Highly evolved granite is an important sign of the mature continent crust and closely associated with deposits of rare metals.In this work,the authors undertake systematically zircon U-Pb ages and whole rock elemental...Highly evolved granite is an important sign of the mature continent crust and closely associated with deposits of rare metals.In this work,the authors undertake systematically zircon U-Pb ages and whole rock elemental data for highly evolved granitic intrusions from the Great Xing’an Range(GXR),NE China,to elucidate their discriminant criteria,spatial-temporal distribution,differentiation and geodynamic mecha-nism.Geochemical data of these highly evolved granites suggest that high w(SiO_(2))(>70%)and differentiation index(DI>88)could be quantified indicators,while strong Eu depletion,high TE_(1,3),lowΣREE and low Zr/Hf,Nb/Ta,K/Rb could only be qualitative indicators.Zircon U-Pb ages suggest that the highly evolved gran-ites in the GXR were mainly formed in Late Mesozoic,which can be divided into two major stages:Late Ju-rassic-early Early Cretaceous(162-136 Ma,peak at 138 Ma),and late Early Cretaceous(136-106 Ma,peak at 126 Ma).The highly evolved granites are mainly distributed in the central-southern GXR,and display a weakly trend of getting younger from northwest to southeast,meanwhile indicating the metallogenic potential of rare metals within the central GXR.The spatial-temporal distribution,combined with regional geological data,indicates the highly evolved Mesozoic granites in the GXR were emplaced in an extensional environ-ment,of which the Late Jurassic-early Early Cretaceous extension was related to the closure of the Mongol-Okhotsk Ocean and roll-back of the Paleo-Pacific Plate,while the late Early Cretaceous extension was mainly related to the roll-back of the Paleo-Pacific Plate.展开更多
Zircon U-Pb isotope dating and whole-rock geochemical analyses were undertaken for the rhyolite,rhyolitic lithic crystal tuff and dacitic tuff from the Manketouebo Formation in the Keyihe area,in order to constrain th...Zircon U-Pb isotope dating and whole-rock geochemical analyses were undertaken for the rhyolite,rhyolitic lithic crystal tuff and dacitic tuff from the Manketouebo Formation in the Keyihe area,in order to constrain their genesis and tectonic significance.Zircon LA-ICP-MS U-Pb data indicate that the rhyolite and rhyolitic lithic crystal tuff were formed during 137±5 Ma and 143±1 Ma,respectively.These volcanic rocks have high SiO2(70.03%–76.46%)and K2O+Na2O(8.10%–9.52%)contents,but low CaO(0.03%–0.95%)and MgO(0.07%–0.67%)contents,which belong to the peraluminous and high-K calc-alkaline rocks.They are enriched in light rare earth elements(REEs),and exhibit fractionation of light over heavy REEs,withδEu values of 0.37–0.83.The volcanic rocks are enriched in LILEs(e.g.,Rb,U and K)and depleted in HFSEs(e.g.,Nb,Ti,P and Ta).The chemical composition suggests that these volcanic rocks formed by partial melting of crust material.Combined with previous regional research results,the authors consider that the volcanic rocks of the Manketouebo Formation in the Keyihe area were formed under an extensional environment related to the closure of the Mongolia–Okhotsk Ocean.展开更多
Objectives:To discuss the mechanism of Sheng Yang San Huo decoction on diabetic peripheral neuropathy using the network pharmacology method.Methods:The BATMAN-TCM database,TCM-ID database,Chinese Natural Product Chemi...Objectives:To discuss the mechanism of Sheng Yang San Huo decoction on diabetic peripheral neuropathy using the network pharmacology method.Methods:The BATMAN-TCM database,TCM-ID database,Chinese Natural Product Chemical Composition Database,and TCMIP database were employed to screen the chemical active ingredients of each herb in Sheng Yang San Huo decoction based on the“Libinsky Drug Rules”.SwissTargetPrediction was used to screen effective action targets for each herb in the prescription.Additionally,Cytoscape 3.7.0 was utilized to construct a“drug-target”network.GeneCards,OMIM,and MaLaCards databases were utilized to gather targets related to diabetic peripheral neuropathy.VENNY 2.1 online platform was employed to match drug and disease targets,draw a Venn diagram,and construct a“drug-active compounds-common target”network using Cytoscape 3.7.0.gene ontology biological process analysis and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis for the targets were conducted using the DAVID 6.8 database.Enrichment analysis results were visualized using the OmicShareTool online platform.Molecular docking was performed using CB-Dock2.Results:Following screening,a total of 217 active compounds and 132 potential targets were identified in Sheng Yang San Huo decoction.The effects are primarily enriched in pathways such as Lipid and Atherosclerosis,AGE-RAGE signaling pathway in diabetic complications,and the IL-17 signaling pathway.The binding energy of the key active ingredients to the core protein targets of DPN was favorable.Conclusion:The study reveals the characteristics of multiple targets and pathways of Sheng Yang San Huo decoction,providing new insights for the clinical application of this prescription.展开更多
Shenghe Resources recently said in an investor survey that the company has a recycling plant in Jiangxi province,capable of processing NdFeB and phosphor slags.The 3,300-ton rare earth oxide project currently under co...Shenghe Resources recently said in an investor survey that the company has a recycling plant in Jiangxi province,capable of processing NdFeB and phosphor slags.The 3,300-ton rare earth oxide project currently under construction is also a recycling plant,and is expected to be completed and put into operation by the end of 2023.展开更多
Da Sheng Bian,a significant work on obstetrics and gynecology that emerged in the early Qing Dynasty,was initially published as“A Treatise on Midwifery”in 1842 by William Lockhart,a British missionary to China.In 18...Da Sheng Bian,a significant work on obstetrics and gynecology that emerged in the early Qing Dynasty,was initially published as“A Treatise on Midwifery”in 1842 by William Lockhart,a British missionary to China.In 1894,John G.Kerr,an American missionary,translated the text as“The Tat Shang Pin”.This paper conducts a comparative study of the two English translations using a self-constructed English-Chinese parallel corpus of Da Sheng Bian.The study explores the translation styles of the two translators by examining the token-types ratio and frequency at the lexical level,mean sentence length at the syntactic level,and the use of conjunctions at the discourse level.The observed differences in translation styles between the two translations are analyzed in relation to the translators’backgrounds and translation strategies.展开更多
目的:采用网络药理学和分子对接技术预测竹沥-生姜配伍治疗中风病的作用靶点,探讨其治疗中风病的潜在分子作用机制和有效物质。方法:利用PubChem、SwissTargetPrediction和UniProt数据库挖掘竹沥-生姜药对的潜在活性成分及药物靶点,通过...目的:采用网络药理学和分子对接技术预测竹沥-生姜配伍治疗中风病的作用靶点,探讨其治疗中风病的潜在分子作用机制和有效物质。方法:利用PubChem、SwissTargetPrediction和UniProt数据库挖掘竹沥-生姜药对的潜在活性成分及药物靶点,通过GeneCards数据库筛选疾病靶点。将药物靶点与疾病靶点匹配所得交集靶点导入STRING构建蛋白质-蛋白质相互作用网络。借助Cytoscape软件筛选关键靶点,将关键靶点与对应成分联系起来绘制网络图,筛选关键成分;对关键靶点进行基因本体论(GO)和京都基因与基因组百科全书(KEGG)富集分析。通过AutoDock软件对关键活性成分与潜在作用靶点进行分子对接验证。结果:筛选得到药组活性成分41个,相关靶点291个,中风病相关靶基因729个,以及竹沥-生姜药对治疗中风病的交集靶点67个。这些交集靶点主要参与细胞炎症反应、细胞活化、细胞免疫反应等过程,并与癌症的途径、脂质与动脉粥样硬化及糖尿病并发症中的晚期糖基化终末产物(Advanced Glycation EndProduct,AGE)-晚期糖基化终末产物受体(Receptor for Advanced Glycation End Products,RAGE)信号通路等相关。分子对接结果显示,竹沥、生姜的主要活性成分与中风病的潜在作用靶点间具有一定的结合活性。结论:竹沥-生姜可通过多成分、多靶点、多通路发挥对中风病的治疗作用。本研究为后续药理机制探索提供方向,为该药对临床应用提供了理论依据。展开更多
基金Supported by projects of the National Natural Science Foundation of China(Nos.92062216,41888101).
文摘Highly evolved granite is an important sign of the mature continent crust and closely associated with deposits of rare metals.In this work,the authors undertake systematically zircon U-Pb ages and whole rock elemental data for highly evolved granitic intrusions from the Great Xing’an Range(GXR),NE China,to elucidate their discriminant criteria,spatial-temporal distribution,differentiation and geodynamic mecha-nism.Geochemical data of these highly evolved granites suggest that high w(SiO_(2))(>70%)and differentiation index(DI>88)could be quantified indicators,while strong Eu depletion,high TE_(1,3),lowΣREE and low Zr/Hf,Nb/Ta,K/Rb could only be qualitative indicators.Zircon U-Pb ages suggest that the highly evolved gran-ites in the GXR were mainly formed in Late Mesozoic,which can be divided into two major stages:Late Ju-rassic-early Early Cretaceous(162-136 Ma,peak at 138 Ma),and late Early Cretaceous(136-106 Ma,peak at 126 Ma).The highly evolved granites are mainly distributed in the central-southern GXR,and display a weakly trend of getting younger from northwest to southeast,meanwhile indicating the metallogenic potential of rare metals within the central GXR.The spatial-temporal distribution,combined with regional geological data,indicates the highly evolved Mesozoic granites in the GXR were emplaced in an extensional environ-ment,of which the Late Jurassic-early Early Cretaceous extension was related to the closure of the Mongol-Okhotsk Ocean and roll-back of the Paleo-Pacific Plate,while the late Early Cretaceous extension was mainly related to the roll-back of the Paleo-Pacific Plate.
基金Supported by Project of National Natural Science Foundation of China(No.41872234)。
文摘Zircon U-Pb isotope dating and whole-rock geochemical analyses were undertaken for the rhyolite,rhyolitic lithic crystal tuff and dacitic tuff from the Manketouebo Formation in the Keyihe area,in order to constrain their genesis and tectonic significance.Zircon LA-ICP-MS U-Pb data indicate that the rhyolite and rhyolitic lithic crystal tuff were formed during 137±5 Ma and 143±1 Ma,respectively.These volcanic rocks have high SiO2(70.03%–76.46%)and K2O+Na2O(8.10%–9.52%)contents,but low CaO(0.03%–0.95%)and MgO(0.07%–0.67%)contents,which belong to the peraluminous and high-K calc-alkaline rocks.They are enriched in light rare earth elements(REEs),and exhibit fractionation of light over heavy REEs,withδEu values of 0.37–0.83.The volcanic rocks are enriched in LILEs(e.g.,Rb,U and K)and depleted in HFSEs(e.g.,Nb,Ti,P and Ta).The chemical composition suggests that these volcanic rocks formed by partial melting of crust material.Combined with previous regional research results,the authors consider that the volcanic rocks of the Manketouebo Formation in the Keyihe area were formed under an extensional environment related to the closure of the Mongolia–Okhotsk Ocean.
基金the 2022 Chongqing Natural Science Foundation(Postdoctoral Project)(CSTB2022NSCQ-BHX0690)the 2022 Chongqing Postdoctoral Innovation Talent Support Plan(CQBX202212)the 2023 Chongqing Science and Health Joint Medical Research Project(2023QNXM002).
文摘Objectives:To discuss the mechanism of Sheng Yang San Huo decoction on diabetic peripheral neuropathy using the network pharmacology method.Methods:The BATMAN-TCM database,TCM-ID database,Chinese Natural Product Chemical Composition Database,and TCMIP database were employed to screen the chemical active ingredients of each herb in Sheng Yang San Huo decoction based on the“Libinsky Drug Rules”.SwissTargetPrediction was used to screen effective action targets for each herb in the prescription.Additionally,Cytoscape 3.7.0 was utilized to construct a“drug-target”network.GeneCards,OMIM,and MaLaCards databases were utilized to gather targets related to diabetic peripheral neuropathy.VENNY 2.1 online platform was employed to match drug and disease targets,draw a Venn diagram,and construct a“drug-active compounds-common target”network using Cytoscape 3.7.0.gene ontology biological process analysis and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis for the targets were conducted using the DAVID 6.8 database.Enrichment analysis results were visualized using the OmicShareTool online platform.Molecular docking was performed using CB-Dock2.Results:Following screening,a total of 217 active compounds and 132 potential targets were identified in Sheng Yang San Huo decoction.The effects are primarily enriched in pathways such as Lipid and Atherosclerosis,AGE-RAGE signaling pathway in diabetic complications,and the IL-17 signaling pathway.The binding energy of the key active ingredients to the core protein targets of DPN was favorable.Conclusion:The study reveals the characteristics of multiple targets and pathways of Sheng Yang San Huo decoction,providing new insights for the clinical application of this prescription.
文摘Shenghe Resources recently said in an investor survey that the company has a recycling plant in Jiangxi province,capable of processing NdFeB and phosphor slags.The 3,300-ton rare earth oxide project currently under construction is also a recycling plant,and is expected to be completed and put into operation by the end of 2023.
基金Phased research results of“The Research and Practice of International Communication Ability Training of English Students”(Approval No.HNJG-2022-0678)。
文摘Da Sheng Bian,a significant work on obstetrics and gynecology that emerged in the early Qing Dynasty,was initially published as“A Treatise on Midwifery”in 1842 by William Lockhart,a British missionary to China.In 1894,John G.Kerr,an American missionary,translated the text as“The Tat Shang Pin”.This paper conducts a comparative study of the two English translations using a self-constructed English-Chinese parallel corpus of Da Sheng Bian.The study explores the translation styles of the two translators by examining the token-types ratio and frequency at the lexical level,mean sentence length at the syntactic level,and the use of conjunctions at the discourse level.The observed differences in translation styles between the two translations are analyzed in relation to the translators’backgrounds and translation strategies.
文摘目的:采用网络药理学和分子对接技术预测竹沥-生姜配伍治疗中风病的作用靶点,探讨其治疗中风病的潜在分子作用机制和有效物质。方法:利用PubChem、SwissTargetPrediction和UniProt数据库挖掘竹沥-生姜药对的潜在活性成分及药物靶点,通过GeneCards数据库筛选疾病靶点。将药物靶点与疾病靶点匹配所得交集靶点导入STRING构建蛋白质-蛋白质相互作用网络。借助Cytoscape软件筛选关键靶点,将关键靶点与对应成分联系起来绘制网络图,筛选关键成分;对关键靶点进行基因本体论(GO)和京都基因与基因组百科全书(KEGG)富集分析。通过AutoDock软件对关键活性成分与潜在作用靶点进行分子对接验证。结果:筛选得到药组活性成分41个,相关靶点291个,中风病相关靶基因729个,以及竹沥-生姜药对治疗中风病的交集靶点67个。这些交集靶点主要参与细胞炎症反应、细胞活化、细胞免疫反应等过程,并与癌症的途径、脂质与动脉粥样硬化及糖尿病并发症中的晚期糖基化终末产物(Advanced Glycation EndProduct,AGE)-晚期糖基化终末产物受体(Receptor for Advanced Glycation End Products,RAGE)信号通路等相关。分子对接结果显示,竹沥、生姜的主要活性成分与中风病的潜在作用靶点间具有一定的结合活性。结论:竹沥-生姜可通过多成分、多靶点、多通路发挥对中风病的治疗作用。本研究为后续药理机制探索提供方向,为该药对临床应用提供了理论依据。