Radiochemistry最新文献

筛选
英文 中文
Action of Oxidants on Neptunium(VI) in Acid Solutions 酸溶液中氧化剂对镎(VI)的作用
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030026
V. P. Shilov, A. M. Fedoseev
{"title":"Action of Oxidants on Neptunium(VI) in Acid Solutions","authors":"V. P. Shilov,&nbsp;A. M. Fedoseev","doi":"10.1134/S1066362225030026","DOIUrl":"10.1134/S1066362225030026","url":null,"abstract":"<p>In solutions with рН 1.5–2.5, terbium(IV) stabilized with unsaturated phosphotungstate anions P<sub>2</sub>W<sub>17</sub>O<sub>61</sub><sup>10–</sup> slowly oxidizes NpO<sub>2</sub><sup>2+</sup>·5H<sub>2</sub>O. The Np(VII) cation arising in the process preserves the surrounding of Np(VI), i.e., remains a pentagonal bipyramid. Therefore, the oxidation potential of the Np(VII)/(VI) couple is higher than that of the couple in which Np(VII) generated by acidification of the Np(VII) anion preserves the octahedral surrounding. High potential of Np(VII) with the structure of a pentagonal bipyramid makes Np(VII) unstable. We failed to obtain it using such strong oxidants as persulfate, perxenate, and xenon difluoride. Flash radiolysis may become an effective tool for oxidizing Np(VI) in deaerated solutions containing persulfate or ХеО<sub>3</sub> at рН 1.5–3.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"247 - 251"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study of the Radionuclide Diffusion in Clay Materials Taking into Account the Coupled Physicochemical Processes 考虑耦合物理化学过程的放射性核素在粘土材料中的扩散研究
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030117
K. V. Martynov, N. D. Andryushchenko, A. G. Volkova, E. V. Zakharova
{"title":"A Study of the Radionuclide Diffusion in Clay Materials Taking into Account the Coupled Physicochemical Processes","authors":"K. V. Martynov,&nbsp;N. D. Andryushchenko,&nbsp;A. G. Volkova,&nbsp;E. V. Zakharova","doi":"10.1134/S1066362225030117","DOIUrl":"10.1134/S1066362225030117","url":null,"abstract":"<p>The diffusion of manmade radionuclides in pore solutions of compacted clay materials is accompanied not only by the sorption retention on the surface of clay minerals, which is typical for many radionuclides, but also by other physicochemical processes occurring simultaneously. These processes, termed coupled, are associated mainly with the precipitation–dissolution of radionuclide compounds in pore solutions, as well as with the sorption–desorption of radionuclide particles on the surface of solid phases as a result of their diffusion transfer in the pore medium together with chemically contrasting components of leachates of technogenic materials used in the radioactive waste disposal. Without taking into account the coupled processes, it is impossible to correctly interpret the experimental results, as well as to reliably predict the migration of manmade radionuclides and justify the safety of radioactive waste disposal facilities.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"319 - 333"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of Radiological Hazards from Radon Gas in Vegetables Consumed in the Kurdistan Region of Iraq 伊拉克库尔德斯坦地区食用蔬菜中氡气的辐射危害评估
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030154
H. M. Qadr, K. O. Abdullah, A. M. Hussein, N. F. Salih
{"title":"Assessment of Radiological Hazards from Radon Gas in Vegetables Consumed in the Kurdistan Region of Iraq","authors":"H. M. Qadr,&nbsp;K. O. Abdullah,&nbsp;A. M. Hussein,&nbsp;N. F. Salih","doi":"10.1134/S1066362225030154","DOIUrl":"10.1134/S1066362225030154","url":null,"abstract":"<p>This study deals with radon concentrations and associated radiological hazard parameters due to ingestion of radon in vegetable samples collected randomly from eleven sites in the Ranya district, Iraq. An active detector (RAD7) was employed to monitor radon levels. The concentration of radon in the analyzed vegetable samples ranged from 6.23 to 33.20 Bq/m<sup>3</sup> with a mean value of 15.38 Bq/m<sup>3</sup>. These concentrations were significantly below the global average recommended by the International Commission on Radiological Protection (ICRP). The estimated mean annual effective doses for children and adults were 0.336 and 0.308 μSv/year, respectively, which were also lower than the global reference values. The mean excess lifetime cancer risks were calculated as 1.293 × 10<sup>–6</sup> for children and 1.186 × 10<sup>–6</sup> for adults, indicating levels within internationally accepted safety limits for human consumption. The findings highlight the importance of ongoing monitoring and suggest further research needed to assess the transfer mechanisms of radionuclides from soil to edible crops.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"378 - 384"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Release of Radionuclides into the Gas Phase from a LiCl–Li2O Salt Melt in the Step of the “Metallization” of Oxidized Spent Nuclear Fuel 氧化乏核燃料“金属化”步骤中从LiCl-Li2O盐熔体释放放射性核素进入气相
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030063
M. V. Skvortsov, L. V. Gezalyan, A. M. Koshcheeva, A. V. Ponizov, A. V. Rodin
{"title":"Release of Radionuclides into the Gas Phase from a LiCl–Li2O Salt Melt in the Step of the “Metallization” of Oxidized Spent Nuclear Fuel","authors":"M. V. Skvortsov,&nbsp;L. V. Gezalyan,&nbsp;A. M. Koshcheeva,&nbsp;A. V. Ponizov,&nbsp;A. V. Rodin","doi":"10.1134/S1066362225030063","DOIUrl":"10.1134/S1066362225030063","url":null,"abstract":"<p>The release of radionuclides into the gas phase from a LiCl–Li<sub>2</sub>O salt melt in the “metallization” operations in the course of pyrochemical reprocessing of spent nuclear fuel was studied. The experiments were performed at three temperatures characterizing the normal operation and violation of the normal conditions: 650, 750, and 850°С. Alkali and alkaline-earth elements showed the highest rate of the release into the gas phase, of the order of 10<sup>2</sup>–10<sup>3</sup> g/(m<sup>2</sup> h), whereas the target components (uranium, plutonium, and minor actinides) quantitatively remained in the form of insoluble oxides in the salt melt. The major fraction of the radionuclides released into the gas phase was adsorbed on the walls of the pumping system. In the case of violation of the normal operation conditions, cesium and strontium make the major contribution to the gas phase activity.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"276 - 283"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 the Efficacy of N-Succinimidyl 4-[18F]Fluorobenzoate ([18F]SFB) as a Synthon for Labeling Peptides, Illustrated by the Reaction with Glutathione 评价n -琥珀酰酰4-[18F]氟苯甲酸酯([18F]SFB)作为标记多肽的合成物的效果,并与谷胱甘肽反应
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030075
V. V. Orlovskaya, O. S. Fedorova, N. B. Viktorov, R. N. Krasikova
{"title":"Evaluation of the Efficacy of N-Succinimidyl 4-[18F]Fluorobenzoate ([18F]SFB) as a Synthon for Labeling Peptides, Illustrated by the Reaction with Glutathione","authors":"V. V. Orlovskaya,&nbsp;O. S. Fedorova,&nbsp;N. B. Viktorov,&nbsp;R. N. Krasikova","doi":"10.1134/S1066362225030075","DOIUrl":"10.1134/S1066362225030075","url":null,"abstract":"<p>The conjugation of <i>N</i>-succinimidyl-4-[<sup>18</sup>F]fluorobenzoate ([<sup>18</sup>F]SFB), a widely used radiosynthon for labeling biologically complex molecules for use as radiopharmaceuticals (RPs) in positron emission tomography (PET), with a model tripeptide, glutathione (GSH), was studied. [<sup>18</sup>F]SFB was prepared using the previously developed method of direct copper(II)-mediated radiofluorination of pinacol arylboronate as a labeling precursor. The efficiency of the conjugation of [<sup>18</sup>F]SFB, which was recovered from the reaction mixture by solid-phase extraction (SPE) on disposable cartridges, with GSH in an acetonitrile/phosphate buffered mixture with pH 8.4 depended on the ratio of the aqueous and nonaqueous phases and the peptide concentration. With equal volumes of the components (0.5 mL) and a GSH concentration of 1.0 mg/mL, the conjugation yield of 97% was achieved. This serves as further evidence of the efficiency of SPE purification, which removes chemical impurities that could otherwise compete in the conjugation reaction. This purification method using disposable cartridges can be easily adapted to any automated modules, including cassette ones. This contributes to the more effective use of [<sup>18</sup>F]SFB in synthesizing radiopharmaceuticals based on complex biomolecules.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"284 - 292"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of Lutetium with Solutions of 2-Ethylhexyl Hydrogen 2-Ethylhexylphosphonate in Hexane from Nitric Acid Solutions Containing Ytterbium 2-乙基己基膦酸2-乙基己基氢在己烷溶液中从含镱硝酸溶液中萃取镥
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S106636222503004X
K. S. Bobrovskaya, R. A. Kuznetsov, M. N. Lisova
{"title":"Extraction of Lutetium with Solutions of 2-Ethylhexyl Hydrogen 2-Ethylhexylphosphonate in Hexane from Nitric Acid Solutions Containing Ytterbium","authors":"K. S. Bobrovskaya,&nbsp;R. A. Kuznetsov,&nbsp;M. N. Lisova","doi":"10.1134/S106636222503004X","DOIUrl":"10.1134/S106636222503004X","url":null,"abstract":"<p>The extraction of lutetium with 0.5–2 M solutions of 2-ethylhexyl hydrogen 2-ethylhexylphosphonate (HEH[EHP]) in hexane from 0.5–2 M solutions of nitric acid containing ytterbium at a lutetium concentration of 0.57 mM (0.1 g/L) and lutetium to ytterbium concentration ratios from 1 : 1 to 1 : 50 was studied. The extraction mechanisms of both lanthanides are identical under the conditions studied. The effect of excess ytterbium on the distribution of lutetium during extraction is due to a decrease in the concentration of the free extractant. A model describing the dependence of the lutetium distribution ratio on the ytterbium concentration in the aqueous phase at various concentrations of the extractant and nitric acid is proposed; it satisfactorily agrees with the experimental data.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"259 - 267"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of Lanthanides(III) from Solutions of Mineral Acids with Solutions of N,N'-Dimethyl-N,N'-dicyclohexyldiglycolamide Complex with bis[(trifluoromethyl)sulfonyl]imide N,N'-二甲基-N,N'-双环己基二甘醇酰胺配合物-双[(三氟甲基)磺酰基]亚胺萃取无机酸溶液中的镧系元素(III
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030038
A. N. Turanov, V. K. Karandashev, V. E. Baulin, D. V. Baulin
{"title":"Extraction of Lanthanides(III) from Solutions of Mineral Acids with Solutions of N,N'-Dimethyl-N,N'-dicyclohexyldiglycolamide Complex with bis[(trifluoromethyl)sulfonyl]imide","authors":"A. N. Turanov,&nbsp;V. K. Karandashev,&nbsp;V. E. Baulin,&nbsp;D. V. Baulin","doi":"10.1134/S1066362225030038","DOIUrl":"10.1134/S1066362225030038","url":null,"abstract":"<p>Extraction of lanthanides(III) from aqueous solutions of nitric and perchloric acids and bis[(trifluoromethyl)sulfonyl]imide with solutions of <i>N</i>,<i>N </i>'-dimethyl-<i>N</i>,<i>N </i>'-dicyclohexyldiglycolamide in organic solvents was studied in relation to the concentration of acids in the aqueous phase. The stoichiometry of the extracted complexes was determined. It was found that the transformation of <i>N</i>,<i>N </i>'-dimethyl-<i>N</i>,<i>N </i>'-dicyclohexyldiglycolamide into a complex with bis[(trifluoromethyl)sulfonyl]imide leads to a significant increase in the extraction of lanthanide(III) ions from solutions of nitric, hydrochloric, sulfuric, and phosphoric acids.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"252 - 258"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Sodium Aluminum Iron Phosphate Glass Composition on Its Resistance to Leaching 磷酸铝铁钠玻璃组成对其抗浸出性能的影响
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030099
S. A. Fimina, K. Yu. Belova, S. E. Vinokurov
{"title":"Influence of Sodium Aluminum Iron Phosphate Glass Composition on Its Resistance to Leaching","authors":"S. A. Fimina,&nbsp;K. Yu. Belova,&nbsp;S. E. Vinokurov","doi":"10.1134/S1066362225030099","DOIUrl":"10.1134/S1066362225030099","url":null,"abstract":"<p>The influence of the content of structure-forming components of sodium aluminum iron phosphate glass on its phase composition, structure, and resistance to leaching at elevated temperatures as necessary characteristics of vitrified iron-containing high-level waste during its deep disposal was studied. It was found that the samples studied (mol %), 40.0Na<sub>2</sub>O–12.5Al<sub>2</sub>O<sub>3</sub>–12.5Fe<sub>2</sub>O<sub>3</sub>–35.0P<sub>2</sub>O<sub>5</sub>, 35.0Na<sub>2</sub>O–12.5Al<sub>2</sub>O<sub>3</sub>–12.5Fe<sub>2</sub>O<sub>3</sub>–40.0P<sub>2</sub>O<sub>5</sub>, and 35.0Na<sub>2</sub>O–10.0Al<sub>2</sub>O<sub>3</sub>–10.0Fe<sub>2</sub>O<sub>3</sub>–45.0P<sub>2</sub>O<sub>5</sub>, consist of a single amorphous glass phase and have high hydrothermal stability. The leach rate of sodium and phosphorus from the above samples under semidynamic (on the 28th day) and dynamic (on the 10th day) conditions at 90 and 95°C, respectively, was about 10<sup>−5</sup> g (cm<sup>2</sup> day), that of aluminum, within the range (2–10) × 10<sup>−6</sup> and (0.6–2) × 10<sup>−5</sup> g/(cm<sup>2</sup> day), respectively, and that of iron, within the range (7–12) × 10<sup>−7</sup> and (0.4–3) × 10<sup>−6</sup> g/(cm<sup>2</sup> day), respectively.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"303 - 311"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: Technetium-99m Labeling of Antineoplaston A10 and Its Bioevaluation as a Potential Tumor Imaging Agent 锝-99m标记抗肿瘤素A10及其作为潜在肿瘤显像剂的生物评价
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S106636222503018X
M. Dawood, B. G. Alani, K. S. Salim, L. A. Abou-Zeid, M. H. Aboumanie, M. A. Motaleb, K. M. Attallah, I. T. Ibrahim, Y. A. Hassan
{"title":"Erratum to: Technetium-99m Labeling of Antineoplaston A10 and Its Bioevaluation as a Potential Tumor Imaging Agent","authors":"M. Dawood,&nbsp;B. G. Alani,&nbsp;K. S. Salim,&nbsp;L. A. Abou-Zeid,&nbsp;M. H. Aboumanie,&nbsp;M. A. Motaleb,&nbsp;K. M. Attallah,&nbsp;I. T. Ibrahim,&nbsp;Y. A. Hassan","doi":"10.1134/S106636222503018X","DOIUrl":"10.1134/S106636222503018X","url":null,"abstract":"","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"411 - 411"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immobilization of Boron-Containing Radioactive Waste from Nuclear Power Plants in Magnesium Potassium Phosphate Compound 核电厂含硼放射性废物在磷酸镁钾化合物中的固定化研究
IF 1
Radiochemistry Pub Date : 2025-08-07 DOI: 10.1134/S1066362225030087
S. A. Fimina, N. D. Chalysheva, K. Yu. Belova, S. E. Vinokurov
{"title":"Immobilization of Boron-Containing Radioactive Waste from Nuclear Power Plants in Magnesium Potassium Phosphate Compound","authors":"S. A. Fimina,&nbsp;N. D. Chalysheva,&nbsp;K. Yu. Belova,&nbsp;S. E. Vinokurov","doi":"10.1134/S1066362225030087","DOIUrl":"10.1134/S1066362225030087","url":null,"abstract":"<p>Samples of magnesium potassium phosphate compound containing boron-containing evaporator bottom simulant after concentrating liquid radioactive waste from nuclear power plants were synthesized. The possibility of solidifying up to 14 wt % evaporator bottom simulant components into a compound containing 15–20 wt % wollastonite was demonstrated. The phase composition of the samples obtained, their compressive strength, resistance to thermal cycles, water resistance, and hydrolytic durability were determined. The integral <sup>137</sup>Cs leaching rate is 5.7 × 10<sup>−4</sup> g/(cm<sup>2</sup> day), and the leaching index is 10.7. The quality indicators of the compound obtained meet the regulatory requirements for a compound for solidifying radioactive waste.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"67 3","pages":"293 - 302"},"PeriodicalIF":1.0,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信