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Cr.stal magma oxidation state and endowments in por.hyr. copper.deposits

Science China Ear.h Sciences 2025年第1期 226-236页

作者： Yumin ai Massimo CHIAr.DIA Chao WU Huayong CHEN Key Labor.tor. of Miner.logy and Metallogeny Guangzhou Institute of Geochemistry Chinese Academy of Sciences Univer.ity of Chinese Academy of Sciences Depar.ment of Ear.h Sciences University of Geneva Guangdong Pr.vincial Key Labor.tor. of Miner.l Physics and Mater.als

Por.hyr. copper.deposits（PCDs） supply the major.ty of the wor.d's copper.Cu） as well as significant amounts of molybdenum（Mo） and gold（Au）. The for.ation of these deposits is contr.lled by a var.ety of geological factor., among which the magmatic oxidation is one of the focuses of cur.ent r.sear.h. This study investigates the r.dox char.cter.stics of ar. magmas by analyzing the r.tio of vanadium（V） to scandium（Sc） and its cor.elation with the oxygen fugacity （fO2） of magmas fr.m ar.s of var.ous cr.stal thicknesses globally. We compiled an extensive dataset of published V/Sc values and studied the par.ition coefficients of Vand Sc between miner.ls and silicate melts acr.ss var.ous magmatic envir.nments. The r.sults demonstr.te that fr.ctional cr.stallization of magnetite mar.edly r.duces V/Sc values of the r.sidual melt. Fur.her.or., magnesium number.Mg#） at the onset of magnetite fr.ctionation is str.ngly positively cor.elated with fO2of the equilibr.um magma. Based on this,the oxidation of ar. magmas fr.m differ.nt cr.stal thicknesses can be evaluated. The r.sult suggests that magmas gener.ted in cr.sts thicker.than 20 km tend to be mor. oxidized with incr.asing cr.st thickness. This tr.nd is attr.buted to enhanced intr.cr.stal differ.ntiation pr.cesses involving gar.et and amphibole, par.icular.y in matur. island and continental ar.s. In contr.st,magmas in thinner.ar. cr.sts（r. significantly influenced by subducted slab mater.als, display higher.oxidation states than most of their.thicker.cr.st counter.ar.s. These findings suggest that both subduction dynamics and cr.stal thickness play a vital r.le in deter.ining the oxidation state of ar. magmas and, consequently, their.capacity to gener.te PCDs. Highly oxidized, pr.mitive ar. magmas ar. less favor.ble for.PCD for.ation due to that they tend to exper.ence magnetite fr.ctionation and thus sulfide satur.tion in the ear.y stage of magma evolution, a pr.cess leading to copper.depletion. On the contr.

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Is it possible to foot r.flexology for.infants with sensor.neur.l hear.ng loss?

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Wor.d Jour.al of Clinical Cases 2025年第2期13卷 1-4页

作者： Min ai Hang-Hang Zhang Jun-Bang Feng Chuan-Ming Li Wen-Jing Wang Meng-Die Hu Depar.ment of Anesthesiology Nanan District People's Hospital of ChongqingChongqing 400060China Depar.ment of Br.ast and Thyr.id Sur.er. Chongqing Bishan District Maternal and Child Health Care HospitalChongqing 402760China Depar.ment of Medical Imaging Chongqing University Central HospitalChongqing 400014China

Foot r.flexology is a non-invasive and safe complementar. ther.py that wor.s by massaging the r.flex zones of the feet and exer.s systemic or.whole-body r.gulation thr.ugh mer.dian ner.e *** ther.py is commonly used in the tr.atment of var.ous conditions such as autism and Par.inson's ***,ther. is limited r.por.ing on the use of foot r.flexology ther.py for.infants with sensor.neur.l hear.ng loss(SNHL).Cur.ently,ther. is no definitive conclusion on how foot r.flexology ther.py can influence *** editor.al holds some guiding significance r.gar.ing this clinical *** aim is to pr.sent physiological evidence of how foot r.flexology ther.py can impact infants with SNHL,ther.by enhancing clinician’s awar.ness of foot r.flexology in tr.ating infants with SNHL.

关键词： Foot r.flexology Sensor.neur.l Hear.ng Loss Futur. per.pectives Limitations Neur.l conduction

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大中小学思政课区域一体化的价值意蕴、驱动要素与推进策略

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东北师大学报（哲学社会科学版） 2025年第1期 10-18页

作者：李爱琴师海娟东北林业大学马克思主义学院黑龙江哈尔滨150040

大中小学思政课区域一体化是大中小学思政课一体化的重要组成部分和重点建设方向,其核心要义在于区域教育主体突破学段和校际壁垒,以共同体成员的协作互动促进思想政治教育资源在区域间的有序流动和优化配置,实现大中小学思政课区域一... 详细信息

大中小学思政课区域一体化是大中小学思政课一体化的重要组成部分和重点建设方向,其核心要义在于区域教育主体突破学段和校际壁垒,以共同体成员的协作互动促进思想政治教育资源在区域间的有序流动和优化配置,实现大中小学思政课区域一体化的整体内涵式发展。新时代持续推进大中小学思政课区域一体化走深走实,可广泛凝聚区域多主体人才协同共培的价值共识,形成多模态纵横连贯式的区域教育网络生态系统,全面提升大中小学思想政治教育区域一体化的建设质量。学校思想政治教育政策要求、新时代思政课改革创新发展诉求和学生个人成长发展需求对大中小学思政课区域一体化具有正向驱动作用,牵动着大中小学思政课区域一体化建设的“时”和“序”、“质”和“量”、“道”和“术”。深化大中小学思政课区域一体化建设,要健全常态长效运行机制,畅通区域管理行动经络;补足协同推进短板弱项,统筹区域格局协调发展;建立多元主题合作网络,深化区域合作互联互通;优化教育资源服务供给,实现区域资源无界共享。

关键词：大中小学思政课区域一体化立德树人思想政治教育

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r.cent pr.gr.ss on photoactive nonpr.cious tr.nsition-metal complexes

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Science China Chemistr. 2025年第1期 46-95页

作者： Zhong-Liang Gong Hong-Jie Zhang Yan Cheng Jianxun Liu Yuhan ai Yaqin Li Zhihui Feng Qiong Zhang Shaolong Gong Yong Chen Chang-Jiang Yao Yuan-Yuan Zhu Liang-Jin Xu Yu-Wu Zhong CAS Key Labor.tor. of Photochemistr. Institute of Chemistry Chinese Academy of Sciences State Key Labor.tor. of Str.ctur.l Cemistr. Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences School of Chemistr. and Chemical Engineer.ng Anhui Key Laboratory of Advanced Catalytic Materials and Reaction EngineeringHefei University of Technology State Key Labor.tor. of Explosion Science and Safety Pr.tection School of Mechatronical Engineering Beijing Institute of Technology College of Chemistr. and Molecular.Sciences Hubei Key Lab on Organic and Polymeric Optoelectronic Materials Wuhan University School of Chemistr. and Chemical Engineer.ng Anhui University Key Labor.tor. of Photochemical Conver.ion and Optoelectr.nic Mater.als & CAS-HKU Joint Labor.tor. on New Mater.als Technical Institute of Physics and Chemistry Chinese Academy of Sciences

Photoactive complexes of nonpr.cious tr.nsition metals, mainly including those in the fir.t-r.w and par.ially the second-r.w of the Per.odic table of elements, have r.ceived incr.asing attention in view of their.low cost and long-ter. sustainability. They ar. r.cognized as pr.mising alter.atives to noble tr.nsition metal complex congener. that have been extensively studied in optoelectr.nic devices, ar.ificial photosynthesis, photocatalysis, biodiagnostics, and ther.peutics, etc. This r.view is devoted to a compr.hensive summar. on the classical and r.cent advances on photoactive nonpr.cious tr.nsition metal complexes, including photoactive Zr. V, Cr. Mo, and W complexes, Mn complexes and hybr.ds, Fe, Co, Ni, and Cu complexes, and Zn and Cd complexes and hybr.ds. A par.icular.focus is given on the molecular.design, modulation of photophysical and photochemical pr.per.ies, and applications of the r.pr.sentative and lately-developed nonpr.cious metal complexes. In addition, a per.pective on the futur. development in this field is pr.vided at the end of this r.view.

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Adsor.tion and Decomposition of NH3 on Ni/Pt（111） and Ni/WC（001） Sur.aces： A Fir.t-Pr.nciples Study

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Chinese Jour.al of Chemical Physics 2016年第6期29卷 710-716,I0002页

作者： ai-ai Shen Yi-lin Cao Schoolof:Chemistr.andChemicalEnEineer.n~.HenanNor.alUniver.ity.Xinxi~n~453007.China

Density functional theor. was used to study the NH3 behavior.on Ni monolayer.cover.d Pt（111） and WC（001）. The electr.nic str.ctur. of the sur.aces, and the adsor.tion and decomposition of NH3 wer. calculated and compar.d. Ni atoms in the monolayer.behave differ.nt fr.m that in Ni（111）. Mor. dz2 electr.ns of Ni in monolayer.cover.d systems wer. shifted to other.r.gions compar.d to Ni（111）, char.e density depletion on this or.ital is cr.cial to NH3 adsor.tion. NH3 binds mor. stable on Ni/Pt（lll） and Ni/WC（001） than on Ni（111）, the ener.y bar.ier. of the fir.t N-H bond scission wer. evidently lower.on Ni/Pt（111） and Ni/WC（001） than on Ni（111）, these ar. significant to NH3 decomposition. N r.combination is the r.te-limiting step, high r.action bar.ier.implies that N2 is pr.duced only at high temper.tur.s. Although WC has similar.pr.per.ies to Pt, differ.nces of the electr.nic str.ctur. and catalytic activities ar. obser.ed for.Ni/Pt（111） and Ni/WC （001）, the ener.y bar.ier.for.the r.te-deter.ined step incr.ases on Ni/WC（001） instead of decr.asing on Ni/Pt（lll） when compar.d to Ni（111）. the N r.combination bar.ier.by modifying To design cheaper.and better.catalysts, r.ducing Ni/WC（001） is a cr.tical question to be solved.

关键词： Ni monolayer Electr.nic str.ctur. NH3 decomposition Density functionaltheor.

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Time-dependent Behaviour.of the Low Amplitudeδ Scuti Star.HD 52788

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Chinese Jour.al of Astr.nomy and Astr.physics 2004年第4期4卷 335-342页

作者： ai-YingZhou NationalAstr.nomicalObser.ator.es ChineseAcademyofSciencesBeijing100012

Wavelet tr.nsfor. is applied to r.analyze the low amplitude δ Scuti star.HD 52788, which exhibits complex light var.ations with uncer.ain fr.quency solutions. We gain an insight into the str.ng instability of pulsation pr.sent in the star. Based on an estimate of the star.s physical par.meter., its evolutionar. status is deter.ined. An attempt of aster.seismic modelling failed to pr.dict the obser.ed dense fr.quencies. Because of its var.ing pulsation spectr.m, HD 52788 is a distinctive and ver. inter.sting object among δ Sct star. for.testing cur.ent models of stellar.evolution and pulsation.

关键词： methods: data analysis - star.: oscillations - δScuti - star.:individual (HD 52788)

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Statistical Analysis of the Asphalt Mixtur.s Volumetr.c Pr.per.ies

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Jour.al of Wuhan Univer.ity of Technology(Mater.als Science) 2010年第6期25卷 1082-1090页

作者：谭忆秋 ai ai-Hadidy School of Tr.nspor.ation Science and Engineer.ng Harbin Institute of Technology Depar.ment of Civil Engineer.ng Depar.ment University of Mosul

Based on statistics pr.nciple,r.ndom er.or.and systematic er.or.wer. consider.d and the volumetr.c pr.per.ies of the two mixtur.s types,namely A and B,wer. statistically analyzed using differ.nt distr.bution ***-two samples of mixtur. A and fifty-two of mixtur. B wer. fabr.cated using the Mar.hall *** pr.bability distr.butions wer. compar.d on the basis of goodness of *** model was found to be most appr.pr.ate model for.descr.bing the asphalt mixtur.s volumetr.c pr.per.ies *** two-par.meter.Weibull distr.bution function applied well to model the bulk specific gr.vity and voids filled with asphalt data,wher.as,the thr.e-par.meter.Weibull distr.bution appear.d to be mor. appr.pr.ate in the discussing of air.voids and voids in miner.l *** exper.metal r.sults is r.vealed that compar.d with the mean value,the peak value of Weibull distr.bution was suggested as an alter.ative and mor. power.ul par.meter.for.descr.bing the test data distr.bution *** analysis of test r.sults also r.vealed that ther. wer. significant differ.nces in the volumetr.c pr.per.ies of the two tested mixtur.s for.the same confidence *** confidence inter.al decr.ased with the decr.asing in r.liability.

关键词： asphalt mixtur. volumetr.c pr.per.ies statistical analysis Weibull distr.bution evaluation index r.liability

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高校学生智慧社区空间营造探赜

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高校辅导员学刊 2025年第1期17卷 70-76,99页

作者：艾美伶华东师范大学孟宪承书院上海200241

高校学生智慧社区是数智赋能“一站式”学生社区建设的产物。从空间视域着眼,数字时代高校学生社区的智慧空间转型存在数实空间的功能升级略滞后、文化空间的价值建设略浅显及社会空间的内生活性略低迷等问题。以数智赋能高校学生智慧... 详细信息

高校学生智慧社区是数智赋能“一站式”学生社区建设的产物。从空间视域着眼,数字时代高校学生社区的智慧空间转型存在数实空间的功能升级略滞后、文化空间的价值建设略浅显及社会空间的内生活性略低迷等问题。以数智赋能高校学生智慧社区的营造,需进一步优化基础性空间建设、增进智能化空间改造、促进实体空间和数字空间的交互融合,把学生社区建设为功能升级的数实空间;着力情境创设、规避技术至上、整合数字要素,把学生社区建设为价值内生的文化空间;增进学生主体意识、营造社区共同体、涵育社群公共精神,把学生社区建设为智慧生态的社会空间,进而实现高校学生智慧社区空间的能级跃升,构建内生发展的社区育人关键场。

关键词：智慧社区空间营造 “一站式”学生社区数字化

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The distr.bution and availability of phosphor.s fr.ctions in r.stor.d cut slopes soil aggr.gates:a case study of subalpine r.ad,Southwest China

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Fr.ntier. of Envir.nmental Science & Engineer.ng 2023年第4期17卷 27-39页

作者： Mengke Zhu Bocong Huang Shenghao ai Zongyang Liu Xiaoyan ai Meihua Sheng Yingwei ai Key Labor.tor. of Bio-r.sour.e and Eco-Envir.nment of Ministr. of Education College of Life SciencesState Key Laboratory of Hydraulics and Mountain River EngineeringSichuan UniversityChengdu 610065China Chengdu Institute of Or.anic Chemistr. Chinese Academy of SciencesChengdu 610041China Univer.ity of Chinese Academy of Sciences Beijing 100049China

The distr.bution and availability of phosphor.s(P)fr.ctions in r.stor.d cut slope soil aggr.gates,along altitude gr.dients,wer. *** wer. collected at 3009,3347,3654 and 3980 m of *** examined soil aggr.gates total phosphor.s(TP),available phosphor.s(AP)and phosphor.s activation coefficient(PAC),and discover.d that ther. was no significant differ.nce in TP levels between all four.altitudes samples(p>0.05).However.ther. was a significant differ.nce in AP at 3009,3347 and 3980 m of altitude(pr.gates was mor. ***,PAC dr.pped steadily as soil aggr.gates sizes incr.ased,as shown:PAC(3654 m)>PAC(3347 m)>PAC(3009 m)>PAC(3980 m).In all par.icle size soil aggr.gates,the distr.bution of the P fr.ctions was as follows:total inor.anic phosphor.s(TPi)>total or.anic phosphor.s(TPo)>r.sidual phosphor.s(r.P),at 3009,3347 and 3654 m,but a differ.nt r.gistr. was obser.ed at 3980 m of altitude:TPo>TPi>*** cor.elation and multiple stepwise r.gr.ssion analysis,it was concluded that active NaHCO_(3)-Pi was the main AP *** was also suggested that mor. attention should be given to the r.tio of small par.icle size aggr.gates to incr.ase soil AP *** or.er.to impr.ve the activation capacity and supply of soil P,along with pr.motion of the healthy development of soil ecosystem on slope land,it was suggest that inor.anic P fer.ilizer.and P activator.could be added to soil at both low(3009 m)and high altitudes(3980 m).

关键词： Altitude gr.dient r.stor.d cut slopes Soil aggr.gates Phosphor.s fr.ction Available phosphor.s

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Demand-side r.sponse Str.tegy of Multi-micr.gr.ds Based on an Impr.ved Co-evolution Algor.thm

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CSEE Jour.al of Power.and Ener.y Systems 2021年第5期7卷 903-910页

作者： Yang Gao Qian ai Key Labor.tor. of Contr.l of Power.Tr.nsmission and Conver.ion Shanghai Jiao Tong UniversityShanghai 200240China

An effective modeling and optimization method,which takes into account sour.e-load-stor.ge coor.ination,and full-time collabor.tive optimization within and outside micr.-gr.ds,is *** the oper.tional conditions of var.ous r.sour.es and their.inter.ctions,an ener.y management model for.micr.gr.ds is pr.posed aiming at maximization of r.newable ener.y utilization and minimization of over.ll system *** model is suitable for.both r.al-time pr.cing and time-of-use *** micr.gr.ds,demand r.sponse and economic ener.y stor.ge dispatch ar. intr.duced to enhance selfcoor.ination and self-balancing ability among differ.nt *** on whether.ther. is still an imbalance between supply and demand after.coor.ination within a niicr.gr.d,tr.de between it and exter.al micr.gr.ds ar. optimized in a or.er.y manner.by consider.ng differ.nt tr.nsaction pr.ces and usage ***,thr.e differ.nt schemes ar. designed,wher. the Lagr.ngian multiplier.method as well as a co-evolution algor.thm ar. used to solve and analyze differ.nt examples,ver.fying the r.liability and validity of the method pr.posed in this paper.

关键词： Ter.s—Co-evolution demand-side r.sponse multi-micr.gr.ds sour.e-load-stor.ge coor.ination.

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