Applied Ocean Research最新文献

{"title":"Analysis of wave height return period based on joint probability analysis of different typhoon disaster factors","authors":"Guilin Liu ,&nbsp;Bokai Yang ,&nbsp;Zongbing Yu ,&nbsp;Guoqing Jin","doi":"10.1016/j.apor.2025.104584","DOIUrl":"10.1016/j.apor.2025.104584","url":null,"abstract":"<div><div>In the past, the application of composite extreme value distribution to calculate wave height design value only focused on typhoon frequency, ignoring the influence of other disaster causing factors. Additionally, in the process of calculating the return period, existing multivariate return period calculation methods commonly led to overestimation or underestimation of marine engineering design standards. In order to comprehensively reflect the influence of different typhoon disaster factors on the wave height design value of the multi-year return period, this study has constructed three types of multidimensional composite extreme value distribution models. The first and second models consider the effect of typhoon frequency and typhoon intensity separately, although the third model considers both parameters. The present investigation further proposes the calculation formula for the return period applicable to different sampling methods, using the hazard probability in the design life of marine engineering as the control condition. Because there exists the significant impact of sample selection on the estimation of the return period for wave height design value. Finally, Kendall return period is introduced to make up for the shortcomings of joint return period and co-occurrence return period in overestimating or underestimating dangerous areas. The case analysis of the South China Sea demonstrates that the return period should be converted when calculating the wave height design value. The first model of composite distribution results in the maximum wave height design value, the second one leads to the minimum design value, and the third one are located between the aforementioned two models. Meanwhile, the design value of Kendall's return period falls between the joint return period and the co-occurrence return period, which causes a more reasonable wave height design value.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104584"},"PeriodicalIF":4.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143921821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of thermo-mechanical coupling effects on the stiffness characteristics of dynamic cables","authors":"Dongsheng Qiao ,&nbsp;Guanggen Zou ,&nbsp;Hangwei Chen ,&nbsp;Guoqiang Tang ,&nbsp;Lin Lu ,&nbsp;Jinping Ou","doi":"10.1016/j.apor.2025.104583","DOIUrl":"10.1016/j.apor.2025.104583","url":null,"abstract":"<div><div>During the service period of dynamic cables, in addition to withstanding mechanical loads such as tension and bending, thermal loads are generated due to the power transmission function, creating a thermo-mechanical coupling field that affects their mechanical properties including stiffness. Based on the periodic structural characteristics of dynamic cables, this paper introduces the asymptotic homogenization method to construct a finite element model with periodic boundary conditions, simplifying the computational domain to the helical period of the cable's internal components. This establishes an efficient method for analyzing the equivalent stiffness of the cable structure. By considering the effects of thermal expansion and softening, this study systematically explains and analyzes the influences of thermal loads on the dynamic stiffness of cables, revealing the correlation between these factors and cable stiffness. Furthermore, it explores the influence of effective tension, hydrostatic pressure, and thermal load on the nonlinear bending stiffness of the cable structure. The research shows that thermal loads cause expansion and softening effects, leading to a 32.54 % decrease in tensile stiffness, with expansion being the dominant factor, and a 21.51 % decrease in bending stiffness, with softening being the dominant factor while expansion has little effect. Changes in effective tension, hydrostatic pressure, and thermal load mainly affect the stick and slip zones in the nonlinear bending stiffness of dynamic cables. This provides critical data that are closer to actual working conditions for subsequent studies on dynamic cable configuration optimization and fatigue life assessment.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104583"},"PeriodicalIF":4.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143878818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research on penetration characteristics of suction foundation based on seepage in sand","authors":"Xingming Zhong ,&nbsp;Fan Yang ,&nbsp;Fuming Wang ,&nbsp;Chengchao Guo ,&nbsp;Yunsong Ji ,&nbsp;Xuemei Wang","doi":"10.1016/j.apor.2025.104578","DOIUrl":"10.1016/j.apor.2025.104578","url":null,"abstract":"<div><div>The suction foundation (SF) has significant resistance reduction effect due to the seepage effect under the suction-assisted penetration. Seepage is an important factor in resistance reduction. In this paper, the model experiments and numerical simulation method were employed to analyze the resistance of suction-assisted penetration in sand. By analyzing the mechanism of resistance reduction, a suction foundation for enhancing seepage (SFES) has been proposed. The SFES was installed the degradable material inside the SF. The size of the degradable materials is smaller than the inner diameter of the foundation. During suction-assisted penetration, water suddenly contracts inside the foundation, resulting in a decrease in excess pore pressure on the inner side of the foundation and ultimately reducing installation resistance. The coefficient of evaluating the change of penetration resistance under seepage action was put forward. The results had shown that the pore water pressure of the sandy soil near foundation wall was reduced by the sudden contraction during the suction-assisted penetration, which was more conducive to resistance reduction. Under the same penetration depth, the inner resistance of the SFES change coefficient was 8.4 %-25.9 % smaller than that of SF. When the relative penetration depth <span><math><mrow><mi>h</mi><mo>/</mo><mi>D</mi><mo>≥</mo><mn>0.25</mn></mrow></math></span>, the area of piping (<span><math><mrow><mi>ζ</mi><mo>≥</mo><mn>1</mn></mrow></math></span>) region within SFES was smaller than that of SF. As<span><math><mrow><mspace></mspace><mi>h</mi><mo>/</mo><mi>D</mi><mo>=</mo><mn>0.9</mn></mrow></math></span>, the area of piping (<span><math><mrow><mi>ζ</mi><mo>≥</mo><mn>1</mn></mrow></math></span>) region within SFES producing piping was 27.9 % less than SF. The SFES had more advantages in the suction-assisted penetration.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104578"},"PeriodicalIF":4.3,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Turbulence measurements at three potential tidal energy sites in the Salish Sea","authors":"James R. McVey ,&nbsp;Levi Kilcher ,&nbsp;Jim Thomson ,&nbsp;Zhaoqing Yang","doi":"10.1016/j.apor.2025.104561","DOIUrl":"10.1016/j.apor.2025.104561","url":null,"abstract":"<div><div>Understanding turbulence is critical for the robust design of current energy converters. Subsurface moorings were deployed in the Salish Sea, WA to characterize the turbulence statistics at three potential tidal energy sites: Bellingham Channel, Rosario Strait, and Tacoma Narrows. Measurements were made over two days during spring tides with a combination of acoustic Doppler velocimeters and current profilers in order to analyze the turbulence intensity, integral length scales and turbulent kinetic energy balance. For the four full tidal cycles collected at each site, water velocity peaks at 2.0, 2.8, and 2.5 m/s with average turbulence intensities of 12%, 9%, and 10% for Bellingham Channel, Rosario Strait, and Tacoma Narrows, respectively. The majority of turbulent energy is contained in horizontal anisotropic structures, consistent with the integral length scales observed, and turbulent energy production and dissipation are roughly balanced at the observed sites. Additionally, these channels have significant transverse shear stresses and should not be approximated as wall-bounded flows. This study shows the successful use of buoy-mounted ADVs to gain mid-water column turbulence measurements pertinent to the tidal energy industry, and results from this deployment are important for future work improving a numerical resource characterization model for the Salish Sea.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104561"},"PeriodicalIF":4.3,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-perspective nautical safety risk assessment of allisions with offshore wind parks","authors":"Solange van der Werff ,&nbsp;Sietse Eppenga ,&nbsp;Arne van der Hout ,&nbsp;Pieter van Gelder ,&nbsp;Mark van Koningsveld","doi":"10.1016/j.apor.2025.104564","DOIUrl":"10.1016/j.apor.2025.104564","url":null,"abstract":"<div><div>The increasing amount of activities at sea, including the development of offshore wind parks, result in a more confined space for shipping, requiring the assessment of risk changes regarding nautical safety and the design of potential mitigation measures. The main contribution of this paper is the transparent evaluation of allision probabilities, based on an event-based approach. This enables a structural consideration of conditional probabilities, and supports uniting quantitative and qualitative analyses. The event-based approach allows evaluating the outcomes from various perspectives: scales, conditions, behaviour and dependencies. The analysis outcomes are represented in a concept called “event table”, from which these perspectives can be extracted. Consequently, from this single data structure, insights can be gained ranging from spatial variations of the risk (highly detailed or global patterns), to detailed distinction between the most important influencing factors (varying from vessel type to environmental condition). It is furthermore possible to switch between wind-park specific risks and assessment of operational and strategic risk-mitigating measures for the entire area. The core feature of incorporating multiple perspectives not only allows various views on the safety risks, providing a better understanding of the most important contributing factors, as well as effectiveness of intervention measures. Our analysis shows the added value of additional distance between shipping lanes and wind parks in the spatial design, and we demonstrate how our multi-perspective approach supports the strategic and operational decisions around the availability and deployment of emergency response vessels.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104564"},"PeriodicalIF":4.3,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Protection of custom satellite antennas for deep-sea monitoring probes: Insights from the SONDA project","authors":"T. Matos ,&nbsp;H. Dinis ,&nbsp;C.L. Faria ,&nbsp;M.S. Martins","doi":"10.1016/j.apor.2025.104575","DOIUrl":"10.1016/j.apor.2025.104575","url":null,"abstract":"<div><div>This study presents the development and testing of satellite antennas for the SONDA probe, an innovative deep-sea monitoring system designed to be deployed by high-altitude balloons. The probe descends to the deep ocean, resurfaces, and transmits data while functioning as a drifter. The project faced unique design constraints, including the need for low-cost materials and lightweight construction for balloon deployment. These constraints ruled out traditional hermetic housings, necessitating alternative solutions for antenna protection. The work focused on custom ceramic patch antennas and their performance under various protective coatings, which affected the antennas’ resonance and gain. Thinner layers effectively protected the antennas from high-pressure conditions and water ingress, maintaining functionality. Experiments on antenna height revealed optimal positioning above the water surface to minimize wave-induced signal interference. Hyperbaric chamber tests validated the mechanical integrity and functionality of the antennas under pressures equivalent to depths of 1500 m Antenna characterization techniques were employed in an anechoic chamber to validate antenna performance with the coating and to assess their correct operation after the hyperbaric tests. Field deployments demonstrated the antennas’ capability to transmit data after diving. Challenges included communication delays, corrupted data, and mechanical vulnerabilities in materials. The findings emphasize the importance of rigorous mechanical design, material selection, and system optimization to ensure reliability in marine environments. This work advances the development of low-cost, lightweight, and modular probes for autonomous ocean monitoring, with potential applications in long-term drifter studies, real-time marine monitoring and oceanographic research.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104575"},"PeriodicalIF":4.3,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lateral bearing characteristics of modified suction caisson embedded in layered soil","authors":"Yukun Zhang ,&nbsp;Yang Chen ,&nbsp;Dayong Li ,&nbsp;Xinyu Hou ,&nbsp;Ying Lai","doi":"10.1016/j.apor.2025.104572","DOIUrl":"10.1016/j.apor.2025.104572","url":null,"abstract":"<div><div>Model tests and numerical simulations were conducted to investigate the lateral bearing characteristics of a modified suction caisson (MSC) in layered soil. The impacts of the loading eccentricity and the soil layer distribution on the lateral bearing capacity, rotation point position variation and soil deformation behavior were studied. Results indicate The MSC lateral bearing capacity in sand-over-clay is greater than that in clay-over-sand. In both sand-over-clay and clay-over-sand, the MSC bearing capacities were all found to increase with increasing the sand layer thickness. During lateral loading, the MSC rotation point continuously move downward and finally reaches the stable position in the limit state. The final embedded depths of the rotation position under various soil types are as follows: clay-over-sand is the deepest, sand is next, sand-over-clay is the next, and clay is the shallowest. In addition, the three-dimensional soil deformation zones around the MSC were obtained. The three-dimensional elliptic shaped soil deformation strain wedge boundary surface at the front side of the MSC along the loading direction extends linearly from MSC internal compartment outer wall (with the embedded depth where the rotation point is located) diagonally upward to the topsoil surface. The boundary of the deformed topsoil surface at the front side of the MSC along the loading direction can be fitted as an elliptic function. Based on the test and numerical results, solutions calculating the lateral bearing capacity of the MSC in layered soil were proposed using the limit equilibrium method and earth pressure theory. Results show that the proposed solution can well predict the lateral bearing capacities for the MSC and the TSC in sand, clay and layered soil.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104572"},"PeriodicalIF":4.3,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143851561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of vibration characteristics of deep-sea mining risers under emergency disconnection state","authors":"Jiaqi Han ,&nbsp;Zhen Wang","doi":"10.1016/j.apor.2025.104548","DOIUrl":"10.1016/j.apor.2025.104548","url":null,"abstract":"<div><div>The extreme marine environment poses a significant threat to deep-sea mining operations. For the sake of security, the jack-up diving platform and riser system are still deployed in the sea, and the emergency evacuation of personnel and mining vessels is one of the common coping strategies. To address the issue of mineral particles naturally settling and stratifying under the influence of gravity in the riser during emergency state, which leads to the nonuniform distribution of the tension of the riser, a simplified mathematical model for the transverse vibration of the segmented riser is established and solved by the new method based on perturbation. The analytical expression of the natural frequencies and the corresponding mode functions of the transverse vibration of the riser under the emergency state is theoretically given. The change in the vibration characteristics of the risers in emergency and operation states is compared and analyzed. The influence of the concentration of mineral particles in the riser in operation state and the concentration of mineral particles in the riser under emergency disconnection state and the density of mined mineral particles on the vibration characteristics of the riser is analyzed. The results indicate that the natural frequencies of segmented risers increase under emergency conditions, with variations within 10% of the operational frequencies. The first-order frequency exhibits the most significant change. The upper segment riser vibrates more violently than the bottom segment riser, and every ventral point in each order of mode moves to the negative x-axis direction compared with the operation state. When the concentration of mineral particles in the riser under operation state increases, the natural frequency of each order decreases. When the concentration of mineral particles in the bottom mineral segment riser of the emergency state increases, the first order and the second order natural frequencies will increase, the third order and the sixth order natural frequencies will first decrease and then increase, and the fourth order and the fifth order natural frequencies will first increase and then decrease. When the mineral density increases, the natural frequency of each order will decrease. Each ventral point in each mode moves regularly with the change of mineral particle density and concentration.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104548"},"PeriodicalIF":4.3,"publicationDate":"2025-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Severe slugging mitigation by utilizing the active use of choke control valve","authors":"V Banjara ,&nbsp;C Avila ,&nbsp;D Murugavel ,&nbsp;E Pereyra","doi":"10.1016/j.apor.2025.104547","DOIUrl":"10.1016/j.apor.2025.104547","url":null,"abstract":"<div><div>One of the common flow assurance issues in offshore production facilities is riser-based severe slugging. Severe slugging is a cyclic process that occurs in the late life of reservoirs when there is not enough energy available in the system to push the liquid out of the riser. A novel technique is proposed in this study to mitigate this issue. Unlike the conventional choking techniques, where additional backpressure is applied on the riser to mitigate severe slugging, the proposed technique involves utilizing the active use of either the choke control valve located downstream of the riser in a pipeline-riser system or the separator gas control valve. This new technique can be utilized in brownfields where pipeline pressure measurement installed for feedback control loops is not feasible. The main advantage of the new technique is that it can use the available measurements and equipment (gas control valve and pressure sensors) available in a regular topside facility. In this study, an algorithm is developed that can determine the required valve operation sequence (amplitude and frequency) of the choke control valve based on the natural slugging frequency. The objective is the mitigation of the severe slugging, which minimizes imposing the additional backpressure on the pipeline-riser system. Proof of concept of the proposed technique demonstrated on a large-scale facility using the transient simulations. The results of the transient simulations using OLGA show that the active use of the choke control valve does affect the severe slugging characteristics. The results show that the valve sequence can either mitigate severe slugging or make it worse depending on the selection of the valve operation sequence. Therefore, determining the correct valve sequence is very critical. To investigate further, another case study has been presented, where the results from the algorithm developed in-house for the choke control valve operation sequence were tested using OLGA simulations. These simulation results show that the proposed technique is successful in providing a unique combination of choke control valve opening frequency and amplitude, which will mitigate the severe slugging without increasing the additional backpressure on the system.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104547"},"PeriodicalIF":4.3,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of navigable water depth reliability in the Port of Singapore on the basis of AIS","authors":"Zeming Li ,&nbsp;Qizhi Zhuang ,&nbsp;Hengyong Chu ,&nbsp;Shanlin Gao ,&nbsp;Liang Cheng ,&nbsp;Jian Cheng ,&nbsp;Zhixin Duan ,&nbsp;Qingren Xue ,&nbsp;Yunchang Yao ,&nbsp;Deliang Chen ,&nbsp;Yaping Qi ,&nbsp;Manchun Li","doi":"10.1016/j.apor.2025.104574","DOIUrl":"10.1016/j.apor.2025.104574","url":null,"abstract":"<div><div>Vessel groundings can be harmful to people and the environment. Draught in Automatic Identification System (AIS) data can help vessels avoid grounding incidents. However, AIS data often contain redundancies and errors. Vessel draught is not effectively utilized. This study aims to design a reliability assessment method based on the characteristics of AIS data to calculate reliable navigable water depth. The Port of Singapore is selected as the study area to generate navigable water depth. The proposed method calculates navigable water depth in grids and assesses its reliability. The assessment considers factors, such as the dispersion of a vessel’s draught, completeness of trajectories, type of vessels, and Vessel voyage data. A navigable water depth product can be obtained through data cleaning and reliability assessment. Results demonstrate the effectiveness of the proposed method in calculating navigable water depth and assessing reliability. Specifically, the method performs well in areas whose water depth is &lt;25 m, including wharves, inner harbor channels, and anchorages. The data are compared with other depth prediction methods, and the error between it and the charts is relatively small. The obtained navigable water depth is generally less than the chart depth and meets the requirements for safe navigation while optimizing the utilization of water depth in the port. The methodology has also been applied in other areas. Overall, utilizing AIS data to calculate and assess the reliability of navigable water depth provides valuable information for enhancing navigational safety and optimizing port water depth utilization. It also makes draught in AIS effective.</div></div>","PeriodicalId":8261,"journal":{"name":"Applied Ocean Research","volume":"158 ","pages":"Article 104574"},"PeriodicalIF":4.3,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}