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Development of Cs separation methods from large amounts of soil samples to determine the 135Cs/137Cs isotope ratio 开发从大量土壤样本中分离铯的方法，以确定 135Cs/137Cs 同位素比率
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09749-3
Asako Shimada, Takehiko Tsukahara, Masao Nomura, Seiji Takeda
{"title":"Development of Cs separation methods from large amounts of soil samples to determine the 135Cs/137Cs isotope ratio","authors":"Asako Shimada, Takehiko Tsukahara, Masao Nomura, Seiji Takeda","doi":"10.1007/s10967-024-09749-3","DOIUrl":"https://doi.org/10.1007/s10967-024-09749-3","url":null,"abstract":"<p>Since the <sup>135</sup>Cs and <sup>137</sup>Cs concentration level of environmental soil in prefectures adjacent to Fukushima is low at about 5.5 × 10<sup>−15</sup> − 6 × 10<sup>−13</sup> g g<sup>−1</sup>, a large amount of soil is required to obtain sufficient amount to measure them precisely. Two Cs separation methods which allow to treat large amounts of leached soil solution were developed: 1) A continuous butch extraction method using calix[4]arene-bis(t-octylbenzo-crown-6) and 2) A combination method of selective Cs adsorption using ammonium phosphotangstate and anion-cation exchange resins. These methods were applied to low Cs concentration samples, and good precision of 0.8–2.1% in the measurement of <sup>135</sup>Cs/<sup>137</sup>Cs isotope ratio was obtained.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on precipitation and plugging mechanism in CO2 + O2 in-situ leaching of uranium in Nalinggou uranium deposit 那岭沟铀矿床 CO2 + O2 原地浸出铀过程中的沉淀和堵塞机理研究
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09693-2
Ting Chen, Jinhui Liu, Yihan Yang, Jianjun Zhang, Qi Xu, Liping Zhu
{"title":"Study on precipitation and plugging mechanism in CO2 + O2 in-situ leaching of uranium in Nalinggou uranium deposit","authors":"Ting Chen, Jinhui Liu, Yihan Yang, Jianjun Zhang, Qi Xu, Liping Zhu","doi":"10.1007/s10967-024-09693-2","DOIUrl":"https://doi.org/10.1007/s10967-024-09693-2","url":null,"abstract":"<p>In this paper, PHREEQC software was used to calculate the saturation index of insoluble minerals, the pH boundary values of precipitated CaCO<sub>3</sub>, and the boundary values of Ca<sup>2+</sup> and HCO<sub>3</sub><sup>−</sup> concentrations in relation to the uranium extraction process and the chemical composition of leaching in the Nalinggou uranium deposit. Based on the comparative analysis results of the mineral composition and chemical composition of the primary rock and the blockage, the formation of the blockage containing the mineral layer is mainly related to the pH-value and the corresponding ion concentration of the leaching solution, the sediment can be effectively avoided in the boundary value range.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation and statistical analysis between natural radioactivity and hazards in rocks from Kolar taluk, Karnataka 卡纳塔克邦 Kolar taluk 岩石中天然放射性与危害之间的相关性和统计分析
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09704-2
M. Suji, G. Shanthi
{"title":"Correlation and statistical analysis between natural radioactivity and hazards in rocks from Kolar taluk, Karnataka","authors":"M. Suji, G. Shanthi","doi":"10.1007/s10967-024-09704-2","DOIUrl":"https://doi.org/10.1007/s10967-024-09704-2","url":null,"abstract":"<p>Naturally occurring radionuclides rocks are one of the possible sources of indoor and outdoor radiation. Samples were taken from Kolar taluk in Karnataka in order to evaluate the radioactive hazards and natural radioactivity levels in those samples. The activity concentrations of <sup>226</sup>Ra, <sup>232</sup>Th, and <sup>40</sup>K in these samples were determined using NaI(Tl) gamma ray spectroscopy. The measured ranged from 5.05 to 171.43 (Bq kg<sup>-1</sup>); 5.04 to 274.64 (Bq kg<sup>-1</sup>); 287.23 to 2603.45 (Bq kg<sup>-1</sup>) for <sup>226</sup>Ra, <sup>232</sup>Th, and <sup>40</sup>K. In this study, the yearly effective radiation dosage, air absorbed gamma radiation dose rate, and hazard index (H<sub>in</sub>, H<sub>ex</sub>), gamma index, activity utilization index, annual gonald dose equivalent were estimated. The study’s demonstrate that potassium (<sup>40</sup>K), a naturally occurring radionuclide, is higher than radium and thorium. The levels of the computed radionuclides were compared to other places in Karnataka and world average value. The relationship between radionuclides was examined using correlation and statistical methods, radiation parameters were also computed. Information on background radioactivity levels and the impacts of radiation on locals in the research area under inquiry is what this study aims to deliver.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Feasibility of laser induced breakdown spectroscopy for quantification of zirconium in nuclear streams 激光诱导击穿光谱法量化核气流中锆的可行性
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09763-5
Satendra Kumar, S. Maji, K. Sundararajan
{"title":"Feasibility of laser induced breakdown spectroscopy for quantification of zirconium in nuclear streams","authors":"Satendra Kumar, S. Maji, K. Sundararajan","doi":"10.1007/s10967-024-09763-5","DOIUrl":"https://doi.org/10.1007/s10967-024-09763-5","url":null,"abstract":"<p>Laser induced breakdown spectroscopy is explored for the estimation of Zr in metallic fuel and pyrochemical reprocessing stream using filter paper as a sample substrate. Zr(II) emission line at 339.20 nm has been identified and used for its quantitative determination. Calibration curves are obtained after normalizing the intensity of Zr to C/Y emission lines as an internal standard, to get better linearity. Analytical capability of LIBS for Zr estimation is tested by comparing the measured value with ICP-OES in simulated samples. Good agreement between the measured values confirms the ability of LIBS application in nuclear streams.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142268849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
89Zr PET imaging guided validation of the medicinal potentiality of UiO-66 based nano drug delivery system 89Zr PET 成像引导验证基于 UiO-66 的纳米给药系统的药用潜力
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09723-z
Fuyuan Tan, Wenliang Li, Long Qiu, Jie Lyu, Haiyue Peng, Wenbing Ding, Jiali Liao, Yuanyou Yang, Ning Liu, Feize Li
{"title":"89Zr PET imaging guided validation of the medicinal potentiality of UiO-66 based nano drug delivery system","authors":"Fuyuan Tan, Wenliang Li, Long Qiu, Jie Lyu, Haiyue Peng, Wenbing Ding, Jiali Liao, Yuanyou Yang, Ning Liu, Feize Li","doi":"10.1007/s10967-024-09723-z","DOIUrl":"https://doi.org/10.1007/s10967-024-09723-z","url":null,"abstract":"<p>In this work, positron nuclide <sup>89</sup>Zr was introduced to verify the medical feasibility of UiO-66 as a medical nanodrug carrier via positron emission tomography-computed tomography (PET–CT) imaging. A radiopharmaceutical nanodrug, DOX@<sup>89</sup>Zr-UiO-66-PEG-FA, was well constructed through subsequent doxorubicin (DOX) encapsulation and surface PEGylation of UiO-66 nanocarrier radiolabeled with <sup>89</sup>Zr. Subsequently, tumoricidal effect of DOX@<sup>89</sup>Zr-UiO-66-PEG-FA in murine breast cancer (4T1) models had been evaluated. DOX@<sup>89</sup>Zr-UiO-66-PEG-FA has acceptable stability, excellent cargo loading rate (79.28%), pH-stimulated response property and high cancer cell binding affinity. As a result, PET–CT guided anticancer investigations reveal that DOX@<sup>89</sup>Zr-UiO-66-PEG-FA can well suppress tumor growth with satisfactory biosafety.</p><h3 data-test=\"abstract-sub-heading\">Graphic abstract</h3>\u0000","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating the metabolic alterations of metastatic and local prostate cancer patients via PET/CT assisted untargeted metabolomics approach 通过 PET/CT 辅助非靶向代谢组学方法研究转移性和局部前列腺癌患者的代谢变化
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09760-8
Adem Maman, Onur Senol
{"title":"Investigating the metabolic alterations of metastatic and local prostate cancer patients via PET/CT assisted untargeted metabolomics approach","authors":"Adem Maman, Onur Senol","doi":"10.1007/s10967-024-09760-8","DOIUrl":"https://doi.org/10.1007/s10967-024-09760-8","url":null,"abstract":"<p>Prostate cancer is a very common and widespread health problem all over the world. It mostly metastases into bone tissues and pathogenesis become more complicated. In this study, it is aimed to explain etiopathogenesis of local and metastatic prostate cancer via untargeted metabolomics approach. The study was conducted by arranging 36 eligible patients. Their metastasis level were monitored via <sup>68</sup>Ga-PSMA PET/CT. The large load of tumor cells mostly impacted phenylalanine, tyrosine, thiamin biosynthesis, aminoacyl t-RNA production, and energy metabolism. This PET/CT assisted metabolomics approach may lead to a new perspective on the pathogenesis of high tumour burden on metastasis.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Instrumental neutron activation analysis of Ghanaian hot pepper (Capsicum spp. l.) collections 加纳辣椒（辣椒属）藏品的仪器中子活化分析
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-19 DOI: 10.1007/s10967-024-09764-4
Stella K. Doku, Emmanuel K. Quartey, Samuel Amiteye, Joshua Sintim, Harry M. Amoatey, Joseph Nunoo, Rosemary Kusi-Adjei, Doris A. Dzimega, Abena Atuobi-Yeboah, John K. Ahiakpa, Nusrat T. Afful
{"title":"Instrumental neutron activation analysis of Ghanaian hot pepper (Capsicum spp. l.) collections","authors":"Stella K. Doku, Emmanuel K. Quartey, Samuel Amiteye, Joshua Sintim, Harry M. Amoatey, Joseph Nunoo, Rosemary Kusi-Adjei, Doris A. Dzimega, Abena Atuobi-Yeboah, John K. Ahiakpa, Nusrat T. Afful","doi":"10.1007/s10967-024-09764-4","DOIUrl":"https://doi.org/10.1007/s10967-024-09764-4","url":null,"abstract":"<p>The elemental composition of twenty hot pepper (<i>Capsicum spp.</i> L.) collections obtained from eight distinct agroecological locations across Ghana, were assessed by Instrumental Neutron Activation Analysis. The hot peppers fruits that were analysed contained five macroelements, Ca, Cl, K, Mg, Na, two microelements, Al, and Mn, and one trace element, Br. One collection from Volta region and three collections from the Northern region revealed elevated sodium contents in their fruits. In addition, the levels of Aluminium, Bromine, Calcium, Potassium and Sodium in fruits were found to be strongly positively correlated.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142252931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced removal of U(VI) by SnS2/NiCr-LDH under humic acid: synergistic effect and removal mechanism 腐殖酸条件下 SnS2/NiCr-LDH 对 U(VI)的强化去除：协同效应和去除机制
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-18 DOI: 10.1007/s10967-024-09751-9
Sen Lu, Yuqiang Yin, Jiacheng Bao, Hongqiang Wang, Zhiwu Lei, Eming Hu, Qi Xin, Yihao Quan, Qingliang Wang
{"title":"Enhanced removal of U(VI) by SnS2/NiCr-LDH under humic acid: synergistic effect and removal mechanism","authors":"Sen Lu, Yuqiang Yin, Jiacheng Bao, Hongqiang Wang, Zhiwu Lei, Eming Hu, Qi Xin, Yihao Quan, Qingliang Wang","doi":"10.1007/s10967-024-09751-9","DOIUrl":"https://doi.org/10.1007/s10967-024-09751-9","url":null,"abstract":"<p>In this study, tin sulphide (SnS<sub>2</sub>) and nickel–chromium hydrotalcite (NiCr-LDH) complexes (SnS<sub>2</sub>/NiCr-LDH) were used for the simultaneous removal of U(VI) and humic acid (HA) from U(VI)-containing wastewater. The results showed that the adsorption of HA by the SnS<sub>2</sub>/NiCr-LDH was greatly enhanced, which was 4.07 and 2.94 times higher than that of pure SnS<sub>2</sub> and NiCr-LDH, respectively, and the highest U(VI) adsorption quantity over SnS<sub>2</sub>/NiCr-LDH increased from 127.81 to 446.68 mg g<sup>−1</sup> when HA was present. Density functional theory (DFT) calculations revealed that the enhanced U(VI) adsorption on SnS<sub>2</sub>/NiCr-LDH was facilitated by the formation of a robust inner-sphere surface complex between U(VI) and HA.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of tritium, gross alpha and gross beta radioactivity levels in tap and bottled drinking water in Singapore 新加坡自来水和瓶装饮用水中的氚、总阿尔法和总贝塔放射性水平评估
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-16 DOI: 10.1007/s10967-024-09766-2
Jun Xiang Ong, Jonathan Zheng Ing Kok, Ken Kah Meng Lee, Kern Rei Chng, Yuansheng Wu, Joanne Sheot Harn Chan
{"title":"Evaluation of tritium, gross alpha and gross beta radioactivity levels in tap and bottled drinking water in Singapore","authors":"Jun Xiang Ong, Jonathan Zheng Ing Kok, Ken Kah Meng Lee, Kern Rei Chng, Yuansheng Wu, Joanne Sheot Harn Chan","doi":"10.1007/s10967-024-09766-2","DOIUrl":"https://doi.org/10.1007/s10967-024-09766-2","url":null,"abstract":"<p>With the aim of assessing the radiological impact on public health from water consumption, tritium and gross <i>α</i>-<i>β</i> radioactivity levels were determined in tap and bottled drinking water consumed in Singapore using ultra-low level liquid scintillation counting. Tritium and gross <i>α</i> activities were &lt; MDA values, while gross <i>β</i> activity levels varied between 0.228 and 0.258 Bq/L in tap water samples. For bottled drinking water, the activity concentrations of tritium, gross <i>α</i> and gross <i>β</i> ranged from &lt; MDA–1.59 Bq/L, &lt; MDA–0.437 Bq/L and &lt; MDA–1.33 Bq/L respectively. The annual total effective doses were also estimated for both children and adults due to intake of radionuclides from consumption of tap and bottled water. Our results showed that consumption of tap and bottled water presents insignificant radiological risk to the Singapore population.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatio-temporal variation mechanisms of hydrogen and oxygen isotopes in precipitation in eurasian continent under climate change 气候变化下欧亚大陆降水中氢、氧同位素的时空变化机制
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-16 DOI: 10.1007/s10967-024-09750-w
Qiaoxue Peng, Tao Zhang, Chengcheng Xia, Qing Xia, Qibing Zhou, Junxi Lin, Teng Tu, Junhao Li, Zhaoyu Zhang, Junbing Pu
{"title":"Spatio-temporal variation mechanisms of hydrogen and oxygen isotopes in precipitation in eurasian continent under climate change","authors":"Qiaoxue Peng, Tao Zhang, Chengcheng Xia, Qing Xia, Qibing Zhou, Junxi Lin, Teng Tu, Junhao Li, Zhaoyu Zhang, Junbing Pu","doi":"10.1007/s10967-024-09750-w","DOIUrl":"https://doi.org/10.1007/s10967-024-09750-w","url":null,"abstract":"<p>Spatio-temporal isotopic variations and the driving forces in precipitation were explored in Eurasian continent. The results showed that δ<sup>18</sup>O, d-excess and δ<sup>2</sup>H-δ<sup>18</sup>O regressions all presented pronounced spatial heterogeneities among different climate zones, with the distance to sea and the latitude identified as main geographic controls. The Mann-Kendall test revealed that significant temperature increases were observed at the majority (18/20) of the sites. However, δ<sup>18</sup>O did not universally exhibit the same upward trend (5/20 sites) as temperature although significant positive δ<sup>18</sup>O-temperature correlations existed at most (18/20) sites. The combined effects of multiple environmental factors complicated the interpretation of isotopic signals.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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