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Trace element geochemistry and Sr-Nd characteristics of Mesoproterozoic mafic intrusive rock. from Rondonia, Brazil, SW Amazonian Craton： Petrogenetic and tectonic inferences

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Episodes 2008年第4期31卷 392-400页

作者： Girardi, V.A. V. Teixeira, W. Bettencourt, J.S. Andrade, S. Navarro, M.S. sato, k. Instituto de Geociencias Universidade de Sao Paulo Rua do Lago 562. CEP 05508-080 Cidade Universitada S. Paulo Brazil

The Amazonian Craton comprises an Archean domain surrounded by four successively younger Proterozoic tectonic provinces. Within the Rio-Negro-Juruena province the Serra da Providencia Intrusive Suite （1.60 and 1.53 Ga） consists of A-type rapak.vi gran- ites, charnock.tes and mangerites genetically associated with diabase dik.s, gabbros and amphibolites. The original mafic melts were derived from a depleted mantle source （εN（T）＋2.5 to ＋2.8;εSr（T） -12.1）. Underplated mafic magma induced melting of a short-lived felsic crust, thus originating coeval felsic-mafic magmatism in a conti- nental intraplate setting. The Colorado Complex, assigned to the Rondonian-San Ignacio province, comprises 1.35-1.36 Ga intrusive bimodal magmatism represented by monzonite gneisses associated with amphibolite, gabbro and metadiabase dik.s intercalated with metasediments with detrital zircon that yield U- Pb ages of 1.35 to 1.42 Ga. Mafic samples dis- play juvenile signatures （εNd（T） 0.0 to ＋5.2; εSr（T） --5.0 to --30.7） and are less contaminated than the Serra da Previdencia and Nova Brasilandia ones. The generation of the basaltic magma is related to the subduction of an oceanic slab below the peridotite wedge （intraoceanic arc setting）. Fluids and/or small melts from the slab impregnated the mantle. The Nova Brasilandia Sequence （Sunsas-Aguapef province） comprises a metasedimentary sequence intruded by 1.10-1.02 Ga metadia- bases, gabbros, meta-gabbros, and amphibolites associated with granitic plutons （bimodal mag- matism）. The original tholeiitic magmas, derived from a depleted source （εNd（T） = ＋3.1 to ＋5.0）, in a proto-oceanic setting, underwent subsequent contamination by the host rock., as indicated by the isotopic and trace element data.

关键词：亚马逊河流域巴西 Sr-Nd特性地球化学

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用正电子湮灭技术探究Ce-基大块非晶合金的局域原子结构和晶化行为

用正电子湮灭技术探究Ce-基大块非晶合金的局域原子结构和晶化行为

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第十一届中国钢铁年会

作者：赵勇张博 sato k. 合肥工业大学材料科学与工程学院非晶态物质科学研究所东京学芸大学环境科学系

Ce-基大块非晶合金具有低玻璃化转变温度(T)、优异的玻璃形成能力、良好的塑性精密成型能力、强的过冷液体行为及高压下非晶多形态现象等特性。但目前对其原子结构几乎一无所知,严重限制了人们对于Ce-基非晶合金优异性能的进一步理解。...

Ce-基大块非晶合金具有低玻璃化转变温度(T)、优异的玻璃形成能力、良好的塑性精密成型能力、强的过冷液体行为及高压下非晶多形态现象等特性。但目前对其原子结构几乎一无所知,严重限制了人们对于Ce-基非晶合金优异性能的进一步理解。以Ce-Al-Cu,Ce-Al-Cu-Nb,Ce-Ga-Cu及Ce-Ga-Cu-Ni系大块非晶合金为研究对象,通过正电子湮灭能谱、等温长度膨胀仪、第一性原理计算等技术手段来表征Ce-基非晶合金的原子排列结构和反常的晶化行为。并发现Ce-Ga-Cu系非晶合金中异常的局域原子排列结构有别于其它系列的非晶合金:Ce-Ga-Cu非晶合金中发现两种不同的湮灭时间,分别对应着两种非晶态局域结构:以Ce原子为中心的密排和松散结构。其中前者的排列密度甚至高于面心立方的晶体Ce单质的堆积密度。分析发现这种异常的密堆积结构是Ga元素化学势激发Ce原子4f电子发生的去局域化效应所导致的。非晶合金是通过快速冷却其熔体避免形核结晶而制备出来的,在快速冷却过程中熔体中的自由体积来不及发生湮灭而保留在非晶合金中,从而使得非晶合金密度要小于同成分的晶体材料。换句话说,非晶合金晶化时其体积通常会发生收缩。而通过等温长度膨胀仪测量Ce-Ga-Cu大块非晶合金晶化过程中长度的变化,惊奇地发现其在晶化时长度表现出反常的膨胀,这种行为明显异于一般的非晶体系。正电子湮灭能谱测量结果发现晶化后晶体的结构十分松散,且上文中所提到的Ce-Ga-Cu非晶合金中异常的密度局域结构消失。正电子湮灭技术能够有效地探究金属玻璃的局域原子结构,得到的结构信息对理解玻璃化转变过程、提高玻璃形成能力、理解非晶多形态现象具有重要意义。

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鹿岛厂炉身上部炉衬整修技术延长高炉寿命

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宝钢情报 1989年第1期 16-19页

作者： sato,k. 徐新华

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日本结肠憩室病发展调查分析

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世界核心医学期刊文摘（胃肠病学分册） 2006年第6期2卷 16-17页

作者： Tak.no M. Yamada k. sato k. 廖新华 Coloproctology Center Takano Hospital Obiyama 4-2-88 Kumamoto City 862-0924 Japan Dr

PURPOSE: There are quite different characteristics between colonic diverticulosis in the West and that in Asia, including Japan. These differences include the predominance of a few diverticula over others, right-sidedness, young generation, male, and few complications. In Japan, colonic diverticulosis started increasing in the 1970s. This study was performed to obtain exact evidence of diverticular development in contemporary Japanese by observing changes in diverticula in the same individuals examined over a period of ten or more years. METHODS: This study included 82 subjects (56 (68 percent)males and 26 (32 percent) females) who underwent barium enema examinations repeatedly for more than ten years from 1982 to 2000. The diverticula were categorized according to their location in the colon: right, left, or bilateral. They were also categorized by whether they appeared individually, were scattered with two to nine diverticula, or were numerous with ten or more diverticula. RESULTS: At the beginning of observation, the most frequent location was the right side (55; 67 percent), followed by bilateral (20; 24 percent) and the left side (7; 9 percent). Ten or more years later, the number on the right side had decreased to 39 (48 percent). The number of bilateral diverticula had increased to 38 (46 percent), and the number on the left had barely changed, to 5 (6 percent). The number of diverticula increased from 253 to 604 (239 percent) in the right and from 380 to 929 (244 percent) in the bilateral. The initially very small number in the left increased from 9 to 48 (533 percent). The data show mark.d increases in the right and bilateral diverticula, and also the spread from the right side to the left side. CONCLUSION: In contemporary Japanese, although the right predominated initially, diverticulosis showed a strong tendency to increase and spread from the right to the bilateral. The number of bilateral diverticula also tended to increase. The left did not change much

关键词：结肠憩室病日本亚洲国家钡剂灌肠结肠定位数据显示右侧双侧

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Factors hindering the degradation of pharmaceuticals from human urine in an iron-activated persulfate system

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Journal of Environmental Sciences 2024年第1期135卷 130-148页

作者： Yiruiwen Xie Dao Guan Yangfan Deng Yugo sato Yu Luo Guanghao Chen Department of Civil and Environmental Engineering Water Technology LabHong Kong Branch of Chinese National Engineering Research Center for Control&Treatment of Heavy Metal PollutionThe Hong Kong University of Science&TechnologyHong Kong 999077China

This study investigated the degradation of clofibric acid(CFA),bezafibrate(BZF),and sulfamethoxazole(SMX)in synthetic human urine using a novel mesoporous iron powderactivated persulfate system(mFe-PS system),and identified the factors limiting their degradation in synthetic human urine.A k.netic model was established to expose the radical production in various reaction conditions,and experiments were conducted to verify the modeling *** the phosphate-containing mFe-PS system,the 120 min removal efficiency of CFA decreased from 95.1%to 76.6%as the phosphate concentration increased from 0.32 to 6.45 mmol/L,but recovered to 90.5%when phosphate concentration increased to 16.10 mmol/***,the increased concentration of phosphate from 0.32 to 16.10mmol/L reduced the BZF degradation efficacy from 91.5%to 79.0%,whereas SMX removal improved from 37.3%to 62.9%.The m Fe-PS system containing(bi)carbonate,from 4.20 to166.70 mmol/L,reduced CFA and BZF removal efficiencies from 100%to 76.8%and 80.4%,respectively,and SMX from 83.5%to 56.7%within a 120-min reaction *** addition,alk.line conditions(pH≥8.0)inhibited CFA and BZF degradations,while nonacidic pH(pH≥7.0)remark.bly inhibited SMX *** of the k.netic model indicated the formation of phosphate(H_(2)PO_(4)^(·)/HPO_(4)^(·-))and/or carbonate radicals(CO_(3)^(·-))could limit pharmaceutical *** transformation products(TPs)of the pharmaceuticals revealed more incompletely oxidized TPs occurred in the phosphate-and(bi)carbonate-containing m Fe-PS systems,and indicated that H_(2)PO_(4)^(·)/HPO_(4)^(·-)mainly degraded pharmaceuticals via a benzene ring-opening reaction while CO_(3)^(·-)preferentially oxidized pharmaceuticals via a hydroxylation reaction.

关键词： Pharmaceutical degradation Human urine Iron-activated persulfate system Phosphate radicals Carbonate radicals Transformation products

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New aspects of a small GTPase RAB35 in brain development and function

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Neural Regeneration Research 2025年第7期20卷 1971-1980页

作者： Ik.k. Maejima k.n sato Laboratory of Molecular Traffic Institute for Molecular and Cellular RegulationGunma UniversityMaebashiJapan

In euk.ryotic cells,organelles in the secretory,lysosomal,and endocytic pathways actively exchange biological materials with each other through intracellular membrane traffick.ng,which is the process of transporting the cargo of proteins,lipids,and other molecules to appropriate compartments via transport vesicles or *** processes are strictly regulated by various small GTPases such as the RAS-lik. in rat brain(RAB)protein family,which is the largest subfamily of the RAS *** of membrane traffick.ng affects tissue homeostasis and leads to a wide range of diseases,including neurological disorders and neurodegenerative ***,it is important to understand the physiological and pathological roles of RAB proteins in brain ***35,a member of the RAB family,is an evolutionarily conserved protein in metazoans.A wide range of studies using cultured mammalian cells and model organisms have revealed that RAB35 mediates various processes such as cytok.nesis,endocytic recycling,actin bundling,and cell ***35 is also involved in neurite outgrowth and turnover of synaptic *** generated brain-specific Rab35 k.ock.ut mice to study the physiological roles of RAB35 in brain development and *** mice exhibited defects in anxiety-related behaviors and spatial ***,RAB35 is required for the precise positioning of pyramidal neurons during hippocampal development,and thereby for normal hippocampal *** contrast,layer formation in the cerebral cortex occurred superficially,even in the absence of RAB35,suggesting a predominant role for RAB35 in hippocampal development rather than in cerebral cortex *** studies have suggested an association between RAB35 and neurodegenerative diseases,including Park.nson's disease and Alzheimer's *** this review,we provide an overview of the current understanding of subcellular functions of *** also provide insights into the phys

关键词： endocytosis endosomes hippocampal development neurodegenerative diseases RAB35

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Wild Gibbon Optimization Algorithm

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Computers, Materials & Continua 2024年第7期80卷 1203-1233页

作者： Jia Guo JinWang k. Yan Qiank.n Zuo Ruiheng Li Zhou He Dong Wang Yuji sato Hubei k.y Laboratory of Digital Finance Innovation Hubei University of EconomicsWuhan430205China School of Information Engineering Hubei University of EconomicsWuhan430205China China Construction Third Engineering Bureau Installation Engineering Co. Ltd.Wuhan430074China Hubei Internet Finance Information Engineering Technology Research Center Hubei University of EconomicsWuhan430205China College of Informatics Huazhong Agricultural UniversityWuhan430070China Faculty of Computer and Information Sciences Hosei UniversityTokyo184-8584Japan

Complex optimization problems hold broad significance across numerous fields and ***,as the dimensionality of such problems increases,issues lik. the curse of dimensionality and local optima trapping also *** address these challenges,this paper proposes a novel Wild Gibbon Optimization Algorithm(WGOA)based on an analysis of wild gibbon population *** two strategies:community search and community *** community search strategy facilitates information exchange between two gibbon families,generating multiple candidate solutions to enhance algorithm ***,the community competition strategy reselects leaders for the population after each iteration,thus enhancing algorithm *** assess the algorithm’s performance,CEC2017 and CEC2022 are chosen as test *** the CEC2017 test suite,WGOA secures first place in 10 *** the CEC2022 benchmark.functions,WGOA obtained the first rank.in 5 *** ultimate experimental findings demonstrate that theWildGibbonOptimization Algorithm outperforms others in tested *** underscores the strong robustness and stability of the gibbonalgorithm in tack.ing complex single-objective optimization problems.

关键词： Complex optimization wild gibbon optimization algorithm community search community competition

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Porphyrin/Fullerene Porous Molecular Cocrystal Featuring a Robust One-Dimensional Channel

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Precision Chemistry 2024年第9期2卷 480-487页

作者： Nobuhiro sato Ryojun Toyoda Tetsu sato Zi Lang Goo Shinya Tak.ishi k.k. Chida Tak.haru Yoshii Hirotomo Nishihara k.nihisa Sugimoto Ryota Sak.moto Department of Chemistry Graduate School of ScienceTohoku UniversitySendai 980-8578Japan Department of Chemistry Kindai UniversityOsaka 577-8502Japan Institute of Multidisciplinary Research for Advanced Materials Tohoku UniversitySendaiMiyagi 980-8577Japan Institute of Multidisciplinary Research for Advanced Materials and Advanced Institute for Materials Research(WPI-AIMR) Tohoku UniversitySendaiMiyagi 980-8577Japan Division for the Establishment of Frontier Sciences of Organization for Advanced Studies Tohoku UniversitySendai 980-8577Japan

Microporous molecular crystals are promising materials because of their designable porosity as well as their resistance to chemical and other ***,we developed microporous molecular cocrystals by tak.ng advantage of the specific interactions between porphyrins and fullerene ***-crystal X-ray diffraction analysis revealed that one nick.l(II)porphyrin interacts with two fullerene molecules to form a two-dimensional honeycomb network.with an eclipsed stack.ng mode,providing onedimensional void *** the pores were activated by heat treatment or mechanical grinding,the prepared cocrystal can incorporate gas and solvent molecules reversibly while maintaining its ***,it retained its single-crystallinity in the presence of water,acid−base,or high *** findings in this study expand the availability of molecular crystals based on intermolecular interactions as porous materials,which are expected to work.under conditions that have not been applicable to other molecule-based porous materials.

关键词： Microporous molecular crystal intermolecular interaction gas adsorption chemical stability high-pressure resistance

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Inertial mixing of acoustically levitated droplets for time-lapse protein crystallography

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Droplet 2024年第3期3卷 91-101页

作者： Soichiro Tsujino Yohei sato Shichao Jia Michal W.k.pa Sofia Trampari Tak.shi Tomizak. Division of Biology and Chemistry Paul Scherrer InstitutVilligenSwitzerland Swiss Nanoscience Institute University of BaselBaselSwitzerland Division Scientific Computing Theory and DataPaul Scherrer InstitutVilligenSwitzerland Biozentrum University of BaselBaselSwitzerland Photon Science Division Paul Scherrer InstitutVilligenSwitzerland

Varying the chemical consistency of acoustically levitated droplets opens up an in situ study of chemical and biochemical reactions in small ***,the opti-mization of the mixing time and the minimization of the positional instability induced by solution dispensing are necessary for practical applications such as the study of the transient state of macromolecules crystallography during the ligand binding *** this purpose,we study the inertial mixing in a configuration compatible with the room-temperature crystallography using the acoustic levitation diffractometer,therein solution drops ejected at high velocity collide and coalesce with droplets dis-pensed on acoustically levitated and rotating polymer thin-film sample *** the proposed method,we are able to achieve the mixing time of∼0.1 s for sub-micro and a few microliter *** observed short mixing time is ascribed to the rapid penetration of the solution into the droplets and confirmed by a computational fluid dynamic *** demonstrated accelerated solution mixing is tested in a pilot time-lapse protein crystallography experiment using the acoustic levitation *** results indicate the detection of transient ligand binding state within 2 s after the solution dispensing,suggesting the feasibility of the proposed method for studying slow biochemical processes.

关键词： mixing droplets transient

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Manipulating guest-responsive spin transition to achieve switchable fluorescence in a Hofmann-type framework

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Science China Chemistry 2024年第10期67卷 3339-3346页

作者： Xue-Ru Wu Shu-Qi Wu Zhi-k.n Liu Ming-Xing Chen Jun Tao Osamu sato Hui-Zhong k.u Engineering Research Center of Advanced Rare Earth Materials(Ministry of Education) Department of ChemistryTsinghua UniversityBeijing 100084China Institute for Materials Chemistry and Engineering&IRCCS Kyushu University744 MotookaNishi-kuFukuoka 819-0395Japan k.y Laboratory of Cluster Science of Ministry of Education School of Chemistry and Chemical EngineeringLiangxiang CampusBeijing Institute of TechnologyBeijing 102488China Analytical Instrumentation Center College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China

The change of fluorescence emission manipulated by spin state transition attracts considerable attention owing to its potential applications in magneto-optical switching ***,we report two two-dimensional(2D)Hofmann-type spin crossover(SCO)metal-organic framework.(MOFs)[Fe^(Ⅱ)(PNI)_(2){Ag^(Ⅰ)(CN)_(2)}_(2)]·CHCl_(3)(3Ag·CHCl_(3))and[FeⅡ(PNI)_(2){AuⅠ(CN)_(2)}_(2)]·CHCl_(3)(3Au·CHCl_(3))based on the fluorescent ligand N-(4-pyridylmethyl)-1,8-naphthalimide(PNI).Both complexes exhibit interesting SCO behaviors switched by guest solvent molecules,namely three-step transitions for the solvated complexes and complete onestep hysteretic SCO for the desolvated ones,verified by temperature-dependent magnetic susceptibility measurements,Mossbauer spectra,structural analyses,and differential scanning calorimetry ***,temperature-dependent fluorescence spectra exhibit double peak.(monomer and excimer emission)with both emission peak. change consistent with the change in SCO properties during the solvent molecule *** this study,we integrated guest-responsive SCO behavior into MOFs to manipulate the multistability of spin state and fluorescence switching,providing a rational strategy for the development of stimuli-responsive multifunctional materials.

关键词： spin crossover fluorescence multifunctional materials metal-organic framework. Hofmann-type

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