Minerals Engineering最新文献

Physics-informed machine learning for grade prediction in froth flotation

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-12 DOI: 10.1016/j.mineng.2025.109297

Mahdi Nasiri, Sahel Iqbal, Simo Särkkä

{"title":"Physics-informed machine learning for grade prediction in froth flotation","authors":"Mahdi Nasiri, Sahel Iqbal, Simo Särkkä","doi":"10.1016/j.mineng.2025.109297","DOIUrl":"10.1016/j.mineng.2025.109297","url":null,"abstract":"<div><div>In this paper, physics-informed neural network models are developed to predict the concentrate gold grade in froth flotation cells. Accurate prediction of concentrate grades is important for the automatic control and optimization of mineral processing. Both first-principles and data-driven machine learning methods have been used to model the flotation process. The complexity of models based on first-principles restricts their direct use, while purely data-driven models often fail in dynamic industrial environments, leading to poor generalization. To address these limitations, this study integrates classical mathematical models of froth flotation processes with conventional deep learning methods to construct physics-informed neural networks. The models are trained, evaluated, and tested on datasets generated from a digital twin model of flotation cells that merges real-process data with physics-based simulations, with data collected over nearly half a year at a five-minute sampling rate. Compared to the best purely data-driven model, the top-performing physics-informed neural network reduced the mean squared error by 65% and the mean relative error by 34%, demonstrating superior generalization and predictive performance.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109297"},"PeriodicalIF":4.9,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143821062","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}

引用次数: 0

Enhanced chalcopyrite bioleaching with mechanical activation and redox potential regulation

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-11 DOI: 10.1016/j.mineng.2025.109292

Yuxin Li , Zuyuan Tian , Xu Wang , Jie Wen , Qiming Mao , Congren Yang

{"title":"Enhanced chalcopyrite bioleaching with mechanical activation and redox potential regulation","authors":"Yuxin Li , Zuyuan Tian , Xu Wang , Jie Wen , Qiming Mao , Congren Yang","doi":"10.1016/j.mineng.2025.109292","DOIUrl":"10.1016/j.mineng.2025.109292","url":null,"abstract":"<div><div>The bioleaching of chalcopyrite is limited by its slow leaching rate. To improve dissolution kinetics, the effects of Fe<sup>2+</sup> and Fe<sup>3+</sup> on mechanical activation-pretreatment chalcopyrite leaching by <em>Acidithiobacillus caldus</em> (<em>A. caldus</em>) and <em>Sulfobacillus thermosulfidooxidans</em> (<em>S. thermosulfidooxidans</em>) were studied. Mechanical activation reduces particle size and causes lattice defects in chalcopyrite, leading to significantly increased chemical leaching. In bioleaching experiments, <em>A. caldus</em> enhanced the leaching efficiency of mechanically activated chalcopyrite in the Fe<sup>3+</sup> system, reaching a leaching rate of 95.3%. Increasing the number of sulfur-oxidizing microorganisms and reducing the number of iron-oxidizing microorganisms in the leaching system can keep Redox Potential (ORP) within an appropriate range, thereby improving the bioleaching efficiency. Chalcopyrite chemical leaching and bioleaching with <em>S. thermosulfidooxidans</em> are controlled by surface chemical reactions and internal diffusion, respectively, while chalcopyrite bioleaching with <em>A. caldus</em> contains both mechanisms. The main residues during bioleaching are elemental sulfur and chalcopyrite; therefore, controlling the solution potential and ferrous/sulfur oxidation activity of microorganisms can enhance the bioleaching of chalcopyrite.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109292"},"PeriodicalIF":4.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143821061","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}

引用次数: 0

Synergistic effect of ultrasonication on the depression of galena via the Fe(II)-activated persulfate process

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-11 DOI: 10.1016/j.mineng.2025.109288

Qinbo Cao , Yan Yan , Heng Zou , Haiyu Zhang , Dianwen Liu , Shuming Wen

{"title":"Synergistic effect of ultrasonication on the depression of galena via the Fe(II)-activated persulfate process","authors":"Qinbo Cao , Yan Yan , Heng Zou , Haiyu Zhang , Dianwen Liu , Shuming Wen","doi":"10.1016/j.mineng.2025.109288","DOIUrl":"10.1016/j.mineng.2025.109288","url":null,"abstract":"<div><div>The S<sub>2</sub>O<sub>8</sub><sup>2−</sup>/Fe<sup>2+</sup> system can be used to depress PbS, where the activation of S<sub>2</sub>O<sub>8</sub><sup>2−</sup> leads to the generation of SO<sub>4</sub>•<sup>−</sup> radicals that oxidize PbS. However, a high S<sub>2</sub>O<sub>8</sub><sup>2−</sup>/Fe<sup>2+</sup> dosage is needed for PbS depression (0.15 mol/L). In this study, ultrasonication was employed to improve the depression ability of S<sub>2</sub>O<sub>8</sub><sup>2−</sup>/Fe<sup>2+</sup>. The flotation and contact angle results implied that 120-kHz ultrasonication enhanced the depression ability of S<sub>2</sub>O<sub>8</sub><sup>2−</sup>/Fe<sup>2+</sup> for PbS, resulting in a decrease in the S<sub>2</sub>O<sub>8</sub><sup>2−</sup>/Fe<sup>2+</sup> dosage. Ultrasonication induced hot spots (5000 K) in the PbS slurry and on the PbS surface. These hot spots may cause the thermal activation of S<sub>2</sub>O<sub>8</sub><sup>2−</sup> to generate SO<sub>4</sub>•<sup>−</sup> radicals, facilitating the oxidation of PbS. Thus, the ultrasound-assisted treatment increased the oxidation level of PbS. The XPS study revealed that ultrasonication favored the oxidation of S<sup>2−</sup> on the PbS surface to SO<sub>4</sub><sup>2−</sup>, such that the surface was covered with PbSO<sub>4</sub> and the hydrophobicity of PbS was lowered. However, ultrasonication did not considerably increase the oxidation state of the CuFeS<sub>2</sub> surface; thus, CuFeS<sub>2</sub> could still be floated and separated from PbS. This study provides a novel strategy for separating PbS–CuFeS<sub>2</sub> mixtures.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109288"},"PeriodicalIF":4.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816524","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}

引用次数: 0

Visualization of the flow structure in dense particle suspensions using fluorescence-backlight particle tracking

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-11 DOI: 10.1016/j.mineng.2025.109294

Vaishakh Tholan , Peggy Jaehnigen , Anna-Elisabeth Sommer , Martin Rudolph , Kerstin Eckert , Sascha Heitkam

引用次数: 0

Purification of vanadium-bearing solutions: A comprehensive review

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-11 DOI: 10.1016/j.mineng.2025.109289

José Helber Vinco, Denise Crocce Romano Espinosa, Jorge Alberto Soares Tenório

{"title":"Purification of vanadium-bearing solutions: A comprehensive review","authors":"José Helber Vinco, Denise Crocce Romano Espinosa, Jorge Alberto Soares Tenório","doi":"10.1016/j.mineng.2025.109289","DOIUrl":"10.1016/j.mineng.2025.109289","url":null,"abstract":"<div><div>The demand for high-purity vanadium is projected to rise significantly in the coming decades, driven by its critical role in various industries, such as energy storage, steel manufacturing, and catalysts. Ensuring the purity of vanadium from hydrometallurgical processes is crucial to maintaining the high quality required for these applications. This review examines the most recent advancements in purification techniques used to separate vanadium from complex solutions, with a particular focus on ion exchange resins, solvent extraction, and chemical precipitation. Key intrinsic factors influencing the selection of these methods, including solution composition, pH, and the presence of competing ions, are discussed in detail. Additionally, the review highlights the fundamental principles underlying each purification approach, offering a comparison of their efficiency, selectivity, and scalability. The challenges associated with each method are also explored, particularly those related to operational costs and environmental sustainability. Recent research efforts aimed at improving these techniques, such as the development of more selective adsorbents and the integration of greener technologies, are examined to provide a comprehensive outlook on the future of vanadium purification. This work aims to serve as a guide for researchers and industry professionals working toward more efficient and sustainable purification processes for vanadium.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109289"},"PeriodicalIF":4.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816421","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}

引用次数: 0

A green extraction process of lithium from clays

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-11 DOI: 10.1016/j.mineng.2025.109302

Roberto Pérez-Garibay, Miguel Gianpierre Jorges-Villon, Juan Carlos Fuentes-Aceituno, Francisco Andrés Acosta-González

{"title":"A green extraction process of lithium from clays","authors":"Roberto Pérez-Garibay, Miguel Gianpierre Jorges-Villon, Juan Carlos Fuentes-Aceituno, Francisco Andrés Acosta-González","doi":"10.1016/j.mineng.2025.109302","DOIUrl":"10.1016/j.mineng.2025.109302","url":null,"abstract":"<div><div>One of the possibilities for mitigating global climate change is to replace the burning of hydrocarbons with cleaner wind and solar energies, but the problem is storing the energy efficiently. To solve this problem, one of the most promising alternatives is the use of rechargeable and efficient lithium batteries. The importance of this work is that a green method to extract lithium from clays (the third major source of this element) is demonstrated at a laboratory scale. This is done through an electrodialysis process, placing the clay slurry in the anodic section and water in the cathodic section. In this work, the effect of temperature and percentage of solids of the slurry on the lithium extraction kinetics is studied and it is found that the temperature favours the extraction kinetics, but the solids percentage affects it negatively. The extraction of lithium from clay-type carbonates is feasible under the following initial operating conditions: temperature close to 25 °C, solids content at 10 % (weight/weight, w/w) and natural pH of the clay slurry (pH<sub>natural</sub> 10, approximately). The small particle size and high surface charge of clays makes them very difficult to separate from water (by filtration or sedimentation) but this method allowed settling of the processed clays.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816422","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}

引用次数: 0

The efficient separation of apatite and dolomite using sodium dextran sulphate as an eco-friendly depressant: Flotation performances and atom-scale interaction mechanism

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-10 DOI: 10.1016/j.mineng.2025.109291

Rui Ma , Bingqiao Yang , Bing Deng , Hui Shao , Yimei Xiao , Huihua Luo

{"title":"The efficient separation of apatite and dolomite using sodium dextran sulphate as an eco-friendly depressant: Flotation performances and atom-scale interaction mechanism","authors":"Rui Ma , Bingqiao Yang , Bing Deng , Hui Shao , Yimei Xiao , Huihua Luo","doi":"10.1016/j.mineng.2025.109291","DOIUrl":"10.1016/j.mineng.2025.109291","url":null,"abstract":"<div><div>The upgrading of Apa (Apatite) from Dol (Dolomite) by flotation is an extremely challenging job because of their resembling surface characteristics and the inferior selectivity of conventional fatty acid. In this work, an eco-friendly polymer surfactant dextran sulfate sodium (DSS) was evaluated as a novel Dol inhibitor to separate Dol and Apa and the selective depression mechanism was unveiled from atom-scale prospective. The results proved that DSS selectively depressed Dol while scarcely influenced the flotation of Apa. The wettability and zeta potential results suggested that DSS preferred to adsorb on Dol than Apa, which impeded NaOL (sodium oleate) to interact with Dol and made its surface hydrophilic. X-ray photoelectron spectroscopy (XPS) results confirmed that the intense chelation of −OSO<sub>3</sub><sup>2-</sup> groups with both Ca<sup>2+</sup> and Mg<sup>2+</sup> sites on Dol surface. While DSS species physiosorbed on Apa and they were easy to be replaced by NaOL. DFT calculation suggested that the 2p orbital of O<sub>1</sub>, O<sub>2</sub> and O<sub>3</sub> atoms within −OSO<sub>3</sub><sup>2-</sup> groups bonded with Mg 3s and Ca 4s orbital orbitals to form ionic −O-Ca, −O-Mg bonds, respectively. While only small portion of −OSO<sub>3</sub><sup>2-</sup> groups within DSS adsorbed on Ca sites weakly through electrical interaction because of the steric hindrance effect and the difference in atoms distribution density. As an eco-friendly surfactant, DSS shows good selectivity and compatibility in conjunction with NaOL via direct flotation, which has good prospects to substitute conventional reverse flotation to simplify the flotation processes and lower the flotation cost.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109291"},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816426","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}

引用次数: 0

Enhancing monazite flotation performance with octyl hydroxamic acid collector (OHA) by introducing Pb2+ to the solution

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-10 DOI: 10.1016/j.mineng.2025.109281

Tingting Wang , Hongli Fan , Jiayan Yue , Ning Hao , Qihuan Zheng , Wei Sun , Xianqi Meng , Dongyu Yang , Jianfei Li

{"title":"Enhancing monazite flotation performance with octyl hydroxamic acid collector (OHA) by introducing Pb2+ to the solution","authors":"Tingting Wang , Hongli Fan , Jiayan Yue , Ning Hao , Qihuan Zheng , Wei Sun , Xianqi Meng , Dongyu Yang , Jianfei Li","doi":"10.1016/j.mineng.2025.109281","DOIUrl":"10.1016/j.mineng.2025.109281","url":null,"abstract":"<div><div>Though octyl hydroxamic acid (OHA) has been extensively employed as the collector for monazite flotation, the weak collecting ability that OHA exhibits calls for improvement. In this article, the researchers systematically investigated the beneficial effects and mechanism of Pb<sup>2+</sup> for flotation process of monazite. We commenced with micro-flotation tests, which indicated that the presence of Pb<sup>2+</sup> could effectively promote the floatability of monazite with OHA. Specifically, at pH ≈ 8, the flotation recovery of monazite could reach 72.36 % following the addition of Pb<sup>2+</sup>. Meanwhile the hydrolyzing species of Pb adsorbed onto monazite particle surfaces, rendering more active sites for OHA absorption. Subsequently, by means of zeta potentials, Fourier transform infrared analysis (FTIR), and X-ray photoelectron spectroscopy (XPS), the researchers revealed that OHA underwent a reaction between Pb<sup>2+</sup> species and active Ce sites to form the complexes (Ce-O-Pb) on monazite particle surfaces, which further produced the hydrophobic OHA-Pb chelates.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109281"},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816423","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}

引用次数: 0

Purification of anhydrous aluminum chloride based on the “Aluminum-Containing resources Chlorination-Electrolysis” process

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-10 DOI: 10.1016/j.mineng.2025.109300

Yutong Hua, Ting-an Zhang, Xinjie Chen, Tianci Li

{"title":"Purification of anhydrous aluminum chloride based on the “Aluminum-Containing resources Chlorination-Electrolysis” process","authors":"Yutong Hua, Ting-an Zhang, Xinjie Chen, Tianci Li","doi":"10.1016/j.mineng.2025.109300","DOIUrl":"10.1016/j.mineng.2025.109300","url":null,"abstract":"<div><div>Aluminum is typically produced by processing bauxite through the Bayer process to yield alumina, which is then subjected to electrolysis via the Hall process. This conventional method encounters several challenges, including the scarcity of high-grade ore resources, the inability to process low-grade ores, the generation of red mud as solid waste, difficulties in recovering associated scattered metals, and significant energy consumption during electrolysis. To address these issues and promote comprehensive utilization of solid waste resources in the aluminum industry, along with energy conservation and emission reduction, we propose a novel “aluminum-containing resources chlorination-electrolysis” process. This study primarily investigates the repurification of products derived from the chlorination of aluminum-containing resource pellets. The objective is to satisfy the requirements for anhydrous aluminum chloride purity and yield in various sectors, including aluminum electrolysis, organic synthesis, and pharmaceuticals. The purification procedure employs the chemical reduction method, with a particular focus on analyzing the purification of iron-aluminum chlorides. This analysis integrates thermodynamic analysis, the physical properties of chlorides and experimental verification to offer profound insights into the underlying mechanism, specifically tackling the challenge of separating gaseous iron-aluminum complexes. Our findings indicate that under conditions of 230℃, the addition of 1.5 g of aluminum powder, and a reaction duration of 1 h, the purity of aluminum chloride can be enhanced from 90 % to 99.14 %, achieving an approximate yield of 95 %.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109300"},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816425","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}

引用次数: 0

The combined inhibitory effect of potassium permanganate and modified polyacrylamide on the flotation behavior of antimonite and arsenopyrite

IF 4.9 2区工程技术

Minerals Engineering Pub Date : 2025-04-10 DOI: 10.1016/j.mineng.2025.109285

Jiaqi Lu, Wenjuan Li, Miao Wang, Weiguang Xu, Qihang Dai, Yongsheng Song, Jiankang Wen, Wei Qu

{"title":"The combined inhibitory effect of potassium permanganate and modified polyacrylamide on the flotation behavior of antimonite and arsenopyrite","authors":"Jiaqi Lu, Wenjuan Li, Miao Wang, Weiguang Xu, Qihang Dai, Yongsheng Song, Jiankang Wen, Wei Qu","doi":"10.1016/j.mineng.2025.109285","DOIUrl":"10.1016/j.mineng.2025.109285","url":null,"abstract":"<div><div>The selective separation of antimonite and arsenopyrite minerals is both a critical and challenging task. This study investigated the combined inhibitory effects of two new reagents on the flotation behaviour of these minerals under low-alkalinity conditions. The inhibitory effects and adsorption mechanisms of these reagents were systematically studied through microflotation and mixed ore flotation experiments, X-ray photoelectron spectroscopy (XPS) energy spectrum analysis, contact angle testing, scanning electron microscopy-energy dispersive X-ray (SEM–EDS) analysis, phase diagram analysis, and first-principles calculations. The flotation results showed that the combined use of potassium permanganate and modified polyacrylamide produced a stronger inhibitory effect on arsenopyrite compared to their individual effects. Using potassium permanganate and modified polyacrylamide as the inhibitor system and butylamine black as the collector at pH 9, the recovery rates of antimony ore and arsenopyrite differed by more than 80 %. XPS measurements indicated that potassium permanganate caused severe oxidation of arsenopyrite surfaces, forming iron oxide/hydroxide, which facilitated the adsorption of modified polyacrylamide. Contact angle measurements showed that potassium permanganate rendered arsenopyrite surfaces more hydrophilic, whereas modified polyacrylamide increased the difference between the surfaces of antimonite and arsenopyrite. SEM–EDS testing analysed the oxidation degree and identified oxidation products on arsenopyrite surfaces, which were validated through phase diagram analysis. First-principles calculations revealed the adsorption inhibition mechanism of the reagents on the arsenopyrite surface.</div></div>","PeriodicalId":18594,"journal":{"name":"Minerals Engineering","volume":"227 ","pages":"Article 109285"},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143816424","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}

引用次数: 0