enhanced photocatalysis, Hira Fatima, Muhammad Rizwan Azhar, Yijun Zhong, Yasir Arafat, Mehdi Khiadani, and Zongping Shao
Morphology of MoS2 nanosheets and its influence on water/oil interfacial tension: A molecular dynamics study, Yang Feng, Jirui Hou, Yulong Yang, Shuting Wang, Dongsen Wang, Tingting Cheng, and Zhenjiang You
Effect of ozonation-based disinfection methods on the removal of antibiotic resistant bacteria and resistance genes (ARB/ARGs) in water and wastewater treatment: a systematic review, Maryam Foroughi, Mehdi Khiadani, Samaneh Kakhki, Vahid Kholghi, Khosro Naderi, and Sama Yektay
Best practices for conducting physical reconstructions of head impacts in sport, James R. Funk, Andrew S. McIntosh, Chris Withnall, Michael Wonnacott, and Ron Jadischke
Roles of graphitization degree and surface functional groups of N-doped activated biochar for phenol adsorption, Wenran Gao, Zixiang Lin, Haoran Chen, Shanshan Yan, Haonan Zhu, Hong Zhang, Hongqi Sun, Shu Zhang, Shoujun Zhang, and Yinlong Wu
Preparation of N-, O-, and S-tri-doped biochar through one-pot pyrolysis of poplar and urea formaldehyde and its enhanced removal of tetracycline from wastewater, Wenran Gao, Zixiang Lin, Shanshan Yan, Yaxuan Gao, Hong Zhang, Xun Hu, Hongqi Sun, and Shu Zhang
A review on N-doped biochar for oxidative degradation of organic contaminants in wastewater by persulfate activation, Yaxuan Gao, Wenran Gao, Haonan Zhu, Haoran Chen, Shanshan Yan, Ming Zhao, Hongqi Sun, Junjie Zhang, and Shu Zhang
Different strategies to reinforce the milk protein-based packaging composites, Farhad Garavand, Shima Jafarzadeh, Ilaria Cacciotti, Nooshin Vahedikia, Zahra Sarlak, Özgür Tarhan, Shima Yousefi, Milad Rouhi, Roberto Castro-Muñoz, and Seid Mahdi Jafari
Recent progress in using zein nanoparticles-loaded nanocomposites for food packaging applications, Farhad Garavand, Diako Khodaei, Niaz Mahmud, Joinul Islam, Injeela Khan, Shima Jafarzadeh, Reza Tahergorabi, and Ilaria Cacciotti
Tuning the physicochemical, structural, and antimicrobial attributes of whey-based poly (L-Lactic Acid) (PLLA) films by Chitosan Nanoparticles, Farhad Garavand, Milad Rouhi, Shima Jafarzadeh, Diako Khodaei, Ilaria Cacciotti, Masoumeh Zargar, and Seyed Hadi Razavi
Remarkably enhanced Fenton-like catalytic activity and recyclability of Fe-based metallic glass by alternating magnetic field: Mechanisms and industrial applications, You-Xuan Ge, Peng-Yu Zhu, Yao Yu, Lai-Chang Zhang, Cheng Zhang, and Lin Liu
Treatment of synthetic dye containing textile raw wastewater effluent using UV/Chlorine/Br photolysis process followed by activated carbon adsorption, Sobhan Ghanbari, Ali Fatehizadeh, Mehdi Khiadani, Ensiyeh Taheri, and Hafiz M. N. Iqbal
Degradation of 4-chlorophenol using MnOOH and γ-MnOOH nanomaterials as porous catalyst: Performance, synergistic mechanism, and effect of co-existing anions, Sobhan Ghanbari, Ali Fatehizadeh, Ensiyeh Taheri, Mehdi Khiadani, and Hafiz M. N. Iqbal
Removal of pharmaceutical pollutants from wastewater using 2D covalent organic frameworks (COFs): An in silico engineering study, Mehdi Ghasemi, Mohammad Khedri, Mohsen Didandeh, Mojtaba Taheri, Ebrahim Ghasemy, Reza Maleki, Ho Kyong Shon, and Amir Razmjou
Mechanism understanding of Li-ion separation using a perovskite-based membrane, Mahsa Golmohammadi, Meysam Habibi, Sima Rezvantalab, Yasin Mehdizadeh Chellehbari, Reza Maleki, and Amir Razmjou
CFD modelling of flexible concrete mattress hydrodynamic forces, Terry Griffiths, Randall Griggs, and Mehdi Khiadani
Efficient electro-Fenton catalysis by self-supported CFP@CoFeO electrode, Meiting Guo, Mingjie Lu, Heng Zhao, Feifei Lin, Fengting He, Jinqiang Zhang, Shuaijun Wang, Pei Dong, and Chaocheng Zhao