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147篇 您的检索式:作者名="Kamber"
    题名 作者 年代 出处 被引量
1LA-ICPMS原位微区面扫描分析技术及其矿床学应用实例显示文摘LA-ICPMS原位微区面扫描技术的发展对解析具有包裹体、环带结构的矿物或受多期岩浆/热液活动影响形成的溶蚀再结晶的矿物具有重要的地质意义。黄铁矿作为最普遍的硫化物种类之一,可形成于各种类型矿床中,其微量元素组份记录了矿床形成过程的重要信息。通过LA-ICPMS原位微区面扫描技术获得的黄铁矿晶体内部结构组份信息可用来限定成矿流体的性质、厘定成矿流体的演化规律、示踪成矿物质来源、约束变形变质作用过程中元素的活化和迁移行为,以及约束矿床成因等。本次研究选取了内蒙古二连盆地中巴彦乌拉大型铀矿床、辽宁青城子地区榛子沟铅锌矿、加拿大Pardo砂金矿中的黄铁矿作为研究对象,运用原位微区LA-ICPMS元素面扫描技术揭示其内部组份及结构信息,探索该技术在不同类型矿床中的应用价值。巴彦乌拉大型砂岩型铀矿床中的黄铁矿的内部组构信息显示成矿体系的p H和Eh对硫酸盐还原细菌活动均有影响,并控制与之相关的铀矿化;且成矿体系的p H和Eh受到外界不断供给的地下水的影响,呈振荡性变化。辽宁榛子沟铅锌矿中的黄铁矿的内部组构信息显示矿化过程受到了至少两期流体活动的叠加影响,包括早期同沉积时期的流体以及晚期与燕山期岩浆活动有关的热液流体。加拿大Pardo金矿中黄铁矿的内部组构信息显示矿床中半自形-自形的黄铁矿实际包含碎屑成因的磨圆状核部及后期热液活动形成的增生边;金主要呈浸染状分布在碎屑成因的黄铁矿核部,后期热液活动对金矿化影响微弱。周伶俐 曾庆栋 孙国涛 段晓侠 BONNETTI Christophe RIEGLER Thomas LONG Darrel GF KAMBER Balz 2019岩石学报2019,35,7:13
2He/icobacter py/ori infection in hemodialysis patients: Susceptibility to amoxicillin and clarithromycin显示文摘AIM: To evaluate susceptibility of Helicobacter pylori to amoxicillin and clarithromycin in end-stage renal disease (ESRD) patients and non-uremic controls.METHODS: The subjects with dyspeptic complaints were 33 ESRD patients and 46 age- and sex-matched nonuremic controls who exhibited H pylori on antral biopsy specimens. The two groups were age and sex matched.The H pylori strains' pattern of susceptibility to amoxicillin and clarithromycin was investigated with the agar dilution technique.RESULTS: None of the H pylori strains from either group showed resistance to amoxicillin with the agar dilution method. Twelve (36.4%) of the ESRD group strains and 7 (15.2%) of the control group strains showed resistance to clarithromycin, and this difference was statistically significant (P<0.05).CONCLUSION: Resistance to amoxicillin does not appear to be an important problem in H pylori-infected ESRD and non-uremic patients in our region. In contrast, the rates of resistance to clarithromycin are high, particularly in the ESRD population.Selim Aydemir Sedat Boyacioglu Gurden Gur Muge Demirbilek Fusun Kamber Can Murat Korkmaz Ugur Yilmaz 2005World Journal of Gastroenterology2005,11,6:5
3Rocks from the mantle transition zone: Majorite Bearing xenoliths, Malaita, Southwest Pacific显示文摘Collerson K D Hapugoda S Kamber B S el al 2000Science2000,288,:1
4Rare earth elements in Holocene reefal microbialites: A new shallow seawater proxy 显示文摘Webb G E Kamber B S 2000Geochimica et Cosmochimica Acta2000,64,:1
5Direct quantification of rare earth element concentrationsin natural waters by ICP-MS 显示文摘Lawrence M G Greig A Collerson K D Kamber B S 2006Applied Geochemistry2006,21,:1
6On the over abundance of light rareearth elements in terrestrial zircons and its implication for Earth’searliest magmatic differentiation显示文摘Whitehouse M J Kamber B S 2002Earth Planetary Science Letter2002,204,34:1
7Studies of immunoglobulin G to newborn camel calves(Camelus dromedaries)显示文摘 Farah Z Rusch R 2001Dariry Res2001,68,:1
8Stromatolite reef from the Early Archaean era of Australia显示文摘Allwood A C Walter M R Kamber B S 2006Nature2006,441,:1
9Evolution of the Con- tinents and the Atmosphere Inferred from Th - U - Nb Systematics of the Depleted Mantle显示文摘Collerson K D Kamber B S 1999Science1999,283,:1
10A trace element study of siderite–jasper banded iron formation in the 3.45<ce:hsp sp='0.25'/>Ga Warrawoona Group, Pilbara Craton—Formation from hydrothermal fluids and shallow seawater显示文摘Robert Bolhar Martin J. Van Kranendonk Balz S. Kamber 2005Precambrian Research2005,,1:1
11High-precision anal- ysis on annual variations of heavy metals, lead isotopes and rare earth elements in mangrove tree rings by inductively coupled plasma mass spectrometry显示文摘Yu K F Kamber B S Lawrence M G 2007Nuclear Instruments and Meth- ods in Physics Research Section B : Beam Interactions with Ma- terials and Atoms2007,255,2:1
12Pitfalls and new approaches in granulite chronometry: An example from the Limpopo Belt,Zimbabwe显示文摘Kamber B S Frei R Gibb A J 1998Precambrian Research1998,91,:1
13Data Mining Concepts and Techniques显示文摘JIAWEI HAN MICHELINE KAMBER 2000Italy:Morgan Kaufmarm Publishers2000,,:1
14Combined chemical separation of Lu, Hf, Sm, Nd,and REEs from a single rock digest: Precise and accurate isotope determinations of Lu-Hf and Sm-Nd using multicollector-ICPMS 显示文摘Kleinhanns I C Kreissig K Kamber B S Meisel T Nagler T E Kramers J D 2002Anal Chem2002,74,1:1
15Influence of molding conditions on the shrinkage and roundness of injection molded parts 显示文摘KURT M KAYNAK Y KAMBER O S 2010International Journal of Ad- vanced Manufacturing Technology2010,46,5:1
16The evolving nature of terrestrial crust from the Hadean through the Archaean into the Proterozoic显示文摘Kamber B S 2015Pre- cambrian Research2015,258,:1
17A trace element study of siderite–jasper banded iron formation in the 3.45Ga Warrawoona Group, Pilbara Craton—Formation from hydrothermal fluids and shallow seawater显示文摘Robert Bolhar Martin J. Van Kranendonk Balz S. Kamber 2005Precambrian Research2005,,1:1
18Kinetics on non-ideal hyperbranched polymerizations显示文摘SCHMALJOHANN D KAMBER H BARRATT J 2003Macromolecules2003,36,:1
19Optimum band selection for supervised classification of multispectral data 显示文摘MAUSEL P W KAMBER W J LEE J K 1990Photogrammetric Engineering & Remote Sensing1990,56,1:1
20Peraluminous, potassium-rich granitoids in the Semail Ophiolite显示文摘 Kamber B S 1994Contribution to Mineralogy and Petrology1994,118,:1
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