铂族
- 网络platinum-group;PGM
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结果表明,PVP可以影响铂族双金属纳米颗粒表层金属原子的组成,从而对双金属颗粒的催化性能产生很大影响。
PVP that have carbonyl groups could influence the surface composition of the platinum-group bimetallic nanoclusters and thereby their catalytic properties .
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采用电子探针分析(EPMA),对缅甸铂族金属砂矿中的矿物种类进行了研究。
A mineralogical investigation of platinum-group metal placers from Burma was made by electron probe microanalysis ( EPMA ) .
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富Co铁锰结壳铂族元素与铼-锇同位素组成及其意义
PGE and Re-Os isotope compositions and their significances of Co-rich ferromanganese crusts
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基于GIS的攀西地区铂族元素成矿地质条件初步分析
Analysis of Ore-forming Geological Conditions of Panzhihua-Xichang Area Platinum Group Element Based on GIS Study
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计算了活化分析中的铂族元素干扰核反应,校正了Au对Pt的二级干扰;
Interference from nuclear reactions on PGE analysis were studied .
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普通Os法可以用于铂族元素矿物定年和成矿物源区的讨论。
The common Os dating method can be used to date osmium minerals , and discuss the source of ore-forming materials .
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GIS支持下的攀西地区铂族元素(PGE)成矿地质条件分析与成矿预测
Analyse of Ore-forming Geological Condition and Ore-forming Prediction of Panxi Area Platinum Group Element ( PGE ) Base on GIS
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因此,以Pt、Pd作为直接指示元素,进行地球化学勘查,可以发现这种类型的铂族矿床。
Consequently , the hidden PGE deposit could be discovered by means of geochemical exploration with Pt and Pd as direct pathfinder elements .
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铂族新矿物&峨眉矿OsAs2的初步研究
A preliminary study on the new mineral of platinum group & omeiite osas_2
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东太平洋CC区多金属结核铂族元素(PGE)地球化学及其意义
Platinum group elements ( PGE ) geochemistry of polymetallic nodules in CC zone , east Pacific Ocean
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陕西南部地区铂族金属(PGE)矿床找矿方向
Prospecting direction of platium group elements ore deposit in South Shangxi province , china
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硫酸和高氯酸对TBP萃取铂族金属的影响
The effects of sulfuric and perchloric acid on extracting platinum metals by TBP
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ICP-MS测定环境样品中痕量铂族元素中干扰消除方法研究
Elimination of Interference in Determination of Trace Platinum Group Elements in Environmental Samples by ICP-MS
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用MIBK萃取铂族金属离子与硫氰酸根络合物
Extraction of Thiocyanate Complexes of Platinum Group Metals Ions by MIBK
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富Co铁锰结壳不仅异常富集铂族元素,而且铂族元素及其它亲铁元素的配分与陨石特征非常相似。
Cobalt rich ferromanganese crusts are significantly rich in platinum group elements , and the partition of platinum group elements in cobalt rich ferromanganese crusts is very similar to that of meteorite .
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核废料中裂变产生的铂族金属(FPs)的开发、应用和发展
Exploitation , Application and Development of Fission-Generated Platinum Precious Metals ( FPs ) in Nuclear Waste
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Pt作为一种重要的铂族元素一直吸引着人们的广泛兴趣,并被广泛用作催化剂。
As one of the noble metals , palladium has also attracted great interests because of its extraordinary properties . It can be widely used as the primary catalyst .
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铂族元素含量接近世界其他地区的苦橄岩,具有Pt/Pd<1和贫Os、Ir的特征。
The platinum-group element contents are close to those of picrite in other parts of the world , with Pt / Pd < 1 and low contents of Os and Ir .
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钛阳极也称DSA,是以金属钛为基体在其表面涂覆以铂族元素氧化物的一种电极材料。
Titanium anode called DSA , is a kind of electrode material with metallic titanium as substrate which is coated with platinum group element oxide on the surface .
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上海市道路灰尘中铂族元素(PGEs)富集特征
Enrichment features of platinum group elements in road dust of Shanghai
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豆荚状铬铁矿的TiO2含量较低,铂族元素(PGE)的分布模式显示特征的负斜率。
In contrast to stratiform chromites , podiform chromitites commonly have lower TiO 2 concentration , and their chondrite-normalized platinum-group element ( PGE ) patterns show negative slope .
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与镁铁-超镁铁质岩密切相关的铜镍硫化物矿床是铜、镍、铂族元素(PGE)资源的重要矿床类型。
Cu-Ni sulphide deposit related to mafic-ultramafic rocks is the main type of copper , nickel , platinum group elements ( PGE ) deposits .
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铂族元素(Os,Ir,Pt,Ru,Rh,Pd)具有强亲铁性和强亲铜性,为一组地球化学性质相近的相容元素。
The platinum group elements ( Os , Ir , Pt , Ru , Rh , and Pd ) are highly siderophile and chalcophile elements , which are compatible elements and show similar geochemical behaviours .
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对中国和世界上这三条界线的研究表明,它们具有下列相似特征:许多生物门类大量绝灭、铂族元素的正异常、稳定同位素(δ~(13)C)的突然变化等。
Studies of these boundaries in China and over the world strongly suggest that they have similar features : mass extinction of many taxa of lifeforms , positive anomalies of platinum group metals , and abrupt changes of stable isotopes (δ ~ ( 13 ) C ), etc.
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以往的分析方法(如常规的ICP-MS和中子活化分析方法),对含10-9~10-12级低含量铂族元素的岩石样品分析精度一般较差(>15%~100%)。
Previous analytical methods such as conventional ICP MS and INAA usually give low analytical precision of > 15 to 100 % for sub ppb to ppt level rock samples .
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结合有关铂族矿床以及同源玄武岩地球化学特征的认识,通过对水系沉积物Pt,Pd综合异常的筛选,初步优选出铂族元素找矿远景区10个。
Based on geochemical characteristics of Platinum group element deposits and basalts derived from the same origin , the authors screened Pt-Pd synthesis anomalies in stream sediments , and picked out 10 favourable prospecting region of looking for PGE deposits .
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富钴结壳铂族元素超细标准物质的研制脉冲镀Ni-Co合金镀层内应力及钴含量的研究
Preparation and Study of Two Seamount Co-rich Crust PGEs Ultra-fine Reference Materials : MCPt-1 and MCPt-2 Internal Stress and Co Content of Pulse Electrodeposited Ni-Co Alloy Coatings
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建立了适用于小样品(≤1g)中铂族元素分离富集的微型镍锍试金流程。
The procedure of micro fire assay with nickel sulphide was developed for the determination of platinum-group elements ( PGEs ) in small samples (≤ 1 g ) .
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该标准物质推荐的最小用样量为40mg(对大部分元素),对铂族元素,最小用样量为20g。
The ( minimum ) intake of 40 mg for most elements , and that of 20 g for platinum group elements are ( recommended ) for use .
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遍布全球的K/T界线粘土层不仅存在着铱的丰度异常,其它铂族元素的含量也异常高,并且基本上保持着类似与地外物质中的丰度分布模式。
In the K / T boundary layers at all parts of the world , not only was there tremendous iridium anomaly , but the contents of other platinum group elements were enriched multiply as well . Additionally , the distribution patterns of PGEs were essentially consistent with extraterrestrial matter .