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Nano-Micro Letters 2023年第10期15卷 151-162页

作者： Ding Chen Ruihu Lu Ruohan Yu Hongyu Zhao dulan wu Youtao Yao Kesong Yu Jiawei Zhu Pengxia Ji Zonghua Pu Zongkui Kou Jun Yu Jinsong wu Shichun Mu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People’s Republic of China NRC(Nanostructure Research Centre) Wuhan University of TechnologyWuhan 430070People’s Republic of China

Precisely tuning the spacing of the active centers on the atomic scale is of great significance to improve the catalytic activity and deepen the understanding of the catalytic mechanism,but still remains a ***,we develop a strategy to dilute catalytically active metal interatomic spacing(d_(M-M))with light atoms and discover the unusual adsorption *** example,by elevating the content of boron as interstitial atoms,the atomic spacing of osmium(d_(Os-Os))gradually increases from 2.73 to 2.96?.More importantly,we find that,with the increase in dOs-Os,the hydrogen adsorption-distance relationship is reversed via downshifting d-band states,which breaks the traditional cognition,thereby optimizing the H adsorption and H_2O dissociation on the electrode surface during the catalytic process;this finally leads to a nearly linear increase in hydrogen evolution reaction ***,the maximum dOs-Os of 2.96?presents the optimal HER activity(8 mV@10 mA cm^(-2))in alkaline media as well as suppressed O adsorption and thus promoted *** is believed that this novel atomic-level distance modulation strategy of catalytic sites and the reversed hydrogen adsorption-distance relationship can shew new insights for optimal design of highly efficient catalysts.

关键词： Electrocatalysis DFT calculation Interstitial filling Hydrogen evolution Structure–activity relationships

Tunable Ru-Ru2P heterostructures with charge redistribution for efficient pH-universal hydrogen evolution

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InfoMat 2022年第5期4卷 164-173页

作者： Ding Chen Ruohan Yu Ruihu Lu Zonghua Pu Pengyan Wang Jiawei Zhu Pengxia Ji dulan wu Jinsong wu Yan Zhao Zongkui Kou Jun Yu Shichun Mu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Xianhu Hydrogen ValleyFoshanChina Nanostructure Research Centre(NRC) Wuhan University of TechnologyWuhanChina State Key Laboratory of Silicate Materials for Architectures International School of Materials Science and EngineeringWuhan University of TechnologyWuhanChina

Designing synergistic heterogeneous catalytic interfaces is the key to developing highly compatible pH-universal electrocatalysts for complex chemical envi*** theoretical calculation results demonstrate that the Ru-Ru2P heterointerface can not only promote the redistribution of charges,but also reduce the d-band center,and then enhances the adsorption capacity of the key ***,in situ and facile synthesis of Ru-Ru2P heterostructures is severely limited by thermodynamic ***,we propose a molten salt-assisted catalytic synthesis scheme,and successfully build a series of homologous metallic Ru-Ru2P heterostructure catalysts with different molar ratios of Ru to P under atmospheric pressure and low-temperature(400C).The resultant Ru-Ru2P with rich heterostructures show the Pt-like HER performance in different pH ***,it is prominent under alkaline conditions(18 mV@10 mA cm^(2)),which outperforms the Pt catalyst(37 mV@10 mA cm^(2)).Furthermore,Ru-Ru2P heterostructures also show certain potential in the electrolysis of seawater to produce *** work represents a significant supplement of high-efficiency pH-universal HER catalysts,and provides a new light on interface engineering in energy technology fields and beyond.

关键词： DFT calculation heterostructure molten salt-assisted synthesis pH-universal hydrogen evolution ruthenium phosphide

Famous traditional Mongolian medicine Xieriga-4(Turmeric-4)decoction:A review

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Chinese Herbal Medicines 2022年第3期14卷 385-391页

作者： dulan Bagenna Huan Wang Yuanyuan wu Ling Ling Anggelima NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine(Mongolian Medicine) Key Laboratory of Quality Control of Traditional Chinese Medicine(Mongolian Medicine)State Food and(Drug Administration)College of Mongolian MedicineInner Mongolia Minzu UniversityTongliao 028000China

Xieriga-4 Decoction,composed of dried rhizomes of Curcumae longae,barks of Phellodendron chinense or Phellodendron amurense,fruits of Cardenia jasminoides,and fruits of Tribulus terrestris,is a famous prescription of traditional Mongolian medicine for the treatment of urinary system diseases such as frequent urination,urgent urination,urine occlusion,hematuria,bladder irritation and *** paper reviewed Xieriga-4 Decoction from the aspects of historical description,prescription principle,chemical components,pharmacology,clinical application and quality control.

关键词： frequent urination renal protection urinary system diseases Xieriga-4 Decoction

青海沟里地区斜长角闪岩锆石U-Pb年代学、Lu-Hf同位素特征及其指示意义

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吉林大学学报（地球科学版） 2024年第3期54卷 862-876页

作者：吴胜宝孙国胜李雪孙九达齐雨宁王卓一马冬吉林大学地球科学学院长春130061

东昆仑造山带金水口群的沉积和变质时代一直存在争议。本文利用LA-ICP-MS技术对青海省都兰县沟里地区金水口群中的斜长角闪岩进行了锆石U-Pb年代学、Lu-Hf同位素研究。结果显示:斜长角闪岩中6个测点的碎屑锆石年龄集中在2.1~2.0 Ga之间... 详细信息

东昆仑造山带金水口群的沉积和变质时代一直存在争议。本文利用LA-ICP-MS技术对青海省都兰县沟里地区金水口群中的斜长角闪岩进行了锆石U-Pb年代学、Lu-Hf同位素研究。结果显示:斜长角闪岩中6个测点的碎屑锆石年龄集中在2.1~2.0 Ga之间,碎屑锆石最小年龄为1829 Ma,变质锆石的上交点年龄为(1905±300)Ma,误差较大,但暗示金水口群沉积时间漫长,沉积时代不晚于中元古代早期,故本文认为金水口群沉积时代在1800 Ma左右;年龄集中于2100 Ma的碎屑锆石具有麻粒岩相变质锆石特征。变质锆石年龄集中于450~420 Ma之间,12个点的加权平均年龄为(444.3±5.3)Ma,为早古生代,该年龄与东昆仑造山带响应原特提斯洋俯冲拼合并发生区域深熔作用的年龄基本一致;锆石^(176)Lu/^(177)Hf值较低,变质锆石ε_(Hf)(t)值为-35.41~-3.75,T_(DM2)介于3641~1666 Ma之间,源岩物质为古老地壳再循环的产物;古元古代碎屑锆石ε_(Hf)(t)值为-2.98~25.58,T_(DM2)介于2833~920 Ma之间,源区为来源于亏损地幔的陆壳,与太古宙TTG岩系相似,暗示阿尔金地块的TTG岩系为金水口群提供了部分物质来源。金水口群沉积于活动大陆边缘或初始裂谷盆地,上部沉积盖层冰沟群与万宝沟群沉积于浅海陆棚,沉积过程具有连续性。

关键词：金水口群斜长角闪岩锆石U-Pb定年锆石Lu-Hf同位素分析东昆仑造山带

Zircon Record of Ocean-Continent Subduction Transition Process of dulan UHPM Belt, North Qaidam

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Journal of Earth Science 2015年第5期26卷 617-625页

作者： Jianzhou Yang Xiaochi Liu Yuanbao wu Yanling Sun Department of Earth Sciences China University of GeosciencesWuhan State Key Laboratory of Lithospheric Evolution Institute of Geology and Geophysics Chinese Academy of Sciences

The North Qaidam UHPM（ultra-high pressure metamorphism） belt is a typical continental subduction-collision belt containing continental crust deep subduction metamorphic products and oceanic crust relics, And it is an ideal region to study the ocean-continent transition and exhumation mechanism of oceanic UHP rocks during continental deep subduction process. In this paper, we report integrated in situ U-Pb, Lu-Hf and O isotope analyses of zircons from a serpentinized harzburgite as well as U-Pb dating for zircons from a kyanite eclogite from the North Qaidam dulan UHPM terrane, and use these data to discuss the ocean-continent transition and exhumation mechanisms of oceanic UHP rocks during continental deep subduction. The serpentinized harzburgite was dated at 448±9 Ma, consistent with 455±5 Ma age for the kyanite eclogite within analytical errors. Zircons from the serpentinized harzburgite have uniform 176Hf/177 Hf values ranging from 0.282 842 to 0.282 883 and εHf（t） values from 11.6 to 13.3. Zircon δ^18O values of the serpentinized harzburgite vary from 4.47‰ to 5.29‰, slightly lower than the value of 5.3‰±0.6‰ for the normal mantle zircon. These Hf-O isotopic features indicate that the protolith of the serpentinized harzburgite was derived from depleted-mantle source, and might have experienced high-temperature rock-water interaction. Therefore, the serpentinized harzburgite was possibly located in the lower part of an oceanic section. The serpentinized harzburgite and kyanite eclogite were both formed due to the subduction of oceanic crust. The UHP metamorphism occurred successively from the oceanic crust to continental crust rocks of the North Qaidam UHP terrane. Low-density serpentinized peridotite and continental rocks possibly have negative buoyancy and play a key effect on preservation and exhumation of high-density oceanic eclogite.

关键词： continental deep subduction ocean-continent transformation North Qaidam harzburgite eclogite

Zircon SHRIMP U-Pb dating of granites from dulan and the chronological framework of the North Qaidam UHP belt, NW China

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Science China Earth Sciences 2014年第10期57卷 2945-2965页

作者： wu CaiLai GAO YuanHong LI ZhaoLi LEI Min QIN HaiPeng LI MinZe LIU ChunHua Ronald B FROST Paul T ROBINSON Joseph L WOODEN State Key Laboratory of Continental Tectonics and Dynamics Institute of Geology Chinese Academy of Geological Sciences University of Wyoming Department of Earth and Environmental Sciences Stanford University

Zircon SHRIMP dating of granites from dulan,east segment of North Qaidam UHP belt shows that they are 406.6±3.5 Ma for Yematan-E,407.3±4.3 and 397±6 Ma for Balijiehatan-W,404.5±4.0 and 397.0±3.7 Ma for Shuiwenzhan-N,380.5±5.0 Ma for Shuiwenzhan-S,382.5±3.6 and 372.5±2.8 Ma for *** granites from dulan represent the products of the third and fourth periods of Paleozoic magmatism in North ***,the granitoids with metalumious to weak peratuminous are quartz diorite,granodiorite,and granite in composition and mainly belong to calc-alkaline series,a few samples to calc or alkali-calc *** third period of granites is a rock association of granodiorite+granite,with initial 87Sr/86Sr ratios from 0.7082 to 0.7110 and T2DM model ages from 1.41–1.90 Ga;and the fourth period of granites is a rock association of quartz diorite+granodiorite+granite,with initial 87Sr/86Sr ratios from 0.7072 to 0.7091 and T2DM model ages from 1.07–1.38 ***,the third period of granites has higher initial 87Sr/86Sr ratios and T2DM model *** the contrary,the fourth period of granites has Nd(t)values from 0.6 to-3.0,higher than that of the third granite with Nd(t)values-3.2 ***,the data comparison indicates that the third granites may derive from Paleo-proterzoic continental crust with mantle material whereas the fourth granites may derive from the Meso-proterzoic basalt crust with continental *** with regional geology,we thought that the third granites were formed relative to plate exhumation and the fourth granites to delamination of the lithospheric mantle.

关键词： granite zircon SHRIMP U-Pb dating dulan

柴达木北缘乌兰地区花岗岩岩石地球化学特征及成因

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地质论评 2017年第3期63卷 597-615页

作者：吴迪吴才来雷敏李天啸中国地质大学北京100083 中国地质科学院地质研究所北京100037

柴达木北缘乌兰地区花岗岩类大多数为镁质类型钙碱性系列,少数为铁质类型碱钙性和碱性系列。其中,早期花岗岩类不仅富集大离子亲石元素,而且还富集部分高场强元素(Zr、Y、Nb等),属A型花岗岩;晚期花岗岩类以富集大离子亲石元素,亏损高场... 详细信息

柴达木北缘乌兰地区花岗岩类大多数为镁质类型钙碱性系列,少数为铁质类型碱钙性和碱性系列。其中,早期花岗岩类不仅富集大离子亲石元素,而且还富集部分高场强元素(Zr、Y、Nb等),属A型花岗岩;晚期花岗岩类以富集大离子亲石元素,亏损高场强元素为特征,稀土元素以富集轻稀土、且轻稀土分异明显重稀土分异不明显、不具有或具有弱的负Eu异常为特征,属I型花岗岩。同位素地球化学研究表明,早期花岗岩类的n(^(87)Sr)/n(^(86)Sr)值为0.7108和Nd模式年龄(T_(2DM))2.10Ga,高于晚期花岗岩(0.7076~0.7107,T_(2DM)=1.41~1.58Ga),但晚期花岗岩的ε_(Nd)(t)值(-11.6)低于早期花岗岩(-4.8^-6.8),表明早期花岗岩可能起源于古元古代的大陆地壳,而晚期花岗岩起源于中元古代玄武质地壳,结合区域地质构造特征,笔者等认为,早期花岗岩类的形成与祁连岩石圈拆沉导致欧龙布鲁克陆块北缘减薄、拉伸有关,也标志着宗雾隆裂陷的开始;而晚期花岗岩类的形成可能与宗雾隆洋壳向南俯冲于欧龙布鲁克陆块之下有关。

关键词：花岗岩地球化学 Sr-Nd同位素岩石成因乌兰

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青海都兰地电场地震异常统计特征研究

地震工程学报 2023年第3期45卷 574-584页

作者：付阿龙安张辉范莹莹侯泽宇吴优中国地震局兰州地震研究所甘肃兰州730000 甘肃兰州地球物理国家野外科学观测研究站甘肃兰州730000 四川省地震局四川成都610000

在地震孕育发生过程中,不同频率地电场观测出现异常现象已有相关报道,但地电场不同频率成分与地震震级(能量)的相关性统计特征仍不清晰。文章基于小波变换对都兰台地电场观测资料进行分析处理,使用滑动相关性方法对地电场不同频率成分... 详细信息

在地震孕育发生过程中,不同频率地电场观测出现异常现象已有相关报道,但地电场不同频率成分与地震震级(能量)的相关性统计特征仍不清晰。文章基于小波变换对都兰台地电场观测资料进行分析处理,使用滑动相关性方法对地电场不同频率成分与台站周围400 km范围内地震事件进行分析研究,并以青海玛多M S7.4地震前后大地电场优势方位角计算结果进行回溯性检验。结果表明:(1)都兰地电场不同频率成分不仅在地震孕育发生过程中会出现异常现象,而且出现异常的频率与地震事件震级(能量)存在一定关联性:高频成分(3.4 h和8 h)与<5.0及≥5.0两个地震序列的地震事件均有关联性,其中与<5.0在震前约25(±5)天、10天和5天相关性异常显著,与≥5.0在震前约55天、35天、15天和5天相关性异常显著,而低频成分(24 h)则仅与≥5.0地震序列中的地震事件在约55、35、20及5天左右出现较强的相关性;(2)玛多M S7.4地震前,都兰地电场低频成分(24 h)的大地电场优势方位角在地震前约55(±5)、20(±5)天左右出现明显异常现象,其出现的时间与相关性统计特征具有较高的一致性,原因可能是孕震断层与日、月潮汐作用相互耦合。地电场低频成分与中强震之间的相关性特征对破坏性地震的分析研究具有一定借鉴作用,但要厘清地电场地震异常的统计特征,则需要积累更多观测资料和典型震例。

关键词：地电场相关性统计小波变换滑动相关性大地电场优势方位角

焦家金矿巷道围岩松动圈测试与破碎岩体支护技术

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金属矿山 2019年第12期48卷 56-61页

作者：张忠辉安龙吴大伟吴超深部金属矿山安全开采教育部重点实验室辽宁沈阳110819 青海山金矿业有限公司青海都兰816100

为了准确测定破碎蚀变岩体条件下巷道围岩松动圈范围,选择合理的支护方案与参数,本项目以山东黄金集团焦家金矿为依托矿山开展研究。联合采用岩体超声探测与数字全景钻孔摄像手段,获得了焦家金矿破碎岩体条件下的巷道围岩松动圈范围为1.... 详细信息

为了准确测定破碎蚀变岩体条件下巷道围岩松动圈范围,选择合理的支护方案与参数,本项目以山东黄金集团焦家金矿为依托矿山开展研究。联合采用岩体超声探测与数字全景钻孔摄像手段,获得了焦家金矿破碎岩体条件下的巷道围岩松动圈范围为1.0~1.3 m。开展焦家金矿现场岩体质量分级,基于分级结果计算破碎蚀变岩体所需支护载荷大小。计算结果表明,在破碎岩体条件下围岩所需支护载荷为51.08~76.17 kPa。依据围岩松动圈测试结果以及围岩支护载荷计算结果,初步确定焦家金矿破碎蚀变岩体应采用管缝锚杆+金属网+喷射混凝土联合支护方案,管缝锚杆长1.8 m,设计锚杆间距为1.0 m,排距为1.2 m,喷射混凝土厚度为50 mm。在此基础上,开展支护方案的现场工业试验,由巷道围岩连续收敛监测结果表明,当应用管缝锚杆+金属网+喷射混凝土联合方案支护后,巷道围岩收敛变形在6个月内不再增长,可有效保证焦家金矿巷道围岩在服务周期内的稳定性。

关键词：破碎矿体围岩松动圈锚网支护超声波探测收敛监测

地块尺度下青海省都兰县耕地土壤养分的空间自相关分析

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中国农学通报 2023年第21期39卷 94-102页

作者：杜健潘雪武均蔡立群甘肃农业大学资源与环境学院兰州730070 甘肃农业大学甘肃省干旱生境作物学重点实验室兰州730070 甘肃省节水农业工程技术研究中心兰州730070

对青海省都兰县耕地土壤pH和6种养分指标(有机质、有效磷、速效钾、全氮、全磷、全钾)进行空间自相关分析,并进一步分析其空间聚集和孤立情况。以此研究结果为理论依据,以期提高都兰县农田土壤肥料利用率,实现精准农业奠定基础。经野外... 详细信息

对青海省都兰县耕地土壤pH和6种养分指标(有机质、有效磷、速效钾、全氮、全磷、全钾)进行空间自相关分析,并进一步分析其空间聚集和孤立情况。以此研究结果为理论依据,以期提高都兰县农田土壤肥料利用率,实现精准农业奠定基础。经野外采样后依据NY/T 1121等现行有效标准开展土壤样品检测工作。将全域型空间自相关和局域型空间自相关相结合,分析研究区耕地土壤各指标的空间分布格局,及空间聚集情况。结果表明:研究区耕地土壤pH、有机质、有效磷、速效钾、全氮、全磷、全钾的平均值分别为8.12、17.90 g/kg、19.00 mg/kg、123.00 mg/kg、0.80 g/kg、0.80 g/kg、17.85 g/kg。全域型空间自相关在Inverse_Distance权重下,pH、有机质、全磷、全钾为空间正自相关;速效磷、速效钾和全氮为空间负自相关。Contiguity_Edges_Only和Contiguity_Edges_Coeners权重下的分析结果相同,pH、有机质、速效钾、全氮、全磷、全钾呈空间正自相关;速效磷呈空间负自相关。局域型空间自相关通过LISA聚集图,直观地得到研究区耕地土壤不同指标含量分布的聚集区和孤立区的具体位置。海拔高度与速效磷、速效钾、全氮、全磷和全钾呈负相关;坡度与速效磷、全氮和全磷呈负相关;坡向对研究区耕地土壤养分空间格局影响相对较小。全域型空间自相关分析选择不同的空间权重,对分析结果的影响较大。经局域型空间自相关分析,全氮、全磷和全钾的低含量区分布在都兰县东部的察乌苏镇和夏日哈镇,即出现了“低—低”聚集区“,高—高”聚集区出现在都兰县中部的巴隆乡和香日德镇;有机质在都兰县东部的察乌苏镇和夏日哈镇的含量较高,出现了“高—高”聚集区“,低—低”聚集区出现在宗加镇。不同地形因子与土壤养分之间的相关性存在明显的差异。

关键词：耕作层空间自相关土壤养分含量地块尺度都兰县