Search Results - "Shen, Jiyun"
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Study on the Compressive and Tensile Properties of Latex-Modified Cement Stone
Published in Materials (03-10-2024)“…The integrity of wellbores is essential for the safe and efficient operation of drilling activities. Cement plays a critical role in this process, serving as a…”
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Calculation of micro-annulus size in casing-cement sheath-formation system under continuous internal casing pressure change
Published in Petroleum exploration and development (01-06-2015)“…The change of internal casing pressure could result in the failure of the cement sheath or the occurrence of the micro-annulus at the interface between the…”
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Zeolitic imidazolate framework nanoparticles loaded with gadolinium chelate as efficient T1 MRI contrast agent
Published in Journal of materials science (01-04-2021)“…Gd–chelate magnetic resonance imaging (MRI) contrast agents used in conventional clinical medicine still have some shortcomings, such as their low relaxation…”
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4
Identification of membrane protein types via deep residual hypergraph neural network
Published in Mathematical biosciences and engineering : MBE (01-01-2023)“…A membrane protein's functions are significantly associated with its type, so it is crucial to identify the types of membrane proteins. Conventional…”
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Simulation on wellbore integrity at casing shoe during fracturing for shale gas wells
Published in ITM web of conferences (2022)“…Wellbore integrity is significant to maintain and improve the production performances of shale wells. In Duvernay Canada, casing deformation near the top of…”
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Journal Article Conference Proceeding -
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Evaluation of 30 Gbps super high bit rate mobile communications using channel data in 11 GHz band 24×24 MIMO experiment
Published in 2014 IEEE International Conference on Communications (ICC) (01-06-2014)“…The performance of 30 Gbps super high bit rate mobile communications is evaluated by computer simulation using channel data collected in 11 GHz band 24×24 MIMO…”
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Conference Proceeding -
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Cement sheath integrity of shale gas wells: A case study from the Sichuan Basin
Published in Natural Gas Industry B (01-02-2018)“…Sustained annulus pressure and casing deformation of gas wells are common in several shale gas demonstration areas in the Sichuan Basin. In view of this, the…”
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8
Super high bit rate radio access technologies for small cells using higher frequency bands
Published in 2014 IEEE MTT-S International Microwave Symposium (IMS2014) (01-06-2014)“…This paper overviews super high bit rate radio access technologies using higher frequency bands for future radio access for 5G. In small cells using higher…”
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Conference Proceeding -
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Technical difficulties in the cementing of horizontal shale gas wells in Weiyuan block and the countermeasures
Published in Natural Gas Industry B (01-05-2016)“…When well cementing is conducted in horizontal shale gas wells in Weiyuan block of the Weiyuan–Changning State Shale Demonstration Area, Sichuan Basin, the…”
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Joint fixed beamforming and eigenmode precoding for super high bit rate massive MIMO systems using higher frequency bands
Published in 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC) (01-09-2014)“…In order to tackle rapidly increasing traffic, the 5th generation (5G) mobile communication system will introduce small cells using higher frequency bands with…”
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Conference Proceeding -
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Tensile strength and failure mechanism of rock–cement sample: Roles of curing temperature, nano-silica and rock type
Published in Cement and concrete research (01-12-2024)“…Understanding the tensile strength and failure mechanism of rock–cement interfacial transition zone (ITZ) is of vital significance to the sealing integrity of…”
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Influence of halloysite nanotube on hydration products and mechanical properties of oil well cement slurries with nano-silica
Published in Construction & building materials (30-06-2020)“…•HNT was used to reinforce mechanical properties of oil well cement.•Effects of HNT on hydration products of oil well cements were discussed.•Cross-linking and…”
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Effect of Curing Age on the Microstructure and Hydration Behavior of Oil Well Cement Paste Cured at High Temperature
Published in Journal of materials in civil engineering (01-03-2021)“…AbstractWith the extensive increase in exploitation of shale gas/oil, the mechanical/physical properties of oil well cement paste (OWCP) are paid special…”
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Large scale characteristics of urban cellular wideband channels at 11 GHz
Published in 2015 9th European Conference on Antennas and Propagation (EuCAP) (01-04-2015)“…High frequency spectrum is expected to offer a wide bandwidth for future broadband cellular networks. This paper presents the measurement results of the…”
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Conference Proceeding -
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On the early behavior and microstructure of oil well cement paste incorporating with carbon nanotubes cured at a high temperature
Published in Construction & building materials (24-01-2022)“…With the rapid development of shale gas/oil exploitation, hostile downhole condition asks for more flexible and ductile oil well cement paste (OWCP). This…”
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Thermo-poroelastic modelling of cement sheath: pore pressure response, thermal effect and thermo-osmotic effect
Published in European journal of environmental and civil engineering (25-01-2022)“…Cement sheath provides zonal isolation and structural support during oil/gas well exploitation. Mechanical behaviours of cement sheath are of increasing…”
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Requirements of power amplifier on super high bit rate massive MIMO OFDM transmission using higher frequency bands
Published in 2014 IEEE Globecom Workshops (GC Wkshps) (01-12-2014)“…To actualize the 5th generation (5G) radio access network with a super high bit rate and high capacity, small cells using both higher frequency bands and…”
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Conference Proceeding -
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Reactive transport modeling of CO2 through cementitious materials under CO2 geological storage conditions
Published in International journal of greenhouse gas control (01-10-2013)“…•We model the reactive transport of CO2 in cementitious materials.•We model the dissolution of C-S-H accounting for the continuous decrease of the C/S…”
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Zeolitic imidazolate framework nanoparticles loaded with gadolinium chelate as efficient T.sub.1 MRI contrast agent
Published in Journal of materials science (21-01-2021)“…Gd-chelate magnetic resonance imaging (MRI) contrast agents used in conventional clinical medicine still have some shortcomings, such as their low relaxation…”
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