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112篇 您的检索式:作者名="GUHA G"
    题名 作者 年代 出处 被引量
1造山型金矿的地质特征和成矿流体显示文摘造山型金矿是全球重要的金矿类型。造山型金矿包含三种类型:产于绿岩带的含金石英碳酸盐脉、产于浊积岩中的含金石英脉和产于条带状铁矿(BIF)中的含金石英脉。造山型金矿的形成受板块构造控制,处于压缩或者转换挤压的造山构造环境。造山型金矿中的绿岩带金矿主要受剪切带、转换断层控制,浊积岩型金矿受褶皱和层间走滑断层控制,而赋存于BIF中的金矿则受剪切带和断层所控制。在这些金矿床中发现了4类流体包裹体:H_2O-CO_2型、富CO_2型、气液包裹体和含Na Cl子矿物的包裹体。所有年代的造山型金矿成矿流体的成分均为低盐度的水溶液和富CO_2的流体,温度在200~400℃范围内。稳定同位素研究表明造山型金矿的成矿流体源自变质流体和岩浆流体。金在成矿流体中的络合物应为Au HS^-或Au H_2S。虽然成矿流体中有丰富的CO_2,但Au在CO_2流体中的溶解度很低,有丰富的CO_2时Au在H_2S中的溶解度增大。流体包裹体研究表明,Au的成矿流体是Na Cl-H_2O-CO_2体系的流体,并在成矿过程中发生了相分离,即Na Cl-H_2O-CO_2流体分成两个流体:H_2O-Na Cl和CO_2-H_2O,Au的沉淀是在这种相分离过程中发生的。卢焕章 池国祥 朱笑青 Guha J Archambault G 王中刚 2018大地构造与成矿学2018,42,2:36
2Refractive-index measurements of zinc germanium diphosphide at 300 and 77K by use of a modified Michelson interferometer显示文摘GILLEN G D GUHA S 2004Appl Opt2004,43,:1
3Use of Michelson and Fabry-Perot interferometry for independent determination of the refractive index and physical thickness of wafers显示文摘GILLEN G D GUHA S 2005Appl Opt2005,44,3:1
4Evaluation of antioxidant activities of bergenia ciliata rhizome显示文摘RAJKUMAR V GUHA G KUMAR R 2010Rec Nat Prod2010,4,1:1
5Cod glycopeptide with picomolar affinity to galectin-3 suppresses T-cell apoptosis and prostate cancer metastasis显示文摘Guha P Kaptan E Bandyopadhyaya G 2013Proc Natl Acad Sci USA2013,110,3:1
6Naturally occurring thallium: A hidden geoenvironmental health hazard? 显示文摘Xiao T F Guha J Boyle D Liu C Q Zheng B S Wilson G C Rouleau A Chen J A 2004Environ Int2004,30,4:1
7Nerve growth factor stimulates MMP-2 expression and activity and increases invasion by human pancreatic cancer cells显示文摘OkadaY Eibl G Guha S 0,,04:1
8Fatigue life improvement of AISI304L cruciform welded joints by cryogenic treatment显示文摘Johan Singh P Guha B Achar D R G 2003Engineering Failure Analysis2003,10,1:1
9Pre -procedural elevated white blood cell count and neutrophil - lymphocyte (N/L) ratio are predictors of ventricular arrhythmias during percutaneous coro- nary intervention 显示文摘Chatterjee S Chandra P Guha G 2011Cardiovasc Hematol Disord Drug Targets2011,11,2:1
10Surfactant-enhanced biodegradation of a PAH in soil slurry reactors显示文摘Brown D G Guha S Jaffa P R 1999Bioremediation J1999,,3:1
11A plasticitybased model of material removal in chemical - mechanical polishing (CMP)显示文摘FU G H CHANDRA A GUHA S 2001IEEE Transactions on Semiconductor Manufacturing2001,14,4:1
12Angiogenesis in nervous system disorders显示文摘Zadeh G Guha A 0,,06:1
13Nerve growth factor stinmlates MMP-2 expression and activity and increases invasion by human pancreatic cancer cells 显示文摘Okada Y Eibl G Guha S Duffy JP Reber HA Hines OJ 2004Clin Expe Meta2004,21,4:1
14Nerve growth factor stimulates MMP -2 expression and activity and increases invasion by human pancreatic cancer cells显示文摘Okada Y Eibl G Guha S 2004Clin Exp Metastasis2004,21,4:1
15Specific down-regulation of connective tissue growth factor attenuates progression of nephropathy in mouse models of type 1 and type 2 diabetes显示文摘Guha M Xu Z G Tung D 2007FASEB J2007,21,12:1
16A correlation between the evolution of mineralizing fluids and the geomechanical devel- opment of a shear zone as illustrated by the Henderson 2 Mine, Quebec显示文摘Guha J Archambault G Leroy J 1983Economic Geology1983,78,:1
17Polyphenolic constituents of methanolic and aqueous extracts of Vitex negundo render protection to Hep3B cells against oxidative cytotoxicity显示文摘GUHA G RAJKUMAR V ASHOK R 2010Food Chem Toxicol2010,48,89:1
18Evaluation of ontioxidant aetivities of bergenia ciliata rhizome显示文摘Rajkumar V Guha G Kurnar R A 2010Records Natural Products2010,4,1:1
19显示文摘Fu G Chandra A Guha S 2001IEEE Transactions on Semiconductor Manufacturing2001,14,4:1
20Biosorption of cadmium and nickel by functionalized husk of Lathyrus sativus显示文摘PANDA G C DAS S K GUHA A K 2008Collids and Surfaces2008,62,2:1
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