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1.Sm-Nd Isotope Dating and Geological Implications for the Mesoproterozoic Mamianshan Group in Fujian Province
福建马面山Sm-Nd同位素年龄及其地质意义收藏指正
2.Methods:Female pregnant CBA/J mice in experimental group received an intraperitoneal (i.p) injection of 100μg of anti-mouse CD86 mAb in 200μl of PBS at d 4.5 of gestation,and the irrelevant-isotope matched rat IgG2b was administrated in control group with the same dosage and at same time.
方法:实验组于妊娠d 4.5腹腔注射大鼠抗小鼠CD86单抗,对照组注射大鼠同型IgG2b,而正常组不作任何处理。收藏指正
3.Nd-Pb Isotope Geochemical Characteristics and Discussion on the Source of the Cretaceous Quantou Group Clastic Sedimentary Rocks in the Songliao Basin
松辽盆地白垩系泉头组碎屑沉积岩Nd、Pb同位素组成及成岩物质来源初步探讨收藏指正
4.A Archaeozoic granulite with an isotope age(Sm-Nd isochoron) of 3450 Ma,was found firstly in Proterozoic Dakendaban Group in eastern north margin of Qaidam Basin.
在柴达木盆地北缘东段,首次从古元古代达肯大坂岩中发现太古宙麻粒岩,并取得3450Ma Sm-Nd等时线同位素年龄。收藏指正
5.In this paper,the authors indroduced in detail the characteristics of the isotope constitutions of the gold-bearing quartz veins,the metamorphics of the Archaean Taihua Group and relative vein rocks in the Xiaoqinling gold field,and discussed the sulfur source in veins.
本文系统地介绍了小秦岭金矿田内含金石英脉,太古界太华变质岩和有关脉岩的硫同位素特征,并对矿脉中硫的来源作了探讨。收藏指正
6.By means of fuzzy cluster analysis on trace element geochemical ratios between Chencai Group in west Zhejiang, Sinian System and metamorphic rocks in Jiangxi, coupled with the Pb-Nd isotope geochemical features of amphibolites, it is identified that the central Jiangxi metamorphic belt closely corresponds to the Chencai Group and belongs to Cathaysian block.
采用微量元素地球化学比值模糊聚类分析方法对浙西陈蔡、震旦系及赣中变质岩和震旦系地层进行对比,结合斜长角闪岩Pb-Nd同位素地球化学特征研究,确认赣中变质岩系与陈蔡相当,从而为赣中变质岩归属于华夏地块变质底提供了重要佐证。收藏指正
7.a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium.
一种软质的银色金属元素,稀土属,没有稳定的同位素,作为铀的裂变产物以放射性状态被发现。收藏指正
8.The evidence of major and trace elements (including REE) as well as Sm Nd isotope of the rocks shows that there existed an early or earlier than Palaeoproterozic crust in western Hainan, and that the Baoban Group metasedimentary rocks partly originated from antiquity crust materials, and partly from new born crust with more mantle volcanic materials or was related with the largescale orogenic event and the tectonic magmatic activity following the addition of mantle materials.
对主元素、微量元素(含稀土元素)及Sm-Nd同位素的综合研究表明,海南岛存在古元古代或更早的古老底,抱板变质沉积岩一部分来源于成熟度较低的古老地壳物质,另一部分来源于含地幔火山物质较多的初生地壳,或与研究区大规模造山运动、构造-岩浆活动所伴生的地幔物质加入有关。收藏指正
9.a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime.
稀土族的一种软质、银色的金属元素,同位素能发出X光射线用于小型便携式X光照射仪,存在于独居石和磷钇矿。收藏指正
10.The Taihua greenstone belt, with a length of 700km, consisting chiefly of a series of volcanic-sedimentary rocks of late Archaean Taihua group with an isotope age of 2600m. y. , is located on the south-western margin of the north China platform.
太华绿岩带位于华北地台西南缘,长约700公里,由晚太古代太华火山—沉积岩系组成,其同位素年龄约26亿年,已变质到铁铝榴石角闪岩相。收藏指正
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