ree [ri:]
- ree的基本解释
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v.
筛(豆等)
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The presence of REE tetrad effects in apatites and whole rocks of S-type granites has been reported by Sha and Chappell (1999) and Zhao et al.(1999), respectively. The REE tetrad effect in minerals, such as apatite, spessartite, beryl, alkali feldspar and spodumene, from all zones of Altay No. 3 pegmatite has been found remarkable, and the fractionations among isovalent incompatible elements in these minerals are also significant. This paper puts forward that the REE tetrad effect is one of the basic features of peraluminous melts and the origin of REE tetrad effect might be probably related to some processes prior to the formation of pegmatite magma. The immiscibile liquid separation between silicate melt and hydrosaline melt may be responsible for it.
由于阿尔泰3号伟晶岩脉各带磷灰石以及与其共生的石榴石、绿柱石、碱性长石、锂辉石矿物均存在明显的稀土"四重效应"以及相同电价、相似离子半径的不相容元素间存在显著的分异,并结合最近赵振华等(1999)和Sha and Chappell(1999)报道S型花岗岩全岩和单矿物(磷灰石、独居石、长石、黄玉等)均存在稀土"四重效应"这一现象,本文研究提出,稀土"四重效应"是富挥发分过铝质岩浆体系的一个基本特征,其机制既不可能由含稀土的副矿物早期结晶引起残余熔体相中REE含量变化的结果,也不能定性地归因于流体相与熔体相相互作用过程中稀土元素在流体/熔体之间分异的结果,而很可能与伟晶岩岩浆形成之前某些过程密切相关,S型花岗岩岩浆在液相线以上存在硅酸盐熔体与高盐熔体的不混溶液相分离有可能是过铝质岩浆体系产生稀土"四重效应"的主要原因。
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In Branch C area, the heavy REE enriched shale normalized patterns of DREE, resemble a characteristic of REE in the weathering profiles, meanwhile, the fractionation of REE during the weathering process and the complexation of the REE with organic matters, also contribute to the patterns.
3支流C区溶解态稀土元素的页岩标准化分布模式为重稀土富集型,主要继承了风化壳中稀土元素的分布特征,同时风化过程中轻重稀土元素之间的分异、水体中稀土元素与草酸形成的有机络合也起到一定的作用。
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61Ppm, REE distribution patterns of apatite standarded by NASA are classified into two types: The one is concave,"hat-shaped" REE pattern which is slightly enriched in intermediate REE and has a weak or even wanting Ce anomaly. To which, the sandy phosphorite of Jile is representative; the rest REE pattern is shown by more or less complete curve, although distinct Ce negative anomaly or weak Ce positive anomaly is shown up well. The stromatolitic apatite is the representative of this type.
其稀土元素北美页岩标准化配分型式主要分为两类:一类为中稀土略显富集的帽状形态的稀土元素配分型式,微弱的铈负异常或无铈异常,以极乐矿段砂屑磷块岩样品最为典型;另一类为轻稀土、中稀土和重稀土自然分异的三段弧形折线衔接而成的稀土元素配分型式,铈负异常较明显或微弱的铈正异常,以叠层石柱体磷灰石最典型。
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REE Reject:拒收
ACC Accept 允收 | REE Reject 拒收 | CR Critical 极严重的
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REE:稀土元素
赵军. 确定侵蚀细沟土壤临界抗剪应力的REE示踪方法. 土壤学报,2004(1)28-34. [9]雷廷武,唐泽军,稀土元素(REE)示踪土壤侵蚀动态过程的降雨模拟试验研究. 农业工程学报,2006(3):32-35
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REE:制冷機電
他买了西贡商兴(STB)、制冷机电(REE)两只股票. 这是五年来,刘铭第二次进入越南股市. 但刘铭坦诚不懂什么市盈率之类的专业知识,他投资主要靠直觉. 越南的快速发展离不开电线电缆,而炎热的气候同样离不开制冷空调. 2003年,
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REE:筛
redye 重染 | ree 筛 | reecho 再反响
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REE:杀线酯
三唑酮Triadimefon179 | 杀线酯REE200180 | 山梨酸Sorbic acid180
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