火焰原子吸收光谱法间接测定人发中的碘

建立了在 Ｍ Ｉ Ｂ Ｋ Ａｇ Ｉ萃取体系中用火焰原子吸收法测定与碘定量反应的银,从而间接测定碘含量的快速分析方法。利用碘（ Ｉ－ ）在弱碱性介质中与银（ Ａｇ＋ ）生成 Ａｇ Ｉ,将 Ａｇ Ｉ萃取到有机相甲基异丁基甲酮（ Ｍ Ｉ Ｂ Ｋ）中,用火焰原子吸收测定有机相中银的吸收信号,从而得到相应碘的吸收值,间接求得人发中的碘。     

在线萃取－火焰原子吸收测定地质样品中的痕量金

利用流动注射在线萃取技术，以ＭＩＢＫ为萃取剂，用火焰原子吸收分析方法测定地质样品中的痕量金，取得了满意的效果。该法精密度好，无污染，操作简便，测定迅速，且样品不需分离。方法检出限Ａｕ为０．７８×１０－９，精密度为２．３０％。     

在线萃取—火焰原子吸收测定地质样品中的痕量金

利用流动注射在线萃取技术，以ＭＩＢＫ为萃取剂，用火焰原子吸收分析方法测定地质样品中的痕量金，取得了满意的效果。该法精密度好，无污染，操作简便，测定迅速，且样品不需分离。方法检出限Ａｕ为０．７８×１０＾－９，精密度为２．３０％。     

A WORKING HYPOTHESIS IN THE SECOND-ROUND STUDY ON ULTRAHIGH-PRESSURE METAMORPHISM IN THE DABIE-SULU REGION

ＡＷＯＲＫＩＮＧＨＹＰＯＴＨＥＳＩＳＩＮＴＨＥＳＥＣＯＮＤ－ＲＯＵＮＤＳＵＤＹＯＮＵＬＴＲＡＨＩＧＨ－ＰＲＥＳＳＵＲＥＭＥＴＡＭＯＲＰＨＩＳＭＩＮＴＨＥＤＡＢＩＥ－ＳＵＬＵＲＥＧＩＯＮTXＡＷＯＲＫＩＮＧＨＹＰＯＴＨＥＳＩＳＩＮＴＨＥＳＥＣＯＮＤＲＯ...     

JA96－866型ICAP光电直读光谱仪的智能系统设计

设计了Ｊａｒｒｅｌｌ－Ａｓｂ９６－８６６型电感耦合氩等离子炬（ＩＣＡＰ）光电直读光谱仪与ＩＢＭＰＣ２８６微型计算机的接口适配电路和相应的汇编支持程序，并用ＢｏｒｌａｎｄＣ＋＋２．０面向对象的程序设计语言开发了用户软件，实现了该光谱仪由ＰＤＰ－８Ａ到ＩＢＭＰＣ２８６的计算机换型改造，提高了仪器的智能化水平。     

碳酸盐岩石中痕量金分析方法的研究

研究了碳酸盐岩石中痕量金的分析方法，提出以适量的ＨＣｌ处理样品，使绝大分碳酸盐岩石分解，然后加入少量活性炭低附可能转入溶液中的Ａｕ，过滤除去Ｃａ＾２＋、Ｍｇ＾２＋等。少量残渣活性炭经灼烧灰化后，用ＨＣｌ－ＮＯ３－ＨＦ－ＨＣｌＯ４溶解，在１ｍｏｌ／ＬＨＣｌ溶液中，用甲基异丁基酮萃取Ａｕ，在日立１８０－８０原子吸收光谱仪上，采用平台在石墨炉原子吸收法测定。方法检出限０．２ｎｇ／ｇＲＳＤ〈３３％。     

二苯硫脲－甲基异丁酮泡塑富集液珠萃取比色法测定化探样品中的金银

在１０％ＨＣＩ介质中，采用二苯硫脲（ＤＰＴＵ）－甲基异丁酮（ＭＩＢＫ）泡沫塑料富集，以金试剂液珠萃取比色法测定了化探样品中的Ａｕ和Ａｇ。方法的检出限：Ａｕ０．５×１０￣－９；Ａｓ５×１０￣－９（１０ｇ称样）。利用此方法制备了“野外快速分析箱”，可在野外简陋条件下进行现场测定。     

JA96—866型ICAP光电直读光谱仪的智能系统设计

设计了Ｊａｒｒｅｌｌ－Ａｓｈ９６－８６６型电感耦合氩等离子炬光电直读光谱仪与ＩＢＭ ＰＣ ２８６微型计算机的接口适配电路和相应的汇编支持程序，并用Ｂｏｒｌａｎｄ Ｃ＋＋２．０面向对象的程序设计语言开发了用户软件，实现了该光谱仪由ＰＤＰ－８Ａ到ＩＢＭ ＰＣ２８６的计算机换型改造，提高了仪器的智能化水平。     

沉积型（贡溪式）重晶石矿床模式

沉积型（贡溪式）重晶石矿床模式车勤建（湖南省地质研究所，长沙４１０００７）ＡＭＥＴＡＬＬＯＧＥＮＩＣＭＯＤＥＬＦＯＲＳＥＤＩＭＥＮＴＡＲＹＧＯＮＧＸＩ－ＴＹＰＥＢＡＲＩＴＥＤＥＰＯＳＩＴＳ￥ＣＨＥＱｉｎｊｉａｎ（ＨｕｎａｎＩｎｓｔｉｔｕｔｅｏｆＧｅｏ...     

TIDAL FLAT STORM DEPOSITS OF MIDDLE CAMBRIAN IN SHIMEN DISTRICT,HUNAN PROVINCE

ＴＩＤＡＬＦＬＡＴＳＴＯＲＭＤＥＰＯＳＩＴＳＯＦＭＩＤＤＬＥＣＡＭＢＲＩＮＩＮＳＨＩＭＥＮＤＩＳＴＲＩＣＴ，ＨＵＮＡＮＰＲＯＶＩＮＣＥTXＴＩＤＡＬＦＬＡＴＳＴＯＲＭＤＥＰＯＳＩＴＳＯＦＭＩＤＤＬＥＣＡＭＢＲＩＡＮＩＮＳＨＩＭＥＮＤＩＳＴＲＩＣＴ，ＨＵ...     

Définition d'une limite multicritère ; stratigraphie du passage Campanien–Maastrichtien du site géologique de Tercis (Landes,SW France)Definition of a multi-criteria boundary; stratigraphy of the Campanian–Maastrichtian interval of the geological site at Tercis (Landes,SW France)

Lithostratigraphy, physicochemical stratigraphy, biostratigraphy, and geochronology of the 77–70 Ma old series bracketing the Campanian–Maastrichtian boundary have been investigated by 70 experts. For the first time, direct relationships between macro- and microfossils have been established, as well as direct and indirect relationships between chemo-physical and biostratigraphical tools. A combination of criteria for selecting the boundary level, duration estimates, uncertainties on durations and on the location of biohorizons have been considered; new chronostratigraphic units are proposed. The geological site at Tercis is accepted by the Commission on Stratigraphy as the international reference for the stratigraphy of the studied interval. To cite this article: G.S. Odin, C. R. Geoscience 334 (2002) 409–414.     

Quaternary stresses revealed by calcite twinning inversion: insights from observations in the Savonnières underground quarry (eastern France)

Calcite samples were extracted both from the rock matrix and the superficial coating of a karstified fault plane of an underground quarry, located in the eastern border of the Paris basin. The karstification is dated as Quaternary. Analysis of mechanical calcite twinning reveals that only the calcite matrix has also undergone a compression trending WNW that can be attributed to the Mio-Pliocene alpine collision. Both coating and matrix have undergone a strike-slip regime with σ₁ roughly trending north–south, that could correspond to the regional present-day state of stress, a strike-slip compression rather trending NNW, modified by local phenomena. To cite this article: M. Rocher et al., C. R. Geoscience 335 (2003).     

NONMETALS DEPOSITS

正20141520 Bo Ying(Key Laboratory of Metallogeny and Mineral Assessment,MLR,Beijing 100037,China);Liu Chenglin Saline Spring Hydrochemical Characteristics and Indicators for Potassium Exploration in Southwestern and Northern Tarim Basin,Xinjiang(Acta Geoscientica Sinica,ISSN1006-3021,CN11-3474/P,34(5),2013,p.594-602,5 illus.,3 tables,28 refs.)     

MATHEMATICAL GEOLOGY

正20141243Chen Ge(Hangzhou Research Institute of Petroleum Geology,PetroChina,Hangzhou 310023,China);Si Chunsong Study on Sedimentary Numerical Simulation Method of Fan Delta Sand Body(Journal of Geology,     

PROSPECTING EXPLORATION

正20142599Chen Sanming(Guangxi Key Laboratory of Concealed Deposits Exploration,Guilin University of Technology,Guilin541004,China);He Yuzhou Block Model and Reserves Estimation of Panzhihua Iron Deposit Based on 3D Geological Modeling(Journal of Guilin University of Technology,ISSN1674-9057,CN45-1375/N,33(4),2013,p.610-615,9illus.,1table,15refs.)     

STRUCTURAL GEOLOGY

正20140594 Bai Daoyuan(Hunan Institute of Geology Survey,Changsha 410016,China);Zhong Xiang Faults in the Jingzhou Basin and Their Tectonic Settings(Geotectonica et Metallogenia,ISSN1001-1552,CN44-1595/P,37(2),2013,p.173-183,6illus.,59refs.)Key words:basin evolution,tectonic setting,South China In the Upper Paleozoic and Jurassic se-     

STRUCTURAL GEOLOGY

正20141912Cao Hui(State Key Laboratory for Continental Tectonics and Dynamics,Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China)Gravitational Collapse and Folding during Orogenesis:A Comparative Study of FIA Trends and Fold Axial Plane Traces(Geology in China,ISSN1000-3657,CN11-1167/P,40(6),2013,p.1818-1828,9illus.,35refs.,with     

PALEOZOOLOGY

正20141609 Chen Guiying(College of Earth Sciences,Guilin University of Technology,Guilin 541004,China);Han Nairen New Materials of Stylophora from the Upper Cambrian of the Jingxi Area,Guangxi,South China(Acta Palaeontologica Sinica,ISSN0001-6616,CN32-1188Q,52(3),2013,p.288-293,2 illus.,12 refs.)Key words:Stylophora,Guangxi     

GEOPHYSICS

正20140634 Cao Lingmin(Key Laboratory of Marine Geology and Environment,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China);Xu Yi Finite Difference Tomography of the Crustal Velocity Structure in Tengchong,Yunnan Province(Chinese Journal of Geophysics,ISSN0001-5733,CN11-2074/P,56(4),2013,p.1159-1167,6illus.,35refs.,with English abstract)